java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label34_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-26 22:10:22,631 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:10:22,634 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:10:22,650 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:10:22,650 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:10:22,651 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:10:22,653 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:10:22,655 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:10:22,658 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:10:22,658 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:10:22,665 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:10:22,666 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:10:22,667 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:10:22,668 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:10:22,671 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:10:22,672 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:10:22,673 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:10:22,675 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:10:22,676 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:10:22,681 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:10:22,682 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:10:22,685 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:10:22,691 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:10:22,691 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:10:22,691 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:10:22,692 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:10:22,697 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:10:22,701 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:10:22,701 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:10:22,702 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:10:22,703 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:10:22,703 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:10:22,703 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:10:22,704 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:10:22,704 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:10:22,705 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:10:22,705 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-10-26 22:10:22,719 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:10:22,720 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:10:22,720 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:10:22,721 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 22:10:22,721 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 22:10:22,722 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 22:10:22,722 INFO L133 SettingsManager]: * Use SBE=true [2018-10-26 22:10:22,722 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:10:22,722 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 22:10:22,722 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:10:22,723 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:10:22,723 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:10:22,723 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:10:22,723 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:10:22,723 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:10:22,724 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:10:22,724 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 22:10:22,724 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:10:22,724 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 22:10:22,725 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 22:10:22,725 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:10:22,725 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:10:22,725 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:10:22,725 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-26 22:10:22,726 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:10:22,726 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 22:10:22,726 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 22:10:22,726 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-26 22:10:22,768 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:10:22,780 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:10:22,784 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:10:22,785 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:10:22,786 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:10:22,787 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label34_true-unreach-call.c [2018-10-26 22:10:22,891 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/2e2169227/946450ffb1d544048b45355e3746d0a2/FLAGd418a065e [2018-10-26 22:10:23,781 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:10:23,782 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label34_true-unreach-call.c [2018-10-26 22:10:23,830 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/2e2169227/946450ffb1d544048b45355e3746d0a2/FLAGd418a065e [2018-10-26 22:10:23,846 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/2e2169227/946450ffb1d544048b45355e3746d0a2 [2018-10-26 22:10:23,858 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:10:23,860 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 22:10:23,861 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:10:23,861 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:10:23,865 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:10:23,866 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:10:23" (1/1) ... [2018-10-26 22:10:23,869 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6895558e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:10:23, skipping insertion in model container [2018-10-26 22:10:23,869 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:10:23" (1/1) ... [2018-10-26 22:10:23,880 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:10:24,130 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:10:26,114 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:10:26,119 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:10:27,208 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:10:27,270 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:10:27,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:10:27 WrapperNode [2018-10-26 22:10:27,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:10:27,272 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:10:27,272 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:10:27,272 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:10:27,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:10:27" (1/1) ... [2018-10-26 22:10:27,382 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:10:27" (1/1) ... [2018-10-26 