/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 12:09:50,843 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-01 12:09:50,846 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-01 12:09:50,857 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-01 12:09:50,858 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-01 12:09:50,858 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-01 12:09:50,860 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-01 12:09:50,861 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-01 12:09:50,863 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-01 12:09:50,863 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-01 12:09:50,864 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-01 12:09:50,865 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-01 12:09:50,865 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-01 12:09:50,866 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-01 12:09:50,867 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-01 12:09:50,868 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-01 12:09:50,869 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-01 12:09:50,870 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-01 12:09:50,872 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-01 12:09:50,874 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-01 12:09:50,875 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-01 12:09:50,876 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-01 12:09:50,877 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-01 12:09:50,878 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-01 12:09:50,880 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-01 12:09:50,880 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-01 12:09:50,881 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-01 12:09:50,881 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-01 12:09:50,882 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-01 12:09:50,883 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-01 12:09:50,883 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-01 12:09:50,884 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-01 12:09:50,884 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-01 12:09:50,885 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-01 12:09:50,886 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-01 12:09:50,886 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-01 12:09:50,887 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-01 12:09:50,887 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-01 12:09:50,887 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-01 12:09:50,888 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-01 12:09:50,889 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-01 12:09:50,889 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-07-01 12:09:50,904 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-01 12:09:50,904 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-01 12:09:50,905 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-01 12:09:50,905 INFO L138 SettingsManager]: * Rewrite not-equals=true [2020-07-01 12:09:50,906 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-01 12:09:50,906 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-07-01 12:09:50,906 INFO L138 SettingsManager]: * Use SBE=true [2020-07-01 12:09:50,906 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-01 12:09:50,906 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-01 12:09:50,907 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-01 12:09:50,907 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-07-01 12:09:50,907 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-01 12:09:50,907 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-01 12:09:50,907 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2020-07-01 12:09:50,907 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:09:50,908 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-01 12:09:50,908 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-01 12:09:50,908 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-01 12:09:50,908 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-01 12:09:50,908 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-01 12:09:50,908 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-07-01 12:09:50,909 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-01 12:09:50,909 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-01 12:09:50,909 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-01 12:09:50,909 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 12:09:50,909 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-01 12:09:50,910 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-01 12:09:50,910 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-01 12:09:50,910 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-01 12:09:51,073 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-01 12:09:51,086 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-01 12:09:51,090 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-01 12:09:51,091 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-01 12:09:51,092 INFO L275 PluginConnector]: CDTParser initialized [2020-07-01 12:09:51,092 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-07-01 12:09:51,154 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/BenchExec_run_qk9QbB/tmp/19cad6de79fb4627a97d1725b01cf2ab/FLAG129bf6053 [2020-07-01 12:09:51,485 INFO L306 CDTParser]: Found 1 translation units. [2020-07-01 12:09:51,486 INFO L160 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-07-01 12:09:51,493 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/BenchExec_run_qk9QbB/tmp/19cad6de79fb4627a97d1725b01cf2ab/FLAG129bf6053 [2020-07-01 12:09:51,931 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/BenchExec_run_qk9QbB/tmp/19cad6de79fb4627a97d1725b01cf2ab [2020-07-01 12:09:51,942 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-01 12:09:51,943 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-07-01 12:09:51,944 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-01 12:09:51,945 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-01 12:09:51,948 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-01 12:09:51,949 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 12:09:51" (1/1) ... [2020-07-01 12:09:51,952 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40d96048 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:09:51, skipping insertion in model container [2020-07-01 12:09:51,953 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 12:09:51" (1/1) ... [2020-07-01 