/export/starexec/sandbox2/solver/bin/starexec_run_default /export/starexec/sandbox2/benchmark/theBenchmark.c /export/starexec/sandbox2/output/output_files -------------------------------------------------------------------------------- Ultimate: Cannot open display: This is Ultimate 0.1.25-34f2e62 [2020-07-01 11:27:21,601 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-01 11:27:21,603 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-01 11:27:21,614 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-01 11:27:21,615 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-01 11:27:21,616 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-01 11:27:21,617 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-01 11:27:21,618 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-01 11:27:21,620 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-01 11:27:21,621 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-01 11:27:21,622 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-01 11:27:21,623 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-01 11:27:21,623 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-01 11:27:21,624 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-01 11:27:21,625 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-01 11:27:21,626 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-01 11:27:21,626 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-01 11:27:21,627 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-01 11:27:21,629 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-01 11:27:21,631 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-01 11:27:21,632 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-01 11:27:21,633 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-01 11:27:21,634 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-01 11:27:21,635 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-01 11:27:21,637 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-01 11:27:21,637 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-01 11:27:21,638 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-01 11:27:21,638 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-01 11:27:21,639 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-01 11:27:21,640 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-01 11:27:21,640 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-01 11:27:21,641 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-01 11:27:21,641 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-01 11:27:21,642 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-01 11:27:21,643 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-01 11:27:21,643 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-01 11:27:21,644 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-01 11:27:21,644 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-01 11:27:21,644 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-01 11:27:21,645 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-01 11:27:21,645 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-01 11:27:21,646 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-07-01 11:27:21,660 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-01 11:27:21,661 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-01 11:27:21,662 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-01 11:27:21,662 INFO L138 SettingsManager]: * Rewrite not-equals=true [2020-07-01 11:27:21,662 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-01 11:27:21,662 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-07-01 11:27:21,662 INFO L138 SettingsManager]: * Use SBE=true [2020-07-01 11:27:21,663 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-01 11:27:21,663 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-01 11:27:21,663 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-01 11:27:21,663 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-07-01 11:27:21,663 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-01 11:27:21,663 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-01 11:27:21,664 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2020-07-01 11:27:21,664 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:27:21,664 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-01 11:27:21,664 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-01 11:27:21,664 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-01 11:27:21,665 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-01 11:27:21,665 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-01 11:27:21,665 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-07-01 11:27:21,665 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-01 11:27:21,665 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-01 11:27:21,665 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-01 11:27:21,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 11:27:21,666 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-01 11:27:21,666 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-01 11:27:21,666 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-01 11:27:21,666 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-01 11:27:21,833 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-01 11:27:21,847 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-01 11:27:21,850 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-01 11:27:21,851 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-01 11:27:21,852 INFO L275 PluginConnector]: CDTParser initialized [2020-07-01 11:27:21,853 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-07-01 11:27:21,923 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/BenchExec_run_nRbwo9/tmp/49c59620167445e8a975849507f45966/FLAG2153b2d46 [2020-07-01 11:27:22,256 INFO L306 CDTParser]: Found 1 translation units. [2020-07-01 