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/loops/vogal_false-unreach-call.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-0fd1304 [2018-10-23 15:39:53,617 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-23 15:39:53,619 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-23 15:39:53,632 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-23 15:39:53,632 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-23 15:39:53,633 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-23 15:39:53,635 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-23 15:39:53,637 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-23 15:39:53,639 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-23 15:39:53,640 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-23 15:39:53,641 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-23 15:39:53,642 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-23 15:39:53,643 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-23 15:39:53,644 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-23 15:39:53,645 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-23 15:39:53,647 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-23 15:39:53,648 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-23 15:39:53,650 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-23 15:39:53,652 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-23 15:39:53,654 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-23 15:39:53,656 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-23 15:39:53,657 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-23 15:39:53,660 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-23 15:39:53,660 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-23 15:39:53,661 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-23 15:39:53,662 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-23 15:39:53,663 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-23 15:39:53,664 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-23 15:39:53,665 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-23 15:39:53,666 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-23 15:39:53,667 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-23 15:39:53,668 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-23 15:39:53,671 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 [2018-10-23 15:39:53,691 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-23 15:39:53,691 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-23 15:39:53,692 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-23 15:39:53,692 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-23 15:39:53,693 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-23 15:39:53,693 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-23 15:39:53,693 INFO L133 SettingsManager]: * Use SBE=true [2018-10-23 15:39:53,695 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-23 15:39:53,695 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-23 15:39:53,696 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-23 15:39:53,696 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-23 15:39:53,696 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-23 15:39:53,696 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-23 15:39:53,696 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-23 15:39:53,697 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-23 15:39:53,697 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-23 15:39:53,697 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-23 15:39:53,697 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-23 15:39:53,698 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-23 15:39:53,698 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-23 15:39:53,698 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-23 15:39:53,698 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-23 15:39:53,698 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-23 15:39:53,699 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-23 15:39:53,701 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-23 15:39:53,701 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-23 15:39:53,701 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-23 15:39:53,702 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-23 15:39:53,774 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-23 15:39:53,793 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-23 15:39:53,797 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-23 15:39:53,800 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-23 15:39:53,800 INFO L276 PluginConnector]: CDTParser initialized [2018-10-23 15:39:53,801 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/loops/vogal_false-unreach-call.i [2018-10-23 15:39:53,875 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/83746b21a/0dfedc63a2ad42f3bd8a580b0844ad39/FLAG98b4c1230 [2018-10-23 15:39:54,397 INFO L298 CDTParser]: Found 1 translation units. [2018-10-23 15:39:54,398 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/vogal_false-unreach-call.i [2018-10-23 15:39:54,407 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/83746b21a/0dfedc63a2ad42f3bd8a580b0844ad39/FLAG98b4c1230 [2018-10-23 15:39:54,426 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/83746b21a/0dfedc63a2ad42f3bd8a580b0844ad39 [2018-10-23 15:39:54,437 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-23 15:39:54,439 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-23 15:39:54,440 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-23 15:39:54,440 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-23 15:39:54,444 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-23 15:39:54,446 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 03:39:54" (1/1) ... [2018-10-23 15:39:54,449 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5038a34a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 03:39:54, skipping insertion in model container [2018-10-23 15:39:54,449 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 03:39:54" (1/1) ... [2018-10-23 15:39:54,460 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-23 15:39:54,488 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-23 15:39:54,692 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 15:39:54,696 INFO L189 MainTranslator]: Completed pre-run [2018-10-23 15:39:54,736 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 15:39:54,769 INFO L193 MainTranslator]: Completed translation [2018-10-23 15:39:54,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 03:39:54 WrapperNode [2018-10-23 15:39:54,769 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-23 15:39:54,770 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-23 15:39:54,771 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-23 15:39:54,774 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-23 15:39:54,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 03:39:54" (1/1) ... [2018-10-23 15:39:54,796 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 03:39:54" (1/1) ... [2018-10-23 15:39:54,843 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-23 15:39:54,844 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-23 15:39:54,844 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-23 15:39:54,844 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-23 15:39:54,855 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 03:39:54" (1/1) ... [2018-10-23 15:39:54,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 03:39:54" (1/1) ... [2018-10-23 15:39:54,858 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 03:39:54" (1/1) ... [2018-10-23 15:39:54,859 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 03:39:54" (1/1) ... [2018-10-23 15:39:54,870 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 03:39:54" (1/1) ... [2018-10-23 15:39:54,882 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 03:39:54" (1/1) ... [2018-10-23 15:39:54,884 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 03:39:54" (1/1) ... [2018-10-23 15:39:54,892 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-23 15:39:54,893 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-23 15:39:54,893 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-23 15:39:54,893 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-23 15:39:54,894 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 03:39:54" (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 [2018-10-23 15:39:55,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-10-23 15:39:55,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-23 15:39:55,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-23 15:39:55,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-23 15:39:55,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-10-23 15:39:55,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-10-23 15:39:55,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-23 15:39:55,600 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-23 15:39:55,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 03:39:55 BoogieIcfgContainer [2018-10-23 15:39:55,600 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-23 15:39:55,601 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-23 15:39:55,601 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-23 15:39:55,605 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-23 15:39:55,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 03:39:54" (1/3) ... [2018-10-23 15:39:55,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32672fc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 03:39:55, skipping insertion in model container [2018-10-23 15:39:55,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 03:39:54" (2/3) ... [2018-10-23 15:39:55,608 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32672fc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 03:39:55, skipping insertion in model container [2018-10-23 15:39:55,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 03:39:55" (3/3) ... [2018-10-23 15:39:55,610 INFO L112 eAbstractionObserver]: Analyzing ICFG vogal_false-unreach-call.i [2018-10-23 15:39:55,619 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-23 15:39:55,627 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-23 15:39:55,646 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-23 15:39:55,679 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-23 15:39:55,680 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-23 15:39:55,680 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-23 15:39:55,681 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-23 15:39:55,681 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-23 15:39:55,681 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-23 15:39:55,681 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-23 15:39:55,681 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-23 15:39:55,682 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-23 15:39:55,699 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2018-10-23 15:39:55,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-23 15:39:55,706 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 15:39:55,708 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] [2018-10-23 15:39:55,710 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 15:39:55,715 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 15:39:55,716 INFO L82 PathProgramCache]: Analyzing trace with hash -339704674, now seen corresponding path program 1 times [2018-10-23 15:39:55,717 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 15:39:55,718 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 15:39:55,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 15:39:55,765 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 15:39:55,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 15:39:55,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 15:39:55,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 15:39:55,880 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 15:39:55,880 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-23 15:39:55,888 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-23 15:39:55,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-23 15:39:55,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-23 15:39:55,908 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 2 states. [2018-10-23 15:39:55,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 15:39:55,932 INFO L93 Difference]: Finished difference Result 97 states and 123 transitions. [2018-10-23 15:39:55,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-23 15:39:55,935 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 27 [2018-10-23 15:39:55,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 15:39:55,951 INFO L225 Difference]: With dead ends: 97 [2018-10-23 15:39:55,951 INFO L226 Difference]: Without dead ends: 51 [2018-10-23 15:39:55,955 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-23 15:39:55,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-10-23 15:39:55,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-10-23 15:39:55,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-10-23 15:39:55,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 58 transitions. [2018-10-23 15:39:56,000 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 58 transitions. Word has length 27 [2018-10-23 15:39:56,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 15:39:56,000 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 58 transitions. [2018-10-23 15:39:56,000 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-23 15:39:56,001 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2018-10-23 15:39:56,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-23 15:39:56,002 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 15:39:56,002 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] [2018-10-23 15:39:56,003 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 15:39:56,003 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 15:39:56,003 INFO L82 PathProgramCache]: Analyzing trace with hash 726923163, now seen corresponding path program 1 times [2018-10-23 15:39:56,003 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 15:39:56,004 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 15:39:56,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 15:39:56,005 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 15:39:56,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 15:39:56,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 15:39:56,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 15:39:56,243 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 15:39:56,243 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 15:39:56,245 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-23 15:39:56,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-23 15:39:56,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-23 15:39:56,246 INFO L87 Difference]: Start difference. First operand 51 states and 58 transitions. Second operand 3 states. [2018-10-23 15:39:56,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 15:39:56,499 INFO L93 Difference]: Finished difference Result 110 states and 129 transitions. [2018-10-23 15:39:56,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-23 15:39:56,500 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2018-10-23 15:39:56,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 15:39:56,502 INFO L225 Difference]: With dead ends: 110 [2018-10-23 15:39:56,502 INFO L226 Difference]: Without dead ends: 80 [2018-10-23 15:39:56,503 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-23 