NO This is Ultimate 0.2.2-dev-e7f90c1-m [2023-02-13 03:39:41,011 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-13 03:39:41,013 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-13 03:39:41,027 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-13 03:39:41,028 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-13 03:39:41,028 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-13 03:39:41,029 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-13 03:39:41,030 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-13 03:39:41,031 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-13 03:39:41,031 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-13 03:39:41,032 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-13 03:39:41,032 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-13 03:39:41,032 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-13 03:39:41,033 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-13 03:39:41,033 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-13 03:39:41,034 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-13 03:39:41,034 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-13 03:39:41,035 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-13 03:39:41,036 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-13 03:39:41,037 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-13 03:39:41,037 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2023-02-13 03:39:41,039 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-13 03:39:41,039 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-13 03:39:41,040 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-13 03:39:41,040 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-13 03:39:41,042 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-13 03:39:41,042 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-13 03:39:41,042 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-13 03:39:41,042 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-13 03:39:41,043 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-13 03:39:41,043 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-13 03:39:41,043 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-13 03:39:41,044 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-13 03:39:41,044 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-13 03:39:41,044 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-13 03:39:41,045 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-13 03:39:41,045 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-13 03:39:41,045 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-13 03:39:41,045 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-13 03:39:41,045 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-13 03:39:41,046 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-13 03:39:41,046 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-13 03:39:41,047 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/Ultimate/./../termcomp2017.epf [2023-02-13 03:39:41,057 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-13 03:39:41,057 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-13 03:39:41,058 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-13 03:39:41,058 INFO L138 SettingsManager]: * Rewrite not-equals=true [2023-02-13 03:39:41,058 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-13 03:39:41,058 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2023-02-13 03:39:41,059 INFO L138 SettingsManager]: * Use SBE=true [2023-02-13 03:39:41,059 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-02-13 03:39:41,059 INFO L138 SettingsManager]: * Use old map elimination=false [2023-02-13 03:39:41,059 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2023-02-13 03:39:41,059 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2023-02-13 03:39:41,059 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2023-02-13 03:39:41,059 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-02-13 03:39:41,059 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2023-02-13 03:39:41,059 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:39:41,060 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-13 03:39:41,060 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-13 03:39:41,060 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-13 03:39:41,060 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-13 03:39:41,060 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-02-13 03:39:41,060 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2023-02-13 03:39:41,060 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-13 03:39:41,060 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-13 03:39:41,060 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2023-02-13 03:39:41,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2023-02-13 03:39:41,061 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-13 03:39:41,061 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-13 03:39:41,061 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-13 03:39:41,061 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/export/starexec/sandbox/solver/Ultimate/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-02-13 03:39:41,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-13 03:39:41,213 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-13 03:39:41,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-13 03:39:41,215 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-13 03:39:41,216 INFO L275 PluginConnector]: CDTParser initialized [2023-02-13 03:39:41,217 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c [2023-02-13 03:39:41,258 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/25cadef1163d45ba86fe29be84e0e001/FLAG972984485 [2023-02-13 03:39:41,610 INFO L306 CDTParser]: Found 1 translation units. [2023-02-13 03:39:41,610 INFO L160 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c [2023-02-13 03:39:41,614 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/25cadef1163d45ba86fe29be84e0e001/FLAG972984485 [2023-02-13 03:39:42,063 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/25cadef1163d45ba86fe29be84e0e001 [2023-02-13 03:39:42,068 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-13 03:39:42,069 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2023-02-13 03:39:42,071 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-13 03:39:42,072 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-13 03:39:42,076 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-13 03:39:42,076 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.02 03:39:42" (1/1) ... [2023-02-13 03:39:42,077 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@101395c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:39:42, skipping insertion in model container [2023-02-13 03:39:42,077 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.02 03:39:42" (1/1) ... [2023-02-13 03:39:42,091 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-13 03:39:42,106 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-13 03:39:42,176 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-13 03:39:42,178 INFO L203 MainTranslator]: Completed pre-run [2023-02-13 03:39:42,184 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-13 03:39:42,190 INFO L208 MainTranslator]: Completed translation [2023-02-13 03:39:42,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:39:42 WrapperNode [2023-02-13 03:39:42,191 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-13 03:39:42,191 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-13 03:39:42,191 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-13 03:39:42,191 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-13 03:39:42,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:39:42" (1/1) ... [2023-02-13 03:39:42,201 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:39:42" (1/1) ... [2023-02-13 03:39:42,211 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 13 [2023-02-13 03:39:42,211 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-13 03:39:42,212 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-13 03:39:42,212 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-13 03:39:42,212 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-13 03:39:42,216 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:39:42" (1/1) ... [2023-02-13 03:39:42,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:39:42" (1/1) ... [2023-02-13 03:39:42,216 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:39:42" (1/1) ... [2023-02-13 03:39:42,217 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:39:42" (1/1) ... [2023-02-13 03:39:42,217 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:39:42" (1/1) ... [2023-02-13 03:39:42,219 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:39:42" (1/1) ... [2023-02-13 03:39:42,219 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:39:42" (1/1) ... [2023-02-13 03:39:42,220 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-13 03:39:42,220 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-13 03:39:42,220 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-13 03:39:42,220 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-13 03:39:42,221 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:39:42" (1/1) ... [2023-02-13 03:39:42,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2023-02-13 03:39:42,232 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:42,242 INFO L229 MonitoredProcess]: Starting monitored process 1 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:42,244 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (1)] Waiting until timeout for monitored process [2023-02-13 03:39:42,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-13 03:39:42,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-13 03:39:42,313 INFO L234 CfgBuilder]: Building ICFG [2023-02-13 03:39:42,314 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-13 03:39:42,355 INFO L275 CfgBuilder]: Performing block encoding [2023-02-13 03:39:42,361 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-13 03:39:42,361 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-13 03:39:42,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.02 03:39:42 BoogieIcfgContainer [2023-02-13 03:39:42,363 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-13 03:39:42,364 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2023-02-13 03:39:42,364 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2023-02-13 03:39:42,366 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2023-02-13 03:39:42,367 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.02 03:39:42" (1/1) ... [2023-02-13 03:39:42,376 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 10 edges [2023-02-13 03:39:42,376 INFO L258 BlockEncoder]: Using Remove infeasible edges [2023-02-13 03:39:42,377 INFO L263 BlockEncoder]: Using Maximize final states [2023-02-13 03:39:42,377 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2023-02-13 03:39:42,377 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2023-02-13 03:39:42,378 INFO L296 BlockEncoder]: Using Remove sink states [2023-02-13 03:39:42,378 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2023-02-13 03:39:42,378 INFO L179 BlockEncoder]: Using Rewrite not-equals [2023-02-13 03:39:42,384 INFO L185 BlockEncoder]: Using Use SBE [2023-02-13 03:39:42,387 INFO L200 BlockEncoder]: SBE split 0 edges [2023-02-13 03:39:42,389 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2023-02-13 03:39:42,390 INFO L71 MaximizeFinalStates]: 0 new accepting states [2023-02-13 03:39:42,395 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2023-02-13 03:39:42,396 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states [2023-02-13 03:39:42,396 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2023-02-13 03:39:42,397 INFO L71 MaximizeFinalStates]: 0 new accepting states [2023-02-13 03:39:42,397 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2023-02-13 03:39:42,397 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2023-02-13 03:39:42,397 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2023-02-13 03:39:42,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 13.02 03:39:42 BasicIcfg [2023-02-13 03:39:42,398 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2023-02-13 03:39:42,398 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-13 03:39:42,398 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-13 03:39:42,400 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-13 03:39:42,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.02 03:39:42" (1/4) ... [2023-02-13 03:39:42,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c680f9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.02 03:39:42, skipping insertion in model container [2023-02-13 03:39:42,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:39:42" (2/4) ... [2023-02-13 03:39:42,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c680f9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.02 03:39:42, skipping insertion in model container [2023-02-13 03:39:42,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.02 03:39:42" (3/4) ... [2023-02-13 03:39:42,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c680f9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.02 03:39:42, skipping insertion in model container [2023-02-13 03:39:42,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 13.02 03:39:42" (4/4) ... [2023-02-13 03:39:42,402 INFO L111 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2023-02-13 03:39:42,411 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2023-02-13 03:39:42,411 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-02-13 03:39:42,411 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c680f9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.02 03:39:42, skipping insertion in model container [2023-02-13 03:39:42,411 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-13 03:39:42,412 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-02-13 03:39:42,412 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2023-02-13 03:39:42,414 INFO L275 PluginConnector]: BuchiAutomizer initialized [2023-02-13 03:39:42,414 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-13 03:39:42,414 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.02 03:39:42" (1/4) ... [2023-02-13 03:39:42,415 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7a43fe2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.02 03:39:42, skipping insertion in model container [2023-02-13 03:39:42,415 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-13 03:39:42,415 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:39:42" (2/4) ... [2023-02-13 03:39:42,415 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7a43fe2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.02 03:39:42, skipping insertion in model container [2023-02-13 03:39:42,415 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-13 03:39:42,415 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.02 03:39:42" (3/4) ... [2023-02-13 03:39:42,415 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7a43fe2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.02 03:39:42, skipping insertion in model container [2023-02-13 03:39:42,415 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-13 03:39:42,415 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 13.02 03:39:42" (4/4) ... [2023-02-13 03:39:42,416 INFO L322 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2023-02-13 03:39:42,442 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2023-02-13 03:39:42,443 INFO L302 stractBuchiCegarLoop]: Hoare is true [2023-02-13 03:39:42,443 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-02-13 03:39:42,443 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-02-13 03:39:42,443 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-02-13 03:39:42,443 INFO L306 stractBuchiCegarLoop]: Difference is false [2023-02-13 03:39:42,443 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-02-13 03:39:42,443 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-02-13 03:39:42,445 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:39:42,456 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-13 03:39:42,456 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-13 03:39:42,457 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-13 03:39:42,467 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2023-02-13 03:39:42,467 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-13 03:39:42,467 INFO L333 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-02-13 03:39:42,468 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:39:42,469 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-13 03:39:42,469 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-13 03:39:42,469 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-13 03:39:42,470 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2023-02-13 03:39:42,470 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-13 03:39:42,477 INFO L733 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [37] ULTIMATE.startENTRY-->L10-2: Formula: (= |v_ULTIMATE.start_main_~i~0#1_10| 0) InVars {} OutVars{ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_10|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_#res#1] 2#L10-2true [2023-02-13 03:39:42,477 INFO L735 eck$LassoCheckResult]: Loop: 2#L10-2true [27] L10-2-->L10: Formula: (< |v_ULTIMATE.start_main_~i~0#1_7| 100) InVars {ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_7|} OutVars{ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_7|} AuxVars[] AssignedVars[] 4#L10true [36] L10-->L10-2: Formula: (and (= 49 |v_ULTIMATE.start_main_~i~0#1_1|) (>= |v_ULTIMATE.start_main_~i~0#1_2| 50)) InVars {ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_2|} OutVars{ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0#1] 2#L10-2true [2023-02-13 03:39:42,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:39:42,485 INFO L85 PathProgramCache]: Analyzing trace with hash 68, now seen corresponding path program 1 times [2023-02-13 03:39:42,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:39:42,493 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195729950] [2023-02-13 03:39:42,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:39:42,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:39:42,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:39:42,538 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:39:42,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:39:42,549 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:39:42,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:39:42,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1834, now seen corresponding path program 1 times [2023-02-13 03:39:42,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:39:42,551 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161773764] [2023-02-13 03:39:42,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:39:42,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:39:42,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:39:42,555 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:39:42,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:39:42,557 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:39:42,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:39:42,558 INFO L85 PathProgramCache]: Analyzing trace with hash 66221, now seen corresponding path program 1 times [2023-02-13 03:39:42,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:39:42,558 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483656739] [2023-02-13 03:39:42,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:39:42,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:39:42,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:39:42,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-13 03:39:42,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-13 03:39:42,601 INFO L335 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483656739] [2023-02-13 03:39:42,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483656739] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-13 03:39:42,603 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-13 03:39:42,604 ERROR L191 FreeRefinementEngine]: {11#true} [13#(<= |ULTIMATE.start_main_~i~0#1| 0), 13#(<= |ULTIMATE.start_main_~i~0#1| 0)] {12#false} [2023-02-13 03:39:42,605 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-02-13 03:39:42,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521239944] [2023-02-13 03:39:42,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-13 03:39:42,642 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:39:42,642 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:39:42,642 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:39:42,642 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:39:42,642 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-13 03:39:42,642 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:39:42,643 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:39:42,643 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:39:42,643 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2023-02-13 03:39:42,643 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:39:42,643 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:39:42,650 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:39:42,657 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:39:42,659 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:39:42,699 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:39:42,700 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-13 03:39:42,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:39:42,701 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:42,703 INFO L229 MonitoredProcess]: Starting monitored process 2 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:42,704 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-02-13 03:39:42,705 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:39:42,705 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:39:42,718 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:39:42,718 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-13 03:39:42,737 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-02-13 03:39:42,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:39:42,737 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:42,738 INFO L229 MonitoredProcess]: Starting monitored process 3 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:42,739 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-02-13 03:39:42,740 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:39:42,740 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:39:42,751 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:39:42,751 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-13 03:39:42,777 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-02-13 03:39:42,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:39:42,778 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:42,779 INFO L229 MonitoredProcess]: Starting monitored process 4 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:42,780 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-02-13 03:39:42,781 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:39:42,781 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:39:42,826 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-02-13 03:39:42,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:39:42,827 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:42,828 INFO L229 MonitoredProcess]: Starting monitored process 5 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:42,831 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-02-13 03:39:42,832 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-13 03:39:42,832 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:39:42,851 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-13 03:39:42,882 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-02-13 03:39:42,883 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:39:42,883 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:39:42,883 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:39:42,883 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:39:42,884 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-13 03:39:42,884 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:39:42,884 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:39:42,885 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:39:42,885 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2023-02-13 03:39:42,885 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:39:42,885 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:39:42,888 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:39:42,894 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:39:42,896 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:39:42,927 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:39:42,929 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-13 03:39:42,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:39:42,930 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:42,931 INFO L229 MonitoredProcess]: Starting monitored process 6 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:42,935 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-02-13 03:39:42,936 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:39:42,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:39:42,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:39:42,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:39:42,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:39:42,943 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-13 03:39:42,943 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-13 03:39:42,953 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:39:42,969 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2023-02-13 03:39:42,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:39:42,970 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:42,970 INFO L229 MonitoredProcess]: Starting monitored process 7 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:42,972 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-02-13 03:39:42,972 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:39:42,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:39:42,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:39:42,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:39:42,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:39:42,979 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-13 03:39:42,979 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-13 03:39:42,984 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:39:43,001 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-02-13 03:39:43,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:39:43,002 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:43,003 INFO L229 MonitoredProcess]: Starting monitored process 8 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:43,016 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-02-13 03:39:43,017 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:39:43,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:39:43,021 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:39:43,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:39:43,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:39:43,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:39:43,023 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-13 03:39:43,023 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:39:43,026 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-13 03:39:43,028 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2023-02-13 03:39:43,029 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-02-13 03:39:43,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:39:43,030 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:43,030 INFO L229 MonitoredProcess]: Starting monitored process 9 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:43,036 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-13 03:39:43,037 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-13 03:39:43,037 