/export/starexec/sandbox2/solver/bin/starexec_run_default /export/starexec/sandbox2/benchmark/theBenchmark.c /export/starexec/sandbox2/output/output_files -------------------------------------------------------------------------------- Ultimate: Cannot open display: This is Ultimate 0.1.25-34f2e62 [2020-07-01 11:34:21,778 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-01 11:34:21,781 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-01 11:34:21,792 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-01 11:34:21,792 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-01 11:34:21,793 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-01 11:34:21,794 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-01 11:34:21,796 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-01 11:34:21,797 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-01 11:34:21,798 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-01 11:34:21,799 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-01 11:34:21,800 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-01 11:34:21,800 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-01 11:34:21,801 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-01 11:34:21,802 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-01 11:34:21,803 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-01 11:34:21,804 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-01 11:34:21,805 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-01 11:34:21,807 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-01 11:34:21,808 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-01 11:34:21,810 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-01 11:34:21,811 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-01 11:34:21,812 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-01 11:34:21,813 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-01 11:34:21,815 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-01 11:34:21,815 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-01 11:34:21,815 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-01 11:34:21,816 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-01 11:34:21,817 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-01 11:34:21,817 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-01 11:34:21,818 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-01 11:34:21,818 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-01 11:34:21,819 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-01 11:34:21,820 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-01 11:34:21,821 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-01 11:34:21,821 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-01 11:34:21,821 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-01 11:34:21,822 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-01 11:34:21,822 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-01 11:34:21,823 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-01 11:34:21,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-01 11:34:21,824 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-07-01 11:34:21,838 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-01 11:34:21,838 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-01 11:34:21,840 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-01 11:34:21,840 INFO L138 SettingsManager]: * Rewrite not-equals=true [2020-07-01 11:34:21,840 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-01 11:34:21,840 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-07-01 11:34:21,840 INFO L138 SettingsManager]: * Use SBE=true [2020-07-01 11:34:21,841 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-01 11:34:21,841 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-01 11:34:21,841 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-01 11:34:21,841 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-07-01 11:34:21,841 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-01 11:34:21,841 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-01 11:34:21,842 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2020-07-01 11:34:21,842 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:34:21,842 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-01 11:34:21,842 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-01 11:34:21,842 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-01 11:34:21,843 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-01 11:34:21,843 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-01 11:34:21,843 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-07-01 11:34:21,843 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-01 11:34:21,843 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-01 11:34:21,843 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-01 11:34:21,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 11:34:21,844 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-01 11:34:21,844 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-01 11:34:21,844 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-01 11:34:21,844 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-01 11:34:22,011 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-01 11:34:22,025 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-01 11:34:22,029 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-01 11:34:22,030 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-01 11:34:22,030 INFO L275 PluginConnector]: CDTParser initialized [2020-07-01 11:34:22,031 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-07-01 11:34:22,089 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/BenchExec_run_yzMwkD/tmp/059b18ebb8f74488b9f735a2bb449976/FLAG70b3d9290 [2020-07-01 11:34:22,432 INFO L306 CDTParser]: Found 1 translation units. [2020-07-01 11:34:22,433 INFO L160 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-07-01 11:34:22,439 