/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 10:58:35,606 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-01 10:58:35,608 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-01 10:58:35,620 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-01 10:58:35,620 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-01 10:58:35,621 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-01 10:58:35,622 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-01 10:58:35,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-01 10:58:35,625 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-01 10:58:35,626 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-01 10:58:35,627 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-01 10:58:35,628 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-01 10:58:35,628 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-01 10:58:35,629 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-01 10:58:35,630 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-01 10:58:35,631 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-01 10:58:35,632 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-01 10:58:35,633 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-01 10:58:35,634 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-01 10:58:35,636 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-01 10:58:35,637 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-01 10:58:35,638 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-01 10:58:35,640 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-01 10:58:35,640 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-01 10:58:35,643 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-01 10:58:35,643 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-01 10:58:35,643 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-01 10:58:35,644 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-01 10:58:35,644 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-01 10:58:35,645 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-01 10:58:35,645 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-01 10:58:35,646 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-01 10:58:35,647 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-01 10:58:35,647 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-01 10:58:35,648 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-01 10:58:35,649 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-01 10:58:35,649 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-01 10:58:35,649 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-01 10:58:35,650 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-01 10:58:35,650 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-01 10:58:35,651 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-01 10:58:35,652 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-07-01 10:58:35,666 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-01 10:58:35,666 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-01 10:58:35,667 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-01 10:58:35,668 INFO L138 SettingsManager]: * Rewrite not-equals=true [2020-07-01 10:58:35,668 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-01 10:58:35,668 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-07-01 10:58:35,668 INFO L138 SettingsManager]: * Use SBE=true [2020-07-01 10:58:35,668 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-01 10:58:35,669 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-01 10:58:35,669 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-01 10:58:35,669 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-07-01 10:58:35,669 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-01 10:58:35,669 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-01 10:58:35,669 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2020-07-01 10:58:35,670 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 10:58:35,670 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-01 10:58:35,670 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-01 10:58:35,670 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-01 10:58:35,670 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-01 10:58:35,671 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-01 10:58:35,671 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-07-01 10:58:35,671 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-01 10:58:35,671 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-01 10:58:35,671 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-01 10:58:35,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 10:58:35,672 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-01 10:58:35,672 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-01 10:58:35,672 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-01 10:58:35,672 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-01 10:58:35,834 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-01 10:58:35,848 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-01 10:58:35,852 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-01 10:58:35,853 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-01 10:58:35,853 INFO L275 PluginConnector]: CDTParser initialized [2020-07-01 10:58:35,854 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-07-01 10:58:35,920 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/BenchExec_run_Awzczt/tmp/3b042703019f41b9a12d3edc6958feb9/FLAGf8491f771 [2020-07-01 10:58:36,254 INFO L306 CDTParser]: Found 1 translation units. [2020-07-01 10:58:36,255 INFO L160 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-07-01 10:58:36,262 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/BenchExec_run_Awzczt/tmp/3b042703019f41b9a12d3edc6958feb9/FLAGf8491f771 [2020-07-01 10:58:36,654 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/BenchExec_run_Awzczt/tmp/3b042703019f41b9a12d3edc6958feb9 [2020-07-01 10:58:36,665 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-01 10:58:36,667 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-07-01 10:58:36,668 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-01 10:58:36,668 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-01 10:58:36,672 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-01 10:58:36,673 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 10:58:36" (1/1) ... [2020-07-01 10:58:36,676 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61a92508 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:58:36, skipping insertion in model container [2020-07-01 10:58:36,676 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 10:58:36" (1/1) ... [2020-07-01 10:58:36,684 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-01 10:58:36,702 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-01 10:58:36,930 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 10:58:36,935 INFO L203 MainTranslator]: Completed pre-run [2020-07-01 10:58:36,951 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 10:58:36,966 INFO L208 MainTranslator]: Completed translation [2020-07-01 10:58:36,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:58:36 WrapperNode [2020-07-01 10:58:36,966 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-01 10:58:36,967 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-01 10:58:36,967 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-01 10:58:36,968 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-01 10:58:36,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:58:36" (1/1) ... [2020-07-01 10:58:36,983 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:58:36" (1/1) ... [2020-07-01 10:58:37,002 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-01 10:58:37,002 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-01 10:58:37,002 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-01 10:58:37,003 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-01 10:58:37,012 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:58:36" (1/1) ... [2020-07-01 10:58:37,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:58:36" (1/1) ... [2020-07-01 10:58:37,013 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:58:36" (1/1) ... [2020-07-01 10:58:37,013 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:58:36" (1/1) ... [2020-07-01 10:58:37,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:58:36" (1/1) ... [2020-07-01 10:58:37,017 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:58:36" (1/1) ... [2020-07-01 10:58:37,018 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:58:36" (1/1) ... [2020-07-01 10:58:37,019 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-01 10:58:37,020 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-01 10:58:37,020 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-01 10:58:37,020 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-01 10:58:37,021 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:58:36" (1/1) ... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 10:58:37,096 INFO L130 BoogieDeclarations]: Found specification of procedure A [2020-07-01 10:58:37,096 INFO L138 BoogieDeclarations]: Found implementation of procedure A [2020-07-01 10:58:37,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-01 10:58:37,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-01 10:58:37,242 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-01 10:58:37,242 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-07-01 10:58:37,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:58:37 BoogieIcfgContainer [2020-07-01 10:58:37,246 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-01 10:58:37,246 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-07-01 10:58:37,247 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-07-01 10:58:37,249 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2020-07-01 10:58:37,250 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:58:37" (1/1) ... [2020-07-01 10:58:37,265 INFO L313 BlockEncoder]: Initial Icfg 17 locations, 20 edges [2020-07-01 10:58:37,267 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-07-01 10:58:37,268 INFO L263 BlockEncoder]: Using Maximize final states [2020-07-01 10:58:37,268 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-07-01 10:58:37,269 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-07-01 10:58:37,271 INFO L296 BlockEncoder]: Using Remove sink states [2020-07-01 10:58:37,271 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-07-01 10:58:37,272 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-07-01 10:58:37,288 INFO L185 BlockEncoder]: Using Use SBE [2020-07-01 10:58:37,307 INFO L200 BlockEncoder]: SBE split 3 edges [2020-07-01 10:58:37,312 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-07-01 10:58:37,313 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 10:58:37,324 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2020-07-01 10:58:37,326 INFO L70 RemoveSinkStates]: Removed 5 edges and 4 