15:39:56,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-10-23 15:39:56,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 53. [2018-10-23 15:39:56,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-10-23 15:39:56,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 60 transitions. [2018-10-23 15:39:56,512 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 60 transitions. Word has length 33 [2018-10-23 15:39:56,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 15:39:56,512 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 60 transitions. [2018-10-23 15:39:56,512 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-23 15:39:56,513 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2018-10-23 15:39:56,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-23 15:39:56,514 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 15:39:56,514 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-23 15:39:56,514 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 15:39:56,515 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 15:39:56,515 INFO L82 PathProgramCache]: Analyzing trace with hash -185760328, now seen corresponding path program 1 times [2018-10-23 15:39:56,515 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 15:39:56,515 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 15:39:56,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 15:39:56,517 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 15:39:56,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 15:39:56,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 15:39:56,638 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 15:39:56,638 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 15:39:56,638 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 [2018-10-23 15:39:56,659 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 15:39:56,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 15:39:56,722 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 15:39:56,879 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-23 15:39:56,912 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-23 15:39:56,912 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2018-10-23 15:39:56,913 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-23 15:39:56,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-23 15:39:56,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-10-23 15:39:56,914 INFO L87 Difference]: Start difference. First operand 53 states and 60 transitions. Second operand 7 states. [2018-10-23 15:39:57,757 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-10-23 15:39:57,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 15:39:57,976 INFO L93 Difference]: Finished difference Result 237 states and 284 transitions. [2018-10-23 15:39:57,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-10-23 15:39:57,977 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 38 [2018-10-23 15:39:57,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 15:39:57,979 INFO L225 Difference]: With dead ends: 237 [2018-10-23 15:39:57,979 INFO L226 Difference]: Without dead ends: 201 [2018-10-23 15:39:57,983 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2018-10-23 15:39:57,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2018-10-23 15:39:58,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 78. [2018-10-23 15:39:58,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-10-23 15:39:58,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 90 transitions. [2018-10-23 15:39:58,012 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 90 transitions. Word has length 38 [2018-10-23 15:39:58,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 15:39:58,012 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 90 transitions. [2018-10-23 15:39:58,013 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-23 15:39:58,014 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 90 transitions. [2018-10-23 15:39:58,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-23 15:39:58,017 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 15:39:58,017 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 15:39:58,018 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 15:39:58,020 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 15:39:58,020 INFO L82 PathProgramCache]: Analyzing trace with hash 1008905161, now seen corresponding path program 1 times [2018-10-23 15:39:58,020 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 15:39:58,021 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 15:39:58,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 15:39:58,022 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 15:39:58,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 15:39:58,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 15:39:58,314 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-23 15:39:58,315 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 15:39:58,315 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-23 15:39:58,333 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 15:39:58,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 15:39:58,371 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 15:39:58,445 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-23 15:39:58,476 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-23 15:39:58,476 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2018-10-23 15:39:58,477 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-23 15:39:58,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-23 15:39:58,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-10-23 15:39:58,478 INFO L87 Difference]: Start difference. First operand 78 states and 90 transitions. Second operand 6 states. [2018-10-23 15:39:59,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 15:39:59,345 INFO L93 Difference]: Finished difference Result 261 states and 323 transitions. [2018-10-23 15:39:59,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-23 15:39:59,346 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2018-10-23 15:39:59,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 15:39:59,349 INFO L225 Difference]: With dead ends: 261 [2018-10-23 15:39:59,349 INFO L226 Difference]: Without dead ends: 217 [2018-10-23 15:39:59,350 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-10-23 15:39:59,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2018-10-23 15:39:59,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 116. [2018-10-23 15:39:59,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-10-23 15:39:59,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 133 transitions. [2018-10-23 15:39:59,367 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 133 transitions. Word has length 54 [2018-10-23 15:39:59,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 15:39:59,368 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 133 transitions. [2018-10-23 15:39:59,368 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-23 15:39:59,368 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 133 transitions. [2018-10-23 15:39:59,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-23 15:39:59,370 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 15:39:59,370 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 15:39:59,370 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 15:39:59,370 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 15:39:59,371 INFO L82 PathProgramCache]: Analyzing trace with hash 1053032348, now seen corresponding path program 1 times [2018-10-23 15:39:59,371 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 15:39:59,371 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 15:39:59,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 15:39:59,372 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 15:39:59,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 15:39:59,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 15:39:59,516 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-23 15:39:59,517 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 15:39:59,517 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-23 15:39:59,525 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 15:39:59,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 15:39:59,570 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 15:39:59,770 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-10-23 15:39:59,773 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-10-23 15:39:59,774 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-23 15:39:59,775 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-23 15:39:59,779 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-23 15:39:59,780 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2018-10-23 15:39:59,825 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-23 15:39:59,855 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-23 15:39:59,855 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [5] total 11 [2018-10-23 15:39:59,857 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-23 15:39:59,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-23 15:39:59,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2018-10-23 15:39:59,858 INFO L87 Difference]: Start difference. First operand 116 states and 133 transitions. Second operand 11 states. [2018-10-23 15:40:00,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 15:40:00,609 INFO L93 Difference]: Finished difference Result 236 states and 279 transitions. [2018-10-23 15:40:00,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-23 15:40:00,610 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 61 [2018-10-23 15:40:00,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 15:40:00,613 INFO L225 Difference]: With dead ends: 236 [2018-10-23 15:40:00,613 INFO L226 Difference]: Without dead ends: 153 [2018-10-23 15:40:00,614 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2018-10-23 15:40:00,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-10-23 15:40:00,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 137. [2018-10-23 15:40:00,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-10-23 15:40:00,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 157 transitions. [2018-10-23 15:40:00,628 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 157 transitions. Word has length 61 [2018-10-23 15:40:00,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 15:40:00,629 INFO L481 AbstractCegarLoop]: Abstraction has 137 states and 157 transitions. [2018-10-23 15:40:00,629 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-23 15:40:00,629 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 157 transitions. [2018-10-23 15:40:00,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-23 15:40:00,631 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 15:40:00,631 INFO L375 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 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] [2018-10-23 15:40:00,631 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 15:40:00,632 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 15:40:00,632 INFO L82 PathProgramCache]: Analyzing trace with hash -2097353364, now seen corresponding path program 1 times [2018-10-23 15:40:00,632 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 15:40:00,632 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 15:40:00,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 15:40:00,633 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 15:40:00,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 15:40:00,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 15:40:00,781 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-23 15:40:00,782 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 15:40:00,782 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-23 15:40:00,789 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 15:40:00,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 15:40:00,825 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 15:40:00,974 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-10-23 15:40:00,979 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2018-10-23 15:40:00,979 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-23 15:40:00,988 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-23 15:40:00,990 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-23 15:40:00,990 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:4 [2018-10-23 15:40:01,020 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-10-23 15:40:01,042 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-23 15:40:01,042 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 12 [2018-10-23 15:40:01,043 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-23 15:40:01,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-23 15:40:01,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2018-10-23 15:40:01,044 INFO L87 Difference]: Start difference. First operand 137 states and 157 transitions. Second operand 12 states. [2018-10-23 15:40:01,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 15:40:01,915 INFO L93 Difference]: Finished difference Result 405 states and 484 transitions. [2018-10-23 15:40:01,915 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-23 15:40:01,916 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 69 [2018-10-23 15:40:01,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 15:40:01,925 INFO L225 Difference]: With dead ends: 405 [2018-10-23 15:40:01,925 INFO L226 Difference]: Without dead ends: 305 [2018-10-23 15:40:01,927 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=85, Invalid=377, Unknown=0, NotChecked=0, Total=462 [2018-10-23 15:40:01,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2018-10-23 15:40:01,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 164. [2018-10-23 15:40:01,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2018-10-23 15:40:01,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 188 transitions. [2018-10-23 15:40:01,951 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 188 transitions. Word has length 69 [2018-10-23 15:40:01,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 15:40:01,952 INFO L481 AbstractCegarLoop]: Abstraction has 164 states and 188 transitions. [2018-10-23 15:40:01,952 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-23 15:40:01,952 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 188 transitions. [2018-10-23 15:40:01,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-23 15:40:01,955 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 15:40:01,955 INFO L375 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 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] [2018-10-23 15:40:01,955 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 15:40:01,956 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 15:40:01,956 INFO L82 PathProgramCache]: Analyzing trace with hash -694944423, now seen corresponding path program 1 times [2018-10-23 15:40:01,956 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 15:40:01,956 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 15:40:01,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 15:40:01,957 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 15:40:01,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 15:40:01,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 15:40:02,330 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 3 proven. 