/export/starexec/sandbox2/solver/bin/starexec_run_default /export/starexec/sandbox2/benchmark/theBenchmark.c /export/starexec/sandbox2/output/output_files -------------------------------------------------------------------------------- Ultimate: Cannot open display: This is Ultimate 0.1.25-34f2e62 [2020-07-01 11:27:35,050 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-01 11:27:35,052 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-01 11:27:35,064 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-01 11:27:35,064 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-01 11:27:35,065 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-01 11:27:35,067 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-01 11:27:35,068 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-01 11:27:35,070 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-01 11:27:35,071 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-01 11:27:35,072 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-01 11:27:35,073 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-01 11:27:35,073 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-01 11:27:35,074 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-01 11:27:35,075 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-01 11:27:35,076 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-01 11:27:35,077 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-01 11:27:35,078 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-01 11:27:35,079 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-01 11:27:35,081 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-01 11:27:35,082 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-01 11:27:35,083 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-01 11:27:35,084 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-01 11:27:35,085 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-01 11:27:35,088 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-01 11:27:35,088 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-01 11:27:35,088 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-01 11:27:35,089 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-01 11:27:35,089 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-01 11:27:35,090 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-01 11:27:35,090 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-01 11:27:35,091 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-01 11:27:35,092 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-01 11:27:35,092 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-01 11:27:35,093 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-01 11:27:35,094 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-01 11:27:35,094 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-01 11:27:35,094 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-01 11:27:35,095 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-01 11:27:35,095 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-01 11:27:35,096 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-01 11:27:35,097 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-07-01 11:27:35,112 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-01 11:27:35,112 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-01 11:27:35,113 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-01 11:27:35,113 INFO L138 SettingsManager]: * Rewrite not-equals=true [2020-07-01 11:27:35,113 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-01 11:27:35,114 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-07-01 11:27:35,114 INFO L138 SettingsManager]: * Use SBE=true [2020-07-01 11:27:35,114 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-01 11:27:35,114 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-01 11:27:35,114 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-01 11:27:35,115 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-07-01 11:27:35,115 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-01 11:27:35,115 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-01 11:27:35,115 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2020-07-01 11:27:35,115 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:27:35,115 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-01 11:27:35,116 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-01 11:27:35,116 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-01 11:27:35,116 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-01 11:27:35,116 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-01 11:27:35,116 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-07-01 11:27:35,117 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-01 11:27:35,117 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-01 11:27:35,117 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-01 11:27:35,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 11:27:35,117 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-01 11:27:35,117 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-01 11:27:35,118 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-01 11:27:35,118 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-01 11:27:35,286 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-01 11:27:35,300 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-01 11:27:35,304 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-01 11:27:35,305 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-01 11:27:35,305 INFO L275 PluginConnector]: CDTParser initialized [2020-07-01 11:27:35,306 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-07-01 11:27:35,372 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/BenchExec_run_vxW1QW/tmp/be6e960632f74633bd63591b06206c65/FLAGd0ad57060 [2020-07-01 11:27:35,711 INFO L306 CDTParser]: Found 1 translation units. [2020-07-01 11:27:35,712 INFO L160 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-07-01 11:27:35,719 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/BenchExec_run_vxW1QW/tmp/be6e960632f74633bd63591b06206c65/FLAGd0ad57060 [2020-07-01 11:27:36,113 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/BenchExec_run_vxW1QW/tmp/be6e960632f74633bd63591b06206c65 [2020-07-01 11:27:36,124 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-01 11:27:36,126 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-07-01 11:27:36,127 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-01 11:27:36,127 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-01 11:27:36,131 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-01 11:27:36,131 