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/Problem14_label07_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 16:28:28,972 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 16:28:28,974 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 16:28:28,991 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 16:28:28,991 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 16:28:28,993 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 16:28:28,996 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 16:28:28,998 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 16:28:29,000 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 16:28:29,001 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 16:28:29,002 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 16:28:29,002 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 16:28:29,003 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 16:28:29,004 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 16:28:29,005 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 16:28:29,006 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 16:28:29,007 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 16:28:29,009 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 16:28:29,011 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 16:28:29,012 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 16:28:29,013 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 16:28:29,015 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 16:28:29,017 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 16:28:29,017 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 16:28:29,018 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 16:28:29,019 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 16:28:29,019 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 16:28:29,020 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 16:28:29,021 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 16:28:29,022 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 16:28:29,022 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 16:28:29,023 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-24 16:28:29,026 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 [2018-10-24 16:28:29,041 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 16:28:29,041 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 16:28:29,042 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 16:28:29,042 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-24 16:28:29,043 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-24 16:28:29,043 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-24 16:28:29,043 INFO L133 SettingsManager]: * Use SBE=true [2018-10-24 16:28:29,043 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 16:28:29,044 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 16:28:29,044 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 16:28:29,044 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 16:28:29,044 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 16:28:29,044 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 16:28:29,045 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 16:28:29,045 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 16:28:29,048 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 16:28:29,048 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 16:28:29,048 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 16:28:29,048 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 16:28:29,049 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 16:28:29,049 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 16:28:29,049 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 16:28:29,049 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 16:28:29,049 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-24 16:28:29,049 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 16:28:29,050 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 16:28:29,050 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 16:28:29,050 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 16:28:29,101 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 16:28:29,114 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 16:28:29,117 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 16:28:29,119 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 16:28:29,120 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 16:28:29,120 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label07_true-unreach-call_false-termination.c [2018-10-24 16:28:29,180 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/71194f65f/e4f10c1a866449e285ae3d772438ce2b/FLAG111e1bce2 [2018-10-24 16:28:29,821 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 16:28:29,821 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label07_true-unreach-call_false-termination.c [2018-10-24 16:28:29,852 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/71194f65f/e4f10c1a866449e285ae3d772438ce2b/FLAG111e1bce2 [2018-10-24 16:28:29,868 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/71194f65f/e4f10c1a866449e285ae3d772438ce2b [2018-10-24 16:28:29,880 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 16:28:29,881 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 16:28:29,882 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 16:28:29,883 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 16:28:29,887 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 16:28:29,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:28:29" (1/1) ... [2018-10-24 16:28:29,891 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63bfd507 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:28:29, skipping insertion in model container [2018-10-24 16:28:29,891 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:28:29" (1/1) ... [2018-10-24 16:28:29,902 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 16:28:29,983 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 16:28:30,486 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 16:28:30,491 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 16:28:30,687 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 16:28:30,707 INFO L193 MainTranslator]: Completed translation [2018-10-24 16:28:30,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:28:30 WrapperNode [2018-10-24 16:28:30,708 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 16:28:30,710 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 16:28:30,710 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 16:28:30,710 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 16:28:30,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:28:30" (1/1) ... [2018-10-24 16:28:30,752 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:28:30" (1/1) ... [2018-10-24 16:28:30,947 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 16:28:30,947 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 16:28:30,948 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 16:28:30,948 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 16:28:30,958 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:28:30" (1/1) ... [2018-10-24 16:28:30,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:28:30" (1/1) ... [2018-10-24 16:28:30,965 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:28:30" (1/1) ... [2018-10-24 16:28:30,965 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:28:30" (1/1) ... [2018-10-24 16:28:30,994 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:28:30" (1/1) ... [2018-10-24 16:28:31,009 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:28:30" (1/1) ... [2018-10-24 16:28:31,016 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:28:30" (1/1) ... [2018-10-24 16:28:31,031 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 16:28:31,032 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 16:28:31,032 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 16:28:31,032 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 16:28:31,034 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:28:30" (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 [2018-10-24 16:28:31,098 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-24 16:28:31,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 16:28:31,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 16:28:34,581 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 16:28:34,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:28:34 BoogieIcfgContainer [2018-10-24 16:28:34,582 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 16:28:34,583 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 16:28:34,583 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 16:28:34,587 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 16:28:34,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 04:28:29" (1/3) ... [2018-10-24 16:28:34,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@212ad5a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:28:34, skipping insertion in model container [2018-10-24 16:28:34,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:28:30" (2/3) ... [2018-10-24 16:28:34,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@212ad5a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:28:34, skipping insertion in model container [2018-10-24 16:28:34,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:28:34" (3/3) ... [2018-10-24 16:28:34,591 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label07_true-unreach-call_false-termination.c [2018-10-24 16:28:34,601 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 16:28:34,614 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 16:28:34,632 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 16:28:34,679 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-24 16:28:34,680 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 16:28:34,680 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 16:28:34,680 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 16:28:34,681 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 16:28:34,681 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 16:28:34,681 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 16:28:34,681 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 16:28:34,681 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 16:28:34,704 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states. [2018-10-24 16:28:34,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-24 16:28:34,713 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:28:34,714 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] [2018-10-24 16:28:34,717 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:28:34,723 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:28:34,723 INFO L82 PathProgramCache]: Analyzing trace with hash -1660793902, now seen corresponding path program 1 times [2018-10-24 16:28:34,725 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:28:34,726 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:28:34,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:28:34,781 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:28:34,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:28:34,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:28:35,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:28:35,135 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:28:35,135 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 16:28:35,142 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:28:35,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:28:35,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:28:35,161 INFO L87 Difference]: Start difference. First operand 246 states. Second operand 4 states. [2018-10-24 16:28:38,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:28:38,397 INFO L93 Difference]: Finished difference Result 870 states and 1578 transitions. [2018-10-24 16:28:38,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:28:38,399 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 48 [2018-10-24 16:28:38,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:28:38,423 INFO