java -Xss4m -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label29_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-71425fa [2018-07-22 05:32:23,932 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-22 05:32:23,954 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-22 05:32:23,975 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-22 05:32:23,975 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-22 05:32:23,977 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-22 05:32:23,978 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-22 05:32:23,981 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-22 05:32:23,982 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-22 05:32:23,983 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-22 05:32:23,986 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-22 05:32:23,986 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-22 05:32:23,987 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-22 05:32:23,988 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-22 05:32:23,991 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-22 05:32:23,992 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-22 05:32:23,993 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-22 05:32:24,006 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-22 05:32:24,008 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-22 05:32:24,009 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-22 05:32:24,011 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-22 05:32:24,016 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-22 05:32:24,018 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-22 05:32:24,018 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-22 05:32:24,018 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-22 05:32:24,019 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-22 05:32:24,020 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-22 05:32:24,021 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-22 05:32:24,023 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-22 05:32:24,025 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-22 05:32:24,025 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-22 05:32:24,027 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-07-22 05:32:24,030 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-07-22 05:32:24,092 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-22 05:32:24,092 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-22 05:32:24,093 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-22 05:32:24,093 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-07-22 05:32:24,097 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-07-22 05:32:24,097 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-07-22 05:32:24,097 INFO L133 SettingsManager]: * Use SBE=true [2018-07-22 05:32:24,097 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-22 05:32:24,098 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-22 05:32:24,098 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-22 05:32:24,099 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-22 05:32:24,099 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-22 05:32:24,099 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-22 05:32:24,100 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-22 05:32:24,100 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-22 05:32:24,100 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-22 05:32:24,100 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-22 05:32:24,101 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-22 05:32:24,101 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-22 05:32:24,101 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-22 05:32:24,101 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-22 05:32:24,101 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-07-22 05:32:24,101 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-22 05:32:24,102 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-22 05:32:24,102 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-07-22 05:32:24,102 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-22 05:32:24,102 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-22 05:32:24,102 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-22 05:32:24,103 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-22 05:32:24,162 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-22 05:32:24,234 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-22 05:32:24,371 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-22 05:32:24,372 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-22 05:32:24,373 INFO L276 PluginConnector]: CDTParser initialized [2018-07-22 05:32:24,373 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label29_false-unreach-call.c [2018-07-22 05:32:25,357 INFO L220 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/d6ccf84b1/6b98f3d3a83a49f584d38f42e113cbea/FLAGcd7c19b3e [2018-07-22 05:32:26,360 INFO L276 CDTParser]: Found 1 translation units. [2018-07-22 05:32:26,361 INFO L158 CDTParser]: Scanning /storage/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label29_false-unreach-call.c [2018-07-22 05:32:26,453 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/d6ccf84b1/6b98f3d3a83a49f584d38f42e113cbea/FLAGcd7c19b3e [2018-07-22 05:32:26,551 INFO L332 CDTParser]: Successfully deleted /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/d6ccf84b1/6b98f3d3a83a49f584d38f42e113cbea [2018-07-22 05:32:26,600 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-22 05:32:26,776 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-22 05:32:26,779 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-22 05:32:26,779 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-22 05:32:26,817 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-22 05:32:26,817 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 05:32:26" (1/1) ... [2018-07-22 05:32:26,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@296218fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:32:26, skipping insertion in model container [2018-07-22 05:32:26,836 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 05:32:26" (1/1) ... [2018-07-22 05:32:27,538 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-22 05:32:29,630 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-22 05:32:29,741 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-22 