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-d380424 [2018-10-24 11:45:19,852 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 11:45:19,855 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 11:45:19,871 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 11:45:19,871 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 11:45:19,873 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 11:45:19,875 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 11:45:19,878 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 11:45:19,880 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 11:45:19,882 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 11:45:19,883 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 11:45:19,884 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 11:45:19,886 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 11:45:19,888 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 11:45:19,890 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 11:45:19,890 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 11:45:19,891 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 11:45:19,900 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 11:45:19,902 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 11:45:19,904 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 11:45:19,906 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 11:45:19,908 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 11:45:19,912 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 11:45:19,920 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-10-24 11:45:19,943 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 11:45:19,944 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 11:45:19,945 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 11:45:19,945 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-24 11:45:19,945 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-24 11:45:19,945 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-24 11:45:19,946 INFO L133 SettingsManager]: * Use SBE=true [2018-10-24 11:45:19,947 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 11:45:19,947 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 11:45:19,947 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 11:45:19,947 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 11:45:19,947 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 11:45:19,948 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 11:45:19,948 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 11:45:19,948 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 11:45:19,949 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 11:45:19,949 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 11:45:19,949 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 11:45:19,949 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 11:45:19,949 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 11:45:19,949 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 11:45:19,950 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 11:45:19,950 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 11:45:19,950 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-24 11:45:19,950 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 11:45:19,950 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 11:45:19,951 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 11:45:19,952 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 11:45:20,007 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 11:45:20,025 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 11:45:20,029 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 11:45:20,031 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 11:45:20,031 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 11:45:20,032 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/loops/vogal_false-unreach-call.i [2018-10-24 11:45:20,111 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/acba55a24/02e7e4c943f34dd19d4f8b98d9063e40/FLAGa33263e96 [2018-10-24 11:45:20,605 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 11:45:20,607 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/vogal_false-unreach-call.i [2018-10-24 11:45:20,614 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/acba55a24/02e7e4c943f34dd19d4f8b98d9063e40/FLAGa33263e96 [2018-10-24 11:45:20,634 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/acba55a24/02e7e4c943f34dd19d4f8b98d9063e40 [2018-10-24 11:45:20,647 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 11:45:20,649 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 11:45:20,650 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 11:45:20,651 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 11:45:20,656 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 11:45:20,657 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:45:20" (1/1) ... [2018-10-24 11:45:20,660 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d7077a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:45:20, skipping insertion in model container [2018-10-24 11:45:20,660 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:45:20" (1/1) ... [2018-10-24 11:45:20,671 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 11:45:20,698 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 11:45:20,909 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 11:45:20,914 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 11:45:20,966 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 11:45:20,998 INFO L193 MainTranslator]: Completed translation [2018-10-24 11:45:20,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:45:20 WrapperNode [2018-10-24 11:45:20,999 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 11:45:21,001 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 11:45:21,001 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 11:45:21,001 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 11:45:21,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:45:20" (1/1) ... [2018-10-24 11:45:21,026 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:45:20" (1/1) ... [2018-10-24 11:45:21,060 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 11:45:21,060 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 11:45:21,060 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 11:45:21,060 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 11:45:21,073 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:45:20" (1/1) ... [2018-10-24 11:45:21,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:45:20" (1/1) ... [2018-10-24 11:45:21,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:45:20" (1/1) ... [2018-10-24 11:45:21,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:45:20" (1/1) ... [2018-10-24 11:45:21,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:45:20" (1/1) ... [2018-10-24 11:45:21,111 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:45:20" (1/1) ... [2018-10-24 11:45:21,115 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:45:20" (1/1) ... [2018-10-24 11:45:21,123 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 11:45:21,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 11:45:21,124 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 11:45:21,124 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 11:45:21,125 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:45:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 11:45:21,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-10-24 11:45:21,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-24 11:45:21,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 11:45:21,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 11:45:21,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-10-24 11:45:21,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-10-24 11:45:21,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-24 11:45:21,799 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 11:45:21,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:45:21 BoogieIcfgContainer [2018-10-24 11:45:21,800 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 11:45:21,801 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 11:45:21,801 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 11:45:21,804 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 11:45:21,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:45:20" (1/3) ... [2018-10-24 11:45:21,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f85029a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:45:21, skipping insertion in model container [2018-10-24 11:45:21,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:45:20" (2/3) ... [2018-10-24 11:45:21,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f85029a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:45:21, skipping insertion in model container [2018-10-24 11:45:21,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:45:21" (3/3) ... [2018-10-24 11:45:21,808 INFO L112 eAbstractionObserver]: Analyzing ICFG vogal_false-unreach-call.i [2018-10-24 11:45:21,818 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 11:45:21,828 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 11:45:21,845 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 11:45:21,880 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-24 11:45:21,881 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 11:45:21,881 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 11:45:21,881 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 11:45:21,881 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 11:45:21,881 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 11:45:21,881 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 11:45:21,882 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 11:45:21,882 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 11:45:21,900 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2018-10-24 11:45:21,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-24 11:45:21,908 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 11:45:21,909 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] [2018-10-24 11:45:21,911 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 11:45:21,917 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 11:45:21,918 INFO L82 PathProgramCache]: Analyzing trace with hash -339704674, now seen corresponding path program 1 times [2018-10-24 11:45:21,920 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 11:45:21,921 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 11:45:21,975 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:45:21,975 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 11:45:21,975 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:45:22,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 11:45:22,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 11:45:22,105 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 11:45:22,105 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-24 11:45:22,108 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-24 11:45:22,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-24 11:45:22,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-24 11:45:22,126 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 2 states. [2018-10-24 11:45:22,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 11:45:22,148 INFO L93 Difference]: Finished difference Result 97 states and 123 transitions. [2018-10-24 11:45:22,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-24 11:45:22,150 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 27 [2018-10-24 11:45:22,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 11:45:22,164 INFO L225 Difference]: With dead ends: 97 [2018-10-24 11:45:22,164 INFO L226 Difference]: Without dead ends: 51 [2018-10-24 11:45:22,169 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 [2018-10-24 11:45:22,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-10-24 11:45:22,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-10-24 11:45:22,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-10-24 11:45:22,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 58 transitions. [2018-10-24 11:45:22,213 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 58 transitions. Word has length 27 [2018-10-24 11:45:22,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 11:45:22,215 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 58 transitions. [2018-10-24 11:45:22,215 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-24 11:45:22,215 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2018-10-24 11:45:22,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-24 11:45:22,218 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 11:45:22,218 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] [2018-10-24 11:45:22,218 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 11:45:22,219 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 11:45:22,219 INFO L82 PathProgramCache]: Analyzing trace with hash 726923163, now seen corresponding path program 1 times [2018-10-24 11:45:22,219 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 11:45:22,219 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 11:45:22,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:45:22,221 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 11:45:22,221 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:45:22,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 11:45:22,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 11:45:22,345 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 11:45:22,346 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 11:45:22,349 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 11:45:22,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 11:45:22,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 11:45:22,350 INFO L87 Difference]: Start difference. First operand 51 states and 58 transitions. Second operand 3 states. [2018-10-24 11:45:22,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 11:45:22,580 INFO L93 Difference]: Finished difference Result 110 states and 129 transitions. [2018-10-24 11:45:22,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 11:45:22,581 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2018-10-24 11:45:22,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 11:45:22,583 INFO L225 Difference]: With dead ends: 110 [2018-10-24 11:45:22,583 INFO L226 Difference]: Without dead ends: 80 [2018-10-24 11:45:22,584 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 11:45:22,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-10-24 11:45:22,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 53. [2018-10-24 11:45:22,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-10-24 11:45:22,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 60 transitions. [2018-10-24 11:45:22,592 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 60 transitions. Word has length 33 [2018-10-24 11:45:22,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 11:45:22,593 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 60 transitions. [2018-10-24 11:45:22,593 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 