INFO L513 LassoAnalysis]: Proved termination. [2023-02-13 03:39:43,037 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2023-02-13 03:39:43,042 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-02-13 03:39:43,053 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-02-13 03:39:43,056 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-13 03:39:43,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:39:43,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:39:43,074 WARN L261 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-13 03:39:43,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:39:43,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:39:43,079 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-13 03:39:43,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:39:43,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-13 03:39:43,099 INFO L100 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization [2023-02-13 03:39:43,101 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-02-13 03:39:43,103 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:39:43,119 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 7 states and 10 transitions. Complement of second has 4 states. [2023-02-13 03:39:43,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-13 03:39:43,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:39:43,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2023-02-13 03:39:43,126 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 1 letters. Loop has 2 letters. [2023-02-13 03:39:43,127 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:39:43,127 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 3 letters. Loop has 2 letters. [2023-02-13 03:39:43,127 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:39:43,127 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 1 letters. Loop has 4 letters. [2023-02-13 03:39:43,128 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:39:43,131 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 10 transitions. [2023-02-13 03:39:43,132 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-13 03:39:43,134 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 7 states and 10 transitions. [2023-02-13 03:39:43,135 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2023-02-13 03:39:43,135 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2023-02-13 03:39:43,135 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 10 transitions. [2023-02-13 03:39:43,135 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-13 03:39:43,135 INFO L220 hiAutomatonCegarLoop]: Abstraction has 7 states and 10 transitions. [2023-02-13 03:39:43,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 10 transitions. [2023-02-13 03:39:43,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2023-02-13 03:39:43,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:39:43,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2023-02-13 03:39:43,150 INFO L242 hiAutomatonCegarLoop]: Abstraction has 7 states and 10 transitions. [2023-02-13 03:39:43,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-13 03:39:43,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-13 03:39:43,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-13 03:39:43,152 INFO L87 Difference]: Start difference. First operand 7 states and 10 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:39:43,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-13 03:39:43,160 INFO L93 Difference]: Finished difference Result 6 states and 7 transitions. [2023-02-13 03:39:43,161 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 7 transitions. [2023-02-13 03:39:43,161 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-13 03:39:43,162 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 5 states and 6 transitions. [2023-02-13 03:39:43,162 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2023-02-13 03:39:43,162 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2023-02-13 03:39:43,162 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 6 transitions. [2023-02-13 03:39:43,163 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-02-13 03:39:43,163 INFO L220 hiAutomatonCegarLoop]: Abstraction has 5 states and 6 transitions. [2023-02-13 03:39:43,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states and 6 transitions. [2023-02-13 03:39:43,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2023-02-13 03:39:43,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:39:43,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 6 transitions. [2023-02-13 03:39:43,165 INFO L242 hiAutomatonCegarLoop]: Abstraction has 5 states and 6 transitions. [2023-02-13 03:39:43,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-13 03:39:43,167 INFO L426 stractBuchiCegarLoop]: Abstraction has 5 states and 6 transitions. [2023-02-13 03:39:43,167 INFO L333 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-02-13 03:39:43,167 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 6 transitions. [2023-02-13 03:39:43,168 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-13 03:39:43,168 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-13 03:39:43,168 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-13 03:39:43,168 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-02-13 03:39:43,169 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-13 03:39:43,169 INFO L733 eck$LassoCheckResult]: Stem: 56#ULTIMATE.startENTRY [37] ULTIMATE.startENTRY-->L10-2: Formula: (= |v_ULTIMATE.start_main_~i~0#1_10| 0) InVars {} OutVars{ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_10|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_#res#1] 57#L10-2 [27] L10-2-->L10: Formula: (< |v_ULTIMATE.start_main_~i~0#1_7| 100) InVars {ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_7|} OutVars{ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_7|} AuxVars[] AssignedVars[] 58#L10 [29] L10-->L10-2: Formula: (and (= 51 |v_ULTIMATE.start_main_~i~0#1_8|) (< |v_ULTIMATE.start_main_~i~0#1_9| 50)) InVars {ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_9|} OutVars{ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_8|} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0#1] 54#L10-2 [2023-02-13 03:39:43,169 INFO L735 eck$LassoCheckResult]: Loop: 54#L10-2 [27] L10-2-->L10: Formula: (< |v_ULTIMATE.start_main_~i~0#1_7| 100) InVars {ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_7|} OutVars{ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_7|} AuxVars[] AssignedVars[] 55#L10 [36] L10-->L10-2: Formula: (and (= 49 |v_ULTIMATE.start_main_~i~0#1_1|) (>= |v_ULTIMATE.start_main_~i~0#1_2| 50)) InVars {ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_2|} OutVars{ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0#1] 54#L10-2 [2023-02-13 03:39:43,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:39:43,170 INFO L85 PathProgramCache]: Analyzing trace with hash 66214, now seen corresponding path program 1 times [2023-02-13 03:39:43,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:39:43,170 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386250207] [2023-02-13 03:39:43,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:39:43,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:39:43,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:39:43,175 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:39:43,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:39:43,178 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:39:43,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:39:43,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1834, now seen corresponding path program 2 times [2023-02-13 03:39:43,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:39:43,179 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439323172] [2023-02-13 03:39:43,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:39:43,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:39:43,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:39:43,182 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:39:43,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:39:43,184 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:39:43,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:39:43,184 INFO L85 PathProgramCache]: Analyzing trace with hash 63632527, now seen corresponding path program 1 times [2023-02-13 03:39:43,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:39:43,184 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266199926] [2023-02-13 03:39:43,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:39:43,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:39:43,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:39:43,188 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:39:43,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:39:43,190 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:39:43,198 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:39:43,198 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:39:43,198 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:39:43,198 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:39:43,198 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-13 03:39:43,199 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:39:43,199 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:39:43,199 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:39:43,199 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2023-02-13 03:39:43,199 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:39:43,199 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:39:43,199 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:39:43,201 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:39:43,203 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:39:43,218 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:39:43,218 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-13 03:39:43,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:39:43,219 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:43,219 INFO L229 MonitoredProcess]: Starting monitored process 10 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:43,220 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-02-13 03:39:43,221 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:39:43,221 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:39:43,228 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:39:43,228 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-13 03:39:43,250 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-02-13 03:39:43,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:39:43,253 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:43,254 INFO L229 MonitoredProcess]: Starting monitored process 11 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:43,256 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-02-13 03:39:43,256 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:39:43,256 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:39:43,278 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2023-02-13 03:39:43,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:39:43,279 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:43,280 INFO L229 MonitoredProcess]: Starting monitored process 12 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:43,281 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-02-13 03:39:43,282 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-13 03:39:43,282 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:39:43,296 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-13 03:39:43,319 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2023-02-13 03:39:43,320 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:39:43,320 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:39:43,320 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:39:43,320 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:39:43,321 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-13 03:39:43,321 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:39:43,321 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:39:43,321 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:39:43,322 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2023-02-13 03:39:43,322 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:39:43,322 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:39:43,324 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:39:43,328 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:39:43,335 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:39:43,358 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:39:43,359 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-13 03:39:43,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:39:43,359 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:43,364 INFO L229 MonitoredProcess]: Starting monitored process 13 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:43,366 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-02-13 03:39:43,366 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:39:43,371 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:39:43,371 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:39:43,371 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:39:43,371 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:39:43,374 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-13 03:39:43,374 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-13 03:39:43,377 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:39:43,399 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2023-02-13 03:39:43,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:39:43,400 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:43,401 INFO L229 MonitoredProcess]: Starting monitored process 14 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:43,404 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-02-13 03:39:43,404 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:39:43,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:39:43,409 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:39:43,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:39:43,409 