L225 Difference]: With dead ends: 870 [2018-10-24 16:28:38,423 INFO L226 Difference]: Without dead ends: 617 [2018-10-24 16:28:38,429 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 [2018-10-24 16:28:38,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2018-10-24 16:28:38,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 422. [2018-10-24 16:28:38,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2018-10-24 16:28:38,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 648 transitions. [2018-10-24 16:28:38,527 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 648 transitions. Word has length 48 [2018-10-24 16:28:38,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:28:38,528 INFO L481 AbstractCegarLoop]: Abstraction has 422 states and 648 transitions. [2018-10-24 16:28:38,528 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:28:38,528 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 648 transitions. [2018-10-24 16:28:38,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-10-24 16:28:38,534 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:28:38,534 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:28:38,535 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:28:38,535 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:28:38,535 INFO L82 PathProgramCache]: Analyzing trace with hash -1983347323, now seen corresponding path program 1 times [2018-10-24 16:28:38,535 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:28:38,535 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:28:38,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:28:38,537 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:28:38,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:28:38,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:28:39,055 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:28:39,055 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:28:39,056 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 16:28:39,057 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 16:28:39,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 16:28:39,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-24 16:28:39,058 INFO L87 Difference]: Start difference. First operand 422 states and 648 transitions. Second operand 6 states. [2018-10-24 16:28:42,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:28:42,852 INFO L93 Difference]: Finished difference Result 1918 states and 2928 transitions. [2018-10-24 16:28:42,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-24 16:28:42,853 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 128 [2018-10-24 16:28:42,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:28:42,863 INFO L225 Difference]: With dead ends: 1918 [2018-10-24 16:28:42,863 INFO L226 Difference]: Without dead ends: 1498 [2018-10-24 16:28:42,867 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2018-10-24 16:28:42,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1498 states. [2018-10-24 16:28:42,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1498 to 1138. [2018-10-24 16:28:42,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1138 states. [2018-10-24 16:28:42,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 1138 states and 1555 transitions. [2018-10-24 16:28:42,914 INFO L78 Accepts]: Start accepts. Automaton has 1138 states and 1555 transitions. Word has length 128 [2018-10-24 16:28:42,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:28:42,915 INFO L481 AbstractCegarLoop]: Abstraction has 1138 states and 1555 transitions. [2018-10-24 16:28:42,915 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 16:28:42,915 INFO L276 IsEmpty]: Start isEmpty. Operand 1138 states and 1555 transitions. [2018-10-24 16:28:42,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-10-24 16:28:42,922 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:28:42,923 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-24 16:28:42,923 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:28:42,923 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:28:42,923 INFO L82 PathProgramCache]: Analyzing trace with hash -1869261591, now seen corresponding path program 1 times [2018-10-24 16:28:42,924 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:28:42,924 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:28:42,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:28:42,925 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:28:42,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:28:42,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:28:43,110 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-10-24 16:28:43,111 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:28:43,111 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 16:28:43,112 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:28:43,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:28:43,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:28:43,112 INFO L87 Difference]: Start difference. First operand 1138 states and 1555 transitions. Second operand 4 states. [2018-10-24 16:28:46,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:28:46,563 INFO L93 Difference]: Finished difference Result 3527 states and 5049 transitions. [2018-10-24 16:28:46,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:28:46,564 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 224 [2018-10-24 16:28:46,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:28:46,577 INFO L225 Difference]: With dead ends: 3527 [2018-10-24 16:28:46,578 INFO L226 Difference]: Without dead ends: 2391 [2018-10-24 16:28:46,580 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 [2018-10-24 16:28:46,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2391 states. [2018-10-24 16:28:46,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2391 to 2391. [2018-10-24 16:28:46,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2391 states. [2018-10-24 16:28:46,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2391 states to 2391 states and 3166 transitions. [2018-10-24 16:28:46,629 INFO L78 Accepts]: Start accepts. Automaton has 2391 states and 3166 transitions. Word has length 224 [2018-10-24 16:28:46,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:28:46,630 INFO L481 AbstractCegarLoop]: Abstraction has 2391 states and 3166 transitions. [2018-10-24 16:28:46,630 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:28:46,630 INFO L276 IsEmpty]: Start isEmpty. Operand 2391 states and 3166 transitions. [2018-10-24 16:28:46,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-10-24 16:28:46,637 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:28:46,637 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 16:28:46,637 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:28:46,637 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:28:46,638 INFO L82 PathProgramCache]: Analyzing trace with hash 586512812, now seen corresponding path program 1 times [2018-10-24 16:28:46,638 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:28:46,638 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:28:46,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:28:46,639 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:28:46,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:28:46,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:28:47,081 WARN L179 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 9 [2018-10-24 16:28:47,324 WARN L179 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 15 [2018-10-24 16:28:47,409 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 150 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-24 16:28:47,410 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 16:28:47,410 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 [2018-10-24 16:28:47,422 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:28:47,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:28:47,518 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 16:28:47,775 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-24 16:28:47,810 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 16:28:47,810 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2018-10-24 16:28:47,811 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 16:28:47,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 16:28:47,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-10-24 16:28:47,812 INFO L87 Difference]: Start difference. First operand 2391 states and 3166 transitions. Second operand 6 states. [2018-10-24 16:28:48,527 WARN L179 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 15 [2018-10-24 16:28:54,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:28:54,665 INFO L93 Difference]: Finished difference Result 6407 states and 8224 transitions. [2018-10-24 16:28:54,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 16:28:54,666 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 238 [2018-10-24 16:28:54,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:28:54,682 INFO L225 Difference]: With dead ends: 6407 [2018-10-24 16:28:54,683 INFO L226 Difference]: Without dead ends: 3837 [2018-10-24 16:28:54,687 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 237 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2018-10-24 16:28:54,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3837 states. [2018-10-24 16:28:54,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3837 to 2569. [2018-10-24 16:28:54,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2569 states. [2018-10-24 16:28:54,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 2998 transitions. [2018-10-24 16:28:54,743 INFO L78 Accepts]: Start accepts. Automaton has 2569 states and 2998 transitions. Word has length 238 [2018-10-24 16:28:54,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:28:54,743 INFO L481 AbstractCegarLoop]: Abstraction has 2569 states and 2998 transitions. [2018-10-24 16:28:54,743 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 16:28:54,743 INFO L276 IsEmpty]: Start isEmpty. Operand 2569 states and 2998 transitions. [2018-10-24 16:28:54,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-10-24 16:28:54,749 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:28:54,749 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 16:28:54,749 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:28:54,750 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:28:54,750 INFO L82 PathProgramCache]: Analyzing trace with hash 613355324, now seen corresponding path program 1 times [2018-10-24 16:28:54,750 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:28:54,750 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:28:54,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:28:54,751 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:28:54,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:28:54,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:28:55,220 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2018-10-24 16:28:55,220 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:28:55,220 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 16:28:55,221 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:28:55,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:28:55,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:28:55,222 INFO L87 Difference]: Start difference. First operand 2569 states and 2998 transitions. Second operand 4 states. [2018-10-24 16:28:57,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:28:57,152 INFO L93 Difference]: Finished difference Result 7105 states and 8535 transitions. [2018-10-24 16:28:57,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:28:57,153 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 331 [2018-10-24 16:28:57,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:28:57,176 INFO L225 Difference]: With dead ends: 7105 [2018-10-24 16:28:57,177 INFO L226 Difference]: Without dead ends: 4717 [2018-10-24 16:28:57,181 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:28:57,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4717 states. [2018-10-24 16:28:57,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4717 to 4717. [2018-10-24 