12:09:51,961 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-01 12:09:51,979 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-01 12:09:52,205 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 12:09:52,210 INFO L203 MainTranslator]: Completed pre-run [2020-07-01 12:09:52,227 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 12:09:52,242 INFO L208 MainTranslator]: Completed translation [2020-07-01 12:09:52,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:09:52 WrapperNode [2020-07-01 12:09:52,243 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-01 12:09:52,244 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-01 12:09:52,244 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-01 12:09:52,244 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-01 12:09:52,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:09:52" (1/1) ... [2020-07-01 12:09:52,260 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:09:52" (1/1) ... [2020-07-01 12:09:52,279 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-01 12:09:52,280 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-01 12:09:52,280 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-01 12:09:52,280 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-01 12:09:52,290 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:09:52" (1/1) ... [2020-07-01 12:09:52,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:09:52" (1/1) ... [2020-07-01 12:09:52,291 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:09:52" (1/1) ... [2020-07-01 12:09:52,291 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:09:52" (1/1) ... [2020-07-01 12:09:52,293 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:09:52" (1/1) ... [2020-07-01 12:09:52,295 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:09:52" (1/1) ... [2020-07-01 12:09:52,296 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:09:52" (1/1) ... [2020-07-01 12:09:52,297 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-01 12:09:52,298 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-01 12:09:52,298 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-01 12:09:52,298 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-01 12:09:52,299 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:09:52" (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 12:09:52,375 INFO L130 BoogieDeclarations]: Found specification of procedure fibonacci [2020-07-01 12:09:52,376 INFO L138 BoogieDeclarations]: Found implementation of procedure fibonacci [2020-07-01 12:09:52,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-01 12:09:52,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-01 12:09:52,543 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-01 12:09:52,544 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-07-01 12:09:52,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:09:52 BoogieIcfgContainer [2020-07-01 12:09:52,548 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-01 12:09:52,548 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-07-01 12:09:52,548 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-07-01 12:09:52,550 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2020-07-01 12:09:52,551 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:09:52" (1/1) ... [2020-07-01 12:09:52,565 INFO L313 BlockEncoder]: Initial Icfg 17 locations, 22 edges [2020-07-01 12:09:52,566 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-07-01 12:09:52,567 INFO L263 BlockEncoder]: Using Maximize final states [2020-07-01 12:09:52,567 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-07-01 12:09:52,568 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-07-01 12:09:52,569 INFO L296 BlockEncoder]: Using Remove sink states [2020-07-01 12:09:52,570 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-07-01 12:09:52,570 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-07-01 12:09:52,585 INFO L185 BlockEncoder]: Using Use SBE [2020-07-01 12:09:52,601 INFO L200 BlockEncoder]: SBE split 3 edges [2020-07-01 12:09:52,606 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-07-01 12:09:52,607 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 12:09:52,617 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2020-07-01 12:09:52,619 INFO L70 RemoveSinkStates]: Removed 7 edges and 5 locations by removing sink states [2020-07-01 12:09:52,620 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 12:09:52,621 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 12:09:52,621 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-07-01 12:09:52,621 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 12:09:52,622 INFO L313 BlockEncoder]: Encoded RCFG 11 locations, 16 edges [2020-07-01 12:09:52,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 12:09:52 BasicIcfg [2020-07-01 12:09:52,622 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-07-01 12:09:52,624 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-01 12:09:52,624 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-01 12:09:52,627 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-01 12:09:52,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.07 12:09:51" (1/4) ... [2020-07-01 12:09:52,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1df2d317 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 12:09:52, skipping insertion in model container [2020-07-01 12:09:52,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:09:52" (2/4) ... [2020-07-01 12:09:52,629 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1df2d317 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 12:09:52, skipping insertion in model container [2020-07-01 12:09:52,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:09:52" (3/4) ... [2020-07-01 12:09:52,629 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1df2d317 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 12:09:52, skipping insertion in model container [2020-07-01 12:09:52,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 12:09:52" (4/4) ... [2020-07-01 12:09:52,631 INFO L109 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 12:09:52,641 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-07-01 12:09:52,649 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-07-01 12:09:52,662 INFO L251 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-07-01 12:09:52,685 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-01 12:09:52,685 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-01 12:09:52,686 INFO L377 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 12:09:52,686 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 12:09:52,686 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 12:09:52,686 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-01 12:09:52,686 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 12:09:52,686 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-01 12:09:52,703 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2020-07-01 12:09:52,709 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-01 12:09:52,715 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 11 states. [2020-07-01 12:09:52,778 INFO L268 CegarLoopResult]: For program point L17(lines 17 21) no Hoare annotation was computed. [2020-07-01 12:09:52,778 INFO L268 CegarLoopResult]: For program point L15(lines 15 21) no Hoare annotation was computed. [2020-07-01 12:09:52,778 INFO L268 CegarLoopResult]: For program point fibonacciFINAL(lines 14 22) no Hoare annotation was computed. [2020-07-01 12:09:52,779 INFO L271 CegarLoopResult]: At program point fibonacciENTRY(lines 14 22) the Hoare annotation is: true [2020-07-01 12:09:52,779 INFO L271 CegarLoopResult]: At program point L20(line 20) the Hoare annotation is: true [2020-07-01 12:09:52,779 INFO L271 CegarLoopResult]: At program point L20-1(line 20) the Hoare annotation is: true [2020-07-01 12:09:52,779 INFO L268 CegarLoopResult]: For program point fibonacciEXIT(lines 14 22) no Hoare annotation was computed. [2020-07-01 12:09:52,780 INFO L268 CegarLoopResult]: For program point L20-2(line 20) no Hoare annotation was computed. [2020-07-01 12:09:52,780 INFO L271 CegarLoopResult]: At program point L30(line 30) the Hoare annotation is: true [2020-07-01 12:09:52,780 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-01 12:09:52,780 INFO L268 CegarLoopResult]: For program point L27(lines 27 29) no Hoare annotation was computed. [2020-07-01 12:09:52,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 12:09:52 BasicIcfg [2020-07-01 12:09:52,784 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-01 12:09:52,785 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-01 12:09:52,785 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-01 12:09:52,788 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-01 12:09:52,789 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:09:52,789 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.07 12:09:51" (1/5) ... [2020-07-01 12:09:52,790 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@29fda203 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 12:09:52, skipping insertion in model container [2020-07-01 12:09:52,790 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:09:52,790 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:09:52" (2/5) ... [2020-07-01 12:09:52,791 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@29fda203 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 12:09:52, skipping insertion in model container [2020-07-01 12:09:52,791 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:09:52,791 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:09:52" (3/5) ... [2020-07-01 12:09:52,791 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@29fda203 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 12:09:52, skipping insertion in model container [2020-07-01 12:09:52,791 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:09:52,792 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 12:09:52" (4/5) ... [2020-07-01 12:09:52,792 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@29fda203 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 12:09:52, skipping insertion in model container [2020-07-01 12:09:52,792 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:09:52,792 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 12:09:52" (5/5) ... [2020-07-01 12:09:52,794 INFO L371 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 12:09:52,823 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-01 12:09:52,823 INFO L357 BuchiCegarLoop]: Hoare is true [2020-07-01 12:09:52,824 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 12:09:52,824 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 12:09:52,824 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 12:09:52,824 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-01 12:09:52,824 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 12:09:52,824 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-01 12:09:52,828 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-07-01 12:09:52,848 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-07-01 12:09:52,848 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 12:09:52,848 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 12:09:52,855 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-07-01 12:09:52,855 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-07-01 12:09:52,856 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-01 12:09:52,856 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-07-01 12:09:52,857 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-07-01 12:09:52,857 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 12:09:52,858 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 12:09:52,858 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-07-01 12:09:52,858 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-07-01 12:09:52,863 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue [50] ULTIMATE.startENTRY-->L27: Formula: (= v_ULTIMATE.start_main_~x~0_6 |v_ULTIMATE.start_main_#t~nondet2_4|) InVars {} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_3|, ULTIMATE.start_main_#t~ret3=|v_ULTIMATE.start_main_#t~ret3_4|, ULTIMATE.start_main_~result~0=v_ULTIMATE.start_main_~result~0_4} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_#t~ret3, ULTIMATE.start_main_~result~0] 7#L27true [67] L27-->L30: Formula: (and (> v_ULTIMATE.start_main_~x~0_2 (- 2147483648)) (>= 46 v_ULTIMATE.start_main_~x~0_2)) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_2} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_2} AuxVars[] AssignedVars[] 11#L30true [45] L30-->fibonacciENTRY: Formula: (= |v_fibonacci_#in~nInParam_3| v_ULTIMATE.start_main_~x~0_9) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} OutVars{fibonacci_#in~n=|v_fibonacci_#in~nInParam_3|} AuxVars[] AssignedVars[fibonacci_#in~n]< 8#fibonacciENTRYtrue [2020-07-01 12:09:52,864 INFO L796 eck$LassoCheckResult]: Loop: 8#fibonacciENTRYtrue [53] fibonacciENTRY-->L15: Formula: (= v_fibonacci_~n_1 |v_fibonacci_#in~n_1|) InVars {fibonacci_#in~n=|v_fibonacci_#in~n_1|} OutVars{fibonacci_#in~n=|v_fibonacci_#in~n_1|, fibonacci_~n=v_fibonacci_~n_1} AuxVars[] AssignedVars[fibonacci_~n] 6#L15true [61] L15-->L17: Formula: (>= v_fibonacci_~n_3 1) InVars {fibonacci_~n=v_fibonacci_~n_3} OutVars{fibonacci_~n=v_fibonacci_~n_3} AuxVars[] AssignedVars[] 9#L17true [68] L17-->L20: Formula: (> 1 v_fibonacci_~n_5) InVars {fibonacci_~n=v_fibonacci_~n_5} OutVars{fibonacci_~n=v_fibonacci_~n_5} AuxVars[] AssignedVars[] 4#L20true [38] L20-->fibonacciENTRY: Formula: (= |v_fibonacci_#in~nInParam_1| (+ v_fibonacci_~n_8 (- 1))) InVars {fibonacci_~n=v_fibonacci_~n_8} OutVars{fibonacci_#in~n=|v_fibonacci_#in~nInParam_1|} AuxVars[] AssignedVars[fibonacci_#in~n]< 8#fibonacciENTRYtrue [2020-07-01 12:09:52,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:09:52,870 INFO L82 PathProgramCache]: Analyzing trace with hash 79963, now seen corresponding path program 1 times [2020-07-01 12:09:52,879 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:09:52,879 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149906067] [2020-07-01 12:09:52,880 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:09:52,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:09:52,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:09:52,957 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:09:52,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:09:52,958 INFO L82 PathProgramCache]: Analyzing trace with hash 2563211, now seen corresponding path program 1 times [2020-07-01 12:09:52,958 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:09:52,959 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619000648] [2020-07-01 12:09:52,959 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:09:52,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:09:53,003 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 12:09:53,004 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619000648] [2020-07-01 12:09:53,005 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 12:09:53,005 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-01 12:09:53,005 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473365664] [2020-07-01 12:09:53,010 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-07-01 12:09:53,011 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 12:09:53,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-01 12:09:53,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-01 12:09:53,027 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 3 states. [2020-07-01 12:09:53,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 12:09:53,057 INFO L93 Difference]: Finished difference Result 13 states and 18 transitions. [2020-07-01 12:09:53,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-01 12:09:53,061 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 12:09:53,065 INFO L168 Benchmark]: Toolchain (without parser) took 1120.87 ms. Allocated memory was 514.9 MB in the beginning and 563.6 MB in the end (delta: 48.8 MB). Free memory was 435.2 MB in the beginning and 482.1 MB in the end (delta: -46.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 50.3 GB. [2020-07-01 12:09:53,066 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 514.9 MB. Free memory is still 455.7 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-07-01 12:09:53,067 INFO L168 Benchmark]: CACSL2BoogieTranslator took 298.87 ms. Allocated memory was 514.9 MB in the beginning and 563.6 MB in the end (delta: 48.8 MB). Free memory was 435.2 MB in the beginning and 533.0 MB in the end (delta: -97.8 MB). Peak memory consumption was 28.5 MB. Max. memory is 50.3 GB. [2020-07-01 12:09:53,067 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.60 ms. Allocated memory is still 563.6 MB. Free memory was 532.2 MB in the beginning and 530.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 50.3 GB. [2020-07-01 12:09:53,068 INFO L168 Benchmark]: Boogie Preprocessor took 17.83 ms. Allocated memory is still 563.6 MB. Free memory was 530.5 MB in the beginning and 529.7 MB in the end (delta: 819.3 kB). Peak memory consumption was 819.3 kB. Max. memory is 50.3 GB. [2020-07-01 12:09:53,069 INFO L168 Benchmark]: RCFGBuilder took 249.92 ms. Allocated memory is still 563.6 MB. Free memory was 529.7 MB in the beginning and 516.9 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. [2020-07-01 12:09:53,069 INFO L168 Benchmark]: BlockEncodingV2 took 74.42 ms. Allocated memory is still 563.6 MB. Free memory was 516.9 MB in the beginning and 511.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 50.3 GB. [2020-07-01 12:09:53,070 INFO L168 Benchmark]: TraceAbstraction took 160.30 ms. Allocated memory is still 563.6 MB. Free memory was 511.1 MB in the beginning and 501.2 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 50.3 GB. [2020-07-01 12:09:53,071 INFO L168 Benchmark]: BuchiAutomizer took 277.91 ms. Allocated memory is still 563.6 MB. Free memory was 501.2 MB in the beginning and 482.1 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 50.3 GB. [2020-07-01 12:09:53,075 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 17 locations, 22 edges - StatisticsResult: Encoded RCFG 11 locations, 16 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 514.9 MB. Free memory is still 455.7 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 298.87 ms. Allocated memory was 514.9 MB in the beginning and 563.6 MB in the end (delta: 48.8 MB). Free memory was 435.2 MB in the beginning and 533.0 MB in the end (delta: -97.8 MB). Peak memory consumption was 28.5 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 35.60 ms. Allocated memory is still 563.6 MB. Free memory was 532.2 MB in the beginning and 530.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 17.83 ms. Allocated memory is still 563.6 MB. Free memory was 530.5 MB in the beginning and 529.7 MB in the end (delta: 819.3 kB). Peak memory consumption was 819.3 kB. Max. memory is 50.3 GB. * RCFGBuilder took 249.92 ms. Allocated memory is still 563.6 MB. Free memory was 529.7 MB in the beginning and 516.9 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 74.42 ms. Allocated memory is still 563.6 MB. Free memory was 516.9 MB in the beginning and 511.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 50.3 GB. * TraceAbstraction took 160.30 ms. Allocated memory is still 563.6 MB. Free memory was 511.1 MB in the beginning and 501.2 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 277.91 ms. Allocated memory is still 563.6 MB. Free memory was 501.2 MB in the beginning and 482.1 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 50.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - 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, 10 PreInvPairs, 10 NumberOfFragments, 4 HoareAnnotationTreeSize, 10 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 12:09:48.627 ----------------------------------------------- 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_qk9QbB/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-07-01 12:09:53.310 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check