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 0.1.23-1dbac8b [2018-10-26 22:18:54,631 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:18:54,634 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:18:54,650 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:18:54,650 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:18:54,651 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:18:54,652 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:18:54,654 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:18:54,656 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:18:54,657 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:18:54,658 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:18:54,658 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:18:54,659 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:18:54,660 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:18:54,661 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:18:54,662 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:18:54,662 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:18:54,664 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:18:54,666 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:18:54,668 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:18:54,669 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:18:54,670 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:18:54,675 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:18:54,675 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:18:54,675 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:18:54,676 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:18:54,682 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:18:54,683 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:18:54,683 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:18:54,684 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:18:54,685 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:18:54,685 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-26 22:18:54,689 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-10-26 22:18:54,719 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:18:54,719 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:18:54,720 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:18:54,720 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 22:18:54,721 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 22:18:54,721 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 22:18:54,722 INFO L133 SettingsManager]: * Use SBE=true [2018-10-26 22:18:54,722 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:18:54,723 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 22:18:54,723 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:18:54,723 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:18:54,723 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:18:54,723 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:18:54,724 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:18:54,724 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:18:54,724 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:18:54,724 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 22:18:54,724 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:18:54,725 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 22:18:54,725 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 22:18:54,725 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:18:54,725 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:18:54,725 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:18:54,726 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-26 22:18:54,727 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:18:54,727 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 22:18:54,727 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 22:18:54,728 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-26 22:18:54,789 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:18:54,804 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:18:54,807 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:18:54,809 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:18:54,809 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:18:54,810 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/loops/vogal_false-unreach-call.i [2018-10-26 22:18:54,868 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/b892d8753/d177e4b8ed6d4240a3c2d38cfaa3a9b1/FLAGee204c8be [2018-10-26 22:18:55,347 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:18:55,348 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/vogal_false-unreach-call.i [2018-10-26 22:18:55,355 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/b892d8753/d177e4b8ed6d4240a3c2d38cfaa3a9b1/FLAGee204c8be [2018-10-26 22:18:55,370 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/b892d8753/d177e4b8ed6d4240a3c2d38cfaa3a9b1 [2018-10-26 22:18:55,381 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:18:55,383 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 22:18:55,384 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:18:55,384 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:18:55,388 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:18:55,389 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:18:55" (1/1) ... [2018-10-26 22:18:55,392 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19392d65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:18:55, skipping insertion in model container [2018-10-26 22:18:55,392 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:18:55" (1/1) ... [2018-10-26 22:18:55,401 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:18:55,420 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:18:55,675 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:18:55,679 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:18:55,727 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:18:55,753 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:18:55,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:18:55 WrapperNode [2018-10-26 22:18:55,754 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:18:55,755 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:18:55,755 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:18:55,755 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:18:55,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:18:55" (1/1) ... [2018-10-26 22:18:55,776 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:18:55" (1/1) ... [2018-10-26 22:18:55,805 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:18:55,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:18:55,807 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:18:55,807 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:18:55,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:18:55" (1/1) ... [2018-10-26 22:18:55,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:18:55" (1/1) ... [2018-10-26 22:18:55,820 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:18:55" (1/1) ... [2018-10-26 22:18:55,820 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:18:55" (1/1) ... [2018-10-26 22:18:55,827 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:18:55" (1/1) ... [2018-10-26 22:18:55,834 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:18:55" (1/1) ... [2018-10-26 22:18:55,836 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:18:55" (1/1) ... [2018-10-26 22:18:55,839 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:18:55,839 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:18:55,839 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:18:55,839 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:18:55,840 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:18:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 22:18:55,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-10-26 22:18:55,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-26 22:18:55,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:18:55,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:18:55,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-10-26 22:18:55,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-10-26 22:18:55,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-26 22:18:56,524 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:18:56,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:18:56 BoogieIcfgContainer [2018-10-26 22:18:56,525 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:18:56,526 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 22:18:56,527 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 22:18:56,530 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 22:18:56,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 10:18:55" (1/3) ... [2018-10-26 22:18:56,531 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22e15f6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:18:56, skipping insertion in model container [2018-10-26 22:18:56,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:18:55" (2/3) ... [2018-10-26 22:18:56,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22e15f6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:18:56, skipping insertion in model container [2018-10-26 22:18:56,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:18:56" (3/3) ... [2018-10-26 22:18:56,534 INFO L112 eAbstractionObserver]: Analyzing ICFG vogal_false-unreach-call.i [2018-10-26 22:18:56,544 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 22:18:56,552 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 22:18:56,570 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 22:18:56,603 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 22:18:56,604 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 22:18:56,604 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 22:18:56,604 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 22:18:56,604 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 22:18:56,604 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 22:18:56,604 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 22:18:56,605 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 22:18:56,605 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 22:18:56,620 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2018-10-26 22:18:56,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-26 22:18:56,627 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:18:56,628 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] [2018-10-26 22:18:56,631 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:18:56,637 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:18:56,637 INFO L82 PathProgramCache]: Analyzing trace with hash -339704674, now seen corresponding path program 1 times [2018-10-26 22:18:56,639 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:18:56,639 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:18:56,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:18:56,692 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:18:56,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:18:56,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:18:56,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:18:56,814 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:18:56,814 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 22:18:56,818 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 22:18:56,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 22:18:56,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 22:18:56,835 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 2 states. [2018-10-26 22:18:56,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:18:56,861 INFO L93 Difference]: Finished difference Result 97 states and 123 transitions. [2018-10-26 22:18:56,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 22:18:56,862 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 27 [2018-10-26 22:18:56,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:18:56,878 INFO L225 Difference]: With dead ends: 97 [2018-10-26 22:18:56,878 INFO L226 Difference]: Without dead ends: 51 [2018-10-26 22:18:56,881 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 [2018-10-26 22:18:56,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-10-26 22:18:56,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-10-26 22:18:56,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-10-26 22:18:56,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 58 transitions. [2018-10-26 22:18:56,918 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 58 transitions. Word has length 27 [2018-10-26 22:18:56,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:18:56,919 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 58 transitions. [2018-10-26 22:18:56,919 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 22:18:56,919 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2018-10-26 22:18:56,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-26 22:18:56,921 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:18:56,921 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] [2018-10-26 22:18:56,921 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:18:56,922 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:18:56,922 INFO L82 PathProgramCache]: Analyzing trace with hash 726923163, now seen corresponding path program 1 times [2018-10-26 22:18:56,922 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:18:56,922 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:18:56,923 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:18:56,924 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:18:56,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:18:56,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:18:57,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:18:57,068 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:18:57,068 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 22:18:57,070 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 22:18:57,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 22:18:57,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 22:18:57,072 INFO L87 Difference]: Start difference. First operand 51 states and 58 transitions. Second operand 3 states. [2018-10-26 22:18:57,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:18:57,320 INFO L93 Difference]: Finished difference Result 110 states and 129 transitions. [2018-10-26 22:18:57,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 22:18:57,321 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2018-10-26 22:18:57,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:18:57,323 INFO L225 Difference]: With dead ends: 110 [2018-10-26 22:18:57,323 INFO L226 Difference]: Without dead ends: 80 [2018-10-26 22:18:57,324 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 22:18:57,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-10-26 22:18:57,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 53. [2018-10-26 22:18:57,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-10-26 22:18:57,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 