/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 10:33:22,854 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-01 10:33:22,856 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-01 10:33:22,867 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-01 10:33:22,867 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-01 10:33:22,868 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-01 10:33:22,869 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-01 10:33:22,871 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-01 10:33:22,873 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-01 10:33:22,874 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-01 10:33:22,874 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-01 10:33:22,875 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-01 10:33:22,876 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-01 10:33:22,876 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-01 10:33:22,877 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-01 10:33:22,878 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-01 10:33:22,879 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-01 10:33:22,880 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-01 10:33:22,882 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-01 10:33:22,884 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-01 10:33:22,885 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-01 10:33:22,886 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-01 10:33:22,887 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-01 10:33:22,888 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-01 10:33:22,890 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-01 10:33:22,890 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-01 10:33:22,890 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-01 10:33:22,891 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-01 10:33:22,891 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-01 10:33:22,892 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-01 10:33:22,893 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-01 10:33:22,893 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-01 10:33:22,894 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-01 10:33:22,895 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-01 10:33:22,895 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-01 10:33:22,896 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-01 10:33:22,896 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-01 10:33:22,896 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-01 10:33:22,897 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-01 10:33:22,897 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-01 10:33:22,898 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-01 10:33:22,899 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf [2020-07-01 10:33:22,913 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-01 10:33:22,913 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-01 10:33:22,914 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-01 10:33:22,915 INFO L138 SettingsManager]: * Rewrite not-equals=true [2020-07-01 10:33:22,915 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-01 10:33:22,915 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-07-01 10:33:22,915 INFO L138 SettingsManager]: * Use SBE=true [2020-07-01 10:33:22,915 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-01 10:33:22,916 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-01 10:33:22,916 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-01 10:33:22,916 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-07-01 10:33:22,916 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-01 10:33:22,916 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-01 10:33:22,916 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2020-07-01 10:33:22,916 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 10:33:22,917 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-01 10:33:22,917 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-01 10:33:22,917 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-01 10:33:22,917 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-01 10:33:22,917 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-01 10:33:22,917 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-07-01 10:33:22,918 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-01 10:33:22,918 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-01 10:33:22,918 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-01 10:33:22,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 10:33:22,918 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-01 10:33:22,918 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-01 10:33:22,919 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-01 10:33:22,919 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-01 10:33:23,081 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-01 10:33:23,095 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-01 10:33:23,099 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-01 10:33:23,100 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-01 10:33:23,101 INFO L275 PluginConnector]: CDTParser initialized [2020-07-01 10:33:23,101 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c [2020-07-01 10:33:23,183 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/BenchExec_run_pV1EuG/tmp/41554563dd994a979d7b5daf34f14aae/FLAG87e87661e [2020-07-01 10:33:23,522 INFO L306 CDTParser]: Found 1 translation units. [2020-07-01 10:33:23,523 INFO L160 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c [2020-07-01 10:33:23,529 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/BenchExec_run_pV1EuG/tmp/41554563dd994a979d7b5daf34f14aae/FLAG87e87661e [2020-07-01 10:33:23,947 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/BenchExec_run_pV1EuG/tmp/41554563dd994a979d7b5daf34f14aae [2020-07-01 10:33:23,959 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-01 10:33:23,960 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-07-01 10:33:23,961 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-01 10:33:23,962 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-01 10:33:23,965 