YES This is Ultimate 0.2.2-dev-e7f90c1-m [2023-02-13 03:41:15,855 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-13 03:41:15,857 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-13 03:41:15,871 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-13 03:41:15,871 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-13 03:41:15,872 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-13 03:41:15,873 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-13 03:41:15,874 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-13 03:41:15,875 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-13 03:41:15,875 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-13 03:41:15,876 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-13 03:41:15,876 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-13 03:41:15,877 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-13 03:41:15,877 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-13 03:41:15,878 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-13 03:41:15,879 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-13 03:41:15,879 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-13 03:41:15,880 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-13 03:41:15,880 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-13 03:41:15,881 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-13 03:41:15,882 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2023-02-13 03:41:15,884 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-13 03:41:15,884 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-13 03:41:15,885 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-13 03:41:15,885 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-13 03:41:15,887 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-13 03:41:15,887 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-13 03:41:15,887 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-13 03:41:15,887 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-13 03:41:15,888 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-13 03:41:15,888 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-13 03:41:15,888 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-13 03:41:15,889 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-13 03:41:15,889 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-13 03:41:15,889 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-13 03:41:15,890 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-13 03:41:15,890 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-13 03:41:15,890 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-13 03:41:15,891 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-13 03:41:15,891 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-13 03:41:15,891 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-13 03:41:15,892 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-13 03:41:15,892 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/Ultimate/./../termcomp2017.epf [2023-02-13 03:41:15,903 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-13 03:41:15,903 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-13 03:41:15,903 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-13 03:41:15,904 INFO L138 SettingsManager]: * Rewrite not-equals=true [2023-02-13 03:41:15,904 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-13 03:41:15,904 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2023-02-13 03:41:15,904 INFO L138 SettingsManager]: * Use SBE=true [2023-02-13 03:41:15,904 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-02-13 03:41:15,904 INFO L138 SettingsManager]: * Use old map elimination=false [2023-02-13 03:41:15,904 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2023-02-13 03:41:15,904 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2023-02-13 03:41:15,905 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2023-02-13 03:41:15,905 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-02-13 03:41:15,905 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2023-02-13 03:41:15,905 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:41:15,905 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-13 03:41:15,905 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-13 03:41:15,905 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-13 03:41:15,905 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-13 03:41:15,905 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-02-13 03:41:15,905 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2023-02-13 03:41:15,906 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-13 03:41:15,906 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-13 03:41:15,906 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2023-02-13 03:41:15,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2023-02-13 03:41:15,906 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-13 03:41:15,906 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-13 03:41:15,906 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-13 03:41:15,906 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-02-13 03:41:16,049 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-13 03:41:16,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-13 03:41:16,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-13 03:41:16,063 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-13 03:41:16,063 INFO L275 PluginConnector]: CDTParser initialized [2023-02-13 03:41:16,064 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c [2023-02-13 03:41:16,103 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/d0aaa2d8b68d409a902969bedec35282/FLAG06bf27fcd [2023-02-13 03:41:16,447 INFO L306 CDTParser]: Found 1 translation units. [2023-02-13 03:41:16,448 INFO L160 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c [2023-02-13 03:41:16,453 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/d0aaa2d8b68d409a902969bedec35282/FLAG06bf27fcd [2023-02-13 03:41:16,899 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/d0aaa2d8b68d409a902969bedec35282 [2023-02-13 03:41:16,903 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-13 03:41:16,905 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2023-02-13 03:41:16,906 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-13 03:41:16,906 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-13 03:41:16,912 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-13 03:41:16,913 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.02 03:41:16" (1/1) ... [2023-02-13 03:41:16,916 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f5ecaf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:41:16, skipping insertion in model container [2023-02-13 03:41:16,916 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.02 03:41:16" (1/1) ... [2023-02-13 03:41:16,926 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-13 03:41:16,938 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-13 03:41:17,007 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-13 03:41:17,009 INFO L203 MainTranslator]: Completed pre-run [2023-02-13 03:41:17,016 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-13 03:41:17,022 INFO L208 MainTranslator]: Completed translation [2023-02-13 03:41:17,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:41:17 WrapperNode [2023-02-13 03:41:17,023 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-13 03:41:17,023 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-13 03:41:17,023 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-13 03:41:17,023 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-13 03:41:17,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:41:17" (1/1) ... [2023-02-13 03:41:17,037 