60 transitions. [2018-10-26 22:18:57,332 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 60 transitions. Word has length 33 [2018-10-26 22:18:57,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:18:57,333 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 60 transitions. [2018-10-26 22:18:57,333 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 22:18:57,333 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2018-10-26 22:18:57,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-26 22:18:57,334 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:18:57,334 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] [2018-10-26 22:18:57,335 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:18:57,335 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:18:57,335 INFO L82 PathProgramCache]: Analyzing trace with hash -185760328, now seen corresponding path program 1 times [2018-10-26 22:18:57,335 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:18:57,335 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:18:57,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:18:57,336 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:18:57,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:18:57,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:18:57,428 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:18:57,428 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:18:57,428 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 22:18:57,444 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:18:57,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:18:57,492 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:18:57,727 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 22:18:57,755 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 22:18:57,756 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2018-10-26 22:18:57,756 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 22:18:57,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 22:18:57,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-10-26 22:18:57,757 INFO L87 Difference]: Start difference. First operand 53 states and 60 transitions. Second operand 7 states. [2018-10-26 22:18:58,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:18:58,711 INFO L93 Difference]: Finished difference Result 237 states and 284 transitions. [2018-10-26 22:18:58,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-10-26 22:18:58,712 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 38 [2018-10-26 22:18:58,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:18:58,717 INFO L225 Difference]: With dead ends: 237 [2018-10-26 22:18:58,717 INFO L226 Difference]: Without dead ends: 201 [2018-10-26 22:18:58,719 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2018-10-26 22:18:58,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2018-10-26 22:18:58,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 78. [2018-10-26 22:18:58,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-10-26 22:18:58,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 90 transitions. [2018-10-26 22:18:58,750 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 90 transitions. Word has length 38 [2018-10-26 22:18:58,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:18:58,751 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 90 transitions. [2018-10-26 22:18:58,751 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 22:18:58,751 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 90 transitions. [2018-10-26 22:18:58,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-26 22:18:58,754 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:18:58,755 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] [2018-10-26 22:18:58,755 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:18:58,755 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:18:58,755 INFO L82 PathProgramCache]: Analyzing trace with hash 1008905161, now seen corresponding path program 1 times [2018-10-26 22:18:58,756 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:18:58,759 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:18:58,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:18:58,761 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:18:58,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:18:58,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:18:59,010 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:18:59,011 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:18:59,011 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 22:18:59,020 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:18:59,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:18:59,062 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:18:59,115 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 22:18:59,145 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 22:18:59,145 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2018-10-26 22:18:59,145 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 22:18:59,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 22:18:59,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-10-26 22:18:59,146 INFO L87 Difference]: Start difference. First operand 78 states and 90 transitions. Second operand 6 states. [2018-10-26 22:18:59,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:18:59,567 INFO L93 Difference]: Finished difference Result 261 states and 323 transitions. [2018-10-26 22:18:59,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-26 22:18:59,568 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2018-10-26 22:18:59,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:18:59,572 INFO L225 Difference]: With dead ends: 261 [2018-10-26 22:18:59,572 INFO L226 Difference]: Without dead ends: 217 [2018-10-26 22:18:59,573 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-10-26 22:18:59,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2018-10-26 22:18:59,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 116. [2018-10-26 22:18:59,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-10-26 22:18:59,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 133 transitions. [2018-10-26 22:18:59,604 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 133 transitions. Word has length 54 [2018-10-26 22:18:59,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:18:59,604 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 133 transitions. [2018-10-26 22:18:59,604 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 22:18:59,604 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 133 transitions. [2018-10-26 22:18:59,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-26 22:18:59,606 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:18:59,607 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] [2018-10-26 22:18:59,607 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:18:59,607 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:18:59,608 INFO L82 PathProgramCache]: Analyzing trace with hash 1053032348, now seen corresponding path program 1 times [2018-10-26 22:18:59,608 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:18:59,608 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:18:59,609 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:18:59,609 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:18:59,609 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:18:59,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:18:59,778 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:18:59,778 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:18:59,779 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 [2018-10-26 22:18:59,789 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:18:59,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:18:59,822 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:18:59,982 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 [2018-10-26 22:18:59,989 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 [2018-10-26 22:18:59,990 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:18:59,991 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:18:59,995 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:18:59,995 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2018-10-26 22:19:00,040 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-26 22:19:00,072 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 22:19:00,072 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [5] total 11 [2018-10-26 22:19:00,073 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-26 22:19:00,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-26 22:19:00,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2018-10-26 22:19:00,074 INFO L87 Difference]: Start difference. First operand 116 states and 133 transitions. Second operand 11 states. [2018-10-26 22:19:00,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:19:00,790 INFO L93 Difference]: Finished difference Result 236 states and 279 transitions. [2018-10-26 22:19:00,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-26 22:19:00,795 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 61 [2018-10-26 22:19:00,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:19:00,796 INFO L225 Difference]: With dead ends: 236 [2018-10-26 22:19:00,797 INFO L226 Difference]: Without dead ends: 153 [2018-10-26 22:19:00,798 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 [2018-10-26 22:19:00,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-10-26 22:19:00,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 137. [2018-10-26 22:19:00,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-10-26 22:19:00,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 157 transitions. [2018-10-26 22:19:00,810 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 157 transitions. Word has length 61 [2018-10-26 22:19:00,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:19:00,811 INFO L481 AbstractCegarLoop]: Abstraction has 137 states and 157 transitions. [2018-10-26 22:19:00,811 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-26 22:19:00,811 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 157 transitions. [2018-10-26 22:19:00,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-26 22:19:00,813 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:19:00,813 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] [2018-10-26 22:19:00,814 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:19:00,814 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:19:00,814 INFO L82 PathProgramCache]: Analyzing trace with hash -2097353364, now seen corresponding path program 1 times [2018-10-26 22:19:00,814 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:19:00,814 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:19:00,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:19:00,815 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:19:00,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:19:00,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:19:00,973 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 22:19:00,973 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:19:00,973 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 [2018-10-26 22:19:00,982 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:19:01,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:19:01,041 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:19:01,680 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 [2018-10-26 22:19:01,684 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 [2018-10-26 22:19:01,684 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:19:01,693 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:19:01,695 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:19:01,695 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:4 [2018-10-26 22:19:01,723 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-10-26 22:19:01,745 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 22:19:01,745 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 12 [2018-10-26 22:19:01,745 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-26 22:19:01,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-26 22:19:01,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2018-10-26 22:19:01,746 INFO L87 Difference]: Start difference. First operand 137 states and 157 transitions. Second operand 12 states. [2018-10-26 22:19:02,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:19:02,635 INFO L93 Difference]: Finished difference Result 405 states and 484 transitions. [2018-10-26 22:19:02,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-26 22:19:02,636 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 69 [2018-10-26 22:19:02,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:19:02,638 INFO L225 Difference]: With dead ends: 405 [2018-10-26 22:19:02,638 INFO L226 Difference]: Without dead ends: 305 [2018-10-26 22:19:02,639 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=85, Invalid=377, Unknown=0, NotChecked=0, Total=462 [2018-10-26 22:19:02,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2018-10-26 22:19:02,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 164. [2018-10-26 22:19:02,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2018-10-26 22:19:02,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 188 transitions. [2018-10-26 22:19:02,657 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 188 transitions. Word has length 69 [2018-10-26 22:19:02,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:19:02,657 INFO L481 AbstractCegarLoop]: Abstraction has 164 states and 188 transitions. [2018-10-26 22:19:02,657 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-26 22:19:02,658 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 188 transitions. [2018-10-26 22:19:02,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-26 22:19:02,660 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:19:02,660 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] [2018-10-26 22:19:02,660 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:19:02,661 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:19:02,661 INFO L82 PathProgramCache]: Analyzing trace with hash -694944423, now seen corresponding path program 1 times [2018-10-26 22:19:02,661 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:19:02,661 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:19:02,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:19:02,662 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:19:02,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:19:02,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:19:02,898 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 3 proven. 