java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label12_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 14:50:02,870 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 14:50:02,872 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 14:50:02,885 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 14:50:02,885 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 14:50:02,886 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 14:50:02,888 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 14:50:02,891 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 14:50:02,893 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 14:50:02,900 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 14:50:02,900 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 14:50:02,901 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 14:50:02,902 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 14:50:02,903 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 14:50:02,904 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 14:50:02,904 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 14:50:02,905 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 14:50:02,907 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 14:50:02,909 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 14:50:02,911 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 14:50:02,912 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 14:50:02,913 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 14:50:02,916 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 14:50:02,924 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 14:50:02,940 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 14:50:02,940 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 14:50:02,941 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 14:50:02,941 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-24 14:50:02,941 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-24 14:50:02,942 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-24 14:50:02,942 INFO L133 SettingsManager]: * Use SBE=true [2018-10-24 14:50:02,942 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 14:50:02,942 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 14:50:02,942 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 14:50:02,943 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 14:50:02,943 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 14:50:02,943 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 14:50:02,943 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 14:50:02,943 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 14:50:02,944 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 14:50:02,944 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 14:50:02,944 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 14:50:02,944 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 14:50:02,945 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 14:50:02,945 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 14:50:02,945 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 14:50:02,946 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 14:50:02,946 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-24 14:50:02,946 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 14:50:02,946 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 14:50:02,946 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 14:50:02,946 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 14:50:03,000 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 14:50:03,015 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 14:50:03,018 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 14:50:03,020 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 14:50:03,020 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 14:50:03,021 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label12_true-unreach-call_false-termination.c [2018-10-24 14:50:03,081 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/99fea1a7f/89741a766cdd42b1b93f1cd82d19b941/FLAG245704009 [2018-10-24 14:50:03,708 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 14:50:03,709 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label12_true-unreach-call_false-termination.c [2018-10-24 14:50:03,728 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/99fea1a7f/89741a766cdd42b1b93f1cd82d19b941/FLAG245704009 [2018-10-24 14:50:03,744 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/99fea1a7f/89741a766cdd42b1b93f1cd82d19b941 [2018-10-24 14:50:03,753 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 14:50:03,755 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 14:50:03,756 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 14:50:03,757 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 14:50:03,760 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 14:50:03,761 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:50:03" (1/1) ... [2018-10-24 14:50:03,764 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d8d5e21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:50:03, skipping insertion in model container [2018-10-24 14:50:03,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:50:03" (1/1) ... [2018-10-24 14:50:03,775 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 14:50:03,846 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 14:50:04,297 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 14:50:04,302 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 14:50:04,415 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 14:50:04,437 INFO L193 MainTranslator]: Completed translation [2018-10-24 14:50:04,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:50:04 WrapperNode [2018-10-24 14:50:04,438 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 14:50:04,439 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 14:50:04,439 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 14:50:04,443 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 14:50:04,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:50:04" (1/1) ... [2018-10-24 14:50:04,489 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:50:04" (1/1) ... [2018-10-24 14:50:04,643 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 14:50:04,644 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 14:50:04,644 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 14:50:04,644 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 14:50:04,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:50:04" (1/1) ... [2018-10-24 14:50:04,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:50:04" (1/1) ... [2018-10-24 14:50:04,662 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:50:04" (1/1) ... [2018-10-24 14:50:04,663 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:50:04" (1/1) ... [2018-10-24 14:50:04,700 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:50:04" (1/1) ... [2018-10-24 14:50:04,724 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:50:04" (1/1) ... [2018-10-24 14:50:04,736 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:50:04" (1/1) ... [2018-10-24 14:50:04,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 14:50:04,749 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 14:50:04,749 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 14:50:04,749 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 14:50:04,750 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:50:04" (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 14:50:04,818 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-24 14:50:04,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 14:50:04,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 14:50:07,797 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 14:50:07,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:50:07 BoogieIcfgContainer [2018-10-24 14:50:07,798 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 14:50:07,800 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 14:50:07,801 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 