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:41:17" (1/1) ... [2023-02-13 03:41:17,051 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2023-02-13 03:41:17,052 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-13 03:41:17,052 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-13 03:41:17,052 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-13 03:41:17,052 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-13 03:41:17,058 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:41:17" (1/1) ... [2023-02-13 03:41:17,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:41:17" (1/1) ... [2023-02-13 03:41:17,058 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:41:17" (1/1) ... [2023-02-13 03:41:17,059 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:41:17" (1/1) ... [2023-02-13 03:41:17,059 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:41:17" (1/1) ... [2023-02-13 03:41:17,061 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:41:17" (1/1) ... [2023-02-13 03:41:17,062 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:41:17" (1/1) ... [2023-02-13 03:41:17,062 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-13 03:41:17,063 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-13 03:41:17,063 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-13 03:41:17,063 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-13 03:41:17,063 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:41:17" (1/1) ... [2023-02-13 03:41:17,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2023-02-13 03:41:17,074 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:17,084 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 03:41:17,090 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 03:41:17,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-13 03:41:17,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-13 03:41:17,178 INFO L234 CfgBuilder]: Building ICFG [2023-02-13 03:41:17,179 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-13 03:41:17,237 INFO L275 CfgBuilder]: Performing block encoding [2023-02-13 03:41:17,243 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-13 03:41:17,243 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-13 03:41:17,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.02 03:41:17 BoogieIcfgContainer [2023-02-13 03:41:17,244 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-13 03:41:17,245 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2023-02-13 03:41:17,245 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2023-02-13 03:41:17,246 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2023-02-13 03:41:17,246 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.02 03:41:17" (1/1) ... [2023-02-13 03:41:17,255 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 10 edges [2023-02-13 03:41:17,255 INFO L258 BlockEncoder]: Using Remove infeasible edges [2023-02-13 03:41:17,256 INFO L263 BlockEncoder]: Using Maximize final states [2023-02-13 03:41:17,256 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2023-02-13 03:41:17,256 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2023-02-13 03:41:17,257 INFO L296 BlockEncoder]: Using Remove sink states [2023-02-13 03:41:17,257 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2023-02-13 03:41:17,257 INFO L179 BlockEncoder]: Using Rewrite not-equals [2023-02-13 03:41:17,270 INFO L185 BlockEncoder]: Using Use SBE [2023-02-13 03:41:17,280 INFO L200 BlockEncoder]: SBE split 2 edges [2023-02-13 03:41:17,283 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2023-02-13 03:41:17,284 INFO L71 MaximizeFinalStates]: 0 new accepting states [2023-02-13 03:41:17,288 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2023-02-13 03:41:17,289 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states [2023-02-13 03:41:17,290 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2023-02-13 03:41:17,290 INFO L71 MaximizeFinalStates]: 0 new accepting states [2023-02-13 03:41:17,290 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2023-02-13 03:41:17,290 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2023-02-13 03:41:17,290 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 5 edges [2023-02-13 03:41:17,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 13.02 03:41:17 BasicIcfg [2023-02-13 03:41:17,290 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2023-02-13 03:41:17,291 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-13 03:41:17,291 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-13 03:41:17,293 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-13 03:41:17,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.02 03:41:16" (1/4) ... [2023-02-13 03:41:17,294 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@362878f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.02 03:41:17, skipping insertion in model container [2023-02-13 03:41:17,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:41:17" (2/4) ... [2023-02-13 03:41:17,294 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@362878f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.02 03:41:17, skipping insertion in model container [2023-02-13 03:41:17,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.02 03:41:17" (3/4) ... [2023-02-13 03:41:17,294 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@362878f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.02 03:41:17, skipping insertion in model container [2023-02-13 03:41:17,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 13.02 03:41:17" (4/4) ... [2023-02-13 03:41:17,295 INFO L111 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2023-02-13 03:41:17,304 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2023-02-13 03:41:17,304 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-02-13 03:41:17,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@362878f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.02 03:41:17, skipping insertion in model container [2023-02-13 03:41:17,305 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-13 03:41:17,305 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-02-13 03:41:17,306 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2023-02-13 03:41:17,307 INFO L275 PluginConnector]: BuchiAutomizer initialized [2023-02-13 03:41:17,308 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-13 03:41:17,308 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.02 03:41:16" (1/4) ... [2023-02-13 03:41:17,308 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@44c621e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.02 03:41:17, skipping insertion in model container [2023-02-13 03:41:17,308 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-13 03:41:17,308 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:41:17" (2/4) ... [2023-02-13 03:41:17,309 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@44c621e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.02 03:41:17, skipping insertion in model container [2023-02-13 03:41:17,309 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-13 03:41:17,309 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.02 03:41:17" (3/4) ... [2023-02-13 03:41:17,309 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@44c621e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.02 03:41:17, skipping insertion in model container [2023-02-13 03:41:17,309 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-13 03:41:17,309 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 13.02 03:41:17" (4/4) ... [2023-02-13 03:41:17,310 INFO L322 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2023-02-13 03:41:17,338 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2023-02-13 03:41:17,338 INFO L302 stractBuchiCegarLoop]: Hoare is true [2023-02-13 