/export/starexec/sandbox2/solver/bin/starexec_run_default /export/starexec/sandbox2/benchmark/theBenchmark.c /export/starexec/sandbox2/output/output_files -------------------------------------------------------------------------------- NO Ultimate: Cannot open display: This is Ultimate 0.1.25-34f2e62 [2020-07-01 10:48:51,853 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-01 10:48:51,856 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-01 10:48:51,867 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-01 10:48:51,867 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-01 10:48:51,868 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-01 10:48:51,870 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-01 10:48:51,871 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-01 10:48:51,873 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-01 10:48:51,873 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-01 10:48:51,874 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-01 10:48:51,875 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-01 10:48:51,875 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-01 10:48:51,876 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-01 10:48:51,877 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-01 10:48:51,878 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-01 10:48:51,879 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-01 10:48:51,880 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-01 10:48:51,881 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-01 10:48:51,883 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-01 10:48:51,884 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-01 10:48:51,885 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-01 10:48:51,886 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-01 10:48:51,887 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-01 10:48:51,889 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-01 10:48:51,889 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-01 10:48:51,889 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-01 10:48:51,890 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-01 10:48:51,890 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-01 10:48:51,891 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-01 10:48:51,891 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-01 10:48:51,892 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-01 10:48:51,893 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-01 10:48:51,893 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-01 10:48:51,894 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-01 10:48:51,894 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-01 10:48:51,895 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-01 10:48:51,895 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-01 10:48:51,895 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-01 10:48:51,896 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-01 10:48:51,897 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-01 10:48:51,898 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-07-01 10:48:51,911 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-01 10:48:51,911 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-01 10:48:51,912 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-01 10:48:51,913 INFO L138 SettingsManager]: * Rewrite not-equals=true [2020-07-01 10:48:51,913 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-01 10:48:51,913 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-07-01 10:48:51,913 INFO L138 SettingsManager]: * Use SBE=true [2020-07-01 10:48:51,913 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-01 10:48:51,913 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-01 10:48:51,914 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-01 10:48:51,914 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-07-01 10:48:51,914 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-01 10:48:51,914 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-01 10:48:51,914 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2020-07-01 10:48:51,914 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 10:48:51,915 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-01 10:48:51,915 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-01 10:48:51,915 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-01 10:48:51,915 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-01 10:48:51,915 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-01 10:48:51,915 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-07-01 10:48:51,916 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-01 10:48:51,916 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-01 10:48:51,916 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-01 10:48:51,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 10:48:51,916 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-01 10:48:51,917 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-01 10:48:51,917 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-01 10:48:51,917 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-01 10:48:52,084 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-01 10:48:52,098 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-01 10:48:52,102 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-01 10:48:52,104 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-01 10:48:52,104 INFO L275 PluginConnector]: CDTParser initialized [2020-07-01 10:48:52,105 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-07-01 10:48:52,176 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/BenchExec_run_Ke_rhI/tmp/a25f9f1cd1d14ba898251fbcc7575058/FLAG7efd6829c [2020-07-01 10:48:52,539 INFO L306 CDTParser]: Found 1 translation units. [2020-07-01 10:48:52,540 INFO L160 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-07-01 10:48:52,549 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/BenchExec_run_Ke_rhI/tmp/a25f9f1cd1d14ba898251fbcc7575058/FLAG7efd6829c [2020-07-01 10:48:52,936 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/BenchExec_run_Ke_rhI/tmp/a25f9f1cd1d14ba898251fbcc7575058 [2020-07-01 10:48:52,947 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-01 10:48:52,949 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-07-01 10:48:52,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-01 10:48:52,950 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-01 10:48:52,953 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-01 10:48:52,954 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 10:48:52" (1/1) ... [2020-07-01 10:48:52,957 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@575974c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:48:52, skipping insertion in model container [2020-07-01 10:48:52,958 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 10:48:52" (1/1) ... [2020-07-01 10:48:52,965 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-01 10:48:52,997 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-01 10:48:53,270 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 10:48:53,279 INFO L203 MainTranslator]: Completed pre-run [2020-07-01 10:48:53,324 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 10:48:53,342 INFO L208 MainTranslator]: Completed translation [2020-07-01 10:48:53,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:48:53 WrapperNode [2020-07-01 10:48:53,343 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-01 10:48:53,344 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-01 10:48:53,344 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-01 10:48:53,344 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-01 10:48:53,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:48:53" (1/1) ... [2020-07-01 10:48:53,364 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:48:53" (1/1) ... [2020-07-01 10:48:53,397 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-01 10:48:53,397 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-01 10:48:53,397 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-01 10:48:53,397 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-01 10:48:53,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:48:53" (1/1) ... [2020-07-01 10:48:53,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:48:53" (1/1) ... [2020-07-01 10:48:53,411 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:48:53" (1/1) ... [2020-07-01 10:48:53,411 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:48:53" (1/1) ... [2020-07-01 10:48:53,419 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:48:53" (1/1) ... [2020-07-01 10:48:53,427 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:48:53" (1/1) ... [2020-07-01 10:48:53,429 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:48:53" (1/1) ... [2020-07-01 10:48:53,433 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-01 10:48:53,433 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-01 10:48:53,433 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-01 10:48:53,433 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-01 10:48:53,434 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:48:53" (1/1) ... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 10:48:53,508 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_msg_t [2020-07-01 10:48:53,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-01 10:48:53,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-01 10:48:53,930 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-01 10:48:53,930 INFO L295 CfgBuilder]: Removed 20 assume(true) statements. [2020-07-01 10:48:53,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:48:53 BoogieIcfgContainer [2020-07-01 10:48:53,935 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-01 10:48:53,936 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-07-01 10:48:53,936 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-07-01 10:48:53,938 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2020-07-01 10:48:53,939 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:48:53" (1/1) ... [2020-07-01 10:48:53,959 INFO L313 BlockEncoder]: Initial Icfg 77 locations, 128 edges [2020-07-01 10:48:53,960 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-07-01 10:48:53,961 INFO L263 BlockEncoder]: Using Maximize final states [2020-07-01 10:48:53,962 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-07-01 10:48:53,962 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-07-01 10:48:53,964 INFO L296 BlockEncoder]: Using Remove sink states [2020-07-01 10:48:53,965 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-07-01 10:48:53,965 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-07-01 10:48:54,008 INFO L185 BlockEncoder]: Using Use SBE [2020-07-01 10:48:54,053 INFO L200 BlockEncoder]: SBE split 54 edges [2020-07-01 10:48:54,059 INFO L70 emoveInfeasibleEdges]: Removed 3 edges and 0 locations because of local infeasibility [2020-07-01 10:48:54,061 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 10:48:54,079 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2020-07-01 10:48:54,082 INFO L70 RemoveSinkStates]: Removed 2 edges and 2 locations by removing sink states [2020-07-01 10:48:54,083 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 10:48:54,084 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 10:48:54,084 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-07-01 10:48:54,085 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 10:48:54,086 INFO L313 BlockEncoder]: Encoded RCFG 72 locations, 184 edges [2020-07-01 10:48:54,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 10:48:54 BasicIcfg [2020-07-01 10:48:54,086 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-07-01 10:48:54,087 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-01 10:48:54,088 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-01 10:48:54,091 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-01 10:48:54,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.07 10:48:52" (1/4) ... [2020-07-01 10:48:54,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ee396ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 10:48:54, skipping insertion in model container [2020-07-01 10:48:54,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:48:53" (2/4) ... [2020-07-01 10:48:54,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ee396ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 10:48:54, skipping insertion in model container [2020-07-01 10:48:54,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:48:53" (3/4) ... [2020-07-01 10:48:54,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ee396ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:48:54, skipping insertion in model container [2020-07-01 10:48:54,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 10:48:54" (4/4) ... [2020-07-01 10:48:54,094 INFO L109 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 10:48:54,105 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-07-01 10:48:54,112 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-07-01 10:48:54,126 INFO L251 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-07-01 10:48:54,150 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-01 10:48:54,150 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-01 10:48:54,150 INFO L377 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 10:48:54,150 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 10:48:54,151 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 10:48:54,151 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-01 10:48:54,151 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 10:48:54,151 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-01 10:48:54,167 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states. [2020-07-01 10:48:54,174 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-01 10:48:54,179 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 72 states. [2020-07-01 10:48:54,242 INFO L268 CegarLoopResult]: For program point L159(lines 159 161) no Hoare annotation was computed. [2020-07-01 10:48:54,242 INFO L268 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-07-01 10:48:54,242 INFO L268 CegarLoopResult]: For program point L349(lines 349 360) no Hoare annotation was computed. [2020-07-01 10:48:54,242 INFO L268 CegarLoopResult]: For program point L159-2(lines 156 161) no Hoare annotation was computed. [2020-07-01 10:48:54,242 INFO L268 CegarLoopResult]: For program point L221(lines 221 233) no Hoare annotation was computed. [2020-07-01 10:48:54,243 INFO L268 CegarLoopResult]: For program point L126-2(line 126) no Hoare annotation was computed. [2020-07-01 10:48:54,243 INFO L268 CegarLoopResult]: For program point L122(lines 122 127) no Hoare annotation was computed. [2020-07-01 10:48:54,243 INFO L268 CegarLoopResult]: For program point L217(lines 217 245) no Hoare annotation was computed. [2020-07-01 10:48:54,243 INFO L268 CegarLoopResult]: For program point L213(lines 213 257) no Hoare annotation was computed. [2020-07-01 10:48:54,243 INFO L268 CegarLoopResult]: For program point L147(lines 147 149) no Hoare annotation was computed. [2020-07-01 10:48:54,243 INFO L268 CegarLoopResult]: For program point L209(lines 209 269) no Hoare annotation was computed. [2020-07-01 10:48:54,244 INFO L268 CegarLoopResult]: For program point L176(lines 176 187) no Hoare annotation was computed. [2020-07-01 10:48:54,244 INFO L268 CegarLoopResult]: For program point L143(lines 143 152) no Hoare annotation was computed. [2020-07-01 10:48:54,244 INFO L268 CegarLoopResult]: For program point L176-1(lines 176 187) no Hoare annotation was computed. [2020-07-01 10:48:54,244 INFO L268 CegarLoopResult]: For program point L366(lines 366 370) no Hoare annotation was computed. [2020-07-01 10:48:54,244 INFO L268 CegarLoopResult]: For program point L139(lines 139 163) no Hoare annotation was computed. [2020-07-01 10:48:54,244 INFO L268 CegarLoopResult]: For program point L106(lines 106 119) no Hoare annotation was computed. [2020-07-01 10:48:54,244 INFO L268 CegarLoopResult]: For program point L106-1(lines 106 119) no Hoare annotation was computed. [2020-07-01 10:48:54,245 INFO L271 CegarLoopResult]: At program point L139-2(lines 133 166) the Hoare annotation is: true [2020-07-01 10:48:54,245 INFO L271 CegarLoopResult]: At program point L296(lines 279 298) the Hoare annotation is: true [2020-07-01 10:48:54,245 INFO L268 CegarLoopResult]: For program point L102(lines 102 129) no Hoare annotation was computed. [2020-07-01 10:48:54,245 INFO L271 CegarLoopResult]: At program point L102-2(lines 96 132) the Hoare annotation is: true [2020-07-01 10:48:54,245 INFO L268 CegarLoopResult]: For program point L193(lines 193 195) no Hoare annotation was computed. [2020-07-01 10:48:54,246 INFO L271 CegarLoopResult]: At program point L354-2(lines 354 358) the Hoare annotation is: true [2020-07-01 10:48:54,246 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-07-01 10:48:54,246 INFO L268 CegarLoopResult]: For program point L288(lines 288 292) no Hoare annotation was computed. [2020-07-01 10:48:54,246 INFO L268 CegarLoopResult]: For program point L193-2(lines 190 195) no Hoare annotation was computed. [2020-07-01 10:48:54,246 INFO L268 CegarLoopResult]: For program point L160-2(line 160) no Hoare annotation was computed. [2020-07-01 10:48:54,246 INFO L268 CegarLoopResult]: For program point L222(lines 222 230) no Hoare annotation was computed. [2020-07-01 10:48:54,246 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-01 10:48:54,247 INFO L268 CegarLoopResult]: For program point L156(lines 156 161) no Hoare annotation was computed. [2020-07-01 10:48:54,247 INFO L268 CegarLoopResult]: For program point L284(lines 284 295) no Hoare annotation was computed. [2020-07-01 10:48:54,247 INFO L268 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-07-01 10:48:54,247 INFO L268 CegarLoopResult]: For program point L284-1(lines 284 295) no Hoare annotation was computed. [2020-07-01 10:48:54,247 INFO L268 CegarLoopResult]: For program point L218(lines 218 242) no Hoare annotation was computed. [2020-07-01 10:48:54,247 INFO L268 CegarLoopResult]: For program point L123-2(line 123) no Hoare annotation was computed. [2020-07-01 10:48:54,247 INFO L268 CegarLoopResult]: For program point L214(lines 214 254) no Hoare annotation was computed. [2020-07-01 10:48:54,248 INFO L268 CegarLoopResult]: For program point L181(lines 181 183) no Hoare annotation was computed. [2020-07-01 10:48:54,248 INFO L271 CegarLoopResult]: At program point L276(lines 202 278) the Hoare annotation is: true [2020-07-01 10:48:54,248 INFO L268 CegarLoopResult]: For program point L210(lines 210 266) no Hoare annotation was computed. [2020-07-01 10:48:54,248 INFO L268 CegarLoopResult]: For program point L177(lines 177 186) no Hoare annotation was computed. [2020-07-01 10:48:54,248 INFO L268 CegarLoopResult]: For program point L144(lines 144 149) no Hoare annotation was computed. [2020-07-01 10:48:54,248 INFO L268 CegarLoopResult]: For program point L111(lines 111 115) no Hoare annotation was computed. [2020-07-01 10:48:54,248 INFO L268 CegarLoopResult]: For program point L173(lines 173 197) no Hoare annotation was computed. [2020-07-01 10:48:54,249 INFO L268 CegarLoopResult]: For program point L107(lines 107 118) no Hoare annotation was computed. [2020-07-01 10:48:54,249 INFO L271 CegarLoopResult]: At program point L173-2(lines 167 200) the Hoare annotation is: true [2020-07-01 10:48:54,249 INFO L268 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-07-01 10:48:54,249 INFO L268 CegarLoopResult]: For program point L194-2(line 194) no Hoare annotation was computed. [2020-07-01 10:48:54,249 INFO L268 CegarLoopResult]: For program point L223(lines 223 227) no Hoare annotation was computed. [2020-07-01 10:48:54,249 INFO L268 CegarLoopResult]: For program point L190(lines 190 195) no Hoare annotation was computed. [2020-07-01 10:48:54,250 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-01 10:48:54,250 INFO L268 CegarLoopResult]: For program point L285(lines 285 292) no Hoare annotation was computed. [2020-07-01 10:48:54,250 INFO L268 CegarLoopResult]: For program point L219(lines 219 239) no Hoare annotation was computed. [2020-07-01 10:48:54,250 INFO L268 CegarLoopResult]: For program point L157-2(line 157) no Hoare annotation was computed. [2020-07-01 10:48:54,250 INFO L268 CegarLoopResult]: For program point L215(lines 215 251) no Hoare annotation was computed. [2020-07-01 10:48:54,250 INFO L268 CegarLoopResult]: For program point L211(lines 211 263) no Hoare annotation was computed. [2020-07-01 10:48:54,250 INFO L268 CegarLoopResult]: For program point L178(lines 178 183) no Hoare annotation was computed. [2020-07-01 10:48:54,251 INFO L268 CegarLoopResult]: For program point L207(lines 207 275) no Hoare annotation was computed. [2020-07-01 10:48:54,251 INFO L268 CegarLoopResult]: For program point L207-1(lines 207 275) no Hoare annotation was computed. [2020-07-01 10:48:54,251 INFO L268 CegarLoopResult]: For program point L108(lines 108 115) no Hoare annotation was computed. [2020-07-01 10:48:54,251 INFO L271 CegarLoopResult]: At program point L331-2(lines 331 346) the Hoare annotation is: true [2020-07-01 10:48:54,251 INFO L268 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-07-01 10:48:54,251 INFO L268 CegarLoopResult]: For program point L125(lines 125 127) no Hoare annotation was computed. [2020-07-01 10:48:54,251 INFO L268 CegarLoopResult]: For program point L191-2(line 191) no Hoare annotation was computed. [2020-07-01 10:48:54,252 INFO L268 CegarLoopResult]: For program point L220(lines 220 236) no Hoare annotation was computed. [2020-07-01 10:48:54,252 INFO L268 CegarLoopResult]: For program point L125-2(lines 122 127) no Hoare annotation was computed. [2020-07-01 10:48:54,252 INFO L268 CegarLoopResult]: For program point L216(lines 216 248) no Hoare annotation was computed. [2020-07-01 10:48:54,252 INFO L268 CegarLoopResult]: For program point L212(lines 212 260) no Hoare annotation was computed. [2020-07-01 10:48:54,252 INFO L268 CegarLoopResult]: For program point L208(lines 208 272) no Hoare annotation was computed. [2020-07-01 10:48:54,252 INFO L268 CegarLoopResult]: For program point L142(lines 142 153) no Hoare annotation was computed. [2020-07-01 10:48:54,252 INFO L268 CegarLoopResult]: For program point L142-1(lines 142 153) no Hoare annotation was computed. [2020-07-01 10:48:54,252 INFO L268 CegarLoopResult]: For program point L361(lines 361 372) no Hoare annotation was computed. [2020-07-01 10:48:54,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:48:54 BasicIcfg [2020-07-01 10:48:54,262 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-01 10:48:54,263 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-01 10:48:54,263 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-01 10:48:54,267 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-01 10:48:54,268 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:48:54,268 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.07 10:48:52" (1/5) ... [2020-07-01 10:48:54,268 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ea56e31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 10:48:54, skipping insertion in model container [2020-07-01 10:48:54,269 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:48:54,269 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:48:53" (2/5) ... [2020-07-01 10:48:54,269 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ea56e31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 10:48:54, skipping insertion in model container [2020-07-01 10:48:54,269 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:48:54,269 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:48:53" (3/5) ... [2020-07-01 10:48:54,270 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ea56e31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 10:48:54, skipping insertion in model container [2020-07-01 10:48:54,270 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:48:54,270 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 10:48:54" (4/5) ... [2020-07-01 10:48:54,270 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ea56e31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 10:48:54, skipping insertion in model container [2020-07-01 10:48:54,270 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:48:54,271 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:48:54" (5/5) ... [2020-07-01 10:48:54,272 INFO L371 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 10:48:54,297 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-01 10:48:54,297 INFO L357 BuchiCegarLoop]: Hoare is true [2020-07-01 10:48:54,298 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 10:48:54,298 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 10:48:54,298 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 10:48:54,298 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-01 10:48:54,298 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 10:48:54,298 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-01 10:48:54,303 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states. [2020-07-01 10:48:54,326 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51 [2020-07-01 10:48:54,326 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 10:48:54,349 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 10:48:54,356 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-07-01 10:48:54,356 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-01 10:48:54,357 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-01 10:48:54,357 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states. [2020-07-01 10:48:54,362 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51 [2020-07-01 10:48:54,362 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 10:48:54,362 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 10:48:54,363 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-07-01 10:48:54,363 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-01 10:48:54,369 INFO L794 eck$LassoCheckResult]: Stem: 35#ULTIMATE.startENTRYtrue [648] ULTIMATE.startENTRY-->L207: Formula: (and (= 0 v_~p2_new~0_11) (= 0 v_~p2~0_2) (= 0 v_~p1~0_2) (= v_~p3_new~0_11 0) (= (- 1) v_~nomsg~0_28) (= 0 v_~p2_old~0_6) (= 0 v_ULTIMATE.start_main_~c1~0_7) (= 0 v_~p1_new~0_11) (= (store (store (store v_~nodes~0.offset_6 0 |#funAddr~node1.offset|) 1 |#funAddr~node2.offset|) 2 |#funAddr~node3.offset|) v_~nodes~0.offset_5) (= v_~p1_old~0_6 0) (= 0 v_~p3_old~0_6) (= 0 v_~p3~0_2) (= (store (store (store v_~nodes~0.base_6 0 |#funAddr~node1.base|) 1 |#funAddr~node2.base|) 2 |#funAddr~node3.base|) v_~nodes~0.base_5)) InVars {~nodes~0.offset=v_~nodes~0.offset_6, ~nodes~0.base=v_~nodes~0.base_6} OutVars{ULTIMATE.start_main_#t~nondet11=|v_ULTIMATE.start_main_#t~nondet11_6|, ULTIMATE.start_main_#t~nondet13=|v_ULTIMATE.start_main_#t~nondet13_6|, ULTIMATE.start_init_#res=|v_ULTIMATE.start_init_#res_4|, ULTIMATE.start_main_#t~nondet8=|v_ULTIMATE.start_main_#t~nondet8_6|, ULTIMATE.start_main_#t~nondet6=|v_ULTIMATE.start_main_#t~nondet6_6|, ~p2~0=v_~p2~0_2, ~id3~0=v_~id3~0_17, ~alive3~0=v_~alive3~0_9, ~mode2~0=v_~mode2~0_9, ~r1~0=v_~r1~0_9, ~st1~0=v_~st1~0_10, ULTIMATE.start_main_#t~ret23=|v_ULTIMATE.start_main_#t~ret23_4|, ~nodes~0.base=v_~nodes~0.base_5, ~id2~0=v_~id2~0_17, ~nodes~0.offset=v_~nodes~0.offset_5, ULTIMATE.start_main_#t~nondet20=|v_ULTIMATE.start_main_#t~nondet20_6|, ~p1_old~0=v_~p1_old~0_6, ~nomsg~0=v_~nomsg~0_28, ~alive2~0=v_~alive2~0_9, ~p3_old~0=v_~p3_old~0_6, ULTIMATE.start_main_#t~ret19=|v_ULTIMATE.start_main_#t~ret19_5|, ~mode3~0=v_~mode3~0_9, ~p2_new~0=v_~p2_new~0_11, ~p1~0=v_~p1~0_2, ULTIMATE.start_main_#t~nondet15=|v_ULTIMATE.start_main_#t~nondet15_6|, ULTIMATE.start_main_#t~nondet17=|v_ULTIMATE.start_main_#t~nondet17_6|, ~send1~0=v_~send1~0_14, ~id1~0=v_~id1~0_17, ULTIMATE.start_main_#t~nondet10=|v_ULTIMATE.start_main_#t~nondet10_6|, ULTIMATE.start_main_#t~nondet12=|v_ULTIMATE.start_main_#t~nondet12_6|, ~alive1~0=v_~alive1~0_9, ULTIMATE.start_main_~c1~0=v_ULTIMATE.start_main_~c1~0_7, ULTIMATE.start_main_#t~nondet7=|v_ULTIMATE.start_main_#t~nondet7_6|, ULTIMATE.start_main_#t~post24=|v_ULTIMATE.start_main_#t~post24_4|, ~st3~0=v_~st3~0_10, ULTIMATE.start_main_#t~ret22=|v_ULTIMATE.start_main_#t~ret22_4|, ~send2~0=v_~send2~0_13, ULTIMATE.start_main_~i2~0=v_ULTIMATE.start_main_~i2~0_10, ULTIMATE.start_init_~tmp~0=v_ULTIMATE.start_init_~tmp~0_22, ULTIMATE.start_main_#t~nondet21=|v_ULTIMATE.start_main_#t~nondet21_6|, ~p3~0=v_~p3~0_2, ~p2_old~0=v_~p2_old~0_6, ~mode1~0=v_~mode1~0_9, ULTIMATE.start_main_#t~ret14=|v_ULTIMATE.start_main_#t~ret14_5|, ~p3_new~0=v_~p3_new~0_11, ~p1_new~0=v_~p1_new~0_11, ~st2~0=v_~st2~0_10, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_3|, ~send3~0=v_~send3~0_13, ULTIMATE.start_main_#t~ret9=|v_ULTIMATE.start_main_#t~ret9_5|, ULTIMATE.start_main_#t~nondet16=|v_ULTIMATE.start_main_#t~nondet16_6|, ULTIMATE.start_main_#t~nondet18=|v_ULTIMATE.start_main_#t~nondet18_6|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet11, ULTIMATE.start_main_#t~nondet13, ULTIMATE.start_init_#res, ULTIMATE.start_main_#t~nondet8, ULTIMATE.start_main_#t~nondet6, ~p2~0, ~id3~0, ~alive3~0, ~mode2~0, ~r1~0, ~st1~0, ULTIMATE.start_main_#t~ret23, ~nodes~0.base, ~id2~0, ~nodes~0.offset, ULTIMATE.start_main_#t~nondet20, ~p1_old~0, ~nomsg~0, ~alive2~0, ~p3_old~0, ULTIMATE.start_main_#t~ret19, ~mode3~0, ~p2_new~0, ~p1~0, ULTIMATE.start_main_#t~nondet15, ULTIMATE.start_main_#t~nondet17, ~send1~0, ~id1~0, ULTIMATE.start_main_#t~nondet10, ULTIMATE.start_main_#t~nondet12, ~alive1~0, ULTIMATE.start_main_~c1~0, ULTIMATE.start_main_#t~nondet7, ULTIMATE.start_main_#t~post24, ~st3~0, ULTIMATE.start_main_#t~ret22, ~send2~0, ULTIMATE.start_main_~i2~0, ULTIMATE.start_init_~tmp~0, ULTIMATE.start_main_#t~nondet21, ~p3~0, ~p2_old~0, ~mode1~0, ULTIMATE.start_main_#t~ret14, ~p3_new~0, ~p1_new~0, ~st2~0, ULTIMATE.start_main_#res, ~send3~0, ULTIMATE.start_main_#t~ret9, ULTIMATE.start_main_#t~nondet16, ULTIMATE.start_main_#t~nondet18] 58#L207true [531] L207-->L207-1: Formula: (and (> 0 v_~r1~0_6) (= v_ULTIMATE.start_init_~tmp~0_20 0)) InVars {~r1~0=v_~r1~0_6} OutVars{ULTIMATE.start_init_~tmp~0=v_ULTIMATE.start_init_~tmp~0_20, ~r1~0=v_~r1~0_6} AuxVars[] AssignedVars[ULTIMATE.start_init_~tmp~0] 73#L207-1true [464] L207-1-->L276: Formula: (= |v_ULTIMATE.start_init_#res_2| v_ULTIMATE.start_init_~tmp~0_21) InVars {ULTIMATE.start_init_~tmp~0=v_ULTIMATE.start_init_~tmp~0_21} OutVars{ULTIMATE.start_init_#res=|v_ULTIMATE.start_init_#res_2|, ULTIMATE.start_init_~tmp~0=v_ULTIMATE.start_init_~tmp~0_21} AuxVars[] AssignedVars[ULTIMATE.start_init_#res] 49#L276true [534] L276-->L354-2: Formula: (and (= 0 |v_ULTIMATE.start___VERIFIER_assume_#in~arg_1|) (= |v_ULTIMATE.start_init_#res_3| v_ULTIMATE.start_main_~i2~0_6) (= v_ULTIMATE.start___VERIFIER_assume_~arg_1 |v_ULTIMATE.start___VERIFIER_assume_#in~arg_1|) (= 0 v_ULTIMATE.start_main_~i2~0_6)) InVars {ULTIMATE.start_init_#res=|v_ULTIMATE.start_init_#res_3|} OutVars{ULTIMATE.start_init_#res=|v_ULTIMATE.start_init_#res_3|, ULTIMATE.start___VERIFIER_assume_~arg=v_ULTIMATE.start___VERIFIER_assume_~arg_1, ULTIMATE.start_main_~i2~0=v_ULTIMATE.start_main_~i2~0_6, ULTIMATE.start___VERIFIER_assume_#in~arg=|v_ULTIMATE.start___VERIFIER_assume_#in~arg_1|, ULTIMATE.start_main_#t~ret22=|v_ULTIMATE.start_main_#t~ret22_2|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assume_~arg, ULTIMATE.start_main_#t~ret22, ULTIMATE.start_main_~i2~0, ULTIMATE.start___VERIFIER_assume_#in~arg] 10#L354-2true [2020-07-01 10:48:54,369 INFO L796 eck$LassoCheckResult]: Loop: 10#L354-2true [352] L354-2-->L354-2: Formula: (= 0 v_ULTIMATE.start___VERIFIER_assume_~arg_4) InVars {ULTIMATE.start___VERIFIER_assume_~arg=v_ULTIMATE.start___VERIFIER_assume_~arg_4} OutVars{ULTIMATE.start___VERIFIER_assume_~arg=v_ULTIMATE.start___VERIFIER_assume_~arg_4} AuxVars[] AssignedVars[] 10#L354-2true [2020-07-01 10:48:54,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 10:48:54,376 INFO L82 PathProgramCache]: Analyzing trace with hash 20753298, now seen corresponding path program 1 times [2020-07-01 10:48:54,385 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 10:48:54,385 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839219768] [2020-07-01 10:48:54,386 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 10:48:54,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:48:54,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:48:54,496 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 10:48:54,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 10:48:54,497 INFO L82 PathProgramCache]: Analyzing trace with hash 383, now seen corresponding path program 1 times [2020-07-01 10:48:54,498 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 10:48:54,498 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771796864] [2020-07-01 10:48:54,498 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 10:48:54,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:48:54,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:48:54,510 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 10:48:54,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 10:48:54,512 INFO L82 PathProgramCache]: Analyzing trace with hash 643352590, now seen corresponding path program 1 times [2020-07-01 10:48:54,512 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 10:48:54,512 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837609739] [2020-07-01 10:48:54,513 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 10:48:54,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:48:54,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:48:54,544 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 10:48:54,676 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2020-07-01 10:48:54,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 10:48:54 BasicIcfg [2020-07-01 10:48:54,774 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-01 10:48:54,776 INFO L168 Benchmark]: Toolchain (without parser) took 1827.36 ms. Allocated memory was 649.6 MB in the beginning and 656.4 MB in the end (delta: 6.8 MB). Free memory was 560.5 MB in the beginning and 483.2 MB in the end (delta: 77.4 MB). Peak memory consumption was 84.2 MB. Max. memory is 50.3 GB. [2020-07-01 10:48:54,777 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 584.3 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-07-01 10:48:54,777 INFO L168 Benchmark]: CACSL2BoogieTranslator took 393.26 ms. Allocated memory was 649.6 MB in the beginning and 656.4 MB in the end (delta: 6.8 MB). Free memory was 559.2 MB in the beginning and 614.1 MB in the end (delta: -54.9 MB). Peak memory consumption was 28.4 MB. Max. memory is 50.3 GB. [2020-07-01 10:48:54,778 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.23 ms. Allocated memory is still 656.4 MB. Free memory was 614.1 MB in the beginning and 611.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 50.3 GB. [2020-07-01 10:48:54,779 INFO L168 Benchmark]: Boogie Preprocessor took 35.72 ms. Allocated memory is still 656.4 MB. Free memory was 611.4 MB in the beginning and 608.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 50.3 GB. [2020-07-01 10:48:54,779 INFO L168 Benchmark]: RCFGBuilder took 502.08 ms. Allocated memory is still 656.4 MB. Free memory was 608.7 MB in the beginning and 567.7 MB in the end (delta: 41.0 MB). Peak memory consumption was 41.0 MB. Max. memory is 50.3 GB. [2020-07-01 10:48:54,780 INFO L168 Benchmark]: BlockEncodingV2 took 150.89 ms. Allocated memory is still 656.4 MB. Free memory was 567.7 MB in the beginning and 550.1 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 50.3 GB. [2020-07-01 10:48:54,780 INFO L168 Benchmark]: TraceAbstraction took 175.13 ms. Allocated memory is still 656.4 MB. Free memory was 550.1 MB in the beginning and 535.3 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 50.3 GB. [2020-07-01 10:48:54,781 INFO L168 Benchmark]: BuchiAutomizer took 511.34 ms. Allocated memory is still 656.4 MB. Free memory was 535.3 MB in the beginning and 483.2 MB in the end (delta: 52.1 MB). Peak memory consumption was 52.1 MB. Max. memory is 50.3 GB. [2020-07-01 10:48:54,785 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 77 locations, 128 edges - StatisticsResult: Encoded RCFG 72 locations, 184 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 584.3 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 393.26 ms. Allocated memory was 649.6 MB in the beginning and 656.4 MB in the end (delta: 6.8 MB). Free memory was 559.2 MB in the beginning and 614.1 MB in the end (delta: -54.9 MB). Peak memory consumption was 28.4 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 53.23 ms. Allocated memory is still 656.4 MB. Free memory was 614.1 MB in the beginning and 611.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 35.72 ms. Allocated memory is still 656.4 MB. Free memory was 611.4 MB in the beginning and 608.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 50.3 GB. * RCFGBuilder took 502.08 ms. Allocated memory is still 656.4 MB. Free memory was 608.7 MB in the beginning and 567.7 MB in the end (delta: 41.0 MB). Peak memory consumption was 41.0 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 150.89 ms. Allocated memory is still 656.4 MB. Free memory was 567.7 MB in the beginning and 550.1 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 50.3 GB. * TraceAbstraction took 175.13 ms. Allocated memory is still 656.4 MB. Free memory was 550.1 MB in the beginning and 535.3 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 511.34 ms. Allocated memory is still 656.4 MB. Free memory was 535.3 MB in the beginning and 483.2 MB in the end (delta: 52.1 MB). Peak memory consumption was 52.1 MB. Max. memory is 50.3 GB. * 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. - InvariantResult [Line: 331]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 354]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 72 locations, 0 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 7 NumberOfFragments, 7 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.4s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.3s. 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: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 354]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {send1=0, alive2=0, send3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6f5241a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@35ce2e5e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3f93d2e0=0, p2_new=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1f592d35=0, mode1=0, id3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@473310b3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTUnaryExpression@4cae686d=0, p1=0, id1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@79bb2a25=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@54919471=0, p3=0, mode3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7b6baf0d=0, tmp=0, st2=0, p3_new=0, p1_old=0, arg=0, \result=0, p2_old=0, p1_new=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a3f6d06=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@30d9b214=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@707de329=0, alive3=0, r1=-1, \result=0, alive1=0, send2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5f227379=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@21718ec5=0, \old(arg)=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7518d208=0, mode2=0, id2=0, p2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3d6b1514=0, st3=0, st1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@12ae2ab3=0, p3_old=0, i2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6186dc9f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@40a3069d=0, c1=0, nomsg=-1} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 354]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L70] msg_t nomsg = (msg_t )-1; [L71] char r1 ; [L72] port_t p1 ; [L73] char p1_old ; [L74] char p1_new ; [L75] char id1 ; [L76] char st1 ; [L77] msg_t send1 ; [L78] _Bool mode1 ; [L79] _Bool alive1 ; [L80] port_t p2 ; [L81] char p2_old ; [L82] char p2_new ; [L83] char id2 ; [L84] char st2 ; [L85] msg_t send2 ; [L86] _Bool mode2 ; [L87] _Bool alive2 ; [L88] port_t p3 ; [L89] char p3_old ; [L90] char p3_new ; [L91] char id3 ; [L92] char st3 ; [L93] msg_t send3 ; [L94] _Bool mode3 ; [L95] _Bool alive3 ; [L201] void (*nodes[3])(void) = { & node1, & node2, & node3}; [L301] int c1 ; [L302] int i2 ; [L305] c1 = 0 [L306] r1 = __VERIFIER_nondet_char() [L307] id1 = __VERIFIER_nondet_char() [L308] st1 = __VERIFIER_nondet_char() [L309] send1 = __VERIFIER_nondet_msg_t() [L310] mode1 = __VERIFIER_nondet__Bool() [L311] alive1 = __VERIFIER_nondet__Bool() [L312] id2 = __VERIFIER_nondet_char() [L313] st2 = __VERIFIER_nondet_char() [L314] send2 = __VERIFIER_nondet_msg_t() [L315] mode2 = __VERIFIER_nondet__Bool() [L316] alive2 = __VERIFIER_nondet__Bool() [L317] id3 = __VERIFIER_nondet_char() [L318] st3 = __VERIFIER_nondet_char() [L319] send3 = __VERIFIER_nondet_msg_t() [L320] mode3 = __VERIFIER_nondet__Bool() [L321] alive3 = __VERIFIER_nondet__Bool() [L204] int tmp ; [L207] COND FALSE !((int )r1 == 0) [L274] tmp = 0 [L276] return (tmp); [L322] i2 = init() Loop: [L354] COND TRUE ! arg End of lasso representation. RESULT: Ultimate proved your program to be incorrect! !SESSION 2020-07-01 10:48:49.611 ----------------------------------------------- eclipse.buildId=unknown java.version=1.8.0_242 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox2/tmp/BenchExec_run_Ke_rhI/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-07-01 10:48:55.032 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check