/export/starexec/sandbox/solver/bin/starexec_run_default /export/starexec/sandbox/benchmark/theBenchmark.c /export/starexec/sandbox/output/output_files -------------------------------------------------------------------------------- Ultimate: Cannot open display: This is Ultimate 0.1.25-34f2e62 [2020-07-01 10:54:21,848 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-01 10:54:21,851 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-01 10:54:21,862 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-01 10:54:21,863 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-01 10:54:21,864 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-01 10:54:21,865 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-01 10:54:21,866 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-01 10:54:21,868 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-01 10:54:21,869 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-01 10:54:21,870 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-01 10:54:21,871 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-01 10:54:21,871 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-01 10:54:21,872 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-01 10:54:21,873 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-01 10:54:21,874 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-01 10:54:21,874 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-01 10:54:21,875 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-01 10:54:21,877 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-01 10:54:21,879 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-01 10:54:21,881 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-01 10:54:21,882 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-01 10:54:21,883 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-01 10:54:21,883 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-01 10:54:21,886 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-01 10:54:21,886 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-01 10:54:21,887 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-01 10:54:21,887 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-01 10:54:21,888 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-01 10:54:21,889 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-01 10:54:21,889 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-01 10:54:21,890 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-01 10:54:21,891 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-01 10:54:21,892 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-01 10:54:21,893 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-01 10:54:21,893 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-01 10:54:21,894 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-01 10:54:21,894 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-01 10:54:21,894 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-01 10:54:21,895 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-01 10:54:21,896 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-01 10:54:21,897 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf [2020-07-01 10:54:21,911 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-01 10:54:21,912 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-01 10:54:21,913 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-01 10:54:21,913 INFO L138 SettingsManager]: * Rewrite not-equals=true [2020-07-01 10:54:21,913 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-01 10:54:21,913 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-07-01 10:54:21,914 INFO L138 SettingsManager]: * Use SBE=true [2020-07-01 10:54:21,914 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-01 10:54:21,914 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-01 10:54:21,914 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-01 10:54:21,914 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-07-01 10:54:21,915 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-01 10:54:21,915 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-01 10:54:21,915 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2020-07-01 10:54:21,915 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 10:54:21,915 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-01 10:54:21,916 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-01 10:54:21,916 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-01 10:54:21,916 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-01 10:54:21,916 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-01 10:54:21,916 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-07-01 10:54:21,917 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-01 10:54:21,917 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-01 10:54:21,917 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-01 10:54:21,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 10:54:21,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-01 10:54:21,918 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-01 10:54:21,918 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-01 10:54:21,918 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-01 10:54:22,099 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-01 10:54:22,127 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-01 10:54:22,131 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-01 10:54:22,132 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-01 10:54:22,133 INFO L275 PluginConnector]: CDTParser initialized [2020-07-01 10:54:22,133 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c [2020-07-01 10:54:22,246 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/BenchExec_run_zZTOfz/tmp/5b97ab44fec4452b9debb84112402046/FLAG571676a93 [2020-07-01 10:54:22,616 INFO L306 CDTParser]: Found 1 translation units. [2020-07-01 10:54:22,616 INFO L160 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c [2020-07-01 10:54:22,624 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/BenchExec_run_zZTOfz/tmp/5b97ab44fec4452b9debb84112402046/FLAG571676a93 [2020-07-01 10:54:23,022 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/BenchExec_run_zZTOfz/tmp/5b97ab44fec4452b9debb84112402046 [2020-07-01 10:54:23,033 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-01 10:54:23,035 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-07-01 10:54:23,036 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-01 10:54:23,036 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-01 10:54:23,040 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-01 10:54:23,041 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 10:54:23" (1/1) ... [2020-07-01 10:54:23,044 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a37ad0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:54:23, skipping insertion in model container [2020-07-01 10:54:23,044 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 10:54:23" (1/1) ... [2020-07-01 10:54:23,052 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-01 10:54:23,070 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-01 10:54:23,291 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 10:54:23,295 INFO L203 MainTranslator]: Completed pre-run [2020-07-01 10:54:23,313 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 10:54:23,327 INFO L208 MainTranslator]: Completed translation [2020-07-01 10:54:23,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:54:23 WrapperNode [2020-07-01 10:54:23,328 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-01 10:54:23,329 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-01 10:54:23,329 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-01 10:54:23,329 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-01 10:54:23,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:54:23" (1/1) ... [2020-07-01 10:54:23,343 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:54:23" (1/1) ... [2020-07-01 10:54:23,362 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-01 10:54:23,362 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-01 10:54:23,362 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-01 10:54:23,362 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-01 10:54:23,371 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:54:23" (1/1) ... [2020-07-01 10:54:23,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:54:23" (1/1) ... [2020-07-01 10:54:23,372 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:54:23" (1/1) ... [2020-07-01 10:54:23,373 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:54:23" (1/1) ... [2020-07-01 10:54:23,375 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:54:23" (1/1) ... [2020-07-01 10:54:23,377 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:54:23" (1/1) ... [2020-07-01 10:54:23,378 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:54:23" (1/1) ... [2020-07-01 10:54:23,380 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-01 10:54:23,380 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-01 10:54:23,380 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-01 10:54:23,380 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-01 10:54:23,381 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:54:23" (1/1) ... No working directory specified, using /export/starexec/sandbox/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 10:54:23,446 INFO L130 BoogieDeclarations]: Found specification of procedure isEven [2020-07-01 10:54:23,447 INFO L138 BoogieDeclarations]: Found implementation of procedure isEven [2020-07-01 10:54:23,447 INFO L130 BoogieDeclarations]: Found specification of procedure isOdd [2020-07-01 10:54:23,447 INFO L138 BoogieDeclarations]: Found implementation of procedure isOdd [2020-07-01 10:54:23,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-01 10:54:23,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-01 10:54:23,618 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-01 10:54:23,618 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-07-01 10:54:23,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:54:23 BoogieIcfgContainer [2020-07-01 10:54:23,622 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-01 10:54:23,623 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-07-01 10:54:23,623 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-07-01 10:54:23,625 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2020-07-01 10:54:23,626 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:54:23" (1/1) ... [2020-07-01 10:54:23,640 INFO L313 BlockEncoder]: Initial Icfg 23 locations, 29 edges [2020-07-01 10:54:23,642 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-07-01 10:54:23,642 INFO L263 BlockEncoder]: Using Maximize final states [2020-07-01 10:54:23,643 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-07-01 10:54:23,643 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-07-01 10:54:23,645 INFO L296 BlockEncoder]: Using Remove sink states [2020-07-01 10:54:23,646 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-07-01 10:54:23,646 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-07-01 10:54:23,664 INFO L185 BlockEncoder]: Using Use SBE [2020-07-01 10:54:23,686 INFO L200 BlockEncoder]: SBE split 7 edges [2020-07-01 10:54:23,691 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-07-01 10:54:23,693 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 10:54:23,702 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2020-07-01 