44 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-23 15:40:02,331 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 15:40:02,331 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-23 15:40:02,339 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 15:40:02,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 15:40:02,373 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 15:40:02,428 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-10-23 15:40:02,449 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-23 15:40:02,449 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2018-10-23 15:40:02,450 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-23 15:40:02,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-23 15:40:02,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-10-23 15:40:02,451 INFO L87 Difference]: Start difference. First operand 164 states and 188 transitions. Second operand 10 states. [2018-10-23 15:40:04,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 15:40:04,278 INFO L93 Difference]: Finished difference Result 825 states and 985 transitions. [2018-10-23 15:40:04,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-10-23 15:40:04,279 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 76 [2018-10-23 15:40:04,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 15:40:04,285 INFO L225 Difference]: With dead ends: 825 [2018-10-23 15:40:04,285 INFO L226 Difference]: Without dead ends: 689 [2018-10-23 15:40:04,287 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=77, Invalid=523, Unknown=0, NotChecked=0, Total=600 [2018-10-23 15:40:04,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2018-10-23 15:40:04,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 193. [2018-10-23 15:40:04,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2018-10-23 15:40:04,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 221 transitions. [2018-10-23 15:40:04,312 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 221 transitions. Word has length 76 [2018-10-23 15:40:04,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 15:40:04,312 INFO L481 AbstractCegarLoop]: Abstraction has 193 states and 221 transitions. [2018-10-23 15:40:04,313 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-23 15:40:04,313 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 221 transitions. [2018-10-23 15:40:04,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-23 15:40:04,314 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 15:40:04,315 INFO L375 BasicCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 4, 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] [2018-10-23 15:40:04,315 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 15:40:04,315 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 15:40:04,315 INFO L82 PathProgramCache]: Analyzing trace with hash -1181534606, now seen corresponding path program 2 times [2018-10-23 15:40:04,315 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 15:40:04,316 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 15:40:04,316 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 15:40:04,317 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 15:40:04,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 15:40:04,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 15:40:04,504 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-10-23 15:40:04,505 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 15:40:04,505 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-23 15:40:04,529 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-10-23 15:40:04,630 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-10-23 15:40:04,630 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-23 15:40:04,634 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 15:40:04,661 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-10-23 15:40:04,682 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-23 15:40:04,682 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2018-10-23 15:40:04,682 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-23 15:40:04,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-23 15:40:04,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-23 15:40:04,683 INFO L87 Difference]: Start difference. First operand 193 states and 221 transitions. Second operand 6 states. [2018-10-23 15:40:05,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 15:40:05,350 INFO L93 Difference]: Finished difference Result 938 states and 1096 transitions. [2018-10-23 15:40:05,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-23 15:40:05,351 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 87 [2018-10-23 15:40:05,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 15:40:05,355 INFO L225 Difference]: With dead ends: 938 [2018-10-23 15:40:05,355 INFO L226 Difference]: Without dead ends: 778 [2018-10-23 15:40:05,356 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 87 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-23 15:40:05,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2018-10-23 15:40:05,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 198. [2018-10-23 15:40:05,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2018-10-23 15:40:05,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 226 transitions. [2018-10-23 15:40:05,377 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 226 transitions. Word has length 87 [2018-10-23 15:40:05,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 15:40:05,378 INFO L481 AbstractCegarLoop]: Abstraction has 198 states and 226 transitions. [2018-10-23 15:40:05,378 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-23 15:40:05,378 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 226 transitions. [2018-10-23 15:40:05,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-23 15:40:05,381 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 15:40:05,381 INFO L375 BasicCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 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] [2018-10-23 15:40:05,382 INFO L424 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 15:40:05,382 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 15:40:05,382 INFO L82 PathProgramCache]: Analyzing trace with hash 742649039, now seen corresponding path program 3 times [2018-10-23 15:40:05,383 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 15:40:05,383 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 15:40:05,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 15:40:05,387 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-23 15:40:05,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 15:40:05,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 15:40:05,575 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-10-23 15:40:05,575 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 15:40:05,575 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-23 15:40:05,586 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-10-23 15:40:05,692 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-10-23 15:40:05,693 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-23 15:40:05,696 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 15:40:05,761 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-10-23 15:40:05,782 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-23 15:40:05,783 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2018-10-23 15:40:05,783 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-23 15:40:05,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-23 15:40:05,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-10-23 15:40:05,784 INFO L87 Difference]: Start difference. First operand 198 states and 226 transitions. Second operand 10 states. [2018-10-23 15:40:09,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 15:40:09,371 INFO L93 Difference]: Finished difference Result 1616 states and 1887 transitions. [2018-10-23 15:40:09,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-10-23 15:40:09,372 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 92 [2018-10-23 15:40:09,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 15:40:09,383 INFO L225 Difference]: With dead ends: 1616 [2018-10-23 15:40:09,383 INFO L226 Difference]: Without dead ends: 1456 [2018-10-23 15:40:09,385 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2018-10-23 15:40:09,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1456 states. [2018-10-23 15:40:09,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1456 to 274. [2018-10-23 15:40:09,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2018-10-23 15:40:09,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 314 transitions. [2018-10-23 15:40:09,428 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 314 transitions. Word has length 92 [2018-10-23 15:40:09,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 15:40:09,428 INFO L481 AbstractCegarLoop]: Abstraction has 274 states and 314 transitions. [2018-10-23 15:40:09,428 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-23 15:40:09,428 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 314 transitions. [2018-10-23 15:40:09,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-23 15:40:09,430 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 15:40:09,430 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 15:40:09,432 INFO L424 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 15:40:09,432 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 15:40:09,432 INFO L82 PathProgramCache]: Analyzing trace with hash 648462843, now seen corresponding path program 4 times [2018-10-23 15:40:09,433 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 15:40:09,433 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 15:40:09,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 15:40:09,434 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-23 15:40:09,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 15:40:09,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 15:40:09,664 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 3 proven. 70 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-10-23 15:40:09,665 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 15:40:09,665 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-23 15:40:09,676 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-10-23 15:40:09,714 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-10-23 15:40:09,714 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-23 15:40:09,718 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 15:40:10,033 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-10-23 15:40:10,035 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2018-10-23 15:40:10,036 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-23 15:40:10,037 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-23 15:40:10,038 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-23 15:40:10,038 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:4 [2018-10-23 15:40:10,068 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-10-23 15:40:10,089 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-23 15:40:10,089 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 17 [2018-10-23 15:40:10,090 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-10-23 15:40:10,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-10-23 15:40:10,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2018-10-23 15:40:10,090 INFO L87 Difference]: Start difference. First operand 274 states and 314 transitions. Second operand 17 states. [2018-10-23 15:40:12,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 15:40:12,629 INFO L93 Difference]: Finished difference Result 1038 states and 1233 transitions. [2018-10-23 15:40:12,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-10-23 15:40:12,629 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 100 [2018-10-23 15:40:12,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 15:40:12,633 INFO L225 Difference]: With dead ends: 1038 [2018-10-23 15:40:12,634 INFO L226 Difference]: Without dead ends: 881 [2018-10-23 15:40:12,636 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 571 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=255, Invalid=2195, Unknown=0, NotChecked=0, Total=2450 [2018-10-23 15:40:12,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 881 states. [2018-10-23 15:40:12,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 881 to 395. [2018-10-23 15:40:12,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2018-10-23 15:40:12,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 455 transitions. [2018-10-23 15:40:12,691 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 455 transitions. Word has length 100 [2018-10-23 15:40:12,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 15:40:12,691 INFO L481 AbstractCegarLoop]: Abstraction has 395 states and 455 transitions. [2018-10-23 15:40:12,691 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-10-23 15:40:12,691 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 455 transitions. [2018-10-23 15:40:12,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-23 15:40:12,694 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 15:40:12,694 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 15:40:12,694 INFO L424 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 15:40:12,695 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 15:40:12,695 INFO L82 PathProgramCache]: Analyzing trace with hash 63795456, now seen corresponding path program 1 times [2018-10-23 15:40:12,695 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 15:40:12,695 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 15:40:12,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 15:40:12,696 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-23 15:40:12,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 15:40:12,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 15:40:13,020 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 3 proven. 102 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2018-10-23 15:40:13,020 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 15:40:13,021 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-23 15:40:13,034 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 15:40:13,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 15:40:13,095 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 15:40:13,462 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 209 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-10-23 15:40:13,482 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-23 15:40:13,483 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 17] total 24 [2018-10-23 15:40:13,483 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-10-23 15:40:13,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-10-23 15:40:13,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=500, Unknown=0, NotChecked=0, Total=552 [2018-10-23 15:40:13,484 INFO L87 Difference]: Start difference. First operand 395 states and 455 transitions. Second operand 24 states. [2018-10-23 15:40:14,445 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2018-10-23 15:40:22,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 15:40:22,809 INFO L93 Difference]: Finished difference Result 2571 states and 3048 transitions. [2018-10-23 15:40:22,809 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2018-10-23 15:40:22,809 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 144 [2018-10-23 15:40:22,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 15:40:22,817 INFO L225 Difference]: With dead ends: 2571 [2018-10-23 15:40:22,817 INFO L226 Difference]: Without dead ends: 2303 [2018-10-23 15:40:22,822 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5103 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=547, Invalid=14459, Unknown=0, NotChecked=0, Total=15006 [2018-10-23 15:40:22,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2303 states. [2018-10-23 15:40:22,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2303 to 1335. [2018-10-23 15:40:22,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1335 states. [2018-10-23 15:40:22,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 1335 states and 1566 transitions. [2018-10-23 15:40:22,978 INFO L78 Accepts]: Start accepts. Automaton has 1335 states and 1566 transitions. Word has length 144 [2018-10-23 15:40:22,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 15:40:22,978 INFO L481 AbstractCegarLoop]: Abstraction has 1335 states and 1566 transitions. [2018-10-23 15:40:22,978 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-10-23 15:40:22,979 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 1566 transitions. [2018-10-23 15:40:22,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-23 15:40:22,982 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 15:40:22,983 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 15:40:22,983 INFO L424 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 15:40:22,983 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 15:40:22,983 INFO L82 PathProgramCache]: Analyzing trace with hash 330790560, now seen corresponding path program 2 times [2018-10-23 15:40:22,983 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 15:40:22,984 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 15:40:22,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 15:40:22,984 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 15:40:22,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 15:40:23,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 15:40:23,350 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 3 proven. 