11:27:22,257 INFO L160 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-07-01 11:27:22,264 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/BenchExec_run_nRbwo9/tmp/49c59620167445e8a975849507f45966/FLAG2153b2d46 [2020-07-01 11:27:22,659 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/BenchExec_run_nRbwo9/tmp/49c59620167445e8a975849507f45966 [2020-07-01 11:27:22,670 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-01 11:27:22,672 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-07-01 11:27:22,673 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-01 11:27:22,673 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-01 11:27:22,677 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-01 11:27:22,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 11:27:22" (1/1) ... [2020-07-01 11:27:22,681 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@172d3c62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:27:22, skipping insertion in model container [2020-07-01 11:27:22,681 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 11:27:22" (1/1) ... [2020-07-01 11:27:22,689 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-01 11:27:22,707 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-01 11:27:22,938 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 11:27:22,943 INFO L203 MainTranslator]: Completed pre-run [2020-07-01 11:27:22,960 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 11:27:22,975 INFO L208 MainTranslator]: Completed translation [2020-07-01 11:27:22,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:27:22 WrapperNode [2020-07-01 11:27:22,976 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-01 11:27:22,977 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-01 11:27:22,977 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-01 11:27:22,977 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-01 11:27:22,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:27:22" (1/1) ... [2020-07-01 11:27:22,992 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:27:22" (1/1) ... [2020-07-01 11:27:23,011 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-01 11:27:23,011 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-01 11:27:23,012 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-01 11:27:23,012 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-01 11:27:23,022 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:27:22" (1/1) ... [2020-07-01 11:27:23,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:27:22" (1/1) ... [2020-07-01 11:27:23,023 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:27:22" (1/1) ... [2020-07-01 11:27:23,023 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:27:22" (1/1) ... [2020-07-01 11:27:23,025 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:27:22" (1/1) ... [2020-07-01 11:27:23,028 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:27:22" (1/1) ... [2020-07-01 11:27:23,028 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:27:22" (1/1) ... [2020-07-01 11:27:23,030 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-01 11:27:23,030 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-01 11:27:23,030 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-01 11:27:23,031 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-01 11:27:23,032 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:27:22" (1/1) ... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 11:27:23,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-01 11:27:23,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-01 11:27:23,100 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-07-01 11:27:23,100 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-07-01 11:27:23,100 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-07-01 11:27:23,100 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-07-01 11:27:23,289 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-01 11:27:23,290 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-07-01 11:27:23,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:27:23 BoogieIcfgContainer [2020-07-01 11:27:23,294 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-01 11:27:23,294 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-07-01 11:27:23,294 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-07-01 11:27:23,297 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2020-07-01 11:27:23,297 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:27:23" (1/1) ... [2020-07-01 11:27:23,312 INFO L313 BlockEncoder]: Initial Icfg 25 locations, 32 edges [2020-07-01 11:27:23,314 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-07-01 11:27:23,314 INFO L263 BlockEncoder]: Using Maximize final states [2020-07-01 11:27:23,315 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-07-01 11:27:23,315 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-07-01 11:27:23,317 INFO L296 BlockEncoder]: Using Remove sink states [2020-07-01 11:27:23,318 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-07-01 11:27:23,318 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-07-01 11:27:23,334 INFO L185 BlockEncoder]: Using Use SBE [2020-07-01 11:27:23,350 INFO L200 BlockEncoder]: SBE split 3 edges [2020-07-01 11:27:23,354 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-07-01 11:27:23,356 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 11:27:23,369 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2020-07-01 11:27:23,372 INFO L70 RemoveSinkStates]: Removed 6 edges and 5 locations by removing sink states [2020-07-01 11:27:23,374 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 11:27:23,374 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 11:27:23,374 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-07-01 11:27:23,375 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 11:27:23,375 INFO L313 