44 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 22:19:02,898 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:19:02,898 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 [2018-10-26 22:19:02,908 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:19:02,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:19:02,944 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:19:02,998 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-10-26 22:19:03,019 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 22:19:03,020 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2018-10-26 22:19:03,021 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-26 22:19:03,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-26 22:19:03,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-10-26 22:19:03,022 INFO L87 Difference]: Start difference. First operand 164 states and 188 transitions. Second operand 10 states. [2018-10-26 22:19:04,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:19:04,874 INFO L93 Difference]: Finished difference Result 825 states and 985 transitions. [2018-10-26 22:19:04,875 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-10-26 22:19:04,875 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 76 [2018-10-26 22:19:04,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:19:04,880 INFO L225 Difference]: With dead ends: 825 [2018-10-26 22:19:04,881 INFO L226 Difference]: Without dead ends: 689 [2018-10-26 22:19:04,882 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=77, Invalid=523, Unknown=0, NotChecked=0, Total=600 [2018-10-26 22:19:04,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2018-10-26 22:19:04,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 193. [2018-10-26 22:19:04,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2018-10-26 22:19:04,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 221 transitions. [2018-10-26 22:19:04,909 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 221 transitions. Word has length 76 [2018-10-26 22:19:04,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:19:04,909 INFO L481 AbstractCegarLoop]: Abstraction has 193 states and 221 transitions. [2018-10-26 22:19:04,909 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-26 22:19:04,909 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 221 transitions. [2018-10-26 22:19:04,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-26 22:19:04,911 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:19:04,912 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] [2018-10-26 22:19:04,912 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:19:04,912 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:19:04,912 INFO L82 PathProgramCache]: Analyzing trace with hash -1181534606, now seen corresponding path program 2 times [2018-10-26 22:19:04,913 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:19:04,913 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:19:04,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:19:04,914 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:19:04,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:19:04,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:19:05,133 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-10-26 22:19:05,133 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:19:05,133 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 [2018-10-26 22:19:05,162 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-10-26 22:19:05,263 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-10-26 22:19:05,263 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-26 22:19:05,267 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:19:05,318 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-10-26 22:19:05,339 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 22:19:05,339 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2018-10-26 22:19:05,340 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 22:19:05,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 22:19:05,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-26 22:19:05,340 INFO L87 Difference]: Start difference. First operand 193 states and 221 transitions. Second operand 6 states. [2018-10-26 22:19:06,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:19:06,158 INFO L93 Difference]: Finished difference Result 938 states and 1096 transitions. [2018-10-26 22:19:06,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 22:19:06,159 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 87 [2018-10-26 22:19:06,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:19:06,164 INFO L225 Difference]: With dead ends: 938 [2018-10-26 22:19:06,165 INFO L226 Difference]: Without dead ends: 778 [2018-10-26 22:19:06,166 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 [2018-10-26 22:19:06,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2018-10-26 22:19:06,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 198. [2018-10-26 22:19:06,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2018-10-26 22:19:06,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 226 transitions. [2018-10-26 22:19:06,192 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 226 transitions. Word has length 87 [2018-10-26 22:19:06,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:19:06,192 INFO L481 AbstractCegarLoop]: Abstraction has 198 states and 226 transitions. [2018-10-26 22:19:06,193 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 22:19:06,193 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 226 transitions. [2018-10-26 22:19:06,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-26 22:19:06,194 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:19:06,194 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] [2018-10-26 22:19:06,195 INFO L424 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:19:06,198 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:19:06,198 INFO L82 PathProgramCache]: Analyzing trace with hash 742649039, now seen corresponding path program 3 times [2018-10-26 22:19:06,198 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:19:06,198 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:19:06,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:19:06,199 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-26 22:19:06,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:19:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:19:06,915 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-10-26 22:19:06,915 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:19:06,915 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 [2018-10-26 22:19:06,931 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-10-26 22:19:07,057 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-10-26 22:19:07,057 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-26 22:19:07,066 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:19:07,240 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-10-26 22:19:07,265 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 22:19:07,265 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2018-10-26 22:19:07,265 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-26 22:19:07,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-26 22:19:07,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-10-26 22:19:07,266 INFO L87 Difference]: Start difference. First operand 198 states and 226 transitions. Second operand 10 states. [2018-10-26 22:19:10,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:19:10,133 INFO L93 Difference]: Finished difference Result 1616 states and 1887 transitions. [2018-10-26 22:19:10,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-10-26 22:19:10,133 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 92 [2018-10-26 22:19:10,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:19:10,141 INFO L225 Difference]: With dead ends: 1616 [2018-10-26 22:19:10,142 INFO L226 Difference]: Without dead ends: 1456 [2018-10-26 22:19:10,143 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2018-10-26 22:19:10,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1456 states. [2018-10-26 22:19:10,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1456 to 274. [2018-10-26 22:19:10,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2018-10-26 22:19:10,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 314 transitions. [2018-10-26 22:19:10,188 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 314 transitions. Word has length 92 [2018-10-26 22:19:10,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:19:10,188 INFO L481 AbstractCegarLoop]: Abstraction has 274 states and 314 transitions. [2018-10-26 22:19:10,188 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-26 22:19:10,188 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 314 transitions. [2018-10-26 22:19:10,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-26 22:19:10,190 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:19:10,190 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] [2018-10-26 22:19:10,190 INFO L424 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:19:10,190 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:19:10,190 INFO L82 PathProgramCache]: Analyzing trace with hash 648462843, now seen corresponding path program 4 times [2018-10-26 22:19:10,190 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:19:10,191 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:19:10,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:19:10,192 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-26 22:19:10,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:19:10,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:19:10,458 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 3 proven. 70 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-10-26 22:19:10,458 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:19:10,458 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 [2018-10-26 22:19:10,467 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-10-26 22:19:10,499 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-10-26 22:19:10,499 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-26 22:19:10,503 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:19:10,769 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 [2018-10-26 22:19:10,771 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 [2018-10-26 22:19:10,772 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:19:10,773 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:19:10,774 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:19:10,774 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:4 [2018-10-26 22:19:10,816 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-10-26 22:19:10,837 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 22:19:10,837 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 17 [2018-10-26 22:19:10,838 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-10-26 22:19:10,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-10-26 22:19:10,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2018-10-26 22:19:10,839 INFO L87 Difference]: Start difference. First operand 274 states and 314 transitions. Second operand 17 states. [2018-10-26 22:19:14,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:19:14,147 INFO L93 Difference]: Finished difference Result 1038 states and 1233 transitions. [2018-10-26 22:19:14,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-10-26 22:19:14,147 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 100 [2018-10-26 22:19:14,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:19:14,152 INFO L225 Difference]: With dead ends: 1038 [2018-10-26 22:19:14,152 INFO L226 Difference]: Without dead ends: 881 [2018-10-26 22:19:14,154 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 571 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=255, Invalid=2195, Unknown=0, NotChecked=0, Total=2450 [2018-10-26 22:19:14,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 881 states. [2018-10-26 22:19:14,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 881 to 395. [2018-10-26 22:19:14,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2018-10-26 22:19:14,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 455 transitions. [2018-10-26 22:19:14,203 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 455 transitions. Word has length 100 [2018-10-26 22:19:14,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:19:14,203 INFO L481 AbstractCegarLoop]: Abstraction has 395 states and 455 transitions. [2018-10-26 22:19:14,204 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-10-26 22:19:14,204 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 455 transitions. [2018-10-26 22:19:14,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-26 22:19:14,206 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:19:14,206 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] [2018-10-26 22:19:14,207 INFO L424 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:19:14,207 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:19:14,207 INFO L82 PathProgramCache]: Analyzing trace with hash 63795456, now seen corresponding path program 1 times [2018-10-26 22:19:14,207 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:19:14,207 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:19:14,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:19:14,208 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-26 22:19:14,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:19:14,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:19:15,020 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 3 proven. 102 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2018-10-26 22:19:15,020 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:19:15,020 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 [2018-10-26 22:19:15,035 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:19:15,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:19:15,099 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:19:15,480 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 209 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-10-26 22:19:15,501 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 22:19:15,501 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 17] total 24 [2018-10-26 22:19:15,501 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-10-26 22:19:15,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-10-26 22:19:15,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=500, Unknown=0, NotChecked=0, Total=552 [2018-10-26 22:19:15,502 INFO L87 Difference]: Start difference. First operand 395 states and 455 transitions. Second operand 24 states. [2018-10-26 22:19:27,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:19:27,322 INFO L93 Difference]: Finished difference Result 2571 states and 3048 transitions. [2018-10-26 22:19:27,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2018-10-26 22:19:27,322 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 144 [2018-10-26 22:19:27,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:19:27,331 INFO L225 Difference]: With dead ends: 2571 [2018-10-26 22:19:27,332 INFO L226 Difference]: Without dead ends: 2303 [2018-10-26 22:19:27,337 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5103 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=547, Invalid=14459, Unknown=0, NotChecked=0, Total=15006 [2018-10-26 22:19:27,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2303 states. [2018-10-26 22:19:27,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2303 to 1335. [2018-10-26 22:19:27,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1335 states. [2018-10-26 22:19:27,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 1335 states and 1566 transitions. [2018-10-26 22:19:27,476 INFO L78 Accepts]: Start accepts. Automaton has 1335 states and 1566 transitions. Word has length 144 [2018-10-26 22:19:27,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:19:27,477 INFO L481 AbstractCegarLoop]: Abstraction has 1335 states and 1566 transitions. [2018-10-26 22:19:27,477 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-10-26 22:19:27,477 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 1566 transitions. [2018-10-26 22:19:27,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-26 22:19:27,481 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:19:27,481 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] [2018-10-26 22:19:27,481 INFO L424 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:19:27,481 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:19:27,481 INFO L82 PathProgramCache]: Analyzing trace with hash 330790560, now seen corresponding path program 2 times [2018-10-26 22:19:27,482 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:19:27,482 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:19:27,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:19:27,483 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:19:27,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:19:27,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:19:27,820 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 3 proven. 