05:32:31,298 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-22 05:32:32,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:32:32 WrapperNode [2018-07-22 05:32:32,627 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-22 05:32:32,628 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-22 05:32:32,628 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-22 05:32:32,628 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-22 05:32:32,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:32:32" (1/1) ... [2018-07-22 05:32:32,795 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:32:32" (1/1) ... [2018-07-22 05:32:33,741 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-22 05:32:33,741 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-22 05:32:33,741 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-22 05:32:33,741 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-22 05:32:33,749 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:32:32" (1/1) ... [2018-07-22 05:32:33,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:32:32" (1/1) ... [2018-07-22 05:32:33,861 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:32:32" (1/1) ... [2018-07-22 05:32:33,861 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:32:32" (1/1) ... [2018-07-22 05:32:34,228 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:32:32" (1/1) ... [2018-07-22 05:32:34,284 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:32:32" (1/1) ... [2018-07-22 05:32:34,461 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:32:32" (1/1) ... [2018-07-22 05:32:34,648 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-22 05:32:34,652 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-22 05:32:34,652 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-22 05:32:34,652 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-22 05:32:34,654 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:32:32" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-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 [2018-07-22 05:32:34,869 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-07-22 05:32:34,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-22 05:32:34,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-22 05:32:52,429 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-22 05:32:52,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:32:52 BoogieIcfgContainer [2018-07-22 05:32:52,430 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-22 05:32:52,431 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-22 05:32:52,432 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-22 05:32:52,441 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-22 05:32:52,441 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 05:32:26" (1/3) ... [2018-07-22 05:32:52,442 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5283084a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 05:32:52, skipping insertion in model container [2018-07-22 05:32:52,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:32:32" (2/3) ... [2018-07-22 05:32:52,443 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5283084a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 05:32:52, skipping insertion in model container [2018-07-22 05:32:52,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:32:52" (3/3) ... [2018-07-22 05:32:52,449 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label29_false-unreach-call.c [2018-07-22 05:32:52,458 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-22 05:32:52,467 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-22 05:32:52,536 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-22 05:32:52,537 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-22 05:32:52,537 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-22 05:32:52,537 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-22 05:32:52,537 INFO L376 AbstractCegarLoop]: Backedges is TWOTRACK [2018-07-22 05:32:52,537 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-22 05:32:52,537 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-22 05:32:52,537 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-22 05:32:52,538 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-22 05:32:52,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states. [2018-07-22 05:32:52,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-07-22 05:32:52,585 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 05:32:52,586 INFO L358 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] [2018-07-22 05:32:52,587 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 05:32:52,591 INFO L82 PathProgramCache]: Analyzing trace with hash 682595178, now seen corresponding path program 1 times [2018-07-22 05:32:52,593 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 05:32:52,593 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 05:32:52,858 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:32:52,858 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 05:32:52,858 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:32:52,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 05:32:53,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-22 05:32:53,179 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 05:32:53,180 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-22 05:32:53,183 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-22 05:32:53,284 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-22 05:32:53,285 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-22 05:32:53,374 INFO L87 Difference]: Start difference. First operand 1749 states. Second operand 4 states. [2018-07-22 05:33:11,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 05:33:11,136 INFO L93 Difference]: Finished difference Result 6326 states and 12083 transitions. [2018-07-22 05:33:11,136 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-22 05:33:11,212 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2018-07-22 05:33:11,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 05:33:11,340 INFO L225 Difference]: With dead ends: 6326 [2018-07-22 05:33:11,341 INFO L226 Difference]: Without dead ends: 4570 [2018-07-22 05:33:11,362 INFO L578 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 [2018-07-22 05:33:11,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4570 states. [2018-07-22 05:33:11,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4570 to 4565. [2018-07-22 