BlockEncoder]: Encoded RCFG 18 locations, 26 edges [2020-07-01 11:27:23,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 11:27:23 BasicIcfg [2020-07-01 11:27:23,376 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-07-01 11:27:23,377 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-01 11:27:23,377 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-01 11:27:23,381 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-01 11:27:23,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.07 11:27:22" (1/4) ... [2020-07-01 11:27:23,382 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75d2b291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 11:27:23, skipping insertion in model container [2020-07-01 11:27:23,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:27:22" (2/4) ... [2020-07-01 11:27:23,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75d2b291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 11:27:23, skipping insertion in model container [2020-07-01 11:27:23,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:27:23" (3/4) ... [2020-07-01 11:27:23,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75d2b291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 11:27:23, skipping insertion in model container [2020-07-01 11:27:23,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 11:27:23" (4/4) ... [2020-07-01 11:27:23,385 INFO L109 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 11:27:23,397 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-07-01 11:27:23,405 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-07-01 11:27:23,419 INFO L251 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-07-01 11:27:23,444 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-01 11:27:23,444 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-01 11:27:23,444 INFO L377 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 11:27:23,444 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 11:27:23,444 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 11:27:23,445 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-01 11:27:23,445 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 11:27:23,445 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-01 11:27:23,462 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2020-07-01 11:27:23,469 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-01 11:27:23,476 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 18 states. [2020-07-01 11:27:23,551 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-01 11:27:23,552 INFO L271 CegarLoopResult]: At program point L37(line 37) the Hoare annotation is: true [2020-07-01 11:27:23,552 INFO L271 CegarLoopResult]: At program point fibo2ENTRY(lines 17 25) the Hoare annotation is: true [2020-07-01 11:27:23,553 INFO L268 CegarLoopResult]: For program point fibo2FINAL(lines 17 25) no Hoare annotation was computed. [2020-07-01 11:27:23,553 INFO L268 CegarLoopResult]: For program point fibo2EXIT(lines 17 25) no Hoare annotation was computed. [2020-07-01 11:27:23,553 INFO L271 CegarLoopResult]: At program point L23(line 23) the Hoare annotation is: true [2020-07-01 11:27:23,553 INFO L271 CegarLoopResult]: At program point L23-1(line 23) the Hoare annotation is: true [2020-07-01 11:27:23,553 INFO L268 CegarLoopResult]: For program point L23-2(line 23) no Hoare annotation was computed. [2020-07-01 11:27:23,554 INFO L268 CegarLoopResult]: For program point L20(lines 20 24) no Hoare annotation was computed. [2020-07-01 11:27:23,554 INFO L268 CegarLoopResult]: For program point L18(lines 18 24) no Hoare annotation was computed. [2020-07-01 11:27:23,554 INFO L271 CegarLoopResult]: At program point L13(line 13) the Hoare annotation is: true [2020-07-01 11:27:23,554 INFO L271 CegarLoopResult]: At program point L13-1(line 13) the Hoare annotation is: true [2020-07-01 11:27:23,554 INFO L268 CegarLoopResult]: For program point fibo1FINAL(lines 7 15) no Hoare annotation was computed. [2020-07-01 11:27:23,554 INFO L268 CegarLoopResult]: For program point L13-2(line 13) no Hoare annotation was computed. [2020-07-01 11:27:23,555 INFO L271 CegarLoopResult]: At program point fibo1ENTRY(lines 7 15) the Hoare annotation is: true [2020-07-01 11:27:23,555 INFO L268 CegarLoopResult]: For program point L10(lines 10 14) no Hoare annotation was computed. [2020-07-01 11:27:23,555 INFO L268 CegarLoopResult]: For program point L8(lines 8 14) no Hoare annotation was computed. [2020-07-01 11:27:23,555 INFO L268 CegarLoopResult]: For program point fibo1EXIT(lines 7 15) no Hoare annotation was computed. [2020-07-01 11:27:23,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 11:27:23 BasicIcfg [2020-07-01 11:27:23,559 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-01 11:27:23,560 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-01 11:27:23,560 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-01 11:27:23,563 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-01 11:27:23,564 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:27:23,564 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.07 11:27:22" (1/5) ... [2020-07-01 11:27:23,565 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@55c6efe1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 11:27:23, skipping insertion in model container [2020-07-01 11:27:23,565 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:27:23,565 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:27:22" (2/5) ... [2020-07-01 11:27:23,566 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@55c6efe1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 11:27:23, skipping insertion in model container [2020-07-01 11:27:23,566 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:27:23,566 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:27:23" (3/5) ... [2020-07-01 11:27:23,566 