NO This is Ultimate 0.2.2-dev-e7f90c1-m [2023-02-13 03:39:41,041 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-13 03:39:41,042 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-13 03:39:41,057 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-13 03:39:41,058 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-13 03:39:41,058 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-13 03:39:41,059 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-13 03:39:41,060 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-13 03:39:41,061 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-13 03:39:41,061 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-13 03:39:41,062 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-13 03:39:41,062 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-13 03:39:41,063 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-13 03:39:41,063 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-13 03:39:41,064 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-13 03:39:41,064 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-13 03:39:41,065 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-13 03:39:41,065 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-13 03:39:41,066 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-13 03:39:41,067 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-13 03:39:41,068 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2023-02-13 03:39:41,068 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-13 03:39:41,069 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-13 03:39:41,069 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-13 03:39:41,070 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-13 03:39:41,071 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-13 03:39:41,071 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-13 03:39:41,071 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-13 03:39:41,072 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-13 03:39:41,072 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-13 03:39:41,073 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-13 03:39:41,073 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-13 03:39:41,073 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-13 03:39:41,074 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-13 03:39:41,074 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-13 03:39:41,075 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-13 03:39:41,075 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-13 03:39:41,075 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-13 03:39:41,075 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-13 03:39:41,075 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-13 03:39:41,076 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-13 03:39:41,076 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-13 03:39:41,077 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/Ultimate/./../termcomp2017.epf [2023-02-13 03:39:41,087 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-13 03:39:41,088 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-13 03:39:41,088 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-13 03:39:41,088 INFO L138 SettingsManager]: * Rewrite not-equals=true [2023-02-13 03:39:41,089 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-13 03:39:41,089 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2023-02-13 03:39:41,089 INFO L138 SettingsManager]: * Use SBE=true [2023-02-13 03:39:41,089 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-02-13 03:39:41,089 INFO L138 SettingsManager]: * Use old map elimination=false [2023-02-13 03:39:41,089 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2023-02-13 03:39:41,089 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2023-02-13 03:39:41,089 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2023-02-13 03:39:41,089 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-02-13 03:39:41,089 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2023-02-13 03:39:41,090 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:39:41,090 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-13 03:39:41,090 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-13 03:39:41,090 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-13 03:39:41,090 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-13 03:39:41,090 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-02-13 03:39:41,090 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2023-02-13 03:39:41,090 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-13 03:39:41,090 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-13 03:39:41,091 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2023-02-13 03:39:41,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2023-02-13 03:39:41,091 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-13 03:39:41,091 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-13 03:39:41,091 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-13 03:39:41,091 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/export/starexec/sandbox/solver/Ultimate/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-02-13 03:39:41,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-13 03:39:41,243 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-13 03:39:41,244 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-13 03:39:41,245 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-13 03:39:41,246 INFO L275 PluginConnector]: CDTParser initialized [2023-02-13 03:39:41,247 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c [2023-02-13 03:39:41,282 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/bc7bf4c9cd05438d834e0658cc3d77a7/FLAG31408698e [2023-02-13 03:39:41,628 INFO L306 CDTParser]: Found 1 translation units. [2023-02-13 03:39:41,629 INFO L160 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c [2023-02-13 03:39:41,635 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/bc7bf4c9cd05438d834e0658cc3d77a7/FLAG31408698e [2023-02-13 03:39:42,083 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/bc7bf4c9cd05438d834e0658cc3d77a7 [2023-02-13 03:39:42,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-13 03:39:42,087 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2023-02-13 03:39:42,089 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-13 03:39:42,089 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-13 03:39:42,094 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-13 03:39:42,095 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.02 03:39:42" (1/1) ... [2023-02-13 03:39:42,096 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3eab1355 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:39:42, skipping insertion in model container [2023-02-13 03:39:42,097 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.02 03:39:42" (1/1) ... [2023-02-13 03:39:42,105 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-13 03:39:42,115 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-13 03:39:42,184 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-13 03:39:42,186 INFO L203 MainTranslator]: Completed pre-run [2023-02-13 03:39:42,192 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-13 03:39:42,199 INFO L208 