22:10:28,492 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:10:28,493 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:10:28,493 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:10:28,493 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:10:28,505 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:10:27" (1/1) ... [2018-10-26 22:10:28,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:10:27" (1/1) ... [2018-10-26 22:10:28,649 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:10:27" (1/1) ... [2018-10-26 22:10:28,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:10:27" (1/1) ... [2018-10-26 22:10:29,002 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:10:27" (1/1) ... [2018-10-26 22:10:29,071 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:10:27" (1/1) ... [2018-10-26 22:10:29,264 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:10:27" (1/1) ... [2018-10-26 22:10:29,487 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:10:29,487 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:10:29,488 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:10:29,488 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:10:29,489 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:10:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 22:10:29,553 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-26 22:10:29,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:10:29,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:10:46,513 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:10:46,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:10:46 BoogieIcfgContainer [2018-10-26 22:10:46,514 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:10:46,517 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 22:10:46,517 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 22:10:46,521 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 22:10:46,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 10:10:23" (1/3) ... [2018-10-26 22:10:46,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c104181 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:10:46, skipping insertion in model container [2018-10-26 22:10:46,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:10:27" (2/3) ... [2018-10-26 22:10:46,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c104181 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:10:46, skipping insertion in model container [2018-10-26 22:10:46,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:10:46" (3/3) ... [2018-10-26 22:10:46,526 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label34_true-unreach-call.c [2018-10-26 22:10:46,535 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 22:10:46,551 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 22:10:46,568 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 22:10:46,624 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 22:10:46,625 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 22:10:46,625 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 22:10:46,625 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 22:10:46,625 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 22:10:46,625 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 22:10:46,626 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 22:10:46,626 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 22:10:46,626 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 22:10:46,682 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states. [2018-10-26 22:10:46,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-26 22:10:46,699 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:10:46,700 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:10:46,702 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:10:46,706 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:10:46,707 INFO L82 PathProgramCache]: Analyzing trace with hash 1316472986, now seen corresponding path program 1 times [2018-10-26 22:10:46,708 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:10:46,709 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:10:46,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:10:46,763 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:10:46,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:10:46,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:10:47,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:10:47,117 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:10:47,118 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 22:10:47,122 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 22:10:47,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 22:10:47,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 22:10:47,139 INFO L87 Difference]: Start difference. First operand 1749 states. Second operand 4 states. [2018-10-26 22:11:12,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:11:12,719 INFO L93 Difference]: Finished difference Result 6409 states and 12226 transitions. [2018-10-26 22:11:12,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 22:11:12,721 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2018-10-26 22:11:12,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:11:12,774 INFO L225 Difference]: With dead ends: 6409 [2018-10-26 22:11:12,774 INFO L226 Difference]: Without dead ends: 4653 [2018-10-26 22:11:12,784 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 22:11:12,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4653 states. [2018-10-26 22:11:12,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4653 to 4617. [2018-10-26 22:11:12,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4617 states. [2018-10-26 22:11:12,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4617 states to 4617 states and 7623 transitions. [2018-10-26 22:11:12,992 INFO L78 Accepts]: Start accepts. Automaton has 4617 states and 7623 transitions. Word has length 51 [2018-10-26 22:11:12,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:11:12,993 INFO L481 AbstractCegarLoop]: Abstraction has 4617 states and 7623 transitions. [2018-10-26 22:11:12,994 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 22:11:12,994 INFO L276 IsEmpty]: Start isEmpty. Operand 4617 states and 7623 transitions. [2018-10-26 22:11:12,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-10-26 22:11:13,000 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:11:13,000 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:11:13,001 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:11:13,001 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:11:13,001 INFO L82 PathProgramCache]: Analyzing trace with hash 1550633685, now seen corresponding path program 1 times [2018-10-26 22:11:13,001 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:11:13,002 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:11:13,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:11:13,003 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:11:13,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:11:13,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:11:13,412 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-10-26 22:11:13,719 WARN L179 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 19 [2018-10-26 22:11:14,491 WARN L179 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 24 [2018-10-26 22:11:14,652 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:11:14,653 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:11:14,653 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 22:11:14,656 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 22:11:14,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 22:11:14,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-26 22:11:14,657 INFO L87 Difference]: Start difference. First operand 4617 states and 7623 transitions. Second operand 6 states. [2018-10-26 22:11:50,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:11:50,275 INFO L93 Difference]: Finished difference Result 20192 states and 32413 transitions. [2018-10-26 22:11:50,275 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 22:11:50,276 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 119 [2018-10-26 22:11:50,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:11:50,347 INFO L225 Difference]: With dead ends: 20192 [2018-10-26 22:11:50,348 INFO L226 Difference]: Without dead ends: 15577 [2018-10-26 22:11:50,356 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2018-10-26 22:11:50,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15577 states. [2018-10-26 22:11:50,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15577 to 14204. [2018-10-26 22:11:50,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14204 states. [2018-10-26 22:11:50,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14204 states to 14204 states and 19574 transitions. [2018-10-26 22:11:50,608 INFO L78 Accepts]: Start accepts. Automaton has 14204 states and 19574 transitions. Word has length 119 [2018-10-26 22:11:50,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:11:50,609 INFO L481 AbstractCegarLoop]: Abstraction has 14204 states and 19574 transitions. [2018-10-26 22:11:50,609 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 22:11:50,609 INFO L276 IsEmpty]: Start isEmpty. Operand 14204 states and 19574 transitions. [2018-10-26 22:11:50,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-10-26 22:11:50,616 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:11:50,616 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:11:50,617 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:11:50,617 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:11:50,617 INFO L82 PathProgramCache]: Analyzing trace with hash -1647037291, now seen corresponding path program 1 times [2018-10-26 22:11:50,617 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:11:50,618 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:11:50,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:11:50,619 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:11:50,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:11:50,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:11:51,691 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-10-26 22:11:51,692 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:11:51,692 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 22:11:51,693 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 22:11:51,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 22:11:51,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-26 22:11:51,694 INFO L87 Difference]: Start difference. First operand 14204 states and 19574 transitions. Second operand 7 states. [2018-10-26 22:12:29,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:12:29,882 INFO L93 Difference]: Finished difference Result 40712 states and 55789 transitions. [2018-10-26 22:12:29,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 22:12:29,884 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 327 [2018-10-26 22:12:29,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:12:29,956 INFO L225 Difference]: With dead ends: 40712 [2018-10-26 22:12:29,956 INFO L226 Difference]: Without dead ends: 26510 [2018-10-26 22:12:29,974 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2018-10-26 22:12:29,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26510 states. [2018-10-26 22:12:30,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26510 to 23774. [2018-10-26 22:12:30,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23774 states. [2018-10-26 22:12:30,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23774 states to 23774 states and 29481 transitions. [2018-10-26 22:12:30,362 INFO L78 Accepts]: Start accepts. Automaton has 23774 states and 29481 transitions. Word has length 327 [2018-10-26 22:12:30,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:12:30,363 INFO L481 AbstractCegarLoop]: Abstraction has 23774 states and 29481 transitions. [2018-10-26 22:12:30,364 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 22:12:30,364 INFO L276 IsEmpty]: Start isEmpty. Operand 23774 states and 29481 transitions. [2018-10-26 22:12:30,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2018-10-26 22:12:30,378 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:12:30,379 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:12:30,379 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:12:30,379 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:12:30,380 INFO L82 PathProgramCache]: Analyzing trace with hash -1715086277, now seen corresponding path program 1 times [2018-10-26 22:12:30,380 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:12:30,380 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:12:30,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:12:30,381 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:12:30,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:12:30,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:12:30,893 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 97 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:12:30,893 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:12:30,893 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/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 [2018-10-26 22:12:30,908 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:12:31,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:12:31,068 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:12:31,268 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:12:31,299 