05:33:11,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4565 states. [2018-07-22 05:33:11,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4565 states to 4565 states and 7758 transitions. [2018-07-22 05:33:11,724 INFO L78 Accepts]: Start accepts. Automaton has 4565 states and 7758 transitions. Word has length 22 [2018-07-22 05:33:11,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 05:33:11,725 INFO L471 AbstractCegarLoop]: Abstraction has 4565 states and 7758 transitions. [2018-07-22 05:33:11,725 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-22 05:33:11,725 INFO L276 IsEmpty]: Start isEmpty. Operand 4565 states and 7758 transitions. [2018-07-22 05:33:11,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-07-22 05:33:11,730 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 05:33:11,730 INFO L358 BasicCegarLoop]: trace histogram [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] [2018-07-22 05:33:11,732 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 05:33:11,732 INFO L82 PathProgramCache]: Analyzing trace with hash -887799068, now seen corresponding path program 1 times [2018-07-22 05:33:11,733 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 05:33:11,733 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 05:33:11,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:33:11,734 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 05:33:11,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:33:11,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 05:33:12,053 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-22 05:33:12,054 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 05:33:12,054 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-22 05:33:12,057 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-22 05:33:12,057 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-22 05:33:12,057 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-22 05:33:12,058 INFO L87 Difference]: Start difference. First operand 4565 states and 7758 transitions. Second operand 4 states. [2018-07-22 05:33:32,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 05:33:32,760 INFO L93 Difference]: Finished difference Result 17445 states and 29978 transitions. [2018-07-22 05:33:32,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-22 05:33:32,763 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 108 [2018-07-22 05:33:32,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 05:33:32,826 INFO L225 Difference]: With dead ends: 17445 [2018-07-22 05:33:32,826 INFO L226 Difference]: Without dead ends: 12882 [2018-07-22 05:33:32,835 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-22 05:33:32,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12882 states. [2018-07-22 05:33:33,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12882 to 12843. [2018-07-22 05:33:33,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12843 states. [2018-07-22 05:33:33,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12843 states to 12843 states and 18655 transitions. [2018-07-22 05:33:33,171 INFO L78 Accepts]: Start accepts. Automaton has 12843 states and 18655 transitions. Word has length 108 [2018-07-22 05:33:33,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 05:33:33,173 INFO L471 AbstractCegarLoop]: Abstraction has 12843 states and 18655 transitions. [2018-07-22 05:33:33,173 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-22 05:33:33,173 INFO L276 IsEmpty]: Start isEmpty. Operand 12843 states and 18655 transitions. [2018-07-22 05:33:33,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-07-22 05:33:33,190 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 05:33:33,190 INFO L358 BasicCegarLoop]: trace histogram [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, 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] [2018-07-22 05:33:33,191 INFO L414 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 05:33:33,191 INFO L82 PathProgramCache]: Analyzing trace with hash -222439778, now seen corresponding path program 1 times [2018-07-22 05:33:33,191 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 05:33:33,191 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 05:33:33,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:33:33,195 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 05:33:33,196 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:33:33,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 05:33:33,647 WARN L169 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 7 DAG size of output: 4 [2018-07-22 05:33:33,685 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-07-22 05:33:33,685 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 05:33:33,686 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-22 05:33:33,686 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-22 05:33:33,687 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-22 05:33:33,687 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-07-22 05:33:33,687 INFO L87 Difference]: Start difference. First operand 12843 states and 18655 transitions. Second operand 5 states. [2018-07-22 05:33:50,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 05:33:50,269 INFO L93 Difference]: Finished difference Result 29794 states and 42493 transitions. [2018-07-22 05:33:50,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-22 05:33:50,269 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 165 [2018-07-22 05:33:50,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 05:33:50,345 INFO L225 Difference]: With dead ends: 29794 [2018-07-22 05:33:50,346 INFO L226 Difference]: Without dead ends: 16953 [2018-07-22 05:33:50,361 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-07-22 05:33:50,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16953 states. [2018-07-22 05:33:50,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16953 to 16947. [2018-07-22 05:33:50,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16947 states. [2018-07-22 05:33:50,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16947 states to 16947 states and 22455 transitions. [2018-07-22 05:33:50,721 INFO L78 Accepts]: Start accepts. Automaton has 16947 states and 22455 transitions. Word has length 165 [2018-07-22 05:33:50,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 05:33:50,722 INFO L471 AbstractCegarLoop]: Abstraction has 16947 states and 22455 transitions. [2018-07-22 05:33:50,722 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-22 05:33:50,722 