MainTranslator]: Completed translation [2023-02-13 03:39:42,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:39:42 WrapperNode [2023-02-13 03:39:42,199 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-13 03:39:42,200 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-13 03:39:42,200 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-13 03:39:42,200 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-13 03:39:42,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:39:42" (1/1) ... [2023-02-13 03:39:42,206 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:39:42" (1/1) ... [2023-02-13 03:39:42,215 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 12 [2023-02-13 03:39:42,215 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-13 03:39:42,215 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-13 03:39:42,215 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-13 03:39:42,215 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-13 03:39:42,220 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:39:42" (1/1) ... [2023-02-13 03:39:42,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:39:42" (1/1) ... [2023-02-13 03:39:42,220 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:39:42" (1/1) ... [2023-02-13 03:39:42,220 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:39:42" (1/1) ... [2023-02-13 03:39:42,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:39:42" (1/1) ... [2023-02-13 03:39:42,223 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:39:42" (1/1) ... [2023-02-13 03:39:42,223 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:39:42" (1/1) ... [2023-02-13 03:39:42,224 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-13 03:39:42,224 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-13 03:39:42,224 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-13 03:39:42,224 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-13 03:39:42,225 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:39:42" (1/1) ... [2023-02-13 03:39:42,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2023-02-13 03:39:42,246 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:42,256 INFO L229 MonitoredProcess]: Starting monitored process 1 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:42,258 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (1)] Waiting until timeout for monitored process [2023-02-13 03:39:42,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-13 03:39:42,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-13 03:39:42,337 INFO L234 CfgBuilder]: Building ICFG [2023-02-13 03:39:42,338 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-13 03:39:42,386 INFO L275 CfgBuilder]: Performing block encoding [2023-02-13 03:39:42,391 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-13 03:39:42,392 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-13 03:39:42,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.02 03:39:42 BoogieIcfgContainer [2023-02-13 03:39:42,393 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-13 03:39:42,394 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2023-02-13 03:39:42,394 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2023-02-13 03:39:42,396 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2023-02-13 03:39:42,396 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.02 03:39:42" (1/1) ... [2023-02-13 03:39:42,404 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2023-02-13 03:39:42,405 INFO L258 BlockEncoder]: Using Remove infeasible edges [2023-02-13 03:39:42,405 INFO L263 BlockEncoder]: Using Maximize final states [2023-02-13 03:39:42,405 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2023-02-13 03:39:42,405 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2023-02-13 03:39:42,406 INFO L296 BlockEncoder]: Using Remove sink states [2023-02-13 03:39:42,406 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2023-02-13 03:39:42,406 INFO L179 BlockEncoder]: Using Rewrite not-equals [2023-02-13 03:39:42,416 INFO L185 BlockEncoder]: Using Use SBE [2023-02-13 03:39:42,422 INFO L200 BlockEncoder]: SBE split 1 edges [2023-02-13 03:39:42,424 INFO L70 emoveInfeasibleEdges]: Removed 5 edges and 4 locations because of local infeasibility [2023-02-13 03:39:42,424 INFO L71 MaximizeFinalStates]: 0 new accepting states [2023-02-13 03:39:42,427 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2023-02-13 03:39:42,428 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2023-02-13 03:39:42,428 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2023-02-13 03:39:42,428 INFO L71 MaximizeFinalStates]: 0 new accepting states [2023-02-13 03:39:42,428 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2023-02-13 03:39:42,429 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2023-02-13 03:39:42,429 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 3 edges [2023-02-13 03:39:42,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 13.02 03:39:42 BasicIcfg [2023-02-13 03:39:42,429 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2023-02-13 03:39:42,430 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-13 03:39:42,430 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-13 03:39:42,432 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-13 03:39:42,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.02 03:39:42" (1/4) ... [2023-02-13 03:39:42,432 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49e3ab2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.02 03:39:42, skipping insertion in model container [2023-02-13 03:39:42,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:39:42" (2/4) ... [2023-02-13 03:39:42,432 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49e3ab2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.02 03:39:42, skipping insertion in model container [2023-02-13 03:39:42,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.02 03:39:42" (3/4) ... [2023-02-13 03:39:42,433 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49e3ab2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.02 03:39:42, skipping insertion in model container [2023-02-13 03:39:42,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 13.02 03:39:42" (4/4) ... [2023-02-13 03:39:42,434 INFO L111 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2023-02-13 03:39:42,442 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2023-02-13 03:39:42,443 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-02-13 03:39:42,443 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49e3ab2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.02 03:39:42, skipping insertion in model container [2023-02-13 03:39:42,443 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-13 03:39:42,444 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-02-13 03:39:42,444 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2023-02-13 03:39:42,445 INFO L275 PluginConnector]: BuchiAutomizer initialized [2023-02-13 03:39:42,446 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-13 03:39:42,446 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.02 03:39:42" (1/4) ... [2023-02-13 03:39:42,446 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@32c8917d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.02 03:39:42, skipping insertion in model container [2023-02-13 03:39:42,446 