locations by removing sink states [2020-07-01 10:58:37,328 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 10:58:37,328 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 10:58:37,329 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-07-01 10:58:37,329 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 10:58:37,330 INFO L313 BlockEncoder]: Encoded RCFG 11 locations, 16 edges [2020-07-01 10:58:37,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 10:58:37 BasicIcfg [2020-07-01 10:58:37,330 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-07-01 10:58:37,332 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-01 10:58:37,332 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-01 10:58:37,335 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-01 10:58:37,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.07 10:58:36" (1/4) ... [2020-07-01 10:58:37,336 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@464313de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 10:58:37, skipping insertion in model container [2020-07-01 10:58:37,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:58:36" (2/4) ... [2020-07-01 10:58:37,337 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@464313de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 10:58:37, skipping insertion in model container [2020-07-01 10:58:37,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:58:37" (3/4) ... [2020-07-01 10:58:37,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@464313de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:58:37, skipping insertion in model container [2020-07-01 10:58:37,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 10:58:37" (4/4) ... [2020-07-01 10:58:37,340 INFO L109 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 10:58:37,350 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-07-01 10:58:37,358 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-07-01 10:58:37,375 INFO L251 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-07-01 10:58:37,399 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-01 10:58:37,400 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-01 10:58:37,400 INFO L377 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 10:58:37,400 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 10:58:37,400 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 10:58:37,400 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-01 10:58:37,401 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 10:58:37,401 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-01 10:58:37,418 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2020-07-01 10:58:37,424 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-01 10:58:37,430 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 11 states. [2020-07-01 10:58:37,497 INFO L268 CegarLoopResult]: For program point L17(lines 17 21) no Hoare annotation was computed. [2020-07-01 10:58:37,497 INFO L268 CegarLoopResult]: For program point L18-1(line 18) no Hoare annotation was computed. [2020-07-01 10:58:37,497 INFO L268 CegarLoopResult]: For program point L17-2(lines 16 22) no Hoare annotation was computed. [2020-07-01 10:58:37,498 INFO L271 CegarLoopResult]: At program point AENTRY(lines 16 22) the Hoare annotation is: true [2020-07-01 10:58:37,498 INFO L268 CegarLoopResult]: For program point AEXIT(lines 16 22) no Hoare annotation was computed. [2020-07-01 10:58:37,498 INFO L271 CegarLoopResult]: At program point L18(line 18) the Hoare annotation is: true [2020-07-01 10:58:37,498 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-01 10:58:37,499 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-01 10:58:37,499 INFO L271 CegarLoopResult]: At program point L29(line 29) the Hoare annotation is: true [2020-07-01 10:58:37,499 INFO L271 CegarLoopResult]: At program point L28(line 28) the Hoare annotation is: true [2020-07-01 10:58:37,499 INFO L268 CegarLoopResult]: For program point L28-1(line 28) no Hoare annotation was computed. [2020-07-01 10:58:37,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:58:37 BasicIcfg [2020-07-01 10:58:37,503 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-01 10:58:37,504 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-01 10:58:37,504 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-01 10:58:37,508 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-01 10:58:37,509 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:58:37,509 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.07 10:58:36" (1/5) ... [2020-07-01 10:58:37,509 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@251997b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 10:58:37, skipping insertion in model container [2020-07-01 10:58:37,510 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:58:37,510 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:58:36" (2/5) ... [2020-07-01 10:58:37,510 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@251997b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 10:58:37, skipping insertion in model container [2020-07-01 10:58:37,510 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:58:37,510 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:58:37" (3/5) ... [2020-07-01 10:58:37,511 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@251997b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 10:58:37, skipping insertion in model container [2020-07-01 10:58:37,511 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:58:37,511 