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/BenchExec_run_yzMwkD/tmp/059b18ebb8f74488b9f735a2bb449976/FLAG70b3d9290 [2020-07-01 11:34:22,839 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/BenchExec_run_yzMwkD/tmp/059b18ebb8f74488b9f735a2bb449976 [2020-07-01 11:34:22,850 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-01 11:34:22,852 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-07-01 11:34:22,853 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-01 11:34:22,853 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-01 11:34:22,857 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-01 11:34:22,858 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 11:34:22" (1/1) ... [2020-07-01 11:34:22,861 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bb4a2d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:34:22, skipping insertion in model container [2020-07-01 11:34:22,861 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 11:34:22" (1/1) ... [2020-07-01 11:34:22,869 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-01 11:34:22,886 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-01 11:34:23,102 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 11:34:23,106 INFO L203 MainTranslator]: Completed pre-run [2020-07-01 11:34:23,122 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 11:34:23,137 INFO L208 MainTranslator]: Completed translation [2020-07-01 11:34:23,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:34:23 WrapperNode [2020-07-01 11:34:23,137 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-01 11:34:23,138 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-01 11:34:23,138 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-01 11:34:23,138 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-01 11:34:23,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:34:23" (1/1) ... [2020-07-01 11:34:23,153 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:34:23" (1/1) ... [2020-07-01 11:34:23,171 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-01 11:34:23,171 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-01 11:34:23,171 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-01 11:34:23,171 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-01 11:34:23,181 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:34:23" (1/1) ... [2020-07-01 11:34:23,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:34:23" (1/1) ... [2020-07-01 11:34:23,182 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:34:23" (1/1) ... [2020-07-01 11:34:23,182 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:34:23" (1/1) ... [2020-07-01 11:34:23,184 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:34:23" (1/1) ... [2020-07-01 11:34:23,186 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:34:23" (1/1) ... [2020-07-01 11:34:23,187 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:34:23" (1/1) ... [2020-07-01 11:34:23,188 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-01 11:34:23,189 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-01 11:34:23,189 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-01 11:34:23,189 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-01 11:34:23,190 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:34:23" (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 11:34:23,260 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-07-01 11:34:23,260 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-07-01 11:34:23,260 INFO L130 BoogieDeclarations]: Found specification of procedure g [2020-07-01 11:34:23,260 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2020-07-01 11:34:23,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-01 11:34:23,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-01 11:34:23,413 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-01 11:34:23,413 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-07-01 11:34:23,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:34:23 BoogieIcfgContainer [2020-07-01 11:34:23,417 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-01 11:34:23,418 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-07-01 11:34:23,418 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-07-01 11:34:23,420 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2020-07-01 11:34:23,421 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:34:23" (1/1) ... [2020-07-01 11:34:23,436 INFO L313 BlockEncoder]: Initial Icfg 19 locations, 21 edges [2020-07-01 11:34:23,437 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-07-01 11:34:23,438 INFO L263 BlockEncoder]: Using Maximize final states [2020-07-01 11:34:23,438 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-07-01 11:34:23,439 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-07-01 11:34:23,440 INFO L296 BlockEncoder]: Using Remove sink states [2020-07-01 11:34:23,441 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-07-01 11:34:23,441 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-07-01 11:34:23,455 INFO L185 BlockEncoder]: Using Use SBE [2020-07-01 11:34:23,470 INFO L200 BlockEncoder]: SBE split 2 edges [2020-07-01 11:34:23,475 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 11:34:23,477 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 11:34:23,489 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2020-07-01 11:34:23,491 INFO L70 RemoveSinkStates]: Removed 5 edges and 3 locations by removing sink states [2020-07-01 11:34:23,493 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 11:34:23,493 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 11:34:23,499 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2020-07-01 11:34:23,499 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 11:34:23,500 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 11:34:23,500 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 11:34:23,500 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-07-01 11:34:23,501 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 11:34:23,501 INFO L313 