/export/starexec/sandbox/solver/bin/starexec_run_default /export/starexec/sandbox/benchmark/theBenchmark.c /export/starexec/sandbox/output/output_files -------------------------------------------------------------------------------- Ultimate: Cannot open display: This is Ultimate 0.1.25-34f2e62 [2020-07-01 10:37:22,134 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-01 10:37:22,137 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-01 10:37:22,148 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-01 10:37:22,148 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-01 10:37:22,149 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-01 10:37:22,150 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-01 10:37:22,152 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-01 10:37:22,154 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-01 10:37:22,154 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-01 10:37:22,155 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-01 10:37:22,156 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-01 10:37:22,156 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-01 10:37:22,157 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-01 10:37:22,158 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-01 10:37:22,159 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-01 10:37:22,160 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-01 10:37:22,161 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-01 10:37:22,163 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-01 10:37:22,165 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-01 10:37:22,166 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-01 10:37:22,167 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-01 10:37:22,168 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-01 10:37:22,169 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-01 10:37:22,171 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-01 10:37:22,172 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-01 10:37:22,172 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-01 10:37:22,173 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-01 10:37:22,173 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-01 10:37:22,174 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-01 10:37:22,174 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-01 10:37:22,175 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-01 10:37:22,176 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-01 10:37:22,176 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-01 10:37:22,177 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-01 10:37:22,178 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-01 10:37:22,178 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-01 10:37:22,178 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-01 10:37:22,179 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-01 10:37:22,179 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-01 10:37:22,180 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-01 10:37:22,181 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf [2020-07-01 10:37:22,195 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-01 10:37:22,195 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-01 10:37:22,196 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-01 10:37:22,196 INFO L138 SettingsManager]: * Rewrite not-equals=true [2020-07-01 10:37:22,197 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-01 10:37:22,197 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-07-01 10:37:22,197 INFO L138 SettingsManager]: * Use SBE=true [2020-07-01 10:37:22,197 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-01 10:37:22,197 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-01 10:37:22,198 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-01 10:37:22,198 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-07-01 10:37:22,198 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-01 10:37:22,198 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-01 10:37:22,198 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2020-07-01 10:37:22,198 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 10:37:22,199 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-01 10:37:22,199 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-01 10:37:22,199 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-01 10:37:22,199 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-01 10:37:22,199 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-01 10:37:22,200 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-07-01 10:37:22,200 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-01 10:37:22,200 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-01 10:37:22,200 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-01 10:37:22,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 10:37:22,200 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-01 10:37:22,201 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-01 10:37:22,201 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-01 10:37:22,201 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-01 10:37:22,362 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-01 10:37:22,376 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-01 10:37:22,379 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-01 10:37:22,381 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-01 10:37:22,381 INFO L275 PluginConnector]: CDTParser initialized [2020-07-01 10:37:22,382 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c [2020-07-01 10:37:22,443 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/BenchExec_run_TZlSIs/tmp/1910e6fef398456a9d607a4550cfb0b7/FLAGe0aa8c145 [2020-07-01 10:37:22,790 INFO L306 CDTParser]: Found 1 translation units. [2020-07-01 10:37:22,790 INFO L160 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c [2020-07-01 10:37:22,797 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/BenchExec_run_TZlSIs/tmp/1910e6fef398456a9d607a4550cfb0b7/FLAGe0aa8c145 [2020-07-01 10:37:23,203 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/BenchExec_run_TZlSIs/tmp/1910e6fef398456a9d607a4550cfb0b7 [2020-07-01 10:37:23,214 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-01 10:37:23,215 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-07-01 10:37:23,217 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-01 10:37:23,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-01 10:37:23,221 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-01 10:37:23,222 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 10:37:23" (1/1) ... [2020-07-01 10:37:23,225 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f3ff7df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:37:23, skipping