YES Ultimate: Cannot open display: This is Ultimate 0.1.24-8dc7c08-m [2020-06-22 09:45:39,527 INFO L170 SettingsManager]: Resetting all preferences to default values... [2020-06-22 09:45:39,530 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2020-06-22 09:45:39,541 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-06-22 09:45:39,542 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-06-22 09:45:39,542 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-06-22 09:45:39,544 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-06-22 09:45:39,545 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2020-06-22 09:45:39,547 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-06-22 09:45:39,548 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-06-22 09:45:39,549 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-06-22 09:45:39,549 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-06-22 09:45:39,550 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-06-22 09:45:39,551 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-06-22 09:45:39,552 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-06-22 09:45:39,552 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-06-22 09:45:39,553 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-06-22 09:45:39,555 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-06-22 09:45:39,557 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2020-06-22 09:45:39,558 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-06-22 09:45:39,559 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-06-22 09:45:39,560 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-06-22 09:45:39,562 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-06-22 09:45:39,563 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-06-22 09:45:39,563 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-06-22 09:45:39,564 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-06-22 09:45:39,564 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-06-22 09:45:39,565 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-06-22 09:45:39,565 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-06-22 09:45:39,566 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-06-22 09:45:39,566 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-06-22 09:45:39,567 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2020-06-22 09:45:39,568 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-06-22 09:45:39,568 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2020-06-22 09:45:39,569 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-06-22 09:45:39,569 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-06-22 09:45:39,569 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2020-06-22 09:45:39,570 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2020-06-22 09:45:39,571 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2020-06-22 09:45:39,571 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-06-22 09:45:39,586 INFO L110 SettingsManager]: Loading preferences was successful [2020-06-22 09:45:39,587 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2020-06-22 09:45:39,588 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-06-22 09:45:39,588 INFO L133 SettingsManager]: * Rewrite not-equals=true [2020-06-22 09:45:39,588 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2020-06-22 09:45:39,588 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-06-22 09:45:39,589 INFO L133 SettingsManager]: * Use SBE=true [2020-06-22 09:45:39,589 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-06-22 09:45:39,589 INFO L133 SettingsManager]: * Use old map elimination=false [2020-06-22 09:45:39,589 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2020-06-22 09:45:39,589 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-06-22 09:45:39,589 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2020-06-22 09:45:39,590 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-06-22 09:45:39,590 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true [2020-06-22 09:45:39,590 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 09:45:39,590 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-06-22 09:45:39,590 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-06-22 09:45:39,591 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2020-06-22 09:45:39,591 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2020-06-22 09:45:39,591 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-06-22 09:45:39,591 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-06-22 09:45:39,591 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-06-22 09:45:39,591 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-06-22 09:45:39,592 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-06-22 09:45:39,592 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 09:45:39,592 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-06-22 09:45:39,592 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-06-22 09:45:39,592 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2020-06-22 09:45:39,593 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-06-22 09:45:39,619 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-06-22 09:45:39,633 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-06-22 09:45:39,636 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-06-22 09:45:39,638 INFO L271 PluginConnector]: Initializing CDTParser... [2020-06-22 09:45:39,638 INFO L276 PluginConnector]: CDTParser initialized [2020-06-22 09:45:39,639 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-22 09:45:39,702 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/8d633ff683824a8d96c80481cb10bc1a/FLAG15089f3c8 [2020-06-22 09:45:40,053 INFO L307 CDTParser]: Found 1 translation units. [2020-06-22 09:45:40,054 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-22 09:45:40,060 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/8d633ff683824a8d96c80481cb10bc1a/FLAG15089f3c8 [2020-06-22 09:45:40,476 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/8d633ff683824a8d96c80481cb10bc1a [2020-06-22 09:45:40,489 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-06-22 09:45:40,490 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-06-22 09:45:40,491 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-06-22 09:45:40,492 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-06-22 09:45:40,495 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2020-06-22 09:45:40,496 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 09:45:40" (1/1) ... [2020-06-22 09:45:40,499 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62e74638 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 09:45:40, skipping insertion in model container [2020-06-22 09:45:40,499 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 09:45:40" (1/1) ... [2020-06-22 09:45:40,507 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-06-22 09:45:40,523 INFO L176 MainTranslator]: Built tables and reachable declarations [2020-06-22 09:45:40,676 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 09:45:40,680 INFO L191 MainTranslator]: Completed pre-run [2020-06-22 09:45:40,751 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 09:45:40,766 INFO L195 MainTranslator]: Completed translation [2020-06-22 09:45:40,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 09:45:40 WrapperNode [2020-06-22 09:45:40,766 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-06-22 09:45:40,767 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-06-22 09:45:40,767 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-06-22 