140 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2018-10-23 15:40:23,350 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 15:40:23,351 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-23 15:40:23,358 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-10-23 15:40:23,476 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-10-23 15:40:23,476 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-23 15:40:23,480 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 15:40:23,834 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 285 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-10-23 15:40:23,855 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-23 15:40:23,855 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 19] total 27 [2018-10-23 15:40:23,855 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-10-23 15:40:23,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-10-23 15:40:23,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=643, Unknown=0, NotChecked=0, Total=702 [2018-10-23 15:40:23,857 INFO L87 Difference]: Start difference. First operand 1335 states and 1566 transitions. Second operand 27 states. [2018-10-23 15:40:36,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 15:40:36,822 INFO L93 Difference]: Finished difference Result 4588 states and 5443 transitions. [2018-10-23 15:40:36,823 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2018-10-23 15:40:36,823 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 156 [2018-10-23 15:40:36,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 15:40:36,834 INFO L225 Difference]: With dead ends: 4588 [2018-10-23 15:40:36,834 INFO L226 Difference]: Without dead ends: 3503 [2018-10-23 15:40:36,840 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 358 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8648 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=704, Invalid=23476, Unknown=0, NotChecked=0, Total=24180 [2018-10-23 15:40:36,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3503 states. [2018-10-23 15:40:37,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3503 to 1699. [2018-10-23 15:40:37,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1699 states. [2018-10-23 15:40:37,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1699 states to 1699 states and 1992 transitions. [2018-10-23 15:40:37,076 INFO L78 Accepts]: Start accepts. Automaton has 1699 states and 1992 transitions. Word has length 156 [2018-10-23 15:40:37,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 15:40:37,076 INFO L481 AbstractCegarLoop]: Abstraction has 1699 states and 1992 transitions. [2018-10-23 15:40:37,076 INFO L482 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-10-23 15:40:37,077 INFO L276 IsEmpty]: Start isEmpty. Operand 1699 states and 1992 transitions. [2018-10-23 15:40:37,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-23 15:40:37,081 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 15:40:37,081 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 5, 5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 15:40:37,081 INFO L424 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 15:40:37,082 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 15:40:37,082 INFO L82 PathProgramCache]: Analyzing trace with hash 716776768, now seen corresponding path program 3 times [2018-10-23 15:40:37,082 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 15:40:37,082 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 15:40:37,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 15:40:37,083 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-23 15:40:37,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 15:40:37,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 15:40:37,516 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 3 proven. 184 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2018-10-23 15:40:37,516 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 15:40:37,517 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-23 15:40:37,524 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-10-23 15:40:38,219 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2018-10-23 15:40:38,219 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-23 15:40:38,222 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 15:40:38,415 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2018-10-23 15:40:38,436 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-23 15:40:38,436 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8] total 17 [2018-10-23 15:40:38,436 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-10-23 15:40:38,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-10-23 15:40:38,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2018-10-23 15:40:38,437 INFO L87 Difference]: Start difference. First operand 1699 states and 1992 transitions. Second operand 17 states. [2018-10-23 15:40:44,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 15:40:44,327 INFO L93 Difference]: Finished difference Result 9578 states and 11381 transitions. [2018-10-23 15:40:44,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2018-10-23 15:40:44,328 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 168 [2018-10-23 15:40:44,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 15:40:44,349 INFO L225 Difference]: With dead ends: 9578 [2018-10-23 15:40:44,349 INFO L226 Difference]: Without dead ends: 7922 [2018-10-23 15:40:44,354 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 216 SyntacticMatches, 1 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1431 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=247, Invalid=4723, Unknown=0, NotChecked=0, Total=4970 [2018-10-23 15:40:44,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7922 states. [2018-10-23 15:40:44,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7922 to 1758. [2018-10-23 15:40:44,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1758 states. [2018-10-23 15:40:44,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1758 states to 1758 states and 2044 transitions. [2018-10-23 15:40:44,576 INFO L78 Accepts]: Start accepts. Automaton has 1758 states and 2044 transitions. Word has length 168 [2018-10-23 15:40:44,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 15:40:44,576 INFO L481 AbstractCegarLoop]: Abstraction has 1758 states and 2044 transitions. [2018-10-23 15:40:44,576 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-10-23 15:40:44,577 INFO L276 IsEmpty]: Start isEmpty. Operand 1758 states and 2044 transitions. [2018-10-23 15:40:44,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-10-23 15:40:44,581 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 15:40:44,581 INFO L375 BasicCegarLoop]: trace histogram [10, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 15:40:44,581 INFO L424 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 15:40:44,582 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 15:40:44,582 INFO L82 PathProgramCache]: Analyzing trace with hash -679187815, now seen corresponding path program 4 times [2018-10-23 15:40:44,582 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 15:40:44,582 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 15:40:44,583 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 15:40:44,583 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-23 15:40:44,583 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 15:40:44,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 15:40:45,378 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 3 proven. 234 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2018-10-23 15:40:45,379 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 15:40:45,379 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-23 15:40:45,386 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-10-23 15:40:45,443 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-10-23 15:40:45,443 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-23 15:40:45,446 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 15:40:45,570 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2018-10-23 15:40:45,590 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-23 15:40:45,590 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9] total 19 [2018-10-23 15:40:45,591 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-10-23 15:40:45,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-10-23 15:40:45,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2018-10-23 15:40:45,592 INFO L87 Difference]: Start difference. First operand 1758 states and 2044 transitions. Second operand 19 states. [2018-10-23 15:40:53,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 15:40:53,777 INFO L93 Difference]: Finished difference Result 11133 states and 13128 transitions. [2018-10-23 15:40:53,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2018-10-23 15:40:53,778 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 179 [2018-10-23 15:40:53,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 15:40:53,805 INFO L225 Difference]: With dead ends: 11133 [2018-10-23 15:40:53,805 INFO L226 Difference]: Without dead ends: 9423 [2018-10-23 15:40:53,811 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2415 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=315, Invalid=7517, Unknown=0, NotChecked=0, Total=7832 [2018-10-23 15:40:53,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9423 states. [2018-10-23 15:40:54,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9423 to 1871. [2018-10-23 15:40:54,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1871 states. [2018-10-23 15:40:54,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1871 states to 1871 states and 2175 transitions. [2018-10-23 15:40:54,083 INFO L78 Accepts]: Start accepts. Automaton has 1871 states and 2175 transitions. Word has length 179 [2018-10-23 15:40:54,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 15:40:54,083 INFO L481 AbstractCegarLoop]: Abstraction has 1871 states and 2175 transitions. [2018-10-23 15:40:54,083 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-10-23 15:40:54,083 INFO L276 IsEmpty]: Start isEmpty. Operand 1871 states and 2175 transitions. [2018-10-23 15:40:54,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-10-23 15:40:54,087 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 15:40:54,087 INFO L375 BasicCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 15:40:54,088 INFO L424 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 15:40:54,088 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 15:40:54,088 INFO L82 PathProgramCache]: Analyzing trace with hash 1096951628, now seen corresponding path program 5 times [2018-10-23 15:40:54,088 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 15:40:54,088 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 15:40:54,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 15:40:54,089 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-23 15:40:54,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 15:40:54,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 15:40:54,957 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2018-10-23 15:40:54,957 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 15:40:54,957 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-23 15:40:54,965 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-10-23 15:41:59,530 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2018-10-23 15:41:59,531 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-23 15:41:59,636 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 15:41:59,695 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2018-10-23 15:41:59,726 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-23 15:41:59,727 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2018-10-23 15:41:59,727 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-23 15:41:59,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-23 15:41:59,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-10-23 15:41:59,728 INFO L87 Difference]: Start difference. First operand 1871 states and 2175 transitions. Second operand 10 states. [2018-10-23 15:42:01,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 15:42:01,717 INFO L93 Difference]: Finished difference Result 11998 states and 14036 transitions. [2018-10-23 15:42:01,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-23 15:42:01,717 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 190 [2018-10-23 15:42:01,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 15:42:01,735 INFO L225 Difference]: With dead ends: 11998 [2018-10-23 15:42:01,736 INFO L226 Difference]: Without dead ends: 10180 [2018-10-23 15:42:01,740 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 190 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-10-23 15:42:01,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10180 states. [2018-10-23 15:42:02,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10180 to 1876. [2018-10-23 15:42:02,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1876 states. [2018-10-23 15:42:02,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1876 states to 1876 states and 2180 transitions. [2018-10-23 15:42:02,040 INFO L78 Accepts]: Start accepts. Automaton has 1876 states and 2180 transitions. Word has length 190 [2018-10-23 15:42:02,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 15:42:02,040 INFO L481 AbstractCegarLoop]: Abstraction has 1876 states and 2180 transitions. [2018-10-23 15:42:02,040 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-23 15:42:02,040 INFO L276 IsEmpty]: Start isEmpty. Operand 1876 states and 2180 transitions. [2018-10-23 15:42:02,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-10-23 15:42:02,044 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 15:42:02,044 INFO L375 BasicCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 15:42:02,044 INFO L424 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 15:42:02,045 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 15:42:02,045 INFO L82 PathProgramCache]: Analyzing trace with hash 1127717455, now seen corresponding path program 6 times [2018-10-23 15:42:02,045 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 15:42:02,045 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 15:42:02,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 15:42:02,046 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-23 15:42:02,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 15:42:02,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 15:42:02,274 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2018-10-23 15:42:02,274 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 15:42:02,274 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-23 15:42:02,282 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-10-23 15:42:04,343 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2018-10-23 15:42:04,344 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-23 15:42:04,349 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 15:42:04,393 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2018-10-23 15:42:04,415 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-23 15:42:04,415 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2018-10-23 15:42:04,416 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-23 15:42:04,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-23 15:42:04,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-10-23 15:42:04,416 INFO L87 Difference]: Start difference. First operand 1876 states and 2180 transitions. Second operand 11 states. [2018-10-23 15:42:06,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 15:42:06,992 INFO L93 Difference]: Finished difference Result 13082 states and 15307 transitions. [2018-10-23 15:42:06,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-23 15:42:06,992 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 195 [2018-10-23 15:42:06,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 15:42:07,012 INFO L225 Difference]: With dead ends: 13082 [2018-10-23 15:42:07,012 INFO L226 Difference]: Without dead ends: 11264 [2018-10-23 15:42:07,016 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 195 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-10-23 15:42:07,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11264 states. [2018-10-23 15:42:07,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11264 to 1881. [2018-10-23 15:42:07,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1881 states. [2018-10-23 15:42:07,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1881 states to 1881 states and 2185 transitions. [2018-10-23 15:42:07,491 INFO L78 Accepts]: Start accepts. Automaton has 1881 states and 2185 transitions. Word has length 195 [2018-10-23 15:42:07,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 15:42:07,492 INFO L481 AbstractCegarLoop]: Abstraction has 1881 states and 2185 transitions. [2018-10-23 15:42:07,492 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-23 15:42:07,492 INFO L276 IsEmpty]: Start isEmpty. Operand 1881 states and 2185 transitions. [2018-10-23 15:42:07,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-10-23 15:42:07,495 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 15:42:07,496 INFO L375 BasicCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 15:42:07,496 INFO L424 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 15:42:07,496 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 15:42:07,496 INFO L82 PathProgramCache]: Analyzing trace with hash 1626378540, now seen corresponding path program 7 times [2018-10-23 15:42:07,496 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 15:42:07,496 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 15:42:07,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 15:42:07,497 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-23 15:42:07,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 15:42:07,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 15:42:08,033 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2018-10-23 15:42:08,034 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 15:42:08,034 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-23 15:42:08,041 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 15:42:08,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 15:42:08,114 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 15:42:08,204 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2018-10-23 15:42:08,225 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-23 15:42:08,225 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 12 [2018-10-23 15:42:08,225 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-23 15:42:08,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-23 15:42:08,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-10-23 15:42:08,226 INFO L87 Difference]: Start difference. First operand 1881 states and 2185 transitions. Second operand 12 states. [2018-10-23 15:42:11,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 15:42:11,368 INFO L93 Difference]: Finished difference Result 14166 states and 16578 transitions. [2018-10-23 15:42:11,368 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-23 15:42:11,368 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 200 [2018-10-23 15:42:11,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 15:42:11,386 INFO L225 Difference]: With dead ends: 14166 [2018-10-23 15:42:11,386 INFO L226 Difference]: Without dead ends: 12348 [2018-10-23 15:42:11,391 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 200 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-10-23 15:42:11,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12348 states. [2018-10-23 15:42:11,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12348 to 1886. [2018-10-23 15:42:11,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1886 states. [2018-10-23 15:42:11,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1886 states to 1886 states and 2190 transitions. [2018-10-23 15:42:11,815 INFO L78 Accepts]: Start accepts. Automaton has 1886 states and 2190 transitions. Word has length 200 [2018-10-23 15:42:11,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 15:42:11,815 INFO L481 AbstractCegarLoop]: Abstraction has 1886 states and 2190 transitions. [2018-10-23 15:42:11,815 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-23 15:42:11,816 INFO L276 IsEmpty]: Start isEmpty. Operand 1886 states and 2190 transitions. [2018-10-23 15:42:11,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-10-23 15:42:11,818 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 15:42:11,818 INFO L375 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 15:42:11,818 INFO L424 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 15:42:11,818 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 15:42:11,818 INFO L82 PathProgramCache]: Analyzing trace with hash 1468030063, now seen corresponding path program 8 times [2018-10-23 15:42:11,819 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 15:42:11,819 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 15:42:11,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 15:42:11,819 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 15:42:11,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 15:42:11,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 15:42:13,381 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 23 [2018-10-23 15:42:15,894 INFO L134 CoverageAnalysis]: Checked inductivity of 727 backedges. 32 proven. 447 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2018-10-23 15:42:15,895 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 15:42:15,895 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-23 15:42:15,905 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-10-23 15:42:16,086 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-10-23 15:42:16,086 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-23 15:42:16,092 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 15:42:16,110 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-10-23 15:42:16,111 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-23 15:42:16,123 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-23 15:42:16,124 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-10-23 15:42:16,133 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,133 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,134 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-10-23 15:42:16,134 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-23 15:42:16,137 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-23 15:42:16,138 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:8 [2018-10-23 15:42:16,144 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-10-23 15:42:16,145 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-10-23 15:42:16,146 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-23 15:42:16,148 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-23 15:42:16,154 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-23 15:42:16,154 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:19, output treesize:15 [2018-10-23 15:42:16,193 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-10-23 15:42:16,202 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,203 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,203 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 31 [2018-10-23 15:42:16,204 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-23 15:42:16,210 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-23 15:42:16,217 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-23 15:42:16,218 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:28, output treesize:24 [2018-10-23 15:42:16,337 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 23 [2018-10-23 15:42:16,340 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,342 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,343 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,344 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,346 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,347 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,348 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 78 [2018-10-23 15:42:16,349 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-23 15:42:16,363 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-23 15:42:16,374 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-23 15:42:16,374 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:37, output treesize:33 [2018-10-23 15:42:16,465 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 30 [2018-10-23 15:42:16,488 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,510 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,537 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,564 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,589 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,610 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,634 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,636 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,638 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,639 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,639 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,640 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,640 INFO L303 Elim1Store]: Index analysis took 174 ms [2018-10-23 15:42:16,641 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 149 [2018-10-23 15:42:16,642 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-23 15:42:16,672 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-23 15:42:16,683 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-23 15:42:16,684 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:46, output treesize:42 [2018-10-23 15:42:16,741 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 37 [2018-10-23 15:42:16,762 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,763 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,763 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,764 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,765 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,765 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,766 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,767 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,782 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,783 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,783 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,784 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,785 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,786 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,787 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,788 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,790 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,791 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,792 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,793 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,795 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 20 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 244 [2018-10-23 15:42:16,796 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-23 15:42:16,846 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-23 15:42:16,862 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-23 15:42:16,863 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:55, output treesize:51 [2018-10-23 15:42:16,926 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 44 [2018-10-23 15:42:16,930 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,932 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,934 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,935 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,937 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,938 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,939 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,941 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,942 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,943 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,945 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,946 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,947 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,952 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,953 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,954 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,956 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,957 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,963 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,964 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,965 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,966 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,968 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,969 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,971 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,972 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,974 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,975 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,976 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,978 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:16,980 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 30 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 363 [2018-10-23 15:42:16,981 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-23 15:42:17,069 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-23 15:42:17,088 