140 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2018-10-26 22:19:27,820 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:19:27,820 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 [2018-10-26 22:19:27,828 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-10-26 22:19:27,941 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-10-26 22:19:27,941 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-26 22:19:27,945 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:19:28,314 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 285 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-10-26 22:19:28,335 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 22:19:28,335 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 19] total 27 [2018-10-26 22:19:28,335 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-10-26 22:19:28,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-10-26 22:19:28,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=643, Unknown=0, NotChecked=0, Total=702 [2018-10-26 22:19:28,336 INFO L87 Difference]: Start difference. First operand 1335 states and 1566 transitions. Second operand 27 states. [2018-10-26 22:19:41,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:19:41,451 INFO L93 Difference]: Finished difference Result 4588 states and 5443 transitions. [2018-10-26 22:19:41,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2018-10-26 22:19:41,452 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 156 [2018-10-26 22:19:41,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:19:41,465 INFO L225 Difference]: With dead ends: 4588 [2018-10-26 22:19:41,465 INFO L226 Difference]: Without dead ends: 3503 [2018-10-26 22:19:41,473 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 [2018-10-26 22:19:41,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3503 states. [2018-10-26 22:19:41,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3503 to 1699. [2018-10-26 22:19:41,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1699 states. [2018-10-26 22:19:41,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1699 states to 1699 states and 1992 transitions. [2018-10-26 22:19:41,702 INFO L78 Accepts]: Start accepts. Automaton has 1699 states and 1992 transitions. Word has length 156 [2018-10-26 22:19:41,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:19:41,703 INFO L481 AbstractCegarLoop]: Abstraction has 1699 states and 1992 transitions. [2018-10-26 22:19:41,703 INFO L482 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-10-26 22:19:41,703 INFO L276 IsEmpty]: Start isEmpty. Operand 1699 states and 1992 transitions. [2018-10-26 22:19:41,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-26 22:19:41,708 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:19:41,708 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] [2018-10-26 22:19:41,708 INFO L424 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:19:41,708 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:19:41,709 INFO L82 PathProgramCache]: Analyzing trace with hash 716776768, now seen corresponding path program 3 times [2018-10-26 22:19:41,709 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:19:41,709 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:19:41,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:19:41,710 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-26 22:19:41,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:19:41,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:19:42,017 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 3 proven. 184 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2018-10-26 22:19:42,017 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:19:42,017 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 [2018-10-26 22:19:42,025 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-10-26 22:19:42,718 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2018-10-26 22:19:42,718 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-26 22:19:42,722 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:19:42,836 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2018-10-26 22:19:42,857 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 22:19:42,857 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8] total 17 [2018-10-26 22:19:42,858 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-10-26 22:19:42,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-10-26 22:19:42,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2018-10-26 22:19:42,859 INFO L87 Difference]: Start difference. First operand 1699 states and 1992 transitions. Second operand 17 states. [2018-10-26 22:19:48,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:19:48,587 INFO L93 Difference]: Finished difference Result 9578 states and 11381 transitions. [2018-10-26 22:19:48,587 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2018-10-26 22:19:48,587 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 168 [2018-10-26 22:19:48,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:19:48,609 INFO L225 Difference]: With dead ends: 9578 [2018-10-26 22:19:48,609 INFO L226 Difference]: Without dead ends: 7922 [2018-10-26 22:19:48,614 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 216 SyntacticMatches, 1 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1431 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=247, Invalid=4723, Unknown=0, NotChecked=0, Total=4970 [2018-10-26 22:19:48,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7922 states. [2018-10-26 22:19:48,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7922 to 1758. [2018-10-26 22:19:48,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1758 states. [2018-10-26 22:19:48,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1758 states to 1758 states and 2044 transitions. [2018-10-26 22:19:48,860 INFO L78 Accepts]: Start accepts. Automaton has 1758 states and 2044 transitions. Word has length 168 [2018-10-26 22:19:48,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:19:48,860 INFO L481 AbstractCegarLoop]: Abstraction has 1758 states and 2044 transitions. [2018-10-26 22:19:48,861 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-10-26 22:19:48,861 INFO L276 IsEmpty]: Start isEmpty. Operand 1758 states and 2044 transitions. [2018-10-26 22:19:48,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-10-26 22:19:48,864 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:19:48,865 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] [2018-10-26 22:19:48,865 INFO L424 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:19:48,865 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:19:48,865 INFO L82 PathProgramCache]: Analyzing trace with hash -679187815, now seen corresponding path program 4 times [2018-10-26 22:19:48,865 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:19:48,866 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:19:48,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:19:48,866 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-26 22:19:48,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:19:48,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:19:49,121 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 3 proven. 234 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2018-10-26 22:19:49,121 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:19:49,121 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 [2018-10-26 22:19:49,130 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-10-26 22:19:49,187 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-10-26 22:19:49,188 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-26 22:19:49,191 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:19:49,305 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2018-10-26 22:19:49,325 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 22:19:49,325 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9] total 19 [2018-10-26 22:19:49,326 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-10-26 22:19:49,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-10-26 22:19:49,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2018-10-26 22:19:49,327 INFO L87 Difference]: Start difference. First operand 1758 states and 2044 transitions. Second operand 19 states. [2018-10-26 22:19:57,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:19:57,480 INFO L93 Difference]: Finished difference Result 11133 states and 13128 transitions. [2018-10-26 22:19:57,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2018-10-26 22:19:57,480 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 179 [2018-10-26 22:19:57,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:19:57,508 INFO L225 Difference]: With dead ends: 11133 [2018-10-26 22:19:57,508 INFO L226 Difference]: Without dead ends: 9423 [2018-10-26 22:19:57,514 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2415 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=315, Invalid=7517, Unknown=0, NotChecked=0, Total=7832 [2018-10-26 22:19:57,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9423 states. [2018-10-26 22:19:57,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9423 to 1871. [2018-10-26 22:19:57,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1871 states. [2018-10-26 22:19:57,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1871 states to 1871 states and 2175 transitions. [2018-10-26 22:19:57,865 INFO L78 Accepts]: Start accepts. Automaton has 1871 states and 2175 transitions. Word has length 179 [2018-10-26 22:19:57,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:19:57,865 INFO L481 AbstractCegarLoop]: Abstraction has 1871 states and 2175 transitions. [2018-10-26 22:19:57,866 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-10-26 22:19:57,866 INFO L276 IsEmpty]: Start isEmpty. Operand 1871 states and 2175 transitions. [2018-10-26 22:19:57,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-10-26 22:19:57,870 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:19:57,870 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] [2018-10-26 22:19:57,870 INFO L424 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:19:57,871 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:19:57,871 INFO L82 PathProgramCache]: Analyzing trace with hash 1096951628, now seen corresponding path program 5 times [2018-10-26 22:19:57,871 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:19:57,871 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:19:57,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:19:57,872 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-26 22:19:57,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:19:57,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:19:59,175 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2018-10-26 22:19:59,175 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:19:59,175 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 [2018-10-26 22:19:59,184 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-10-26 22:21:00,425 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2018-10-26 22:21:00,425 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-26 22:21:00,660 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:21:00,691 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2018-10-26 22:21:00,712 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 22:21:00,713 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2018-10-26 22:21:00,713 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-26 22:21:00,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-26 22:21:00,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-10-26 22:21:00,714 INFO L87 Difference]: Start difference. First operand 1871 states and 2175 transitions. Second operand 10 states. [2018-10-26 22:21:02,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:21:02,748 INFO L93 Difference]: Finished difference Result 11998 states and 14036 transitions. [2018-10-26 22:21:02,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-26 22:21:02,749 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 190 [2018-10-26 22:21:02,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:21:02,782 INFO L225 Difference]: With dead ends: 11998 [2018-10-26 22:21:02,782 INFO L226 Difference]: Without dead ends: 10180 [2018-10-26 22:21:02,786 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 190 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-10-26 22:21:02,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10180 states. [2018-10-26 22:21:03,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10180 to 1876. [2018-10-26 22:21:03,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1876 states. [2018-10-26 22:21:03,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1876 states to 1876 states and 2180 transitions. [2018-10-26 22:21:03,079 INFO L78 Accepts]: Start accepts. Automaton has 1876 states and 2180 transitions. Word has length 190 [2018-10-26 22:21:03,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:21:03,079 INFO L481 AbstractCegarLoop]: Abstraction has 1876 states and 2180 transitions. [2018-10-26 22:21:03,079 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-26 22:21:03,080 INFO L276 IsEmpty]: Start isEmpty. Operand 1876 states and 2180 transitions. [2018-10-26 22:21:03,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-10-26 22:21:03,084 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:21:03,084 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] [2018-10-26 22:21:03,084 INFO L424 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:21:03,084 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:21:03,085 INFO L82 PathProgramCache]: Analyzing trace with hash 1127717455, now seen corresponding path program 6 times [2018-10-26 22:21:03,085 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:21:03,085 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:21:03,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:21:03,086 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-26 22:21:03,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:21:03,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:21:03,586 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2018-10-26 22:21:03,587 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:21:03,587 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 [2018-10-26 22:21:03,595 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-10-26 22:21:05,655 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2018-10-26 22:21:05,655 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-26 22:21:05,660 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:21:05,695 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2018-10-26 22:21:05,718 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 22:21:05,718 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2018-10-26 22:21:05,718 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-26 22:21:05,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-26 22:21:05,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-10-26 22:21:05,719 INFO L87 Difference]: Start difference. First operand 1876 states and 2180 transitions. Second operand 11 states. [2018-10-26 22:21:08,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:21:08,201 INFO L93 Difference]: Finished difference Result 13082 states and 15307 transitions. [2018-10-26 22:21:08,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-26 22:21:08,201 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 195 [2018-10-26 22:21:08,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:21:08,219 INFO L225 Difference]: With dead ends: 13082 [2018-10-26 22:21:08,219 INFO L226 Difference]: Without dead ends: 11264 [2018-10-26 22:21:08,224 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 195 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-10-26 22:21:08,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11264 states. [2018-10-26 22:21:08,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11264 to 1881. [2018-10-26 22:21:08,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1881 states. [2018-10-26 22:21:08,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1881 states to 1881 states and 2185 transitions. [2018-10-26 22:21:08,596 INFO L78 Accepts]: Start accepts. Automaton has 1881 states and 2185 transitions. Word has length 195 [2018-10-26 22:21:08,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:21:08,597 INFO L481 AbstractCegarLoop]: Abstraction has 1881 states and 2185 transitions. [2018-10-26 22:21:08,597 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-26 22:21:08,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1881 states and 2185 transitions. [2018-10-26 22:21:08,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-10-26 22:21:08,600 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:21:08,600 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] [2018-10-26 22:21:08,600 INFO L424 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:21:08,600 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:21:08,601 INFO L82 PathProgramCache]: Analyzing trace with hash 1626378540, now seen corresponding path program 7 times [2018-10-26 22:21:08,601 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:21:08,601 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:21:08,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:21:08,602 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-26 22:21:08,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:21:08,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:21:08,864 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2018-10-26 22:21:08,865 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:21:08,865 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 [2018-10-26 22:21:08,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:21:08,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:21:08,944 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:21:09,052 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2018-10-26 22:21:09,084 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 22:21:09,084 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 12 [2018-10-26 22:21:09,085 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-26 22:21:09,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-26 22:21:09,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-10-26 22:21:09,085 INFO L87 Difference]: Start difference. First operand 1881 states and 2185 transitions. Second operand 12 states. [2018-10-26 22:21:12,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:21:12,244 INFO L93 Difference]: Finished difference Result 14166 states and 16578 transitions. [2018-10-26 22:21:12,245 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-26 22:21:12,245 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 200 [2018-10-26 22:21:12,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:21:12,261 INFO L225 Difference]: With dead ends: 14166 [2018-10-26 22:21:12,261 INFO L226 Difference]: Without dead ends: 12348 [2018-10-26 22:21:12,266 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 200 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-10-26 22:21:12,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12348 states. [2018-10-26 22:21:12,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12348 to 1886. [2018-10-26 22:21:12,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1886 states. [2018-10-26 22:21:12,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1886 states to 1886 states and 2190 transitions. [2018-10-26 22:21:12,779 INFO L78 Accepts]: Start accepts. Automaton has 1886 states and 2190 transitions. Word has length 200 [2018-10-26 22:21:12,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:21:12,780 INFO L481 AbstractCegarLoop]: Abstraction has 1886 states and 2190 transitions. [2018-10-26 22:21:12,780 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-26 22:21:12,780 INFO L276 IsEmpty]: Start isEmpty. Operand 1886 states and 2190 transitions. [2018-10-26 22:21:12,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-10-26 22:21:12,783 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:21:12,784 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] [2018-10-26 22:21:12,784 INFO L424 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:21:12,784 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:21:12,784 INFO L82 PathProgramCache]: Analyzing trace with hash 1468030063, now seen corresponding path program 8 times [2018-10-26 22:21:12,785 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:21:12,785 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:21:12,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:21:12,786 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:21:12,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:21:12,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:21:14,691 WARN L179 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 20 [2018-10-26 22:21:15,295 WARN L179 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 23 [2018-10-26 22:21:17,148 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 27 [2018-10-26 22:21:17,893 INFO L134 CoverageAnalysis]: Checked inductivity of 727 backedges. 32 proven. 447 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2018-10-26 22:21:17,893 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:21:17,893 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 [2018-10-26 22:21:17,900 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-10-26 22:21:18,084 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-10-26 22:21:18,084 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-26 22:21:18,091 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:21:18,110 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 [2018-10-26 22:21:18,111 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-26 22:21:18,120 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:21:18,120 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-10-26 22:21:18,125 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,126 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,127 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 [2018-10-26 22:21:18,127 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-26 22:21:18,131 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:21:18,132 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:8 [2018-10-26 22:21:18,138 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 [2018-10-26 22:21:18,140 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 [2018-10-26 22:21:18,140 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:21:18,142 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:21:18,147 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:21:18,148 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:19, output treesize:15 [2018-10-26 22:21:18,186 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 [2018-10-26 22:21:18,191 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,192 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,193 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 [2018-10-26 22:21:18,193 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:21:18,202 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:21:18,209 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:21:18,210 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:28, output treesize:24 [2018-10-26 22:21:18,332 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 [2018-10-26 22:21:18,334 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,335 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,336 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,337 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,339 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,340 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,341 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 [2018-10-26 22:21:18,342 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:21:18,358 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:21:18,372 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:21:18,373 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:37, output treesize:33 [2018-10-26 22:21:18,464 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 [2018-10-26 22:21:18,496 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,520 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,545 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,570 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,595 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,625 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,635 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,638 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,640 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,643 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,644 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,644 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,645 INFO L303 Elim1Store]: Index analysis took 179 ms [2018-10-26 22:21:18,646 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 [2018-10-26 22:21:18,646 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:21:18,677 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:21:18,690 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:21:18,691 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:46, output treesize:42 [2018-10-26 22:21:18,748 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 [2018-10-26 22:21:18,767 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,768 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,768 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,769 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,770 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,770 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,771 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,772 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,774 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,775 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,776 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,777 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,778 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,779 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,780 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,782 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,783 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,784 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,785 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,786 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,788 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 [2018-10-26 22:21:18,789 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:21:18,839 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:21:18,854 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:21:18,855 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:55, output treesize:51 [2018-10-26 22:21:18,921 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 [2018-10-26 22:21:18,926 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,927 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,929 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,930 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,931 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,933 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,934 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,935 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,936 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,937 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,939 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,940 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,945 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,946 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,946 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,948 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,949 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,951 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,952 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,953 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,955 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,956 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,957 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,959 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,960 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,962 