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-13 03:39:42,446 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:39:42" (2/4) ... [2023-02-13 03:39:42,447 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@32c8917d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.02 03:39:42, skipping insertion in model container [2023-02-13 03:39:42,447 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-13 03:39:42,447 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.02 03:39:42" (3/4) ... [2023-02-13 03:39:42,447 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@32c8917d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.02 03:39:42, skipping insertion in model container [2023-02-13 03:39:42,447 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-13 03:39:42,447 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 13.02 03:39:42" (4/4) ... [2023-02-13 03:39:42,448 INFO L322 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2023-02-13 03:39:42,474 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2023-02-13 03:39:42,474 INFO L302 stractBuchiCegarLoop]: Hoare is true [2023-02-13 03:39:42,474 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-02-13 03:39:42,474 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-02-13 03:39:42,474 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-02-13 03:39:42,474 INFO L306 stractBuchiCegarLoop]: Difference is false [2023-02-13 03:39:42,474 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-02-13 03:39:42,475 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-02-13 03:39:42,477 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 1 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:39:42,494 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-02-13 03:39:42,495 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-13 03:39:42,495 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-13 03:39:42,499 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2023-02-13 03:39:42,499 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-02-13 03:39:42,499 INFO L333 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-02-13 03:39:42,499 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 1 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:39:42,500 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-02-13 03:39:42,500 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-13 03:39:42,500 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-13 03:39:42,500 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2023-02-13 03:39:42,500 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-02-13 03:39:42,504 INFO L733 eck$LassoCheckResult]: Stem: 2#ULTIMATE.startENTRYtrue [30] ULTIMATE.startENTRY-->L9-2: Formula: true InVars {} OutVars{ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_6|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_4|, ULTIMATE.start_main_#t~nondet0#1=|v_ULTIMATE.start_main_#t~nondet0#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~nondet0#1] 3#L9-2true [2023-02-13 03:39:42,504 INFO L735 eck$LassoCheckResult]: Loop: 3#L9-2true [28] L9-2-->L9-2: Formula: (and (< v_rep~unnamed0~0~true_1 0) (= |v_ULTIMATE.start_main_~i~0#1_4| (+ |v_ULTIMATE.start_main_~i~0#1_5| 1))) InVars {v_rep~unnamed0~0~true_1=v_rep~unnamed0~0~true_1, ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_5|} OutVars{v_rep~unnamed0~0~true_1=v_rep~unnamed0~0~true_1, ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0#1] 3#L9-2true [2023-02-13 03:39:42,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:39:42,508 INFO L85 PathProgramCache]: Analyzing trace with hash 61, now seen corresponding path program 1 times [2023-02-13 03:39:42,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:39:42,513 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699696206] [2023-02-13 03:39:42,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:39:42,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:39:42,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:39:42,558 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:39:42,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:39:42,569 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:39:42,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:39:42,571 INFO L85 PathProgramCache]: Analyzing trace with hash 59, now seen corresponding path program 1 times [2023-02-13 03:39:42,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:39:42,571 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341338056] [2023-02-13 03:39:42,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:39:42,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:39:42,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:39:42,578 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:39:42,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:39:42,580 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:39:42,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:39:42,582 INFO L85 PathProgramCache]: Analyzing trace with hash 1919, now seen corresponding path program 1 times [2023-02-13 03:39:42,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:39:42,582 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464942325] [2023-02-13 03:39:42,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:39:42,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:39:42,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:39:42,586 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:39:42,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:39:42,588 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:39:42,617 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:39:42,618 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:39:42,618 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:39:42,618 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:39:42,618 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-13 03:39:42,618 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:39:42,618 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:39:42,618 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:39:42,618 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2023-02-13 03:39:42,618 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:39:42,618 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:39:42,627 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:39:42,634 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:39:42,637 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:39:42,639 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:39:42,675 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:39:42,675 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-13 03:39:42,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:39:42,677 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:42,678 INFO L229 MonitoredProcess]: Starting monitored process 2 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:42,680 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:39:42,681 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:39:42,693 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-02-13 03:39:42,696 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:39:42,696 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-13 03:39:42,712 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-02-13 