16:28:57,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4717 states. [2018-10-24 16:28:57,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4717 states to 4717 states and 5447 transitions. [2018-10-24 16:28:57,258 INFO L78 Accepts]: Start accepts. Automaton has 4717 states and 5447 transitions. Word has length 331 [2018-10-24 16:28:57,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:28:57,258 INFO L481 AbstractCegarLoop]: Abstraction has 4717 states and 5447 transitions. [2018-10-24 16:28:57,259 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:28:57,259 INFO L276 IsEmpty]: Start isEmpty. Operand 4717 states and 5447 transitions. [2018-10-24 16:28:57,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 441 [2018-10-24 16:28:57,268 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:28:57,269 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:28:57,269 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:28:57,269 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:28:57,270 INFO L82 PathProgramCache]: Analyzing trace with hash -1074191665, now seen corresponding path program 1 times [2018-10-24 16:28:57,270 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:28:57,270 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:28:57,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:28:57,271 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:28:57,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:28:57,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:28:57,951 INFO L134 CoverageAnalysis]: Checked inductivity of 709 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2018-10-24 16:28:57,952 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:28:57,952 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 16:28:57,953 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 16:28:57,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 16:28:57,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 16:28:57,954 INFO L87 Difference]: Start difference. First operand 4717 states and 5447 transitions. Second operand 3 states. [2018-10-24 16:29:00,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:29:00,037 INFO L93 Difference]: Finished difference Result 9969 states and 11609 transitions. [2018-10-24 16:29:00,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 16:29:00,038 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 440 [2018-10-24 16:29:00,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:29:00,060 INFO L225 Difference]: With dead ends: 9969 [2018-10-24 16:29:00,060 INFO L226 Difference]: Without dead ends: 5433 [2018-10-24 16:29:00,066 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 16:29:00,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5433 states. [2018-10-24 16:29:00,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5433 to 5254. [2018-10-24 16:29:00,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5254 states. [2018-10-24 16:29:00,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5254 states to 5254 states and 6088 transitions. [2018-10-24 16:29:00,146 INFO L78 Accepts]: Start accepts. Automaton has 5254 states and 6088 transitions. Word has length 440 [2018-10-24 16:29:00,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:29:00,147 INFO L481 AbstractCegarLoop]: Abstraction has 5254 states and 6088 transitions. [2018-10-24 16:29:00,147 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 16:29:00,147 INFO L276 IsEmpty]: Start isEmpty. Operand 5254 states and 6088 transitions. [2018-10-24 16:29:00,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 589 [2018-10-24 16:29:00,167 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:29:00,168 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-10-24 16:29:00,168 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:29:00,168 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:29:00,169 INFO L82 PathProgramCache]: Analyzing trace with hash -1952228200, now seen corresponding path program 1 times [2018-10-24 16:29:00,169 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:29:00,169 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:29:00,170 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:29:00,170 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:29:00,170 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:29:00,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:29:00,793 INFO L134 CoverageAnalysis]: Checked inductivity of 1146 backedges. 798 proven. 0 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2018-10-24 16:29:00,793 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:29:00,793 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 16:29:00,794 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-24 16:29:00,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-24 16:29:00,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-10-24 16:29:00,795 INFO L87 Difference]: Start difference. First operand 5254 states and 6088 transitions. Second operand 7 states. [2018-10-24 16:29:02,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:29:02,750 INFO L93 Difference]: Finished difference Result 10741 states and 12461 transitions. [2018-10-24 16:29:02,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 16:29:02,751 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 588 [2018-10-24 16:29:02,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:29:02,767 INFO L225 Difference]: With dead ends: 10741 [2018-10-24 16:29:02,767 INFO L226 Difference]: Without dead ends: 5072 [2018-10-24 16:29:02,774 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-10-24 16:29:02,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5072 states. [2018-10-24 16:29:02,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5072 to 5072. [2018-10-24 16:29:02,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5072 states. [2018-10-24 16:29:02,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5072 states to 5072 states and 5793 transitions. [2018-10-24 16:29:02,854 INFO L78 Accepts]: Start accepts. Automaton has 5072 states and 5793 transitions. Word has length 588 [2018-10-24 16:29:02,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:29:02,855 INFO L481 AbstractCegarLoop]: Abstraction has 5072 states and 5793 transitions. [2018-10-24 16:29:02,855 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-24 16:29:02,855 INFO L276 IsEmpty]: Start isEmpty. Operand 5072 states and 5793 transitions. [2018-10-24 16:29:02,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 686 [2018-10-24 16:29:02,867 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:29:02,867 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:29:02,868 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:29:02,868 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:29:02,868 INFO L82 PathProgramCache]: Analyzing trace with hash 65993565, now seen corresponding path program 1 times [2018-10-24 16:29:02,868 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:29:02,868 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:29:02,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:29:02,869 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:29:02,870 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:29:02,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:29:03,235 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-24 16:29:03,417 WARN L179 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 12 [2018-10-24 16:29:03,994 INFO L134 CoverageAnalysis]: Checked inductivity of 1258 backedges. 774 proven. 46 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2018-10-24 16:29:03,994 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 16:29:03,994 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 [2018-10-24 16:29:04,001 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:29:04,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:29:04,218 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 16:29:04,794 INFO L134 CoverageAnalysis]: Checked inductivity of 1258 backedges. 797 proven. 23 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2018-10-24 16:29:04,815 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-24 16:29:04,816 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 8 [2018-10-24 16:29:04,817 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-24 16:29:04,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-24 16:29:04,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2018-10-24 16:29:04,818 INFO L87 Difference]: Start difference. First operand 5072 states and 5793 transitions. Second operand 9 states. [2018-10-24 16:29:11,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:29:11,016 INFO L93 Difference]: Finished difference Result 10230 states and 11675 transitions. [2018-10-24 16:29:11,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-24 16:29:11,020 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 685 [2018-10-24 16:29:11,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:29:11,040 INFO L225 Difference]: With dead ends: 10230 [2018-10-24 16:29:11,040 INFO L226 Difference]: Without dead ends: 5159 [2018-10-24 16:29:11,046 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 694 GetRequests, 683 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2018-10-24 16:29:11,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5159 states. [2018-10-24 16:29:11,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5159 to 4892. [2018-10-24 16:29:11,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4892 states. [2018-10-24 16:29:11,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4892 states to 4892 states and 5585 transitions. [2018-10-24 16:29:11,164 INFO L78 Accepts]: Start accepts. Automaton has 4892 states and 5585 transitions. Word has length 685 [2018-10-24 16:29:11,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:29:11,164 INFO L481 AbstractCegarLoop]: Abstraction has 4892 states and 5585 transitions. [2018-10-24 16:29:11,165 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-24 16:29:11,165 INFO L276 IsEmpty]: Start isEmpty. Operand 4892 states and 5585 transitions. [2018-10-24 16:29:11,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 792 [2018-10-24 16:29:11,177 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:29:11,178 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:29:11,178 INFO L424 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:29:11,178 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:29:11,179 INFO L82 PathProgramCache]: Analyzing trace with hash -715870865, now seen corresponding path program 1 times [2018-10-24 16:29:11,179 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:29:11,179 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:29:11,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:29:11,180 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:29:11,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:29:11,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:29:11,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1803 backedges. 1260 proven. 