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-01 10:33:23,966 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 10:33:23" (1/1) ... [2020-07-01 10:33:23,969 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@524b5777 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:33:23, skipping insertion in model container [2020-07-01 10:33:23,969 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 10:33:23" (1/1) ... [2020-07-01 10:33:23,977 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-01 10:33:23,994 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-01 10:33:24,209 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 10:33:24,214 INFO L203 MainTranslator]: Completed pre-run [2020-07-01 10:33:24,229 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 10:33:24,243 INFO L208 MainTranslator]: Completed translation [2020-07-01 10:33:24,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:33:24 WrapperNode [2020-07-01 10:33:24,244 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-01 10:33:24,245 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-01 10:33:24,245 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-01 10:33:24,245 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-01 10:33:24,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:33:24" (1/1) ... [2020-07-01 10:33:24,259 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:33:24" (1/1) ... [2020-07-01 10:33:24,277 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-01 10:33:24,277 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-01 10:33:24,277 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-01 10:33:24,277 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-01 10:33:24,286 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:33:24" (1/1) ... [2020-07-01 10:33:24,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:33:24" (1/1) ... [2020-07-01 10:33:24,287 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:33:24" (1/1) ... [2020-07-01 10:33:24,287 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:33:24" (1/1) ... [2020-07-01 10:33:24,289 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:33:24" (1/1) ... [2020-07-01 10:33:24,294 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:33:24" (1/1) ... [2020-07-01 10:33:24,294 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:33:24" (1/1) ... [2020-07-01 10:33:24,296 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-01 10:33:24,296 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-01 10:33:24,296 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-01 10:33:24,296 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-01 10:33:24,297 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:33:24" (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 10:33:24,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-01 10:33:24,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-01 10:33:24,500 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-01 10:33:24,500 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-01 10:33:24,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:33:24 BoogieIcfgContainer [2020-07-01 10:33:24,504 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-01 10:33:24,504 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-07-01 10:33:24,505 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-07-01 10:33:24,507 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2020-07-01 10:33:24,507 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:33:24" (1/1) ... [2020-07-01 10:33:24,519 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges [2020-07-01 10:33:24,521 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-07-01 10:33:24,521 INFO L263 BlockEncoder]: Using Maximize final states [2020-07-01 10:33:24,522 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-07-01 10:33:24,522 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-07-01 10:33:24,524 INFO L296 BlockEncoder]: Using Remove sink states [2020-07-01 10:33:24,525 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-07-01 10:33:24,525 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-07-01 10:33:24,540 INFO L185 BlockEncoder]: Using Use SBE [2020-07-01 10:33:24,553 INFO L200 BlockEncoder]: SBE split 1 edges [2020-07-01 10:33:24,557 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-07-01 10:33:24,559 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 10:33:24,574 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2020-07-01 10:33:24,576 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states [2020-07-01 10:33:24,577 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 10:33:24,577 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 10:33:24,577 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-07-01 10:33:24,578 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 10:33:24,578 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 5 edges [2020-07-01 10:33:24,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 10:33:24 BasicIcfg [2020-07-01 10:33:24,579 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-07-01 10:33:24,580 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-01 10:33:24,580 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-01 10:33:24,583 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-01 10:33:24,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.07 10:33:23" (1/4) ... [2020-07-01 10:33:24,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62887d1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 10:33:24, skipping insertion in model container [2020-07-01 10:33:24,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:33:24" (2/4) ... [2020-07-01 10:33:24,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62887d1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 10:33:24, skipping insertion in model container [2020-07-01 10:33:24,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:33:24" (3/4) ... [2020-07-01 10:33:24,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62887d1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:33:24, skipping insertion in model container [2020-07-01 10:33:24,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 10:33:24" (4/4) ... [2020-07-01 10:33:24,588 INFO L109 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 10:33:24,598 