10:54:23,705 INFO L70 RemoveSinkStates]: Removed 11 edges and 5 locations by removing sink states [2020-07-01 10:54:23,707 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 10:54:23,707 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 10:54:23,713 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2020-07-01 10:54:23,713 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 10:54:23,714 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 10:54:23,714 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 10:54:23,714 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-07-01 10:54:23,715 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 10:54:23,715 INFO L313 BlockEncoder]: Encoded RCFG 16 locations, 24 edges [2020-07-01 10:54:23,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 10:54:23 BasicIcfg [2020-07-01 10:54:23,718 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-07-01 10:54:23,719 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-01 10:54:23,720 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-01 10:54:23,723 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-01 10:54:23,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.07 10:54:23" (1/4) ... [2020-07-01 10:54:23,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f99f3c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 10:54:23, skipping insertion in model container [2020-07-01 10:54:23,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:54:23" (2/4) ... [2020-07-01 10:54:23,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f99f3c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 10:54:23, skipping insertion in model container [2020-07-01 10:54:23,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:54:23" (3/4) ... [2020-07-01 10:54:23,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f99f3c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:54:23, skipping insertion in model container [2020-07-01 10:54:23,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 10:54:23" (4/4) ... [2020-07-01 10:54:23,727 INFO L109 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 10:54:23,738 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-07-01 10:54:23,745 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-07-01 10:54:23,758 INFO L251 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-07-01 10:54:23,782 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-01 10:54:23,782 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-01 10:54:23,782 INFO L377 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 10:54:23,782 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 10:54:23,782 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 10:54:23,782 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-01 10:54:23,783 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 10:54:23,783 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-01 10:54:23,800 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2020-07-01 10:54:23,806 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-01 10:54:23,813 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 16 states. [2020-07-01 10:54:23,875 INFO L271 CegarLoopResult]: At program point L32(line 32) the Hoare annotation is: true [2020-07-01 10:54:23,875 INFO L268 CegarLoopResult]: For program point L32-1(line 32) no Hoare annotation was computed. [2020-07-01 10:54:23,875 INFO L268 CegarLoopResult]: For program point L29(lines 29 33) no Hoare annotation was computed. [2020-07-01 10:54:23,875 INFO L268 CegarLoopResult]: For program point isEvenEXIT(lines 26 34) no Hoare annotation was computed. [2020-07-01 10:54:23,876 INFO L268 CegarLoopResult]: For program point L27(lines 27 33) no Hoare annotation was computed. [2020-07-01 10:54:23,876 INFO L268 CegarLoopResult]: For program point isEvenFINAL(lines 26 34) no Hoare annotation was computed. [2020-07-01 10:54:23,876 INFO L271 CegarLoopResult]: At program point isEvenENTRY(lines 26 34) the Hoare annotation is: true [2020-07-01 10:54:23,876 INFO L268 CegarLoopResult]: For program point L17(lines 17 23) no Hoare annotation was computed. [2020-07-01 10:54:23,876 INFO L268 CegarLoopResult]: For program point isOddFINAL(lines 16 24) no Hoare annotation was computed. [2020-07-01 10:54:23,876 INFO L271 CegarLoopResult]: At program point isOddENTRY(lines 16 24) the Hoare annotation is: true [2020-07-01 10:54:23,877 INFO L271 CegarLoopResult]: At program point L22(line 22) the Hoare annotation is: true [2020-07-01 10:54:23,877 INFO L268 CegarLoopResult]: For program point L22-1(line 22) no Hoare annotation was computed. [2020-07-01 10:54:23,877 INFO L268 CegarLoopResult]: For program point isOddEXIT(lines 16 24) no Hoare annotation was computed. [2020-07-01 10:54:23,877 INFO L268 CegarLoopResult]: For program point L19(lines 19 23) no Hoare annotation was computed. [2020-07-01 10:54:23,877 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-01 10:54:23,878 INFO L271 CegarLoopResult]: At program point L42(line 42) the Hoare annotation is: true [2020-07-01 10:54:23,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:54:23 BasicIcfg [2020-07-01 10:54:23,882 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-01 10:54:23,883 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-01 10:54:23,883 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-01 10:54:23,886 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-01 10:54:23,887 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:54:23,887 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.07 10:54:23" (1/5) ... [2020-07-01 10:54:23,888 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d66557b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 