0 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2018-10-24 16:29:11,733 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:29:11,733 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 16:29:11,734 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:29:11,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:29:11,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:29:11,734 INFO L87 Difference]: Start difference. First operand 4892 states and 5585 transitions. Second operand 4 states. [2018-10-24 16:29:13,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:29:13,010 INFO L93 Difference]: Finished difference Result 12109 states and 14006 transitions. [2018-10-24 16:29:13,010 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:29:13,010 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 791 [2018-10-24 16:29:13,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:29:13,024 INFO L225 Difference]: With dead ends: 12109 [2018-10-24 16:29:13,024 INFO L226 Difference]: Without dead ends: 7398 [2018-10-24 16:29:13,030 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:29:13,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7398 states. [2018-10-24 16:29:13,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7398 to 7398. [2018-10-24 16:29:13,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7398 states. [2018-10-24 16:29:13,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7398 states to 7398 states and 8235 transitions. [2018-10-24 16:29:13,126 INFO L78 Accepts]: Start accepts. Automaton has 7398 states and 8235 transitions. Word has length 791 [2018-10-24 16:29:13,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:29:13,127 INFO L481 AbstractCegarLoop]: Abstraction has 7398 states and 8235 transitions. [2018-10-24 16:29:13,127 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:29:13,127 INFO L276 IsEmpty]: Start isEmpty. Operand 7398 states and 8235 transitions. [2018-10-24 16:29:13,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 821 [2018-10-24 16:29:13,148 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:29:13,149 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:29:13,149 INFO L424 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:29:13,149 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:29:13,150 INFO L82 PathProgramCache]: Analyzing trace with hash 899198215, now seen corresponding path program 1 times [2018-10-24 16:29:13,150 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:29:13,150 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:29:13,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:29:13,151 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:29:13,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:29:13,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:29:13,899 WARN L179 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 8 [2018-10-24 16:29:14,491 INFO L134 CoverageAnalysis]: Checked inductivity of 1850 backedges. 1365 proven. 0 refuted. 0 times theorem prover too weak. 485 trivial. 0 not checked. [2018-10-24 16:29:14,492 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:29:14,492 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 16:29:14,493 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:29:14,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:29:14,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:29:14,493 INFO L87 Difference]: Start difference. First operand 7398 states and 8235 transitions. Second operand 4 states. [2018-10-24 16:29:17,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:29:17,291 INFO L93 Difference]: Finished difference Result 14615 states and 16288 transitions. [2018-10-24 16:29:17,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:29:17,295 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 820 [2018-10-24 16:29:17,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:29:17,310 INFO L225 Difference]: With dead ends: 14615 [2018-10-24 16:29:17,310 INFO L226 Difference]: Without dead ends: 7398 [2018-10-24 16:29:17,317 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:29:17,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7398 states. [2018-10-24 16:29:17,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7398 to 7219. [2018-10-24 16:29:17,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7219 states. [2018-10-24 16:29:17,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7219 states to 7219 states and 7865 transitions. [2018-10-24 16:29:17,400 INFO L78 Accepts]: Start accepts. Automaton has 7219 states and 7865 transitions. Word has length 820 [2018-10-24 16:29:17,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:29:17,401 INFO L481 AbstractCegarLoop]: Abstraction has 7219 states and 7865 transitions. [2018-10-24 16:29:17,402 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:29:17,402 INFO L276 IsEmpty]: Start isEmpty. Operand 7219 states and 7865 transitions. [2018-10-24 16:29:17,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 849 [2018-10-24 16:29:17,417 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:29:17,418 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:29:17,418 INFO L424 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:29:17,418 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:29:17,420 INFO L82 PathProgramCache]: Analyzing trace with hash 1439729184, now seen corresponding path program 1 times [2018-10-24 16:29:17,420 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:29:17,420 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:29:17,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:29:17,421 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:29:17,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:29:17,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:29:18,043 INFO L134 CoverageAnalysis]: Checked inductivity of 2254 backedges. 1499 proven. 0 refuted. 0 times theorem prover too weak. 755 trivial. 0 not checked. [2018-10-24 16:29:18,044 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:29:18,044 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 16:29:18,044 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 16:29:18,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 16:29:18,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 16:29:18,045 INFO L87 Difference]: Start difference. First operand 7219 states and 7865 transitions. Second operand 3 states. [2018-10-24 16:29:18,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:29:18,804 INFO L93 Difference]: Finished difference Result 16405 states and 17889 transitions. [2018-10-24 16:29:18,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 16:29:18,805 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 848 [2018-10-24 16:29:18,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:29:18,821 INFO L225 Difference]: With dead ends: 16405 [2018-10-24 16:29:18,821 INFO L226 Difference]: Without dead ends: 9367 [2018-10-24 16:29:18,828 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 [2018-10-24 16:29:18,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9367 states. [2018-10-24 16:29:18,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9367 to 9188. [2018-10-24 16:29:18,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9188 states. [2018-10-24 16:29:18,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9188 states to 9188 states and 9936 transitions. [2018-10-24 16:29:18,931 INFO L78 Accepts]: Start accepts. Automaton has 9188 states and 9936 transitions. Word has length 848 [2018-10-24 16:29:18,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:29:18,932 INFO L481 AbstractCegarLoop]: Abstraction has 9188 states and 9936 transitions. [2018-10-24 16:29:18,932 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 16:29:18,933 INFO L276 IsEmpty]: Start isEmpty. Operand 9188 states and 9936 transitions. [2018-10-24 16:29:18,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1101 [2018-10-24 16:29:18,963 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:29:18,963 INFO L375 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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] [2018-10-24 16:29:18,964 INFO L424 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:29:18,964 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:29:18,964 INFO L82 PathProgramCache]: Analyzing trace with hash -987237664, now seen corresponding path program 1 times [2018-10-24 16:29:18,964 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:29:18,964 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:29:18,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:29:18,965 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:29:18,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:29:19,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:29:20,569 INFO L134 CoverageAnalysis]: Checked inductivity of 3759 backedges. 2395 proven. 0 refuted. 0 times theorem prover too weak. 1364 trivial. 0 not checked. [2018-10-24 16:29:20,570 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:29:20,570 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 16:29:20,571 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 16:29:20,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 16:29:20,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-24 16:29:20,572 INFO L87 Difference]: Start difference. First operand 9188 states and 9936 transitions. Second operand 5 states. [2018-10-24 16:29:22,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:29:22,825 INFO L93 Difference]: Finished difference Result 20356 states and 22043 transitions. [2018-10-24 16:29:22,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-24 16:29:22,826 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1100 [2018-10-24 16:29:22,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:29:22,846 INFO L225 Difference]: With dead ends: 20356 [2018-10-24 16:29:22,846 INFO L226 Difference]: Without dead ends: 11349 [2018-10-24 16:29:22,856 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-24 16:29:22,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11349 states. [2018-10-24 16:29:22,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11349 to 9905. [2018-10-24 16:29:22,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9905 states. [2018-10-24 16:29:22,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9905 states to 9905 states and 10715 transitions. [2018-10-24 16:29:22,980 INFO L78 Accepts]: Start accepts. Automaton has 9905 states and 10715 transitions. Word has length 1100 [2018-10-24 16:29:22,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:29:22,981 INFO L481 AbstractCegarLoop]: Abstraction has 9905 states and 10715 transitions. [2018-10-24 16:29:22,981 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 16:29:22,981 INFO L276 IsEmpty]: Start isEmpty. Operand 9905 states and 10715 transitions. [2018-10-24 16:29:23,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1446 [2018-10-24 16:29:23,015 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:29:23,016 INFO L375 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:29:23,017 INFO L424 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:29:23,017 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:29:23,017 INFO L82 PathProgramCache]: Analyzing trace with hash 123095321, now seen corresponding path program 1 times [2018-10-24 16:29:23,018 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:29:23,018 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:29:23,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:29:23,019 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:29:23,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:29:23,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:29:25,348 INFO L134 CoverageAnalysis]: Checked inductivity of 6263 backedges. 3790 proven. 0 refuted. 0 times theorem prover too weak. 2473 trivial. 0 not checked. [2018-10-24 16:29:25,348 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:29:25,348 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-24 16:29:25,349 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-24 16:29:25,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-24 16:29:25,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-10-24 16:29:25,350 INFO L87 Difference]: Start difference. First operand 9905 states and 10715 transitions. Second operand 8 states. [2018-10-24 16:29:29,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:29:29,175 INFO L93 Difference]: Finished difference Result 19570 states and 21156 transitions. [2018-10-24 16:29:29,176 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-24 16:29:29,176 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1445 [2018-10-24 16:29:29,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:29:29,192 INFO L225 Difference]: With dead ends: 19570 [2018-10-24 16:29:29,192 INFO L226 Difference]: Without dead ends: 9846 [2018-10-24 16:29:29,201 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2018-10-24 16:29:29,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9846 states. [2018-10-24 16:29:29,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9846 to 9543. [2018-10-24 16:29:29,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9543 states. [2018-10-24 16:29:29,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9543 states to 9543 states and 10211 transitions. [2018-10-24 16:29:29,314 INFO L78 Accepts]: Start accepts. Automaton has 9543 states and 10211 transitions. Word has length 1445 [2018-10-24 16:29:29,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:29:29,315 INFO L481 AbstractCegarLoop]: Abstraction has 9543 states and 10211 transitions. [2018-10-24 16:29:29,315 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-24 16:29:29,315 INFO L276 IsEmpty]: Start isEmpty. Operand 9543 states and 10211 transitions. [2018-10-24 16:29:29,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1740 [2018-10-24 16:29:29,351 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:29:29,352 INFO L375 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 9, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:29:29,352 INFO L424 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:29:29,352 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:29:29,353 INFO L82 PathProgramCache]: Analyzing trace with hash -1933271993, now seen corresponding path program 1 times [2018-10-24 16:29:29,353 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:29:29,353 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:29:29,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:29:29,354 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:29:29,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:29:29,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:29:32,411 INFO L134 CoverageAnalysis]: Checked inductivity of 9027 backedges. 