INFO L276 IsEmpty]: Start isEmpty. Operand 16947 states and 22455 transitions. [2018-07-22 05:33:50,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-07-22 05:33:50,725 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 05:33:50,725 INFO L358 BasicCegarLoop]: trace histogram [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, 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] [2018-07-22 05:33:50,729 INFO L414 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 05:33:50,730 INFO L82 PathProgramCache]: Analyzing trace with hash 1402311724, now seen corresponding path program 1 times [2018-07-22 05:33:50,730 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 05:33:50,730 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 05:33:50,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:33:50,731 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 05:33:50,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:33:50,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 05:33:50,961 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-07-22 05:33:50,962 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 05:33:50,962 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-22 05:33:50,962 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-22 05:33:50,962 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-22 05:33:50,963 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-22 05:33:50,963 INFO L87 Difference]: Start difference. First operand 16947 states and 22455 transitions. Second operand 4 states. [2018-07-22 05:34:08,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 05:34:08,000 INFO L93 Difference]: Finished difference Result 66937 states and 88726 transitions. [2018-07-22 05:34:08,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-22 05:34:08,000 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 168 [2018-07-22 05:34:08,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 05:34:08,117 INFO L225 Difference]: With dead ends: 66937 [2018-07-22 05:34:08,117 INFO L226 Difference]: Without dead ends: 49992 [2018-07-22 05:34:08,133 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-22 05:34:08,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49992 states. [2018-07-22 05:34:08,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49992 to 33332. [2018-07-22 05:34:08,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33332 states. [2018-07-22 05:34:08,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33332 states to 33332 states and 43122 transitions. [2018-07-22 05:34:08,751 INFO L78 Accepts]: Start accepts. Automaton has 33332 states and 43122 transitions. Word has length 168 [2018-07-22 05:34:08,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 05:34:08,753 INFO L471 AbstractCegarLoop]: Abstraction has 33332 states and 43122 transitions. [2018-07-22 05:34:08,753 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-22 05:34:08,753 INFO L276 IsEmpty]: Start isEmpty. Operand 33332 states and 43122 transitions. [2018-07-22 05:34:08,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-07-22 05:34:08,755 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 05:34:08,757 INFO L358 BasicCegarLoop]: trace histogram [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, 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] [2018-07-22 05:34:08,758 INFO L414 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 05:34:08,758 INFO L82 PathProgramCache]: Analyzing trace with hash -597820724, now seen corresponding path program 1 times [2018-07-22 05:34:08,758 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 05:34:08,758 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 05:34:08,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:34:08,759 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 05:34:08,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:34:08,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 05:34:09,028 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-07-22 05:34:09,028 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 05:34:09,028 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-22 05:34:09,029 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-22 05:34:09,029 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-22 05:34:09,029 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-22 05:34:09,030 INFO L87 Difference]: Start difference. First operand 33332 states and 43122 transitions. Second operand 4 states. [2018-07-22 05:34:23,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 05:34:23,887 INFO L93 Difference]: Finished difference Result 129807 states and 168258 transitions. [2018-07-22 05:34:23,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-22 05:34:23,888 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 188 [2018-07-22 05:34:23,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 05:34:24,010 INFO L225 Difference]: With dead ends: 129807 [2018-07-22 05:34:24,010 INFO L226 Difference]: Without dead ends: 96477 [2018-07-22 05:34:24,051 INFO L578 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 [2018-07-22 05:34:24,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96477 states. [2018-07-22 05:34:25,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96477 to 96461. [2018-07-22 05:34:25,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96461 states. [2018-07-22 05:34:28,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96461 states to 96461 states and 113208 transitions. [2018-07-22 05:34:28,873 INFO L78 Accepts]: Start accepts. Automaton has 96461 states and 113208 transitions. Word has length 188 [2018-07-22 05:34:28,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 05:34:28,873 INFO L471 AbstractCegarLoop]: Abstraction has 96461 states and 113208 transitions. [2018-07-22 05:34:28,873 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-22 05:34:28,873 INFO L276 IsEmpty]: Start isEmpty. Operand 96461 states and 113208 transitions. [2018-07-22 05:34:28,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 826 [2018-07-22 05:34:28,900 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 05:34:28,901 INFO L358 BasicCegarLoop]: trace histogram [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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-22 05:34:28,901 INFO L414 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 05:34:28,902 INFO L82 PathProgramCache]: Analyzing trace with hash -104934360, now seen corresponding path