10:54:23, skipping insertion in model container [2020-07-01 10:54:23,888 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:54:23,888 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:54:23" (2/5) ... [2020-07-01 10:54:23,888 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d66557b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 10:54:23, skipping insertion in model container [2020-07-01 10:54:23,888 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:54:23,889 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:54:23" (3/5) ... [2020-07-01 10:54:23,889 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d66557b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 10:54:23, skipping insertion in model container [2020-07-01 10:54:23,889 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:54:23,889 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 10:54:23" (4/5) ... [2020-07-01 10:54:23,890 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d66557b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 10:54:23, skipping insertion in model container [2020-07-01 10:54:23,890 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:54:23,890 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:54:23" (5/5) ... [2020-07-01 10:54:23,891 INFO L371 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 10:54:23,920 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-01 10:54:23,921 INFO L357 BuchiCegarLoop]: Hoare is true [2020-07-01 10:54:23,921 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 10:54:23,921 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 10:54:23,921 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 10:54:23,921 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-01 10:54:23,921 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 10:54:23,922 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-01 10:54:23,925 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2020-07-01 10:54:23,944 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2020-07-01 10:54:23,944 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 10:54:23,944 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 10:54:23,951 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-01 10:54:23,952 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-07-01 10:54:23,952 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-01 10:54:23,952 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2020-07-01 10:54:23,954 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2020-07-01 10:54:23,954 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 10:54:23,954 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 10:54:23,954 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-01 10:54:23,954 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-07-01 10:54:23,959 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue [102] ULTIMATE.startENTRY-->L42: Formula: (<= 0 v_ULTIMATE.start_main_~n~0_9) InVars {} OutVars{ULTIMATE.start_main_~mod~0=v_ULTIMATE.start_main_~mod~0_5, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_9, ULTIMATE.start_main_#t~ret3=|v_ULTIMATE.start_main_#t~ret3_6|, ULTIMATE.start_main_~result~0=v_ULTIMATE.start_main_~result~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~mod~0, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~n~0, ULTIMATE.start_main_#t~ret3, ULTIMATE.start_main_~result~0] 9#L42true [61] L42-->isOddENTRY: Formula: (= |v_isOdd_#in~nInParam_2| v_ULTIMATE.start_main_~n~0_8) InVars {ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_8} OutVars{isOdd_#in~n=|v_isOdd_#in~nInParam_2|} AuxVars[] AssignedVars[isOdd_#in~n]< 16#isOddENTRYtrue [2020-07-01 10:54:23,960 INFO L796 eck$LassoCheckResult]: Loop: 16#isOddENTRYtrue [71] isOddENTRY-->L17: Formula: (= v_isOdd_~n_5 |v_isOdd_#in~n_1|) InVars {isOdd_#in~n=|v_isOdd_#in~n_1|} OutVars{isOdd_#in~n=|v_isOdd_#in~n_1|, isOdd_~n=v_isOdd_~n_5} AuxVars[] AssignedVars[isOdd_~n] 14#L17true [85] L17-->L19: Formula: (> 0 v_isOdd_~n_1) InVars {isOdd_~n=v_isOdd_~n_1} OutVars{isOdd_~n=v_isOdd_~n_1} AuxVars[] AssignedVars[] 10#L19true [87] L19-->L22: Formula: (< 1 v_isOdd_~n_3) InVars {isOdd_~n=v_isOdd_~n_3} OutVars{isOdd_~n=v_isOdd_~n_3} AuxVars[] AssignedVars[] 4#L22true [55] L22-->isEvenENTRY: Formula: (= |v_isEven_#in~nInParam_1| (+ v_isOdd_~n_7 (- 1))) InVars {isOdd_~n=v_isOdd_~n_7} OutVars{isEven_#in~n=|v_isEven_#in~nInParam_1|} AuxVars[] AssignedVars[isEven_#in~n]< 5#isEvenENTRYtrue [56] isEvenENTRY-->L27: Formula: (= v_isEven_~n_1 |v_isEven_#in~n_1|) InVars {isEven_#in~n=|v_isEven_#in~n_1|} OutVars{isEven_~n=v_isEven_~n_1, isEven_#in~n=|v_isEven_#in~n_1|} AuxVars[] AssignedVars[isEven_~n] 3#L27true [97] L27-->L29: Formula: (> 0 v_isEven_~n_3) InVars {isEven_~n=v_isEven_~n_3} OutVars{isEven_~n=v_isEven_~n_3} AuxVars[] AssignedVars[] 6#L29true [99] L29-->L32: Formula: (> 1 v_isEven_~n_5) InVars {isEven_~n=v_isEven_~n_5} OutVars{isEven_~n=v_isEven_~n_5} AuxVars[] AssignedVars[] 17#L32true [72] L32-->isOddENTRY: Formula: (= |v_isOdd_#in~nInParam_1| (+ v_isEven_~n_7 (- 1))) InVars {isEven_~n=v_isEven_~n_7} OutVars{isOdd_#in~n=|v_isOdd_#in~nInParam_1|} AuxVars[] AssignedVars[isOdd_#in~n]< 16#isOddENTRYtrue [2020-07-01 10:54:23,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 10:54:23,966 INFO L82 PathProgramCache]: Analyzing trace with hash 4184, now seen corresponding path program 1 times [2020-07-01 10:54:23,976 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 10:54:23,976 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239608954] [2020-07-01 10:54:23,976 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 10:54:24,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:54:24,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:54:24,049 