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,963 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,964 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,966 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,967 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:18,970 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 [2018-10-26 22:21:18,972 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:21:19,056 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:21:19,074 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:21:19,074 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:64, output treesize:60 [2018-10-26 22:21:19,147 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 [2018-10-26 22:21:19,153 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,154 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,155 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,156 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,158 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,159 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,161 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,162 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,163 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,165 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,166 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,167 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,169 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,170 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,172 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,173 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,174 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,176 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,177 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,178 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,180 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,181 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,183 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,184 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,186 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,187 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,190 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,191 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,193 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,194 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,196 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,197 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,198 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,200 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,202 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,203 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,204 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,208 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,209 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,211 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,212 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,214 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,216 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 [2018-10-26 22:21:19,218 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:21:19,362 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:21:19,394 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:21:19,394 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:73, output treesize:69 [2018-10-26 22:21:19,492 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 [2018-10-26 22:21:19,496 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,497 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,499 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,500 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,502 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,503 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,504 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,505 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,506 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,508 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,509 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,510 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,512 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,513 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,540 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,564 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,579 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,580 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,581 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,582 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,583 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,584 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,585 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,587 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,588 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,589 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,589 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,590 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,595 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,596 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,597 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,598 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,599 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,600 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,601 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,603 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,604 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,606 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,607 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,609 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,610 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,612 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,613 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,615 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,616 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,618 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,619 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,621 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,622 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,623 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,624 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,625 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,627 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,628 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,630 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,631 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,632 INFO L303 Elim1Store]: Index analysis took 137 ms [2018-10-26 22:21:19,634 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 [2018-10-26 22:21:19,636 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:21:19,827 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:21:19,850 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:21:19,851 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:82, output treesize:78 [2018-10-26 22:21:19,947 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 [2018-10-26 22:21:19,953 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,954 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,955 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,956 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,958 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,959 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,961 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,962 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,964 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,965 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,966 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,968 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,970 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,971 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,972 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,974 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,975 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,977 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,978 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,979 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,980 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,981 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,982 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,983 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,985 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,986 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,988 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,989 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,990 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,992 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,993 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,995 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,996 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,998 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:19,999 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,001 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,002 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,004 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,005 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,007 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,009 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,010 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,012 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,013 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,015 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,016 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,018 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,020 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,021 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,023 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,024 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,026 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,028 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,029 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,030 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,031 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,033 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,034 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,036 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,037 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,039 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,040 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,042 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,044 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,052 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,053 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,055 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,056 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,057 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,059 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,060 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,062 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,062 INFO L303 Elim1Store]: Index analysis took 112 ms [2018-10-26 22:21:20,065 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 [2018-10-26 22:21:20,068 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:21:20,344 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:21:20,370 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:21:20,371 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:91, output treesize:87 [2018-10-26 22:21:20,475 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 [2018-10-26 22:21:20,480 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,482 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,483 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,488 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,489 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,490 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,491 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,493 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,494 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,496 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,498 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,499 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,500 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,501 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,502 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,503 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,505 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,506 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,508 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,509 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,511 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,513 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,514 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,516 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,517 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,519 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,520 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,521 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,522 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,524 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,525 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,527 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,529 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,530 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,532 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,533 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,535 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,536 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,538 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,539 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,541 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,542 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,543 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,545 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,546 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,548 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,550 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,552 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,553 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,555 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,557 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,559 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,561 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,562 