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 11:27:36" (1/1) ... [2020-07-01 11:27:36,135 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@403a7cf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:27:36, skipping insertion in model container [2020-07-01 11:27:36,135 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 11:27:36" (1/1) ... [2020-07-01 11:27:36,143 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-01 11:27:36,161 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-01 11:27:36,384 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 11:27:36,389 INFO L203 MainTranslator]: Completed pre-run [2020-07-01 11:27:36,406 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 11:27:36,420 INFO L208 MainTranslator]: Completed translation [2020-07-01 11:27:36,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:27:36 WrapperNode [2020-07-01 11:27:36,421 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-01 11:27:36,422 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-01 11:27:36,422 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-01 11:27:36,422 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-01 11:27:36,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:27:36" (1/1) ... [2020-07-01 11:27:36,437 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:27:36" (1/1) ... [2020-07-01 11:27:36,457 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-01 11:27:36,457 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-01 11:27:36,457 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-01 11:27:36,457 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-01 11:27:36,467 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:27:36" (1/1) ... [2020-07-01 11:27:36,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:27:36" (1/1) ... [2020-07-01 11:27:36,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:27:36" (1/1) ... [2020-07-01 11:27:36,468 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:27:36" (1/1) ... [2020-07-01 11:27:36,470 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:27:36" (1/1) ... [2020-07-01 11:27:36,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:27:36" (1/1) ... [2020-07-01 11:27:36,477 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:27:36" (1/1) ... [2020-07-01 11:27:36,478 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-01 11:27:36,478 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-01 11:27:36,479 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-01 11:27:36,479 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-01 11:27:36,480 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:27:36" (1/1) ... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 11:27:36,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-01 11:27:36,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-01 11:27:36,720 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-01 11:27:36,720 INFO L295 CfgBuilder]: Removed 7 assume(true) statements. [2020-07-01 11:27:36,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:27:36 BoogieIcfgContainer [2020-07-01 11:27:36,724 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-01 11:27:36,725 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-07-01 11:27:36,725 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-07-01 11:27:36,727 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2020-07-01 11:27:36,728 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:27:36" (1/1) ... [2020-07-01 11:27:36,740 INFO L313 BlockEncoder]: Initial Icfg 10 locations, 16 edges [2020-07-01 11:27:36,742 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-07-01 11:27:36,742 INFO L263 BlockEncoder]: Using Maximize final states [2020-07-01 11:27:36,743 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-07-01 11:27:36,743 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-07-01 11:27:36,745 INFO L296 BlockEncoder]: Using Remove sink states [2020-07-01 11:27:36,746 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-07-01 11:27:36,746 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-07-01 11:27:36,762 INFO L185 BlockEncoder]: Using Use SBE [2020-07-01 11:27:36,776 INFO L200 BlockEncoder]: SBE split 1 edges [2020-07-01 11:27:36,782 INFO L70 emoveInfeasibleEdges]: Removed 3 edges and 0 locations because of local infeasibility [2020-07-01 11:27:36,784 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 11:27:36,799 INFO L100 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2020-07-01 11:27:36,801 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states [2020-07-01 11:27:36,803 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 11:27:36,803 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 11:27:36,803 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-07-01 11:27:36,804 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 11:27:36,804 INFO L313 BlockEncoder]: Encoded RCFG 5 locations, 9 edges [2020-07-01 11:27:36,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 11:27:36 BasicIcfg [2020-07-01 11:27:36,805 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-07-01 11:27:36,806 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-01 11:27:36,806 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-01 11:27:36,810 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-01 11:27:36,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.07 11:27:36" (1/4) ... [2020-07-01 11:27:36,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c4ed83b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 11:27:36, skipping insertion in model container [2020-07-01 11:27:36,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:27:36" (2/4) ... [2020-07-01 11:27:36,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c4ed83b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 11:27:36, skipping insertion in model container [2020-07-01 11:27:36,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:27:36" (3/4) ... [2020-07-01 11:27:36,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c4ed83b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 11:27:36, skipping insertion in model container [2020-07-01 11:27:36,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 11:27:36" (4/4) ... [2020-07-01 11:27:36,814 INFO L109 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 11:27:36,826 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-07-01 11:27:36,833 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-07-01 11:27:36,848 INFO L251 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-07-01 11:27:36,871 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-01 11:27:36,871 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-01 