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:39:43,409 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:39:43,410 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-13 03:39:43,410 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:39:43,413 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-13 03:39:43,415 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-02-13 03:39:43,415 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-02-13 03:39:43,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:39:43,415 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:43,417 INFO L229 MonitoredProcess]: Starting monitored process 15 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:43,419 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-02-13 03:39:43,419 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-13 03:39:43,419 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-13 03:39:43,419 INFO L513 LassoAnalysis]: Proved termination. [2023-02-13 03:39:43,419 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2023-02-13 03:39:43,433 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2023-02-13 03:39:43,434 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-13 03:39:43,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:39:43,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:39:43,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-13 03:39:43,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:39:43,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:39:43,457 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-13 03:39:43,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:39:43,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-13 03:39:43,461 INFO L100 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization [2023-02-13 03:39:43,461 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-02-13 03:39:43,461 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 5 states and 6 transitions. cyclomatic complexity: 2 Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:39:43,473 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 5 states and 6 transitions. cyclomatic complexity: 2. Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 7 states and 9 transitions. Complement of second has 4 states. [2023-02-13 03:39:43,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-13 03:39:43,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:39:43,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2023-02-13 03:39:43,475 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 3 letters. Loop has 2 letters. [2023-02-13 03:39:43,475 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:39:43,475 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 2 letters. [2023-02-13 03:39:43,476 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:39:43,476 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 3 letters. Loop has 4 letters. [2023-02-13 03:39:43,476 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:39:43,477 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 9 transitions. [2023-02-13 03:39:43,477 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-02-13 03:39:43,478 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 7 states and 9 transitions. [2023-02-13 03:39:43,478 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2023-02-13 03:39:43,478 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2023-02-13 03:39:43,478 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 9 transitions. [2023-02-13 03:39:43,478 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-13 03:39:43,478 INFO L220 hiAutomatonCegarLoop]: Abstraction has 7 states and 9 transitions. [2023-02-13 03:39:43,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 9 transitions. [2023-02-13 03:39:43,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 6. [2023-02-13 03:39:43,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:39:43,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 8 transitions. [2023-02-13 03:39:43,480 INFO L242 hiAutomatonCegarLoop]: Abstraction has 6 states and 8 transitions. [2023-02-13 03:39:43,480 INFO L426 stractBuchiCegarLoop]: Abstraction has 6 states and 8 transitions. [2023-02-13 03:39:43,480 INFO L333 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-02-13 03:39:43,480 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 8 transitions. [2023-02-13 03:39:43,480 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-02-13 03:39:43,481 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-13 03:39:43,481 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-13 03:39:43,481 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-02-13 03:39:43,481 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-13 03:39:43,481 INFO L733 eck$LassoCheckResult]: Stem: 103#ULTIMATE.startENTRY [37] ULTIMATE.startENTRY-->L10-2: Formula: (= |v_ULTIMATE.start_main_~i~0#1_10| 0) InVars {} OutVars{ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_10|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_#res#1] 99#L10-2 [27] L10-2-->L10: Formula: (< |v_ULTIMATE.start_main_~i~0#1_7| 100) InVars {ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_7|} OutVars{ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_7|} AuxVars[] AssignedVars[] 100#L10 [2023-02-13 03:39:43,481 INFO L735 eck$LassoCheckResult]: Loop: 100#L10 [29] L10-->L10-2: Formula: (and (= 51 |v_ULTIMATE.start_main_~i~0#1_8|) (< |v_ULTIMATE.start_main_~i~0#1_9| 50)) InVars {ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_9|} OutVars{ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_8|} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0#1] 104#L10-2 [27] L10-2-->L10: Formula: (< |v_ULTIMATE.start_main_~i~0#1_7| 100) InVars {ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_7|} OutVars{ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_7|} AuxVars[] AssignedVars[] 100#L10 [2023-02-13 03:39:43,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:39:43,482 INFO L85 PathProgramCache]: Analyzing trace with hash 2135, now seen corresponding path program 1 times [2023-02-13 03:39:43,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:39:43,482 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686139458] [2023-02-13 03:39:43,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:39:43,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:39:43,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:39:43,487 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:39:43,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:39:43,489 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:39:43,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:39:43,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1887, now seen corresponding path program 1 times [2023-02-13 03:39:43,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:39:43,489 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109834580] [2023-02-13 03:39:43,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:39:43,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:39:43,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:39:43,492 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:39:43,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:39:43,494 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:39:43,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:39:43,494 INFO L85 PathProgramCache]: Analyzing trace with hash 2052661, now seen corresponding path program 2 times [2023-02-13 03:39:43,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:39:43,495 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710495028] [2023-02-13 03:39:43,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:39:43,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:39:43,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:39:43,498 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:39:43,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:39:43,499 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:39:43,516 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:39:43,516 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:39:43,516 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:39:43,516 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:39:43,517 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-13 03:39:43,517 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:39:43,517 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:39:43,517 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:39:43,517 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop [2023-02-13 03:39:43,517 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:39:43,517 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:39:43,517 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:39:43,519 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:39:43,523 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:39:43,546 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:39:43,546 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-13 03:39:43,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:39:43,546 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:43,547 INFO L229 MonitoredProcess]: Starting monitored process 16 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:43,549 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-02-13 03:39:43,550 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:39:43,550 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:39:43,566 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:39:43,567 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-13 03:39:43,600 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2023-02-13 03:39:43,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:39:43,601 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:43,603 INFO L229 MonitoredProcess]: Starting monitored process 17 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:43,604 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-02-13 03:39:43,605 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:39:43,605 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:39:43,644 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2023-02-13 03:39:43,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:39:43,644 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:43,646 INFO L229 MonitoredProcess]: Starting monitored process 18 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:43,648 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-02-13 03:39:43,648 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-13 03:39:43,648 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:39:43,701 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-13 03:39:43,703 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2023-02-13 03:39:43,703 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:39:43,703 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:39:43,703 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:39:43,704 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:39:43,704 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-13 03:39:43,704 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:39:43,704 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:39:43,704 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:39:43,704 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop [2023-02-13 03:39:43,704 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:39:43,704 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:39:43,704 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:39:43,708 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:39:43,714 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:39:43,749 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:39:43,749 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-13 03:39:43,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:39:43,750 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:43,752 INFO L229 MonitoredProcess]: Starting monitored process 19 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:43,759 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-02-13 03:39:43,760 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:39:43,769 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:39:43,770 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:39:43,770 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:39:43,770 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:39:43,774 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-13 03:39:43,775 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-13 03:39:43,782 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:39:43,818 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2023-02-13 03:39:43,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:39:43,819 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:43,819 INFO L229 MonitoredProcess]: Starting monitored process 20 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:43,821 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-02-13 03:39:43,821 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:39:43,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:39:43,831 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:39:43,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:39:43,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:39:43,831 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:39:43,832 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-13 03:39:43,832 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:39:43,834 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-13 03:39:43,837 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-02-13 03:39:43,837 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-02-13 03:39:43,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:39:43,838 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:43,840 INFO L229 MonitoredProcess]: Starting monitored process 21 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:43,842 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-02-13 03:39:43,842 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-13 03:39:43,842 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-13 03:39:43,843 INFO L513 LassoAnalysis]: Proved termination. [2023-02-13 03:39:43,843 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 50 Supporting invariants [] [2023-02-13 03:39:43,877 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2023-02-13 03:39:43,879 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-13 03:39:43,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:39:43,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:39:43,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-13 03:39:43,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:39:43,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:39:43,904 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-13 03:39:43,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:39:43,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-13 03:39:43,945 INFO L100 LoopCannibalizer]: 3 predicates before loop cannibalization 3 predicates after loop cannibalization [2023-02-13 03:39:43,945 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2023-02-13 03:39:43,945 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 6 states and 8 transitions. cyclomatic complexity: 3 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:39:43,984 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 6 states and 8 transitions. cyclomatic complexity: 3. Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 18 states and 22 transitions. Complement of second has 10 states. [2023-02-13 03:39:43,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 1 non-accepting loop states 2 accepting loop states [2023-02-13 03:39:43,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:39:43,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2023-02-13 03:39:43,987 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 2 letters. Loop has 2 letters. [2023-02-13 03:39:43,988 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:39:43,988 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 4 letters. Loop has 2 letters. [2023-02-13 03:39:43,989 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:39:43,989 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 2 letters. Loop has 4 letters. [2023-02-13 03:39:43,989 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:39:43,990 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 22 transitions. [2023-02-13 03:39:43,992 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-02-13 03:39:43,992 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 7 states and 8 transitions. [2023-02-13 03:39:43,992 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2023-02-13 03:39:43,993 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 [2023-02-13 03:39:43,993 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 8 transitions. [2023-02-13 03:39:43,993 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-13 03:39:43,993 INFO L220 hiAutomatonCegarLoop]: Abstraction has 7 states and 8 transitions. [2023-02-13 03:39:43,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 8 transitions. [2023-02-13 03:39:43,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 6. [2023-02-13 03:39:43,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:39:43,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2023-02-13 03:39:43,995 INFO L242 hiAutomatonCegarLoop]: Abstraction has 6 states and 7 transitions. [2023-02-13 03:39:43,995 INFO L426 stractBuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2023-02-13 03:39:43,995 INFO L333 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-02-13 03:39:43,995 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 7 transitions. [2023-02-13 03:39:43,996 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-02-13 03:39:43,996 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-13 03:39:43,996 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-13 03:39:43,997 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-02-13 03:39:43,997 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1] [2023-02-13 03:39:43,997 INFO L733 eck$LassoCheckResult]: Stem: 170#ULTIMATE.startENTRY [37] ULTIMATE.startENTRY-->L10-2: Formula: (= |v_ULTIMATE.start_main_~i~0#1_10| 0) InVars {} OutVars{ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_10|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_#res#1] 166#L10-2 [27] L10-2-->L10: Formula: (< |v_ULTIMATE.start_main_~i~0#1_7| 100) InVars {ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_7|} OutVars{ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_7|} AuxVars[] AssignedVars[] 167#L10 [2023-02-13 03:39:43,997 INFO L735 eck$LassoCheckResult]: Loop: 167#L10 [29] L10-->L10-2: Formula: (and (= 51 |v_ULTIMATE.start_main_~i~0#1_8|) (< |v_ULTIMATE.start_main_~i~0#1_9| 50)) InVars {ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_9|} OutVars{ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_8|} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0#1] 168#L10-2 [27] L10-2-->L10: Formula: (< |v_ULTIMATE.start_main_~i~0#1_7| 100) InVars {ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_7|} OutVars{ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_7|} AuxVars[] AssignedVars[] 169#L10 [36] L10-->L10-2: Formula: (and (= 49 |v_ULTIMATE.start_main_~i~0#1_1|) (>= |v_ULTIMATE.start_main_~i~0#1_2| 50)) InVars {ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_2|} OutVars{ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0#1] 171#L10-2 [27] L10-2-->L10: Formula: (< |v_ULTIMATE.start_main_~i~0#1_7| 100) InVars {ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_7|} OutVars{ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_7|} AuxVars[] AssignedVars[] 167#L10 [2023-02-13 03:39:43,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:39:43,998 INFO L85 PathProgramCache]: Analyzing trace with hash 2135, now seen corresponding path program 2 times [2023-02-13 03:39:43,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:39:43,998 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490056274] [2023-02-13 03:39:43,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:39:43,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:39:44,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:39:44,002 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:39:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:39:44,005 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:39:44,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:39:44,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1814550, now seen corresponding path program 1 times [2023-02-13 03:39:44,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:39:44,006 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725978814] [2023-02-13 03:39:44,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:39:44,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:39:44,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:39:44,010 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:39:44,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:39:44,012 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:39:44,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:39:44,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1972608364, now seen corresponding path program 2 times [2023-02-13 03:39:44,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:39:44,012 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675886238] [2023-02-13 03:39:44,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:39:44,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:39:44,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:39:44,016 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:39:44,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:39:44,018 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:39:44,041 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:39:44,041 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:39:44,041 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:39:44,041 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:39:44,041 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-13 03:39:44,042 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:39:44,042 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:39:44,042 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:39:44,042 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Lasso [2023-02-13 03:39:44,042 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:39:44,042 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:39:44,042 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:39:44,047 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:39:44,049 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:39:44,051 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:39:44,082 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:39:44,083 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-13 03:39:44,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:39:44,084 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:44,086 INFO L229 MonitoredProcess]: Starting monitored process 22 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:44,088 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-02-13 03:39:44,089 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:39:44,089 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:39:44,118 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-02-13 03:39:44,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:39:44,119 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:44,120 INFO L229 MonitoredProcess]: Starting monitored process 23 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:44,122 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-02-13 03:39:44,122 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-13 03:39:44,122 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:39:44,145 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-13 03:39:44,147 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2023-02-13 03:39:44,147 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:39:44,147 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:39:44,147 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:39:44,147 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:39:44,147 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-13 03:39:44,147 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:39:44,147 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:39:44,147 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:39:44,147 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Lasso [2023-02-13 03:39:44,147 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:39:44,147 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:39:44,148 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:39:44,154 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:39:44,155 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:39:44,158 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:39:44,195 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:39:44,196 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-13 03:39:44,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:39:44,196 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:44,197 INFO L229 MonitoredProcess]: Starting monitored process 24 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:44,199 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-02-13 03:39:44,199 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:39:44,206 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:39:44,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:39:44,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:39:44,207 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:39:44,211 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-13 03:39:44,211 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-13 03:39:44,215 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:39:44,247 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2023-02-13 03:39:44,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:39:44,248 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:44,248 INFO L229 MonitoredProcess]: Starting monitored process 25 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:44,250 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-02-13 03:39:44,250 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:39:44,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:39:44,259 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:39:44,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:39:44,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:39:44,260 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:39:44,260 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-13 03:39:44,260 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:39:44,262 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:39:44,306 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2023-02-13 03:39:44,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:39:44,307 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:44,308 INFO L229 MonitoredProcess]: Starting monitored process 26 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:44,310 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-02-13 03:39:44,311 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:39:44,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:39:44,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:39:44,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:39:44,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:39:44,324 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-13 03:39:44,324 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-13 03:39:44,329 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:39:44,355 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-02-13 03:39:44,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:39:44,355 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:44,357 INFO L229 MonitoredProcess]: Starting monitored