insertion in model container [2020-07-01 10:37:23,225 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 10:37:23" (1/1) ... [2020-07-01 10:37:23,233 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-01 10:37:23,251 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-01 10:37:23,475 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 10:37:23,480 INFO L203 MainTranslator]: Completed pre-run [2020-07-01 10:37:23,497 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 10:37:23,512 INFO L208 MainTranslator]: Completed translation [2020-07-01 10:37:23,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:37:23 WrapperNode [2020-07-01 10:37:23,512 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-01 10:37:23,513 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-01 10:37:23,513 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-01 10:37:23,514 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-01 10:37:23,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:37:23" (1/1) ... [2020-07-01 10:37:23,529 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:37:23" (1/1) ... [2020-07-01 10:37:23,549 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-01 10:37:23,550 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-01 10:37:23,550 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-01 10:37:23,550 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-01 10:37:23,560 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:37:23" (1/1) ... [2020-07-01 10:37:23,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:37:23" (1/1) ... [2020-07-01 10:37:23,561 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:37:23" (1/1) ... [2020-07-01 10:37:23,561 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:37:23" (1/1) ... [2020-07-01 10:37:23,563 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:37:23" (1/1) ... [2020-07-01 10:37:23,568 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:37:23" (1/1) ... [2020-07-01 10:37:23,569 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:37:23" (1/1) ... [2020-07-01 10:37:23,570 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-01 10:37:23,571 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-01 10:37:23,571 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-01 10:37:23,571 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-01 10:37:23,572 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:37:23" (1/1) ... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 10:37:23,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-01 10:37:23,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-01 10:37:23,816 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-01 10:37:23,816 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-01 10:37:23,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:37:23 BoogieIcfgContainer [2020-07-01 10:37:23,820 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-01 10:37:23,820 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-07-01 10:37:23,820 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-07-01 10:37:23,823 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2020-07-01 10:37:23,824 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:37:23" (1/1) ... [2020-07-01 10:37:23,836 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 11 edges [2020-07-01 10:37:23,837 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-07-01 10:37:23,838 INFO L263 BlockEncoder]: Using Maximize final states [2020-07-01 10:37:23,839 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-07-01 10:37:23,839 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-07-01 10:37:23,841 INFO L296 BlockEncoder]: Using Remove sink states [2020-07-01 10:37:23,842 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-07-01 10:37:23,842 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-07-01 10:37:23,856 INFO L185 BlockEncoder]: Using Use SBE [2020-07-01 10:37:23,869 INFO L200 BlockEncoder]: SBE split 1 edges [2020-07-01 10:37:23,873 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-07-01 10:37:23,875 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 10:37:23,886 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2020-07-01 10:37:23,888 INFO L70 RemoveSinkStates]: Removed 4 edges and 2 locations by removing sink states [2020-07-01 10:37:23,889 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 10:37:23,889 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 10:37:23,895 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2020-07-01 10:37:23,895 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 10:37:23,896 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 10:37:23,896 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 10:37:23,896 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-07-01 10:37:23,896 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 10:37:23,896 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2020-07-01 10:37:23,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 10:37:23 BasicIcfg [2020-07-01 10:37:23,897 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-07-01 10:37:23,898 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-01 10:37:23,898 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-01 10:37:23,902 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-01 10:37:23,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.07 10:37:23" (1/4) ... [2020-07-01 10:37:23,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a38f54a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 10:37:23, skipping insertion in model container [2020-07-01 10:37:23,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:37:23" (2/4) ... [2020-07-01 10:37:23,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a38f54a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 10:37:23, skipping insertion in model container [2020-07-01 10:37:23,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:37:23" (3/4) ... [2020-07-01 10:37:23,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a38f54a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:37:23, skipping insertion in model container [2020-07-01 10:37:23,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 10:37:23" (4/4) ... [2020-07-01 10:37:23,906 INFO L109 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 10:37:23,916 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-07-01 10:37:23,937 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-07-01 10:37:23,951 INFO L251 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-07-01 10:37:23,974 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-01 10:37:23,974 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-01 10:37:23,974 INFO L377 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 10:37:23,975 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 