/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 12:06:52,336 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-01 12:06:52,338 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-01 12:06:52,350 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-01 12:06:52,350 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-01 12:06:52,351 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-01 12:06:52,352 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-01 12:06:52,354 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-01 12:06:52,355 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-01 12:06:52,356 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-01 12:06:52,357 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-01 12:06:52,358 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-01 12:06:52,358 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-01 12:06:52,359 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-01 12:06:52,360 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-01 12:06:52,361 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-01 12:06:52,362 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-01 12:06:52,363 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-01 12:06:52,364 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-01 12:06:52,366 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-01 12:06:52,368 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-01 12:06:52,369 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-01 12:06:52,370 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-01 12:06:52,370 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-01 12:06:52,373 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-01 12:06:52,373 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-01 12:06:52,373 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-01 12:06:52,374 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-01 12:06:52,374 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-01 12:06:52,375 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-01 12:06:52,375 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-01 12:06:52,376 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-01 12:06:52,377 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-01 12:06:52,378 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-01 12:06:52,378 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-01 12:06:52,379 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-01 12:06:52,379 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-01 12:06:52,379 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-01 12:06:52,380 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-01 12:06:52,380 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-01 12:06:52,381 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-01 12:06:52,382 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-07-01 12:06:52,396 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-01 12:06:52,396 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-01 12:06:52,397 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-01 12:06:52,397 INFO L138 SettingsManager]: * Rewrite not-equals=true [2020-07-01 12:06:52,398 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-01 12:06:52,398 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-07-01 12:06:52,398 INFO L138 SettingsManager]: * Use SBE=true [2020-07-01 12:06:52,398 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-01 12:06:52,398 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-01 12:06:52,398 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-01 12:06:52,399 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-07-01 12:06:52,399 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-01 12:06:52,399 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-01 12:06:52,399 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2020-07-01 12:06:52,399 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:06:52,400 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-01 12:06:52,400 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-01 12:06:52,400 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-01 12:06:52,400 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-01 12:06:52,400 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-01 12:06:52,400 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-07-01 12:06:52,401 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-01 12:06:52,401 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-01 12:06:52,401 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-01 12:06:52,401 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 12:06:52,401 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-01 12:06:52,402 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-01 12:06:52,402 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-01 12:06:52,402 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-01 12:06:52,569 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-01 12:06:52,583 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-01 12:06:52,587 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-01 12:06:52,588 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-01 12:06:52,588 INFO L275 PluginConnector]: CDTParser initialized [2020-07-01 12:06:52,589 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-07-01 12:06:52,667 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/BenchExec_run_UO3qOv/tmp/e7e0582f72754d9ba9101abb03dd5bab/FLAG30070d0af [2020-07-01 12:06:53,018 INFO L306 CDTParser]: Found 1 translation units. [2020-07-01 12:06:53,019 INFO L160 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-07-01 12:06:53,025 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/BenchExec_run_UO3qOv/tmp/e7e0582f72754d9ba9101abb03dd5bab/FLAG30070d0af [2020-07-01 12:06:53,426 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/BenchExec_run_UO3qOv/tmp/e7e0582f72754d9ba9101abb03dd5bab [2020-07-01 12:06:53,437 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-01 12:06:53,439 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-07-01 12:06:53,440 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-01 12:06:53,440 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-01 12:06:53,444 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-01 12:06:53,445 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 12:06:53" (1/1) ... [2020-07-01 12:06:53,448 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b87e254 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:06:53, skipping insertion in model container [2020-07-01 12:06:53,448 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 12:06:53" (1/1) ... [2020-07-01 12:06:53,456 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-01 12:06:53,473 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-01 12:06:53,685 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 12:06:53,689 INFO L203 MainTranslator]: Completed pre-run [2020-07-01 12:06:53,705 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 12:06:53,719 INFO L208 MainTranslator]: Completed translation [2020-07-01 12:06:53,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:06:53 WrapperNode [2020-07-01 12:06:53,720 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-01 12:06:53,720 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-01 12:06:53,721 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-01 12:06:53,721 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-01 12:06:53,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:06:53" (1/1) ... [2020-07-01 12:06:53,735 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:06:53" (1/1) ... [2020-07-01 12:06:53,753 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-01 12:06:53,754 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-01 12:06:53,754 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-01 12:06:53,754 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-01 12:06:53,763 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:06:53" (1/1) ... [2020-07-01 12:06:53,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:06:53" (1/1) ... [2020-07-01 12:06:53,764 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:06:53" (1/1) ... [2020-07-01 12:06:53,764 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:06:53" (1/1) ... [2020-07-01 12:06:53,766 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:06:53" (1/1) ... [2020-07-01 12:06:53,768 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:06:53" (1/1) ... [2020-07-01 12:06:53,769 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:06:53" (1/1) ... [2020-07-01 12:06:53,770 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-01 12:06:53,771 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-01 12:06:53,771 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-01 12:06:53,771 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-01 12:06:53,772 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:06:53" (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 12:06:53,841 INFO L130 BoogieDeclarations]: Found specification of procedure fibonacci [2020-07-01 12:06:53,842 INFO L138 BoogieDeclarations]: Found implementation of procedure fibonacci [2020-07-01 12:06:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-01 12:06:53,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-01 12:06:54,003 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-01 12:06:54,003 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-07-01 12:06:54,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:06:54 BoogieIcfgContainer [2020-07-01 12:06:54,007 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-01 12:06:54,007 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-07-01 12:06:54,007 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-07-01 12:06:54,010 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2020-07-01 12:06:54,010 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:06:54" (1/1) ... [2020-07-01 12:06:54,025 INFO L313 BlockEncoder]: Initial Icfg 17 locations, 22 edges [2020-07-01 12:06:54,027 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-07-01 12:06:54,027 INFO L263 BlockEncoder]: Using Maximize final states [2020-07-01 12:06:54,028 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-07-01 12:06:54,028 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-07-01 12:06:54,030 INFO L296 BlockEncoder]: Using Remove sink states [2020-07-01 12:06:54,031 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-07-01 12:06:54,031 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-07-01 12:06:54,046 INFO L185 BlockEncoder]: Using Use SBE [2020-07-01 12:06:54,060 INFO L200 BlockEncoder]: SBE split 1 edges [2020-07-01 12:06:54,064 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-07-01 12:06:54,066 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 12:06:54,074 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2020-07-01 12:06:54,076 INFO L70 RemoveSinkStates]: Removed 6 edges and 5 locations by removing sink states [2020-07-01 12:06:54,078 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 12:06:54,078 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 12:06:54,084 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2020-07-01 12:06:54,084 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 12:06:54,085 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 12:06:54,085 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 12:06:54,085 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-07-01 12:06:54,086 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 12:06:54,086 INFO L313 BlockEncoder]: Encoded RCFG 10 locations, 14 edges [2020-07-01 12:06:54,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 12:06:54 BasicIcfg [2020-07-01 12:06:54,087 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-07-01 12:06:54,088 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-01 12:06:54,088 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-01 12:06:54,092 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-01 12:06:54,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.07 12:06:53" (1/4) ... [2020-07-01 12:06:54,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63ae070d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 12:06:54, skipping insertion in model container [2020-07-01 12:06:54,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:06:53" (2/4) ... [2020-07-01 12:06:54,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63ae070d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 12:06:54, skipping insertion in model container [2020-07-01 12:06:54,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:06:54" (3/4) ... [2020-07-01 12:06:54,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63ae070d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 12:06:54, skipping insertion in model container [2020-07-01 12:06:54,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 12:06:54" (4/4) ... [2020-07-01 12:06:54,096 INFO L109 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 12:06:54,106 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-07-01 12:06:54,114 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-07-01 12:06:54,128 INFO L251 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-07-01 12:06:54,154 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-01 12:06:54,155 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-01 12:06:54,155 INFO L377 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 12:06:54,155 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 12:06:54,155 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 12:06:54,155 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-01 12:06:54,156 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 12:06:54,156 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-01 12:06:54,173 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2020-07-01 12:06:54,179 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-01 12:06:54,186 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 10 states. [2020-07-01 12:06:54,249 INFO L268 CegarLoopResult]: For program point L17(lines 17 21) no Hoare annotation was computed. [2020-07-01 12:06:54,249 INFO L268 CegarLoopResult]: For program point L15(lines 15 21) no Hoare annotation was computed. [2020-07-01 12:06:54,249 INFO L268 CegarLoopResult]: For program point fibonacciFINAL(lines 14 22) no Hoare annotation was computed. [2020-07-01 12:06:54,249 INFO L271 CegarLoopResult]: At program point fibonacciENTRY(lines 14 22) the Hoare annotation is: true [2020-07-01 12:06:54,250 INFO L271 CegarLoopResult]: At program point L20(line 20) the Hoare annotation is: true [2020-07-01 12:06:54,250 INFO L271 CegarLoopResult]: At program point L20-1(line 20) the Hoare annotation is: true [2020-07-01 12:06:54,250 INFO L268 CegarLoopResult]: For program point fibonacciEXIT(lines 14 22) no Hoare annotation was computed. [2020-07-01 12:06:54,250 INFO L268 CegarLoopResult]: For program point L20-2(line 20) no Hoare annotation was computed. [2020-07-01 12:06:54,250 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-01 12:06:54,251 INFO L271 CegarLoopResult]: At program point L29(line 29) the Hoare annotation is: true [2020-07-01 12:06:54,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 12:06:54 BasicIcfg [2020-07-01 12:06:54,255 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-01 12:06:54,255 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-01 12:06:54,256 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-01 12:06:54,259 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-01 12:06:54,260 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:06:54,260 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.07 12:06:53" (1/5) ... [2020-07-01 12:06:54,261 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ba69532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 12:06:54, skipping insertion in model container [2020-07-01 12:06:54,261 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:06:54,261 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:06:53" (2/5) ... [2020-07-01 12:06:54,261 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ba69532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 12:06:54, skipping insertion in model container [2020-07-01 12:06:54,261 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:06:54,262 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:06:54" (3/5) ... [2020-07-01 12:06:54,262 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ba69532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 12:06:54, skipping insertion in model container [2020-07-01 12:06:54,262 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:06:54,262 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 12:06:54" (4/5) ... [2020-07-01 12:06:54,263 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ba69532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 12:06:54, skipping insertion in model container [2020-07-01 12:06:54,263 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:06:54,263 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 12:06:54" (5/5) ... [2020-07-01 12:06:54,264 INFO L371 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 12:06:54,294 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-01 12:06:54,294 INFO L357 BuchiCegarLoop]: Hoare is true [2020-07-01 12:06:54,294 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 12:06:54,294 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 12:06:54,294 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 12:06:54,294 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-01 12:06:54,295 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 12:06:54,295 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-01 12:06:54,298 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2020-07-01 12:06:54,318 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-07-01 12:06:54,319 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 12:06:54,319 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 12:06:54,326 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-01 12:06:54,326 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-07-01 12:06:54,326 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-01 12:06:54,326 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2020-07-01 12:06:54,328 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-07-01 12:06:54,328 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 12:06:54,328 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 12:06:54,328 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-01 12:06:54,329 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-07-01 12:06:54,333 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue [67] ULTIMATE.startENTRY-->L29: Formula: (<= 1 v_ULTIMATE.start_main_~x~0_8) InVars {} OutVars{ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_#t~ret3=|v_ULTIMATE.start_main_#t~ret3_6|, ULTIMATE.start_main_~result~0=v_ULTIMATE.start_main_~result~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_#t~ret3, ULTIMATE.start_main_~result~0] 9#L29true [44] L29-->fibonacciENTRY: Formula: (= |v_fibonacci_#in~nInParam_3| v_ULTIMATE.start_main_~x~0_7) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{fibonacci_#in~n=|v_fibonacci_#in~nInParam_3|} AuxVars[] AssignedVars[fibonacci_#in~n]< 7#fibonacciENTRYtrue [2020-07-01 12:06:54,334 INFO L796 eck$LassoCheckResult]: Loop: 7#fibonacciENTRYtrue [54] 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[] 8#L17true [64] 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]< 7#fibonacciENTRYtrue [2020-07-01 12:06:54,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:06:54,341 INFO L82 PathProgramCache]: Analyzing trace with hash 3082, now seen corresponding path program 1 times [2020-07-01 12:06:54,351 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:06:54,351 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245107777] [2020-07-01 12:06:54,352 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:06:54,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:06:54,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:06:54,426 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:06:54,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:06:54,427 INFO L82 PathProgramCache]: Analyzing trace with hash 2592878, now seen corresponding path program 1 times [2020-07-01 12:06:54,427 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:06:54,428 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759387756] [2020-07-01 12:06:54,428 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:06:54,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:06:54,470 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 12:06:54,471 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759387756] [2020-07-01 12:06:54,471 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 12:06:54,472 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-01 12:06:54,472 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454575125] [2020-07-01 12:06:54,477 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-07-01 12:06:54,478 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 12:06:54,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-01 12:06:54,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-01 12:06:54,494 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 3 states. [2020-07-01 12:06:54,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 12:06:54,515 INFO L93 Difference]: Finished difference Result 12 states and 16 transitions. [2020-07-01 12:06:54,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-01 12:06:54,518 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 12:06:54,523 INFO L168 Benchmark]: Toolchain (without parser) took 1083.07 ms. Allocated memory was 514.9 MB in the beginning and 546.3 MB in the end (delta: 31.5 MB). Free memory was 436.1 MB in the beginning and 467.1 MB in the end (delta: -31.0 MB). Peak memory consumption was 482.8 kB. Max. memory is 50.3 GB. [2020-07-01 12:06:54,523 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 514.9 MB. Free memory is still 456.0 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-07-01 12:06:54,524 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.86 ms. Allocated memory was 514.9 MB in the beginning and 546.3 MB in the end (delta: 31.5 MB). Free memory was 436.1 MB in the beginning and 515.1 MB in the end (delta: -79.0 MB). Peak memory consumption was 28.7 MB. Max. memory is 50.3 GB. [2020-07-01 12:06:54,525 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.96 ms. Allocated memory is still 546.3 MB. Free memory was 515.1 MB in the beginning and 513.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 50.3 GB. [2020-07-01 12:06:54,525 INFO L168 Benchmark]: Boogie Preprocessor took 16.93 ms. Allocated memory is still 546.3 MB. Free memory was 513.6 MB in the beginning and 512.8 MB in the end (delta: 757.4 kB). Peak memory consumption was 757.4 kB. Max. memory is 50.3 GB. [2020-07-01 12:06:54,526 INFO L168 Benchmark]: RCFGBuilder took 236.09 ms. Allocated memory is still 546.3 MB. Free memory was 512.1 MB in the beginning and 499.9 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 50.3 GB. [2020-07-01 12:06:54,527 INFO L168 Benchmark]: BlockEncodingV2 took 79.78 ms. Allocated memory is still 546.3 MB. Free memory was 499.9 MB in the beginning and 494.6 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 50.3 GB. [2020-07-01 12:06:54,527 INFO L168 Benchmark]: TraceAbstraction took 166.69 ms. Allocated memory is still 546.3 MB. Free memory was 493.9 MB in the beginning and 483.8 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 50.3 GB. [2020-07-01 12:06:54,528 INFO L168 Benchmark]: BuchiAutomizer took 264.73 ms. Allocated memory is still 546.3 MB. Free memory was 483.1 MB in the beginning and 467.1 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 50.3 GB. [2020-07-01 12:06:54,531 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 10 locations, 14 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 514.9 MB. Free memory is still 456.0 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 279.86 ms. Allocated memory was 514.9 MB in the beginning and 546.3 MB in the end (delta: 31.5 MB). Free memory was 436.1 MB in the beginning and 515.1 MB in the end (delta: -79.0 MB). Peak memory consumption was 28.7 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 32.96 ms. Allocated memory is still 546.3 MB. Free memory was 515.1 MB in the beginning and 513.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 16.93 ms. Allocated memory is still 546.3 MB. Free memory was 513.6 MB in the beginning and 512.8 MB in the end (delta: 757.4 kB). Peak memory consumption was 757.4 kB. Max. memory is 50.3 GB. * RCFGBuilder took 236.09 ms. Allocated memory is still 546.3 MB. Free memory was 512.1 MB in the beginning and 499.9 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 79.78 ms. Allocated memory is still 546.3 MB. Free memory was 499.9 MB in the beginning and 494.6 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 50.3 GB. * TraceAbstraction took 166.69 ms. Allocated memory is still 546.3 MB. Free memory was 493.9 MB in the beginning and 483.8 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 264.73 ms. Allocated memory is still 546.3 MB. Free memory was 483.1 MB in the beginning and 467.1 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 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, 10 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=10occurred 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 12:06:50.146 ----------------------------------------------- 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_UO3qOv/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-07-01 12:06:54.764 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check