14:50:07,804 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 14:50:07,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 02:50:03" (1/3) ... [2018-10-24 14:50:07,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@638c701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:50:07, skipping insertion in model container [2018-10-24 14:50:07,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:50:04" (2/3) ... [2018-10-24 14:50:07,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@638c701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:50:07, skipping insertion in model container [2018-10-24 14:50:07,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:50:07" (3/3) ... [2018-10-24 14:50:07,808 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label12_true-unreach-call_false-termination.c [2018-10-24 14:50:07,816 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 14:50:07,825 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 14:50:07,843 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 14:50:07,881 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-24 14:50:07,881 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 14:50:07,882 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 14:50:07,882 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 14:50:07,882 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 14:50:07,882 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 14:50:07,883 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 14:50:07,883 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 14:50:07,883 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 14:50:07,906 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2018-10-24 14:50:07,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-10-24 14:50:07,920 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:50:07,922 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 14:50:07,924 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:50:07,931 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:50:07,931 INFO L82 PathProgramCache]: Analyzing trace with hash 2010636303, now seen corresponding path program 1 times [2018-10-24 14:50:07,933 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:50:07,934 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:50:07,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:07,981 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:50:07,981 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:08,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:50:08,542 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 7 DAG size of output: 4 [2018-10-24 14:50:08,597 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 14:50:08,600 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:50:08,602 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 14:50:08,608 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 14:50:08,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 14:50:08,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:50:08,630 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 4 states. [2018-10-24 14:50:10,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:50:10,853 INFO L93 Difference]: Finished difference Result 691 states and 1207 transitions. [2018-10-24 14:50:10,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 14:50:10,855 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 121 [2018-10-24 14:50:10,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:50:10,877 INFO L225 Difference]: With dead ends: 691 [2018-10-24 14:50:10,877 INFO L226 Difference]: Without dead ends: 485 [2018-10-24 14:50:10,882 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 14:50:10,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2018-10-24 14:50:10,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 328. [2018-10-24 14:50:10,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2018-10-24 14:50:10,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 527 transitions. [2018-10-24 14:50:10,956 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 527 transitions. Word has length 121 [2018-10-24 14:50:10,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:50:10,957 INFO L481 AbstractCegarLoop]: Abstraction has 328 states and 527 transitions. [2018-10-24 14:50:10,957 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 14:50:10,957 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 527 transitions. [2018-10-24 14:50:10,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-10-24 14:50:10,963 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:50:10,963 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 14:50:10,964 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:50:10,964 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:50:10,964 INFO L82 PathProgramCache]: Analyzing trace with hash -1789914980, now seen corresponding path program 1 times [2018-10-24 14:50:10,965 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:50:10,965 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:50:10,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:10,966 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:50:10,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:10,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:50:11,153 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 14:50:11,153 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:50:11,154 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 14:50:11,156 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 14:50:11,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 14:50:11,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:50:11,157 INFO L87 Difference]: Start difference. First operand 328 states and 527 transitions. Second operand 4 states. [2018-10-24 14:50:12,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:50:12,772 INFO L93 Difference]: Finished difference Result 1182 states and 1980 transitions. [2018-10-24 14:50:12,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 14:50:12,773 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 128 [2018-10-24 14:50:12,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:50:12,782 INFO L225 Difference]: With dead ends: 1182 [2018-10-24 14:50:12,783 INFO L226 Difference]: Without dead ends: 856 [2018-10-24 14:50:12,785 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 14:50:12,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2018-10-24 14:50:12,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 856. [2018-10-24 14:50:12,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 856 states. [2018-10-24 14:50:12,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1303 transitions. [2018-10-24 14:50:12,831 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1303 transitions. Word has length 128 [2018-10-24 14:50:12,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:50:12,832 INFO L481 AbstractCegarLoop]: Abstraction has 856 states and 1303 transitions. [2018-10-24 14:50:12,832 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 14:50:12,832 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1303 transitions. [2018-10-24 14:50:12,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-10-24 14:50:12,839 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:50:12,839 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 14:50:12,840 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:50:12,840 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:50:12,840 INFO L82 PathProgramCache]: Analyzing trace with hash -576316677, now seen corresponding path program 1 times [2018-10-24 14:50:12,840 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:50:12,841 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:50:12,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:12,842 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:50:12,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:12,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:50:13,197 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 14:50:13,197 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:50:13,197 