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@55c6efe1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 11:27:23, skipping insertion in model container [2020-07-01 11:27:23,566 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:27:23,567 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 11:27:23" (4/5) ... [2020-07-01 11:27:23,567 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@55c6efe1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 11:27:23, skipping insertion in model container [2020-07-01 11:27:23,567 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:27:23,567 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 11:27:23" (5/5) ... [2020-07-01 11:27:23,569 INFO L371 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 11:27:23,596 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-01 11:27:23,596 INFO L357 BuchiCegarLoop]: Hoare is true [2020-07-01 11:27:23,597 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 11:27:23,597 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 11:27:23,597 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 11:27:23,597 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-01 11:27:23,597 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 11:27:23,597 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-01 11:27:23,601 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2020-07-01 11:27:23,622 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2020-07-01 11:27:23,623 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 11:27:23,623 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 11:27:23,630 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-01 11:27:23,630 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-07-01 11:27:23,630 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-01 11:27:23,630 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2020-07-01 11:27:23,633 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2020-07-01 11:27:23,633 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 11:27:23,633 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 11:27:23,633 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-01 11:27:23,634 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-07-01 11:27:23,639 INFO L794 eck$LassoCheckResult]: Stem: 14#ULTIMATE.startENTRYtrue [72] ULTIMATE.startENTRY-->L37: Formula: (= v_ULTIMATE.start_main_~x~0_1 2) InVars {} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~ret4=|v_ULTIMATE.start_main_#t~ret4_1|, ULTIMATE.start_main_~result~0=v_ULTIMATE.start_main_~result~0_1} AuxVars[] AssignedVars[ULTIMATE.start_main_#res, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_#t~ret4, ULTIMATE.start_main_~result~0] 4#L37true [65] L37-->fibo1ENTRY: Formula: (= |v_fibo1_#in~nInParam_1| v_ULTIMATE.start_main_~x~0_5) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} OutVars{fibo1_#in~n=|v_fibo1_#in~nInParam_1|} AuxVars[] AssignedVars[fibo1_#in~n]< 15#fibo1ENTRYtrue [2020-07-01 11:27:23,640 INFO L796 eck$LassoCheckResult]: Loop: 15#fibo1ENTRYtrue [73] fibo1ENTRY-->L8: Formula: (= v_fibo1_~n_7 |v_fibo1_#in~n_1|) InVars {fibo1_#in~n=|v_fibo1_#in~n_1|} OutVars{fibo1_#in~n=|v_fibo1_#in~n_1|, fibo1_~n=v_fibo1_~n_7} AuxVars[] AssignedVars[fibo1_~n] 18#L8true [84] L8-->L10: Formula: (>= v_fibo1_~n_2 1) InVars {fibo1_~n=v_fibo1_~n_2} OutVars{fibo1_~n=v_fibo1_~n_2} AuxVars[] AssignedVars[] 5#L10true [89] L10-->L13: Formula: (> 1 v_fibo1_~n_4) InVars {fibo1_~n=v_fibo1_~n_4} OutVars{fibo1_~n=v_fibo1_~n_4} AuxVars[] AssignedVars[] 10#L13true [67] L13-->fibo2ENTRY: Formula: (= |v_fibo2_#in~nInParam_1| (+ v_fibo1_~n_8 (- 1))) InVars {fibo1_~n=v_fibo1_~n_8} OutVars{fibo2_#in~n=|v_fibo2_#in~nInParam_1|} AuxVars[] AssignedVars[fibo2_#in~n]< 16#fibo2ENTRYtrue [60] fibo2ENTRY-->L18: Formula: (= v_fibo2_~n_1 |v_fibo2_#in~n_1|) InVars {fibo2_#in~n=|v_fibo2_#in~n_1|} OutVars{fibo2_~n=v_fibo2_~n_1, fibo2_#in~n=|v_fibo2_#in~n_1|} AuxVars[] AssignedVars[fibo2_~n] 20#L18true [87] L18-->L20: Formula: (>= v_fibo2_~n_3 1) InVars {fibo2_~n=v_fibo2_~n_3} OutVars{fibo2_~n=v_fibo2_~n_3} AuxVars[] AssignedVars[] 19#L20true [93] L20-->L23: Formula: (> 1 v_fibo2_~n_5) InVars {fibo2_~n=v_fibo2_~n_5} OutVars{fibo2_~n=v_fibo2_~n_5} AuxVars[] AssignedVars[] 3#L23true [52] L23-->fibo1ENTRY: Formula: (= |v_fibo1_#in~nInParam_2| (+ v_fibo2_~n_8 (- 1))) InVars {fibo2_~n=v_fibo2_~n_8} OutVars{fibo1_#in~n=|v_fibo1_#in~nInParam_2|} AuxVars[] AssignedVars[fibo1_#in~n]< 15#fibo1ENTRYtrue [2020-07-01 11:27:23,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 11:27:23,646 INFO L82 PathProgramCache]: Analyzing trace with hash 3258, now seen corresponding path program 1 times [2020-07-01 11:27:23,656 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 11:27:23,656 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54309304] [2020-07-01 11:27:23,657 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 11:27:23,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:27:23,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:27:23,731 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 11:27:23,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 11:27:23,732 INFO L82 PathProgramCache]: Analyzing trace with hash 716290632, now seen corresponding path program 1 times [2020-07-01 11:27:23,732 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 11:27:23,732 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608301071] [2020-07-01 11:27:23,733 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 11:27:23,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 11:27:23,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-01 11:27:23,777 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608301071] [2020-07-01 11:27:23,777 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 11:27:23,778 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-01 11:27:23,778 