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-23 15:42:17,088 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:64, output treesize:60 [2018-10-23 15:42:17,161 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 51 [2018-10-23 15:42:17,165 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,166 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,167 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,169 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,170 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,171 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,173 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,174 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,176 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,177 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,178 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,180 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,181 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,182 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,184 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,185 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,187 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,188 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,189 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,191 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,192 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,194 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,195 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,197 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,198 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,200 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,202 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,203 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,205 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,206 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,208 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,209 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,211 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,212 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,214 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,215 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,217 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,220 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,222 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,223 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,224 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,225 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,228 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 42 disjoint index pairs (out of 15 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 506 [2018-10-23 15:42:17,229 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-23 15:42:17,373 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-23 15:42:17,437 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-23 15:42:17,438 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:73, output treesize:69 [2018-10-23 15:42:17,533 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 58 [2018-10-23 15:42:17,537 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,538 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,540 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,541 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,543 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,544 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,545 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,546 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,547 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,548 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,550 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,551 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,553 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,554 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,555 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,557 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,558 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,560 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,561 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,563 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,564 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,565 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,567 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,568 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,570 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,571 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,573 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,574 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,577 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,578 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,580 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,582 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,583 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,585 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,586 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,588 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,589 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,591 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,593 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,594 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,595 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,597 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,599 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,600 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,602 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,603 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,605 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,606 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,608 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,609 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,611 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,612 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,614 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,615 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,617 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,618 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,620 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 56 disjoint index pairs (out of 21 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 673 [2018-10-23 15:42:17,622 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-23 15:42:17,814 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-23 15:42:17,839 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-23 15:42:17,839 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:82, output treesize:78 [2018-10-23 15:42:17,935 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 65 [2018-10-23 15:42:17,942 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,943 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,944 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,944 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,945 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,947 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,948 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,950 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,951 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,953 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,954 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,956 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,957 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,959 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,960 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,962 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,963 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,965 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,966 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,968 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,969 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,970 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,972 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,973 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,975 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,976 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,977 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,979 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,980 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,982 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,983 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,985 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,986 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,988 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,989 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,991 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,992 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,994 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,996 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,997 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:17,999 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,000 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,002 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,004 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,005 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,015 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,016 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,017 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,018 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,020 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,022 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,023 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,025 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,027 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,028 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,030 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,031 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,033 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,035 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,036 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,038 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,039 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,041 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,042 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,044 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,052 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,054 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,056 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,057 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,059 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,060 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,062 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,062 INFO L303 Elim1Store]: Index analysis took 124 ms [2018-10-23 15:42:18,065 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 72 disjoint index pairs (out of 28 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 864 [2018-10-23 15:42:18,067 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-23 15:42:18,589 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-23 15:42:18,615 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-23 15:42:18,616 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:91, output treesize:87 [2018-10-23 15:42:18,717 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 72 [2018-10-23 15:42:18,722 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,723 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,724 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,729 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,730 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,731 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,732 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,733 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,735 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,737 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,738 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,740 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,742 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,743 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,744 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,745 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,746 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,747 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,749 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,750 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,752 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,753 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,755 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,756 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,758 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,760 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,761 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,763 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,764 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,766 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,768 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,769 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,771 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,772 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,774 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,775 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,777 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,778 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,779 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,780 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,781 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,783 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,784 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,786 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,787 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,789 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,791 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,793 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,794 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,796 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,797 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,798 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,799 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,801 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,802 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,803 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,804 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,805 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,807 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,809 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,810 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,812 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,814 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,816 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,817 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,819 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,821 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,822 