03:41:17,338 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-02-13 03:41:17,338 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-02-13 03:41:17,338 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-02-13 03:41:17,338 INFO L306 stractBuchiCegarLoop]: Difference is false [2023-02-13 03:41:17,338 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-02-13 03:41:17,338 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-02-13 03:41:17,342 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 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 03:41:17,352 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-13 03:41:17,352 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-13 03:41:17,352 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-13 03:41:17,356 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2023-02-13 03:41:17,356 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-13 03:41:17,356 INFO L333 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-02-13 03:41:17,356 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 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 03:41:17,356 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-13 03:41:17,356 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-13 03:41:17,357 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-13 03:41:17,357 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2023-02-13 03:41:17,357 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-13 03:41:17,360 INFO L733 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [41] ULTIMATE.startENTRY-->L18-2: Formula: true InVars {} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_8|, ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_4|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_9|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_4|, ULTIMATE.start_main_#t~nondet1#1=|v_ULTIMATE.start_main_#t~nondet1#1_3|, ULTIMATE.start_main_#t~nondet2#1=|v_ULTIMATE.start_main_#t~nondet2#1_6|, ULTIMATE.start_main_#t~nondet0#1=|v_ULTIMATE.start_main_#t~nondet0#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_#t~nondet3#1, ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~nondet1#1, ULTIMATE.start_main_#t~nondet2#1, ULTIMATE.start_main_#t~nondet0#1] 4#L18-2true [2023-02-13 03:41:17,360 INFO L735 eck$LassoCheckResult]: Loop: 4#L18-2true [31] L18-2-->L18: Formula: (and (< 0 |v_ULTIMATE.start_main_~x~0#1_5|) (< 0 |v_ULTIMATE.start_main_~y~0#1_7|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_7|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_7|} AuxVars[] AssignedVars[] 2#L18true [39] L18-->L18-2: Formula: (and (> |v_ULTIMATE.start_main_#t~nondet2#1_5| 0) (= |v_ULTIMATE.start_main_~x~0#1_6| (+ (- 1) |v_ULTIMATE.start_main_~x~0#1_7|)) (= |v_ULTIMATE.start_main_#t~nondet3#1_3| |v_ULTIMATE.start_main_~y~0#1_8|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_7|, ULTIMATE.start_main_#t~nondet2#1=|v_ULTIMATE.start_main_#t~nondet2#1_5|, ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_3|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_6|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_8|} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_#t~nondet3#1, ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_#t~nondet2#1] 4#L18-2true [2023-02-13 03:41:17,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:41:17,363 INFO L85 PathProgramCache]: Analyzing trace with hash 72, now seen corresponding path program 1 times [2023-02-13 03:41:17,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:41:17,369 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950383152] [2023-02-13 03:41:17,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:41:17,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:41:17,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:41:17,414 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:41:17,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:41:17,425 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:41:17,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:41:17,427 INFO L85 PathProgramCache]: Analyzing trace with hash 1961, now seen corresponding path program 1 times [2023-02-13 03:41:17,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:41:17,427 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795588400] [2023-02-13 03:41:17,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:41:17,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:41:17,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:41:17,433 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:41:17,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:41:17,437 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:41:17,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:41:17,438 INFO L85 PathProgramCache]: Analyzing trace with hash 70192, now seen corresponding path program 1 times [2023-02-13 03:41:17,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:41:17,438 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342985605] [2023-02-13 03:41:17,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:41:17,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:41:17,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:41:17,443 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:41:17,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:41:17,446 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:41:17,491 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:41:17,492 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:41:17,492 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:41:17,492 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:41:17,492 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-13 03:41:17,492 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:41:17,492 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:41:17,492 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:41:17,492 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2023-02-13 03:41:17,492 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:41:17,493 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:41:17,501 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 03:41:17,507 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 03:41:17,509 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 03:41:17,512 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 03:41:17,515 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 03:41:17,550 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:41:17,550 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-13 03:41:17,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:41:17,552 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:17,552 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 03:41:17,554 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 03:41:17,555 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:41:17,555 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:41:17,566 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:41:17,566 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 03:41:17,585 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 03:41:17,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:41:17,586 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:17,586 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 03:41:17,595 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 03:41:17,595 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:41:17,596 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:41:17,609 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:41:17,609 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 03:41:17,626 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 