BlockEncoder]: Encoded RCFG 12 locations, 14 edges [2020-07-01 11:34:23,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 11:34:23 BasicIcfg [2020-07-01 11:34:23,502 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-07-01 11:34:23,503 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-01 11:34:23,503 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-01 11:34:23,506 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-01 11:34:23,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.07 11:34:22" (1/4) ... [2020-07-01 11:34:23,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@494a4249 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 11:34:23, skipping insertion in model container [2020-07-01 11:34:23,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:34:23" (2/4) ... [2020-07-01 11:34:23,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@494a4249 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 11:34:23, skipping insertion in model container [2020-07-01 11:34:23,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:34:23" (3/4) ... [2020-07-01 11:34:23,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@494a4249 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 11:34:23, skipping insertion in model container [2020-07-01 11:34:23,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 11:34:23" (4/4) ... [2020-07-01 11:34:23,511 INFO L109 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 11:34:23,522 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-07-01 11:34:23,529 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-07-01 11:34:23,545 INFO L251 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-07-01 11:34:23,568 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-01 11:34:23,569 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-01 11:34:23,569 INFO L377 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 11:34:23,569 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 11:34:23,569 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 11:34:23,569 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-01 11:34:23,570 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 11:34:23,570 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-01 11:34:23,587 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2020-07-01 11:34:23,592 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-01 11:34:23,598 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 12 states. [2020-07-01 11:34:23,661 INFO L268 CegarLoopResult]: For program point fEXIT(lines 17 23) no Hoare annotation was computed. [2020-07-01 11:34:23,662 INFO L271 CegarLoopResult]: At program point fENTRY(lines 17 23) the Hoare annotation is: true [2020-07-01 11:34:23,662 INFO L271 CegarLoopResult]: At program point L21(line 21) the Hoare annotation is: true [2020-07-01 11:34:23,662 INFO L268 CegarLoopResult]: For program point fFINAL(lines 17 23) no Hoare annotation was computed. [2020-07-01 11:34:23,662 INFO L268 CegarLoopResult]: For program point L21-1(line 21) no Hoare annotation was computed. [2020-07-01 11:34:23,663 INFO L268 CegarLoopResult]: For program point L18(lines 18 22) no Hoare annotation was computed. [2020-07-01 11:34:23,663 INFO L271 CegarLoopResult]: At program point L26(line 26) the Hoare annotation is: true [2020-07-01 11:34:23,663 INFO L268 CegarLoopResult]: For program point L26-1(line 26) no Hoare annotation was computed. [2020-07-01 11:34:23,663 INFO L268 CegarLoopResult]: For program point gEXIT(lines 25 27) no Hoare annotation was computed. [2020-07-01 11:34:23,663 INFO L271 CegarLoopResult]: At program point gENTRY(lines 25 27) the Hoare annotation is: true [2020-07-01 11:34:23,664 INFO L271 CegarLoopResult]: At program point L33(line 33) the Hoare annotation is: true [2020-07-01 11:34:23,664 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-01 11:34:23,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 11:34:23 BasicIcfg [2020-07-01 11:34:23,668 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-01 11:34:23,668 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-01 11:34:23,669 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-01 11:34:23,673 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-01 11:34:23,674 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:34:23,674 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.07 11:34:22" (1/5) ... [2020-07-01 11:34:23,675 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@195e877b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 11:34:23, skipping insertion in model container [2020-07-01 11:34:23,675 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:34:23,675 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:34:23" (2/5) ... [2020-07-01 11:34:23,675 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@195e877b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 11:34:23, skipping insertion in model container [2020-07-01 11:34:23,675 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:34:23,675 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:34:23" (3/5) ... [2020-07-01 11:34:23,676 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@195e877b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 11:34:23, skipping insertion in model container [2020-07-01 11:34:23,676 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:34:23,676 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 11:34:23" (4/5) ... [2020-07-01 11:34:23,676 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@195e877b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 11:34:23, skipping insertion in model container [2020-07-01 11:34:23,677 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:34:23,677 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 11:34:23" (5/5) ... [2020-07-01 11:34:23,678 INFO L371 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 11:34:23,707 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-01 11:34:23,707 INFO L357 BuchiCegarLoop]: Hoare is true [2020-07-01 