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 10:58:37" (4/5) ... [2020-07-01 10:58:37,511 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@251997b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 10:58:37, skipping insertion in model container [2020-07-01 10:58:37,512 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:58:37,512 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:58:37" (5/5) ... [2020-07-01 10:58:37,513 INFO L371 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 10:58:37,541 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-01 10:58:37,542 INFO L357 BuchiCegarLoop]: Hoare is true [2020-07-01 10:58:37,542 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 10:58:37,542 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 10:58:37,542 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 10:58:37,542 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-01 10:58:37,542 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 10:58:37,543 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-01 10:58:37,546 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-07-01 10:58:37,566 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-01 10:58:37,567 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 10:58:37,567 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 10:58:37,574 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-07-01 10:58:37,574 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-01 10:58:37,574 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-01 10:58:37,574 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-07-01 10:58:37,576 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-01 10:58:37,576 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 10:58:37,576 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 10:58:37,576 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-07-01 10:58:37,577 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-01 10:58:37,582 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue [43] ULTIMATE.startENTRY-->L-1: Formula: (= v_~g~0_4 0) InVars {} OutVars{~g~0=v_~g~0_4} AuxVars[] AssignedVars[~g~0] 3#L-1true [58] L-1-->L28: Formula: (and (= 0 v_ULTIMATE.start_main_~h~0_1) (= v_ULTIMATE.start_main_~g~1_3 |v_ULTIMATE.start_main_#t~nondet1_9|) (< 0 v_ULTIMATE.start_main_~g~1_3)) InVars {} OutVars{ULTIMATE.start_main_#t~ret2=|v_ULTIMATE.start_main_#t~ret2_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|, ULTIMATE.start_main_~h~0=v_ULTIMATE.start_main_~h~0_1, ULTIMATE.start_main_~g~1=v_ULTIMATE.start_main_~g~1_3, ULTIMATE.start_main_#t~ret3=|v_ULTIMATE.start_main_#t~ret3_2|} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_9|] AssignedVars[ULTIMATE.start_main_#t~ret2, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~h~0, ULTIMATE.start_main_~g~1, ULTIMATE.start_main_#t~ret3] 9#L28true [34] L28-->AENTRY: Formula: (and (= |v_A_#in~a2InParam_2| v_ULTIMATE.start_main_~h~0_6) (= |v_A_#in~a1InParam_2| v_ULTIMATE.start_main_~g~1_8)) InVars {ULTIMATE.start_main_~g~1=v_ULTIMATE.start_main_~g~1_8, ULTIMATE.start_main_~h~0=v_ULTIMATE.start_main_~h~0_6} OutVars{A_#in~a1=|v_A_#in~a1InParam_2|, A_#in~a2=|v_A_#in~a2InParam_2|} AuxVars[] AssignedVars[A_#in~a1, A_#in~a2]< 10#AENTRYtrue [2020-07-01 10:58:37,582 INFO L796 eck$LassoCheckResult]: Loop: 10#AENTRYtrue [36] AENTRY-->L17: Formula: (and (= v_A_~a1_1 |v_A_#in~a1_1|) (= v_A_~a2_1 |v_A_#in~a2_1|)) InVars {A_#in~a1=|v_A_#in~a1_1|, A_#in~a2=|v_A_#in~a2_1|} OutVars{A_#in~a1=|v_A_#in~a1_1|, A_#in~a2=|v_A_#in~a2_1|, A_~a1=v_A_~a1_1, A_~a2=v_A_~a2_1} AuxVars[] AssignedVars[A_~a1, A_~a2] 7#L17true [59] L17-->L18: Formula: (> 0 v_A_~a1_2) InVars {A_~a1=v_A_~a1_2} OutVars{A_~a1=v_A_~a1_2} AuxVars[] AssignedVars[] 4#L18true [42] L18-->AENTRY: Formula: (and (= |v_A_#in~a2InParam_1| v_A_~a1_5) (= |v_A_#in~a1InParam_1| v_A_~a2_4)) InVars {A_~a1=v_A_~a1_5, A_~a2=v_A_~a2_4} OutVars{A_#in~a1=|v_A_#in~a1InParam_1|, A_#in~a2=|v_A_#in~a2InParam_1|} AuxVars[] AssignedVars[A_#in~a1, A_#in~a2]< 10#AENTRYtrue [2020-07-01 10:58:37,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 10:58:37,588 INFO L82 PathProgramCache]: Analyzing trace with hash 72946, now seen corresponding path program 1 times [2020-07-01 10:58:37,598 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 10:58:37,598 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217098638] [2020-07-01 10:58:37,598 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 10:58:37,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:58:37,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:58:37,685 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 10:58:37,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 10:58:37,686 INFO L82 PathProgramCache]: Analyzing trace with hash 66258, now seen corresponding path program 1 times [2020-07-01 10:58:37,687 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 10:58:37,687 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117255667] [2020-07-01 10:58:37,687 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 10:58:37,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:58:37,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:58:37,698 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 10:58:37,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 10:58:37,700 INFO L82 PathProgramCache]: Analyzing trace with hash -2121796543, now seen corresponding path program 1 times [2020-07-01 10:58:37,700 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 