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869846441] [2020-07-01 11:27:23,782 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-07-01 11:27:23,783 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 11:27:23,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-01 11:27:23,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-01 11:27:23,799 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 3 states. [2020-07-01 11:27:23,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 11:27:23,831 INFO L93 Difference]: Finished difference Result 20 states and 28 transitions. [2020-07-01 11:27:23,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-01 11:27:23,834 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: unknown kind of automaton at de.uni_freiburg.informatik.ultimate.automata.AutomatonDefinitionPrinter.printAutomaton(AutomatonDefinitionPrinter.java:349) at de.uni_freiburg.informatik.ultimate.automata.AutomatonDefinitionPrinter.toString(AutomatonDefinitionPrinter.java:186) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.TermcompProofBenchmark.reportFiniteModule(TermcompProofBenchmark.java:61) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.refineFinite(BuchiCegarLoop.java:978) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:532) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:380) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-01 11:27:23,839 INFO L168 Benchmark]: Toolchain (without parser) took 1166.03 ms. Allocated memory was 649.6 MB in the beginning and 689.4 MB in the end (delta: 39.8 MB). Free memory was 562.8 MB in the beginning and 591.2 MB in the end (delta: -28.3 MB). Peak memory consumption was 11.5 MB. Max. memory is 50.3 GB. [2020-07-01 11:27:23,839 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 582.2 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-07-01 11:27:23,840 INFO L168 Benchmark]: CACSL2BoogieTranslator took 303.41 ms. Allocated memory was 649.6 MB in the beginning and 689.4 MB in the end (delta: 39.8 MB). Free memory was 562.8 MB in the beginning and 652.2 MB in the end (delta: -89.4 MB). Peak memory consumption was 29.3 MB. Max. memory is 50.3 GB. [2020-07-01 11:27:23,841 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.44 ms. Allocated memory is still 689.4 MB. Free memory was 652.2 MB in the beginning and 651.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. [2020-07-01 11:27:23,841 INFO L168 Benchmark]: Boogie Preprocessor took 18.49 ms. Allocated memory is still 689.4 MB. Free memory was 651.1 MB in the beginning and 650.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. [2020-07-01 11:27:23,842 INFO L168 Benchmark]: RCFGBuilder took 263.64 ms. Allocated memory is still 689.4 MB. Free memory was 649.0 MB in the beginning and 632.3 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 50.3 GB. [2020-07-01 11:27:23,843 INFO L168 Benchmark]: BlockEncodingV2 took 81.67 ms. Allocated memory is still 689.4 MB. Free memory was 632.3 MB in the beginning and 626.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. [2020-07-01 11:27:23,843 INFO L168 Benchmark]: TraceAbstraction took 182.19 ms. Allocated memory is still 689.4 MB. Free memory was 625.8 MB in the beginning and 613.9 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 50.3 GB. [2020-07-01 11:27:23,844 INFO L168 Benchmark]: BuchiAutomizer took 276.45 ms. Allocated memory is still 689.4 MB. Free memory was 613.9 MB in the beginning and 591.2 MB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 50.3 GB. [2020-07-01 11:27:23,847 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 25 locations, 32 edges - StatisticsResult: Encoded RCFG 18 locations, 26 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 582.2 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 303.41 ms. Allocated memory was 649.6 MB in the beginning and 689.4 MB in the end (delta: 39.8 MB). Free memory was 562.8 MB in the beginning and 652.2 MB in the end (delta: -89.4 MB). Peak memory consumption was 29.3 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 34.44 ms. Allocated memory is still 689.4 MB. Free memory was 652.2 MB in the beginning and 651.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 18.49 ms. Allocated memory is still 689.4 MB. Free memory was 651.1 MB in the beginning and 650.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. * RCFGBuilder took 263.64 ms. Allocated memory is still 689.4 MB. Free memory was 649.0 MB in the beginning and 632.3 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 81.67 ms. Allocated memory is still 689.4 MB. Free memory was 632.3 MB in the beginning and 626.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. * TraceAbstraction took 182.19 ms. Allocated memory is still 689.4 MB. Free memory was 625.8 MB in the beginning and 613.9 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 276.45 ms. Allocated memory is still 689.4 MB. Free memory was 613.9 MB in the beginning and 591.2 MB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 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, 18 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=18occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 16 PreInvPairs, 16 NumberOfFragments, 7 HoareAnnotationTreeSize, 16 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: unknown kind of automaton de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: unknown kind of automaton: de.uni_freiburg.informatik.ultimate.automata.AutomatonDefinitionPrinter.printAutomaton(AutomatonDefinitionPrinter.java:349) RESULT: Ultimate could not prove your program: Toolchain returned no result. !SESSION 2020-07-01 11:27:19.433 ----------------------------------------------- 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_nRbwo9/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-07-01 11:27:24.081 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check