3059 proven. 0 refuted. 0 times theorem prover too weak. 5968 trivial. 0 not checked. [2018-10-24 16:29:32,412 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:29:32,412 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 16:29:32,413 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-24 16:29:32,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-24 16:29:32,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-10-24 16:29:32,414 INFO L87 Difference]: Start difference. First operand 9543 states and 10211 transitions. Second operand 7 states. [2018-10-24 16:29:35,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:29:35,569 INFO L93 Difference]: Finished difference Result 19723 states and 21104 transitions. [2018-10-24 16:29:35,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 16:29:35,570 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1739 [2018-10-24 16:29:35,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:29:35,580 INFO L225 Difference]: With dead ends: 19723 [2018-10-24 16:29:35,580 INFO L226 Difference]: Without dead ends: 9539 [2018-10-24 16:29:35,588 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-10-24 16:29:35,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9539 states. [2018-10-24 16:29:35,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9539 to 9539. [2018-10-24 16:29:35,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9539 states. [2018-10-24 16:29:35,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9539 states to 9539 states and 10186 transitions. [2018-10-24 16:29:35,695 INFO L78 Accepts]: Start accepts. Automaton has 9539 states and 10186 transitions. Word has length 1739 [2018-10-24 16:29:35,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:29:35,696 INFO L481 AbstractCegarLoop]: Abstraction has 9539 states and 10186 transitions. [2018-10-24 16:29:35,696 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-24 16:29:35,696 INFO L276 IsEmpty]: Start isEmpty. Operand 9539 states and 10186 transitions. [2018-10-24 16:29:35,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1776 [2018-10-24 16:29:35,734 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:29:35,735 INFO L375 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 9, 9, 8, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:29:35,735 INFO L424 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:29:35,736 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:29:35,736 INFO L82 PathProgramCache]: Analyzing trace with hash 963727222, now seen corresponding path program 1 times [2018-10-24 16:29:35,736 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:29:35,737 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:29:35,737 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:29:35,738 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:29:35,738 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:29:35,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:29:38,557 INFO L134 CoverageAnalysis]: Checked inductivity of 10066 backedges. 3208 proven. 0 refuted. 0 times theorem prover too weak. 6858 trivial. 0 not checked. [2018-10-24 16:29:38,557 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:29:38,557 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 16:29:38,558 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:29:38,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:29:38,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:29:38,559 INFO L87 Difference]: Start difference. First operand 9539 states and 10186 transitions. Second operand 4 states. [2018-10-24 16:29:39,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:29:39,743 INFO L93 Difference]: Finished difference Result 18897 states and 20190 transitions. [2018-10-24 16:29:39,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:29:39,743 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1775 [2018-10-24 16:29:39,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:29:39,753 INFO L225 Difference]: With dead ends: 18897 [2018-10-24 16:29:39,753 INFO L226 Difference]: Without dead ends: 9359 [2018-10-24 16:29:39,759 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 [2018-10-24 16:29:39,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9359 states. [2018-10-24 16:29:39,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9359 to 9359. [2018-10-24 16:29:39,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9359 states. [2018-10-24 16:29:39,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9359 states to 9359 states and 9981 transitions. [2018-10-24 16:29:39,849 INFO L78 Accepts]: Start accepts. Automaton has 9359 states and 9981 transitions. Word has length 1775 [2018-10-24 16:29:39,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:29:39,850 INFO L481 AbstractCegarLoop]: Abstraction has 9359 states and 9981 transitions. [2018-10-24 16:29:39,850 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:29:39,850 INFO L276 IsEmpty]: Start isEmpty. Operand 9359 states and 9981 transitions. [2018-10-24 16:29:39,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1799 [2018-10-24 16:29:39,878 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:29:39,879 INFO L375 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 10, 10, 9, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:29:39,879 INFO L424 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:29:39,879 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:29:39,880 INFO L82 PathProgramCache]: Analyzing trace with hash -1390564882, now seen corresponding path program 1 times [2018-10-24 16:29:39,880 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:29:39,880 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:29:39,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:29:39,881 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:29:39,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:29:40,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:29:41,169 WARN L179 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 8 [2018-10-24 16:29:42,856 INFO L134 CoverageAnalysis]: Checked inductivity of 10236 backedges. 7044 proven. 35 refuted. 0 times theorem prover too weak. 3157 trivial. 0 not checked. [2018-10-24 16:29:42,857 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 16:29:42,857 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 16:29:42,865 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:29:43,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:29:43,269 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 16:29:45,681 INFO L134 CoverageAnalysis]: Checked inductivity of 10236 backedges. 3348 proven. 0 refuted. 0 times theorem prover too weak. 6888 trivial. 0 not checked. [2018-10-24 16:29:45,703 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 16:29:45,703 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2018-10-24 16:29:45,705 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-24 16:29:45,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-24 16:29:45,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-10-24 16:29:45,706 INFO L87 Difference]: Start difference. First operand 9359 states and 9981 transitions. Second operand 8 states. [2018-10-24 16:29:48,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:29:48,972 INFO L93 Difference]: Finished difference Result 18716 states and 19962 transitions. [2018-10-24 16:29:48,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-24 16:29:48,972 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1798 [2018-10-24 16:29:48,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:29:48,983 INFO L225 Difference]: With dead ends: 18716 [2018-10-24 16:29:48,983 INFO L226 Difference]: Without dead ends: 9538 [2018-10-24 16:29:48,989 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 1819 GetRequests, 1804 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2018-10-24 16:29:48,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9538 states. [2018-10-24 16:29:49,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9538 to 9359. [2018-10-24 16:29:49,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9359 states. [2018-10-24 16:29:49,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9359 states to 9359 states and 9897 transitions. [2018-10-24 16:29:49,090 INFO L78 Accepts]: Start accepts. Automaton has 9359 states and 9897 transitions. Word has length 1798 [2018-10-24 16:29:49,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:29:49,091 INFO L481 AbstractCegarLoop]: Abstraction has 9359 states and 9897 transitions. [2018-10-24 16:29:49,091 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-24 16:29:49,091 INFO L276 IsEmpty]: Start isEmpty. Operand 9359 states and 9897 transitions. [2018-10-24 16:29:49,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1816 [2018-10-24 16:29:49,122 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:29:49,123 INFO L375 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:29:49,123 INFO L424 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:29:49,124 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:29:49,124 INFO L82 PathProgramCache]: Analyzing trace with hash 1216762575, now seen corresponding path program 1 times [2018-10-24 16:29:49,124 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:29:49,124 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:29:49,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:29:49,125 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:29:49,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:29:49,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:29:51,247 INFO L134 CoverageAnalysis]: Checked inductivity of 10051 backedges. 4251 proven. 0 refuted. 0 times theorem prover too weak. 5800 trivial. 