11:45:22,593 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2018-10-24 11:45:22,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-24 11:45:22,594 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 11:45:22,595 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] [2018-10-24 11:45:22,595 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 11:45:22,595 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 11:45:22,595 INFO L82 PathProgramCache]: Analyzing trace with hash -185760328, now seen corresponding path program 1 times [2018-10-24 11:45:22,596 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 11:45:22,596 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 11:45:22,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:45:22,597 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 11:45:22,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:45:22,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 11:45:22,701 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 11:45:22,702 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 11:45:22,702 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 11:45:22,713 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 11:45:22,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 11:45:22,751 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 11:45:22,957 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-24 11:45:22,985 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 11:45:22,986 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2018-10-24 11:45:22,986 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-24 11:45:22,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-24 11:45:22,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-10-24 11:45:22,988 INFO L87 Difference]: Start difference. First operand 53 states and 60 transitions. Second operand 7 states. [2018-10-24 11:45:23,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 11:45:23,947 INFO L93 Difference]: Finished difference Result 237 states and 284 transitions. [2018-10-24 11:45:23,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-10-24 11:45:23,948 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 38 [2018-10-24 11:45:23,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 11:45:23,951 INFO L225 Difference]: With dead ends: 237 [2018-10-24 11:45:23,951 INFO L226 Difference]: Without dead ends: 201 [2018-10-24 11:45:23,952 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2018-10-24 11:45:23,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2018-10-24 11:45:23,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 78. [2018-10-24 11:45:23,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-10-24 11:45:23,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 90 transitions. [2018-10-24 11:45:23,967 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 90 transitions. Word has length 38 [2018-10-24 11:45:23,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 11:45:23,967 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 90 transitions. [2018-10-24 11:45:23,968 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-24 11:45:23,968 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 90 transitions. [2018-10-24 11:45:23,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-24 11:45:23,970 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 11:45:23,970 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] [2018-10-24 11:45:23,970 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 11:45:23,971 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 11:45:23,971 INFO L82 PathProgramCache]: Analyzing trace with hash 1008905161, now seen corresponding path program 1 times [2018-10-24 11:45:23,971 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 11:45:23,971 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 11:45:23,972 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:45:23,973 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 11:45:23,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:45:24,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 11:45:24,299 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-24 11:45:24,300 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 11:45:24,301 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 11:45:24,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 11:45:24,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 11:45:24,349 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 11:45:24,396 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-24 11:45:24,424 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 11:45:24,425 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2018-10-24 11:45:24,425 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 11:45:24,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 11:45:24,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-10-24 11:45:24,426 INFO L87 Difference]: Start difference. First operand 78 states and 90 transitions. Second operand 6 states. [2018-10-24 11:45:25,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 11:45:25,166 INFO L93 Difference]: Finished difference Result 261 states and 323 transitions. [2018-10-24 11:45:25,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-24 11:45:25,166 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2018-10-24 11:45:25,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 11:45:25,169 INFO L225 Difference]: With dead ends: 261 [2018-10-24 11:45:25,169 INFO L226 Difference]: Without dead ends: 217 [2018-10-24 11:45:25,170 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 [2018-10-24 11:45:25,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2018-10-24 11:45:25,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 116. [2018-10-24 11:45:25,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-10-24 11:45:25,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 133 transitions. [2018-10-24 11:45:25,191 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 133 transitions. Word has length 54 [2018-10-24 11:45:25,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 11:45:25,192 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 133 transitions. [2018-10-24 11:45:25,192 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 11:45:25,192 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 133 transitions. [2018-10-24 11:45:25,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-24 11:45:25,195 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 11:45:25,195 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] [2018-10-24 11:45:25,196 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 11:45:25,196 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 11:45:25,196 INFO L82 PathProgramCache]: Analyzing trace with hash 1053032348, now seen corresponding path program 1 times [2018-10-24 11:45:25,196 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 11:45:25,196 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 11:45:25,198 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:45:25,198 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 11:45:25,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:45:25,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 11:45:25,440 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-24 11:45:25,440 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 11:45:25,441 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 11:45:25,448 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 11:45:25,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 11:45:25,490 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 11:45:25,693 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 [2018-10-24 11:45:25,697 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 [2018-10-24 11:45:25,697 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 11:45:25,701 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:45:25,703 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:45:25,704 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2018-10-24 11:45:25,743 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-24 11:45:25,774 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 11:45:25,774 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [5] total 11 [2018-10-24 11:45:25,775 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-24 11:45:25,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-24 11:45:25,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2018-10-24 11:45:25,776 INFO L87 Difference]: Start difference. First operand 116 states and 133 transitions. Second operand 11 states. [2018-10-24 11:45:26,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 11:45:26,516 INFO L93 Difference]: Finished difference Result 236 states and 279 transitions. [2018-10-24 11:45:26,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-24 11:45:26,517 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 61 [2018-10-24 11:45:26,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 11:45:26,518 INFO L225 Difference]: With dead ends: 236 [2018-10-24 11:45:26,519 INFO L226 Difference]: Without dead ends: 153 [2018-10-24 11:45:26,520 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 [2018-10-24 11:45:26,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-10-24 11:45:26,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 137. [2018-10-24 11:45:26,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-10-24 11:45:26,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 157 transitions. [2018-10-24 11:45:26,534 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 157 transitions. Word has length 61 [2018-10-24 11:45:26,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 11:45:26,535 INFO L481 AbstractCegarLoop]: Abstraction has 137 states and 157 transitions. [2018-10-24 11:45:26,535 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-24 11:45:26,535 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 157 transitions. [2018-10-24 11:45:26,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-24 11:45:26,538 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 11:45:26,538 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] [2018-10-24 11:45:26,539 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 11:45:26,539 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 11:45:26,539 INFO L82 PathProgramCache]: Analyzing trace with hash -2097353364, now seen corresponding path program 1 times [2018-10-24 11:45:26,539 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 11:45:26,539 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 11:45:26,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:45:26,541 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 11:45:26,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:45:26,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 11:45:26,718 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-24 11:45:26,719 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 11:45:26,719 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 [2018-10-24 11:45:26,729 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 11:45:26,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 11:45:26,763 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 11:45:26,914 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 [2018-10-24 11:45:26,918 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 [2018-10-24 11:45:26,919 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 11:45:26,924 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:45:26,929 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:45:26,929 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:4 [2018-10-24 11:45:26,961 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-10-24 11:45:26,981 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-24 11:45:26,982 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 12 [2018-10-24 11:45:26,982 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-24 11:45:26,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-24 11:45:26,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2018-10-24 11:45:26,984 INFO L87 Difference]: Start difference. First operand 137 states and 157 transitions. Second operand 12 states. [2018-10-24 11:45:27,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 11:45:27,915 INFO L93 Difference]: Finished difference Result 405 states and 484 transitions. [2018-10-24 11:45:27,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-24 11:45:27,922 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 69 [2018-10-24 11:45:27,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 11:45:27,924 INFO L225 Difference]: With dead ends: 405 [2018-10-24 11:45:27,924 INFO L226 Difference]: Without dead ends: 305 [2018-10-24 11:45:27,926 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=85, Invalid=377, Unknown=0, NotChecked=0, Total=462 [2018-10-24 11:45:27,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2018-10-24 11:45:27,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 164. [2018-10-24 11:45:27,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2018-10-24 11:45:27,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 188 transitions. [2018-10-24 11:45:27,951 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 188 transitions. Word has length 69 [2018-10-24 11:45:27,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 11:45:27,956 INFO L481 AbstractCegarLoop]: Abstraction has 164 states and 188 transitions. [2018-10-24 11:45:27,956 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-24 11:45:27,957 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 188 transitions. [2018-10-24 11:45:27,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-24 11:45:27,958 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 11:45:27,962 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] [2018-10-24 11:45:27,963 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 11:45:27,963 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 11:45:27,963 INFO L82 PathProgramCache]: Analyzing trace with hash -694944423, now seen corresponding path program 1 times [2018-10-24 11:45:27,963 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 11:45:27,963 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 11:45:27,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:45:27,965 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 11:45:27,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:45:27,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 11:45:28,624 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 3 proven. 