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 10:54:24,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 10:54:24,050 INFO L82 PathProgramCache]: Analyzing trace with hash -1950276259, now seen corresponding path program 1 times [2020-07-01 10:54:24,050 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 10:54:24,050 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137453829] [2020-07-01 10:54:24,051 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 10:54:24,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 10:54:24,098 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 10:54:24,099 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137453829] [2020-07-01 10:54:24,100 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 10:54:24,100 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-01 10:54:24,100 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40848663] [2020-07-01 10:54:24,105 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-07-01 10:54:24,106 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 10:54:24,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-01 10:54:24,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-01 10:54:24,122 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 3 states. [2020-07-01 10:54:24,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 10:54:24,167 INFO L93 Difference]: Finished difference Result 21 states and 30 transitions. [2020-07-01 10:54:24,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-01 10:54:24,170 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 10:54:24,174 INFO L168 Benchmark]: Toolchain (without parser) took 1138.88 ms. Allocated memory was 649.6 MB in the beginning and 693.1 MB in the end (delta: 43.5 MB). Free memory was 563.1 MB in the beginning and 595.0 MB in the end (delta: -31.9 MB). Peak memory consumption was 11.6 MB. Max. memory is 50.3 GB. [2020-07-01 10:54:24,175 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 583.3 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-07-01 10:54:24,176 INFO L168 Benchmark]: CACSL2BoogieTranslator took 291.76 ms. Allocated memory was 649.6 MB in the beginning and 693.1 MB in the end (delta: 43.5 MB). Free memory was 561.7 MB in the beginning and 657.6 MB in the end (delta: -95.8 MB). Peak memory consumption was 28.6 MB. Max. memory is 50.3 GB. [2020-07-01 10:54:24,176 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.14 ms. Allocated memory is still 693.1 MB. Free memory was 657.6 MB in the beginning and 654.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 50.3 GB. [2020-07-01 10:54:24,177 INFO L168 Benchmark]: Boogie Preprocessor took 17.71 ms. Allocated memory is still 693.1 MB. Free memory was 654.9 MB in the beginning and 653.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. [2020-07-01 10:54:24,177 INFO L168 Benchmark]: RCFGBuilder took 242.63 ms. Allocated memory is still 693.1 MB. Free memory was 653.5 MB in the beginning and 636.8 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 50.3 GB. [2020-07-01 10:54:24,178 INFO L168 Benchmark]: BlockEncodingV2 took 95.38 ms. Allocated memory is still 693.1 MB. Free memory was 636.8 MB in the beginning and 630.1 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 50.3 GB. [2020-07-01 10:54:24,179 INFO L168 Benchmark]: TraceAbstraction took 162.52 ms. Allocated memory is still 693.1 MB. Free memory was 628.7 MB in the beginning and 619.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. [2020-07-01 10:54:24,179 INFO L168 Benchmark]: BuchiAutomizer took 289.30 ms. Allocated memory is still 693.1 MB. Free memory was 617.9 MB in the beginning and 595.0 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 50.3 GB. [2020-07-01 10:54:24,183 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 23 locations, 29 edges - StatisticsResult: Encoded RCFG 16 locations, 24 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 583.3 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 291.76 ms. Allocated memory was 649.6 MB in the beginning and 693.1 MB in the end (delta: 43.5 MB). Free memory was 561.7 MB in the beginning and 657.6 MB in the end (delta: -95.8 MB). Peak memory consumption was 28.6 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 33.14 ms. Allocated memory is still 693.1 MB. Free memory was 657.6 MB in the beginning and 654.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 17.71 ms. Allocated memory is still 693.1 MB. Free memory was 654.9 MB in the beginning and 653.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. * RCFGBuilder took 242.63 ms. Allocated memory is still 693.1 MB. Free memory was 653.5 MB in the beginning and 636.8 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 95.38 ms. Allocated memory is still 693.1 MB. Free memory was 636.8 MB in the beginning and 630.1 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 50.3 GB. * TraceAbstraction took 162.52 ms. Allocated memory is still 693.1 MB. Free memory was 628.7 MB in the beginning and 619.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 289.30 ms. Allocated memory is still 693.1 MB. Free memory was 617.9 MB in the beginning and 595.0 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 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, 16 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=16occurred 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 10:54:19.617 ----------------------------------------------- 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/sandbox/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/sandbox/tmp/BenchExec_run_zZTOfz/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-07-01 10:54:24.428 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check