0 not checked. [2018-10-24 16:29:51,247 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:29:51,248 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 16:29:51,249 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:29:51,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:29:51,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:29:51,249 INFO L87 Difference]: Start difference. First operand 9359 states and 9897 transitions. Second operand 4 states. [2018-10-24 16:29:52,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:29:52,393 INFO L93 Difference]: Finished difference Result 21401 states and 22686 transitions. [2018-10-24 16:29:52,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:29:52,393 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1815 [2018-10-24 16:29:52,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:29:52,397 INFO L225 Difference]: With dead ends: 21401 [2018-10-24 16:29:52,397 INFO L226 Difference]: Without dead ends: 5203 [2018-10-24 16:29:52,403 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:29:52,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5203 states. [2018-10-24 16:29:52,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5203 to 5203. [2018-10-24 16:29:52,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5203 states. [2018-10-24 16:29:52,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5203 states to 5203 states and 5341 transitions. [2018-10-24 16:29:52,451 INFO L78 Accepts]: Start accepts. Automaton has 5203 states and 5341 transitions. Word has length 1815 [2018-10-24 16:29:52,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:29:52,452 INFO L481 AbstractCegarLoop]: Abstraction has 5203 states and 5341 transitions. [2018-10-24 16:29:52,452 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:29:52,452 INFO L276 IsEmpty]: Start isEmpty. Operand 5203 states and 5341 transitions. [2018-10-24 16:29:52,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1888 [2018-10-24 16:29:52,475 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:29:52,476 INFO L375 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 10, 10, 10, 9, 9, 9, 9, 8, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:29:52,476 INFO L424 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:29:52,477 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:29:52,477 INFO L82 PathProgramCache]: Analyzing trace with hash -151180586, now seen corresponding path program 1 times [2018-10-24 16:29:52,477 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:29:52,478 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:29:52,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:29:52,479 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:29:52,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:29:52,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:29:54,674 INFO L134 CoverageAnalysis]: Checked inductivity of 11432 backedges. 689 proven. 0 refuted. 0 times theorem prover too weak. 10743 trivial. 0 not checked. [2018-10-24 16:29:54,674 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:29:54,675 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 16:29:54,676 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 16:29:54,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 16:29:54,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 16:29:54,676 INFO L87 Difference]: Start difference. First operand 5203 states and 5341 transitions. Second operand 3 states. [2018-10-24 16:29:55,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:29:55,316 INFO L93 Difference]: Finished difference Result 10223 states and 10499 transitions. [2018-10-24 16:29:55,316 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 16:29:55,316 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1887 [2018-10-24 16:29:55,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:29:55,318 INFO L225 Difference]: With dead ends: 10223 [2018-10-24 16:29:55,318 INFO L226 Difference]: Without dead ends: 0 [2018-10-24 16:29:55,322 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 16:29:55,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-24 16:29:55,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-24 16:29:55,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-24 16:29:55,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-24 16:29:55,322 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1887 [2018-10-24 16:29:55,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:29:55,323 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-24 16:29:55,323 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 16:29:55,323 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-24 16:29:55,323 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-24 16:29:55,328 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-24 16:29:55,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:55,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:55,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:55,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:55,482 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:55,533 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:55,540 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:55,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:55,549 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:55,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:55,558 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:55,563 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:55,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:55,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:55,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:55,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:55,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:55,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:55,591 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:55,606 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:55,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:55,636 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:55,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:55,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:55,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:55,653 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:55,658 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:55,665 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:55,684 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:55,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:55,691 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:55,695 WARN L179 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 367 DAG size of output: 206 [2018-10-24 16:29:55,704 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:55,715 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:55,740 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:55,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:55,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:55,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:55,895 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:55,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:55,904 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:55,912 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:55,914 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:55,920 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:55,921 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:55,921 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:55,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:55,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:55,937 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:55,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:55,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:55,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:55,990 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:56,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:56,007 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:56,008 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:56,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:56,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:56,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:56,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:56,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:56,055 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:56,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:29:56,062 WARN L179 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 367 DAG size of output: 206 [2018-10-24 16:29:57,904 WARN L179 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 173 DAG size of output: 55 [2018-10-24 16:29:58,721 WARN L179 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 55 [2018-10-24 16:29:58,725 INFO L425 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-10-24 16:29:58,725 INFO L425 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-10-24 16:29:58,726 INFO L425 ceAbstractionStarter]: For program point L168(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,726 INFO L425 ceAbstractionStarter]: For program point L102(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,726 INFO L425 ceAbstractionStarter]: For program point L36(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,726 INFO L425 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-10-24 16:29:58,726 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-10-24 16:29:58,726 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-10-24 16:29:58,726 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-10-24 16:29:58,726 INFO L425 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-10-24 16:29:58,726 INFO L425 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-10-24 16:29:58,726 INFO L425 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-10-24 16:29:58,726 INFO L425 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-10-24 16:29:58,726 INFO L425 ceAbstractionStarter]: For program point L171(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,726 INFO L425 ceAbstractionStarter]: For program point L105(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,727 INFO L425 ceAbstractionStarter]: For program point L39(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,727 INFO L425 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-10-24 16:29:58,727 INFO L425 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-10-24 16:29:58,727 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-10-24 16:29:58,727 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-10-24 16:29:58,727 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-10-24 16:29:58,727 INFO L425 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-10-24 16:29:58,727 INFO L425 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-10-24 16:29:58,727 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-10-24 16:29:58,727 INFO L425 ceAbstractionStarter]: For program point L174(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,727 INFO L425 ceAbstractionStarter]: For program point L108(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,727 INFO L425 ceAbstractionStarter]: For program point L42(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,727 INFO L425 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-10-24 16:29:58,727 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-10-24 16:29:58,728 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-10-24 16:29:58,728 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-10-24 16:29:58,728 INFO L425 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-10-24 16:29:58,728 INFO L425 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-10-24 16:29:58,728 INFO L425 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-10-24 16:29:58,728 INFO L425 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-10-24 16:29:58,728 INFO L425 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-10-24 16:29:58,728 INFO L425 ceAbstractionStarter]: For program point L177(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,728 INFO L425 ceAbstractionStarter]: For program point L111(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,729 INFO L425 ceAbstractionStarter]: For program point L45(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,729 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-10-24 16:29:58,729 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-10-24 16:29:58,729 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-10-24 16:29:58,729 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-10-24 16:29:58,729 INFO L425 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-10-24 16:29:58,729 INFO L425 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-10-24 16:29:58,729 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-10-24 16:29:58,729 INFO L425 ceAbstractionStarter]: For program point L180(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,730 INFO L425 ceAbstractionStarter]: For program point L114(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,730 INFO L425 ceAbstractionStarter]: For program point