44 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-24 11:45:28,625 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 11:45:28,625 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 [2018-10-24 11:45:28,634 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 11:45:28,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 11:45:28,680 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 11:45:28,973 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-10-24 11:45:28,995 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-24 11:45:28,996 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2018-10-24 11:45:28,996 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-24 11:45:28,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-24 11:45:28,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-10-24 11:45:28,997 INFO L87 Difference]: Start difference. First operand 164 states and 188 transitions. Second operand 10 states. [2018-10-24 11:45:30,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 11:45:30,737 INFO L93 Difference]: Finished difference Result 825 states and 985 transitions. [2018-10-24 11:45:30,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-10-24 11:45:30,737 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 76 [2018-10-24 11:45:30,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 11:45:30,744 INFO L225 Difference]: With dead ends: 825 [2018-10-24 11:45:30,744 INFO L226 Difference]: Without dead ends: 689 [2018-10-24 11:45:30,749 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=77, Invalid=523, Unknown=0, NotChecked=0, Total=600 [2018-10-24 11:45:30,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2018-10-24 11:45:30,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 193. [2018-10-24 11:45:30,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2018-10-24 11:45:30,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 221 transitions. [2018-10-24 11:45:30,797 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 221 transitions. Word has length 76 [2018-10-24 11:45:30,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 11:45:30,798 INFO L481 AbstractCegarLoop]: Abstraction has 193 states and 221 transitions. [2018-10-24 11:45:30,801 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-24 11:45:30,802 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 221 transitions. [2018-10-24 11:45:30,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-24 11:45:30,808 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 11:45:30,808 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] [2018-10-24 11:45:30,808 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 11:45:30,809 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 11:45:30,810 INFO L82 PathProgramCache]: Analyzing trace with hash -1181534606, now seen corresponding path program 2 times [2018-10-24 11:45:30,810 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 11:45:30,810 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 11:45:30,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:45:30,811 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 11:45:30,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:45:30,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 11:45:31,052 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-10-24 11:45:31,052 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 11:45:31,053 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 [2018-10-24 11:45:31,063 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-10-24 11:45:31,159 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-10-24 11:45:31,160 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-24 11:45:31,164 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 11:45:31,190 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-10-24 11:45:31,212 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-24 11:45:31,212 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2018-10-24 11:45:31,212 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 11:45:31,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 11:45:31,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-24 11:45:31,213 INFO L87 Difference]: Start difference. First operand 193 states and 221 transitions. Second operand 6 states. [2018-10-24 11:45:31,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 11:45:31,827 INFO L93 Difference]: Finished difference Result 938 states and 1096 transitions. [2018-10-24 11:45:31,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-24 11:45:31,834 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 87 [2018-10-24 11:45:31,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 11:45:31,838 INFO L225 Difference]: With dead ends: 938 [2018-10-24 11:45:31,838 INFO L226 Difference]: Without dead ends: 778 [2018-10-24 11:45:31,839 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 [2018-10-24 11:45:31,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2018-10-24 11:45:31,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 198. [2018-10-24 11:45:31,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2018-10-24 11:45:31,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 226 transitions. [2018-10-24 11:45:31,862 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 226 transitions. Word has length 87 [2018-10-24 11:45:31,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 11:45:31,863 INFO L481 AbstractCegarLoop]: Abstraction has 198 states and 226 transitions. [2018-10-24 11:45:31,863 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 11:45:31,863 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 226 transitions. [2018-10-24 11:45:31,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-24 11:45:31,864 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 11:45:31,864 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] [2018-10-24 11:45:31,864 INFO L424 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 11:45:31,865 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 11:45:31,865 INFO L82 PathProgramCache]: Analyzing trace with hash 742649039, now seen corresponding path program 3 times [2018-10-24 11:45:31,865 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 11:45:31,865 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 11:45:31,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:45:31,866 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-24 11:45:31,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:45:31,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 11:45:32,530 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-10-24 11:45:32,530 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 11:45:32,530 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 [2018-10-24 11:45:32,542 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-10-24 11:45:32,632 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-10-24 11:45:32,632 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-24 11:45:32,636 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 11:45:32,695 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-10-24 11:45:32,728 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-24 11:45:32,728 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2018-10-24 11:45:32,729 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-24 11:45:32,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-24 11:45:32,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-10-24 11:45:32,730 INFO L87 Difference]: Start difference. First operand 198 states and 226 transitions. Second operand 10 states. [2018-10-24 11:45:35,329 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-10-24 11:45:35,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 11:45:35,650 INFO L93 Difference]: Finished difference Result 1616 states and 1887 transitions. [2018-10-24 11:45:35,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-10-24 11:45:35,651 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 92 [2018-10-24 11:45:35,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 11:45:35,661 INFO L225 Difference]: With dead ends: 1616 [2018-10-24 11:45:35,661 INFO L226 Difference]: Without dead ends: 1456 [2018-10-24 11:45:35,662 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2018-10-24 11:45:35,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1456 states. [2018-10-24 11:45:35,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1456 to 274. [2018-10-24 11:45:35,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2018-10-24 11:45:35,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 314 transitions. [2018-10-24 11:45:35,702 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 314 transitions. Word has length 92 [2018-10-24 11:45:35,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 11:45:35,703 INFO L481 AbstractCegarLoop]: Abstraction has 274 states and 314 transitions. [2018-10-24 11:45:35,703 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-24 11:45:35,703 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 314 transitions. [2018-10-24 11:45:35,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-24 11:45:35,704 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 11:45:35,705 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] [2018-10-24 11:45:35,705 INFO L424 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 11:45:35,705 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 11:45:35,705 INFO L82 PathProgramCache]: Analyzing trace with hash 648462843, now seen corresponding path program 4 times [2018-10-24 11:45:35,705 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 11:45:35,706 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 11:45:35,706 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:45:35,707 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-24 11:45:35,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:45:35,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 11:45:36,032 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 3 proven. 70 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-10-24 11:45:36,032 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 11:45:36,032 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 [2018-10-24 11:45:36,048 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-10-24 11:45:36,107 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-10-24 11:45:36,107 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-24 11:45:36,114 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 11:45:36,471 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 [2018-10-24 11:45:36,473 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 [2018-10-24 11:45:36,473 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 11:45:36,474 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:45:36,475 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:45:36,475 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:4 [2018-10-24 11:45:36,507 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-10-24 11:45:36,528 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-24 11:45:36,528 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 17 [2018-10-24 11:45:36,529 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-10-24 11:45:36,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-10-24 11:45:36,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2018-10-24 11:45:36,530 INFO L87 Difference]: Start difference. First operand 274 states and 314 transitions. Second operand 17 states. [2018-10-24 11:45:39,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 11:45:39,911 INFO L93 Difference]: Finished difference Result 1038 states and 1233 transitions. [2018-10-24 11:45:39,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-10-24 11:45:39,912 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 100 [2018-10-24 11:45:39,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 11:45:39,916 INFO L225 Difference]: With dead ends: 1038 [2018-10-24 11:45:39,916 INFO L226 Difference]: Without dead ends: 881 [2018-10-24 11:45:39,918 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 571 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=255, Invalid=2195, Unknown=0, NotChecked=0, Total=2450 [2018-10-24 11:45:39,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 881 states. [2018-10-24 11:45:39,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 881 to 395. [2018-10-24 11:45:39,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2018-10-24 11:45:39,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 455 transitions. [2018-10-24 11:45:39,969 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 455 transitions. Word has length 100 [2018-10-24 11:45:39,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 11:45:39,970 INFO L481 AbstractCegarLoop]: Abstraction has 395 states and 455 transitions. [2018-10-24 11:45:39,970 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-10-24 11:45:39,970 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 455 transitions. [2018-10-24 11:45:39,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-24 11:45:39,972 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 11:45:39,972 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] [2018-10-24 11:45:39,972 INFO L424 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 11:45:39,973 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 11:45:39,973 INFO L82 PathProgramCache]: Analyzing trace with hash 63795456, now seen corresponding path program 1 times [2018-10-24 11:45:39,973 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 11:45:39,973 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 11:45:39,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:45:39,974 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-24 11:45:39,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:45:39,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 11:45:40,716 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 3 proven. 102 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2018-10-24 11:45:40,717 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 11:45:40,717 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) [2018-10-24 11:45:40,734 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 11:45:40,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 11:45:40,794 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 11:45:41,397 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 209 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-10-24 11:45:41,418 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-24 11:45:41,418 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 17] total 24 [2018-10-24 11:45:41,418 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-10-24 11:45:41,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-10-24 11:45:41,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=500, Unknown=0, NotChecked=0, Total=552 [2018-10-24 11:45:41,419 INFO L87 Difference]: Start difference. First operand 395 states and 455 transitions. Second operand 24 states. [2018-10-24 11:45:50,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 11:45:50,858 INFO L93 Difference]: Finished difference Result 2571 states and 3048 transitions. [2018-10-24 11:45:50,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2018-10-24 11:45:50,859 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 144 [2018-10-24 11:45:50,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 11:45:50,867 INFO L225 Difference]: With dead ends: 2571 [2018-10-24 11:45:50,867 INFO L226 Difference]: Without dead ends: 2303 [2018-10-24 11:45:50,872 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5103 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=547, Invalid=14459, Unknown=0, NotChecked=0, Total=15006 [2018-10-24 11:45:50,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2303 states. [2018-10-24 11:45:51,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2303 to 1335. [2018-10-24 11:45:51,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1335 states. [2018-10-24 11:45:51,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 1335 states and 1566 transitions. [2018-10-24 11:45:51,030 INFO L78 Accepts]: Start accepts. Automaton has 1335 states and 1566 transitions. Word has length 144 [2018-10-24 11:45:51,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 11:45:51,030 INFO L481 AbstractCegarLoop]: Abstraction has 1335 states and 1566 transitions. [2018-10-24 11:45:51,030 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-10-24 11:45:51,030 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 1566 transitions. [2018-10-24 11:45:51,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-24 11:45:51,034 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 11:45:51,034 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] [2018-10-24 11:45:51,034 INFO L424 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 11:45:51,035 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 11:45:51,035 INFO L82 PathProgramCache]: Analyzing trace with hash 330790560, now seen corresponding path program 2 times [2018-10-24 11:45:51,035 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 11:45:51,035 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 11:45:51,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:45:51,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 11:45:51,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:45:51,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 11:45:51,459 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 3 proven. 