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-07-01 10:33:24,605 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-07-01 10:33:24,619 INFO L251 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-07-01 10:33:24,642 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-01 10:33:24,642 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-01 10:33:24,642 INFO L377 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 10:33:24,642 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 10:33:24,642 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 10:33:24,643 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-01 10:33:24,643 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 10:33:24,643 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-01 10:33:24,657 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. [2020-07-01 10:33:24,662 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-01 10:33:24,665 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. [2020-07-01 10:33:24,717 INFO L268 CegarLoopResult]: For program point L14(lines 14 18) no Hoare annotation was computed. [2020-07-01 10:33:24,717 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-01 10:33:24,718 INFO L271 CegarLoopResult]: At program point L14-2(lines 13 19) the Hoare annotation is: true [2020-07-01 10:33:24,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:33:24 BasicIcfg [2020-07-01 10:33:24,726 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-01 10:33:24,727 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-01 10:33:24,727 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-01 10:33:24,730 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-01 10:33:24,731 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:33:24,731 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.07 10:33:23" (1/5) ... [2020-07-01 10:33:24,732 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@ceb116d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 10:33:24, skipping insertion in model container [2020-07-01 10:33:24,732 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:33:24,732 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:33:24" (2/5) ... [2020-07-01 10:33:24,733 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@ceb116d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 10:33:24, skipping insertion in model container [2020-07-01 10:33:24,733 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:33:24,733 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:33:24" (3/5) ... [2020-07-01 10:33:24,733 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@ceb116d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 10:33:24, skipping insertion in model container [2020-07-01 10:33:24,734 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:33:24,734 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 10:33:24" (4/5) ... [2020-07-01 10:33:24,734 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@ceb116d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 10:33:24, skipping insertion in model container [2020-07-01 10:33:24,734 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:33:24,734 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:33:24" (5/5) ... [2020-07-01 10:33:24,736 INFO L371 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 10:33:24,764 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-01 10:33:24,765 INFO L357 BuchiCegarLoop]: Hoare is true [2020-07-01 10:33:24,765 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 10:33:24,765 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 10:33:24,765 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 10:33:24,765 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-01 10:33:24,765 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 10:33:24,765 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-01 10:33:24,769 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-07-01 10:33:24,787 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-01 10:33:24,787 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 10:33:24,787 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 10:33:24,792 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-01 10:33:24,793 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-07-01 10:33:24,793 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-01 10:33:24,793 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-07-01 10:33:24,793 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-01 10:33:24,794 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 10:33:24,794 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 10:33:24,794 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-01 10:33:24,794 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-07-01 10:33:24,799 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [25] ULTIMATE.startENTRY-->L14-2: Formula: (and (= v_ULTIMATE.start_main_~bm~0_1 v_ULTIMATE.start_main_~b~0_1) (= v_ULTIMATE.start_main_~am~0_1 v_ULTIMATE.start_main_~a~0_1)) InVars {} OutVars{ULTIMATE.start_main_~bm~0=v_ULTIMATE.start_main_~bm~0_1, ULTIMATE.start_main_~a~0=v_ULTIMATE.start_main_~a~0_1, ULTIMATE.start_main_~am~0=v_ULTIMATE.start_main_~am~0_1, ULTIMATE.start_main_~b~0=v_ULTIMATE.start_main_~b~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_~bm~0, ULTIMATE.start_main_~a~0, ULTIMATE.start_main_~am~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~b~0] 4#L14-2true [2020-07-01 10:33:24,799 INFO L796 eck$LassoCheckResult]: Loop: 4#L14-2true [35] L14-2-->L14: Formula: (> v_ULTIMATE.start_main_~am~0_7 v_ULTIMATE.start_main_~bm~0_7) InVars {ULTIMATE.start_main_~bm~0=v_ULTIMATE.start_main_~bm~0_7, ULTIMATE.start_main_~am~0=v_ULTIMATE.start_main_~am~0_7} OutVars{ULTIMATE.start_main_~bm~0=v_ULTIMATE.start_main_~bm~0_7, ULTIMATE.start_main_~am~0=v_ULTIMATE.start_main_~am~0_7} AuxVars[] AssignedVars[] 5#L14true [34] L14-->L14-2: Formula: (and (>= v_ULTIMATE.start_main_~bm~0_10 v_ULTIMATE.start_main_~am~0_10) (= v_ULTIMATE.start_main_~am~0_9 (+ v_ULTIMATE.start_main_~am~0_10 v_ULTIMATE.start_main_~a~0_4))) InVars {ULTIMATE.start_main_~bm~0=v_ULTIMATE.start_main_~bm~0_10, ULTIMATE.start_main_~a~0=v_ULTIMATE.start_main_~a~0_4, ULTIMATE.start_main_~am~0=v_ULTIMATE.start_main_~am~0_10} OutVars{ULTIMATE.start_main_~bm~0=v_ULTIMATE.start_main_~bm~0_10, ULTIMATE.start_main_~a~0=v_ULTIMATE.start_main_~a~0_4, ULTIMATE.start_main_~am~0=v_ULTIMATE.start_main_~am~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~am~0] 