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,824 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,825 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,827 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,829 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,830 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,832 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,834 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,835 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,837 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,839 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,840 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,842 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,844 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,845 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,847 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,849 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,850 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,851 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,852 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,853 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,855 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,857 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:18,857 INFO L303 Elim1Store]: Index analysis took 138 ms [2018-10-23 15:42:18,860 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 90 disjoint index pairs (out of 36 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 1079 [2018-10-23 15:42:18,862 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-23 15:42:19,246 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-23 15:42:19,276 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-23 15:42:19,277 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:100, output treesize:96 [2018-10-23 15:42:19,422 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 79 [2018-10-23 15:42:19,461 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,462 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,463 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,464 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,465 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,466 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,468 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,469 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,471 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,472 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,474 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,476 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,478 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,479 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,481 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,482 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,484 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,485 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,487 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,488 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,490 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,492 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,493 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,495 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,497 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,498 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,500 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,502 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,503 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,505 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,506 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,508 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,509 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,511 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,513 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,514 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,516 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,517 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,519 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,520 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,522 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,523 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,525 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,526 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,528 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,529 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,531 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,533 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,534 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,536 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,537 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,539 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,540 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,542 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,544 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,546 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,547 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,549 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,551 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,553 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,554 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,556 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,558 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,559 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,561 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,563 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,564 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,566 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,568 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,569 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,571 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,573 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,574 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,576 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,578 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,579 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,581 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,583 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,584 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,586 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,588 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,589 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,591 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,593 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,595 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,596 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,598 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,600 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,601 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,603 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,604 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,606 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,608 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,609 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,611 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,612 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,613 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,615 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,617 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,618 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,620 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,622 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,623 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,625 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,626 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,628 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,629 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,630 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,632 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,633 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:19,634 INFO L303 Elim1Store]: Index analysis took 209 ms [2018-10-23 15:42:19,637 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 110 disjoint index pairs (out of 45 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 1318 [2018-10-23 15:42:19,640 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-23 15:42:20,191 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-23 15:42:20,222 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-23 15:42:20,223 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:109, output treesize:105 [2018-10-23 15:42:20,484 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 114 [2018-10-23 15:42:20,496 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-10-23 15:42:20,496 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-23 15:42:20,529 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-23 15:42:20,619 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-23 15:42:20,619 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:123, output treesize:108 [2018-10-23 15:42:20,780 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 114 [2018-10-23 15:42:20,786 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-10-23 15:42:20,787 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-23 15:42:20,834 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-23 15:42:20,878 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-23 15:42:20,879 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:123, output treesize:108 [2018-10-23 15:42:21,102 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 114 [2018-10-23 15:42:21,105 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-10-23 15:42:21,105 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-23 15:42:21,138 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-23 15:42:21,180 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-23 15:42:21,180 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:123, output treesize:108 [2018-10-23 15:42:21,339 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 114 [2018-10-23 15:42:21,344 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-10-23 15:42:21,344 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-23 15:42:21,375 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-23 15:42:21,459 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-23 15:42:21,460 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:123, output treesize:108 [2018-10-23 15:42:21,615 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 114 [2018-10-23 15:42:21,619 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-10-23 15:42:21,619 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-23 15:42:21,654 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-23 15:42:21,695 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-23 15:42:21,695 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:123, output treesize:108 [2018-10-23 15:42:21,858 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 114 [2018-10-23 15:42:21,862 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-10-23 15:42:21,862 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-23 15:42:21,917 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-23 15:42:21,959 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-23 15:42:21,959 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:123, output treesize:108 [2018-10-23 15:42:22,112 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 114 [2018-10-23 15:42:22,118 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-10-23 15:42:22,118 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-23 15:42:22,154 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-23 15:42:22,195 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-23 15:42:22,196 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:123, output treesize:108 [2018-10-23 15:42:22,365 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 114 [2018-10-23 15:42:22,369 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-10-23 15:42:22,369 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-23 15:42:22,402 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-23 15:42:22,443 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-23 15:42:22,444 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:123, output treesize:108 [2018-10-23 15:42:22,777 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 112 [2018-10-23 15:42:22,781 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-10-23 15:42:22,781 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-23 15:42:22,815 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-23 15:42:22,851 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-23 15:42:22,851 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:118, output treesize:105 [2018-10-23 15:42:22,863 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 114 [2018-10-23 15:42:22,867 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-10-23 15:42:22,867 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-23 15:42:22,978 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-23 15:42:23,019 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-23 15:42:23,019 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:120, output treesize:105 [2018-10-23 15:42:23,048 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 112 [2018-10-23 15:42:23,052 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-10-23 15:42:23,052 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-23 15:42:23,083 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-23 15:42:23,119 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-23 15:42:23,120 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:118, output treesize:114 [2018-10-23 15:42:29,153 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 106 [2018-10-23 15:42:29,189 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,190 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-10-23 15:42:29,190 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-23 15:42:29,233 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,234 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,235 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,236 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,236 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,237 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,239 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,240 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,241 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,242 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,243 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,244 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,245 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,246 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,248 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,249 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,250 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,251 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,252 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,253 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,254 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,255 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,256 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,258 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,259 