140 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2018-10-24 11:45:51,459 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 11:45:51,459 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 [2018-10-24 11:45:51,467 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-10-24 11:45:51,584 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-10-24 11:45:51,584 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-24 11:45:51,588 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 11:45:52,032 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 285 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-10-24 11:45:52,053 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-24 11:45:52,053 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 19] total 27 [2018-10-24 11:45:52,054 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-10-24 11:45:52,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-10-24 11:45:52,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=643, Unknown=0, NotChecked=0, Total=702 [2018-10-24 11:45:52,055 INFO L87 Difference]: Start difference. First operand 1335 states and 1566 transitions. Second operand 27 states. [2018-10-24 11:46:00,791 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-10-24 11:46:05,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 11:46:05,343 INFO L93 Difference]: Finished difference Result 4588 states and 5443 transitions. [2018-10-24 11:46:05,344 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2018-10-24 11:46:05,344 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 156 [2018-10-24 11:46:05,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 11:46:05,357 INFO L225 Difference]: With dead ends: 4588 [2018-10-24 11:46:05,357 INFO L226 Difference]: Without dead ends: 3503 [2018-10-24 11:46:05,365 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 358 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8648 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=704, Invalid=23476, Unknown=0, NotChecked=0, Total=24180 [2018-10-24 11:46:05,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3503 states. [2018-10-24 11:46:05,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3503 to 1699. [2018-10-24 11:46:05,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1699 states. [2018-10-24 11:46:05,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1699 states to 1699 states and 1992 transitions. [2018-10-24 11:46:05,555 INFO L78 Accepts]: Start accepts. Automaton has 1699 states and 1992 transitions. Word has length 156 [2018-10-24 11:46:05,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 11:46:05,555 INFO L481 AbstractCegarLoop]: Abstraction has 1699 states and 1992 transitions. [2018-10-24 11:46:05,555 INFO L482 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-10-24 11:46:05,556 INFO L276 IsEmpty]: Start isEmpty. Operand 1699 states and 1992 transitions. [2018-10-24 11:46:05,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-24 11:46:05,560 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 11:46:05,560 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] [2018-10-24 11:46:05,561 INFO L424 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 11:46:05,561 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 11:46:05,561 INFO L82 PathProgramCache]: Analyzing trace with hash 716776768, now seen corresponding path program 3 times [2018-10-24 11:46:05,561 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 11:46:05,561 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 11:46:05,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:46:05,562 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-24 11:46:05,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:46:05,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 11:46:05,867 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 3 proven. 184 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2018-10-24 11:46:05,868 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 11:46:05,868 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 [2018-10-24 11:46:05,875 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-10-24 11:46:06,579 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2018-10-24 11:46:06,579 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-24 11:46:06,583 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 11:46:06,921 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2018-10-24 11:46:06,951 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-24 11:46:06,951 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8] total 17 [2018-10-24 11:46:06,952 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-10-24 11:46:06,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-10-24 11:46:06,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2018-10-24 11:46:06,952 INFO L87 Difference]: Start difference. First operand 1699 states and 1992 transitions. Second operand 17 states. [2018-10-24 11:46:12,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 11:46:12,747 INFO L93 Difference]: Finished difference Result 9578 states and 11381 transitions. [2018-10-24 11:46:12,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2018-10-24 11:46:12,747 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 168 [2018-10-24 11:46:12,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 11:46:12,769 INFO L225 Difference]: With dead ends: 9578 [2018-10-24 11:46:12,770 INFO L226 Difference]: Without dead ends: 7922 [2018-10-24 11:46:12,775 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 216 SyntacticMatches, 1 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1431 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=247, Invalid=4723, Unknown=0, NotChecked=0, Total=4970 [2018-10-24 11:46:12,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7922 states. [2018-10-24 11:46:13,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7922 to 1758. [2018-10-24 11:46:13,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1758 states. [2018-10-24 11:46:13,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1758 states to 1758 states and 2044 transitions. [2018-10-24 11:46:13,059 INFO L78 Accepts]: Start accepts. Automaton has 1758 states and 2044 transitions. Word has length 168 [2018-10-24 11:46:13,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 11:46:13,060 INFO L481 AbstractCegarLoop]: Abstraction has 1758 states and 2044 transitions. [2018-10-24 11:46:13,060 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-10-24 11:46:13,060 INFO L276 IsEmpty]: Start isEmpty. Operand 1758 states and 2044 transitions. [2018-10-24 11:46:13,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-10-24 11:46:13,064 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 11:46:13,065 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] [2018-10-24 11:46:13,065 INFO L424 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 11:46:13,065 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 11:46:13,065 INFO L82 PathProgramCache]: Analyzing trace with hash -679187815, now seen corresponding path program 4 times [2018-10-24 11:46:13,065 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 11:46:13,065 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 11:46:13,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:46:13,066 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-24 11:46:13,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:46:13,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 11:46:13,318 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 3 proven. 234 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2018-10-24 11:46:13,319 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 11:46:13,319 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 [2018-10-24 11:46:13,328 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-10-24 11:46:13,387 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-10-24 11:46:13,388 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-24 11:46:13,391 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 11:46:13,510 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2018-10-24 11:46:13,530 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-24 11:46:13,530 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9] total 19 [2018-10-24 11:46:13,531 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-10-24 11:46:13,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-10-24 11:46:13,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2018-10-24 11:46:13,532 INFO L87 Difference]: Start difference. First operand 1758 states and 2044 transitions. Second operand 19 states. [2018-10-24 11:46:21,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 11:46:21,464 INFO L93 Difference]: Finished difference Result 11133 states and 13128 transitions. [2018-10-24 11:46:21,464 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2018-10-24 11:46:21,464 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 179 [2018-10-24 11:46:21,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 11:46:21,490 INFO L225 Difference]: With dead ends: 11133 [2018-10-24 11:46:21,491 INFO L226 Difference]: Without dead ends: 9423 [2018-10-24 11:46:21,496 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2415 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=315, Invalid=7517, Unknown=0, NotChecked=0, Total=7832 [2018-10-24 11:46:21,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9423 states. [2018-10-24 11:46:21,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9423 to 1871. [2018-10-24 11:46:21,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1871 states. [2018-10-24 11:46:21,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1871 states to 1871 states and 2175 transitions. [2018-10-24 11:46:21,805 INFO L78 Accepts]: Start accepts. Automaton has 1871 states and 2175 transitions. Word has length 179 [2018-10-24 11:46:21,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 11:46:21,805 INFO L481 AbstractCegarLoop]: Abstraction has 1871 states and 2175 transitions. [2018-10-24 11:46:21,805 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-10-24 11:46:21,805 INFO L276 IsEmpty]: Start isEmpty. Operand 1871 states and 2175 transitions. [2018-10-24 11:46:21,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-10-24 11:46:21,810 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 11:46:21,810 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] [2018-10-24 11:46:21,810 INFO L424 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 11:46:21,811 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 11:46:21,811 INFO L82 PathProgramCache]: Analyzing trace with hash 1096951628, now seen corresponding path program 5 times [2018-10-24 11:46:21,811 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 11:46:21,811 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 11:46:21,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:46:21,812 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-24 11:46:21,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:46:21,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 11:46:22,146 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2018-10-24 11:46:22,146 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 11:46:22,146 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 [2018-10-24 11:46:22,153 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-10-24 11:47:27,765 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2018-10-24 11:47:27,766 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-24 11:47:36,915 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 11:47:36,939 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2018-10-24 11:47:36,945 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-24 11:47:36,945 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2018-10-24 11:47:36,946 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-24 11:47:36,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-24 11:47:36,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-10-24 11:47:36,946 INFO L87 Difference]: Start difference. First operand 1871 states and 2175 transitions. Second operand 10 states. [2018-10-24 11:47:38,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 11:47:38,859 INFO L93 Difference]: Finished difference Result 11998 states and 14036 transitions. [2018-10-24 11:47:38,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-24 11:47:38,859 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 190 [2018-10-24 11:47:38,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 11:47:38,876 INFO L225 Difference]: With dead ends: 11998 [2018-10-24 11:47:38,877 INFO L226 Difference]: Without dead ends: 10180 [2018-10-24 11:47:38,881 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 190 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-10-24 11:47:38,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10180 states. [2018-10-24 11:47:39,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10180 to 1876. [2018-10-24 11:47:39,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1876 states. [2018-10-24 11:47:39,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1876 states to 1876 states and 2180 transitions. [2018-10-24 11:47:39,208 INFO L78 Accepts]: Start accepts. Automaton has 1876 states and 2180 transitions. Word has length 190 [2018-10-24 11:47:39,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 11:47:39,208 INFO L481 AbstractCegarLoop]: Abstraction has 1876 states and 2180 transitions. [2018-10-24 11:47:39,208 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-24 