03:41:17,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:41:17,627 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:17,628 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 03:41:17,630 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 03:41:17,631 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:41:17,631 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:41:17,675 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 03:41:17,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:41:17,676 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:17,679 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 03:41:17,682 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 03:41:17,683 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-13 03:41:17,684 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:41:17,726 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-13 03:41:17,730 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-02-13 03:41:17,730 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:41:17,730 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:41:17,730 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:41:17,730 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:41:17,730 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-13 03:41:17,730 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:41:17,730 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:41:17,731 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:41:17,731 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2023-02-13 03:41:17,731 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:41:17,731 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:41:17,732 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 03:41:17,735 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 03:41:17,738 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 03:41:17,744 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 03:41:17,746 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 03:41:17,777 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:41:17,780 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-13 03:41:17,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:41:17,782 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:17,782 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 03:41:17,783 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 03:41:17,784 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 03:41:17,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:41:17,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:41:17,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:41:17,788 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:41:17,806 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-13 03:41:17,807 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-13 03:41:17,817 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:41:17,831 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 03:41:17,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:41:17,832 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:17,832 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 03:41:17,834 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 03:41:17,835 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 03:41:17,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:41:17,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:41:17,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:41:17,840 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:41:17,846 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-13 03:41:17,847 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-13 03:41:17,856 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:41:17,876 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 03:41:17,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:41:17,876 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:17,877 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 03:41:17,878 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 03:41:17,878 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 03:41:17,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:41:17,883 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:41:17,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:41:17,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:41:17,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:41:17,885 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-13 03:41:17,885 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:41:17,888 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-13 03:41:17,892 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-02-13 03:41:17,892 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-02-13 03:41:17,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:41:17,894 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:17,895 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 03:41:17,896 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 03:41:17,899 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-13 03:41:17,899 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-13 03:41:17,899 INFO L513 LassoAnalysis]: Proved termination. [2023-02-13 03:41:17,899 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2023-02-13 03:41:17,921 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 03:41:17,927 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-13 03:41:17,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:41:17,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:41:17,945 WARN L261 TraceCheckSpWp]: Trace formula consists of 3 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-13 03:41:17,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:41:17,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:41:17,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-13 03:41:17,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:41:17,958 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 03:41:17,979 INFO L100 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization [2023-02-13 03:41:17,982 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 2 loop predicates [2023-02-13 03:41:17,983 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 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) 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 03:41:17,998 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 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). 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 8 states and 12 transitions. Complement of second has 4 states. [2023-02-13 03:41:18,000 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 03:41:18,003 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 03:41:18,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. [2023-02-13 03:41:18,004 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 1 letters. Loop has 2 letters. [2023-02-13 03:41:18,004 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:41:18,005 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 3 letters. Loop has 2 letters. [2023-02-13 03:41:18,005 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:41:18,005 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 1 letters. Loop has 4 letters. [2023-02-13 03:41:18,005 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:41:18,008 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 12 transitions. [2023-02-13 03:41:18,008 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-13 03:41:18,010 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 8 states and 12 transitions. [2023-02-13 03:41:18,011 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2023-02-13 03:41:18,011 