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 14:50:13,198 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 14:50:13,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 14:50:13,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:50:13,199 INFO L87 Difference]: Start difference. First operand 856 states and 1303 transitions. Second operand 4 states. [2018-10-24 14:50:17,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:50:17,383 INFO L93 Difference]: Finished difference Result 2634 states and 4077 transitions. [2018-10-24 14:50:17,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 14:50:17,384 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 129 [2018-10-24 14:50:17,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:50:17,396 INFO L225 Difference]: With dead ends: 2634 [2018-10-24 14:50:17,396 INFO L226 Difference]: Without dead ends: 1647 [2018-10-24 14:50:17,403 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 14:50:17,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1647 states. [2018-10-24 14:50:17,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1647 to 1647. [2018-10-24 14:50:17,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1647 states. [2018-10-24 14:50:17,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1647 states to 1647 states and 2068 transitions. [2018-10-24 14:50:17,459 INFO L78 Accepts]: Start accepts. Automaton has 1647 states and 2068 transitions. Word has length 129 [2018-10-24 14:50:17,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:50:17,459 INFO L481 AbstractCegarLoop]: Abstraction has 1647 states and 2068 transitions. [2018-10-24 14:50:17,459 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 14:50:17,459 INFO L276 IsEmpty]: Start isEmpty. Operand 1647 states and 2068 transitions. [2018-10-24 14:50:17,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-10-24 14:50:17,470 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:50:17,471 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 14:50:17,471 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:50:17,471 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:50:17,471 INFO L82 PathProgramCache]: Analyzing trace with hash -859831251, now seen corresponding path program 1 times [2018-10-24 14:50:17,472 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:50:17,472 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:50:17,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:17,473 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:50:17,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:17,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:50:17,734 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-24 14:50:17,735 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:50:17,735 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 14:50:17,735 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 14:50:17,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 14:50:17,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:50:17,736 INFO L87 Difference]: Start difference. First operand 1647 states and 2068 transitions. Second operand 4 states. [2018-10-24 14:50:19,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:50:19,375 INFO L93 Difference]: Finished difference Result 4084 states and 5286 transitions. [2018-10-24 14:50:19,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 14:50:19,376 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 154 [2018-10-24 14:50:19,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:50:19,387 INFO L225 Difference]: With dead ends: 4084 [2018-10-24 14:50:19,388 INFO L226 Difference]: Without dead ends: 2439 [2018-10-24 14:50:19,391 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 14:50:19,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2439 states. [2018-10-24 14:50:19,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2439 to 2439. [2018-10-24 14:50:19,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2439 states. [2018-10-24 14:50:19,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2439 states to 2439 states and 3072 transitions. [2018-10-24 14:50:19,434 INFO L78 Accepts]: Start accepts. Automaton has 2439 states and 3072 transitions. Word has length 154 [2018-10-24 14:50:19,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:50:19,435 INFO L481 AbstractCegarLoop]: Abstraction has 2439 states and 3072 transitions. [2018-10-24 14:50:19,435 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 14:50:19,435 INFO L276 IsEmpty]: Start isEmpty. Operand 2439 states and 3072 transitions. [2018-10-24 14:50:19,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-10-24 14:50:19,440 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:50:19,441 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:50:19,441 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:50:19,441 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:50:19,441 INFO L82 PathProgramCache]: Analyzing trace with hash 589821308, now seen corresponding path program 1 times [2018-10-24 14:50:19,441 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:50:19,442 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:50:19,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:19,443 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:50:19,443 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:19,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:50:19,619 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-24 14:50:19,619 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:50:19,619 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-24 14:50:19,620 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 14:50:19,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 14:50:19,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 14:50:19,621 INFO L87 Difference]: Start difference. First operand 2439 states and 3072 transitions. Second operand 3 states. [2018-10-24 14:50:20,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:50:20,517 INFO L93 Difference]: Finished difference Result 5668 states and 7294 transitions. [2018-10-24 14:50:20,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 14:50:20,518 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 171 [2018-10-24 14:50:20,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:50:20,532 INFO L225 Difference]: With dead ends: 5668 [2018-10-24 14:50:20,532 INFO L226 Difference]: Without dead ends: 3231 [2018-10-24 14:50:20,536 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 14:50:20,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3231 states. [2018-10-24 14:50:20,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3231 to 3231. [2018-10-24 14:50:20,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3231 states. [2018-10-24 14:50:20,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3231 states to 3231 states and 3996 transitions. [2018-10-24 14:50:20,586 INFO L78 Accepts]: Start accepts. Automaton has 3231 states and 3996 transitions. Word has length 171 [2018-10-24 14:50:20,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:50:20,587 INFO L481 AbstractCegarLoop]: Abstraction has 3231 states and 3996 transitions. [2018-10-24 14:50:20,587 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 14:50:20,587 INFO L276 IsEmpty]: Start isEmpty. Operand 3231 states and 3996 transitions. [2018-10-24 14:50:20,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-10-24 14:50:20,593 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:50:20,593 INFO L375 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 14:50:20,594 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:50:20,594 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:50:20,594 INFO L82 PathProgramCache]: Analyzing trace with hash 521147679, now seen corresponding path program 1 times [2018-10-24 14:50:20,594 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:50:20,594 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:50:20,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:20,595 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:50:20,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:20,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:50:20,817 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 102 proven. 27 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-24 14:50:20,817 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 14:50:20,817 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 14:50:20,828 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:50:20,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:50:20,951 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 14:50:21,150 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-10-24 14:50:21,184 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 14:50:21,185 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2018-10-24 14:50:21,185 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-24 14:50:21,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-24 14:50:21,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-10-24 14:50:21,186 INFO L87 Difference]: Start difference. First operand 3231 states and 3996 transitions. Second operand 8 states. [2018-10-24 14:50:28,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:50:28,836 INFO L93 Difference]: Finished difference Result 6460 states and 8031 transitions. [2018-10-24 14:50:28,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 14:50:28,836 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 201 [2018-10-24 14:50:28,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:50:28,847 INFO L225 Difference]: With dead ends: 6460 [2018-10-24 14:50:28,847 INFO L226 Difference]: Without dead ends: 2962 [2018-10-24 14:50:28,852 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 201 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-10-24 14:50:28,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2962 states. [2018-10-24 14:50:28,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2962 to 2686. [2018-10-24 14:50:28,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2686 states. [2018-10-24 14:50:28,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2686 states to 2686 states and 3014 transitions. [2018-10-24 14:50:28,901 INFO L78 Accepts]: Start accepts. Automaton has 2686 states and 3014 transitions. Word has length 201 [2018-10-24 14:50:28,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:50:28,902 INFO L481 AbstractCegarLoop]: Abstraction has 2686 states and 3014 transitions. [2018-10-24 14:50:28,902 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-24 14:50:28,902 INFO L276 IsEmpty]: Start isEmpty. Operand 2686 states and 3014 transitions. [2018-10-24 14:50:28,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-10-24 14:50:28,909 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:50:28,909 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 14:50:28,910 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:50:28,910 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:50:28,910 INFO L82 PathProgramCache]: Analyzing trace with hash -863472392, now seen corresponding path program 1 times [2018-10-24 14:50:28,910 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:50:28,910 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:50:28,911 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:28,912 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:50:28,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:28,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:50:29,292 WARN L179 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 8 [2018-10-24 14:50:29,474 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-10-24 14:50:29,475 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:50:29,475 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 14:50:29,475 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 14:50:29,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 14:50:29,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-24 14:50:29,476 INFO L87 Difference]: Start difference. First operand 2686 states and 3014 transitions. Second operand 6 states. [2018-10-24 14:50:31,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:50:31,360 INFO L93 Difference]: Finished difference Result 5881 states and 6611 transitions. [2018-10-24 14:50:31,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-24 14:50:31,362 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 236 [2018-10-24 14:50:31,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:50:31,379 INFO L225 Difference]: With dead ends: 5881 [2018-10-24 14:50:31,379 INFO L226 Difference]: Without dead ends: 3197 [2018-10-24 14:50:31,383 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-24 14:50:31,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3197 states. [2018-10-24 14:50:31,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3197 to 2818. [2018-10-24 14:50:31,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2818 states. [2018-10-24 14:50:31,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2818 states to 2818 states and 3115 transitions. [2018-10-24 14:50:31,433 INFO L78 Accepts]: Start accepts. Automaton has 2818 states and 3115 transitions. Word has length 236 [2018-10-24 14:50:31,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:50:31,434 INFO L481 AbstractCegarLoop]: Abstraction has 2818 states and 3115 transitions. [2018-10-24 14:50:31,434 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 14:50:31,434 INFO L276 IsEmpty]: Start isEmpty. Operand 2818 states and 3115 transitions. [2018-10-24 14:50:31,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-10-24 14:50:31,441 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:50:31,442 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 14:50:31,442 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:50:31,442 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:50:31,442 INFO L82 PathProgramCache]: Analyzing trace with hash -1256511775, now seen corresponding path program 1 times [2018-10-24 14:50:31,443 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:50:31,443 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:50:31,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:31,444 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:50:31,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:31,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:50:31,838 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-10-24 14:50:31,838 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:50:31,839 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 14:50:31,839 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 14:50:31,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 14:50:31,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:50:31,840 INFO L87 Difference]: Start difference. First operand 2818 states and 3115 transitions. Second operand 4 states. [2018-10-24 14:50:33,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:50:33,020 INFO L93 Difference]: Finished difference Result 5634 states and 6228 transitions. [2018-10-24 14:50:33,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 14:50:33,021 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 258 [2018-10-24 14:50:33,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:50:33,030 INFO L225 Difference]: With dead ends: 5634 [2018-10-24 14:50:33,030 INFO L226 Difference]: Without dead ends: 2818 [2018-10-24 14:50:33,034 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 14:50:33,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2818 states. [2018-10-24 14:50:33,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2818 to 2818. [2018-10-24 14:50:33,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2818 states. [2018-10-24 14:50:33,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2818 states to 2818 states and 3110 transitions. [2018-10-24 14:50:33,082 INFO L78 Accepts]: Start accepts. Automaton has 2818 states and 3110 transitions. Word has length 258 [2018-10-24 14:50:33,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:50:33,082 INFO L481 AbstractCegarLoop]: Abstraction has 2818 states and 3110 transitions. [2018-10-24 14:50:33,082 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 14:50:33,082 INFO L276 IsEmpty]: Start isEmpty. Operand 2818 states and 3110 transitions. [2018-10-24 14:50:33,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-10-24 14:50:33,089 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:50:33,090 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 14:50:33,090 INFO L424 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:50:33,090 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:50:33,090 INFO L82 PathProgramCache]: Analyzing trace with hash -954809008, now seen corresponding path program 1 times [2018-10-24 14:50:33,091 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:50:33,091 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:50:33,092 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:33,092 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:50:33,092 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:33,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:50:33,795 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 201 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-10-24 14:50:33,796 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:50:33,796 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 14:50:33,796 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 14:50:33,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 14:50:33,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-10-24 14:50:33,797 INFO L87 Difference]: Start difference. First operand 2818 states and 3110 transitions. Second operand 6 states. [2018-10-24 14:50:35,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:50:35,307 INFO L93 Difference]: Finished difference Result 5899 states and 6555 transitions. [2018-10-24 14:50:35,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-24 14:50:35,308 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 268 [2018-10-24 14:50:35,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:50:35,319 INFO L225 Difference]: With dead ends: 5899 [2018-10-24 14:50:35,320 INFO L226 Difference]: Without dead ends: 2817 [2018-10-24 14:50:35,323 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-10-24 14:50:35,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2817 states. [2018-10-24 14:50:35,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2817 to 2817. [2018-10-24 14:50:35,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2817 states. [2018-10-24 14:50:35,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2817 states to 2817 states and 3055 transitions. [2018-10-24 14:50:35,367 INFO L78 Accepts]: Start accepts. Automaton has 2817 states and 3055 transitions. Word has length 268 [2018-10-24 14:50:35,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:50:35,368 INFO L481 AbstractCegarLoop]: Abstraction has 2817 states and 3055 transitions. [2018-10-24 14:50:35,368 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 14:50:35,368 INFO L276 IsEmpty]: Start isEmpty. Operand 2817 states and 3055 transitions. [2018-10-24 14:50:35,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-10-24 14:50:35,374 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:50:35,375 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 14:50:35,375 INFO L424 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:50:35,375 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:50:35,375 INFO L82 PathProgramCache]: Analyzing trace with hash -1251298551, now seen corresponding path program 1 times [2018-10-24 14:50:35,376 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:50:35,376 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:50:35,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:35,377 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:50:35,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:35,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:50:35,898 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2018-10-24 14:50:35,898 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:50:35,898 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 14:50:35,899 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 14:50:35,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 14:50:35,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-24 14:50:35,899 INFO L87 Difference]: Start difference. First operand 2817 states and 3055 transitions. Second operand 5 states. [2018-10-24 14:50:36,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:50:36,820 INFO L93 Difference]: Finished difference Result 3353 states and 3611 transitions. [2018-10-24 14:50:36,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-24 14:50:36,821 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 270 [2018-10-24 14:50:36,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:50:36,830 INFO L225 Difference]: With dead ends: 3353 [2018-10-24 14:50:36,831 INFO L226 Difference]: Without dead ends: 2816 [2018-10-24 14:50:36,832 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 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 14:50:36,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2816 states. [2018-10-24 14:50:36,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2816 to 2816. [2018-10-24 14:50:36,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2816 states. [2018-10-24 14:50:36,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2816 states to 2816 states and 3049 transitions. [2018-10-24 14:50:36,873 INFO L78 Accepts]: Start accepts. Automaton has 2816 states and 3049 transitions. Word has length 270 [2018-10-24 14:50:36,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:50:36,873 INFO L481 AbstractCegarLoop]: Abstraction has 2816 states and 3049 transitions. [2018-10-24 14:50:36,873 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 14:50:36,874 INFO L276 IsEmpty]: Start isEmpty. Operand 2816 states and 3049 transitions. [2018-10-24 14:50:36,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-10-24 14:50:36,882 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:50:36,882 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 14:50:36,882 INFO L424 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:50:36,883 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:50:36,883 INFO L82 PathProgramCache]: Analyzing trace with hash 1557245189, now seen corresponding path program 1 times [2018-10-24 14:50:36,883 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:50:36,883 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:50:36,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:36,884 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:50:36,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:36,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:50:37,294 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2018-10-24 14:50:37,295 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:50:37,295 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 14:50:37,296 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 14:50:37,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 14:50:37,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:50:37,296 INFO L87 Difference]: Start difference. First operand 2816 states and 3049 transitions. Second operand 4 states. [2018-10-24 14:50:38,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:50:38,639 INFO L93 Difference]: Finished difference Result 5356 states and 5825 transitions. [2018-10-24 14:50:38,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 14:50:38,640 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 309 [2018-10-24 14:50:38,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:50:38,641 INFO L225 Difference]: With dead ends: 5356 [2018-10-24 14:50:38,641 INFO L226 Difference]: Without dead ends: 0 [2018-10-24 14:50:38,645 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 14:50:38,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-24 14:50:38,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-24 14:50:38,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-24 14:50:38,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-24 14:50:38,646 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 309 [2018-10-24 14:50:38,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:50:38,646 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-24 14:50:38,646 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 14:50:38,646 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-24 14:50:38,646 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-24 14:50:38,651 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-24 14:50:38,736 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 14:50:38,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 14:50:38,789 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 14:50:38,794 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 14:50:39,493 WARN L179 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 41 [2018-10-24 14:50:39,819 WARN L179 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 41 [2018-10-24 14:50:39,822 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-10-24 14:50:39,822 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 536) no Hoare annotation was computed. [2018-10-24 14:50:39,823 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-10-24 14:50:39,823 INFO L425 ceAbstractionStarter]: For program point L565(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,823 INFO L425 ceAbstractionStarter]: For program point L532(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,823 INFO L425 ceAbstractionStarter]: For program point L499(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,823 INFO L425 ceAbstractionStarter]: For program point L466(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,823 INFO L425 ceAbstractionStarter]: For program point L433(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,823 INFO L425 ceAbstractionStarter]: For program point L400(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,823 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-10-24 14:50:39,824 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-10-24 14:50:39,824 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-10-24 14:50:39,824 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-10-24 14:50:39,824 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-10-24 14:50:39,824 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-10-24 14:50:39,824 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-10-24 14:50:39,824 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-10-24 14:50:39,824 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-10-24 14:50:39,824 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-10-24 14:50:39,824 INFO L425 ceAbstractionStarter]: For program point L568(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,824 INFO L425 ceAbstractionStarter]: For program point L502(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,824 INFO L425 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,825 INFO L425 ceAbstractionStarter]: For program point L469(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,825 INFO L425 ceAbstractionStarter]: For program point L436(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,825 INFO L425 ceAbstractionStarter]: For program point L403(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,825 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-10-24 14:50:39,825 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-10-24 14:50:39,825 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-10-24 14:50:39,825 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-10-24 14:50:39,825 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-10-24 14:50:39,826 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-10-24 14:50:39,826 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-10-24 14:50:39,826 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-10-24 14:50:39,826 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-10-24 14:50:39,826 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-10-24 14:50:39,826 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-10-24 14:50:39,826 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-10-24 14:50:39,826 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-10-24 14:50:39,826 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-10-24 14:50:39,827 INFO L425 ceAbstractionStarter]: For program point L571(lines 571 573) no Hoare annotation was computed. [2018-10-24 14:50:39,827 INFO L425 ceAbstractionStarter]: For program point L538(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,827 INFO L425 ceAbstractionStarter]: For program point L505(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,827 INFO L425 ceAbstractionStarter]: For program point L472(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,827 INFO L425 ceAbstractionStarter]: For program point L439(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,827 INFO L425 ceAbstractionStarter]: For program point L406(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,827 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-10-24 14:50:39,827 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-10-24 14:50:39,827 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-10-24 14:50:39,828 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-10-24 14:50:39,828 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-10-24 14:50:39,828 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-10-24 14:50:39,828 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-10-24 14:50:39,828 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-10-24 14:50:39,828 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-10-24 14:50:39,829 INFO L421 ceAbstractionStarter]: At program point L574(lines 30 575) the Hoare annotation is: (let ((.cse1 (= ~a7~0 1)) (.cse10 (= ~a17~0 1))) (let ((.cse6 (<= ~a17~0 0)) (.cse2 (= ~a20~0 1)) (.cse4 (not .cse10)) (.cse7 (= ~a16~0 4)) (.cse5 (= ~a16~0 5)) (.cse8 (not .cse1)) (.cse0 (= ~a12~0 8)) (.cse3 (= ~a21~0 1)) (.cse9 (= ~a16~0 6))) (or (and (<= ~a21~0 0) .cse0) (and .cse1 (= ~a8~0 14) .cse0 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse3 .cse5) (and .cse7 .cse0 .cse6 .cse3) (and .cse8 .cse0 .cse6 .cse3 .cse9) (and .cse7 .cse10 .cse0 .cse3 .cse2) (and .cse1 (not .cse2) (= ~a8~0 15) .cse0 .cse3 .cse4 .cse5) (and .cse8 .cse7 .cse10 .cse0 .cse3) (and .cse8 .cse10 .cse0 .cse3 .cse5) (and .cse8 .cse10 .cse0 .cse3 .cse9)))) [2018-10-24 14:50:39,829 INFO L425 ceAbstractionStarter]: For program point L541(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,829 INFO L425 ceAbstractionStarter]: For program point L508(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,829 INFO L425 ceAbstractionStarter]: For program point L475(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,829 INFO L425 ceAbstractionStarter]: For program point L442(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,829 INFO L425 ceAbstractionStarter]: For program point L409(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,829 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-10-24 14:50:39,830 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-10-24 14:50:39,830 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-10-24 14:50:39,830 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-10-24 14:50:39,830 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-10-24 14:50:39,830 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-10-24 14:50:39,830 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-10-24 14:50:39,830 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-10-24 14:50:39,830 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-10-24 14:50:39,830 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-10-24 14:50:39,831 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-10-24 14:50:39,831 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-10-24 14:50:39,831 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-10-24 14:50:39,831 INFO L428 ceAbstractionStarter]: At program point L577(lines 577 594) the Hoare annotation is: true [2018-10-24 14:50:39,831 INFO L425 ceAbstractionStarter]: For program point L544(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,831 