09:45:40,767 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2020-06-22 09:45:40,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 09:45:40" (1/1) ... [2020-06-22 09:45:40,781 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 09:45:40" (1/1) ... [2020-06-22 09:45:40,800 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-06-22 09:45:40,800 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-06-22 09:45:40,800 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-06-22 09:45:40,800 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2020-06-22 09:45:40,810 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 09:45:40" (1/1) ... [2020-06-22 09:45:40,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 09:45:40" (1/1) ... [2020-06-22 09:45:40,811 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 09:45:40" (1/1) ... [2020-06-22 09:45:40,811 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 09:45:40" (1/1) ... [2020-06-22 09:45:40,813 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 09:45:40" (1/1) ... [2020-06-22 09:45:40,818 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 09:45:40" (1/1) ... [2020-06-22 09:45:40,819 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 09:45:40" (1/1) ... [2020-06-22 09:45:40,820 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-06-22 09:45:40,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-06-22 09:45:40,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-06-22 09:45:40,820 INFO L276 PluginConnector]: RCFGBuilder initialized [2020-06-22 09:45:40,821 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 09:45:40" (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 [2020-06-22 09:45:40,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-06-22 09:45:40,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-06-22 09:45:41,023 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-06-22 09:45:41,023 INFO L286 CfgBuilder]: Removed 7 assue(true) statements. [2020-06-22 09:45:41,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 09:45:41 BoogieIcfgContainer [2020-06-22 09:45:41,025 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-06-22 09:45:41,025 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-06-22 09:45:41,025 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-06-22 09:45:41,027 INFO L276 PluginConnector]: BlockEncodingV2 initialized [2020-06-22 09:45:41,028 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 09:45:41" (1/1) ... [2020-06-22 09:45:41,042 INFO L313 BlockEncoder]: Initial Icfg 9 locations, 15 edges [2020-06-22 09:45:41,044 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-06-22 09:45:41,044 INFO L263 BlockEncoder]: Using Maximize final states [2020-06-22 09:45:41,045 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-06-22 09:45:41,045 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-06-22 09:45:41,047 INFO L296 BlockEncoder]: Using Remove sink states [2020-06-22 09:45:41,048 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-06-22 09:45:41,048 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-06-22 09:45:41,064 INFO L185 BlockEncoder]: Using Use SBE [2020-06-22 09:45:41,077 INFO L200 BlockEncoder]: SBE split 1 edges [2020-06-22 09:45:41,081 INFO L70 emoveInfeasibleEdges]: Removed 3 edges and 0 locations because of local infeasibility [2020-06-22 09:45:41,083 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 09:45:41,093 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2020-06-22 09:45:41,095 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states [2020-06-22 09:45:41,096 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-22 09:45:41,096 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 09:45:41,097 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-06-22 09:45:41,097 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-22 09:45:41,097 INFO L313 BlockEncoder]: Encoded RCFG 5 locations, 8 edges [2020-06-22 09:45:41,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 09:45:41 BasicIcfg [2020-06-22 09:45:41,098 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-06-22 09:45:41,099 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-06-22 09:45:41,099 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-06-22 09:45:41,102 INFO L276 PluginConnector]: TraceAbstraction initialized [2020-06-22 09:45:41,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.06 09:45:40" (1/4) ... [2020-06-22 09:45:41,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d7a6871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 09:45:41, skipping insertion in model container [2020-06-22 09:45:41,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 09:45:40" (2/4) ... [2020-06-22 09:45:41,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d7a6871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 09:45:41, skipping insertion in model container [2020-06-22 09:45:41,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 09:45:41" (3/4) ... [2020-06-22 09:45:41,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d7a6871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 09:45:41, skipping insertion in model container [2020-06-22 09:45:41,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 09:45:41" (4/4) ... [2020-06-22 09:45:41,106 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 09:45:41,116 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-06-22 09:45:41,125 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-06-22 09:45:41,143 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-06-22 09:45:41,170 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 09:45:41,171 INFO L382 AbstractCegarLoop]: Interprodecural is true [2020-06-22 09:45:41,171 INFO L383 AbstractCegarLoop]: Hoare is true [2020-06-22 09:45:41,172 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 09:45:41,172 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 09:45:41,172 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 09:45:41,172 INFO L387 AbstractCegarLoop]: Difference is false [2020-06-22 09:45:41,172 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 09:45:41,172 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-06-22 09:45:41,186 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2020-06-22 09:45:41,192 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-06-22 09:45:41,195 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 5 states. [2020-06-22 09:45:41,250 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-06-22 09:45:41,250 INFO L451 ceAbstractionStarter]: At program point L15-2(lines 15 17) the Hoare annotation is: true [2020-06-22 09:45:41,251 INFO L451 ceAbstractionStarter]: At program point L15-3(lines 9 19) the Hoare annotation is: true [2020-06-22 09:45:41,251 INFO L448 ceAbstractionStarter]: For program point L10(lines 10 18) no Hoare annotation was computed. [2020-06-22 09:45:41,251 INFO L451 ceAbstractionStarter]: At program point L11-2(lines 11 13) the Hoare annotation is: true [2020-06-22 09:45:41,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 09:45:41 BasicIcfg [2020-06-22 09:45:41,259 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-06-22 09:45:41,260 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-06-22 09:45:41,260 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-06-22 09:45:41,263 INFO L276 PluginConnector]: BuchiAutomizer initialized [2020-06-22 09:45:41,264 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 09:45:41,264 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.06 09:45:40" (1/5) ... [2020-06-22 09:45:41,265 