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 22:12:31,299 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2018-10-26 22:12:31,301 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 22:12:31,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 22:12:31,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-26 22:12:31,302 INFO L87 Difference]: Start difference. First operand 23774 states and 29481 transitions. Second operand 5 states. [2018-10-26 22:13:09,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:13:09,105 INFO L93 Difference]: Finished difference Result 109446 states and 147487 transitions. [2018-10-26 22:13:09,106 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 22:13:09,106 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 355 [2018-10-26 22:13:09,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:13:09,255 INFO L225 Difference]: With dead ends: 109446 [2018-10-26 22:13:09,255 INFO L226 Difference]: Without dead ends: 76108 [2018-10-26 22:13:09,296 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 361 GetRequests, 356 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-26 22:13:09,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76108 states. [2018-10-26 22:13:10,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76108 to 76005. [2018-10-26 22:13:10,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76005 states. [2018-10-26 22:13:10,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76005 states to 76005 states and 90448 transitions. [2018-10-26 22:13:10,535 INFO L78 Accepts]: Start accepts. Automaton has 76005 states and 90448 transitions. Word has length 355 [2018-10-26 22:13:10,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:13:10,536 INFO L481 AbstractCegarLoop]: Abstraction has 76005 states and 90448 transitions. [2018-10-26 22:13:10,536 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 22:13:10,537 INFO L276 IsEmpty]: Start isEmpty. Operand 76005 states and 90448 transitions. [2018-10-26 22:13:10,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2018-10-26 22:13:10,544 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:13:10,545 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:13:10,545 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:13:10,546 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:13:10,546 INFO L82 PathProgramCache]: Analyzing trace with hash 1663858243, now seen corresponding path program 1 times [2018-10-26 22:13:10,546 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:13:10,546 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:13:10,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:13:10,547 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:13:10,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:13:10,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:13:11,499 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 97 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-10-26 22:13:11,499 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:13:11,499 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 22:13:11,518 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:13:11,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:13:11,631 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:13:11,775 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:13:11,811 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 22:13:11,812 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2018-10-26 22:13:11,814 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 22:13:11,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 22:13:11,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 22:13:11,815 INFO L87 Difference]: Start difference. First operand 76005 states and 90448 transitions. Second operand 4 states. [2018-10-26 22:13:38,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:13:38,405 INFO L93 Difference]: Finished difference Result 271198 states and 327262 transitions. [2018-10-26 22:13:38,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 22:13:38,405 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 365 [2018-10-26 22:13:38,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:13:38,664 INFO L225 Difference]: With dead ends: 271198 [2018-10-26 22:13:38,664 INFO L226 Difference]: Without dead ends: 196561 [2018-10-26 22:13:38,721 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 367 GetRequests, 365 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 22:13:38,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196561 states. [2018-10-26 22:13:40,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196561 to 126540. [2018-10-26 22:13:40,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126540 states. [2018-10-26 22:13:40,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126540 states to 126540 states and 149973 transitions. [2018-10-26 22:13:40,472 INFO L78 Accepts]: Start accepts. Automaton has 126540 states and 149973 transitions. Word has length 365 [2018-10-26 22:13:40,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:13:40,472 INFO L481 AbstractCegarLoop]: Abstraction has 126540 states and 149973 transitions. [2018-10-26 22:13:40,473 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 22:13:40,473 INFO L276 IsEmpty]: Start isEmpty. Operand 126540 states and 149973 transitions. [2018-10-26 22:13:40,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 832 [2018-10-26 22:13:40,514 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:13:40,515 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:13:40,516 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:13:40,516 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:13:40,516 INFO L82 PathProgramCache]: Analyzing trace with hash 627984762, now seen corresponding path program 1 times [2018-10-26 22:13:40,516 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:13:40,516 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:13:40,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:13:40,517 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:13:40,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:13:40,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:13:41,322 WARN L179 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 15 [2018-10-26 22:13:42,695 INFO L134 CoverageAnalysis]: Checked inductivity of 1146 backedges. 666 proven. 4 refuted. 0 times theorem prover too weak. 476 trivial. 0 not checked. [2018-10-26 22:13:42,696 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:13:42,696 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 22:13:42,708 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:13:42,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:13:42,906 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:13:43,449 INFO L134 CoverageAnalysis]: Checked inductivity of 1146 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 951 trivial. 