INFO L425 ceAbstractionStarter]: For program point L511(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,831 INFO L425 ceAbstractionStarter]: For program point L478(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,831 INFO L425 ceAbstractionStarter]: For program point L445(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,831 INFO L425 ceAbstractionStarter]: For program point L412(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,832 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-10-24 14:50:39,832 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-10-24 14:50:39,832 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-10-24 14:50:39,832 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-10-24 14:50:39,832 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-10-24 14:50:39,832 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-10-24 14:50:39,832 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-10-24 14:50:39,832 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-10-24 14:50:39,832 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-10-24 14:50:39,833 INFO L425 ceAbstractionStarter]: For program point L547(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,833 INFO L425 ceAbstractionStarter]: For program point L514(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,833 INFO L425 ceAbstractionStarter]: For program point L481(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,833 INFO L425 ceAbstractionStarter]: For program point L448(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,833 INFO L425 ceAbstractionStarter]: For program point L415(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,833 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-10-24 14:50:39,833 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-10-24 14:50:39,833 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-10-24 14:50:39,834 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-10-24 14:50:39,834 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-10-24 14:50:39,834 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-10-24 14:50:39,834 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-10-24 14:50:39,834 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-10-24 14:50:39,834 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-10-24 14:50:39,834 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-10-24 14:50:39,834 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-10-24 14:50:39,834 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-10-24 14:50:39,834 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-10-24 14:50:39,835 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-10-24 14:50:39,835 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-10-24 14:50:39,835 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-10-24 14:50:39,835 INFO L425 ceAbstractionStarter]: For program point L550(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,835 INFO L425 ceAbstractionStarter]: For program point L517(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,835 INFO L425 ceAbstractionStarter]: For program point L484(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,838 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse1 (= ~a7~0 1)) (.cse10 (= ~a17~0 1))) (let ((.cse6 (<= ~a17~0 0)) (.cse2 (= ~a20~0 1)) (.cse4 (not .cse10)) (.cse7 (= ~a16~0 4)) (.cse5 (= ~a16~0 5)) (.cse8 (not .cse1)) (.cse0 (= ~a12~0 8)) (.cse3 (= ~a21~0 1)) (.cse9 (= ~a16~0 6))) (or (and (<= ~a21~0 0) .cse0) (and .cse1 (= ~a8~0 14) .cse0 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse3 .cse5) (and .cse7 .cse0 .cse6 .cse3) (and .cse8 .cse0 .cse6 .cse3 .cse9) (and .cse7 .cse10 .cse0 .cse3 .cse2) (and .cse1 (not .cse2) (= ~a8~0 15) .cse0 .cse3 .cse4 .cse5) (and .cse8 .cse7 .cse10 .cse0 .cse3) (and .cse8 .cse10 .cse0 .cse3 .cse5) (and .cse8 .cse10 .cse0 .cse3 .cse9)))) [2018-10-24 14:50:39,838 INFO L425 ceAbstractionStarter]: For program point L451(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,838 INFO L425 ceAbstractionStarter]: For program point L418(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,838 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-10-24 14:50:39,838 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-10-24 14:50:39,839 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-10-24 14:50:39,839 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-10-24 14:50:39,839 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-10-24 14:50:39,839 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-10-24 14:50:39,839 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-10-24 14:50:39,839 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-10-24 14:50:39,839 INFO L425 ceAbstractionStarter]: For program point L553(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,839 INFO L425 ceAbstractionStarter]: For program point L520(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,839 INFO L425 ceAbstractionStarter]: For program point L487(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,839 INFO L425 ceAbstractionStarter]: For program point L454(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,840 INFO L425 ceAbstractionStarter]: For program point L421(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,840 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-10-24 14:50:39,840 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-24 14:50:39,840 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-10-24 14:50:39,840 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-10-24 14:50:39,840 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-10-24 14:50:39,840 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-10-24 14:50:39,840 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-10-24 14:50:39,841 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-10-24 14:50:39,841 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-10-24 14:50:39,841 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-10-24 14:50:39,841 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-10-24 14:50:39,841 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-10-24 14:50:39,841 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-10-24 14:50:39,841 INFO L425 ceAbstractionStarter]: For program point L556(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,841 INFO L425 ceAbstractionStarter]: For program point L523(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,842 INFO L425 ceAbstractionStarter]: For program point L490(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,842 INFO L425 ceAbstractionStarter]: For program point L457(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,842 INFO L425 ceAbstractionStarter]: For program point L424(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,842 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-10-24 14:50:39,842 INFO L425 ceAbstractionStarter]: For program point L391-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,842 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-10-24 14:50:39,842 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-10-24 14:50:39,842 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-24 14:50:39,842 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-10-24 14:50:39,843 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-10-24 14:50:39,843 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-10-24 14:50:39,843 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-10-24 14:50:39,843 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-10-24 14:50:39,843 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-10-24 14:50:39,843 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-10-24 14:50:39,843 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-10-24 14:50:39,843 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-10-24 14:50:39,843 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-10-24 14:50:39,843 INFO L425 ceAbstractionStarter]: For program point L559(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,844 INFO L425 ceAbstractionStarter]: For program point L526(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,844 INFO L425 ceAbstractionStarter]: For program point L493(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,844 INFO L425 ceAbstractionStarter]: For program point L460(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,844 INFO L425 ceAbstractionStarter]: For program point L427(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,844 INFO L425 ceAbstractionStarter]: For program point L394(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,844 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-10-24 14:50:39,844 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-10-24 14:50:39,844 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-10-24 14:50:39,844 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-10-24 14:50:39,844 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-10-24 14:50:39,844 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-10-24 14:50:39,844 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-10-24 14:50:39,844 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-10-24 14:50:39,844 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-10-24 14:50:39,845 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-10-24 14:50:39,845 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-10-24 14:50:39,845 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-10-24 14:50:39,845 INFO L425 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-10-24 14:50:39,845 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-10-24 14:50:39,845 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-10-24 14:50:39,845 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-10-24 14:50:39,845 INFO L425 ceAbstractionStarter]: For program point L562(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,845 INFO L425 ceAbstractionStarter]: For program point L529(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,845 INFO L425 ceAbstractionStarter]: For program point L496(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,845 INFO L425 ceAbstractionStarter]: For program point L463(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,845 INFO L425 ceAbstractionStarter]: For program point L430(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,845 INFO L425 ceAbstractionStarter]: For program point L397(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:39,845 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-10-24 14:50:39,846 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-10-24 14:50:39,846 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-10-24 14:50:39,846 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-10-24 14:50:39,846 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-10-24 14:50:39,846 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-10-24 14:50:39,846 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-10-24 14:50:39,846 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-10-24 14:50:39,846 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-10-24 14:50:39,846 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-10-24 14:50:39,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 02:50:39 BoogieIcfgContainer [2018-10-24 14:50:39,871 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 14:50:39,872 INFO L168 Benchmark]: Toolchain (without parser) took 36118.11 ms. Allocated memory was 1.5 GB in the beginning and 2.7 GB in the end (delta: 1.2 GB). Free memory was 1.4 GB in the beginning and 2.6 GB in the end (delta: -1.1 GB). Peak memory consumption was 868.8 MB. Max. memory is 7.1 GB. [2018-10-24 14:50:39,873 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 14:50:39,874 INFO L168 Benchmark]: CACSL2BoogieTranslator took 682.30 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-24 14:50:39,875 INFO L168 Benchmark]: Boogie Procedure Inliner took 204.29 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 756.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -822.4 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. [2018-10-24 14:50:39,876 INFO L168 Benchmark]: Boogie Preprocessor took 104.41 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 14:50:39,876 INFO L168 Benchmark]: RCFGBuilder took 3049.70 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: 116.5 MB). Peak memory consumption was 116.5 MB. Max. memory is 7.1 GB. [2018-10-24 14:50:39,877 INFO L168 Benchmark]: TraceAbstraction took 32071.63 ms. Allocated memory was 2.3 GB in the beginning and 2.7 GB in the end (delta: 418.4 MB). Free memory was 2.1 GB in the beginning and 2.6 GB in the end (delta: -466.7 MB). Peak memory consumption was 787.0 MB. Max. memory is 7.1 GB. [2018-10-24 14:50:39,883 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 682.30 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 204.29 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 756.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -822.4 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.41 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3049.70 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: 116.5 MB). Peak memory consumption was 116.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 32071.63 ms. Allocated memory was 2.3 GB in the beginning and 2.7 GB in the end (delta: 418.4 MB). Free memory was 2.1 GB in the beginning and 2.6 GB in the end (delta: -466.7 MB). Peak memory consumption was 787.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 536]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((((((a21 <= 0 && a12 == 8) || ((((((a7 == 1 && a8 == 14) && a12 == 8) && a20 == 1) && a21 == 1) && !(a17 == 1)) && a16 == 5)) || (((a12 == 8 && a17 <= 0) && a21 == 1) && a16 == 5)) || (((a16 == 4 && a12 == 8) && a17 <= 0) && a21 == 1)) || ((((!(a7 == 1) && a12 == 8) && a17 <= 0) && a21 == 1) && a16 == 6)) || ((((a16 == 4 && a17 == 1) && a12 == 8) && a21 == 1) && a20 == 1)) || ((((((a7 == 1 && !(a20 == 1)) && a8 == 15) && a12 == 8) && a21 == 1) && !(a17 == 1)) && a16 == 5)) || ((((!(a7 == 1) && a16 == 4) && a17 == 1) && a12 == 8) && a21 == 1)) || ((((!(a7 == 1) && a17 == 1) && a12 == 8) && a21 == 1) && a16 == 5)) || ((((!(a7 == 1) && a17 == 1) && a12 == 8) && a21 == 1) && a16 == 6) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((((((a21 <= 0 && a12 == 8) || ((((((a7 == 1 && a8 == 14) && a12 == 8) && a20 == 1) && a21 == 1) && !(a17 == 1)) && a16 == 5)) || (((a12 == 8 && a17 <= 0) && a21 == 1) && a16 == 5)) || (((a16 == 4 && a12 == 8) && a17 <= 0) && a21 == 1)) || ((((!(a7 == 1) && a12 == 8) && a17 <= 0) && a21 == 1) && a16 == 6)) || ((((a16 == 4 && a17 == 1) && a12 == 8) && a21 == 1) && a20 == 1)) || ((((((a7 == 1 && !(a20 == 1)) && a8 == 15) && a12 == 8) && a21 == 1) && !(a17 == 1)) && a16 == 5)) || ((((!(a7 == 1) && a16 == 4) && a17 == 1) && a12 == 8) && a21 == 1)) || ((((!(a7 == 1) && a17 == 1) && a12 == 8) && a21 == 1) && a16 == 5)) || ((((!(a7 == 1) && a17 == 1) && a12 == 8) && a21 == 1) && a16 == 6) - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 199 locations, 1 error locations. SAFE Result, 31.9s OverallTime, 11 OverallIterations, 6 TraceHistogramMax, 25.2s AutomataDifference, 0.0s DeadEndRemovalTime, 1.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 1408 SDtfs, 3909 SDslu, 862 SDs, 0 SdLazy, 8775 SolverSat, 1466 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 22.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 249 GetRequests, 213 SyntacticMatches, 5 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3231occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 812 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 58 NumberOfFragments, 331 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2532 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 98 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 2446 NumberOfCodeBlocks, 2446 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2434 ConstructedInterpolants, 0 QuantifiedInterpolants, 2432620 SizeOfPredicates, 1 NumberOfNonLiveVariables, 345 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 12 InterpolantComputations, 11 PerfectInterpolantSequences, 1785/1812 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...