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2023-02-13 03:41:18,011 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 12 transitions. [2023-02-13 03:41:18,011 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-13 03:41:18,011 INFO L220 hiAutomatonCegarLoop]: Abstraction has 8 states and 12 transitions. [2023-02-13 03:41:18,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 12 transitions. [2023-02-13 03:41:18,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2023-02-13 03:41:18,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 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 03:41:18,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 11 transitions. [2023-02-13 03:41:18,025 INFO L242 hiAutomatonCegarLoop]: Abstraction has 7 states and 11 transitions. [2023-02-13 03:41:18,025 INFO L426 stractBuchiCegarLoop]: Abstraction has 7 states and 11 transitions. [2023-02-13 03:41:18,025 INFO L333 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-02-13 03:41:18,025 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 11 transitions. [2023-02-13 03:41:18,026 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-13 03:41:18,026 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-13 03:41:18,026 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-13 03:41:18,026 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-02-13 03:41:18,026 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-13 03:41:18,026 INFO L733 eck$LassoCheckResult]: Stem: 48#ULTIMATE.startENTRY [41] ULTIMATE.startENTRY-->L18-2: Formula: true InVars {} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_8|, ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_4|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_9|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_4|, ULTIMATE.start_main_#t~nondet1#1=|v_ULTIMATE.start_main_#t~nondet1#1_3|, ULTIMATE.start_main_#t~nondet2#1=|v_ULTIMATE.start_main_#t~nondet2#1_6|, ULTIMATE.start_main_#t~nondet0#1=|v_ULTIMATE.start_main_#t~nondet0#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_#t~nondet3#1, ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~nondet1#1, ULTIMATE.start_main_#t~nondet2#1, ULTIMATE.start_main_#t~nondet0#1] 49#L18-2 [31] L18-2-->L18: Formula: (and (< 0 |v_ULTIMATE.start_main_~x~0#1_5|) (< 0 |v_ULTIMATE.start_main_~y~0#1_7|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_7|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_7|} AuxVars[] AssignedVars[] 43#L18 [2023-02-13 03:41:18,026 INFO L735 eck$LassoCheckResult]: Loop: 43#L18 [27] L18-->L18-2: Formula: (and (= |v_ULTIMATE.start_main_~y~0#1_1| (+ (- 1) |v_ULTIMATE.start_main_~y~0#1_2|)) (= |v_ULTIMATE.start_main_#t~nondet2#1_2| 0)) InVars {ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_2|, ULTIMATE.start_main_#t~nondet2#1=|v_ULTIMATE.start_main_#t~nondet2#1_2|} OutVars{ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_#t~nondet2#1] 44#L18-2 [31] L18-2-->L18: Formula: (and (< 0 |v_ULTIMATE.start_main_~x~0#1_5|) (< 0 |v_ULTIMATE.start_main_~y~0#1_7|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_7|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_7|} AuxVars[] AssignedVars[] 43#L18 [2023-02-13 03:41:18,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:41:18,027 INFO L85 PathProgramCache]: Analyzing trace with hash 2263, now seen corresponding path program 1 times [2023-02-13 03:41:18,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:41:18,027 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674847315] [2023-02-13 03:41:18,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:41:18,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:41:18,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:41:18,030 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:41:18,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:41:18,031 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:41:18,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:41:18,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1829, now seen corresponding path program 1 times [2023-02-13 03:41:18,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:41:18,032 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38424631] [2023-02-13 03:41:18,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:41:18,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:41:18,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:41:18,036 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:41:18,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:41:18,038 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:41:18,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:41:18,038 INFO L85 PathProgramCache]: Analyzing trace with hash 2175611, now seen corresponding path program 1 times [2023-02-13 03:41:18,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:41:18,038 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711522026] [2023-02-13 03:41:18,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:41:18,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:41:18,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:41:18,041 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:41:18,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:41:18,044 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:41:18,057 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:41:18,058 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:41:18,058 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:41:18,058 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:41:18,058 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-13 03:41:18,058 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:41:18,058 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:41:18,058 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:41:18,058 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2023-02-13 03:41:18,058 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:41:18,058 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:41:18,059 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 03:41:18,060 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 03:41:18,062 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 03:41:18,063 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 03:41:18,065 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 03:41:18,087 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:41:18,087 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-13 03:41:18,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:41:18,087 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:18,088 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 03:41:18,091 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 03:41:18,092 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:41:18,092 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:41:18,106 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:41:18,106 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 03:41:18,123 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2023-02-13 03:41:18,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:41:18,124 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:18,124 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 03:41:18,126 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 03:41:18,126 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:41:18,126 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:41:18,134 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:41:18,134 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-13 03:41:18,158 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 03:41:18,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:41:18,158 