program 1 times [2018-07-22 05:34:28,902 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 05:34:28,902 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 05:34:28,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:34:28,905 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 05:34:28,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:34:29,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 05:34:30,360 WARN L169 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-07-22 05:34:31,102 WARN L169 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 23 [2018-07-22 05:34:31,975 WARN L169 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 28 [2018-07-22 05:34:32,158 WARN L169 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 4 [2018-07-22 05:34:32,564 WARN L169 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 4 [2018-07-22 05:34:34,234 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 237 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-07-22 05:34:34,234 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 05:34:34,234 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-07-22 05:34:34,235 INFO L450 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-07-22 05:34:34,235 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-07-22 05:34:34,235 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-07-22 05:34:34,236 INFO L87 Difference]: Start difference. First operand 96461 states and 113208 transitions. Second operand 8 states. [2018-07-22 05:34:56,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 05:34:56,030 INFO L93 Difference]: Finished difference Result 267569 states and 314472 transitions. [2018-07-22 05:34:56,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-07-22 05:34:56,031 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 825 [2018-07-22 05:34:56,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 05:34:56,219 INFO L225 Difference]: With dead ends: 267569 [2018-07-22 05:34:56,219 INFO L226 Difference]: Without dead ends: 171110 [2018-07-22 05:34:56,291 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2018-07-22 05:34:56,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171110 states. [2018-07-22 05:34:57,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171110 to 97827. [2018-07-22 05:34:57,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97827 states. [2018-07-22 05:34:58,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97827 states to 97827 states and 114580 transitions. [2018-07-22 05:34:58,050 INFO L78 Accepts]: Start accepts. Automaton has 97827 states and 114580 transitions. Word has length 825 [2018-07-22 05:34:58,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 05:34:58,052 INFO L471 AbstractCegarLoop]: Abstraction has 97827 states and 114580 transitions. [2018-07-22 05:34:58,052 INFO L472 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-07-22 05:34:58,052 INFO L276 IsEmpty]: Start isEmpty. Operand 97827 states and 114580 transitions. [2018-07-22 05:34:58,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 943 [2018-07-22 05:34:58,095 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 05:34:58,096 INFO L358 BasicCegarLoop]: trace histogram [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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-22 05:34:58,096 INFO L414 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 05:34:58,097 INFO L82 PathProgramCache]: Analyzing trace with hash 1592170767, now seen corresponding path program 1 times [2018-07-22 05:34:58,097 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 05:34:58,097 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 05:34:58,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:34:58,098 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 05:34:58,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:34:58,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 05:34:59,058 WARN L169 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 7 DAG size of output: 4 [2018-07-22 05:35:00,038 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 307 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2018-07-22 05:35:00,039 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 05:35:00,040 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-22 05:35:00,041 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-22 05:35:00,041 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-22 05:35:00,041 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-22 05:35:00,042 INFO L87 Difference]: Start difference. First operand 97827 states and 114580 transitions. Second operand 4 states. [2018-07-22 05:35:12,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 05:35:12,858 INFO L93 Difference]: Finished difference Result 194287 states and 227790 transitions. [2018-07-22 05:35:12,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-22 05:35:12,859 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 942 [2018-07-22 05:35:12,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 05:35:12,980 INFO L225 Difference]: With dead ends: 194287 [2018-07-22 05:35:12,981 INFO L226 Difference]: Without dead ends: 97828 [2018-07-22 05:35:13,056 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-22 05:35:13,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97828 states. [2018-07-22 05:35:13,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97828 to 86892. [2018-07-22 05:35:13,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86892 states. [2018-07-22 05:35:13,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86892 states to 86892 states and 97555 transitions. [2018-07-22 05:35:13,835 INFO L78 Accepts]: Start accepts. Automaton has 86892 states and 97555 transitions. Word has length 942 [2018-07-22 05:35:13,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 05:35:13,837 INFO L471 AbstractCegarLoop]: Abstraction has 86892 states and 97555 transitions. [2018-07-22 05:35:13,837 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-22 05:35:13,837 INFO L276 IsEmpty]: Start isEmpty. Operand 86892 states and 97555 transitions. [2018-07-22 05:35:13,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 970 [2018-07-22 05:35:13,852 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 05:35:13,853 INFO L358 BasicCegarLoop]: trace histogram [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, 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-22 05:35:13,853 INFO L414 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 05:35:13,854 INFO L82 PathProgramCache]: Analyzing trace with hash 5601554, now seen corresponding path program 1 times [2018-07-22 05:35:13,854 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 05:35:13,854 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 05:35:13,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:35:13,855 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 05:35:13,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:35:14,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 05:35:15,686 INFO L134 CoverageAnalysis]: Checked inductivity of 748 backedges. 