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,564 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,565 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,567 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,569 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,570 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,571 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,572 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,573 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,575 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,577 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,578 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,580 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,581 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,582 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,583 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,585 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,586 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,588 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,590 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,591 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,593 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,595 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,596 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,598 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,600 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,601 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,603 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,604 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,606 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,608 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,609 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,611 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,613 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,614 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,616 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,617 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:20,618 INFO L303 Elim1Store]: Index analysis took 140 ms [2018-10-26 22:21:20,622 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 [2018-10-26 22:21:20,624 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:21:21,063 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:21:21,289 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:21:21,290 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:100, output treesize:96 [2018-10-26 22:21:21,435 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 [2018-10-26 22:21:21,482 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,483 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,484 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,485 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,486 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,487 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,489 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,491 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,492 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,494 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,495 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,497 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,499 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,500 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,502 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,503 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,505 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,506 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,508 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,509 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,511 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,512 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,513 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,515 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,516 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,518 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,520 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,521 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,523 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,524 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,526 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,527 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,529 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,531 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,532 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,534 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,535 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,537 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,538 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,540 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,541 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,543 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,544 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,546 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,547 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,549 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,550 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,552 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,553 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,555 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,557 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,558 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,560 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,562 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,563 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,565 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,567 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,569 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,570 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,572 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,573 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,575 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,577 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,578 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,580 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,582 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,583 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,585 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,587 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,589 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,590 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,592 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,593 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,595 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,597 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,598 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,599 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,600 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,602 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,604 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,605 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,607 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,609 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,611 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,612 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,614 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,616 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,617 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,619 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,621 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,622 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,624 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,625 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,627 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,629 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,630 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,632 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,634 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,636 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,637 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,639 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,641 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,642 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,643 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,644 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,645 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,647 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,649 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,651 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,652 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:21,653 INFO L303 Elim1Store]: Index analysis took 214 ms [2018-10-26 22:21:21,655 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 [2018-10-26 22:21:21,658 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:21:22,231 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:21:22,263 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:21:22,263 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:109, output treesize:105 [2018-10-26 22:21:22,560 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 [2018-10-26 22:21:22,563 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 [2018-10-26 22:21:22,564 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:21:22,599 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:21:22,687 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:21:22,687 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:123, output treesize:108 [2018-10-26 22:21:22,823 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 [2018-10-26 22:21:22,827 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 [2018-10-26 22:21:22,827 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:21:22,859 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:21:22,896 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:21:22,896 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:123, output treesize:108 [2018-10-26 22:21:23,040 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 [2018-10-26 22:21:23,044 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 [2018-10-26 22:21:23,044 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:21:23,077 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:21:23,118 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:21:23,119 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:123, output treesize:108 [2018-10-26 22:21:23,269 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 [2018-10-26 22:21:23,275 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 [2018-10-26 22:21:23,275 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:21:23,350 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:21:23,393 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:21:23,393 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:123, output treesize:108 [2018-10-26 22:21:23,543 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 [2018-10-26 22:21:23,547 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 [2018-10-26 22:21:23,547 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:21:23,578 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:21:23,619 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:21:23,620 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:123, output treesize:108 [2018-10-26 22:21:23,773 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 [2018-10-26 22:21:23,778 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 [2018-10-26 22:21:23,778 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:21:23,810 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:21:23,853 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:21:23,853 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:123, output treesize:108 [2018-10-26 22:21:24,003 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 [2018-10-26 22:21:24,008 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 [2018-10-26 22:21:24,008 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:21:24,048 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:21:24,089 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:21:24,090 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:123, output treesize:108 [2018-10-26 22:21:24,310 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 [2018-10-26 22:21:24,313 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 [2018-10-26 22:21:24,313 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:21:24,348 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:21:24,384 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:21:24,384 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:123, output treesize:108 [2018-10-26 22:21:24,728 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 [2018-10-26 22:21:24,732 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 [2018-10-26 22:21:24,732 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:21:24,767 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:21:24,803 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:21:24,804 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:118, output treesize:105 [2018-10-26 22:21:24,815 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 [2018-10-26 22:21:24,819 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 [2018-10-26 22:21:24,819 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:21:24,928 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:21:24,966 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:21:24,967 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:120, output treesize:105 [2018-10-26 22:21:24,982 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 [2018-10-26 22:21:24,987 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 [2018-10-26 22:21:24,987 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:21:25,017 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:21:25,055 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:21:25,055 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:118, output treesize:114 [2018-10-26 22:21:31,007 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 [2018-10-26 22:21:31,011 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,011 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 [2018-10-26 22:21:31,011 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:21:31,052 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,053 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,053 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,054 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,055 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,055 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,056 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,057 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,059 