4#L14-2true [2020-07-01 10:33:24,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 10:33:24,806 INFO L82 PathProgramCache]: Analyzing trace with hash 56, now seen corresponding path program 1 times [2020-07-01 10:33:24,815 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 10:33:24,815 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235411592] [2020-07-01 10:33:24,816 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 10:33:24,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:33:24,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:33:24,888 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 10:33:24,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 10:33:24,889 INFO L82 PathProgramCache]: Analyzing trace with hash 2080, now seen corresponding path program 1 times [2020-07-01 10:33:24,890 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 10:33:24,890 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311864374] [2020-07-01 10:33:24,890 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 10:33:24,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 10:33:24,945 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 10:33:24,945 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311864374] [2020-07-01 10:33:24,946 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 10:33:24,946 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-07-01 10:33:24,947 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34910839] [2020-07-01 10:33:24,953 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-07-01 10:33:24,954 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 10:33:24,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-01 10:33:24,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-01 10:33:24,970 INFO L87 Difference]: Start difference. First operand 3 states. Second operand 3 states. [2020-07-01 10:33:24,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 10:33:24,993 INFO L93 Difference]: Finished difference Result 4 states and 6 transitions. [2020-07-01 10:33:24,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-01 10:33:24,996 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 10:33:25,000 INFO L168 Benchmark]: Toolchain (without parser) took 1039.12 ms. Allocated memory was 649.6 MB in the beginning and 679.0 MB in the end (delta: 29.4 MB). Free memory was 561.6 MB in the beginning and 590.0 MB in the end (delta: -28.5 MB). Peak memory consumption was 896.6 kB. Max. memory is 50.3 GB. [2020-07-01 10:33:25,001 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 583.2 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-07-01 10:33:25,002 INFO L168 Benchmark]: CACSL2BoogieTranslator took 282.60 ms. Allocated memory was 649.6 MB in the beginning and 679.0 MB in the end (delta: 29.4 MB). Free memory was 561.6 MB in the beginning and 643.4 MB in the end (delta: -81.8 MB). Peak memory consumption was 28.6 MB. Max. memory is 50.3 GB. [2020-07-01 10:33:25,002 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.22 ms. Allocated memory is still 679.0 MB. Free memory was 643.4 MB in the beginning and 642.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. [2020-07-01 10:33:25,003 INFO L168 Benchmark]: Boogie Preprocessor took 18.80 ms. Allocated memory is still 679.0 MB. Free memory was 642.1 MB in the beginning and 640.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. [2020-07-01 10:33:25,004 INFO L168 Benchmark]: RCFGBuilder took 207.99 ms. Allocated memory is still 679.0 MB. Free memory was 640.7 MB in the beginning and 626.4 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 50.3 GB. [2020-07-01 10:33:25,004 INFO L168 Benchmark]: BlockEncodingV2 took 74.50 ms. Allocated memory is still 679.0 MB. Free memory was 626.4 MB in the beginning and 621.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. [2020-07-01 10:33:25,005 INFO L168 Benchmark]: TraceAbstraction took 146.51 ms. Allocated memory is still 679.0 MB. Free memory was 621.0 MB in the beginning and 611.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. [2020-07-01 10:33:25,006 INFO L168 Benchmark]: BuchiAutomizer took 270.59 ms. Allocated memory is still 679.0 MB. Free memory was 611.6 MB in the beginning and 590.0 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 50.3 GB. [2020-07-01 10:33:25,010 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 7 locations, 9 edges - StatisticsResult: Encoded RCFG 3 locations, 5 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 583.2 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 282.60 ms. Allocated memory was 649.6 MB in the beginning and 679.0 MB in the end (delta: 29.4 MB). Free memory was 561.6 MB in the beginning and 643.4 MB in the end (delta: -81.8 MB). Peak memory consumption was 28.6 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 32.22 ms. Allocated memory is still 679.0 MB. Free memory was 643.4 MB in the beginning and 642.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 18.80 ms. Allocated memory is still 679.0 MB. Free memory was 642.1 MB in the beginning and 640.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. * RCFGBuilder took 207.99 ms. Allocated memory is still 679.0 MB. Free memory was 640.7 MB in the beginning and 626.4 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 74.50 ms. Allocated memory is still 679.0 MB. Free memory was 626.4 MB in the beginning and 621.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. * TraceAbstraction took 146.51 ms. Allocated memory is still 679.0 MB. Free memory was 621.0 MB in the beginning and 611.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 270.59 ms. Allocated memory is still 679.0 MB. Free memory was 611.6 MB in the beginning and 590.0 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.6 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: 13]: 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 10:33:20.625 ----------------------------------------------- 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_pV1EuG/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-07-01 10:33:25.244 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check