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,260 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,261 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,262 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,263 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,264 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,265 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,266 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,268 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,269 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,270 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,271 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,272 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,273 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,274 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,275 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,276 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,278 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,279 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,280 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,281 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,282 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,283 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,284 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,285 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,286 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,288 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,289 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,290 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,291 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,292 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,293 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,295 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,296 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,297 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,298 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,300 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,301 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,302 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,303 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,304 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,306 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,307 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,308 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,309 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,311 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,312 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,313 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,314 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,315 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,317 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,318 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,319 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,320 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,322 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,323 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,324 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,325 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,326 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,328 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,329 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,330 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,331 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,333 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,334 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,335 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,336 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,338 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,339 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,340 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,341 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,342 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,344 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,345 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,346 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,347 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,348 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,350 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,351 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,352 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,353 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,355 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,356 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,357 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,358 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,360 INFO L700 Elim1Store]: detected not equals via solver [2018-10-23 15:42:29,360 INFO L303 Elim1Store]: Index analysis took 131 ms [2018-10-23 15:42:29,363 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 110 disjoint index pairs (out of 55 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 503 [2018-10-23 15:42:29,365 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-23 15:42:29,570 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-23 15:42:29,576 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-23 15:42:29,576 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:138, output treesize:7 [2018-10-23 15:42:30,377 INFO L134 CoverageAnalysis]: Checked inductivity of 727 backedges. 82 proven. 635 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-23 15:42:30,400 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-23 15:42:30,400 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 51] total 82 [2018-10-23 15:42:30,401 INFO L460 AbstractCegarLoop]: Interpolant automaton has 82 states [2018-10-23 15:42:30,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2018-10-23 15:42:30,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=911, Invalid=5731, Unknown=0, NotChecked=0, Total=6642 [2018-10-23 15:42:30,403 INFO L87 Difference]: Start difference. First operand 1886 states and 2190 transitions. Second operand 82 states. [2018-10-23 15:42:37,060 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2018-10-23 15:42:37,327 WARN L179 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 87 [2018-10-23 15:42:42,602 WARN L179 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 86 [2018-10-23 15:42:43,227 WARN L179 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2018-10-23 15:42:43,977 WARN L179 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2018-10-23 15:42:44,268 WARN L179 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2018-10-23 15:42:55,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 15:42:55,822 INFO L93 Difference]: Finished difference Result 22181 states and 25986 transitions. [2018-10-23 15:42:55,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2018-10-23 15:42:55,823 INFO L78 Accepts]: Start accepts. Automaton has 82 states. Word has length 205 [2018-10-23 15:42:55,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 15:42:55,841 INFO L225 Difference]: With dead ends: 22181 [2018-10-23 15:42:55,841 INFO L226 Difference]: Without dead ends: 21549 [2018-10-23 15:42:55,846 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 157 SyntacticMatches, 23 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4974 ImplicationChecksByTransitivity, 19.1s TimeCoverageRelationStatistics Valid=3158, Invalid=18598, Unknown=0, NotChecked=0, Total=21756 [2018-10-23 15:42:55,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21549 states. [2018-10-23 15:42:56,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21549 to 3391. [2018-10-23 15:42:56,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3391 states. [2018-10-23 15:42:56,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3391 states to 3391 states and 3906 transitions. [2018-10-23 15:42:56,619 INFO L78 Accepts]: Start accepts. Automaton has 3391 states and 3906 transitions. Word has length 205 [2018-10-23 15:42:56,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 15:42:56,620 INFO L481 AbstractCegarLoop]: Abstraction has 3391 states and 3906 transitions. [2018-10-23 15:42:56,620 INFO L482 AbstractCegarLoop]: Interpolant automaton has 82 states. [2018-10-23 15:42:56,620 INFO L276 IsEmpty]: Start isEmpty. Operand 3391 states and 3906 transitions. [2018-10-23 15:42:56,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-10-23 15:42:56,625 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 15:42:56,625 INFO L375 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 9, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 15:42:56,625 INFO L424 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 15:42:56,625 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 15:42:56,626 INFO L82 PathProgramCache]: Analyzing trace with hash 580746739, now seen corresponding path program 1 times [2018-10-23 15:42:56,626 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 15:42:56,626 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 15:42:56,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 15:42:56,627 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-23 15:42:56,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 15:42:56,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 15:42:57,210 INFO L134 CoverageAnalysis]: Checked inductivity of 727 backedges. 0 proven. 467 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2018-10-23 15:42:57,210 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 15:42:57,211 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-23 15:42:57,218 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 15:42:57,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 15:42:57,287 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 15:42:57,916 INFO L134 CoverageAnalysis]: Checked inductivity of 727 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-23 15:42:57,937 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-23 15:42:57,937 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 29] total 37 [2018-10-23 15:42:57,938 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-10-23 15:42:57,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-10-23 15:42:57,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=1244, Unknown=0, NotChecked=0, Total=1332 [2018-10-23 15:42:57,939 INFO L87 Difference]: Start difference. First operand 3391 states and 3906 transitions. Second operand 37 states. [2018-10-23 15:43:35,265 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-10-23 15:44:00,060 WARN L179 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-10-23 15:44:08,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 15:44:08,777 INFO L93 Difference]: Finished difference Result 48712 states and 56374 transitions. [2018-10-23 15:44:08,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 544 states. [2018-10-23 15:44:08,777 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 205 [2018-10-23 15:44:08,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 15:44:08,809 INFO L225 Difference]: With dead ends: 48712 [2018-10-23 15:44:08,809 INFO L226 Difference]: Without dead ends: 48614 [2018-10-23 15:44:08,828 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 741 GetRequests, 188 SyntacticMatches, 2 SemanticMatches, 551 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136994 ImplicationChecksByTransitivity, 13.5s TimeCoverageRelationStatistics Valid=3488, Invalid=301768, Unknown=0, NotChecked=0, Total=305256 [2018-10-23 15:44:08,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48614 states. Received shutdown request... [2018-10-23 15:44:10,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48614 to 4213. [2018-10-23 15:44:10,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4213 states. [2018-10-23 15:44:10,269 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-23 15:44:10,274 WARN L205 ceAbstractionStarter]: Timeout [2018-10-23 15:44:10,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 03:44:10 BoogieIcfgContainer [2018-10-23 15:44:10,274 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-23 15:44:10,275 INFO L168 Benchmark]: Toolchain (without parser) took 255836.94 ms. Allocated memory was 1.5 GB in the beginning and 3.1 GB in the end (delta: 1.6 GB). Free memory was 1.4 GB in the beginning and 1.9 GB in the end (delta: -457.2 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2018-10-23 15:44:10,275 INFO L168 Benchmark]: CDTParser took 0.28 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. [2018-10-23 15:44:10,276 INFO L168 Benchmark]: CACSL2BoogieTranslator took 329.75 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-10-23 15:44:10,276 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.99 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-23 15:44:10,276 INFO L168 Benchmark]: Boogie Preprocessor took 48.78 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-23 15:44:10,277 INFO L168 Benchmark]: RCFGBuilder took 707.46 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 736.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -771.1 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2018-10-23 15:44:10,277 INFO L168 Benchmark]: TraceAbstraction took 254672.79 ms. Allocated memory was 2.3 GB in the beginning and 3.1 GB in the end (delta: 814.2 MB). Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 303.4 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2018-10-23 15:44:10,280 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 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 329.75 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 72.99 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.78 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 707.46 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 736.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -771.1 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 254672.79 ms. Allocated memory was 2.3 GB in the beginning and 3.1 GB in the end (delta: 814.2 MB). Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 303.4 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 5]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 5). Cancelled while ReachableStatesComputation was computing reachable states (1 states constructedinput type DoubleDeckerAutomaton). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 59 locations, 1 error locations. TIMEOUT Result, 254.6s OverallTime, 19 OverallIterations, 11 TraceHistogramMax, 153.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 9401 SDtfs, 18101 SDslu, 183642 SDs, 0 SdLazy, 124721 SolverSat, 2709 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 82.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3651 GetRequests, 2322 SyntacticMatches, 30 SemanticMatches, 1299 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160349 ImplicationChecksByTransitivity, 47.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3391occurred in iteration=18, 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: 4.5s AutomataMinimizationTime, 19 MinimizatonAttempts, 65947 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 68.6s SatisfiabilityAnalysisTime, 26.5s InterpolantComputationTime, 4498 NumberOfCodeBlocks, 4405 NumberOfCodeBlocksAsserted, 69 NumberOfCheckSat, 4462 ConstructedInterpolants, 1 QuantifiedInterpolants, 7224330 SizeOfPredicates, 70 NumberOfNonLiveVariables, 4047 ConjunctsInSsa, 521 ConjunctsInUnsatCore, 36 InterpolantComputations, 5 PerfectInterpolantSequences, 6078/10858 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown