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/Problem01_label45_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-26 19:55:48,821 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 19:55:48,823 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 19:55:48,842 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 19:55:48,842 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 19:55:48,844 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 19:55:48,845 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 19:55:48,848 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 19:55:48,850 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 19:55:48,858 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 19:55:48,859 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 19:55:48,860 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 19:55:48,861 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 19:55:48,861 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 19:55:48,866 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 19:55:48,869 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 19:55:48,870 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 19:55:48,874 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 19:55:48,878 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 19:55:48,882 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 19:55:48,883 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 19:55:48,886 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 19:55:48,889 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-26 19:55:48,902 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 19:55:48,925 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 19:55:48,925 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 19:55:48,928 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 19:55:48,929 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 19:55:48,929 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 19:55:48,930 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 19:55:48,930 INFO L133 SettingsManager]: * Use SBE=true [2018-10-26 19:55:48,930 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 19:55:48,930 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 19:55:48,930 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 19:55:48,931 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 19:55:48,931 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 19:55:48,931 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 19:55:48,931 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 19:55:48,931 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 19:55:48,932 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 19:55:48,932 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 19:55:48,932 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 19:55:48,932 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 19:55:48,932 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 19:55:48,933 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 19:55:48,933 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 19:55:48,933 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 19:55:48,933 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-26 19:55:48,933 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 19:55:48,934 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 19:55:48,934 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 19:55:48,934 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-26 19:55:48,978 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 19:55:48,991 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 19:55:48,995 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 19:55:48,997 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 19:55:48,997 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 19:55:48,998 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label45_true-unreach-call_false-termination.c [2018-10-26 19:55:49,055 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/5713c7dea/fc8c3a57237d4ce98a4d298202c2b8e5/FLAGb1572b58f [2018-10-26 19:55:49,605 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 19:55:49,608 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label45_true-unreach-call_false-termination.c [2018-10-26 19:55:49,626 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/5713c7dea/fc8c3a57237d4ce98a4d298202c2b8e5/FLAGb1572b58f [2018-10-26 19:55:49,651 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/5713c7dea/fc8c3a57237d4ce98a4d298202c2b8e5 [2018-10-26 19:55:49,671 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 19:55:49,673 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 19:55:49,676 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 19:55:49,676 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 19:55:49,680 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 19:55:49,681 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:55:49" (1/1) ... [2018-10-26 19:55:49,684 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19ab2840 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:55:49, skipping insertion in model container [2018-10-26 19:55:49,685 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:55:49" (1/1) ... [2018-10-26 19:55:49,696 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 19:55:49,769 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 19:55:50,262 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:55:50,267 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 19:55:50,376 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:55:50,397 INFO L193 MainTranslator]: Completed translation [2018-10-26 19:55:50,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:55:50 WrapperNode [2018-10-26 19:55:50,398 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 19:55:50,399 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 19:55:50,399 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 19:55:50,399 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 19:55:50,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:55:50" (1/1) ... [2018-10-26 19:55:50,439 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:55:50" (1/1) ... [2018-10-26 19:55:50,575 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 19:55:50,576 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 19:55:50,576 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 19:55:50,576 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 19:55:50,586 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:55:50" (1/1) ... [2018-10-26 19:55:50,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:55:50" (1/1) ... [2018-10-26 19:55:50,592 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:55:50" (1/1) ... [2018-10-26 19:55:50,592 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:55:50" (1/1) ... [2018-10-26 19:55:50,611 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:55:50" (1/1) ... [2018-10-26 19:55:50,634 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:55:50" (1/1) ... [2018-10-26 19:55:50,644 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:55:50" (1/1) ... [2018-10-26 19:55:50,651 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 19:55:50,651 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 19:55:50,652 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 19:55:50,652 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 19:55:50,653 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:55:50" (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 19:55:50,707 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-26 19:55:50,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 19:55:50,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 19:55:53,893 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 19:55:53,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:55:53 BoogieIcfgContainer [2018-10-26 19:55:53,894 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 19:55:53,901 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 19:55:53,901 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 19:55:53,904 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 19:55:53,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 07:55:49" (1/3) ... [2018-10-26 19:55:53,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71b2839c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:55:53, skipping insertion in model container [2018-10-26 19:55:53,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:55:50" (2/3) ... [2018-10-26 19:55:53,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71b2839c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:55:53, skipping insertion in model container [2018-10-26 19:55:53,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:55:53" (3/3) ... [2018-10-26 19:55:53,908 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label45_true-unreach-call_false-termination.c [2018-10-26 19:55:53,918 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 19:55:53,928 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 19:55:53,945 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 19:55:53,981 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 19:55:53,982 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 19:55:53,983 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 19:55:53,983 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 19:55:53,983 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 19:55:53,984 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 19:55:53,984 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 19:55:53,984 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 19:55:53,985 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 19:55:54,008 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2018-10-26 19:55:54,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-10-26 19:55:54,022 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:55:54,024 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:55:54,026 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:55:54,032 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:55:54,032 INFO L82 PathProgramCache]: Analyzing trace with hash -2041090969, now seen corresponding path program 1 times [2018-10-26 19:55:54,034 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:55:54,035 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:55:54,093 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:55:54,093 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:55:54,093 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:55:54,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:54,615 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 19:55:54,618 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:55:54,618 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 19:55:54,627 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 19:55:54,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 19:55:54,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 19:55:54,646 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 3 states. [2018-10-26 19:55:56,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:55:56,378 INFO L93 Difference]: Finished difference Result 531 states and 918 transitions. [2018-10-26 19:55:56,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 19:55:56,381 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 118 [2018-10-26 19:55:56,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:55:56,399 INFO L225 Difference]: With dead ends: 531 [2018-10-26 19:55:56,400 INFO L226 Difference]: Without dead ends: 328 [2018-10-26 19:55:56,404 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 19:55:56,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2018-10-26 19:55:56,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 328. [2018-10-26 19:55:56,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2018-10-26 19:55:56,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 533 transitions. [2018-10-26 19:55:56,471 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 533 transitions. Word has length 118 [2018-10-26 19:55:56,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:55:56,472 INFO L481 AbstractCegarLoop]: Abstraction has 328 states and 533 transitions. [2018-10-26 19:55:56,472 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 19:55:56,473 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 533 transitions. [2018-10-26 19:55:56,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-26 19:55:56,479 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:55:56,479 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-26 19:55:56,479 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:55:56,480 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:55:56,480 INFO L82 PathProgramCache]: Analyzing trace with hash 1899334816, now seen corresponding path program 1 times [2018-10-26 19:55:56,480 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:55:56,480 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:55:56,482 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:55:56,482 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:55:56,482 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:55:56,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:56,608 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:55:56,609 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:55:56,609 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 19:55:56,611 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 19:55:56,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 19:55:56,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:55:56,612 INFO L87 Difference]: Start difference. First operand 328 states and 533 transitions. Second operand 4 states. [2018-10-26 19:55:58,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:55:58,065 INFO L93 Difference]: Finished difference Result 918 states and 1534 transitions. [2018-10-26 19:55:58,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 19:55:58,065 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 124 [2018-10-26 19:55:58,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:55:58,070 INFO L225 Difference]: With dead ends: 918 [2018-10-26 19:55:58,070 INFO L226 Difference]: Without dead ends: 592 [2018-10-26 19:55:58,073 INFO L605 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 [2018-10-26 19:55:58,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2018-10-26 19:55:58,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 592. [2018-10-26 19:55:58,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2018-10-26 19:55:58,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 895 transitions. [2018-10-26 19:55:58,109 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 895 transitions. Word has length 124 [2018-10-26 19:55:58,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:55:58,110 INFO L481 AbstractCegarLoop]: Abstraction has 592 states and 895 transitions. [2018-10-26 19:55:58,110 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 19:55:58,110 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 895 transitions. [2018-10-26 19:55:58,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-26 19:55:58,116 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:55:58,117 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-26 19:55:58,117 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:55:58,117 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:55:58,118 INFO L82 PathProgramCache]: Analyzing trace with hash 1178527244, now seen corresponding path program 1 times [2018-10-26 19:55:58,118 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:55:58,118 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:55:58,119 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:55:58,119 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:55:58,119 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:55:58,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:58,299 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:55:58,300 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:55:58,300 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 19:55:58,301 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 19:55:58,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 19:55:58,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 19:55:58,302 INFO L87 Difference]: Start difference. First operand 592 states and 895 transitions. Second operand 3 states. [2018-10-26 19:55:59,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:55:59,150 INFO L93 Difference]: Finished difference Result 1314 states and 1999 transitions. [2018-10-26 19:55:59,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 19:55:59,155 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 132 [2018-10-26 19:55:59,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:55:59,162 INFO L225 Difference]: With dead ends: 1314 [2018-10-26 19:55:59,163 INFO L226 Difference]: Without dead ends: 724 [2018-10-26 19:55:59,165 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 19:55:59,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2018-10-26 19:55:59,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 724. [2018-10-26 19:55:59,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 724 states. [2018-10-26 19:55:59,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 1076 transitions. [2018-10-26 19:55:59,201 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 1076 transitions. Word has length 132 [2018-10-26 19:55:59,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:55:59,201 INFO L481 AbstractCegarLoop]: Abstraction has 724 states and 1076 transitions. [2018-10-26 19:55:59,201 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 19:55:59,202 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1076 transitions. [2018-10-26 19:55:59,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-26 19:55:59,206 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:55:59,206 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-26 19:55:59,206 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:55:59,207 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:55:59,207 INFO L82 PathProgramCache]: Analyzing trace with hash -1107841861, now seen corresponding path program 1 times [2018-10-26 19:55:59,207 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:55:59,207 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:55:59,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:55:59,208 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:55:59,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:55:59,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:59,462 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 19:55:59,462 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:55:59,462 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 19:55:59,463 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 19:55:59,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 19:55:59,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:55:59,464 INFO L87 Difference]: Start difference. First operand 724 states and 1076 transitions. Second operand 4 states. [2018-10-26 19:56:03,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:56:03,395 INFO L93 Difference]: Finished difference Result 2634 states and 3965 transitions. [2018-10-26 19:56:03,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 19:56:03,396 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 142 [2018-10-26 19:56:03,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:56:03,405 INFO L225 Difference]: With dead ends: 2634 [2018-10-26 19:56:03,405 INFO L226 Difference]: Without dead ends: 1912 [2018-10-26 19:56:03,407 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 19:56:03,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1912 states. [2018-10-26 19:56:03,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1912 to 1912. [2018-10-26 19:56:03,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1912 states. [2018-10-26 19:56:03,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1912 states to 1912 states and 2634 transitions. [2018-10-26 19:56:03,456 INFO L78 Accepts]: Start accepts. Automaton has 1912 states and 2634 transitions. Word has length 142 [2018-10-26 19:56:03,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:56:03,457 INFO L481 AbstractCegarLoop]: Abstraction has 1912 states and 2634 transitions. [2018-10-26 19:56:03,457 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 19:56:03,457 INFO L276 IsEmpty]: Start isEmpty. Operand 1912 states and 2634 transitions. [2018-10-26 19:56:03,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-10-26 19:56:03,465 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:56:03,466 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-26 19:56:03,466 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:56:03,466 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:56:03,467 INFO L82 PathProgramCache]: Analyzing trace with hash -312230900, now seen corresponding path program 1 times [2018-10-26 19:56:03,467 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:56:03,467 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:56:03,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:56:03,471 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:56:03,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:56:03,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:03,657 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 19:56:03,657 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:56:03,657 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 19:56:03,658 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 19:56:03,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 19:56:03,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:56:03,659 INFO L87 Difference]: Start difference. First operand 1912 states and 2634 transitions. Second operand 4 states. [2018-10-26 19:56:04,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:56:04,612 INFO L93 Difference]: Finished difference Result 4141 states and 5654 transitions. [2018-10-26 19:56:04,612 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-26 19:56:04,612 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2018-10-26 19:56:04,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:56:04,621 INFO L225 Difference]: With dead ends: 4141 [2018-10-26 19:56:04,622 INFO L226 Difference]: Without dead ends: 2231 [2018-10-26 19:56:04,625 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-26 19:56:04,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2231 states. [2018-10-26 19:56:04,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2231 to 2171. [2018-10-26 19:56:04,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2171 states. [2018-10-26 19:56:04,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2171 states to 2171 states and 2921 transitions. [2018-10-26 19:56:04,670 INFO L78 Accepts]: Start accepts. Automaton has 2171 states and 2921 transitions. Word has length 148 [2018-10-26 19:56:04,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:56:04,670 INFO L481 AbstractCegarLoop]: Abstraction has 2171 states and 2921 transitions. [2018-10-26 19:56:04,670 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 19:56:04,670 INFO L276 IsEmpty]: Start isEmpty. Operand 2171 states and 2921 transitions. [2018-10-26 19:56:04,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-10-26 19:56:04,675 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:56:04,675 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-26 19:56:04,676 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:56:04,676 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:56:04,676 INFO L82 PathProgramCache]: Analyzing trace with hash 1239856996, now seen corresponding path program 1 times [2018-10-26 19:56:04,676 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:56:04,677 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:56:04,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:56:04,678 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:56:04,678 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:56:04,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:04,902 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 19:56:04,902 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:56:04,903 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 19:56:04,903 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 19:56:04,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 19:56:04,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:56:04,904 INFO L87 Difference]: Start difference. First operand 2171 states and 2921 transitions. Second operand 4 states. [2018-10-26 19:56:06,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:56:06,028 INFO L93 Difference]: Finished difference Result 4340 states and 5840 transitions. [2018-10-26 19:56:06,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 19:56:06,029 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 153 [2018-10-26 19:56:06,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:56:06,039 INFO L225 Difference]: With dead ends: 4340 [2018-10-26 19:56:06,039 INFO L226 Difference]: Without dead ends: 2171 [2018-10-26 19:56:06,042 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 19:56:06,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2171 states. [2018-10-26 19:56:06,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2171 to 2171. [2018-10-26 19:56:06,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2171 states. [2018-10-26 19:56:06,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2171 states to 2171 states and 2897 transitions. [2018-10-26 19:56:06,080 INFO L78 Accepts]: Start accepts. Automaton has 2171 states and 2897 transitions. Word has length 153 [2018-10-26 19:56:06,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:56:06,080 INFO L481 AbstractCegarLoop]: Abstraction has 2171 states and 2897 transitions. [2018-10-26 19:56:06,080 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 19:56:06,080 INFO L276 IsEmpty]: Start isEmpty. Operand 2171 states and 2897 transitions. [2018-10-26 19:56:06,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-26 19:56:06,085 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:56:06,085 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-26 19:56:06,086 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:56:06,086 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:56:06,086 INFO L82 PathProgramCache]: Analyzing trace with hash -1288434272, now seen corresponding path program 1 times [2018-10-26 19:56:06,086 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:56:06,086 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:56:06,087 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:56:06,087 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:56:06,088 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:56:06,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:06,152 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 19:56:06,152 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:56:06,152 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 19:56:06,152 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 19:56:06,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 19:56:06,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 19:56:06,153 INFO L87 Difference]: Start difference. First operand 2171 states and 2897 transitions. Second operand 3 states. [2018-10-26 19:56:06,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:56:06,837 INFO L93 Difference]: Finished difference Result 5911 states and 7850 transitions. [2018-10-26 19:56:06,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 19:56:06,838 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 156 [2018-10-26 19:56:06,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:56:06,848 INFO L225 Difference]: With dead ends: 5911 [2018-10-26 19:56:06,848 INFO L226 Difference]: Without dead ends: 2548 [2018-10-26 19:56:06,852 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 19:56:06,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2548 states. [2018-10-26 19:56:06,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2548 to 2548. [2018-10-26 19:56:06,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2548 states. [2018-10-26 19:56:06,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2548 states to 2548 states and 2960 transitions. [2018-10-26 19:56:06,900 INFO L78 Accepts]: Start accepts. Automaton has 2548 states and 2960 transitions. Word has length 156 [2018-10-26 19:56:06,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:56:06,900 INFO L481 AbstractCegarLoop]: Abstraction has 2548 states and 2960 transitions. [2018-10-26 19:56:06,900 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 19:56:06,900 INFO L276 IsEmpty]: Start isEmpty. Operand 2548 states and 2960 transitions. [2018-10-26 19:56:06,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-10-26 19:56:06,907 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:56:06,907 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:56:06,907 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:56:06,908 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:56:06,908 INFO L82 PathProgramCache]: Analyzing trace with hash 455335989, now seen corresponding path program 1 times [2018-10-26 19:56:06,908 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:56:06,908 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:56:06,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:56:06,909 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:56:06,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:56:06,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:07,075 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:56:07,076 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:56:07,076 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 19:56:07,077 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 19:56:07,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 19:56:07,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-26 19:56:07,077 INFO L87 Difference]: Start difference. First operand 2548 states and 2960 transitions. Second operand 5 states. [2018-10-26 19:56:09,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:56:09,557 INFO L93 Difference]: Finished difference Result 7608 states and 8959 transitions. [2018-10-26 19:56:09,557 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-26 19:56:09,558 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 170 [2018-10-26 19:56:09,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:56:09,572 INFO L225 Difference]: With dead ends: 7608 [2018-10-26 19:56:09,573 INFO L226 Difference]: Without dead ends: 4662 [2018-10-26 19:56:09,576 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-26 19:56:09,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4662 states. [2018-10-26 19:56:09,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4662 to 3730. [2018-10-26 19:56:09,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3730 states. [2018-10-26 19:56:09,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3730 states to 3730 states and 4199 transitions. [2018-10-26 19:56:09,640 INFO L78 Accepts]: Start accepts. Automaton has 3730 states and 4199 transitions. Word has length 170 [2018-10-26 19:56:09,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:56:09,641 INFO L481 AbstractCegarLoop]: Abstraction has 3730 states and 4199 transitions. [2018-10-26 19:56:09,641 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 19:56:09,641 INFO L276 IsEmpty]: Start isEmpty. Operand 3730 states and 4199 transitions. [2018-10-26 19:56:09,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-10-26 19:56:09,649 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:56:09,649 INFO L375 BasicCegarLoop]: trace histogram [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, 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] [2018-10-26 19:56:09,649 INFO L424 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:56:09,650 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:56:09,650 INFO L82 PathProgramCache]: Analyzing trace with hash -558054453, now seen corresponding path program 1 times [2018-10-26 19:56:09,650 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:56:09,650 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:56:09,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:56:09,651 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:56:09,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:56:09,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:09,975 WARN L179 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-26 19:56:10,207 WARN L179 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-26 19:56:10,461 WARN L179 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-10-26 19:56:10,591 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 6 proven. 114 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-10-26 19:56:10,591 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 19:56:10,591 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 19:56:10,600 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:56:10,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:10,720 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:56:10,967 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-10-26 19:56:11,002 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 19:56:11,002 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2018-10-26 19:56:11,003 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 19:56:11,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 19:56:11,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-10-26 19:56:11,004 INFO L87 Difference]: Start difference. First operand 3730 states and 4199 transitions. Second operand 9 states. [2018-10-26 19:56:16,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:56:16,262 INFO L93 Difference]: Finished difference Result 7458 states and 8398 transitions. [2018-10-26 19:56:16,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-26 19:56:16,263 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 225 [2018-10-26 19:56:16,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:56:16,279 INFO L225 Difference]: With dead ends: 7458 [2018-10-26 19:56:16,279 INFO L226 Difference]: Without dead ends: 3862 [2018-10-26 19:56:16,283 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 227 SyntacticMatches, 4 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-10-26 19:56:16,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3862 states. [2018-10-26 19:56:16,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3862 to 3598. [2018-10-26 19:56:16,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3598 states. [2018-10-26 19:56:16,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3598 states to 3598 states and 3958 transitions. [2018-10-26 19:56:16,365 INFO L78 Accepts]: Start accepts. Automaton has 3598 states and 3958 transitions. Word has length 225 [2018-10-26 19:56:16,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:56:16,366 INFO L481 AbstractCegarLoop]: Abstraction has 3598 states and 3958 transitions. [2018-10-26 19:56:16,366 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 19:56:16,366 INFO L276 IsEmpty]: Start isEmpty. Operand 3598 states and 3958 transitions. [2018-10-26 19:56:16,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-10-26 19:56:16,376 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:56:16,377 INFO L375 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:56:16,377 INFO L424 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:56:16,377 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:56:16,378 INFO L82 PathProgramCache]: Analyzing trace with hash 1742034164, now seen corresponding path program 1 times [2018-10-26 19:56:16,378 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:56:16,378 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:56:16,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:56:16,379 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:56:16,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:56:16,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:16,793 WARN L179 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 8 [2018-10-26 19:56:17,066 WARN L179 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 8 [2018-10-26 19:56:17,435 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 181 proven. 27 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-10-26 19:56:17,436 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 19:56:17,436 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 19:56:17,447 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:56:17,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:17,539 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:56:17,618 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2018-10-26 19:56:17,640 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 19:56:17,641 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2018-10-26 19:56:17,641 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-26 19:56:17,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-26 19:56:17,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-10-26 19:56:17,642 INFO L87 Difference]: Start difference. First operand 3598 states and 3958 transitions. Second operand 8 states. [2018-10-26 19:56:19,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:56:19,655 INFO L93 Difference]: Finished difference Result 8519 states and 9415 transitions. [2018-10-26 19:56:19,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 19:56:19,658 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 265 [2018-10-26 19:56:19,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:56:19,658 INFO L225 Difference]: With dead ends: 8519 [2018-10-26 19:56:19,658 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 19:56:19,663 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 267 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2018-10-26 19:56:19,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 19:56:19,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 19:56:19,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 19:56:19,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 19:56:19,664 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 265 [2018-10-26 19:56:19,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:56:19,665 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 19:56:19,665 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-26 19:56:19,665 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 19:56:19,665 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 19:56:19,670 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 19:56:20,661 WARN L179 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2018-10-26 19:56:21,166 WARN L179 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2018-10-26 19:56:21,170 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-10-26 19:56:21,170 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-10-26 19:56:21,170 INFO L425 ceAbstractionStarter]: For program point L565(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,170 INFO L425 ceAbstractionStarter]: For program point L532(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,170 INFO L425 ceAbstractionStarter]: For program point L499(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,170 INFO L425 ceAbstractionStarter]: For program point L466(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,170 INFO L425 ceAbstractionStarter]: For program point L433(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,170 INFO L425 ceAbstractionStarter]: For program point L400(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,171 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-10-26 19:56:21,171 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-10-26 19:56:21,171 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-10-26 19:56:21,171 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-10-26 19:56:21,171 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-10-26 19:56:21,171 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-10-26 19:56:21,171 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-10-26 19:56:21,171 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-10-26 19:56:21,171 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-10-26 19:56:21,171 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-10-26 19:56:21,171 INFO L425 ceAbstractionStarter]: For program point L568(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,171 INFO L425 ceAbstractionStarter]: For program point L535(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,172 INFO L425 ceAbstractionStarter]: For program point L502(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,172 INFO L425 ceAbstractionStarter]: For program point L469(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,172 INFO L425 ceAbstractionStarter]: For program point L436(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,172 INFO L425 ceAbstractionStarter]: For program point L403(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,172 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-10-26 19:56:21,172 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-10-26 19:56:21,172 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-10-26 19:56:21,172 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-10-26 19:56:21,173 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-10-26 19:56:21,173 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-10-26 19:56:21,173 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-10-26 19:56:21,173 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-10-26 19:56:21,173 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-10-26 19:56:21,173 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-10-26 19:56:21,173 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 527) no Hoare annotation was computed. [2018-10-26 19:56:21,173 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-10-26 19:56:21,174 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-10-26 19:56:21,174 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-10-26 19:56:21,174 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-10-26 19:56:21,174 INFO L425 ceAbstractionStarter]: For program point L571(lines 571 573) no Hoare annotation was computed. [2018-10-26 19:56:21,174 INFO L425 ceAbstractionStarter]: For program point L538(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,174 INFO L425 ceAbstractionStarter]: For program point L505(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,174 INFO L425 ceAbstractionStarter]: For program point L472(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,174 INFO L425 ceAbstractionStarter]: For program point L439(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,175 INFO L425 ceAbstractionStarter]: For program point L406(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,175 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-10-26 19:56:21,175 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-10-26 19:56:21,175 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-10-26 19:56:21,175 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-10-26 19:56:21,175 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-10-26 19:56:21,175 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-10-26 19:56:21,175 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-10-26 19:56:21,175 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-10-26 19:56:21,176 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-10-26 19:56:21,176 INFO L421 ceAbstractionStarter]: At program point L574(lines 30 575) the Hoare annotation is: (let ((.cse5 (= ~a16~0 4)) (.cse2 (= ~a21~0 1)) (.cse7 (= ~a16~0 5)) (.cse6 (= ~a8~0 15)) (.cse1 (= ~a17~0 1)) (.cse0 (= ~a7~0 1)) (.cse3 (= ~a20~0 1)) (.cse4 (not (= 5 ~a16~0)))) (or (and .cse0 .cse1 .cse2) (and .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1) (and .cse6 .cse2) (and .cse5 .cse2) (and (and .cse0 .cse3) .cse5) (and .cse0 .cse6 .cse7) (and (<= 14 ~a8~0) .cse2 .cse7) (and .cse0 .cse1 .cse3 .cse7) (and .cse0 .cse6 .cse3 (not .cse1)) (and .cse0 (<= ~a17~0 0) .cse3 .cse4))) [2018-10-26 19:56:21,176 INFO L425 ceAbstractionStarter]: For program point L541(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,176 INFO L425 ceAbstractionStarter]: For program point L508(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,177 INFO L425 ceAbstractionStarter]: For program point L475(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,177 INFO L425 ceAbstractionStarter]: For program point L442(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,177 INFO L425 ceAbstractionStarter]: For program point L409(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,177 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-10-26 19:56:21,177 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-10-26 19:56:21,177 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-10-26 19:56:21,177 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-10-26 19:56:21,177 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-10-26 19:56:21,178 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-10-26 19:56:21,178 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-10-26 19:56:21,178 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-10-26 19:56:21,178 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-10-26 19:56:21,178 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-10-26 19:56:21,178 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-10-26 19:56:21,178 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-10-26 19:56:21,178 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-10-26 19:56:21,178 INFO L428 ceAbstractionStarter]: At program point L577(lines 577 594) the Hoare annotation is: true [2018-10-26 19:56:21,178 INFO L425 ceAbstractionStarter]: For program point L544(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,179 INFO L425 ceAbstractionStarter]: For program point L511(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,179 INFO L425 ceAbstractionStarter]: For program point L478(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,179 INFO L425 ceAbstractionStarter]: For program point L445(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,179 INFO L425 ceAbstractionStarter]: For program point L412(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,179 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-10-26 19:56:21,179 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-10-26 19:56:21,179 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-10-26 19:56:21,179 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-10-26 19:56:21,179 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-10-26 19:56:21,179 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-10-26 19:56:21,179 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-10-26 19:56:21,179 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-10-26 19:56:21,179 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-10-26 19:56:21,180 INFO L425 ceAbstractionStarter]: For program point L547(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,180 INFO L425 ceAbstractionStarter]: For program point L514(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,180 INFO L425 ceAbstractionStarter]: For program point L481(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,180 INFO L425 ceAbstractionStarter]: For program point L448(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,180 INFO L425 ceAbstractionStarter]: For program point L415(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,180 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-10-26 19:56:21,180 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-10-26 19:56:21,180 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-10-26 19:56:21,180 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-10-26 19:56:21,180 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-10-26 19:56:21,180 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-10-26 19:56:21,180 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-10-26 19:56:21,180 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-10-26 19:56:21,181 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-10-26 19:56:21,181 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-10-26 19:56:21,181 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-10-26 19:56:21,181 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-10-26 19:56:21,181 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-10-26 19:56:21,181 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-10-26 19:56:21,181 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-10-26 19:56:21,181 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-10-26 19:56:21,181 INFO L425 ceAbstractionStarter]: For program point L550(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,181 INFO L425 ceAbstractionStarter]: For program point L517(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,181 INFO L425 ceAbstractionStarter]: For program point L484(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,182 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse5 (= ~a16~0 4)) (.cse2 (= ~a21~0 1)) (.cse7 (= ~a16~0 5)) (.cse6 (= ~a8~0 15)) (.cse1 (= ~a17~0 1)) (.cse0 (= ~a7~0 1)) (.cse3 (= ~a20~0 1)) (.cse4 (not (= 5 ~a16~0)))) (or (and .cse0 .cse1 .cse2) (and .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1) (and .cse6 .cse2) (and .cse5 .cse2) (and (and .cse0 .cse3) .cse5) (and .cse0 .cse6 .cse7) (and (<= 14 ~a8~0) .cse2 .cse7) (and .cse0 .cse1 .cse3 .cse7) (and .cse0 .cse6 .cse3 (not .cse1)) (and .cse0 (<= ~a17~0 0) .cse3 .cse4))) [2018-10-26 19:56:21,182 INFO L425 ceAbstractionStarter]: For program point L451(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,182 INFO L425 ceAbstractionStarter]: For program point L418(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,182 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-10-26 19:56:21,182 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-10-26 19:56:21,182 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-10-26 19:56:21,182 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-10-26 19:56:21,182 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-10-26 19:56:21,182 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-10-26 19:56:21,182 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-10-26 19:56:21,183 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-10-26 19:56:21,183 INFO L425 ceAbstractionStarter]: For program point L553(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,183 INFO L425 ceAbstractionStarter]: For program point L520(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,183 INFO L425 ceAbstractionStarter]: For program point L487(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,183 INFO L425 ceAbstractionStarter]: For program point L454(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,183 INFO L425 ceAbstractionStarter]: For program point L421(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,183 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-10-26 19:56:21,183 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 19:56:21,184 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-10-26 19:56:21,184 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-10-26 19:56:21,184 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-10-26 19:56:21,184 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-10-26 19:56:21,184 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-10-26 19:56:21,184 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-10-26 19:56:21,184 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-10-26 19:56:21,184 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-10-26 19:56:21,184 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-10-26 19:56:21,184 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-10-26 19:56:21,184 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-10-26 19:56:21,185 INFO L425 ceAbstractionStarter]: For program point L556(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,185 INFO L425 ceAbstractionStarter]: For program point L523(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,185 INFO L425 ceAbstractionStarter]: For program point L490(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,185 INFO L425 ceAbstractionStarter]: For program point L457(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,185 INFO L425 ceAbstractionStarter]: For program point L424(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,185 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-10-26 19:56:21,185 INFO L425 ceAbstractionStarter]: For program point L391-1(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,185 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-10-26 19:56:21,185 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-10-26 19:56:21,185 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 19:56:21,185 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-10-26 19:56:21,185 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-10-26 19:56:21,185 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-10-26 19:56:21,185 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-10-26 19:56:21,186 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-10-26 19:56:21,186 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-10-26 19:56:21,186 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-10-26 19:56:21,186 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-10-26 19:56:21,186 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-10-26 19:56:21,186 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-10-26 19:56:21,186 INFO L425 ceAbstractionStarter]: For program point L559(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,186 INFO L425 ceAbstractionStarter]: For program point L493(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,186 INFO L425 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,186 INFO L425 ceAbstractionStarter]: For program point L460(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,186 INFO L425 ceAbstractionStarter]: For program point L427(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,186 INFO L425 ceAbstractionStarter]: For program point L394(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,186 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-10-26 19:56:21,186 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-10-26 19:56:21,187 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-10-26 19:56:21,187 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-10-26 19:56:21,187 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-10-26 19:56:21,187 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-10-26 19:56:21,187 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-10-26 19:56:21,187 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-10-26 19:56:21,187 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-10-26 19:56:21,187 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-10-26 19:56:21,187 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-10-26 19:56:21,187 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-10-26 19:56:21,187 INFO L425 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-10-26 19:56:21,187 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-10-26 19:56:21,187 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-10-26 19:56:21,187 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-10-26 19:56:21,188 INFO L425 ceAbstractionStarter]: For program point L562(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,188 INFO L425 ceAbstractionStarter]: For program point L529(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,188 INFO L425 ceAbstractionStarter]: For program point L496(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,188 INFO L425 ceAbstractionStarter]: For program point L463(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,188 INFO L425 ceAbstractionStarter]: For program point L430(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,188 INFO L425 ceAbstractionStarter]: For program point L397(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:21,188 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-10-26 19:56:21,188 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-10-26 19:56:21,188 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-10-26 19:56:21,188 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-10-26 19:56:21,188 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-10-26 19:56:21,188 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-10-26 19:56:21,188 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-10-26 19:56:21,188 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-10-26 19:56:21,189 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-10-26 19:56:21,189 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-10-26 19:56:21,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 07:56:21 BoogieIcfgContainer [2018-10-26 19:56:21,211 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 19:56:21,212 INFO L168 Benchmark]: Toolchain (without parser) took 31539.89 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.1 GB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -657.7 MB). Peak memory consumption was 437.0 MB. Max. memory is 7.1 GB. [2018-10-26 19:56:21,213 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 19:56:21,214 INFO L168 Benchmark]: CACSL2BoogieTranslator took 722.51 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-10-26 19:56:21,214 INFO L168 Benchmark]: Boogie Procedure Inliner took 176.75 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 742.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -826.2 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. [2018-10-26 19:56:21,215 INFO L168 Benchmark]: Boogie Preprocessor took 75.49 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-26 19:56:21,216 INFO L168 Benchmark]: RCFGBuilder took 3242.48 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 117.9 MB). Peak memory consumption was 117.9 MB. Max. memory is 7.1 GB. [2018-10-26 19:56:21,217 INFO L168 Benchmark]: TraceAbstraction took 27309.95 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 352.3 MB). Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 8.3 MB). Peak memory consumption was 360.6 MB. Max. memory is 7.1 GB. [2018-10-26 19:56:21,222 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 722.51 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 176.75 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 742.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -826.2 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 75.49 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3242.48 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 117.9 MB). Peak memory consumption was 117.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 27309.95 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 352.3 MB). Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 8.3 MB). Peak memory consumption was 360.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 527]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((((((((a7 == 1 && a17 == 1) && a21 == 1) || (((a17 == 1 && a21 == 1) && a20 == 1) && !(5 == a16))) || ((a7 == 1 && a16 == 4) && a17 == 1)) || (a8 == 15 && a21 == 1)) || (a16 == 4 && a21 == 1)) || ((a7 == 1 && a20 == 1) && a16 == 4)) || ((a7 == 1 && a8 == 15) && a16 == 5)) || ((14 <= a8 && a21 == 1) && a16 == 5)) || (((a7 == 1 && a17 == 1) && a20 == 1) && a16 == 5)) || (((a7 == 1 && a8 == 15) && a20 == 1) && !(a17 == 1))) || (((a7 == 1 && a17 <= 0) && a20 == 1) && !(5 == a16)) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((((((((a7 == 1 && a17 == 1) && a21 == 1) || (((a17 == 1 && a21 == 1) && a20 == 1) && !(5 == a16))) || ((a7 == 1 && a16 == 4) && a17 == 1)) || (a8 == 15 && a21 == 1)) || (a16 == 4 && a21 == 1)) || ((a7 == 1 && a20 == 1) && a16 == 4)) || ((a7 == 1 && a8 == 15) && a16 == 5)) || ((14 <= a8 && a21 == 1) && a16 == 5)) || (((a7 == 1 && a17 == 1) && a20 == 1) && a16 == 5)) || (((a7 == 1 && a8 == 15) && a20 == 1) && !(a17 == 1))) || (((a7 == 1 && a17 <= 0) && a20 == 1) && !(5 == a16)) - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 199 locations, 1 error locations. SAFE Result, 27.2s OverallTime, 10 OverallIterations, 5 TraceHistogramMax, 20.6s AutomataDifference, 0.0s DeadEndRemovalTime, 1.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 1348 SDtfs, 4310 SDslu, 781 SDs, 0 SdLazy, 9073 SolverSat, 1445 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 541 GetRequests, 503 SyntacticMatches, 5 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3730occurred in iteration=8, 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: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 1256 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 111 NumberOfFragments, 243 HoareAnnotationTreeSize, 3 FomulaSimplifications, 3364 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 218 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 2123 NumberOfCodeBlocks, 2123 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2111 ConstructedInterpolants, 0 QuantifiedInterpolants, 905488 SizeOfPredicates, 2 NumberOfNonLiveVariables, 808 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 1012/1153 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...