11:27:36,872 INFO L377 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 11:27:36,872 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 11:27:36,872 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 11:27:36,872 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-01 11:27:36,872 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 11:27:36,872 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-01 11:27:36,886 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2020-07-01 11:27:36,892 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-01 11:27:36,895 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 5 states. [2020-07-01 11:27:36,955 INFO L271 CegarLoopResult]: At program point L19-2(lines 19 21) the Hoare annotation is: true [2020-07-01 11:27:36,955 INFO L268 CegarLoopResult]: For program point L19-3(lines 16 31) no Hoare annotation was computed. [2020-07-01 11:27:36,956 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-01 11:27:36,956 INFO L271 CegarLoopResult]: At program point L24-2(lines 24 26) the Hoare annotation is: true [2020-07-01 11:27:36,956 INFO L271 CegarLoopResult]: At program point L22-1(lines 16 31) the Hoare annotation is: true [2020-07-01 11:27:36,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 11:27:36 BasicIcfg [2020-07-01 11:27:36,965 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-01 11:27:36,966 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-01 11:27:36,966 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-01 11:27:36,969 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-01 11:27:36,970 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:27:36,970 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.07 11:27:36" (1/5) ... [2020-07-01 11:27:36,971 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@a18ebd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 11:27:36, skipping insertion in model container [2020-07-01 11:27:36,971 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:27:36,971 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:27:36" (2/5) ... [2020-07-01 11:27:36,971 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@a18ebd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 11:27:36, skipping insertion in model container [2020-07-01 11:27:36,971 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:27:36,972 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:27:36" (3/5) ... [2020-07-01 11:27:36,972 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@a18ebd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 11:27:36, skipping insertion in model container [2020-07-01 11:27:36,972 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:27:36,972 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 11:27:36" (4/5) ... [2020-07-01 11:27:36,973 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@a18ebd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 11:27:36, skipping insertion in model container [2020-07-01 11:27:36,973 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:27:36,973 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 11:27:36" (5/5) ... [2020-07-01 11:27:36,974 INFO L371 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 11:27:37,002 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-01 11:27:37,003 INFO L357 BuchiCegarLoop]: Hoare is true [2020-07-01 11:27:37,003 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 11:27:37,003 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 11:27:37,003 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 11:27:37,003 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-01 11:27:37,003 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 11:27:37,003 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-01 11:27:37,007 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states. [2020-07-01 11:27:37,024 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-07-01 11:27:37,024 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 11:27:37,024 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 11:27:37,031 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-01 11:27:37,031 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-01 11:27:37,031 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-01 11:27:37,031 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states. [2020-07-01 11:27:37,032 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-07-01 11:27:37,032 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 11:27:37,032 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 11:27:37,032 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-01 11:27:37,033 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-01 11:27:37,037 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [53] ULTIMATE.startENTRY-->L22-1: Formula: (= v_ULTIMATE.start_main_~x~0_2 |v_ULTIMATE.start_main_#t~nondet0_4|) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_2, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_2, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 3#L22-1true [2020-07-01 11:27:37,038 INFO L796 eck$LassoCheckResult]: Loop: 3#L22-1true [51] L22-1-->L19-2: Formula: (and (< 1 v_ULTIMATE.start_main_~x~0_12) (= v_ULTIMATE.start_main_~y~0_9 v_ULTIMATE.start_main_~x~0_12)) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_12} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_12} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 7#L19-2true [66] L19-2-->L19-3: Formula: (>= 1 v_ULTIMATE.start_main_~y~0_10) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10} AuxVars[] AssignedVars[] 5#L19-3true [69] L19-3-->L22-1: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_8) (= v_ULTIMATE.start_main_~x~0_10 (+ (* v_ULTIMATE.start_main_~x~0_11 3) 1))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 3#L22-1true [2020-07-01 11:27:37,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 11:27:37,044 INFO L82 PathProgramCache]: Analyzing trace with hash 84, now seen corresponding path program 1 times [2020-07-01 11:27:37,053 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 11:27:37,054 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838073883] [2020-07-01 11:27:37,054 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 11:27:37,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:27:37,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:27:37,122 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 11:27:37,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 11:27:37,124 INFO L82 PathProgramCache]: Analyzing trace with hash 80917, now seen corresponding path program 1 times [2020-07-01 11:27:37,124 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 11:27:37,124 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504820300] [2020-07-01 11:27:37,124 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 11:27:37,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 11:27:37,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-01 11:27:37,178 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504820300] [2020-07-01 11:27:37,178 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 11:27:37,178 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-01 11:27:37,179 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655684946] [2020-07-01 11:27:37,185 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-07-01 11:27:37,186 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 11:27:37,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-01 11:27:37,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-01 11:27:37,202 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 3 states. [2020-07-01 11:27:37,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 11:27:37,232 INFO L93 Difference]: Finished difference Result 6 states and 10 transitions. [2020-07-01 11:27:37,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-01 11:27:37,235 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: unknown kind of automaton at de.uni_freiburg.informatik.ultimate.automata.AutomatonDefinitionPrinter.printAutomaton(AutomatonDefinitionPrinter.java:349) at de.uni_freiburg.informatik.ultimate.automata.AutomatonDefinitionPrinter.toString(AutomatonDefinitionPrinter.java:186) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.TermcompProofBenchmark.reportFiniteModule(TermcompProofBenchmark.java:61) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.refineFinite(BuchiCegarLoop.java:978) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:532) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:380) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-01 11:27:37,239 INFO L168 Benchmark]: Toolchain (without parser) took 1112.78 ms. Allocated memory was 514.9 MB in the beginning and 556.3 MB in the end (delta: 41.4 MB). Free memory was 436.5 MB in the beginning and 478.6 MB in the end (delta: -42.2 MB). There was no memory consumed. Max. memory is 50.3 GB. [2020-07-01 11:27:37,240 INFO L168 Benchmark]: CDTParser took 0.17 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 11:27:37,241 INFO L168 Benchmark]: CACSL2BoogieTranslator took 294.83 ms. Allocated memory was 514.9 MB in the beginning and 556.3 MB in the end (delta: 41.4 MB). Free memory was 435.9 MB in the beginning and 526.1 MB in the end (delta: -90.2 MB). Peak memory consumption was 28.6 MB. Max. memory is 50.3 GB. [2020-07-01 11:27:37,241 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.88 ms. Allocated memory is still 556.3 MB. Free memory was 526.1 MB in the beginning and 523.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 50.3 GB. [2020-07-01 11:27:37,242 INFO L168 Benchmark]: Boogie Preprocessor took 20.85 ms. Allocated memory is still 556.3 MB. Free memory was 523.8 MB in the beginning and 523.0 MB in the end (delta: 764.6 kB). Peak memory consumption was 764.6 kB. Max. memory is 50.3 GB. [2020-07-01 11:27:37,243 INFO L168 Benchmark]: RCFGBuilder took 245.79 ms. Allocated memory is still 556.3 MB. Free memory was 523.0 MB in the beginning and 510.8 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 50.3 GB. [2020-07-01 11:27:37,243 INFO L168 Benchmark]: BlockEncodingV2 took 80.36 ms. Allocated memory is still 556.3 MB. Free memory was 510.8 MB in the beginning and 505.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. [2020-07-01 11:27:37,244 INFO L168 Benchmark]: TraceAbstraction took 158.79 ms. Allocated memory is still 556.3 MB. Free memory was 504.7 MB in the beginning and 495.5 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 50.3 GB. [2020-07-01 11:27:37,244 INFO L168 Benchmark]: BuchiAutomizer took 271.07 ms. Allocated memory is still 556.3 MB. Free memory was 495.5 MB in the beginning and 478.6 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 50.3 GB. [2020-07-01 11:27:37,248 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 10 locations, 16 edges - StatisticsResult: Encoded RCFG 5 locations, 9 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 514.9 MB. Free memory is still 456.0 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 294.83 ms. Allocated memory was 514.9 MB in the beginning and 556.3 MB in the end (delta: 41.4 MB). Free memory was 435.9 MB in the beginning and 526.1 MB in the end (delta: -90.2 MB). Peak memory consumption was 28.6 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 34.88 ms. Allocated memory is still 556.3 MB. Free memory was 526.1 MB in the beginning and 523.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 20.85 ms. Allocated memory is still 556.3 MB. Free memory was 523.8 MB in the beginning and 523.0 MB in the end (delta: 764.6 kB). Peak memory consumption was 764.6 kB. Max. memory is 50.3 GB. * RCFGBuilder took 245.79 ms. Allocated memory is still 556.3 MB. Free memory was 523.0 MB in the beginning and 510.8 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 80.36 ms. Allocated memory is still 556.3 MB. Free memory was 510.8 MB in the beginning and 505.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. * TraceAbstraction took 158.79 ms. Allocated memory is still 556.3 MB. Free memory was 504.7 MB in the beginning and 495.5 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 271.07 ms. Allocated memory is still 556.3 MB. Free memory was 495.5 MB in the beginning and 478.6 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 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: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 5 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=5occurred 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, 3 LocationsWithAnnotation, 3 PreInvPairs, 3 NumberOfFragments, 3 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: unknown kind of automaton de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: unknown kind of automaton: de.uni_freiburg.informatik.ultimate.automata.AutomatonDefinitionPrinter.printAutomaton(AutomatonDefinitionPrinter.java:349) RESULT: Ultimate could not prove your program: Toolchain returned no result. !SESSION 2020-07-01 11:27:32.847 ----------------------------------------------- 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_vxW1QW/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-07-01 11:27:37.484 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check