03:39:42,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:39:42,713 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:42,713 INFO L229 MonitoredProcess]: Starting monitored process 3 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:42,716 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-02-13 03:39:42,716 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:39:42,716 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:39:42,725 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:39:42,725 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=-1} Honda state: {v_rep~unnamed0~0~true_1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-13 03:39:42,739 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-02-13 03:39:42,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:39:42,740 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:42,740 INFO L229 MonitoredProcess]: Starting monitored process 4 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:42,741 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:39:42,741 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:39:42,743 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-02-13 03:39:42,750 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:39:42,750 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_2=1} Honda state: {v_rep~unnamed0~0~true_2=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-13 03:39:42,764 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-02-13 03:39:42,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:39:42,764 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:42,765 INFO L229 MonitoredProcess]: Starting monitored process 5 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:42,767 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-02-13 03:39:42,769 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:39:42,769 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:39:42,795 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 03:39:42,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:39:42,795 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:42,796 INFO L229 MonitoredProcess]: Starting monitored process 6 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:42,798 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-02-13 03:39:42,798 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-13 03:39:42,799 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:39:42,831 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:39:42,832 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~i~0#1=0} Honda state: {ULTIMATE.start_main_~i~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~i~0#1=1}, {ULTIMATE.start_main_~i~0#1=-6}, {ULTIMATE.start_main_~i~0#1=6}] Lambdas: [7, 2, 1] Nus: [1, 1] [2023-02-13 03:39:42,860 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2023-02-13 03:39:42,867 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:39:42,867 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:39:42,868 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:39:42,868 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:39:42,868 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-13 03:39:42,868 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:39:42,869 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:39:42,869 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:39:42,869 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso [2023-02-13 03:39:42,869 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:39:42,870 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:39:42,873 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:39:42,881 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:39:42,886 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:39:42,891 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:39:42,897 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:39:42,900 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:39:42,926 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:39:42,926 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-13 03:39:42,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:39:42,927 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:42,927 INFO L229 MonitoredProcess]: Starting monitored process 7 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:42,930 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-02-13 03:39:42,930 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:39:42,930 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:39:42,940 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:39:42,940 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_2=0} Honda state: {v_rep~unnamed0~0~false_2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-13 03:39:42,954 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-02-13 03:39:42,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:39:42,955 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:42,955 INFO L229 MonitoredProcess]: Starting monitored process 8 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:42,957 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-02-13 03:39:42,958 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:39:42,958 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:39:42,965 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:39:42,965 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 03:39:42,980 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-02-13 03:39:42,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:39:42,981 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:42,981 INFO L229 MonitoredProcess]: Starting monitored process 9 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:42,982 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-02-13 03:39:42,983 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:39:42,983 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:39:42,990 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:39:42,990 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=-1} Honda state: {v_rep~unnamed0~0~true_1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-13 03:39:43,027 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-02-13 03:39:43,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:39:43,028 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:43,029 INFO L229 MonitoredProcess]: Starting monitored process 10 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:43,050 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-02-13 03:39:43,055 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:39:43,055 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:39:43,104 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 03:39:43,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:39:43,105 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:43,106 INFO L229 MonitoredProcess]: Starting monitored process 11 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:43,107 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-02-13 03:39:43,108 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-13 03:39:43,108 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:39:43,123 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:39:43,123 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~i~0#1=0} Honda state: {ULTIMATE.start_main_~i~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~i~0#1=1}, {ULTIMATE.start_main_~i~0#1=-6}, {ULTIMATE.start_main_~i~0#1=6}] Lambdas: [7, 2, 1] Nus: [1, 1] [2023-02-13 03:39:43,160 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2023-02-13 03:39:43,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:39:43,161 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:43,162 INFO L229 MonitoredProcess]: Starting monitored process 12 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:39:43,163 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-02-13 03:39:43,164 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:39:43,164 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:39:43,171 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:39:43,171 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-13 03:39:43,187 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2023-02-13 03:39:43,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:39:43,188 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:39:43,189 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 03:39:43,190 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 03:39:43,191 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:39:43,191 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:39:43,196 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:39:43,196 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-13 03:39:43,211 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 03:39:43,233 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2023-02-13 03:39:43,235 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2023-02-13 03:39:43,236 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2023-02-13 03:39:43,237 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2023-02-13 03:39:43,237 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2023-02-13 03:39:43,238 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2023-02-13 03:39:43,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.02 03:39:43 BasicIcfg [2023-02-13 03:39:43,247 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-02-13 03:39:43,248 INFO L158 Benchmark]: Toolchain (without parser) took 1160.27ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: -859.3kB). Peak memory consumption was 83.0MB. Max. memory is 42.9GB. [2023-02-13 03:39:43,249 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 2.1GB. Free memory is still 2.1GB. There was no memory consumed. Max. memory is 42.9GB. [2023-02-13 03:39:43,249 INFO L158 Benchmark]: CACSL2BoogieTranslator took 110.16ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. [2023-02-13 03:39:43,250 INFO L158 Benchmark]: Boogie Procedure Inliner took 15.37ms. 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 03:39:43,250 INFO L158 Benchmark]: Boogie Preprocessor took 8.49ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 1.0MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. [2023-02-13 03:39:43,250 INFO L158 Benchmark]: RCFGBuilder took 169.33ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. [2023-02-13 03:39:43,251 INFO L158 Benchmark]: BlockEncodingV2 took 35.14ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 42.9GB. [2023-02-13 03:39:43,251 INFO L158 Benchmark]: TraceAbstraction took 13.37ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 42.9GB. [2023-02-13 03:39:43,251 INFO L158 Benchmark]: BuchiAutomizer took 803.50ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: -30.0MB). Peak memory consumption was 49.5MB. Max. memory is 42.9GB. [2023-02-13 03:39:43,253 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 7 locations, 8 edges - StatisticsResult: Encoded RCFG 2 locations, 3 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 2.1GB. Free memory is still 2.1GB. There was no memory consumed. Max. memory is 42.9GB. * CACSL2BoogieTranslator took 110.16ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. * Boogie Procedure Inliner took 15.37ms. 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 8.49ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 1.0MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. * RCFGBuilder took 169.33ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. * BlockEncodingV2 took 35.14ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 42.9GB. * TraceAbstraction took 13.37ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 42.9GB. * BuchiAutomizer took 803.50ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: -30.0MB). Peak memory consumption was 49.5MB. Max. memory is 42.9GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false * 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 Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.7s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. 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 [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital10 mio100 ax220 hnf100 lsp27 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq200 hnf100 smp100 dnf100 smp100 tf116 neg100 sie100 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 8 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - GeometricNonTerminationArgumentResult [Line: 9]: Nontermination argument in form of an infinite program execution. [2023-02-13 03:39:43,268 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2023-02-13 03:39:43,268 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2023-02-13 03:39:43,269 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2023-02-13 03:39:43,270 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2023-02-13 03:39:43,270 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2023-02-13 03:39:43,271 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2023-02-13 03:39:43,271 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2023-02-13 03:39:43,271 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2023-02-13 03:39:43,272 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2023-02-13 03:39:43,272 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2023-02-13 03:39:43,273 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2023-02-13 03:39:43,273 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false Nontermination argument in form of an infinite execution State at position 0 is {i=0, ~unnamed0~0~true=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@36d77d6f=0, ~unnamed0~0~false=0, \result=0} State at position 1 is {i=0, ~unnamed0~0~true=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@36d77d6f=0, ~unnamed0~0~false=0, \result=0} For i>1, the state at position i is {i=0 + sum_{k=0}^i 1*7^k + -6*2^k + -6*k*7^(k-1) + 6 + 6*k*2^(k-1) + 6*binomial(k, 2)*7^(k-2), ~unnamed0~0~true=1 + sum_{k=0}^i 0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@36d77d6f=0 + sum_{k=0}^i 0, ~unnamed0~0~false=0 + sum_{k=0}^i 0, \result=0 + sum_{k=0}^i 0} - StatisticsResult: NonterminationArgumentStatistics Unbounded Execution 3GEVs Lambdas: [7, 2, 1] Mus: [1, 1] - NonterminatingLassoResult [Line: 9]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L6] int i; [L7] i = __VERIFIER_nondet_int() Loop: [L9] COND TRUE \read(true) [L10] i = i+1 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-02-13 03:39:43,307 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...