process 27 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:44,359 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-02-13 03:39:44,359 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:39:44,368 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:39:44,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:39:44,369 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:39:44,369 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:39:44,372 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-13 03:39:44,373 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-13 03:39:44,376 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:39:44,412 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-02-13 03:39:44,412 INFO L490 LassoAnalysis]: Using template '2-nested'. [2023-02-13 03:39:44,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:39:44,413 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:44,414 INFO L229 MonitoredProcess]: Starting monitored process 28 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:44,416 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-02-13 03:39:44,417 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:39:44,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:39:44,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:39:44,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:39:44,428 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-13 03:39:44,433 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-02-13 03:39:44,434 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-02-13 03:39:44,443 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:39:44,482 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2023-02-13 03:39:44,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:39:44,483 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:44,484 INFO L229 MonitoredProcess]: Starting monitored process 29 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:44,486 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-02-13 03:39:44,486 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:39:44,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:39:44,491 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:39:44,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:39:44,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:39:44,491 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-13 03:39:44,492 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-02-13 03:39:44,493 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:39:44,495 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:39:44,531 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2023-02-13 03:39:44,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:39:44,532 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:44,533 INFO L229 MonitoredProcess]: Starting monitored process 30 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:44,535 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-02-13 03:39:44,535 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:39:44,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:39:44,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:39:44,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:39:44,541 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-13 03:39:44,545 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-02-13 03:39:44,545 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-02-13 03:39:44,553 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:39:44,583 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2023-02-13 03:39:44,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:39:44,584 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:44,585 INFO L229 MonitoredProcess]: Starting monitored process 31 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:44,587 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-02-13 03:39:44,588 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:39:44,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:39:44,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:39:44,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:39:44,598 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-13 03:39:44,601 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-02-13 03:39:44,602 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-02-13 03:39:44,609 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:39:44,644 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2023-02-13 03:39:44,645 INFO L490 LassoAnalysis]: Using template '3-nested'. [2023-02-13 03:39:44,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:39:44,645 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:44,662 INFO L229 MonitoredProcess]: Starting monitored process 32 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:44,664 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-02-13 03:39:44,664 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:39:44,672 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:39:44,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:39:44,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:39:44,673 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-13 03:39:44,682 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-02-13 03:39:44,682 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-02-13 03:39:44,687 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-02-13 03:39:44,692 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:39:44,706 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2023-02-13 03:39:44,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:39:44,707 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:44,708 INFO L229 MonitoredProcess]: Starting monitored process 33 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:44,712 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-02-13 03:39:44,712 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:39:44,716 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:39:44,717 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:39:44,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:39:44,717 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:39:44,717 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-13 03:39:44,718 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-02-13 03:39:44,718 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:39:44,720 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:39:44,733 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-02-13 03:39:44,734 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2023-02-13 03:39:44,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:39:44,735 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:44,735 INFO L229 MonitoredProcess]: Starting monitored process 34 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:44,737 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-02-13 03:39:44,739 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:39:44,743 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:39:44,743 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:39:44,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:39:44,743 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-13 03:39:44,745 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-02-13 03:39:44,745 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-02-13 03:39:44,749 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:39:44,770 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2023-02-13 03:39:44,772 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2023-02-13 03:39:44,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:39:44,772 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:44,772 INFO L229 MonitoredProcess]: Starting monitored process 35 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:44,773 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-02-13 03:39:44,774 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:39:44,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:39:44,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:39:44,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:39:44,778 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-13 03:39:44,779 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-02-13 03:39:44,779 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-02-13 03:39:44,784 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:39:44,804 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-02-13 03:39:44,804 INFO L490 LassoAnalysis]: Using template '4-nested'. [2023-02-13 03:39:44,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:39:44,805 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:44,806 INFO L229 MonitoredProcess]: Starting monitored process 36 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:44,807 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-02-13 03:39:44,807 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:39:44,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:39:44,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:39:44,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:39:44,815 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-02-13 03:39:44,819 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2023-02-13 03:39:44,819 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2023-02-13 03:39:44,834 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:39:44,864 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2023-02-13 03:39:44,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:39:44,865 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:44,866 INFO L229 MonitoredProcess]: Starting monitored process 37 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:44,868 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-02-13 03:39:44,868 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:39:44,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:39:44,878 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:39:44,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:39:44,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:39:44,880 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-02-13 03:39:44,881 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-02-13 03:39:44,881 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:39:44,884 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:39:44,919 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2023-02-13 03:39:44,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:39:44,920 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:44,921 INFO L229 MonitoredProcess]: Starting monitored process 38 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:44,923 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-02-13 03:39:44,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:39:44,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:39:44,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:39:44,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:39:44,929 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-02-13 03:39:44,932 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2023-02-13 03:39:44,932 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2023-02-13 03:39:44,943 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:39:44,978 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2023-02-13 03:39:44,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:39:44,979 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:44,980 INFO L229 MonitoredProcess]: Starting monitored process 39 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:44,982 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-02-13 03:39:44,982 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:39:44,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:39:44,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:39:44,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:39:44,988 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-02-13 03:39:44,991 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2023-02-13 03:39:44,991 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2023-02-13 03:39:45,005 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:39:45,040 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2023-02-13 03:39:45,040 INFO L490 LassoAnalysis]: Using template '2-phase'. [2023-02-13 03:39:45,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:39:45,041 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:45,042 INFO L229 MonitoredProcess]: Starting monitored process 40 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:45,044 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-02-13 03:39:45,045 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:39:45,054 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-13 03:39:45,055 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-02-13 03:39:45,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:39:45,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:39:45,056 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-13 03:39:45,060 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-02-13 03:39:45,060 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-02-13 03:39:45,074 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:39:45,098 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2023-02-13 03:39:45,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:39:45,099 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:45,100 INFO L229 MonitoredProcess]: Starting monitored process 41 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:45,103 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-02-13 03:39:45,103 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:39:45,113 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-13 03:39:45,113 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-02-13 03:39:45,113 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:39:45,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:39:45,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:39:45,114 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-13 03:39:45,115 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-02-13 03:39:45,116 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:39:45,120 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:39:45,155 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2023-02-13 03:39:45,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:39:45,156 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:45,157 INFO L229 MonitoredProcess]: Starting monitored process 42 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:45,159 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-02-13 03:39:45,159 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:39:45,164 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-13 03:39:45,164 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-02-13 03:39:45,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:39:45,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:39:45,164 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-13 03:39:45,167 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-02-13 03:39:45,167 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-02-13 03:39:45,174 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:39:45,192 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2023-02-13 03:39:45,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:39:45,192 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:45,193 INFO L229 MonitoredProcess]: Starting monitored process 43 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:45,195 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:39:45,195 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-02-13 03:39:45,199 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-13 03:39:45,200 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-02-13 03:39:45,200 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:39:45,200 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:39:45,201 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-13 03:39:45,204 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-02-13 03:39:45,205 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-02-13 03:39:45,213 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:39:45,252 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2023-02-13 03:39:45,252 INFO L490 LassoAnalysis]: Using template '3-phase'. [2023-02-13 03:39:45,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:39:45,253 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:45,254 INFO L229 MonitoredProcess]: Starting monitored process 44 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:45,256 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-02-13 03:39:45,256 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:39:45,266 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-13 03:39:45,266 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-02-13 03:39:45,267 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:39:45,267 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:39:45,267 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-13 03:39:45,272 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-02-13 03:39:45,272 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-02-13 03:39:45,294 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:39:45,333 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2023-02-13 03:39:45,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:39:45,334 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:45,335 INFO L229 MonitoredProcess]: Starting monitored process 45 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:45,337 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-02-13 03:39:45,337 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:39:45,342 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-13 03:39:45,342 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-02-13 03:39:45,343 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:39:45,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:39:45,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:39:45,343 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-13 03:39:45,344 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-02-13 03:39:45,345 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:39:45,349 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:39:45,385 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2023-02-13 03:39:45,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:39:45,386 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:45,388 INFO L229 MonitoredProcess]: Starting monitored process 46 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:45,389 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-02-13 03:39:45,390 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:39:45,399 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-13 03:39:45,399 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-02-13 03:39:45,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:39:45,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:39:45,399 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-13 03:39:45,402 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-02-13 03:39:45,402 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-02-13 03:39:45,414 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:39:45,444 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2023-02-13 03:39:45,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:39:45,445 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:45,446 INFO L229 MonitoredProcess]: Starting monitored process 47 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:45,448 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2023-02-13 03:39:45,448 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:39:45,458 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-13 03:39:45,459 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-02-13 03:39:45,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:39:45,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:39:45,460 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-13 03:39:45,464 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-02-13 03:39:45,464 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-02-13 03:39:45,472 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:39:45,509 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2023-02-13 03:39:45,509 INFO L490 LassoAnalysis]: Using template '4-phase'. [2023-02-13 03:39:45,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:39:45,510 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:45,511 INFO L229 MonitoredProcess]: Starting monitored process 48 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:45,513 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2023-02-13 03:39:45,514 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:39:45,524 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-13 03:39:45,524 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-02-13 03:39:45,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:39:45,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:39:45,525 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-02-13 03:39:45,533 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2023-02-13 03:39:45,533 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2023-02-13 03:39:45,567 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:39:45,604 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2023-02-13 03:39:45,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:39:45,604 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:45,605 INFO L229 MonitoredProcess]: Starting monitored process 49 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:45,607 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2023-02-13 03:39:45,608 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:39:45,613 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-13 03:39:45,613 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-02-13 03:39:45,613 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:39:45,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:39:45,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:39:45,614 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-02-13 03:39:45,616 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-02-13 03:39:45,616 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:39:45,622 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:39:45,645 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2023-02-13 03:39:45,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:39:45,646 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:45,647 INFO L229 MonitoredProcess]: Starting monitored process 50 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:45,648 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2023-02-13 03:39:45,649 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:39:45,659 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-13 03:39:45,659 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-02-13 03:39:45,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:39:45,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:39:45,660 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-02-13 03:39:45,664 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2023-02-13 03:39:45,664 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2023-02-13 03:39:45,675 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:39:45,713 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2023-02-13 03:39:45,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:39:45,714 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:45,714 INFO L229 MonitoredProcess]: Starting monitored process 51 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:45,716 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2023-02-13 03:39:45,717 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:39:45,727 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-13 03:39:45,727 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-02-13 03:39:45,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:39:45,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:39:45,728 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-02-13 03:39:45,732 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2023-02-13 03:39:45,733 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2023-02-13 03:39:45,747 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:39:45,785 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2023-02-13 03:39:45,785 INFO L490 LassoAnalysis]: Using template '2-lex'. [2023-02-13 03:39:45,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:39:45,786 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:45,787 INFO L229 MonitoredProcess]: Starting monitored process 52 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:45,789 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2023-02-13 03:39:45,789 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:39:45,797 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-13 03:39:45,798 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-02-13 03:39:45,798 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:39:45,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:39:45,799 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-13 03:39:45,803 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-02-13 03:39:45,803 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-02-13 03:39:45,823 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:39:45,859 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2023-02-13 03:39:45,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:39:45,860 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:45,861 INFO L229 MonitoredProcess]: Starting monitored process 53 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:45,863 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2023-02-13 03:39:45,863 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:39:45,868 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-13 03:39:45,868 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-02-13 03:39:45,868 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:39:45,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:39:45,869 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:39:45,869 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-13 03:39:45,870 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-02-13 03:39:45,870 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:39:45,872 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:39:45,891 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2023-02-13 03:39:45,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:39:45,892 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:45,893 INFO L229 MonitoredProcess]: Starting monitored process 54 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:45,894 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2023-02-13 03:39:45,895 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:39:45,904 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-13 03:39:45,905 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-02-13 03:39:45,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:39:45,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:39:45,905 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-13 03:39:45,908 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-02-13 03:39:45,909 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-02-13 03:39:45,916 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:39:45,952 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2023-02-13 03:39:45,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:39:45,952 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:45,954 INFO L229 MonitoredProcess]: Starting monitored process 55 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:45,956 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2023-02-13 03:39:45,957 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:39:45,962 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-13 03:39:45,962 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-02-13 03:39:45,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:39:45,963 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:39:45,963 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-13 03:39:45,966 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-02-13 03:39:45,967 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-02-13 03:39:45,976 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:39:46,003 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2023-02-13 03:39:46,003 INFO L490 LassoAnalysis]: Using template '3-lex'. [2023-02-13 03:39:46,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:39:46,004 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:46,005 INFO L229 MonitoredProcess]: Starting monitored process 56 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:46,007 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2023-02-13 03:39:46,007 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:39:46,015 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-13 03:39:46,015 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-02-13 03:39:46,015 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:39:46,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:39:46,016 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-02-13 03:39:46,022 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2023-02-13 03:39:46,023 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2023-02-13 03:39:46,050 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:39:46,070 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2023-02-13 03:39:46,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:39:46,071 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:46,072 INFO L229 MonitoredProcess]: Starting monitored process 57 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:46,074 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2023-02-13 03:39:46,074 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:39:46,079 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-13 03:39:46,079 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-02-13 03:39:46,079 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:39:46,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:39:46,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:39:46,079 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-02-13 03:39:46,080 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-13 03:39:46,080 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:39:46,085 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:39:46,120 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2023-02-13 03:39:46,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:39:46,121 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:46,122 INFO L229 MonitoredProcess]: Starting monitored process 58 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:46,123 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2023-02-13 03:39:46,124 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:39:46,133 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-13 03:39:46,133 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-02-13 03:39:46,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:39:46,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:39:46,134 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-02-13 03:39:46,137 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2023-02-13 03:39:46,137 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2023-02-13 03:39:46,152 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:39:46,185 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2023-02-13 03:39:46,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:39:46,186 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:46,187 INFO L229 MonitoredProcess]: Starting monitored process 59 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:46,189 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2023-02-13 03:39:46,189 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:39:46,199 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-13 03:39:46,199 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-02-13 03:39:46,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:39:46,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:39:46,199 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-02-13 03:39:46,202 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2023-02-13 03:39:46,202 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2023-02-13 03:39:46,212 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:39:46,243 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2023-02-13 03:39:46,243 INFO L367 stractBuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2023-02-13 03:39:46,244 INFO L733 eck$LassoCheckResult]: Stem: 170#ULTIMATE.startENTRY [37] ULTIMATE.startENTRY-->L10-2: Formula: (= |v_ULTIMATE.start_main_~i~0#1_10| 0) InVars {} OutVars{ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_10|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_#res#1] 166#L10-2 [27] L10-2-->L10: Formula: (< |v_ULTIMATE.start_main_~i~0#1_7| 100) InVars {ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_7|} OutVars{ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_7|} AuxVars[] AssignedVars[] 167#L10 [29] L10-->L10-2: Formula: (and (= 51 |v_ULTIMATE.start_main_~i~0#1_8|) (< |v_ULTIMATE.start_main_~i~0#1_9| 50)) InVars {ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_9|} OutVars{ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_8|} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0#1] 168#L10-2 [27] L10-2-->L10: Formula: (< |v_ULTIMATE.start_main_~i~0#1_7| 100) InVars {ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_7|} OutVars{ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_7|} AuxVars[] AssignedVars[] 169#L10 [36] L10-->L10-2: Formula: (and (= 49 |v_ULTIMATE.start_main_~i~0#1_1|) (>= |v_ULTIMATE.start_main_~i~0#1_2| 50)) InVars {ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_2|} OutVars{ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0#1] 171#L10-2 [27] L10-2-->L10: Formula: (< |v_ULTIMATE.start_main_~i~0#1_7| 100) InVars {ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_7|} OutVars{ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_7|} AuxVars[] AssignedVars[] 167#L10 [2023-02-13 03:39:46,244 INFO L735 eck$LassoCheckResult]: Loop: 167#L10 [29] L10-->L10-2: Formula: (and (= 51 |v_ULTIMATE.start_main_~i~0#1_8|) (< |v_ULTIMATE.start_main_~i~0#1_9| 50)) InVars {ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_9|} OutVars{ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_8|} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0#1] 168#L10-2 [27] L10-2-->L10: Formula: (< |v_ULTIMATE.start_main_~i~0#1_7| 100) InVars {ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_7|} OutVars{ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_7|} AuxVars[] AssignedVars[] 169#L10 [36] L10-->L10-2: Formula: (and (= 49 |v_ULTIMATE.start_main_~i~0#1_1|) (>= |v_ULTIMATE.start_main_~i~0#1_2| 50)) InVars {ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_2|} OutVars{ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0#1] 171#L10-2 [27] L10-2-->L10: Formula: (< |v_ULTIMATE.start_main_~i~0#1_7| 100) InVars {ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_7|} OutVars{ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_7|} AuxVars[] AssignedVars[] 167#L10 [2023-02-13 03:39:46,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:39:46,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1972608364, now seen corresponding path program 3 times [2023-02-13 03:39:46,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:39:46,246 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852507779] [2023-02-13 03:39:46,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:39:46,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:39:46,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:39:46,256 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:39:46,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:39:46,262 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:39:46,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:39:46,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1814550, now seen corresponding path program 2 times [2023-02-13 03:39:46,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:39:46,263 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039127374] [2023-02-13 03:39:46,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:39:46,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:39:46,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:39:46,268 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:39:46,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:39:46,272 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:39:46,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:39:46,272 INFO L85 PathProgramCache]: Analyzing trace with hash 511483905, now seen corresponding path program 4 times [2023-02-13 03:39:46,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:39:46,272 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496059340] [2023-02-13 03:39:46,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:39:46,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:39:46,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:39:46,277 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:39:46,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:39:46,282 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:39:46,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.02 03:39:46 BasicIcfg [2023-02-13 03:39:46,337 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-02-13 03:39:46,338 INFO L158 Benchmark]: Toolchain (without parser) took 4268.58ms. Allocated memory was 2.1GB in the beginning and 2.6GB in the end (delta: 436.2MB). Free memory was 2.1GB in the beginning and 2.5GB in the end (delta: -338.5MB). Peak memory consumption was 103.6MB. Max. memory is 42.9GB. [2023-02-13 03:39:46,338 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 2.1GB. Free memory is still 2.1GB. There was no memory consumed. Max. memory is 42.9GB. [2023-02-13 03:39:46,338 INFO L158 Benchmark]: CACSL2BoogieTranslator took 119.46ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. [2023-02-13 03:39:46,338 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.20ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 42.9GB. [2023-02-13 03:39:46,339 INFO L158 Benchmark]: Boogie Preprocessor took 8.33ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 1.0MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. [2023-02-13 03:39:46,339 INFO L158 Benchmark]: RCFGBuilder took 142.97ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. [2023-02-13 03:39:46,339 INFO L158 Benchmark]: BlockEncodingV2 took 33.95ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 42.9GB. [2023-02-13 03:39:46,339 INFO L158 Benchmark]: TraceAbstraction took 13.14ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. [2023-02-13 03:39:46,340 INFO L158 Benchmark]: BuchiAutomizer took 3925.24ms. Allocated memory was 2.1GB in the beginning and 2.6GB in the end (delta: 436.2MB). Free memory was 2.1GB in the beginning and 2.5GB in the end (delta: -367.9MB). Peak memory consumption was 70.0MB. Max. memory is 42.9GB. [2023-02-13 03:39:46,341 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 8 locations, 10 edges - StatisticsResult: Encoded RCFG 3 locations, 4 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 2.1GB. Free memory is still 2.1GB. There was no memory consumed. Max. memory is 42.9GB. * CACSL2BoogieTranslator took 119.46ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. * Boogie Procedure Inliner took 20.20ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 42.9GB. * Boogie Preprocessor took 8.33ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 1.0MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. * RCFGBuilder took 142.97ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. * BlockEncodingV2 took 33.95ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 42.9GB. * TraceAbstraction took 13.14ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. * BuchiAutomizer took 3925.24ms. Allocated memory was 2.1GB in the beginning and 2.6GB in the end (delta: 436.2MB). Free memory was 2.1GB in the beginning and 2.5GB in the end (delta: -367.9MB). Peak memory consumption was 70.0MB. Max. memory is 42.9GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (1 trivial, 0 deterministic, 3 nondeterministic) and one nonterminating remainder module.One nondeterministic module has affine ranking function i and consists of 3 locations. One nondeterministic module has affine ranking function i and consists of 3 locations. One nondeterministic module has affine ranking function -1 * i + 50 and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.8s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 3.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35 IncrementalHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 6 mSDtfsCounter, 35 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT2 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital10 mio100 ax222 hnf100 lsp45 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq140 hnf92 smp100 dnf100 smp100 tf115 neg100 sie113 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 22ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 10]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {\result=0, i=49} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 10]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L6] int i; [L7] i = 0 [L9] COND TRUE i < 100 [L10] COND TRUE i < 50 [L10] i = 51 [L9] COND TRUE i < 100 [L10] COND FALSE !(i < 50) [L11] i = 49 [L9] COND TRUE i < 100 Loop: [L10] COND TRUE i < 50 [L10] i = 51 [L9] COND TRUE i < 100 [L10] COND FALSE !(i < 50) [L11] i = 49 [L9] COND TRUE i < 100 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-02-13 03:39:46,389 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (1)] Ended with exit code 0 Received shutdown request...