276 proven. 0 refuted. 0 times theorem prover too weak. 472 trivial. 0 not checked. [2018-07-22 05:35:15,687 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 05:35:15,687 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-22 05:35:15,688 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-22 05:35:15,688 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-22 05:35:15,688 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-22 05:35:15,689 INFO L87 Difference]: Start difference. First operand 86892 states and 97555 transitions. Second operand 4 states. [2018-07-22 05:35:31,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 05:35:31,905 INFO L93 Difference]: Finished difference Result 311926 states and 350159 transitions. [2018-07-22 05:35:31,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-22 05:35:31,905 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 969 [2018-07-22 05:35:31,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 05:35:32,133 INFO L225 Difference]: With dead ends: 311926 [2018-07-22 05:35:32,133 INFO L226 Difference]: Without dead ends: 226402 [2018-07-22 05:35:32,183 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-22 05:35:32,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226402 states. [2018-07-22 05:35:34,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226402 to 224880. [2018-07-22 05:35:34,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224880 states. [2018-07-22 05:35:34,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224880 states to 224880 states and 246647 transitions. [2018-07-22 05:35:34,886 INFO L78 Accepts]: Start accepts. Automaton has 224880 states and 246647 transitions. Word has length 969 [2018-07-22 05:35:34,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 05:35:34,888 INFO L471 AbstractCegarLoop]: Abstraction has 224880 states and 246647 transitions. [2018-07-22 05:35:34,888 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-22 05:35:34,888 INFO L276 IsEmpty]: Start isEmpty. Operand 224880 states and 246647 transitions. [2018-07-22 05:35:34,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1040 [2018-07-22 05:35:34,910 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 05:35:34,911 INFO L358 BasicCegarLoop]: trace histogram [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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-22 05:35:34,911 INFO L414 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 05:35:34,911 INFO L82 PathProgramCache]: Analyzing trace with hash 1044264944, now seen corresponding path program 1 times [2018-07-22 05:35:34,912 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 05:35:34,913 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 05:35:34,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:35:34,914 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 05:35:34,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:35:35,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 05:35:36,817 WARN L169 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 7 [2018-07-22 05:35:38,017 INFO L134 CoverageAnalysis]: Checked inductivity of 803 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2018-07-22 05:35:38,017 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 05:35:38,018 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-22 05:35:38,018 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-22 05:35:38,019 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-22 05:35:38,019 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-07-22 05:35:38,019 INFO L87 Difference]: Start difference. First operand 224880 states and 246647 transitions. Second operand 5 states. [2018-07-22 05:35:55,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 05:35:55,733 INFO L93 Difference]: Finished difference Result 514296 states and 566123 transitions. [2018-07-22 05:35:55,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-22 05:35:55,733 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1039 [2018-07-22 05:35:55,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 05:35:56,040 INFO L225 Difference]: With dead ends: 514296 [2018-07-22 05:35:56,040 INFO L226 Difference]: Without dead ends: 282571 [2018-07-22 05:35:56,123 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-07-22 05:35:56,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282571 states. [2018-07-22 05:36:04,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282571 to 282241. [2018-07-22 05:36:04,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282241 states. [2018-07-22 05:36:04,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282241 states to 282241 states and 306426 transitions. [2018-07-22 05:36:04,885 INFO L78 Accepts]: Start accepts. Automaton has 282241 states and 306426 transitions. Word has length 1039 [2018-07-22 05:36:04,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 05:36:04,886 INFO L471 AbstractCegarLoop]: Abstraction has 282241 states and 306426 transitions. [2018-07-22 05:36:04,887 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-22 05:36:04,887 INFO L276 IsEmpty]: Start isEmpty. Operand 282241 states and 306426 transitions. [2018-07-22 05:36:04,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1062 [2018-07-22 05:36:04,904 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 05:36:04,905 INFO L358 BasicCegarLoop]: trace histogram [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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-22 05:36:04,905 INFO L414 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 05:36:04,905 INFO L82 PathProgramCache]: Analyzing trace with hash -371868721, now seen corresponding path program 1 times [2018-07-22 05:36:04,905 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 05:36:04,905 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 05:36:04,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:36:04,906 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 05:36:04,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:36:05,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 05:36:05,679 WARN L169 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-07-22 05:36:06,178 WARN L169 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 15 [2018-07-22 05:36:06,620 WARN L169 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 21 Received shutdown request... [2018-07-22 05:36:12,240 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 515 proven. 