11:34:23,707 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 11:34:23,707 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 11:34:23,707 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 11:34:23,708 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-01 11:34:23,708 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 11:34:23,708 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-01 11:34:23,712 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-07-01 11:34:23,730 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-07-01 11:34:23,730 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 11:34:23,730 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 11:34:23,737 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-01 11:34:23,737 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-07-01 11:34:23,737 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-01 11:34:23,738 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-07-01 11:34:23,739 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-07-01 11:34:23,739 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 11:34:23,739 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 11:34:23,739 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-01 11:34:23,740 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-07-01 11:34:23,745 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [62] ULTIMATE.startENTRY-->L33: Formula: (and (<= 0 v_ULTIMATE.start_main_~i~0_8) (<= 0 v_ULTIMATE.start_main_~x~0_8)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_6|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_#t~ret4=|v_ULTIMATE.start_main_#t~ret4_5|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_#t~ret4] 7#L33true [45] L33-->fENTRY: Formula: (and (= |v_f_#in~iInParam_2| v_ULTIMATE.start_main_~i~0_7) (= |v_f_#in~xInParam_2| v_ULTIMATE.start_main_~x~0_7)) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{f_#in~i=|v_f_#in~iInParam_2|, f_#in~x=|v_f_#in~xInParam_2|} AuxVars[] AssignedVars[f_#in~i, f_#in~x]< 8#fENTRYtrue [2020-07-01 11:34:23,745 INFO L796 eck$LassoCheckResult]: Loop: 8#fENTRYtrue [44] fENTRY-->L18: Formula: (and (= v_f_~x_1 |v_f_#in~x_1|) (= v_f_~i_1 |v_f_#in~i_1|)) InVars {f_#in~x=|v_f_#in~x_1|, f_#in~i=|v_f_#in~i_1|} OutVars{f_~i=v_f_~i_1, f_#in~x=|v_f_#in~x_1|, f_#in~i=|v_f_#in~i_1|, f_~x=v_f_~x_1} AuxVars[] AssignedVars[f_~i, f_~x] 12#L18true [57] L18-->L21: Formula: (> 0 v_f_~i_3) InVars {f_~i=v_f_~i_3} OutVars{f_~i=v_f_~i_3} AuxVars[] AssignedVars[] 3#L21true [32] L21-->gENTRY: Formula: (and (= |v_g_#in~aInParam_1| (+ v_f_~i_5 (- 1))) (= |v_g_#in~cInParam_1| v_f_~i_5) (= |v_g_#in~bInParam_1| v_f_~x_4)) InVars {f_~i=v_f_~i_5, f_~x=v_f_~x_4} OutVars{g_#in~a=|v_g_#in~aInParam_1|, g_#in~b=|v_g_#in~bInParam_1|, g_#in~c=|v_g_#in~cInParam_1|} AuxVars[] AssignedVars[g_#in~a, g_#in~b, g_#in~c]< 5#gENTRYtrue [43] gENTRY-->L26: Formula: (and (= v_g_~a_1 |v_g_#in~a_1|) (= v_g_~c_1 |v_g_#in~c_1|) (= v_g_~b_1 |v_g_#in~b_1|)) InVars {g_#in~a=|v_g_#in~a_1|, g_#in~b=|v_g_#in~b_1|, g_#in~c=|v_g_#in~c_1|} OutVars{g_#in~a=|v_g_#in~a_1|, g_~c=v_g_~c_1, g_#in~b=|v_g_#in~b_1|, g_#in~c=|v_g_#in~c_1|, g_~b=v_g_~b_1, g_~a=v_g_~a_1} AuxVars[] AssignedVars[g_~c, g_~b, g_~a] 10#L26true [46] L26-->fENTRY: Formula: (and (= |v_f_#in~xInParam_1| (+ v_g_~b_3 v_g_~c_3)) (= |v_f_#in~iInParam_1| v_g_~a_3)) InVars {g_~c=v_g_~c_3, g_~b=v_g_~b_3, g_~a=v_g_~a_3} OutVars{f_#in~i=|v_f_#in~iInParam_1|, f_#in~x=|v_f_#in~xInParam_1|} AuxVars[] AssignedVars[f_#in~i, f_#in~x]< 8#fENTRYtrue [2020-07-01 11:34:23,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 11:34:23,752 INFO L82 PathProgramCache]: Analyzing trace with hash 2928, now seen corresponding path program 1 times [2020-07-01 11:34:23,761 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 11:34:23,761 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768174824] [2020-07-01 11:34:23,762 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 11:34:23,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:34:23,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:34:23,836 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 11:34:23,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 11:34:23,837 INFO L82 PathProgramCache]: Analyzing trace with hash 70994293, now seen corresponding path program 1 times [2020-07-01 11:34:23,837 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 11:34:23,838 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563211348] [2020-07-01 11:34:23,838 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 11:34:23,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:34:23,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:34:23,865 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 11:34:23,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 11:34:23,868 INFO L82 PathProgramCache]: Analyzing trace with hash -2030826650, now seen corresponding path program 1 times [2020-07-01 11:34:23,868 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 11:34:23,868 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703424155] [2020-07-01 11:34:23,868 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 11:34:23,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 11:34:23,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-01 11:34:23,934 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703424155] [2020-07-01 11:34:23,934 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 11:34:23,935 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-01 11:34:23,935 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791563717] [2020-07-01 11:34:24,117 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 11:34:24,118 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 11:34:24,118 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 11:34:24,118 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 11:34:24,118 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-01 11:34:24,118 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:34:24,118 