10:37:23,975 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 10:37:23,975 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-01 10:37:23,975 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 10:37:23,975 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-01 10:37:23,989 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. [2020-07-01 10:37:23,994 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-01 10:37:23,997 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. [2020-07-01 10:37:24,051 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-01 10:37:24,051 INFO L268 CegarLoopResult]: For program point L21(lines 21 26) no Hoare annotation was computed. [2020-07-01 10:37:24,051 INFO L271 CegarLoopResult]: At program point L21-2(lines 20 27) the Hoare annotation is: true [2020-07-01 10:37:24,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:37:24 BasicIcfg [2020-07-01 10:37:24,060 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-01 10:37:24,061 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-01 10:37:24,061 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-01 10:37:24,064 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-01 10:37:24,065 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:37:24,065 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.07 10:37:23" (1/5) ... [2020-07-01 10:37:24,066 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@27cb3ef8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 10:37:24, skipping insertion in model container [2020-07-01 10:37:24,066 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:37:24,066 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:37:23" (2/5) ... [2020-07-01 10:37:24,066 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@27cb3ef8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 10:37:24, skipping insertion in model container [2020-07-01 10:37:24,067 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:37:24,067 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:37:23" (3/5) ... [2020-07-01 10:37:24,067 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@27cb3ef8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 10:37:24, skipping insertion in model container [2020-07-01 10:37:24,067 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:37:24,067 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 10:37:23" (4/5) ... [2020-07-01 10:37:24,068 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@27cb3ef8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 10:37:24, skipping insertion in model container [2020-07-01 10:37:24,068 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:37:24,068 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:37:24" (5/5) ... [2020-07-01 10:37:24,070 INFO L371 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 10:37:24,097 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-01 10:37:24,097 INFO L357 BuchiCegarLoop]: Hoare is true [2020-07-01 10:37:24,097 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 10:37:24,098 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 10:37:24,098 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 10:37:24,098 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-01 10:37:24,098 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 10:37:24,098 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-01 10:37:24,101 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-07-01 10:37:24,118 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-01 10:37:24,118 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 10:37:24,118 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 10:37:24,124 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-01 10:37:24,124 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-07-01 10:37:24,124 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-01 10:37:24,124 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-07-01 10:37:24,125 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-01 10:37:24,125 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 10:37:24,125 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 10:37:24,125 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-01 10:37:24,125 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-07-01 10:37:24,131 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [48] ULTIMATE.startENTRY-->L21-2: Formula: (and (<= 0 v_ULTIMATE.start_main_~n~0_8) (= 0 v_ULTIMATE.start_main_~v2~0_9) (= v_ULTIMATE.start_main_~n~0_8 v_ULTIMATE.start_main_~v1~0_9) (< 0 v_ULTIMATE.start_main_~m~0_10)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_~v2~0=v_ULTIMATE.start_main_~v2~0_9, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_10, ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_8, ULTIMATE.start_main_~v1~0=v_ULTIMATE.start_main_~v1~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~v2~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~m~0, ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~v1~0] 5#L21-2true [2020-07-01 10:37:24,131 INFO L796 eck$LassoCheckResult]: Loop: 5#L21-2true [39] L21-2-->L21: Formula: (< 0 v_ULTIMATE.start_main_~v1~0_8) InVars {ULTIMATE.start_main_~v1~0=v_ULTIMATE.start_main_~v1~0_8} OutVars{ULTIMATE.start_main_~v1~0=v_ULTIMATE.start_main_~v1~0_8} AuxVars[] AssignedVars[] 3#L21true [43] L21-->L21-2: Formula: (and (= v_ULTIMATE.start_main_~v2~0_6 0) (>= v_ULTIMATE.start_main_~v2~0_7 v_ULTIMATE.start_main_~m~0_7)) InVars {ULTIMATE.start_main_~v2~0=v_ULTIMATE.start_main_~v2~0_7, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_7} OutVars{ULTIMATE.start_main_~v2~0=v_ULTIMATE.start_main_~v2~0_6, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~v2~0] 5#L21-2true [2020-07-01 10:37:24,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 10:37:24,138 INFO L82 PathProgramCache]: Analyzing trace with hash 79, now seen corresponding path program 1 times [2020-07-01 10:37:24,149 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 10:37:24,150 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2855144] [2020-07-01 10:37:24,150 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 10:37:24,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:37:24,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:37:24,222 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 10:37:24,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 10:37:24,223 INFO L82 PathProgramCache]: Analyzing trace with hash 2213, now seen corresponding path program 1 times [2020-07-01 10:37:24,223 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 10:37:24,224 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571411634] [2020-07-01 10:37:24,224 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 10:37:24,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:37:24,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:37:24,236 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 10:37:24,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 10:37:24,238 INFO L82 PathProgramCache]: Analyzing trace with hash 77171, now seen corresponding path program 1 times [2020-07-01 10:37:24,238 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 10:37:24,238 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967211630] [2020-07-01 10:37:24,238 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 10:37:24,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 10:37:24,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-01 10:37:24,293 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967211630] [2020-07-01 10:37:24,293 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 10:37:24,293 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-07-01 10:37:24,294 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678864238] [2020-07-01 10:37:24,330 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 10:37:24,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-01 10:37:24,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-01 10:37:24,346 INFO L87 Difference]: Start difference. First operand 3 states. Second operand 3 states. [2020-07-01 10:37:24,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 10:37:24,363 INFO L93 Difference]: Finished difference Result 5 states and 6 transitions. [2020-07-01 10:37:24,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-01 10:37:24,366 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: unknown kind of automaton at de.uni_freiburg.informatik.ultimate.automata.AutomatonDefinitionPrinter.printAutomaton(AutomatonDefinitionPrinter.java:349) at de.uni_freiburg.informatik.ultimate.automata.AutomatonDefinitionPrinter.toString(AutomatonDefinitionPrinter.java:186) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.TermcompProofBenchmark.reportFiniteModule(TermcompProofBenchmark.java:61) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.refineFinite(BuchiCegarLoop.java:978) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:532) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:380) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-01 10:37:24,386 INFO L168 Benchmark]: Toolchain (without parser) took 1154.45 ms. Allocated memory was 514.9 MB in the beginning and 567.8 MB in the end (delta: 53.0 MB). Free memory was 438.8 MB in the beginning and 483.6 MB in the end (delta: -44.7 MB). Peak memory consumption was 8.2 MB. Max. memory is 50.3 GB. [2020-07-01 10:37:24,386 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 514.9 MB. Free memory is still 458.7 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-07-01 10:37:24,387 INFO L168 Benchmark]: CACSL2BoogieTranslator took 295.54 ms. Allocated memory was 514.9 MB in the beginning and 567.8 MB in the end (delta: 53.0 MB). Free memory was 438.8 MB in the beginning and 535.8 MB in the end (delta: -97.0 MB). Peak memory consumption was 29.0 MB. Max. memory is 50.3 GB. [2020-07-01 10:37:24,388 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.46 ms. Allocated memory is still 567.8 MB. Free memory was 535.8 MB in the beginning and 534.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 50.3 GB. [2020-07-01 10:37:24,388 INFO L168 Benchmark]: Boogie Preprocessor took 20.43 ms. Allocated memory is still 567.8 MB. Free memory was 533.7 MB in the beginning and 532.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. [2020-07-01 10:37:24,389 INFO L168 Benchmark]: RCFGBuilder took 249.23 ms. Allocated memory is still 567.8 MB. Free memory was 532.6 MB in the beginning and 520.7 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 50.3 GB. [2020-07-01 10:37:24,389 INFO L168 Benchmark]: BlockEncodingV2 took 76.86 ms. Allocated memory is still 567.8 MB. Free memory was 520.7 MB in the beginning and 515.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. [2020-07-01 10:37:24,390 INFO L168 Benchmark]: TraceAbstraction took 161.65 ms. Allocated memory is still 567.8 MB. Free memory was 514.2 MB in the beginning and 506.0 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 50.3 GB. [2020-07-01 10:37:24,391 INFO L168 Benchmark]: BuchiAutomizer took 307.65 ms. Allocated memory is still 567.8 MB. Free memory was 506.0 MB in the beginning and 483.6 MB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 50.3 GB. [2020-07-01 10:37:24,394 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 8 locations, 11 edges - StatisticsResult: Encoded RCFG 3 locations, 4 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 514.9 MB. Free memory is still 458.7 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 295.54 ms. Allocated memory was 514.9 MB in the beginning and 567.8 MB in the end (delta: 53.0 MB). Free memory was 438.8 MB in the beginning and 535.8 MB in the end (delta: -97.0 MB). Peak memory consumption was 29.0 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 36.46 ms. Allocated memory is still 567.8 MB. Free memory was 535.8 MB in the beginning and 534.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 20.43 ms. Allocated memory is still 567.8 MB. Free memory was 533.7 MB in the beginning and 532.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. * RCFGBuilder took 249.23 ms. Allocated memory is still 567.8 MB. Free memory was 532.6 MB in the beginning and 520.7 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 76.86 ms. Allocated memory is still 567.8 MB. Free memory was 520.7 MB in the beginning and 515.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. * TraceAbstraction took 161.65 ms. Allocated memory is still 567.8 MB. Free memory was 514.2 MB in the beginning and 506.0 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 307.65 ms. Allocated memory is still 567.8 MB. Free memory was 506.0 MB in the beginning and 483.6 MB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 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. - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 3 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=3occurred 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, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: unknown kind of automaton de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: unknown kind of automaton: de.uni_freiburg.informatik.ultimate.automata.AutomatonDefinitionPrinter.printAutomaton(AutomatonDefinitionPrinter.java:349) RESULT: Ultimate could not prove your program: Toolchain returned no result. !SESSION 2020-07-01 10:37:19.822 ----------------------------------------------- eclipse.buildId=unknown java.version=1.8.0_242 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp/BenchExec_run_TZlSIs/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-07-01 10:37:24.628 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check