11:47:39,209 INFO L276 IsEmpty]: Start isEmpty. Operand 1876 states and 2180 transitions. [2018-10-24 11:47:39,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-10-24 11:47:39,213 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 11:47:39,213 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] [2018-10-24 11:47:39,213 INFO L424 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 11:47:39,214 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 11:47:39,214 INFO L82 PathProgramCache]: Analyzing trace with hash 1127717455, now seen corresponding path program 6 times [2018-10-24 11:47:39,214 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 11:47:39,214 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 11:47:39,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:47:39,215 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-24 11:47:39,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:47:39,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 11:47:39,485 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2018-10-24 11:47:39,485 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 11:47:39,486 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 [2018-10-24 11:47:39,492 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-10-24 11:47:41,557 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2018-10-24 11:47:41,557 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-24 11:47:41,563 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 11:47:41,594 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2018-10-24 11:47:41,616 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-24 11:47:41,616 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2018-10-24 11:47:41,617 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-24 11:47:41,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-24 11:47:41,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-10-24 11:47:41,617 INFO L87 Difference]: Start difference. First operand 1876 states and 2180 transitions. Second operand 11 states. [2018-10-24 11:47:44,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 11:47:44,052 INFO L93 Difference]: Finished difference Result 13082 states and 15307 transitions. [2018-10-24 11:47:44,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-24 11:47:44,053 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 195 [2018-10-24 11:47:44,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 11:47:44,071 INFO L225 Difference]: With dead ends: 13082 [2018-10-24 11:47:44,072 INFO L226 Difference]: Without dead ends: 11264 [2018-10-24 11:47:44,077 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 195 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-10-24 11:47:44,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11264 states. [2018-10-24 11:47:44,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11264 to 1881. [2018-10-24 11:47:44,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1881 states. [2018-10-24 11:47:44,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1881 states to 1881 states and 2185 transitions. [2018-10-24 11:47:44,434 INFO L78 Accepts]: Start accepts. Automaton has 1881 states and 2185 transitions. Word has length 195 [2018-10-24 11:47:44,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 11:47:44,434 INFO L481 AbstractCegarLoop]: Abstraction has 1881 states and 2185 transitions. [2018-10-24 11:47:44,434 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-24 11:47:44,434 INFO L276 IsEmpty]: Start isEmpty. Operand 1881 states and 2185 transitions. [2018-10-24 11:47:44,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-10-24 11:47:44,438 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 11:47:44,438 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] [2018-10-24 11:47:44,438 INFO L424 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 11:47:44,438 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 11:47:44,439 INFO L82 PathProgramCache]: Analyzing trace with hash 1626378540, now seen corresponding path program 7 times [2018-10-24 11:47:44,439 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 11:47:44,439 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 11:47:44,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:47:44,440 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-24 11:47:44,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:47:44,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 11:47:45,051 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2018-10-24 11:47:45,051 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 11:47:45,051 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 [2018-10-24 11:47:45,058 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 11:47:45,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 11:47:45,131 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 11:47:45,279 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2018-10-24 11:47:45,312 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-24 11:47:45,312 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 12 [2018-10-24 11:47:45,313 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-24 11:47:45,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-24 11:47:45,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-10-24 11:47:45,314 INFO L87 Difference]: Start difference. First operand 1881 states and 2185 transitions. Second operand 12 states. [2018-10-24 11:47:48,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 11:47:48,355 INFO L93 Difference]: Finished difference Result 14166 states and 16578 transitions. [2018-10-24 11:47:48,356 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-24 11:47:48,356 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 200 [2018-10-24 11:47:48,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 11:47:48,374 INFO L225 Difference]: With dead ends: 14166 [2018-10-24 11:47:48,375 INFO L226 Difference]: Without dead ends: 12348 [2018-10-24 11:47:48,380 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 200 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-10-24 11:47:48,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12348 states. [2018-10-24 11:47:48,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12348 to 1886. [2018-10-24 11:47:48,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1886 states. [2018-10-24 11:47:48,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1886 states to 1886 states and 2190 transitions. [2018-10-24 11:47:48,921 INFO L78 Accepts]: Start accepts. Automaton has 1886 states and 2190 transitions. Word has length 200 [2018-10-24 11:47:48,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 11:47:48,921 INFO L481 AbstractCegarLoop]: Abstraction has 1886 states and 2190 transitions. [2018-10-24 11:47:48,921 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-24 11:47:48,921 INFO L276 IsEmpty]: Start isEmpty. Operand 1886 states and 2190 transitions. [2018-10-24 11:47:48,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-10-24 11:47:48,925 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 11:47:48,925 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] [2018-10-24 11:47:48,925 INFO L424 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 11:47:48,926 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 11:47:48,926 INFO L82 PathProgramCache]: Analyzing trace with hash 1468030063, now seen corresponding path program 8 times [2018-10-24 11:47:48,926 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 11:47:48,926 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 11:47:48,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:47:48,927 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 11:47:48,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:47:49,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 11:47:50,672 WARN L179 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 24 [2018-10-24 11:47:53,022 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 27 [2018-10-24 11:47:53,693 INFO L134 CoverageAnalysis]: Checked inductivity of 727 backedges. 32 proven. 447 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2018-10-24 11:47:53,694 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 11:47:53,694 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 [2018-10-24 11:47:53,702 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-10-24 11:47:53,881 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-10-24 11:47:53,882 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-24 11:47:53,889 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 11:47:53,909 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 [2018-10-24 11:47:53,910 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-24 11:47:53,919 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:47:53,919 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-10-24 11:47:53,938 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:53,941 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:53,942 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 [2018-10-24 11:47:53,942 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-24 11:47:53,948 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:47:53,948 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:8 [2018-10-24 11:47:53,961 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 [2018-10-24 11:47:53,963 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 [2018-10-24 11:47:53,963 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 11:47:53,965 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:47:53,969 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:47:53,970 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:19, output treesize:15 [2018-10-24 11:47:54,010 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 [2018-10-24 11:47:54,014 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,014 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,015 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 [2018-10-24 11:47:54,016 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 11:47:54,102 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:47:54,109 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:47:54,109 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:28, output treesize:24 [2018-10-24 11:47:54,157 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 [2018-10-24 11:47:54,159 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,160 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,161 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,162 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,163 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,164 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,165 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 [2018-10-24 11:47:54,166 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 11:47:54,181 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:47:54,192 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:47:54,192 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:37, output treesize:33 [2018-10-24 11:47:54,249 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 [2018-10-24 11:47:54,254 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,255 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,256 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,257 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,258 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,259 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,261 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,262 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,263 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,265 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,266 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,267 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,269 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 [2018-10-24 11:47:54,270 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 11:47:54,299 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:47:54,312 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:47:54,313 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:46, output treesize:42 [2018-10-24 11:47:54,414 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 [2018-10-24 11:47:54,447 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,471 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,502 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,513 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,534 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,555 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,567 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,571 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,573 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,574 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,574 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,575 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,576 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,576 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,582 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,583 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,584 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,584 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,585 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,586 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,586 INFO L303 Elim1Store]: Index analysis took 171 ms [2018-10-24 11:47:54,588 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 [2018-10-24 11:47:54,589 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 11:47:54,640 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:47:54,656 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:47:54,656 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:55, output treesize:51 [2018-10-24 11:47:54,723 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 [2018-10-24 11:47:54,727 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,727 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,728 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,730 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,731 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,732 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,734 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,735 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,736 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,738 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,739 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,740 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,742 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,743 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,744 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,746 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,747 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,749 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,750 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,752 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,753 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,754 