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,060 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,061 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,062 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,063 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,064 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,065 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,067 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,068 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,069 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,070 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,071 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,072 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,073 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,074 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,076 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,077 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,078 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,079 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,080 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,081 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,082 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,083 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,085 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,086 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,087 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,088 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,089 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,090 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,091 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,092 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,094 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,095 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,096 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,097 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,098 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,099 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,100 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,101 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,103 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,104 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,105 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,106 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,107 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,108 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,109 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,110 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,112 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,113 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,114 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,116 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,117 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,118 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,119 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,121 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,122 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,123 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,124 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,126 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,127 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,128 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,129 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,131 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,132 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,133 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,134 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,136 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,137 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,138 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,139 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,141 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,142 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,143 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,144 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,145 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,147 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,148 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,149 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,150 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,152 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,153 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,154 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,155 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,157 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,158 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,159 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,160 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,162 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,163 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,164 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,165 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,167 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,168 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,169 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,170 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,172 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,173 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,174 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,175 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,177 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,178 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,179 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:21:31,179 INFO L303 Elim1Store]: Index analysis took 131 ms [2018-10-26 22:21:31,183 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 [2018-10-26 22:21:31,185 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-26 22:21:31,392 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:21:31,398 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:21:31,398 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:138, output treesize:7 [2018-10-26 22:21:32,126 INFO L134 CoverageAnalysis]: Checked inductivity of 727 backedges. 82 proven. 635 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 22:21:32,147 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 22:21:32,147 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 51] total 82 [2018-10-26 22:21:32,148 INFO L460 AbstractCegarLoop]: Interpolant automaton has 82 states [2018-10-26 22:21:32,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2018-10-26 22:21:32,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=911, Invalid=5731, Unknown=0, NotChecked=0, Total=6642 [2018-10-26 22:21:32,150 INFO L87 Difference]: Start difference. First operand 1886 states and 2190 transitions. Second operand 82 states. [2018-10-26 22:21:38,833 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2018-10-26 22:21:39,097 WARN L179 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 87 [2018-10-26 22:21:44,347 WARN L179 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 86 [2018-10-26 22:21:44,967 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2018-10-26 22:21:45,737 WARN L179 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2018-10-26 22:21:46,026 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2018-10-26 22:21:56,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:21:56,925 INFO L93 Difference]: Finished difference Result 22181 states and 25986 transitions. [2018-10-26 22:21:56,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2018-10-26 22:21:56,927 INFO L78 Accepts]: Start accepts. Automaton has 82 states. Word has length 205 [2018-10-26 22:21:56,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:21:56,954 INFO L225 Difference]: With dead ends: 22181 [2018-10-26 22:21:56,954 INFO L226 Difference]: Without dead ends: 21549 [2018-10-26 22:21:56,959 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 157 SyntacticMatches, 23 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4974 ImplicationChecksByTransitivity, 20.0s TimeCoverageRelationStatistics Valid=3158, Invalid=18598, Unknown=0, NotChecked=0, Total=21756 [2018-10-26 22:21:56,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21549 states. [2018-10-26 22:21:57,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21549 to 3391. [2018-10-26 22:21:57,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3391 states. [2018-10-26 22:21:57,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3391 states to 3391 states and 3906 transitions. [2018-10-26 22:21:57,738 INFO L78 Accepts]: Start accepts. Automaton has 3391 states and 3906 transitions. Word has length 205 [2018-10-26 22:21:57,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:21:57,738 INFO L481 AbstractCegarLoop]: Abstraction has 3391 states and 3906 transitions. [2018-10-26 22:21:57,738 INFO L482 AbstractCegarLoop]: Interpolant automaton has 82 states. [2018-10-26 22:21:57,738 INFO L276 IsEmpty]: Start isEmpty. Operand 3391 states and 3906 transitions. [2018-10-26 22:21:57,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-10-26 22:21:57,744 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:21:57,744 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] [2018-10-26 22:21:57,744 INFO L424 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:21:57,744 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:21:57,745 INFO L82 PathProgramCache]: Analyzing trace with hash 580746739, now seen corresponding path program 1 times [2018-10-26 22:21:57,745 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:21:57,745 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:21:57,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:21:57,746 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-26 22:21:57,746 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:21:57,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:21:59,328 INFO L134 CoverageAnalysis]: Checked inductivity of 727 backedges. 0 proven. 467 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2018-10-26 22:21:59,329 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:21:59,329 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 [2018-10-26 22:21:59,336 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:21:59,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:21:59,405 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:22:00,033 INFO L134 CoverageAnalysis]: Checked inductivity of 727 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-26 22:22:00,054 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 22:22:00,054 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 29] total 37 [2018-10-26 22:22:00,054 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-10-26 22:22:00,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-10-26 22:22:00,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=1244, Unknown=0, NotChecked=0, Total=1332 [2018-10-26 22:22:00,055 INFO L87 Difference]: Start difference. First operand 3391 states and 3906 transitions. Second operand 37 states. Received shutdown request... [2018-10-26 22:23:06,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 516 states. [2018-10-26 22:23:06,617 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-26 22:23:06,621 WARN L205 ceAbstractionStarter]: Timeout [2018-10-26 22:23:06,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 10:23:06 BoogieIcfgContainer [2018-10-26 22:23:06,622 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 22:23:06,622 INFO L168 Benchmark]: Toolchain (without parser) took 251240.68 ms. Allocated memory was 1.6 GB in the beginning and 3.0 GB in the end (delta: 1.4 GB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -743.4 MB). Peak memory consumption was 701.5 MB. Max. memory is 7.1 GB. [2018-10-26 22:23:06,623 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-26 22:23:06,623 INFO L168 Benchmark]: CACSL2BoogieTranslator took 370.86 ms. Allocated memory is still 1.6 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. [2018-10-26 22:23:06,624 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.30 ms. Allocated memory is still 1.6 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-26 22:23:06,624 INFO L168 Benchmark]: Boogie Preprocessor took 33.23 ms. Allocated memory is still 1.6 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-26 22:23:06,624 INFO L168 Benchmark]: RCFGBuilder took 686.09 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 750.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -780.4 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2018-10-26 22:23:06,625 INFO L168 Benchmark]: TraceAbstraction took 250095.19 ms. Allocated memory was 2.3 GB in the beginning and 3.0 GB in the end (delta: 694.7 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 26.4 MB). Peak memory consumption was 721.1 MB. Max. memory is 7.1 GB. [2018-10-26 22:23:06,628 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 370.86 ms. Allocated memory is still 1.6 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 50.30 ms. Allocated memory is still 1.6 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 33.23 ms. Allocated memory is still 1.6 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 686.09 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 750.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -780.4 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 250095.19 ms. Allocated memory was 2.3 GB in the beginning and 3.0 GB in the end (delta: 694.7 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 26.4 MB). Peak memory consumption was 721.1 MB. 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 BasicCegarLoop was constructing difference of abstraction (3391states) and FLOYD_HOARE automaton (currently 516 states, 37 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 525 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 59 locations, 1 error locations. TIMEOUT Result, 250.0s OverallTime, 19 OverallIterations, 11 TraceHistogramMax, 150.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 9401 SDtfs, 17538 SDslu, 183642 SDs, 0 SdLazy, 124014 SolverSat, 2688 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 82.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3624 GetRequests, 2322 SyntacticMatches, 30 SemanticMatches, 1271 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146027 ImplicationChecksByTransitivity, 49.9s 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: 3.1s AutomataMinimizationTime, 18 MinimizatonAttempts, 65947 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 65.3s SatisfiabilityAnalysisTime, 29.5s InterpolantComputationTime, 4498 NumberOfCodeBlocks, 4405 NumberOfCodeBlocksAsserted, 69 NumberOfCheckSat, 4462 ConstructedInterpolants, 1 QuantifiedInterpolants, 7224330 SizeOfPredicates, 70 NumberOfNonLiveVariables, 4047 ConjunctsInSsa, 505 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