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:18,159 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 03:41:18,160 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 03:41:18,161 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:41:18,161 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:41:18,173 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:41:18,174 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=1} Honda state: {ULTIMATE.start_main_~x~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-13 03:41:18,199 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 03:41:18,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:41:18,200 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:18,201 INFO L229 MonitoredProcess]: Starting monitored process 13 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 03:41:18,203 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-02-13 03:41:18,203 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:41:18,203 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:41:18,215 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:41:18,215 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2#1=0} Honda state: {ULTIMATE.start_main_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-13 03:41:18,248 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2023-02-13 03:41:18,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:41:18,249 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:18,250 INFO L229 MonitoredProcess]: Starting monitored process 14 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 03:41:18,251 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-02-13 03:41:18,252 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:41:18,252 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:41:18,298 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2023-02-13 03:41:18,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:41:18,299 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:18,300 INFO L229 MonitoredProcess]: Starting monitored process 15 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 03:41:18,302 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-02-13 03:41:18,303 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-13 03:41:18,303 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:41:18,373 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-13 03:41:18,376 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2023-02-13 03:41:18,376 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:41:18,376 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:41:18,377 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:41:18,377 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:41:18,377 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-13 03:41:18,377 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:41:18,378 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:41:18,378 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:41:18,378 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2023-02-13 03:41:18,379 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:41:18,379 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:41:18,381 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 03:41:18,386 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 03:41:18,390 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 03:41:18,394 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 03:41:18,397 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 03:41:18,449 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:41:18,449 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-13 03:41:18,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:41:18,450 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:18,452 INFO L229 MonitoredProcess]: Starting monitored process 16 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 03:41:18,454 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-02-13 03:41:18,454 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 03:41:18,462 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:41:18,462 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:41:18,462 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:41:18,463 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:41:18,464 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-13 03:41:18,464 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-13 03:41:18,469 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:41:18,503 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2023-02-13 03:41:18,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:41:18,506 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:18,507 INFO L229 MonitoredProcess]: Starting monitored process 17 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 03:41:18,509 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-02-13 03:41:18,509 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 03:41:18,514 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:41:18,515 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:41:18,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:41:18,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:41:18,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:41:18,517 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-13 03:41:18,517 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:41:18,519 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:41:18,558 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2023-02-13 03:41:18,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:41:18,559 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:18,560 INFO L229 MonitoredProcess]: Starting monitored process 18 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 03:41:18,562 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-02-13 03:41:18,562 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 03:41:18,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:41:18,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:41:18,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:41:18,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:41:18,576 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-13 03:41:18,576 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-13 03:41:18,582 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:41:18,608 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2023-02-13 03:41:18,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:41:18,610 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:18,611 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 03:41:18,612 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 03:41:18,613 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 03:41:18,618 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:41:18,618 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:41:18,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:41:18,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:41:18,619 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:41:18,621 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-13 03:41:18,621 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:41:18,623 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:41:18,660 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 03:41:18,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:41:18,661 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:18,662 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 03:41:18,665 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 03:41:18,665 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 03:41:18,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:41:18,674 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:41:18,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:41:18,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:41:18,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:41:18,675 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-13 03:41:18,676 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:41:18,678 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-13 03:41:18,683 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-02-13 03:41:18,683 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-02-13 03:41:18,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:41:18,684 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:18,687 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 03:41:18,691 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 03:41:18,691 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-13 03:41:18,691 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-13 03:41:18,692 INFO L513 LassoAnalysis]: Proved termination. [2023-02-13 03:41:18,692 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2023-02-13 03:41:18,730 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 03:41:18,732 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-13 03:41:18,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:41:18,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:41:18,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-13 03:41:18,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:41:18,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:41:18,764 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-13 03:41:18,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:41:18,793 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 03:41:18,794 INFO L100 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization [2023-02-13 03:41:18,794 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 2 loop predicates [2023-02-13 03:41:18,794 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 7 states and 11 transitions. cyclomatic complexity: 6 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 03:41:18,813 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 7 states and 11 transitions. cyclomatic complexity: 6. 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 10 states and 15 transitions. Complement of second has 4 states. [2023-02-13 03:41:18,814 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 03:41:18,814 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 03:41:18,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2023-02-13 03:41:18,814 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 2 letters. Loop has 2 letters. [2023-02-13 03:41:18,815 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:41:18,815 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 4 letters. Loop has 2 letters. [2023-02-13 03:41:18,815 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:41:18,815 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 2 letters. Loop has 4 letters. [2023-02-13 03:41:18,815 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:41:18,816 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 15 transitions. [2023-02-13 03:41:18,816 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-13 03:41:18,816 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 0 states and 0 transitions. [2023-02-13 03:41:18,816 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-02-13 03:41:18,817 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-02-13 03:41:18,817 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-02-13 03:41:18,817 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-02-13 03:41:18,817 INFO L220 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-13 03:41:18,817 INFO L242 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-13 03:41:18,817 INFO L426 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-13 03:41:18,817 INFO L333 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-02-13 03:41:18,817 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-02-13 03:41:18,817 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-13 03:41:18,817 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-02-13 03:41:18,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.02 03:41:18 BasicIcfg [2023-02-13 03:41:18,823 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-02-13 03:41:18,823 INFO L158 Benchmark]: Toolchain (without parser) took 1918.99ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 55.4MB). Peak memory consumption was 57.7MB. Max. memory is 42.9GB. [2023-02-13 03:41:18,823 INFO L158 Benchmark]: CDTParser took 0.10ms. 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 03:41:18,824 INFO L158 Benchmark]: CACSL2BoogieTranslator took 116.80ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 10.1MB). There was no memory consumed. Max. memory is 42.9GB. [2023-02-13 03:41:18,824 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.49ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 42.9GB. [2023-02-13 03:41:18,824 INFO L158 Benchmark]: Boogie Preprocessor took 10.38ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 1.1MB). Peak memory consumption was 16.8MB. Max. memory is 42.9GB. [2023-02-13 03:41:18,824 INFO L158 Benchmark]: RCFGBuilder took 181.36ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. [2023-02-13 03:41:18,825 INFO L158 Benchmark]: BlockEncodingV2 took 45.92ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 42.9GB. [2023-02-13 03:41:18,825 INFO L158 Benchmark]: TraceAbstraction took 13.66ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. [2023-02-13 03:41:18,825 INFO L158 Benchmark]: BuchiAutomizer took 1517.48ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 25.2MB). Peak memory consumption was 24.1MB. Max. memory is 42.9GB. [2023-02-13 03:41:18,826 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, 5 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 2.1GB. Free memory is still 2.1GB. There was no memory consumed. Max. memory is 42.9GB. * CACSL2BoogieTranslator took 116.80ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 10.1MB). There was no memory consumed. Max. memory is 42.9GB. * Boogie Procedure Inliner took 28.49ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 42.9GB. * Boogie Preprocessor took 10.38ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 1.1MB). Peak memory consumption was 16.8MB. Max. memory is 42.9GB. * RCFGBuilder took 181.36ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. * BlockEncodingV2 took 45.92ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 42.9GB. * TraceAbstraction took 13.66ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. * BuchiAutomizer took 1517.48ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 25.2MB). Peak memory consumption was 24.1MB. 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 2 terminating modules (0 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function x and consists of 3 locations. One nondeterministic module has affine ranking function y and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 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 [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24 IncrementalHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 5 mSDtfsCounter, 24 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital17 mio100 ax169 hnf100 lsp33 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 35ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 6 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-02-13 03:41:18,846 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-02-13 03:41:19,080 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-02-13 03:41:19,280 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...