10:58:37,700 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582719878] [2020-07-01 10:58:37,701 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 10:58:37,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 10:58:37,781 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 10:58:37,782 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582719878] [2020-07-01 10:58:37,783 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 10:58:37,783 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-01 10:58:37,783 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580615224] [2020-07-01 10:58:37,891 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 10:58:37,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-01 10:58:37,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-01 10:58:37,908 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 5 states. [2020-07-01 10:58:38,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 10:58:38,005 INFO L93 Difference]: Finished difference Result 24 states and 34 transitions. [2020-07-01 10:58:38,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-01 10:58:38,008 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 10:58:38,013 INFO L168 Benchmark]: Toolchain (without parser) took 1344.99 ms. Allocated memory was 649.6 MB in the beginning and 695.7 MB in the end (delta: 46.1 MB). Free memory was 562.7 MB in the beginning and 581.4 MB in the end (delta: -18.7 MB). Peak memory consumption was 27.4 MB. Max. memory is 50.3 GB. [2020-07-01 10:58:38,013 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 649.6 MB. Free memory is still 584.3 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-07-01 10:58:38,014 INFO L168 Benchmark]: CACSL2BoogieTranslator took 298.84 ms. Allocated memory was 649.6 MB in the beginning and 695.7 MB in the end (delta: 46.1 MB). Free memory was 562.7 MB in the beginning and 659.2 MB in the end (delta: -96.5 MB). Peak memory consumption was 28.2 MB. Max. memory is 50.3 GB. [2020-07-01 10:58:38,015 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.74 ms. Allocated memory is still 695.7 MB. Free memory was 659.2 MB in the beginning and 657.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. [2020-07-01 10:58:38,015 INFO L168 Benchmark]: Boogie Preprocessor took 17.34 ms. Allocated memory is still 695.7 MB. Free memory was 657.8 MB in the beginning and 656.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. [2020-07-01 10:58:38,016 INFO L168 Benchmark]: RCFGBuilder took 226.06 ms. Allocated memory is still 695.7 MB. Free memory was 656.5 MB in the beginning and 642.1 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 50.3 GB. [2020-07-01 10:58:38,017 INFO L168 Benchmark]: BlockEncodingV2 took 83.95 ms. Allocated memory is still 695.7 MB. Free memory was 642.1 MB in the beginning and 635.6 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. [2020-07-01 10:58:38,017 INFO L168 Benchmark]: TraceAbstraction took 171.62 ms. Allocated memory is still 695.7 MB. Free memory was 634.3 MB in the beginning and 623.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 50.3 GB. [2020-07-01 10:58:38,018 INFO L168 Benchmark]: BuchiAutomizer took 506.39 ms. Allocated memory is still 695.7 MB. Free memory was 623.5 MB in the beginning and 581.4 MB in the end (delta: 42.0 MB). Peak memory consumption was 42.0 MB. Max. memory is 50.3 GB. [2020-07-01 10:58:38,022 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 17 locations, 20 edges - StatisticsResult: Encoded RCFG 11 locations, 16 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 649.6 MB. Free memory is still 584.3 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 298.84 ms. Allocated memory was 649.6 MB in the beginning and 695.7 MB in the end (delta: 46.1 MB). Free memory was 562.7 MB in the beginning and 659.2 MB in the end (delta: -96.5 MB). Peak memory consumption was 28.2 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 34.74 ms. Allocated memory is still 695.7 MB. Free memory was 659.2 MB in the beginning and 657.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 17.34 ms. Allocated memory is still 695.7 MB. Free memory was 657.8 MB in the beginning and 656.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. * RCFGBuilder took 226.06 ms. Allocated memory is still 695.7 MB. Free memory was 656.5 MB in the beginning and 642.1 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 83.95 ms. Allocated memory is still 695.7 MB. Free memory was 642.1 MB in the beginning and 635.6 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. * TraceAbstraction took 171.62 ms. Allocated memory is still 695.7 MB. Free memory was 634.3 MB in the beginning and 623.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 506.39 ms. Allocated memory is still 695.7 MB. Free memory was 623.5 MB in the beginning and 581.4 MB in the end (delta: 42.0 MB). Peak memory consumption was 42.0 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 2 procedures, 11 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=11occurred 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, 4 LocationsWithAnnotation, 8 PreInvPairs, 8 NumberOfFragments, 4 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 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 10:58:33.398 ----------------------------------------------- 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_Awzczt/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-07-01 10:58:38.256 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check