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,756 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,757 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,759 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,760 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,762 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,763 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,764 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,766 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,768 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 [2018-10-24 11:47:54,769 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 11:47:54,855 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:47:54,873 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:47:54,874 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:64, output treesize:60 [2018-10-24 11:47:54,944 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 [2018-10-24 11:47:54,950 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,951 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,952 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,954 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,955 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,956 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,958 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,959 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,960 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,962 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,963 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,964 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,966 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,967 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,969 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,970 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,971 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,973 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,974 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,975 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,977 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,978 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,980 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,981 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,983 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,984 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,986 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,988 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,989 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,991 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,992 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,994 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,995 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,997 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:54,998 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,000 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,002 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,005 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,006 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,007 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,008 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,009 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,012 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 [2018-10-24 11:47:55,013 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 11:47:55,142 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:47:55,172 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:47:55,173 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:73, output treesize:69 [2018-10-24 11:47:55,274 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 [2018-10-24 11:47:55,306 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,308 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,311 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,312 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,313 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,314 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,314 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,316 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,317 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,318 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,320 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,321 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,322 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,324 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,325 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,327 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,328 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,330 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,331 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,332 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,334 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,335 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,337 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,338 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,340 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,341 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,342 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,344 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,346 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,348 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,350 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,351 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,353 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,354 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,356 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,358 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,359 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,360 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,362 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,364 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,365 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,367 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,368 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,370 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,371 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,373 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,374 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,376 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,377 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,379 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,380 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,382 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,383 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,385 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,386 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,388 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,388 INFO L303 Elim1Store]: Index analysis took 112 ms [2018-10-24 11:47:55,391 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 [2018-10-24 11:47:55,393 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 11:47:55,584 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:47:55,607 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:47:55,608 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:82, output treesize:78 [2018-10-24 11:47:55,704 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 [2018-10-24 11:47:55,711 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,712 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,713 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,714 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,716 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,717 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,719 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,720 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,722 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,723 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,724 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,726 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,728 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,729 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,730 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,732 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,733 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,735 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,736 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,738 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,739 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,741 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,742 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,744 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,745 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,746 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,748 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,749 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,751 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,752 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,754 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,755 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,757 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,758 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,759 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,761 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,763 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,764 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,766 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,767 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,769 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,770 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,772 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,774 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,775 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,777 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,778 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,780 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,781 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,783 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,785 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,786 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,787 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,788 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,790 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,791 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,793 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,794 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,796 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,797 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,799 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,801 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,802 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,812 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,813 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,814 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,816 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,817 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,818 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,820 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,821 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,823 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:55,823 INFO L303 Elim1Store]: Index analysis took 115 ms [2018-10-24 11:47:55,826 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 [2018-10-24 11:47:55,828 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 11:47:56,136 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:47:56,160 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:47:56,161 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:91, output treesize:87 [2018-10-24 11:47:56,262 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 [2018-10-24 11:47:56,284 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,286 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,287 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,290 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,291 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,292 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,293 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,295 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,296 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,298 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,300 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,301 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,303 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,305 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,305 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,306 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,307 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,309 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,311 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,312 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,314 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,315 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,317 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,318 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,320 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,321 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,322 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,324 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,325 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,327 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,328 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,330 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,331 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,333 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,334 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,336 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,337 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,339 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,340 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,342 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,343 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,345 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,346 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,348 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,349 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,351 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,353 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,355 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,356 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,358 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,360 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,362 