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 11:34:24,118 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 11:34:24,119 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-07-01 11:34:24,119 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 11:34:24,119 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 11:34:24,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:34:24,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:34:24,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:34:24,148 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:34:24,151 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:34:24,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:34:24,167 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:34:24,170 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:34:24,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:34:24,178 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:34:24,181 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:34:24,183 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:34:24,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:34:24,281 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 11:34:24,281 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:34:24,290 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 11:34:24,290 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 11:34:24,299 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 11:34:24,300 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {g_#res=0} Honda state: {g_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:34:24,350 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 11:34:24,350 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 11:34:24,354 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 11:34:24,355 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {g_~b=0} Honda state: {g_~b=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:34:24,387 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 11:34:24,387 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 11:34:24,391 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 11:34:24,391 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {g_~c=0} Honda state: {g_~c=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:34:24,424 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 11:34:24,424 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 11:34:24,428 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 11:34:24,428 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {g_~a=0} Honda state: {g_~a=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:34:24,461 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 11:34:24,462 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:34:24,500 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-01 11:34:24,500 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 11:34:24,591 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 11:34:24,592 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {f_#in~x=0, f_#in~i=-4} Honda state: {f_#in~x=0, f_#in~i=-4} Generalized eigenvectors: [{f_#in~x=-1, f_#in~i=-1}, {f_#in~x=-1, f_#in~i=0}, {f_#in~x=-2, f_#in~i=0}] Lambdas: [1, 1, 1] Nus: [1, 0] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:34:24,625 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 11:34:24,625 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 11:34:24,628 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 11:34:24,629 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {g_#in~b=0} Honda state: {g_#in~b=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:34:24,661 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 11:34:24,661 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 11:34:24,665 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 11:34:24,665 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {g_#t~ret1=0} Honda state: {g_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:34:24,697 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 11:34:24,697 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 11:34:24,700 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 11:34:24,700 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {f_#res=0} Honda state: {f_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:34:24,732 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 11:34:24,733 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 11:34:24,736 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 11:34:24,736 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {f_#t~ret0=0} Honda state: {f_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:34:24,769 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 11:34:24,769 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 11:34:24,773 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 11:34:24,773 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {f_~x=0} Honda state: {f_~x=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:34:24,805 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 11:34:24,806 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 11:34:24,809 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 11:34:24,809 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {g_#in~a=0} Honda state: {g_#in~a=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:34:24,842 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 11:34:24,842 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 11:34:24,846 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 11:34:24,846 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {f_~i=0} Honda state: {f_~i=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:34:24,878 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 11:34:24,878 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 11:34:24,882 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 11:34:24,882 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {g_#in~c=0} Honda state: {g_#in~c=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2020-07-01 11:34:24,913 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 11:34:24,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-01 11:34:24,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-01 11:34:24,929 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 5 states. [2020-07-01 11:34:24,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 11:34:24,991 INFO L93 Difference]: Finished difference Result 22 states and 26 transitions. [2020-07-01 11:34:24,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-01 11:34:24,994 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: unknown kind of automaton at de.uni_freiburg.informatik.ultimate.automata.AutomatonDefinitionPrinter.printAutomaton(AutomatonDefinitionPrinter.java:349) at de.uni_freiburg.informatik.ultimate.automata.AutomatonDefinitionPrinter.toString(AutomatonDefinitionPrinter.java:186) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.TermcompProofBenchmark.reportFiniteModule(TermcompProofBenchmark.java:61) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.refineFinite(BuchiCegarLoop.java:978) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:532) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:380) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-01 11:34:24,999 INFO L168 Benchmark]: Toolchain (without parser) took 2145.67 ms. Allocated memory was 649.6 MB in the beginning and 677.9 MB in the end (delta: 28.3 MB). Free memory was 561.8 MB in the beginning and 481.8 MB in the end (delta: 79.9 MB). Peak memory consumption was 108.3 MB. Max. memory is 50.3 GB. [2020-07-01 11:34:25,000 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 649.6 MB. Free memory is still 584.4 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-07-01 11:34:25,000 INFO L168 Benchmark]: CACSL2BoogieTranslator took 284.38 ms. Allocated memory was 649.6 MB in the beginning and 677.9 MB in the end (delta: 28.3 MB). Free memory was 561.8 MB in the beginning and 641.3 MB in the end (delta: -79.5 MB). Peak memory consumption was 28.5 MB. Max. memory is 50.3 GB. [2020-07-01 11:34:25,001 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.82 ms. Allocated memory is still 677.9 MB. Free memory was 641.3 MB in the beginning and 640.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. [2020-07-01 11:34:25,002 INFO L168 Benchmark]: Boogie Preprocessor took 17.16 ms. Allocated memory is still 677.9 MB. Free memory was 640.0 MB in the beginning and 638.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. [2020-07-01 11:34:25,002 INFO L168 Benchmark]: RCFGBuilder took 228.82 ms. Allocated memory is still 677.9 MB. Free memory was 638.6 MB in the beginning and 622.8 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 50.3 GB. [2020-07-01 11:34:25,003 INFO L168 Benchmark]: BlockEncodingV2 took 84.22 ms. Allocated memory is still 677.9 MB. Free memory was 622.8 MB in the beginning and 615.0 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 50.3 GB. [2020-07-01 11:34:25,003 INFO L168 Benchmark]: TraceAbstraction took 164.78 ms. Allocated memory is still 677.9 MB. Free memory was 615.0 MB in the beginning and 604.1 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 50.3 GB. [2020-07-01 11:34:25,004 INFO L168 Benchmark]: BuchiAutomizer took 1327.47 ms. Allocated memory is still 677.9 MB. Free memory was 604.1 MB in the beginning and 481.8 MB in the end (delta: 122.3 MB). Peak memory consumption was 122.3 MB. Max. memory is 50.3 GB. [2020-07-01 11:34:25,008 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 19 locations, 21 edges - StatisticsResult: Encoded RCFG 12 locations, 14 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 649.6 MB. Free memory is still 584.4 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 284.38 ms. Allocated memory was 649.6 MB in the beginning and 677.9 MB in the end (delta: 28.3 MB). Free memory was 561.8 MB in the beginning and 641.3 MB in the end (delta: -79.5 MB). Peak memory consumption was 28.5 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 32.82 ms. Allocated memory is still 677.9 MB. Free memory was 641.3 MB in the beginning and 640.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 17.16 ms. Allocated memory is still 677.9 MB. Free memory was 640.0 MB in the beginning and 638.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. * RCFGBuilder took 228.82 ms. Allocated memory is still 677.9 MB. Free memory was 638.6 MB in the beginning and 622.8 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 84.22 ms. Allocated memory is still 677.9 MB. Free memory was 622.8 MB in the beginning and 615.0 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 50.3 GB. * TraceAbstraction took 164.78 ms. Allocated memory is still 677.9 MB. Free memory was 615.0 MB in the beginning and 604.1 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 1327.47 ms. Allocated memory is still 677.9 MB. Free memory was 604.1 MB in the beginning and 481.8 MB in the end (delta: 122.3 MB). Peak memory consumption was 122.3 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. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 12 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=12occurred 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, 5 LocationsWithAnnotation, 7 PreInvPairs, 7 NumberOfFragments, 5 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: unknown kind of automaton de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: unknown kind of automaton: de.uni_freiburg.informatik.ultimate.automata.AutomatonDefinitionPrinter.printAutomaton(AutomatonDefinitionPrinter.java:349) RESULT: Ultimate could not prove your program: Toolchain returned no result. !SESSION 2020-07-01 11:34:19.573 ----------------------------------------------- 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_yzMwkD/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-07-01 11:34:25.242 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check