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4834e64b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 09:45:41, skipping insertion in model container [2020-06-22 09:45:41,265 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 09:45:41,265 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 09:45:40" (2/5) ... [2020-06-22 09:45:41,265 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4834e64b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 09:45:41, skipping insertion in model container [2020-06-22 09:45:41,265 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 09:45:41,266 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 09:45:41" (3/5) ... [2020-06-22 09:45:41,266 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4834e64b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 09:45:41, skipping insertion in model container [2020-06-22 09:45:41,266 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 09:45:41,266 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 09:45:41" (4/5) ... [2020-06-22 09:45:41,267 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4834e64b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 09:45:41, skipping insertion in model container [2020-06-22 09:45:41,267 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 09:45:41,267 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 09:45:41" (5/5) ... [2020-06-22 09:45:41,268 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 09:45:41,293 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 09:45:41,294 INFO L374 BuchiCegarLoop]: Interprodecural is true [2020-06-22 09:45:41,294 INFO L375 BuchiCegarLoop]: Hoare is true [2020-06-22 09:45:41,294 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 09:45:41,294 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 09:45:41,294 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 09:45:41,294 INFO L379 BuchiCegarLoop]: Difference is false [2020-06-22 09:45:41,295 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 09:45:41,295 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-06-22 09:45:41,298 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states. [2020-06-22 09:45:41,314 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-06-22 09:45:41,315 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 09:45:41,315 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 09:45:41,320 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-22 09:45:41,320 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-06-22 09:45:41,320 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2020-06-22 09:45:41,320 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states. [2020-06-22 09:45:41,321 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-06-22 09:45:41,321 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 09:45:41,321 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 09:45:41,321 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-22 09:45:41,321 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-06-22 09:45:41,326 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [49] ULTIMATE.startENTRY-->L15-3: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 5#L15-3true [2020-06-22 09:45:41,327 INFO L796 eck$LassoCheckResult]: Loop: 5#L15-3true [52] L15-3-->L10: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_10) (< 0 v_ULTIMATE.start_main_~x~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 3#L10true [63] L10-->L15-2: Formula: (>= v_ULTIMATE.start_main_~y~0_12 v_ULTIMATE.start_main_~x~0_12) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_12, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_12} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_12, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_12} AuxVars[] AssignedVars[] 6#L15-2true [65] L15-2-->L15-3: Formula: (>= 0 v_ULTIMATE.start_main_~y~0_6) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6} AuxVars[] AssignedVars[] 5#L15-3true [2020-06-22 09:45:41,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 09:45:41,332 INFO L82 PathProgramCache]: Analyzing trace with hash 80, now seen corresponding path program 1 times [2020-06-22 09:45:41,334 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 09:45:41,335 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 09:45:41,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 09:45:41,364 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 09:45:41,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 09:45:41,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 09:45:41,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 09:45:41,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 09:45:41,403 INFO L82 PathProgramCache]: Analyzing trace with hash 81781, now seen corresponding path program 1 times [2020-06-22 09:45:41,404 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 09:45:41,404 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 09:45:41,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 09:45:41,406 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 09:45:41,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 09:45:41,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 09:45:41,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 09:45:41,450 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-06-22 09:45:41,450 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-06-22 09:45:41,455 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-06-22 09:45:41,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-06-22 09:45:41,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-06-22 09:45:41,471 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 3 states. [2020-06-22 09:45:41,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-06-22 09:45:41,496 INFO L93 Difference]: Finished difference Result 7 states and 10 transitions. [2020-06-22 09:45:41,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-06-22 09:45:41,499 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 10 transitions. [2020-06-22 09:45:41,500 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2020-06-22 09:45:41,504 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 7 states and 10 transitions. [2020-06-22 09:45:41,506 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2020-06-22 09:45:41,506 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2020-06-22 09:45:41,507 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 10 transitions. [2020-06-22 09:45:41,507 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-22 09:45:41,508 INFO L706 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2020-06-22 09:45:41,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 10 transitions. [2020-06-22 09:45:41,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 6. [2020-06-22 09:45:41,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-06-22 09:45:41,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 9 transitions. [2020-06-22 09:45:41,536 INFO L729 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. [2020-06-22 09:45:41,537 INFO L609 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. [2020-06-22 09:45:41,537 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2020-06-22 09:45:41,537 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 9 transitions. [2020-06-22 09:45:41,537 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-06-22 09:45:41,538 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 09:45:41,538 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 09:45:41,538 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-22 09:45:41,538 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-06-22 