0 not checked. [2018-10-26 22:13:43,488 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 22:13:43,488 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2018-10-26 22:13:43,490 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 22:13:43,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 22:13:43,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-26 22:13:43,491 INFO L87 Difference]: Start difference. First operand 126540 states and 149973 transitions. Second operand 6 states. [2018-10-26 22:14:19,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:14:19,194 INFO L93 Difference]: Finished difference Result 328218 states and 392967 transitions. [2018-10-26 22:14:19,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 22:14:19,195 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 831 [2018-10-26 22:14:19,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:14:19,482 INFO L225 Difference]: With dead ends: 328218 [2018-10-26 22:14:19,482 INFO L226 Difference]: Without dead ends: 196211 [2018-10-26 22:14:19,574 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 837 GetRequests, 831 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-10-26 22:14:19,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196211 states. [2018-10-26 22:14:21,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196211 to 155216. [2018-10-26 22:14:21,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155216 states. [2018-10-26 22:14:22,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155216 states to 155216 states and 171550 transitions. [2018-10-26 22:14:22,122 INFO L78 Accepts]: Start accepts. Automaton has 155216 states and 171550 transitions. Word has length 831 [2018-10-26 22:14:22,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:14:22,123 INFO L481 AbstractCegarLoop]: Abstraction has 155216 states and 171550 transitions. [2018-10-26 22:14:22,123 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 22:14:22,123 INFO L276 IsEmpty]: Start isEmpty. Operand 155216 states and 171550 transitions. [2018-10-26 22:14:22,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1073 [2018-10-26 22:14:22,174 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:14:22,175 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:14:22,175 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:14:22,176 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:14:22,176 INFO L82 PathProgramCache]: Analyzing trace with hash 1776015434, now seen corresponding path program 1 times [2018-10-26 22:14:22,176 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:14:22,176 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:14:22,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:14:22,177 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:14:22,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:14:22,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2018-10-26 22:14:22,787 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Timeout exceeded at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.interpolate(Interpolator.java:215) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:201) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:919) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:282) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsTree(InterpolatingTraceCheckCraig.java:271) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:207) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructCraig(TraceCheckConstructor.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:183) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:234) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:435) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-26 22:14:22,791 INFO L168 Benchmark]: Toolchain (without parser) took 238932.36 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.5 GB). Free memory was 1.4 GB in the beginning and 2.8 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-10-26 22:14:22,792 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-26 22:14:22,793 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3410.63 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 404.3 MB). Peak memory consumption was 404.3 MB. Max. memory is 7.1 GB. [2018-10-26 22:14:22,794 INFO L168 Benchmark]: Boogie Procedure Inliner took 1220.61 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 871.4 MB). Free memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 117.1 MB. Max. memory is 7.1 GB. [2018-10-26 22:14:22,795 INFO L168 Benchmark]: Boogie Preprocessor took 994.38 ms. Allocated memory is still 2.4 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 110.6 MB). Peak memory consumption was 110.6 MB. Max. memory is 7.1 GB. [2018-10-26 22:14:22,796 INFO L168 Benchmark]: RCFGBuilder took 17026.99 ms. Allocated memory was 2.4 GB in the beginning and 2.7 GB in the end (delta: 289.9 MB). Free memory was 2.1 GB in the beginning and 2.4 GB in the end (delta: -393.6 MB). Peak memory consumption was 838.3 MB. Max. memory is 7.1 GB. [2018-10-26 22:14:22,797 INFO L168 Benchmark]: TraceAbstraction took 216273.19 ms. Allocated memory was 2.7 GB in the beginning and 4.1 GB in the end (delta: 1.4 GB). Free memory was 2.4 GB in the beginning and 2.8 GB in the end (delta: -391.6 MB). Peak memory consumption was 959.0 MB. Max. memory is 7.1 GB. [2018-10-26 22:14:22,803 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3410.63 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 404.3 MB). Peak memory consumption was 404.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 1220.61 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 871.4 MB). Free memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 117.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 994.38 ms. Allocated memory is still 2.4 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 110.6 MB). Peak memory consumption was 110.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 17026.99 ms. Allocated memory was 2.4 GB in the beginning and 2.7 GB in the end (delta: 289.9 MB). Free memory was 2.1 GB in the beginning and 2.4 GB in the end (delta: -393.6 MB). Peak memory consumption was 838.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 216273.19 ms. Allocated memory was 2.7 GB in the beginning and 4.1 GB in the end (delta: 1.4 GB). Free memory was 2.4 GB in the beginning and 2.8 GB in the end (delta: -391.6 MB). Peak memory consumption was 959.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Timeout exceeded de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Timeout exceeded: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.interpolate(Interpolator.java:215) RESULT: Ultimate could not prove your program: Toolchain returned no result. Completed graceful shutdown