4 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2018-07-22 05:36:12,240 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-22 05:36:12,240 INFO L219 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-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 [2018-07-22 05:36:12,256 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 05:36:12,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 05:36:12,618 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-22 05:36:12,703 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-07-22 05:36:12,905 WARN L512 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-22 05:36:12,905 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-22 05:36:12,909 WARN L202 ceAbstractionStarter]: Timeout [2018-07-22 05:36:12,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 05:36:12 BoogieIcfgContainer [2018-07-22 05:36:12,909 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-22 05:36:12,910 INFO L168 Benchmark]: Toolchain (without parser) took 226309.29 ms. Allocated memory was 235.9 MB in the beginning and 2.4 GB in the end (delta: 2.2 GB). Free memory was 156.2 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.0 GB. Max. memory is 5.3 GB. [2018-07-22 05:36:12,912 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 235.9 MB. Free memory is still 200.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-07-22 05:36:12,912 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5848.40 ms. Allocated memory was 235.9 MB in the beginning and 443.0 MB in the end (delta: 207.1 MB). Free memory was 154.2 MB in the beginning and 252.7 MB in the end (delta: -98.4 MB). Peak memory consumption was 201.0 MB. Max. memory is 5.3 GB. [2018-07-22 05:36:12,913 INFO L168 Benchmark]: Boogie Procedure Inliner took 1113.31 ms. Allocated memory was 443.0 MB in the beginning and 593.0 MB in the end (delta: 149.9 MB). Free memory was 252.7 MB in the beginning and 317.1 MB in the end (delta: -64.4 MB). Peak memory consumption was 113.6 MB. Max. memory is 5.3 GB. [2018-07-22 05:36:12,914 INFO L168 Benchmark]: Boogie Preprocessor took 907.14 ms. Allocated memory is still 593.0 MB. Free memory was 317.1 MB in the beginning and 217.9 MB in the end (delta: 99.2 MB). Peak memory consumption was 99.2 MB. Max. memory is 5.3 GB. [2018-07-22 05:36:12,914 INFO L168 Benchmark]: RCFGBuilder took 17778.72 ms. Allocated memory was 593.0 MB in the beginning and 1.1 GB in the end (delta: 552.6 MB). Free memory was 217.9 MB in the beginning and 560.9 MB in the end (delta: -343.0 MB). Peak memory consumption was 393.4 MB. Max. memory is 5.3 GB. [2018-07-22 05:36:12,916 INFO L168 Benchmark]: TraceAbstraction took 200477.84 ms. Allocated memory was 1.1 GB in the beginning and 2.4 GB in the end (delta: 1.3 GB). Free memory was 560.9 MB in the beginning and 1.3 GB in the end (delta: -752.7 MB). Peak memory consumption was 499.8 MB. Max. memory is 5.3 GB. [2018-07-22 05:36:12,920 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 235.9 MB. Free memory is still 200.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 5848.40 ms. Allocated memory was 235.9 MB in the beginning and 443.0 MB in the end (delta: 207.1 MB). Free memory was 154.2 MB in the beginning and 252.7 MB in the end (delta: -98.4 MB). Peak memory consumption was 201.0 MB. Max. memory is 5.3 GB. * Boogie Procedure Inliner took 1113.31 ms. Allocated memory was 443.0 MB in the beginning and 593.0 MB in the end (delta: 149.9 MB). Free memory was 252.7 MB in the beginning and 317.1 MB in the end (delta: -64.4 MB). Peak memory consumption was 113.6 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 907.14 ms. Allocated memory is still 593.0 MB. Free memory was 317.1 MB in the beginning and 217.9 MB in the end (delta: 99.2 MB). Peak memory consumption was 99.2 MB. Max. memory is 5.3 GB. * RCFGBuilder took 17778.72 ms. Allocated memory was 593.0 MB in the beginning and 1.1 GB in the end (delta: 552.6 MB). Free memory was 217.9 MB in the beginning and 560.9 MB in the end (delta: -343.0 MB). Peak memory consumption was 393.4 MB. Max. memory is 5.3 GB. * TraceAbstraction took 200477.84 ms. Allocated memory was 1.1 GB in the beginning and 2.4 GB in the end (delta: 1.3 GB). Free memory was 560.9 MB in the beginning and 1.3 GB in the end (delta: -752.7 MB). Peak memory consumption was 499.8 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 79]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 79). Cancelled while BasicCegarLoop was analyzing trace of length 1062 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 5 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1749 locations, 1 error locations. TIMEOUT Result, 200.3s OverallTime, 10 OverallIterations, 5 TraceHistogramMax, 157.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 16702 SDtfs, 38185 SDslu, 13026 SDs, 0 SdLazy, 82825 SolverSat, 19983 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 130.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 12 SyntacticMatches, 7 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=282241occurred in iteration=9, 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: 20.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 102797 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 8.3s InterpolantComputationTime, 4426 NumberOfCodeBlocks, 4426 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 4417 ConstructedInterpolants, 0 QuantifiedInterpolants, 11578207 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 2752/2752 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem19_label29_false-unreach-call.c_svcomp-Reach-64bit-Automizer_Default.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-22_05-36-12-935.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem19_label29_false-unreach-call.c_svcomp-Reach-64bit-Automizer_Default.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-22_05-36-12-935.csv Completed graceful shutdown