09:45:41,538 INFO L794 eck$LassoCheckResult]: Stem: 24#ULTIMATE.startENTRY [49] ULTIMATE.startENTRY-->L15-3: 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_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_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_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 25#L15-3 [2020-06-22 09:45:41,539 INFO L796 eck$LassoCheckResult]: Loop: 25#L15-3 [52] L15-3-->L10: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_10) (< 0 v_ULTIMATE.start_main_~x~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 21#L10 [47] L10-->L11-2: Formula: (< v_ULTIMATE.start_main_~y~0_11 v_ULTIMATE.start_main_~x~0_8) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_11, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_11, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} AuxVars[] AssignedVars[] 22#L11-2 [64] L11-2-->L15-3: Formula: (>= 0 v_ULTIMATE.start_main_~x~0_9) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[] 25#L15-3 [2020-06-22 09:45:41,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 09:45:41,539 INFO L82 PathProgramCache]: Analyzing trace with hash 80, now seen corresponding path program 2 times [2020-06-22 09:45:41,539 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 09:45:41,539 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 09:45:41,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 09:45:41,541 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 09:45:41,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 09:45:41,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 09:45:41,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 09:45:41,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 09:45:41,546 INFO L82 PathProgramCache]: Analyzing trace with hash 81284, now seen corresponding path program 1 times [2020-06-22 09:45:41,546 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 09:45:41,546 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 09:45:41,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 09:45:41,548 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-22 09:45:41,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 09:45:41,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 09:45:41,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 09:45:41,560 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-06-22 09:45:41,560 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-06-22 09:45:41,560 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-06-22 09:45:41,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-06-22 09:45:41,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-06-22 09:45:41,561 INFO L87 Difference]: Start difference. First operand 6 states and 9 transitions. cyclomatic complexity: 4 Second operand 3 states. [2020-06-22 09:45:41,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-06-22 09:45:41,587 INFO L93 Difference]: Finished difference Result 8 states and 11 transitions. [2020-06-22 09:45:41,587 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-06-22 09:45:41,588 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 11 transitions. [2020-06-22 09:45:41,589 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2020-06-22 09:45:41,590 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 8 states and 11 transitions. [2020-06-22 09:45:41,590 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2020-06-22 09:45:41,590 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2020-06-22 09:45:41,590 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. [2020-06-22 09:45:41,590 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-22 09:45:41,590 INFO L706 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2020-06-22 09:45:41,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. [2020-06-22 09:45:41,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2020-06-22 09:45:41,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-06-22 09:45:41,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2020-06-22 09:45:41,592 INFO L729 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2020-06-22 09:45:41,592 INFO L609 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2020-06-22 09:45:41,592 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2020-06-22 09:45:41,592 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. [2020-06-22 09:45:41,593 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2020-06-22 09:45:41,593 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 09:45:41,593 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 09:45:41,593 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-22 09:45:41,594 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-06-22 09:45:41,594 INFO L794 eck$LassoCheckResult]: Stem: 44#ULTIMATE.startENTRY [49] ULTIMATE.startENTRY-->L15-3: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 45#L15-3 [2020-06-22 09:45:41,594 INFO L796 eck$LassoCheckResult]: Loop: 45#L15-3 [52] L15-3-->L10: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_10) (< 0 v_ULTIMATE.start_main_~x~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 41#L10 [47] L10-->L11-2: Formula: (< v_ULTIMATE.start_main_~y~0_11 v_ULTIMATE.start_main_~x~0_8) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_11, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_11, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} AuxVars[] AssignedVars[] 42#L11-2 [60] L11-2-->L11-2: Formula: (and (< 0 v_ULTIMATE.start_main_~x~0_11) (= v_ULTIMATE.start_main_~x~0_10 (+ v_ULTIMATE.start_main_~x~0_11 (- 1)))) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 47#L11-2 [64] L11-2-->L15-3: Formula: (>= 0 v_ULTIMATE.start_main_~x~0_9) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[] 45#L15-3 [2020-06-22 09:45:41,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 09:45:41,595 INFO L82 PathProgramCache]: Analyzing trace with hash 80, now seen corresponding path program 3 times [2020-06-22 09:45:41,595 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 09:45:41,595 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 09:45:41,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 09:45:41,597 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 09:45:41,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 09:45:41,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 09:45:41,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 09:45:41,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 09:45:41,601 INFO L82 PathProgramCache]: Analyzing trace with hash 2519744, now seen corresponding path program 1 times [2020-06-22 09:45:41,601 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 09:45:41,602 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 09:45:41,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 09:45:41,603 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-22 09:45:41,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 09:45:41,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 09:45:41,637 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 09:45:41,637 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2020-06-22 09:45:41,637 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2020-06-22 09:45:41,651 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 09:45:41,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 09:45:41,660 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-22 09:45:41,662 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 09:45:41,681 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 09:45:41,708 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-06-22 09:45:41,709 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2020-06-22 09:45:41,709 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-06-22 09:45:41,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-06-22 09:45:41,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-06-22 09:45:41,710 INFO L87 Difference]: Start difference. First operand 7 states and 10 transitions. cyclomatic complexity: 4 Second operand 5 states. [2020-06-22 09:45:41,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-06-22 09:45:41,784 INFO L93 Difference]: Finished difference Result 10 states and 13 transitions. [2020-06-22 09:45:41,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-06-22 09:45:41,784 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 13 transitions. [2020-06-22 09:45:41,785 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2020-06-22 09:45:41,786 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 10 states and 13 transitions. [2020-06-22 09:45:41,786 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2020-06-22 09:45:41,786 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2020-06-22 09:45:41,786 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 13 transitions. [2020-06-22 09:45:41,786 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-22 09:45:41,786 INFO L706 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2020-06-22 09:45:41,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 13 transitions. [2020-06-22 09:45:41,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 8. [2020-06-22 09:45:41,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-06-22 09:45:41,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 11 transitions. [2020-06-22 09:45:41,788 INFO L729 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2020-06-22 09:45:41,788 INFO L609 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2020-06-22 09:45:41,788 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2020-06-22 09:45:41,789 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 11 transitions. [2020-06-22 09:45:41,789 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2020-06-22 09:45:41,789 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 09:45:41,789 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 09:45:41,789 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-22 09:45:41,790 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-06-22 09:45:41,790 INFO L794 eck$LassoCheckResult]: Stem: 82#ULTIMATE.startENTRY [49] ULTIMATE.startENTRY-->L15-3: 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_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_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_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 83#L15-3 [2020-06-22 09:45:41,790 INFO L796 eck$LassoCheckResult]: Loop: 83#L15-3 [52] L15-3-->L10: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_10) (< 0 v_ULTIMATE.start_main_~x~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 79#L10 [63] L10-->L15-2: Formula: (>= v_ULTIMATE.start_main_~y~0_12 v_ULTIMATE.start_main_~x~0_12) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_12, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_12} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_12, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_12} AuxVars[] AssignedVars[] 81#L15-2 [56] L15-2-->L15-2: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_8) (= v_ULTIMATE.start_main_~y~0_7 (+ v_ULTIMATE.start_main_~y~0_8 (- 1)))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 84#L15-2 [65] L15-2-->L15-3: Formula: (>= 0 v_ULTIMATE.start_main_~y~0_6) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6} AuxVars[] AssignedVars[] 83#L15-3 [2020-06-22 09:45:41,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 09:45:41,791 INFO L82 PathProgramCache]: Analyzing trace with hash 80, now seen corresponding path program 4 times [2020-06-22 09:45:41,791 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 09:45:41,791 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 09:45:41,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 09:45:41,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 09:45:41,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 09:45:41,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 09:45:41,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 09:45:41,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 09:45:41,796 INFO L82 PathProgramCache]: Analyzing trace with hash 2534997, now seen corresponding path program 1 times [2020-06-22 09:45:41,797 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 09:45:41,797 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 09:45:41,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 09:45:41,798 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-22 09:45:41,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 09:45:41,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 09:45:41,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 09:45:41,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 09:45:41,805 INFO L82 PathProgramCache]: Analyzing trace with hash 75493156, now seen corresponding path program 1 times [2020-06-22 09:45:41,805 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 09:45:41,805 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 09:45:41,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 09:45:41,806 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 09:45:41,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 09:45:41,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 09:45:41,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 09:45:41,872 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 09:45:41,873 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 09:45:41,873 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 09:45:41,873 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 09:45:41,873 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 09:45:41,873 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 09:45:41,874 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 09:45:41,874 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 09:45:41,874 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Loop [2020-06-22 09:45:41,874 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 09:45:41,874 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 09:45:41,890 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 09:45:41,923 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 09:45:41,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 09:45:42,016 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 09:45:42,017 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 09:45:42,025 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 09:45:42,025 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 09:45:42,064 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 09:45:42,064 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 09:45:42,172 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 09:45:42,174 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 09:45:42,175 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 09:45:42,175 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 09:45:42,175 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 09:45:42,175 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 09:45:42,175 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 09:45:42,175 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 09:45:42,175 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 09:45:42,176 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Loop [2020-06-22 09:45:42,176 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 09:45:42,176 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 09:45:42,177 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 09:45:42,188 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 09:45:42,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 09:45:42,244 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 09:45:42,250 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 09:45:42,251 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 09:45:42,253 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 09:45:42,253 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 09:45:42,254 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 09:45:42,254 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 09:45:42,254 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 09:45:42,256 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 09:45:42,256 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 09:45:42,263 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 09:45:42,272 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-06-22 09:45:42,272 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 2 variables to zero. [2020-06-22 09:45:42,274 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 09:45:42,275 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-22 09:45:42,275 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 09:45:42,276 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 Supporting invariants [] [2020-06-22 09:45:42,277 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-22 09:45:42,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 09:45:42,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 09:45:42,305 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2020-06-22 09:45:42,305 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 09:45:42,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 09:45:42,310 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-22 09:45:42,311 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 09:45:42,318 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-06-22 09:45:42,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 09:45:42,325 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core [2020-06-22 09:45:42,325 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 09:45:42,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 09:45:42,338 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core [2020-06-22 09:45:42,339 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 09:45:42,357 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 5 predicates after loop cannibalization [2020-06-22 09:45:42,360 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2020-06-22 09:45:42,361 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 8 states and 11 transitions. cyclomatic complexity: 4 Second operand 3 states. [2020-06-22 09:45:42,414 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 8 states and 11 transitions. cyclomatic complexity: 4. Second operand 3 states. Result 25 states and 34 transitions. Complement of second has 7 states. [2020-06-22 09:45:42,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-06-22 09:45:42,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-06-22 09:45:42,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 26 transitions. [2020-06-22 09:45:42,417 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 1 letters. Loop has 4 letters. [2020-06-22 09:45:42,418 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 09:45:42,419 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 5 letters. Loop has 4 letters. [2020-06-22 09:45:42,419 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 09:45:42,419 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 1 letters. Loop has 8 letters. [2020-06-22 09:45:42,420 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 09:45:42,424 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 34 transitions. [2020-06-22 09:45:42,426 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-06-22 09:45:42,426 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 8 states and 9 transitions. [2020-06-22 09:45:42,427 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2020-06-22 09:45:42,427 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2020-06-22 09:45:42,427 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 9 transitions. [2020-06-22 09:45:42,427 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-22 09:45:42,427 INFO L706 BuchiCegarLoop]: Abstraction has 8 states and 9 transitions. [2020-06-22 09:45:42,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 9 transitions. [2020-06-22 09:45:42,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 6. [2020-06-22 09:45:42,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-06-22 09:45:42,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2020-06-22 09:45:42,429 INFO L729 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2020-06-22 09:45:42,429 INFO L609 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2020-06-22 09:45:42,429 INFO L442 BuchiCegarLoop]: ======== Iteration 5============ [2020-06-22 09:45:42,429 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 7 transitions. [2020-06-22 09:45:42,429 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-06-22 09:45:42,429 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 09:45:42,429 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 09:45:42,430 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-22 09:45:42,430 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1, 1] [2020-06-22 09:45:42,430 INFO L794 eck$LassoCheckResult]: Stem: 174#ULTIMATE.startENTRY [49] ULTIMATE.startENTRY-->L15-3: 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_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_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_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 175#L15-3 [2020-06-22 09:45:42,430 INFO L796 eck$LassoCheckResult]: Loop: 175#L15-3 [52] L15-3-->L10: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_10) (< 0 v_ULTIMATE.start_main_~x~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 172#L10 [47] L10-->L11-2: Formula: (< v_ULTIMATE.start_main_~y~0_11 v_ULTIMATE.start_main_~x~0_8) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_11, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_11, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} AuxVars[] AssignedVars[] 173#L11-2 [60] L11-2-->L11-2: Formula: (and (< 0 v_ULTIMATE.start_main_~x~0_11) (= v_ULTIMATE.start_main_~x~0_10 (+ v_ULTIMATE.start_main_~x~0_11 (- 1)))) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 176#L11-2 [60] L11-2-->L11-2: Formula: (and (< 0 v_ULTIMATE.start_main_~x~0_11) (= v_ULTIMATE.start_main_~x~0_10 (+ v_ULTIMATE.start_main_~x~0_11 (- 1)))) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 177#L11-2 [64] L11-2-->L15-3: Formula: (>= 0 v_ULTIMATE.start_main_~x~0_9) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[] 175#L15-3 [2020-06-22 09:45:42,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 09:45:42,431 INFO L82 PathProgramCache]: Analyzing trace with hash 80, now seen corresponding path program 5 times [2020-06-22 09:45:42,431 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 09:45:42,432 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 09:45:42,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 09:45:42,433 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 09:45:42,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 09:45:42,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 09:45:42,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 09:45:42,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 09:45:42,437 INFO L82 PathProgramCache]: Analyzing trace with hash 78112004, now seen corresponding path program 2 times [2020-06-22 09:45:42,437 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 09:45:42,437 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 09:45:42,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 09:45:42,439 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-22 09:45:42,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 09:45:42,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 09:45:42,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 09:45:42,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 09:45:42,446 INFO L82 PathProgramCache]: Analyzing trace with hash -1955152363, now seen corresponding path program 1 times [2020-06-22 09:45:42,446 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 09:45:42,447 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 09:45:42,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 09:45:42,448 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-22 09:45:42,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 09:45:42,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 09:45:42,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 09:45:42,495 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 09:45:42,495 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 09:45:42,495 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 09:45:42,495 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 09:45:42,495 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 09:45:42,496 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 09:45:42,496 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 09:45:42,496 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 09:45:42,496 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration5_Loop [2020-06-22 09:45:42,496 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 09:45:42,497 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 09:45:42,498 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 09:45:42,502 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 09:45:42,506 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 09:45:42,577 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 09:45:42,577 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 09:45:42,580 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 09:45:42,580 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 09:45:42,610 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 09:45:42,611 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 09:45:42,616 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 09:45:42,616 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 09:45:42,643 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 09:45:42,643 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 09:45:42,651 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 09:45:42,651 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 09:45:42,684 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 09:45:42,684 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 09:45:42,806 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 09:45:42,809 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 09:45:42,810 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 09:45:42,810 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 09:45:42,810 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 09:45:42,810 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 09:45:42,810 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 09:45:42,810 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 09:45:42,810 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 09:45:42,811 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration5_Loop [2020-06-22 09:45:42,811 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 09:45:42,811 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 09:45:42,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 09:45:42,817 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 09:45:42,826 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 09:45:42,884 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 09:45:42,884 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 09:45:42,884 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 09:45:42,885 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 09:45:42,885 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 09:45:42,885 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 09:45:42,886 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 09:45:42,889 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 09:45:42,889 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 09:45:42,893 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 09:45:42,894 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 09:45:42,895 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 09:45:42,895 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 09:45:42,895 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 09:45:42,895 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 09:45:42,895 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 09:45:42,897 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 09:45:42,897 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 09:45:42,902 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 09:45:42,908 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-06-22 09:45:42,908 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2020-06-22 09:45:42,908 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 09:45:42,909 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-22 09:45:42,909 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 09:45:42,909 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 Supporting invariants [] [2020-06-22 09:45:42,909 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-22 09:45:42,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 09:45:42,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 09:45:42,928 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2020-06-22 09:45:42,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 09:45:42,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 09:45:42,934 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 5 conjunts are in the unsatisfiable core [2020-06-22 09:45:42,935 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 09:45:42,953 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-06-22 09:45:42,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 09:45:42,974 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2020-06-22 09:45:42,975 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 09:45:42,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 09:45:42,990 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2020-06-22 09:45:42,990 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 09:45:42,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 09:45:42,996 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2020-06-22 09:45:42,997 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 09:45:43,035 INFO L98 LoopCannibalizer]: 3 predicates before loop cannibalization 6 predicates after loop cannibalization [2020-06-22 09:45:43,035 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2020-06-22 09:45:43,035 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 6 states and 7 transitions. cyclomatic complexity: 2 Second operand 4 states. [2020-06-22 09:45:43,104 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 6 states and 7 transitions. cyclomatic complexity: 2. Second operand 4 states. Result 15 states and 17 transitions. Complement of second has 10 states. [2020-06-22 09:45:43,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 3 non-accepting loop states 2 accepting loop states [2020-06-22 09:45:43,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-06-22 09:45:43,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 16 transitions. [2020-06-22 09:45:43,106 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 16 transitions. Stem has 1 letters. Loop has 5 letters. [2020-06-22 09:45:43,106 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 09:45:43,106 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 16 transitions. Stem has 6 letters. Loop has 5 letters. [2020-06-22 09:45:43,107 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 09:45:43,107 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 16 transitions. Stem has 1 letters. Loop has 10 letters. [2020-06-22 09:45:43,107 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 09:45:43,108 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 17 transitions. [2020-06-22 09:45:43,109 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-06-22 09:45:43,109 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2020-06-22 09:45:43,110 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-06-22 09:45:43,110 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-06-22 09:45:43,110 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-06-22 09:45:43,110 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-22 09:45:43,110 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 09:45:43,111 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 09:45:43,111 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 09:45:43,111 INFO L442 BuchiCegarLoop]: ======== Iteration 6============ [2020-06-22 09:45:43,111 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-06-22 09:45:43,111 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-06-22 09:45:43,111 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-06-22 09:45:43,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 09:45:43 BasicIcfg [2020-06-22 09:45:43,117 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-06-22 09:45:43,118 INFO L168 Benchmark]: Toolchain (without parser) took 2628.50 ms. Allocated memory was 649.6 MB in the beginning and 690.5 MB in the end (delta: 40.9 MB). Free memory was 565.2 MB in the beginning and 430.5 MB in the end (delta: 134.7 MB). Peak memory consumption was 175.6 MB. Max. memory is 50.3 GB. [2020-06-22 09:45:43,119 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 586.8 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-06-22 09:45:43,120 INFO L168 Benchmark]: CACSL2BoogieTranslator took 275.47 ms. Allocated memory was 649.6 MB in the beginning and 690.5 MB in the end (delta: 40.9 MB). Free memory was 565.2 MB in the beginning and 658.3 MB in the end (delta: -93.0 MB). Peak memory consumption was 28.5 MB. Max. memory is 50.3 GB. [2020-06-22 09:45:43,120 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.07 ms. Allocated memory is still 690.5 MB. Free memory was 656.9 MB in the beginning and 653.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. [2020-06-22 09:45:43,121 INFO L168 Benchmark]: Boogie Preprocessor took 19.63 ms. Allocated memory is still 690.5 MB. Free memory was 653.8 MB in the beginning and 652.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. [2020-06-22 09:45:43,122 INFO L168 Benchmark]: RCFGBuilder took 204.45 ms. Allocated memory is still 690.5 MB. Free memory was 652.5 MB in the beginning and 639.3 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 50.3 GB. [2020-06-22 09:45:43,122 INFO L168 Benchmark]: BlockEncodingV2 took 73.04 ms. Allocated memory is still 690.5 MB. Free memory was 639.3 MB in the beginning and 633.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. [2020-06-22 09:45:43,123 INFO L168 Benchmark]: TraceAbstraction took 160.66 ms. Allocated memory is still 690.5 MB. Free memory was 633.9 MB in the beginning and 624.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. [2020-06-22 09:45:43,123 INFO L168 Benchmark]: BuchiAutomizer took 1857.25 ms. Allocated memory is still 690.5 MB. Free memory was 624.4 MB in the beginning and 430.5 MB in the end (delta: 193.9 MB). Peak memory consumption was 193.9 MB. Max. memory is 50.3 GB. [2020-06-22 09:45:43,127 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 9 locations, 15 edges - StatisticsResult: Encoded RCFG 5 locations, 8 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 586.8 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 275.47 ms. Allocated memory was 649.6 MB in the beginning and 690.5 MB in the end (delta: 40.9 MB). Free memory was 565.2 MB in the beginning and 658.3 MB in the end (delta: -93.0 MB). Peak memory consumption was 28.5 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 33.07 ms. Allocated memory is still 690.5 MB. Free memory was 656.9 MB in the beginning and 653.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 19.63 ms. Allocated memory is still 690.5 MB. Free memory was 653.8 MB in the beginning and 652.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. * RCFGBuilder took 204.45 ms. Allocated memory is still 690.5 MB. Free memory was 652.5 MB in the beginning and 639.3 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 73.04 ms. Allocated memory is still 690.5 MB. Free memory was 639.3 MB in the beginning and 633.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. * TraceAbstraction took 160.66 ms. Allocated memory is still 690.5 MB. Free memory was 633.9 MB in the beginning and 624.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 1857.25 ms. Allocated memory is still 690.5 MB. Free memory was 624.4 MB in the beginning and 430.5 MB in the end (delta: 193.9 MB). Peak memory consumption was 193.9 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: 9]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 5 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, 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 AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 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 - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (3 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function y and consists of 5 locations. One nondeterministic module has affine ranking function x and consists of 7 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 1.2s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 8 states and ocurred in iteration 3. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 4/4 HoareTripleCheckerStatistics: 18 SDtfs, 42 SDslu, 5 SDs, 0 SdLazy, 80 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI3 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax175 hnf100 lsp57 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq137 hnf95 smp76 dnf100 smp100 tf112 neg100 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 9ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! !SESSION 2020-06-22 09:45:37.192 ----------------------------------------------- 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 -i /export/starexec/sandbox2/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-06-22 09:45:43.361 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check