/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 11:17:07,733 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-01 11:17:07,736 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-01 11:17:07,748 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-01 11:17:07,748 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-01 11:17:07,749 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-01 11:17:07,750 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-01 11:17:07,752 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-01 11:17:07,754 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-01 11:17:07,754 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-01 11:17:07,755 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-01 11:17:07,756 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-01 11:17:07,756 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-01 11:17:07,757 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-01 11:17:07,758 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-01 11:17:07,759 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-01 11:17:07,760 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-01 11:17:07,761 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-01 11:17:07,763 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-01 11:17:07,765 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-01 11:17:07,766 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-01 11:17:07,767 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-01 11:17:07,768 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-01 11:17:07,769 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-01 11:17:07,771 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-01 11:17:07,771 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-01 11:17:07,772 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-01 11:17:07,773 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-01 11:17:07,773 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-01 11:17:07,774 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-01 11:17:07,774 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-01 11:17:07,775 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-01 11:17:07,776 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-01 11:17:07,776 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-01 11:17:07,777 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-01 11:17:07,777 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-01 11:17:07,778 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-01 11:17:07,778 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-01 11:17:07,778 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-01 11:17:07,779 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-01 11:17:07,780 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-01 11:17:07,781 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf [2020-07-01 11:17:07,796 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-01 11:17:07,796 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-01 11:17:07,798 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-01 11:17:07,798 INFO L138 SettingsManager]: * Rewrite not-equals=true [2020-07-01 11:17:07,798 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-01 11:17:07,798 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-07-01 11:17:07,798 INFO L138 SettingsManager]: * Use SBE=true [2020-07-01 11:17:07,799 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-01 11:17:07,799 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-01 11:17:07,799 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-01 11:17:07,799 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-07-01 11:17:07,799 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-01 11:17:07,799 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-01 11:17:07,800 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2020-07-01 11:17:07,800 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:17:07,800 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-01 11:17:07,800 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-01 11:17:07,800 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-01 11:17:07,800 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-01 11:17:07,801 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-01 11:17:07,801 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-07-01 11:17:07,801 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-01 11:17:07,801 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-01 11:17:07,801 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-01 11:17:07,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 11:17:07,802 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-01 11:17:07,802 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-01 11:17:07,802 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-01 11:17:07,802 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-01 11:17:07,974 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-01 11:17:07,988 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-01 11:17:07,991 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-01 11:17:07,993 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-01 11:17:07,993 INFO L275 PluginConnector]: CDTParser initialized [2020-07-01 11:17:07,994 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c [2020-07-01 11:17:08,056 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/BenchExec_run_Pu8RLl/tmp/191a29473a864fe3a6eb50a0675de80f/FLAGc5a0a3d04 [2020-07-01 11:17:08,390 INFO L306 CDTParser]: Found 1 translation units. [2020-07-01 11:17:08,391 INFO L160 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c [2020-07-01 11:17:08,397 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/BenchExec_run_Pu8RLl/tmp/191a29473a864fe3a6eb50a0675de80f/FLAGc5a0a3d04 [2020-07-01 11:17:08,803 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/BenchExec_run_Pu8RLl/tmp/191a29473a864fe3a6eb50a0675de80f [2020-07-01 11:17:08,815 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-01 11:17:08,817 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-07-01 11:17:08,818 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-01 11:17:08,818 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-01 11:17:08,822 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-01 11:17:08,823 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 11:17:08" (1/1) ... [2020-07-01 11:17:08,826 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@211bddb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:17:08, skipping insertion in model container [2020-07-01 11:17:08,827 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 11:17:08" (1/1) ... [2020-07-01 11:17:08,835 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-01 11:17:08,854 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-01 11:17:09,085 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 11:17:09,089 INFO L203 MainTranslator]: Completed pre-run [2020-07-01 11:17:09,107 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 11:17:09,122 INFO L208 MainTranslator]: Completed translation [2020-07-01 11:17:09,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:17:09 WrapperNode [2020-07-01 11:17:09,123 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-01 11:17:09,124 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-01 11:17:09,124 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-01 11:17:09,124 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-01 11:17:09,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:17:09" (1/1) ... [2020-07-01 11:17:09,140 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:17:09" (1/1) ... [2020-07-01 11:17:09,160 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-01 11:17:09,161 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-01 11:17:09,161 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-01 11:17:09,161 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-01 11:17:09,171 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:17:09" (1/1) ... [2020-07-01 11:17:09,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:17:09" (1/1) ... [2020-07-01 11:17:09,172 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:17:09" (1/1) ... [2020-07-01 11:17:09,172 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:17:09" (1/1) ... [2020-07-01 11:17:09,175 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:17:09" (1/1) ... [2020-07-01 11:17:09,180 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:17:09" (1/1) ... [2020-07-01 11:17:09,181 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:17:09" (1/1) ... [2020-07-01 11:17:09,182 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-01 11:17:09,182 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-01 11:17:09,183 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-01 11:17:09,183 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-01 11:17:09,184 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:17:09" (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 11:17:09,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-01 11:17:09,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-01 11:17:09,427 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-01 11:17:09,428 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-07-01 11:17:09,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:17:09 BoogieIcfgContainer [2020-07-01 11:17:09,431 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-01 11:17:09,432 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-07-01 11:17:09,432 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-07-01 11:17:09,434 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2020-07-01 11:17:09,435 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:17:09" (1/1) ... [2020-07-01 11:17:09,447 INFO L313 BlockEncoder]: Initial Icfg 9 locations, 13 edges [2020-07-01 11:17:09,449 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-07-01 11:17:09,449 INFO L263 BlockEncoder]: Using Maximize final states [2020-07-01 11:17:09,450 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-07-01 11:17:09,450 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-07-01 11:17:09,452 INFO L296 BlockEncoder]: Using Remove sink states [2020-07-01 11:17:09,453 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-07-01 11:17:09,453 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-07-01 11:17:09,469 INFO L185 BlockEncoder]: Using Use SBE [2020-07-01 11:17:09,486 INFO L200 BlockEncoder]: SBE split 3 edges [2020-07-01 11:17:09,491 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility [2020-07-01 11:17:09,492 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 11:17:09,503 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2020-07-01 11:17:09,505 INFO L70 RemoveSinkStates]: Removed 4 edges and 2 locations by removing sink states [2020-07-01 11:17:09,506 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 11:17:09,507 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 11:17:09,507 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-07-01 11:17:09,507 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 11:17:09,508 INFO L313 BlockEncoder]: Encoded RCFG 5 locations, 9 edges [2020-07-01 11:17:09,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 11:17:09 BasicIcfg [2020-07-01 11:17:09,508 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-07-01 11:17:09,509 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-01 11:17:09,510 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-01 11:17:09,513 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-01 11:17:09,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.07 11:17:08" (1/4) ... [2020-07-01 11:17:09,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16e830f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 11:17:09, skipping insertion in model container [2020-07-01 11:17:09,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:17:09" (2/4) ... [2020-07-01 11:17:09,515 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16e830f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 11:17:09, skipping insertion in model container [2020-07-01 11:17:09,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:17:09" (3/4) ... [2020-07-01 11:17:09,515 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16e830f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 11:17:09, skipping insertion in model container [2020-07-01 11:17:09,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 11:17:09" (4/4) ... [2020-07-01 11:17:09,517 INFO L109 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 11:17:09,528 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-07-01 11:17:09,536 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-07-01 11:17:09,551 INFO L251 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-07-01 11:17:09,574 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-01 11:17:09,575 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-01 11:17:09,575 INFO L377 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 11:17:09,575 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 11:17:09,575 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 11:17:09,575 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-01 11:17:09,575 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 11:17:09,576 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-01 11:17:09,589 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2020-07-01 11:17:09,595 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-01 11:17:09,598 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 5 states. [2020-07-01 11:17:09,658 INFO L268 CegarLoopResult]: For program point L17(lines 17 24) no Hoare annotation was computed. [2020-07-01 11:17:09,658 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-01 11:17:09,659 INFO L271 CegarLoopResult]: At program point L13-2(lines 13 28) the Hoare annotation is: true [2020-07-01 11:17:09,659 INFO L271 CegarLoopResult]: At program point L21-2(lines 21 23) the Hoare annotation is: true [2020-07-01 11:17:09,659 INFO L268 CegarLoopResult]: For program point L21-3(lines 17 24) no Hoare annotation was computed. [2020-07-01 11:17:09,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 11:17:09 BasicIcfg [2020-07-01 11:17:09,668 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-01 11:17:09,669 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-01 11:17:09,669 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-01 11:17:09,673 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-01 11:17:09,674 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:17:09,674 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.07 11:17:08" (1/5) ... [2020-07-01 11:17:09,675 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@15889452 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 11:17:09, skipping insertion in model container [2020-07-01 11:17:09,675 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:17:09,675 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:17:09" (2/5) ... [2020-07-01 11:17:09,675 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@15889452 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 11:17:09, skipping insertion in model container [2020-07-01 11:17:09,676 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:17:09,676 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:17:09" (3/5) ... [2020-07-01 11:17:09,676 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@15889452 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 11:17:09, skipping insertion in model container [2020-07-01 11:17:09,676 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:17:09,676 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 11:17:09" (4/5) ... [2020-07-01 11:17:09,677 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@15889452 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 11:17:09, skipping insertion in model container [2020-07-01 11:17:09,677 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:17:09,677 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 11:17:09" (5/5) ... [2020-07-01 11:17:09,679 INFO L371 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 11:17:09,706 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-01 11:17:09,706 INFO L357 BuchiCegarLoop]: Hoare is true [2020-07-01 11:17:09,706 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 11:17:09,706 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 11:17:09,707 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 11:17:09,707 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-01 11:17:09,707 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 11:17:09,707 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-01 11:17:09,710 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states. [2020-07-01 11:17:09,728 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-07-01 11:17:09,728 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 11:17:09,728 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 11:17:09,733 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-01 11:17:09,733 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-01 11:17:09,733 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-01 11:17:09,734 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states. [2020-07-01 11:17:09,734 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-07-01 11:17:09,734 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 11:17:09,734 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 11:17:09,735 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-01 11:17:09,735 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-01 11:17:09,740 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [37] ULTIMATE.startENTRY-->L13-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~tmp~0=v_ULTIMATE.start_main_~tmp~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~tmp~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~xtmp~0] 4#L13-2true [2020-07-01 11:17:09,741 INFO L796 eck$LassoCheckResult]: Loop: 4#L13-2true [56] L13-2-->L17: Formula: (and (= v_ULTIMATE.start_main_~tmp~0_4 v_ULTIMATE.start_main_~y~0_7) (= v_ULTIMATE.start_main_~xtmp~0_4 v_ULTIMATE.start_main_~x~0_7) (> 0 v_ULTIMATE.start_main_~y~0_7) (<= 0 v_ULTIMATE.start_main_~x~0_7) (<= 0 v_ULTIMATE.start_main_~y~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~tmp~0=v_ULTIMATE.start_main_~tmp~0_4, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7, ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_4} AuxVars[] AssignedVars[ULTIMATE.start_main_~tmp~0, ULTIMATE.start_main_~xtmp~0] 5#L17true [41] L17-->L21-3: Formula: (and (= v_ULTIMATE.start_main_~y~0_8 0) (= v_ULTIMATE.start_main_~x~0_8 v_ULTIMATE.start_main_~y~0_9)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 6#L21-3true [43] L21-3-->L13-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_10 v_ULTIMATE.start_main_~tmp~0_5) (= v_ULTIMATE.start_main_~y~0_13 v_ULTIMATE.start_main_~xtmp~0_8)) InVars {ULTIMATE.start_main_~tmp~0=v_ULTIMATE.start_main_~tmp~0_5, ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_13, ULTIMATE.start_main_~tmp~0=v_ULTIMATE.start_main_~tmp~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10, ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 4#L13-2true [2020-07-01 11:17:09,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 11:17:09,747 INFO L82 PathProgramCache]: Analyzing trace with hash 68, now seen corresponding path program 1 times [2020-07-01 11:17:09,757 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 11:17:09,757 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362325146] [2020-07-01 11:17:09,757 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 11:17:09,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:17:09,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:17:09,829 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 11:17:09,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 11:17:09,830 INFO L82 PathProgramCache]: Analyzing trace with hash 84921, now seen corresponding path program 1 times [2020-07-01 11:17:09,831 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 11:17:09,831 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814744398] [2020-07-01 11:17:09,831 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 11:17:09,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 11:17:09,861 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 11:17:09,862 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814744398] [2020-07-01 11:17:09,862 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 11:17:09,863 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-07-01 11:17:09,863 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130491441] [2020-07-01 11:17:09,869 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-07-01 11:17:09,870 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 11:17:09,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-01 11:17:09,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-01 11:17:09,886 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 2 states. [2020-07-01 11:17:09,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 11:17:09,905 INFO L93 Difference]: Finished difference Result 5 states and 8 transitions. [2020-07-01 11:17:09,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-01 11:17:09,908 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 11:17:09,914 INFO L168 Benchmark]: Toolchain (without parser) took 1095.56 ms. Allocated memory was 649.6 MB in the beginning and 684.2 MB in the end (delta: 34.6 MB). Free memory was 561.7 MB in the beginning and 599.9 MB in the end (delta: -38.2 MB). There was no memory consumed. Max. memory is 50.3 GB. [2020-07-01 11:17:09,914 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 583.3 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-07-01 11:17:09,915 INFO L168 Benchmark]: CACSL2BoogieTranslator took 304.95 ms. Allocated memory was 649.6 MB in the beginning and 684.2 MB in the end (delta: 34.6 MB). Free memory was 561.7 MB in the beginning and 648.0 MB in the end (delta: -86.3 MB). Peak memory consumption was 30.4 MB. Max. memory is 50.3 GB. [2020-07-01 11:17:09,916 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.89 ms. Allocated memory is still 684.2 MB. Free memory was 648.0 MB in the beginning and 646.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. [2020-07-01 11:17:09,916 INFO L168 Benchmark]: Boogie Preprocessor took 21.26 ms. Allocated memory is still 684.2 MB. Free memory was 646.9 MB in the beginning and 645.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. [2020-07-01 11:17:09,917 INFO L168 Benchmark]: RCFGBuilder took 248.89 ms. Allocated memory is still 684.2 MB. Free memory was 645.9 MB in the beginning and 631.2 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 50.3 GB. [2020-07-01 11:17:09,918 INFO L168 Benchmark]: BlockEncodingV2 took 76.72 ms. Allocated memory is still 684.2 MB. Free memory was 631.2 MB in the beginning and 625.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. [2020-07-01 11:17:09,918 INFO L168 Benchmark]: TraceAbstraction took 158.52 ms. Allocated memory is still 684.2 MB. Free memory was 624.8 MB in the beginning and 616.1 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. [2020-07-01 11:17:09,919 INFO L168 Benchmark]: BuchiAutomizer took 241.88 ms. Allocated memory is still 684.2 MB. Free memory was 616.1 MB in the beginning and 599.9 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 50.3 GB. [2020-07-01 11:17:09,923 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 9 locations, 13 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 649.6 MB. Free memory is still 583.3 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 304.95 ms. Allocated memory was 649.6 MB in the beginning and 684.2 MB in the end (delta: 34.6 MB). Free memory was 561.7 MB in the beginning and 648.0 MB in the end (delta: -86.3 MB). Peak memory consumption was 30.4 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 36.89 ms. Allocated memory is still 684.2 MB. Free memory was 648.0 MB in the beginning and 646.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 21.26 ms. Allocated memory is still 684.2 MB. Free memory was 646.9 MB in the beginning and 645.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. * RCFGBuilder took 248.89 ms. Allocated memory is still 684.2 MB. Free memory was 645.9 MB in the beginning and 631.2 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 76.72 ms. Allocated memory is still 684.2 MB. Free memory was 631.2 MB in the beginning and 625.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. * TraceAbstraction took 158.52 ms. Allocated memory is still 684.2 MB. Free memory was 624.8 MB in the beginning and 616.1 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 241.88 ms. Allocated memory is still 684.2 MB. Free memory was 616.1 MB in the beginning and 599.9 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 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 - InvariantResult [Line: 21]: 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, 2 LocationsWithAnnotation, 2 PreInvPairs, 2 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 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 11:17:05.486 ----------------------------------------------- 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_Pu8RLl/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-07-01 11:17:10.165 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check