L48(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,730 INFO L425 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-10-24 16:29:58,730 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-10-24 16:29:58,730 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-10-24 16:29:58,730 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-10-24 16:29:58,730 INFO L425 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-10-24 16:29:58,730 INFO L425 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-10-24 16:29:58,730 INFO L425 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-10-24 16:29:58,730 INFO L425 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-10-24 16:29:58,731 INFO L425 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-10-24 16:29:58,731 INFO L425 ceAbstractionStarter]: For program point L183(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,731 INFO L425 ceAbstractionStarter]: For program point L117(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,731 INFO L425 ceAbstractionStarter]: For program point L51(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,731 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-10-24 16:29:58,731 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-10-24 16:29:58,731 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-10-24 16:29:58,731 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-10-24 16:29:58,731 INFO L425 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-10-24 16:29:58,731 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-10-24 16:29:58,732 INFO L425 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-10-24 16:29:58,732 INFO L425 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-10-24 16:29:58,732 INFO L425 ceAbstractionStarter]: For program point L186(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,732 INFO L425 ceAbstractionStarter]: For program point L120(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,732 INFO L425 ceAbstractionStarter]: For program point L54(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,732 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-10-24 16:29:58,732 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-10-24 16:29:58,732 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-10-24 16:29:58,732 INFO L425 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-10-24 16:29:58,733 INFO L425 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-10-24 16:29:58,733 INFO L425 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-10-24 16:29:58,733 INFO L425 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-10-24 16:29:58,733 INFO L425 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-10-24 16:29:58,733 INFO L425 ceAbstractionStarter]: For program point L189(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,733 INFO L425 ceAbstractionStarter]: For program point L123(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,733 INFO L425 ceAbstractionStarter]: For program point L57(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,733 INFO L425 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-10-24 16:29:58,733 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-10-24 16:29:58,734 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-24 16:29:58,734 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-10-24 16:29:58,734 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-10-24 16:29:58,734 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-10-24 16:29:58,734 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-10-24 16:29:58,734 INFO L425 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-10-24 16:29:58,734 INFO L425 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-10-24 16:29:58,734 INFO L425 ceAbstractionStarter]: For program point L192(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,734 INFO L425 ceAbstractionStarter]: For program point L126(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,734 INFO L425 ceAbstractionStarter]: For program point L60(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,734 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-10-24 16:29:58,735 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-10-24 16:29:58,735 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-10-24 16:29:58,735 INFO L425 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-10-24 16:29:58,735 INFO L425 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-10-24 16:29:58,735 INFO L425 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-10-24 16:29:58,735 INFO L425 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-10-24 16:29:58,735 INFO L425 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-10-24 16:29:58,735 INFO L425 ceAbstractionStarter]: For program point L195(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,735 INFO L425 ceAbstractionStarter]: For program point L129(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,735 INFO L425 ceAbstractionStarter]: For program point L63(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,736 INFO L425 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-10-24 16:29:58,736 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-10-24 16:29:58,736 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-10-24 16:29:58,736 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-10-24 16:29:58,736 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-10-24 16:29:58,736 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-10-24 16:29:58,736 INFO L425 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-10-24 16:29:58,736 INFO L425 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-10-24 16:29:58,736 INFO L425 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-10-24 16:29:58,736 INFO L425 ceAbstractionStarter]: For program point L198(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,736 INFO L425 ceAbstractionStarter]: For program point L132(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,737 INFO L425 ceAbstractionStarter]: For program point L66(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,737 INFO L425 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-10-24 16:29:58,737 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-10-24 16:29:58,737 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-10-24 16:29:58,737 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-10-24 16:29:58,737 INFO L425 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-10-24 16:29:58,737 INFO L425 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-10-24 16:29:58,737 INFO L425 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-10-24 16:29:58,737 INFO L425 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-10-24 16:29:58,737 INFO L425 ceAbstractionStarter]: For program point L201(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,737 INFO L425 ceAbstractionStarter]: For program point L135(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,738 INFO L425 ceAbstractionStarter]: For program point L69(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,738 INFO L425 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-10-24 16:29:58,738 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-10-24 16:29:58,738 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-10-24 16:29:58,738 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-10-24 16:29:58,738 INFO L425 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-10-24 16:29:58,738 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-10-24 16:29:58,738 INFO L425 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-10-24 16:29:58,738 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-10-24 16:29:58,739 INFO L425 ceAbstractionStarter]: For program point L138(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,739 INFO L425 ceAbstractionStarter]: For program point L72(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,739 INFO L425 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-10-24 16:29:58,739 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-10-24 16:29:58,739 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-10-24 16:29:58,739 INFO L425 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-10-24 16:29:58,739 INFO L425 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-10-24 16:29:58,739 INFO L425 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-10-24 16:29:58,739 INFO L425 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-10-24 16:29:58,739 INFO L425 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-10-24 16:29:58,739 INFO L425 ceAbstractionStarter]: For program point L141(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,739 INFO L425 ceAbstractionStarter]: For program point L75(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,739 INFO L425 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-10-24 16:29:58,739 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-10-24 16:29:58,739 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-10-24 16:29:58,740 INFO L425 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-10-24 16:29:58,740 INFO L425 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-10-24 16:29:58,740 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-10-24 16:29:58,740 INFO L425 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,740 INFO L425 ceAbstractionStarter]: For program point L78(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,741 INFO L421 ceAbstractionStarter]: At program point L871(lines 20 872) the Hoare annotation is: (let ((.cse11 (= ~a21~0 6)) (.cse9 (= ~a15~0 8))) (let ((.cse8 (<= 12 ~a12~0)) (.cse12 (<= ~a12~0 73282)) (.cse1 (= ~a21~0 10)) (.cse10 (<= (+ ~a12~0 43) 0)) (.cse5 (not .cse9)) (.cse7 (<= ~a12~0 80)) (.cse13 (not (= 9 ~a21~0))) (.cse3 (not .cse11)) (.cse6 (<= ~a15~0 8)) (.cse2 (= ~a15~0 9)) (.cse0 (= ~a24~0 1)) (.cse4 (= ~a15~0 5))) (or (and .cse0 .cse1 .cse2) (and .cse3 (not .cse4) .cse0 .cse5 .cse6) (and .cse0 (= ~a15~0 6)) (and .cse7 .cse8 .cse3 .cse0 .cse6) (and .cse9 .cse0 .cse1) (and .cse0 .cse10 .cse6) (and .cse8 .cse0 .cse2) (and .cse11 .cse8 .cse9 .cse0) (and .cse12 .cse3 .cse13 .cse9 .cse0) (and .cse12 .cse0 .cse1 .cse6) (and .cse3 .cse9 .cse0 (<= ~a12~0 11)) (and .cse11 .cse10 .cse5 .cse6) (and .cse7 .cse13 .cse3 .cse0 .cse6) (and (= ~a15~0 7) .cse0) (and .cse0 (= ~a21~0 8) .cse2) (and .cse11 .cse0 .cse4)))) [2018-10-24 16:29:58,741 INFO L425 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-10-24 16:29:58,741 INFO L425 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-10-24 16:29:58,741 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-10-24 16:29:58,741 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-10-24 16:29:58,741 INFO L425 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-10-24 16:29:58,741 INFO L425 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-10-24 16:29:58,741 INFO L425 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-10-24 16:29:58,741 INFO L425 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-10-24 16:29:58,742 INFO L425 ceAbstractionStarter]: For program point L147(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,742 INFO L425 ceAbstractionStarter]: For program point L81(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,742 INFO L428 ceAbstractionStarter]: At program point L874(lines 874 890) the Hoare annotation is: true [2018-10-24 16:29:58,742 INFO L425 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-10-24 16:29:58,742 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-10-24 16:29:58,742 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-10-24 16:29:58,742 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-10-24 16:29:58,742 INFO L425 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-10-24 16:29:58,742 INFO L425 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-10-24 16:29:58,742 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-10-24 16:29:58,743 INFO L425 ceAbstractionStarter]: For program point L150(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,743 INFO L425 ceAbstractionStarter]: For program point L84(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,743 INFO L425 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-10-24 16:29:58,743 INFO L425 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-10-24 16:29:58,743 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-10-24 16:29:58,743 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-10-24 16:29:58,743 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-10-24 16:29:58,743 INFO L425 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-10-24 16:29:58,743 INFO L425 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-10-24 16:29:58,744 INFO L425 ceAbstractionStarter]: For program point L153(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,744 INFO L425 ceAbstractionStarter]: For program point L87(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,744 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-10-24 16:29:58,744 INFO L425 ceAbstractionStarter]: For program point L21-1(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,744 INFO L425 ceAbstractionStarter]: For program point L880-1(lines 880 889) no Hoare annotation was computed. [2018-10-24 16:29:58,744 INFO L425 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-10-24 16:29:58,744 INFO L421 ceAbstractionStarter]: At program point L880-3(lines 880 889) the Hoare annotation is: (let ((.cse11 (= ~a21~0 6)) (.cse9 (= ~a15~0 8))) (let ((.cse8 (<= 12 ~a12~0)) (.cse12 (<= ~a12~0 73282)) (.cse1 (= ~a21~0 10)) (.cse10 (<= (+ ~a12~0 43) 0)) (.cse5 (not .cse9)) (.cse7 (<= ~a12~0 80)) (.cse13 (not (= 9 ~a21~0))) (.cse3 (not .cse11)) (.cse6 (<= ~a15~0 8)) (.cse2 (= ~a15~0 9)) (.cse0 (= ~a24~0 1)) (.cse4 (= ~a15~0 5))) (or (and .cse0 .cse1 .cse2) (and .cse3 (not .cse4) .cse0 .cse5 .cse6) (and .cse0 (= ~a15~0 6)) (and .cse7 .cse8 .cse3 .cse0 .cse6) (and .cse9 .cse0 .cse1) (and .cse0 .cse10 .cse6) (and .cse8 .cse0 .cse2) (and .cse11 .cse8 .cse9 .cse0) (and .cse12 .cse3 .cse13 .cse9 .cse0) (and .cse12 .cse0 .cse1 .cse6) (and .cse3 .cse9 .cse0 (<= ~a12~0 11)) (and .cse11 .cse10 .cse5 .cse6) (and .cse7 .cse13 .cse3 .cse0 .cse6) (and (= ~a15~0 7) .cse0) (and .cse0 (= ~a21~0 8) .cse2) (and .cse11 .cse0 .cse4)))) [2018-10-24 16:29:58,745 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2018-10-24 16:29:58,745 INFO L425 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-10-24 16:29:58,745 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-10-24 16:29:58,745 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-10-24 16:29:58,745 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-10-24 16:29:58,745 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-10-24 16:29:58,745 INFO L425 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-10-24 16:29:58,745 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-10-24 16:29:58,745 INFO L425 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-10-24 16:29:58,745 INFO L425 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-10-24 16:29:58,745 INFO L425 ceAbstractionStarter]: For program point L156(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,746 INFO L425 ceAbstractionStarter]: For program point L90(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,746 INFO L425 ceAbstractionStarter]: For program point L24(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,746 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-10-24 16:29:58,746 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-10-24 16:29:58,746 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-10-24 16:29:58,746 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-10-24 16:29:58,746 INFO L425 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-10-24 16:29:58,746 INFO L425 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-10-24 16:29:58,746 INFO L425 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-10-24 16:29:58,746 INFO L425 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-10-24 16:29:58,747 INFO L425 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-10-24 16:29:58,747 INFO L425 ceAbstractionStarter]: For program point L159(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,747 INFO L425 ceAbstractionStarter]: For program point L93(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,747 INFO L425 ceAbstractionStarter]: For program point L27(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,747 INFO L425 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-10-24 16:29:58,747 INFO L425 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-10-24 16:29:58,747 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-10-24 16:29:58,747 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-10-24 16:29:58,747 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-24 16:29:58,747 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-10-24 16:29:58,747 INFO L425 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-10-24 16:29:58,748 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-10-24 16:29:58,748 INFO L425 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-10-24 16:29:58,748 INFO L425 ceAbstractionStarter]: For program point L162(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,748 INFO L425 ceAbstractionStarter]: For program point L96(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,748 INFO L425 ceAbstractionStarter]: For program point L30(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,748 INFO L425 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-10-24 16:29:58,748 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-10-24 16:29:58,748 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-10-24 16:29:58,748 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-10-24 16:29:58,749 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-10-24 16:29:58,749 INFO L425 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-10-24 16:29:58,749 INFO L425 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-10-24 16:29:58,749 INFO L425 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-10-24 16:29:58,749 INFO L425 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-10-24 16:29:58,749 INFO L425 ceAbstractionStarter]: For program point L165(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,749 INFO L425 ceAbstractionStarter]: For program point L99(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,749 INFO L425 ceAbstractionStarter]: For program point L33(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:29:58,749 INFO L425 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-10-24 16:29:58,749 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-10-24 16:29:58,750 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-10-24 16:29:58,750 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-10-24 16:29:58,750 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-10-24 16:29:58,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 04:29:58 BoogieIcfgContainer [2018-10-24 16:29:58,781 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 16:29:58,785 INFO L168 Benchmark]: Toolchain (without parser) took 88904.99 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 3.4 GB in the end (delta: -2.0 GB). Peak memory consumption was 628.4 MB. Max. memory is 7.1 GB. [2018-10-24 16:29:58,786 INFO L168 Benchmark]: CDTParser took 0.22 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. [2018-10-24 16:29:58,787 INFO L168 Benchmark]: CACSL2BoogieTranslator took 826.06 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: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. [2018-10-24 16:29:58,790 INFO L168 Benchmark]: Boogie Procedure Inliner took 237.38 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 731.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -827.8 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2018-10-24 16:29:58,791 INFO L168 Benchmark]: Boogie Preprocessor took 83.72 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2018-10-24 16:29:58,792 INFO L168 Benchmark]: RCFGBuilder took 3550.87 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: 119.7 MB). Peak memory consumption was 119.7 MB. Max. memory is 7.1 GB. [2018-10-24 16:29:58,792 INFO L168 Benchmark]: TraceAbstraction took 84198.00 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 3.4 GB in the end (delta: -1.4 GB). Peak memory consumption was 538.6 MB. Max. memory is 7.1 GB. [2018-10-24 16:29:58,804 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 826.06 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: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 237.38 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 731.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -827.8 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 83.72 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3550.87 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: 119.7 MB). Peak memory consumption was 119.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 84198.00 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 3.4 GB in the end (delta: -1.4 GB). Peak memory consumption was 538.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 145]: 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: 880]: Loop Invariant Derived loop invariant: ((((((((((((((((a24 == 1 && a21 == 10) && a15 == 9) || ((((!(a21 == 6) && !(a15 == 5)) && a24 == 1) && !(a15 == 8)) && a15 <= 8)) || (a24 == 1 && a15 == 6)) || ((((a12 <= 80 && 12 <= a12) && !(a21 == 6)) && a24 == 1) && a15 <= 8)) || ((a15 == 8 && a24 == 1) && a21 == 10)) || ((a24 == 1 && a12 + 43 <= 0) && a15 <= 8)) || ((12 <= a12 && a24 == 1) && a15 == 9)) || (((a21 == 6 && 12 <= a12) && a15 == 8) && a24 == 1)) || ((((a12 <= 73282 && !(a21 == 6)) && !(9 == a21)) && a15 == 8) && a24 == 1)) || (((a12 <= 73282 && a24 == 1) && a21 == 10) && a15 <= 8)) || (((!(a21 == 6) && a15 == 8) && a24 == 1) && a12 <= 11)) || (((a21 == 6 && a12 + 43 <= 0) && !(a15 == 8)) && a15 <= 8)) || ((((a12 <= 80 && !(9 == a21)) && !(a21 == 6)) && a24 == 1) && a15 <= 8)) || (a15 == 7 && a24 == 1)) || ((a24 == 1 && a21 == 8) && a15 == 9)) || ((a21 == 6 && a24 == 1) && a15 == 5) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((((((((((((((((a24 == 1 && a21 == 10) && a15 == 9) || ((((!(a21 == 6) && !(a15 == 5)) && a24 == 1) && !(a15 == 8)) && a15 <= 8)) || (a24 == 1 && a15 == 6)) || ((((a12 <= 80 && 12 <= a12) && !(a21 == 6)) && a24 == 1) && a15 <= 8)) || ((a15 == 8 && a24 == 1) && a21 == 10)) || ((a24 == 1 && a12 + 43 <= 0) && a15 <= 8)) || ((12 <= a12 && a24 == 1) && a15 == 9)) || (((a21 == 6 && 12 <= a12) && a15 == 8) && a24 == 1)) || ((((a12 <= 73282 && !(a21 == 6)) && !(9 == a21)) && a15 == 8) && a24 == 1)) || (((a12 <= 73282 && a24 == 1) && a21 == 10) && a15 <= 8)) || (((!(a21 == 6) && a15 == 8) && a24 == 1) && a12 <= 11)) || (((a21 == 6 && a12 + 43 <= 0) && !(a15 == 8)) && a15 <= 8)) || ((((a12 <= 80 && !(9 == a21)) && !(a21 == 6)) && a24 == 1) && a15 <= 8)) || (a15 == 7 && a24 == 1)) || ((a24 == 1 && a21 == 8) && a15 == 9)) || ((a21 == 6 && a24 == 1) && a15 == 5) - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 246 locations, 1 error locations. SAFE Result, 84.0s OverallTime, 18 OverallIterations, 16 TraceHistogramMax, 50.2s AutomataDifference, 0.0s DeadEndRemovalTime, 3.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 2250 SDtfs, 9916 SDslu, 1954 SDs, 0 SdLazy, 23959 SolverSat, 2921 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 42.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2842 GetRequests, 2749 SyntacticMatches, 19 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9905occurred in iteration=12, 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: 1.4s AutomataMinimizationTime, 18 MinimizatonAttempts, 4553 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 166 NumberOfFragments, 411 HoareAnnotationTreeSize, 3 FomulaSimplifications, 44626 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 3 FomulaSimplificationsInter, 7490 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.5s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 13.6s InterpolantComputationTime, 19421 NumberOfCodeBlocks, 19421 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 19400 ConstructedInterpolants, 0 QuantifiedInterpolants, 62887070 SizeOfPredicates, 8 NumberOfNonLiveVariables, 3311 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 21 InterpolantComputations, 17 PerfectInterpolantSequences, 82164/82273 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...