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,363 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,365 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,367 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,368 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,370 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,372 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,373 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,375 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,377 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,378 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,380 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,382 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,383 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,385 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,387 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,388 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,390 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,392 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,393 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,395 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,396 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,398 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,400 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,402 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,403 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,405 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,406 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,408 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,410 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,411 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,413 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,414 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,416 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,418 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,419 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,421 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,422 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,423 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:56,423 INFO L303 Elim1Store]: Index analysis took 159 ms [2018-10-24 11:47:56,427 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 [2018-10-24 11:47:56,429 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 11:47:56,870 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:47:57,109 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:47:57,110 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:100, output treesize:96 [2018-10-24 11:47:57,258 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 [2018-10-24 11:47:57,278 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,279 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,280 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,281 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,281 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,282 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,284 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,285 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,287 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,288 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,290 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,291 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,292 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,293 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,294 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,295 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,297 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,299 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,300 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,302 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,303 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,305 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,307 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,308 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,310 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,312 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,313 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,315 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,316 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,318 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,319 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,321 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,322 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,324 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,325 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,327 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,328 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,330 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,332 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,333 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,334 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,336 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,337 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,339 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,341 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,342 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,344 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,345 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,347 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,348 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,350 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,351 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,353 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,355 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,356 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,358 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,359 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,360 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,361 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,363 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,364 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,366 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,368 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,369 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,371 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,373 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,374 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,376 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,378 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,379 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,381 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,382 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,384 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,386 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,387 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,389 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,391 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,392 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,394 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,396 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,397 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,399 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,400 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,402 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,403 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,405 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,407 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,408 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,410 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,412 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,413 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,415 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,416 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,418 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,420 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,421 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,423 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,425 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,426 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,428 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,430 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,431 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,433 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,434 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,436 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,438 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,439 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,441 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,443 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,444 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:47:57,445 INFO L303 Elim1Store]: Index analysis took 184 ms [2018-10-24 11:47:57,447 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 [2018-10-24 11:47:57,451 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 11:47:57,968 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:47:58,000 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:47:58,000 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:109, output treesize:105 [2018-10-24 11:47:58,268 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 [2018-10-24 11:47:58,273 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 [2018-10-24 11:47:58,273 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 11:47:58,359 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:47:58,398 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:47:58,398 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:123, output treesize:108 [2018-10-24 11:47:58,538 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 [2018-10-24 11:47:58,542 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 [2018-10-24 11:47:58,542 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 11:47:58,573 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:47:58,613 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:47:58,613 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:123, output treesize:108 [2018-10-24 11:47:58,761 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 [2018-10-24 11:47:58,765 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 [2018-10-24 11:47:58,766 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 11:47:58,799 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:47:58,841 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:47:58,842 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:123, output treesize:108 [2018-10-24 11:47:59,040 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 [2018-10-24 11:47:59,045 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 [2018-10-24 11:47:59,045 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 11:47:59,078 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:47:59,119 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:47:59,119 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:123, output treesize:108 [2018-10-24 11:47:59,308 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 [2018-10-24 11:47:59,317 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 [2018-10-24 11:47:59,318 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 11:47:59,356 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:47:59,409 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:47:59,410 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:123, output treesize:108 [2018-10-24 11:47:59,570 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 [2018-10-24 11:47:59,592 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 [2018-10-24 11:47:59,593 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 11:47:59,634 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:47:59,677 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:47:59,677 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:123, output treesize:108 [2018-10-24 11:47:59,852 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 [2018-10-24 11:47:59,859 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 [2018-10-24 11:47:59,859 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 11:47:59,893 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:47:59,936 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:47:59,936 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:123, output treesize:108 [2018-10-24 11:48:00,098 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 [2018-10-24 11:48:00,102 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 [2018-10-24 11:48:00,102 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 11:48:00,137 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:48:00,180 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:48:00,181 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:123, output treesize:108 [2018-10-24 11:48:00,531 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 [2018-10-24 11:48:00,538 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 [2018-10-24 11:48:00,538 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 11:48:00,570 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:48:00,609 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:48:00,610 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:118, output treesize:105 [2018-10-24 11:48:00,621 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 [2018-10-24 11:48:00,625 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 [2018-10-24 11:48:00,625 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 11:48:00,733 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:48:00,771 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:48:00,772 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:120, output treesize:105 [2018-10-24 11:48:00,787 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 [2018-10-24 11:48:00,791 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 [2018-10-24 11:48:00,792 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 11:48:00,822 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:48:00,859 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:48:00,859 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:118, output treesize:114 [2018-10-24 11:48:06,732 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 [2018-10-24 11:48:06,740 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,741 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 [2018-10-24 11:48:06,742 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 11:48:06,821 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,845 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,850 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,852 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,853 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,853 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,854 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,855 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,857 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,858 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,859 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,860 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,861 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,862 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,863 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,864 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,866 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,867 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,868 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,869 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,870 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,871 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,872 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,873 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,874 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,876 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,877 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,878 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,879 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,880 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,881 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,882 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,889 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,890 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,890 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,891 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,892 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,892 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,894 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,895 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,896 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,897 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,898 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,899 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,900 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,901 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,902 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,904 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,905 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,906 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,907 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,908 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,909 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,910 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,911 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,913 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,914 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,915 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,916 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,918 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,919 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,920 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,921 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,923 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,924 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,925 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,926 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,927 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,929 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,930 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,931 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,932 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,933 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,935 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,936 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,937 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,938 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,940 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,941 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,942 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,943 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,944 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,946 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,947 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,948 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,949 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,951 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,952 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,953 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,954 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,956 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,957 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,958 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,959 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,960 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,962 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,963 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,964 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,965 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,967 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,968 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,969 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,970 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,972 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,973 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,974 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,975 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,976 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,978 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,979 INFO L700 Elim1Store]: detected not equals via solver [2018-10-24 11:48:06,979 INFO L303 Elim1Store]: Index analysis took 200 ms [2018-10-24 11:48:06,982 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 [2018-10-24 11:48:06,984 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-24 11:48:07,192 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:48:07,198 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:48:07,199 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:138, output treesize:7 [2018-10-24 11:48:07,921 INFO L134 CoverageAnalysis]: Checked inductivity of 727 backedges. 82 proven. 635 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-24 11:48:07,941 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-24 11:48:07,941 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 51] total 82 [2018-10-24 11:48:07,942 INFO L460 AbstractCegarLoop]: Interpolant automaton has 82 states [2018-10-24 11:48:07,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2018-10-24 11:48:07,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=911, Invalid=5731, Unknown=0, NotChecked=0, Total=6642 [2018-10-24 11:48:07,944 INFO L87 Difference]: Start difference. First operand 1886 states and 2190 transitions. Second operand 82 states. [2018-10-24 11:48:14,413 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2018-10-24 11:48:14,699 WARN L179 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 87 [2018-10-24 11:48:19,961 WARN L179 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 86 [2018-10-24 11:48:20,575 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2018-10-24 11:48:21,332 WARN L179 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2018-10-24 11:48:21,620 WARN L179 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2018-10-24 11:48:32,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 11:48:32,590 INFO L93 Difference]: Finished difference Result 22181 states and 25986 transitions. [2018-10-24 11:48:32,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2018-10-24 11:48:32,590 INFO L78 Accepts]: Start accepts. Automaton has 82 states. Word has length 205 [2018-10-24 11:48:32,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 11:48:32,614 INFO L225 Difference]: With dead ends: 22181 [2018-10-24 11:48:32,615 INFO L226 Difference]: Without dead ends: 21549 [2018-10-24 11:48:32,620 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 157 SyntacticMatches, 23 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4974 ImplicationChecksByTransitivity, 19.5s TimeCoverageRelationStatistics Valid=3158, Invalid=18598, Unknown=0, NotChecked=0, Total=21756 [2018-10-24 11:48:32,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21549 states. [2018-10-24 11:48:33,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21549 to 3391. [2018-10-24 11:48:33,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3391 states. [2018-10-24 11:48:33,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3391 states to 3391 states and 3906 transitions. [2018-10-24 11:48:33,448 INFO L78 Accepts]: Start accepts. Automaton has 3391 states and 3906 transitions. Word has length 205 [2018-10-24 11:48:33,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 11:48:33,448 INFO L481 AbstractCegarLoop]: Abstraction has 3391 states and 3906 transitions. [2018-10-24 11:48:33,448 INFO L482 AbstractCegarLoop]: Interpolant automaton has 82 states. [2018-10-24 11:48:33,448 INFO L276 IsEmpty]: Start isEmpty. Operand 3391 states and 3906 transitions. [2018-10-24 11:48:33,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-10-24 11:48:33,453 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 11:48:33,454 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] [2018-10-24 11:48:33,454 INFO L424 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 11:48:33,454 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 11:48:33,454 INFO L82 PathProgramCache]: Analyzing trace with hash 580746739, now seen corresponding path program 1 times [2018-10-24 11:48:33,454 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 11:48:33,454 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 11:48:33,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:48:33,455 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-24 11:48:33,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:48:33,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 11:48:34,914 INFO L134 CoverageAnalysis]: Checked inductivity of 727 backedges. 0 proven. 467 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2018-10-24 11:48:34,914 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 11:48:34,914 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 [2018-10-24 11:48:34,923 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 11:48:34,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 11:48:34,993 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 11:48:35,837 INFO L134 CoverageAnalysis]: Checked inductivity of 727 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-24 11:48:35,858 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-24 11:48:35,858 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 29] total 37 [2018-10-24 11:48:35,859 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-10-24 11:48:35,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-10-24 11:48:35,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=1244, Unknown=0, NotChecked=0, Total=1332 [2018-10-24 11:48:35,860 INFO L87 Difference]: Start difference. First operand 3391 states and 3906 transitions. Second operand 37 states. Received shutdown request... [2018-10-24 11:49:35,222 WARN L187 SmtUtils]: Removed 5 from assertion stack [2018-10-24 11:49:35,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 457 states. [2018-10-24 11:49:35,223 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 11:49:35,227 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 11:49:35,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:49:35 BoogieIcfgContainer [2018-10-24 11:49:35,228 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 11:49:35,228 INFO L168 Benchmark]: Toolchain (without parser) took 254580.32 ms. Allocated memory was 1.5 GB in the beginning and 3.1 GB in the end (delta: 1.5 GB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -658.4 MB). Peak memory consumption was 880.4 MB. Max. memory is 7.1 GB. [2018-10-24 11:49:35,229 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 11:49:35,229 INFO L168 Benchmark]: CACSL2BoogieTranslator took 349.30 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-10-24 11:49:35,230 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.13 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 11:49:35,230 INFO L168 Benchmark]: Boogie Preprocessor took 62.87 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 11:49:35,230 INFO L168 Benchmark]: RCFGBuilder took 676.89 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 751.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -775.7 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2018-10-24 11:49:35,231 INFO L168 Benchmark]: TraceAbstraction took 253426.56 ms. Allocated memory was 2.3 GB in the beginning and 3.1 GB in the end (delta: 787.0 MB). Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 106.7 MB). Peak memory consumption was 893.7 MB. Max. memory is 7.1 GB. [2018-10-24 11:49:35,234 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 349.30 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 59.13 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 62.87 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 676.89 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 751.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -775.7 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 253426.56 ms. Allocated memory was 2.3 GB in the beginning and 3.1 GB in the end (delta: 787.0 MB). Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 106.7 MB). Peak memory consumption was 893.7 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 457 states, 37 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 12. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 59 locations, 1 error locations. TIMEOUT Result, 253.3s OverallTime, 19 OverallIterations, 11 TraceHistogramMax, 140.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8837 SDtfs, 16876 SDslu, 169481 SDs, 0 SdLazy, 117000 SolverSat, 2622 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 77.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3574 GetRequests, 2322 SyntacticMatches, 30 SemanticMatches, 1221 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122942 ImplicationChecksByTransitivity, 47.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3391occurred in iteration=18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 3.2s AutomataMinimizationTime, 18 MinimizatonAttempts, 65947 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 69.7s SatisfiabilityAnalysisTime, 38.2s InterpolantComputationTime, 4498 NumberOfCodeBlocks, 4405 NumberOfCodeBlocksAsserted, 69 NumberOfCheckSat, 4462 ConstructedInterpolants, 1 QuantifiedInterpolants, 7224330 SizeOfPredicates, 70 NumberOfNonLiveVariables, 4047 ConjunctsInSsa, 521 ConjunctsInUnsatCore, 36 InterpolantComputations, 5 PerfectInterpolantSequences, 6078/10858 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown