/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/heap-data/calendar.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-23 21:29:52,861 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-23 21:29:52,863 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-23 21:29:52,875 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-23 21:29:52,876 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-23 21:29:52,877 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-23 21:29:52,878 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-23 21:29:52,880 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-23 21:29:52,882 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-23 21:29:52,883 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-23 21:29:52,884 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-23 21:29:52,885 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-23 21:29:52,885 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-23 21:29:52,886 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-23 21:29:52,887 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-23 21:29:52,888 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-23 21:29:52,889 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-23 21:29:52,890 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-23 21:29:52,891 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-23 21:29:52,893 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-23 21:29:52,895 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-23 21:29:52,896 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-23 21:29:52,897 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-23 21:29:52,898 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-23 21:29:52,900 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-23 21:29:52,908 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-23 21:29:52,909 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-23 21:29:52,910 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-23 21:29:52,911 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-23 21:29:52,932 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-23 21:29:52,933 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-23 21:29:52,934 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-23 21:29:52,934 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-23 21:29:52,934 INFO L138 SettingsManager]: * Use SBE=true [2019-11-23 21:29:52,934 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-23 21:29:52,935 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-23 21:29:52,935 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-23 21:29:52,935 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-23 21:29:52,936 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-23 21:29:52,936 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-23 21:29:52,936 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-23 21:29:52,936 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-23 21:29:52,936 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-23 21:29:52,937 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-23 21:29:52,937 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-23 21:29:52,937 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-23 21:29:52,937 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-23 21:29:52,937 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-23 21:29:52,938 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-23 21:29:52,939 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-23 21:29:52,939 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-23 21:29:52,939 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 21:29:52,939 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-23 21:29:52,940 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-23 21:29:52,940 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-23 21:29:52,940 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-23 21:29:52,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-23 21:29:52,941 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-23 21:29:52,941 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-23 21:29:53,202 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-23 21:29:53,222 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-23 21:29:53,224 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-23 21:29:53,226 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-23 21:29:53,226 INFO L275 PluginConnector]: CDTParser initialized [2019-11-23 21:29:53,227 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-data/calendar.i [2019-11-23 21:29:53,293 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/953429035/0266f3ff7942497f817bbae4c5b7bb86/FLAGf4a70cadc [2019-11-23 21:29:53,754 INFO L306 CDTParser]: Found 1 translation units. [2019-11-23 21:29:53,755 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/heap-data/calendar.i [2019-11-23 21:29:53,772 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/953429035/0266f3ff7942497f817bbae4c5b7bb86/FLAGf4a70cadc [2019-11-23 21:29:54,129 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/953429035/0266f3ff7942497f817bbae4c5b7bb86 [2019-11-23 21:29:54,137 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-23 21:29:54,138 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-23 21:29:54,139 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-23 21:29:54,139 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-23 21:29:54,143 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-23 21:29:54,144 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:29:54" (1/1) ... [2019-11-23 21:29:54,147 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cdf15e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:54, skipping insertion in model container [2019-11-23 21:29:54,147 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:29:54" (1/1) ... [2019-11-23 21:29:54,158 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-23 21:29:54,213 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-23 21:29:54,718 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 21:29:54,734 INFO L203 MainTranslator]: Completed pre-run [2019-11-23 21:29:54,785 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 21:29:54,841 INFO L208 MainTranslator]: Completed translation [2019-11-23 21:29:54,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:54 WrapperNode [2019-11-23 21:29:54,842 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-23 21:29:54,843 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-23 21:29:54,843 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-23 21:29:54,843 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-23 21:29:54,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:54" (1/1) ... [2019-11-23 21:29:54,879 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:54" (1/1) ... [2019-11-23 21:29:54,904 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-23 21:29:54,904 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-23 21:29:54,904 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-23 21:29:54,904 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-23 21:29:54,914 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:54" (1/1) ... [2019-11-23 21:29:54,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:54" (1/1) ... [2019-11-23 21:29:54,917 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:54" (1/1) ... [2019-11-23 21:29:54,918 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:54" (1/1) ... [2019-11-23 21:29:54,925 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:54" (1/1) ... [2019-11-23 21:29:54,929 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:54" (1/1) ... [2019-11-23 21:29:54,931 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:54" (1/1) ... [2019-11-23 21:29:54,934 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-23 21:29:54,934 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-23 21:29:54,934 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-23 21:29:54,935 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-23 21:29:54,935 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:54" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2019-11-23 21:29:54,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-23 21:29:54,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-23 21:29:54,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-23 21:29:54,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-23 21:29:54,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-23 21:29:54,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-23 21:29:54,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-23 21:29:55,328 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-23 21:29:55,328 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-23 21:29:55,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:29:55 BoogieIcfgContainer [2019-11-23 21:29:55,330 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-23 21:29:55,331 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-23 21:29:55,331 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-23 21:29:55,334 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-23 21:29:55,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:29:54" (1/3) ... [2019-11-23 21:29:55,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66d002e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:29:55, skipping insertion in model container [2019-11-23 21:29:55,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:54" (2/3) ... [2019-11-23 21:29:55,336 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66d002e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:29:55, skipping insertion in model container [2019-11-23 21:29:55,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:29:55" (3/3) ... [2019-11-23 21:29:55,337 INFO L109 eAbstractionObserver]: Analyzing ICFG calendar.i [2019-11-23 21:29:55,347 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-23 21:29:55,354 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-23 21:29:55,366 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-23 21:29:55,390 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-23 21:29:55,391 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-23 21:29:55,391 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-23 21:29:55,391 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-23 21:29:55,391 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-23 21:29:55,391 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-23 21:29:55,392 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-23 21:29:55,392 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-23 21:29:55,407 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2019-11-23 21:29:55,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-23 21:29:55,414 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:29:55,415 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:29:55,415 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:29:55,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:29:55,421 INFO L82 PathProgramCache]: Analyzing trace with hash 399551724, now seen corresponding path program 1 times [2019-11-23 21:29:55,431 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:29:55,431 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943433869] [2019-11-23 21:29:55,432 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:29:55,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:29:55,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:29:55,561 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943433869] [2019-11-23 21:29:55,562 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:29:55,563 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-23 21:29:55,564 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666168374] [2019-11-23 21:29:55,568 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-23 21:29:55,569 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:29:55,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-23 21:29:55,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-23 21:29:55,585 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 2 states. [2019-11-23 21:29:55,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:29:55,600 INFO L93 Difference]: Finished difference Result 35 states and 49 transitions. [2019-11-23 21:29:55,600 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-23 21:29:55,602 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-11-23 21:29:55,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:29:55,609 INFO L225 Difference]: With dead ends: 35 [2019-11-23 21:29:55,610 INFO L226 Difference]: Without dead ends: 18 [2019-11-23 21:29:55,613 INFO L630 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 [2019-11-23 21:29:55,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2019-11-23 21:29:55,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-11-23 21:29:55,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-11-23 21:29:55,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 24 transitions. [2019-11-23 21:29:55,648 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 24 transitions. Word has length 10 [2019-11-23 21:29:55,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:29:55,648 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 24 transitions. [2019-11-23 21:29:55,648 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-23 21:29:55,649 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2019-11-23 21:29:55,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-23 21:29:55,649 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:29:55,650 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:29:55,650 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:29:55,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:29:55,651 INFO L82 PathProgramCache]: Analyzing trace with hash -1946762309, now seen corresponding path program 1 times [2019-11-23 21:29:55,651 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:29:55,651 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047488111] [2019-11-23 21:29:55,651 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:29:55,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:29:55,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:29:55,764 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047488111] [2019-11-23 21:29:55,764 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:29:55,764 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-23 21:29:55,764 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649736026] [2019-11-23 21:29:55,766 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 21:29:55,766 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:29:55,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 21:29:55,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-23 21:29:55,767 INFO L87 Difference]: Start difference. First operand 18 states and 24 transitions. Second operand 4 states. [2019-11-23 21:29:55,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:29:55,842 INFO L93 Difference]: Finished difference Result 35 states and 47 transitions. [2019-11-23 21:29:55,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 21:29:55,843 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2019-11-23 21:29:55,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:29:55,844 INFO L225 Difference]: With dead ends: 35 [2019-11-23 21:29:55,844 INFO L226 Difference]: Without dead ends: 23 [2019-11-23 21:29:55,845 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-23 21:29:55,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2019-11-23 21:29:55,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2019-11-23 21:29:55,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-11-23 21:29:55,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 31 transitions. [2019-11-23 21:29:55,851 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 31 transitions. Word has length 12 [2019-11-23 21:29:55,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:29:55,851 INFO L462 AbstractCegarLoop]: Abstraction has 23 states and 31 transitions. [2019-11-23 21:29:55,851 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 21:29:55,851 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2019-11-23 21:29:55,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-23 21:29:55,852 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:29:55,852 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:29:55,853 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:29:55,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:29:55,853 INFO L82 PathProgramCache]: Analyzing trace with hash -1070818203, now seen corresponding path program 1 times [2019-11-23 21:29:55,853 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:29:55,854 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240814705] [2019-11-23 21:29:55,854 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:29:55,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:29:56,129 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:29:56,129 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240814705] [2019-11-23 21:29:56,130 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:29:56,130 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-23 21:29:56,130 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036157663] [2019-11-23 21:29:56,131 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-23 21:29:56,131 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:29:56,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-23 21:29:56,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-23 21:29:56,132 INFO L87 Difference]: Start difference. First operand 23 states and 31 transitions. Second operand 8 states. [2019-11-23 21:29:56,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:29:56,774 INFO L93 Difference]: Finished difference Result 78 states and 105 transitions. [2019-11-23 21:29:56,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-11-23 21:29:56,774 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2019-11-23 21:29:56,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:29:56,778 INFO L225 Difference]: With dead ends: 78 [2019-11-23 21:29:56,778 INFO L226 Difference]: Without dead ends: 68 [2019-11-23 21:29:56,783 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=149, Invalid=357, Unknown=0, NotChecked=0, Total=506 [2019-11-23 21:29:56,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2019-11-23 21:29:56,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 27. [2019-11-23 21:29:56,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-11-23 21:29:56,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 36 transitions. [2019-11-23 21:29:56,797 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 36 transitions. Word has length 17 [2019-11-23 21:29:56,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:29:56,798 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 36 transitions. [2019-11-23 21:29:56,798 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-23 21:29:56,798 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2019-11-23 21:29:56,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-23 21:29:56,799 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:29:56,799 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:29:56,800 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:29:56,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:29:56,800 INFO L82 PathProgramCache]: Analyzing trace with hash 1737463723, now seen corresponding path program 1 times [2019-11-23 21:29:56,801 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:29:56,801 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138550803] [2019-11-23 21:29:56,801 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:29:56,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:29:56,939 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-23 21:29:56,939 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138550803] [2019-11-23 21:29:56,940 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:29:56,940 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-23 21:29:56,940 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511333714] [2019-11-23 21:29:56,941 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-23 21:29:56,942 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:29:56,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-23 21:29:56,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-23 21:29:56,942 INFO L87 Difference]: Start difference. First operand 27 states and 36 transitions. Second operand 5 states. [2019-11-23 21:29:57,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:29:57,023 INFO L93 Difference]: Finished difference Result 50 states and 65 transitions. [2019-11-23 21:29:57,025 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-23 21:29:57,026 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2019-11-23 21:29:57,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:29:57,027 INFO L225 Difference]: With dead ends: 50 [2019-11-23 21:29:57,027 INFO L226 Difference]: Without dead ends: 38 [2019-11-23 21:29:57,028 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-23 21:29:57,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-11-23 21:29:57,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 30. [2019-11-23 21:29:57,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-23 21:29:57,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 39 transitions. [2019-11-23 21:29:57,038 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 39 transitions. Word has length 19 [2019-11-23 21:29:57,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:29:57,040 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 39 transitions. [2019-11-23 21:29:57,040 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-23 21:29:57,040 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2019-11-23 21:29:57,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-23 21:29:57,042 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:29:57,042 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:29:57,043 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:29:57,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:29:57,043 INFO L82 PathProgramCache]: Analyzing trace with hash 1737523305, now seen corresponding path program 1 times [2019-11-23 21:29:57,043 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:29:57,045 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306761292] [2019-11-23 21:29:57,045 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:29:57,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:29:57,135 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-23 21:29:57,135 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306761292] [2019-11-23 21:29:57,135 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:29:57,136 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-23 21:29:57,136 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564339820] [2019-11-23 21:29:57,137 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 21:29:57,137 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:29:57,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 21:29:57,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-23 21:29:57,138 INFO L87 Difference]: Start difference. First operand 30 states and 39 transitions. Second operand 4 states. [2019-11-23 21:29:57,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:29:57,171 INFO L93 Difference]: Finished difference Result 34 states and 43 transitions. [2019-11-23 21:29:57,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 21:29:57,172 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-11-23 21:29:57,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:29:57,172 INFO L225 Difference]: With dead ends: 34 [2019-11-23 21:29:57,173 INFO L226 Difference]: Without dead ends: 32 [2019-11-23 21:29:57,173 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-23 21:29:57,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2019-11-23 21:29:57,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2019-11-23 21:29:57,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2019-11-23 21:29:57,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 41 transitions. [2019-11-23 21:29:57,179 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 41 transitions. Word has length 19 [2019-11-23 21:29:57,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:29:57,179 INFO L462 AbstractCegarLoop]: Abstraction has 32 states and 41 transitions. [2019-11-23 21:29:57,179 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 21:29:57,179 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 41 transitions. [2019-11-23 21:29:57,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-23 21:29:57,180 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:29:57,180 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:29:57,181 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:29:57,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:29:57,181 INFO L82 PathProgramCache]: Analyzing trace with hash -782496211, now seen corresponding path program 1 times [2019-11-23 21:29:57,181 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:29:57,182 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047481273] [2019-11-23 21:29:57,182 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:29:57,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:29:57,381 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:29:57,382 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047481273] [2019-11-23 21:29:57,382 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:29:57,382 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-23 21:29:57,382 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821693858] [2019-11-23 21:29:57,384 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-23 21:29:57,384 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:29:57,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-23 21:29:57,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-23 21:29:57,385 INFO L87 Difference]: Start difference. First operand 32 states and 41 transitions. Second operand 8 states. [2019-11-23 21:29:57,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:29:57,632 INFO L93 Difference]: Finished difference Result 43 states and 53 transitions. [2019-11-23 21:29:57,633 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-23 21:29:57,633 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2019-11-23 21:29:57,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:29:57,634 INFO L225 Difference]: With dead ends: 43 [2019-11-23 21:29:57,634 INFO L226 Difference]: Without dead ends: 41 [2019-11-23 21:29:57,635 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2019-11-23 21:29:57,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-11-23 21:29:57,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 35. [2019-11-23 21:29:57,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-11-23 21:29:57,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 45 transitions. [2019-11-23 21:29:57,650 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 45 transitions. Word has length 19 [2019-11-23 21:29:57,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:29:57,650 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 45 transitions. [2019-11-23 21:29:57,650 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-23 21:29:57,650 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2019-11-23 21:29:57,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-23 21:29:57,652 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:29:57,653 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:29:57,653 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:29:57,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:29:57,653 INFO L82 PathProgramCache]: Analyzing trace with hash 830966801, now seen corresponding path program 1 times [2019-11-23 21:29:57,654 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:29:57,654 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715968858] [2019-11-23 21:29:57,654 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:29:57,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:29:57,789 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:29:57,789 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715968858] [2019-11-23 21:29:57,795 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1050889191] [2019-11-23 21:29:57,795 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:29:57,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:29:57,873 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjunts are in the unsatisfiable core [2019-11-23 21:29:57,882 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 21:29:57,939 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2019-11-23 21:29:57,940 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:29:57,953 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:29:57,957 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2019-11-23 21:29:57,958 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:29:57,962 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:29:57,963 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:29:57,964 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:23, output treesize:15 [2019-11-23 21:29:58,001 INFO L377 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 7 [2019-11-23 21:29:58,002 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:29:58,009 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:29:58,012 INFO L377 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 7 [2019-11-23 21:29:58,012 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:29:58,017 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:29:58,018 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:29:58,018 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2019-11-23 21:29:58,023 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:29:58,024 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-23 21:29:58,024 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2019-11-23 21:29:58,024 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455976712] [2019-11-23 21:29:58,025 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-23 21:29:58,026 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:29:58,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-23 21:29:58,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-23 21:29:58,029 INFO L87 Difference]: Start difference. First operand 35 states and 45 transitions. Second operand 6 states. [2019-11-23 21:29:58,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:29:58,142 INFO L93 Difference]: Finished difference Result 68 states and 86 transitions. [2019-11-23 21:29:58,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-23 21:29:58,146 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2019-11-23 21:29:58,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:29:58,148 INFO L225 Difference]: With dead ends: 68 [2019-11-23 21:29:58,148 INFO L226 Difference]: Without dead ends: 40 [2019-11-23 21:29:58,149 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-23 21:29:58,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-11-23 21:29:58,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-11-23 21:29:58,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-11-23 21:29:58,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 52 transitions. [2019-11-23 21:29:58,161 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 52 transitions. Word has length 25 [2019-11-23 21:29:58,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:29:58,162 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 52 transitions. [2019-11-23 21:29:58,162 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-23 21:29:58,162 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 52 transitions. [2019-11-23 21:29:58,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-23 21:29:58,163 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:29:58,163 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:29:58,370 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:29:58,370 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:29:58,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:29:58,371 INFO L82 PathProgramCache]: Analyzing trace with hash 1524144039, now seen corresponding path program 2 times [2019-11-23 21:29:58,372 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:29:58,372 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189061297] [2019-11-23 21:29:58,373 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:29:58,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:29:58,664 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:29:58,664 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189061297] [2019-11-23 21:29:58,665 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [182693130] [2019-11-23 21:29:58,665 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:29:58,731 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-23 21:29:58,731 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-23 21:29:58,733 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 37 conjunts are in the unsatisfiable core [2019-11-23 21:29:58,736 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 21:29:58,740 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:29:58,764 INFO L377 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 36 treesize of output 35 [2019-11-23 21:29:58,764 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:29:58,776 INFO L377 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 36 treesize of output 35 [2019-11-23 21:29:58,777 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:29:58,806 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:29:58,820 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:29:58,822 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:29:58,823 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:29:58,841 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 28 [2019-11-23 21:29:58,842 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-23 21:29:58,850 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:29:58,852 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:29:58,853 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:29:58,867 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 28 [2019-11-23 21:29:58,867 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-23 21:29:58,889 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:29:58,891 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-11-23 21:29:58,891 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:73, output treesize:33 [2019-11-23 21:29:58,927 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:29:58,967 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:29:58,968 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 72 [2019-11-23 21:29:58,969 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:29:58,996 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:29:58,997 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 72 [2019-11-23 21:29:58,997 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:29:59,040 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:29:59,042 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_9|, |v_#memory_$Pointer$.base_9|], 14=[|v_#memory_int_10|]} [2019-11-23 21:29:59,055 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 62 treesize of output 58 [2019-11-23 21:29:59,056 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-23 21:29:59,069 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 62 treesize of output 58 [2019-11-23 21:29:59,070 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-23 21:29:59,123 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:29:59,137 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 58 treesize of output 54 [2019-11-23 21:29:59,137 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-11-23 21:29:59,147 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 58 treesize of output 54 [2019-11-23 21:29:59,148 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-11-23 21:29:59,190 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:29:59,201 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:29:59,204 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:29:59,205 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:29:59,244 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 50 [2019-11-23 21:29:59,244 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-11-23 21:29:59,253 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:29:59,254 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:29:59,255 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:29:59,272 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 50 [2019-11-23 21:29:59,273 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-11-23 21:29:59,306 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:29:59,307 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 3 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-11-23 21:29:59,308 INFO L221 ElimStorePlain]: Needed 9 recursive calls to eliminate 8 variables, input treesize:137, output treesize:55 [2019-11-23 21:29:59,392 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:29:59,405 INFO L377 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 41 treesize of output 29 [2019-11-23 21:29:59,406 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:29:59,411 INFO L377 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 41 treesize of output 29 [2019-11-23 21:29:59,412 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:29:59,429 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:29:59,434 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 26 treesize of output 18 [2019-11-23 21:29:59,435 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-23 21:29:59,438 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 26 treesize of output 18 [2019-11-23 21:29:59,439 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-23 21:29:59,450 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:29:59,451 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-11-23 21:29:59,451 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:83, output treesize:21 [2019-11-23 21:29:59,513 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:29:59,513 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:29:59,520 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:29:59,532 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:29:59,533 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-23 21:29:59,533 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9] total 18 [2019-11-23 21:29:59,533 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681082168] [2019-11-23 21:29:59,534 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-23 21:29:59,534 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:29:59,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-23 21:29:59,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2019-11-23 21:29:59,535 INFO L87 Difference]: Start difference. First operand 40 states and 52 transitions. Second operand 18 states. [2019-11-23 21:29:59,960 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 65 [2019-11-23 21:30:00,126 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 70 [2019-11-23 21:30:00,296 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 67 [2019-11-23 21:30:00,460 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 63 [2019-11-23 21:30:00,606 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 69 [2019-11-23 21:30:00,753 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 65 [2019-11-23 21:30:00,890 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 62 [2019-11-23 21:30:01,056 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 67 [2019-11-23 21:30:01,221 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 64 [2019-11-23 21:30:01,359 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 60 [2019-11-23 21:30:01,526 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 66 [2019-11-23 21:30:01,676 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 62 [2019-11-23 21:30:01,938 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 56 [2019-11-23 21:30:02,602 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 53 [2019-11-23 21:30:03,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:30:03,574 INFO L93 Difference]: Finished difference Result 136 states and 165 transitions. [2019-11-23 21:30:03,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2019-11-23 21:30:03,574 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 30 [2019-11-23 21:30:03,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:30:03,576 INFO L225 Difference]: With dead ends: 136 [2019-11-23 21:30:03,576 INFO L226 Difference]: Without dead ends: 121 [2019-11-23 21:30:03,577 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 610 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=687, Invalid=1863, Unknown=0, NotChecked=0, Total=2550 [2019-11-23 21:30:03,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2019-11-23 21:30:03,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 48. [2019-11-23 21:30:03,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2019-11-23 21:30:03,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 61 transitions. [2019-11-23 21:30:03,585 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 61 transitions. Word has length 30 [2019-11-23 21:30:03,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:30:03,585 INFO L462 AbstractCegarLoop]: Abstraction has 48 states and 61 transitions. [2019-11-23 21:30:03,586 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-23 21:30:03,586 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2019-11-23 21:30:03,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-23 21:30:03,587 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:30:03,587 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:30:03,789 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:30:03,790 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:30:03,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:30:03,790 INFO L82 PathProgramCache]: Analyzing trace with hash 1895186671, now seen corresponding path program 1 times [2019-11-23 21:30:03,791 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:30:03,791 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296130470] [2019-11-23 21:30:03,791 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:30:03,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:30:04,108 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:30:04,108 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296130470] [2019-11-23 21:30:04,109 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [972237112] [2019-11-23 21:30:04,109 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:30:04,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:30:04,183 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 41 conjunts are in the unsatisfiable core [2019-11-23 21:30:04,189 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 21:30:04,196 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:04,216 INFO L377 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 39 treesize of output 38 [2019-11-23 21:30:04,217 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:04,229 INFO L377 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 39 treesize of output 38 [2019-11-23 21:30:04,230 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:04,264 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:04,272 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:04,273 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:04,274 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:04,293 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 31 [2019-11-23 21:30:04,294 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:04,298 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:04,299 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:04,300 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:04,308 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 31 [2019-11-23 21:30:04,309 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:04,338 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:04,339 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-11-23 21:30:04,339 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:79, output treesize:39 [2019-11-23 21:30:04,346 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:04,375 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:04,375 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 70 [2019-11-23 21:30:04,376 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:04,389 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:04,389 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 70 [2019-11-23 21:30:04,390 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:04,439 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:04,441 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_10|, |v_#memory_$Pointer$.base_10|], 12=[|v_#memory_int_12|]} [2019-11-23 21:30:04,450 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 60 treesize of output 56 [2019-11-23 21:30:04,450 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:04,459 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 60 treesize of output 56 [2019-11-23 21:30:04,460 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:04,516 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:04,526 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 56 treesize of output 52 [2019-11-23 21:30:04,527 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:04,536 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 56 treesize of output 52 [2019-11-23 21:30:04,537 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:04,575 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:04,581 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:04,583 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:04,585 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:04,619 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 48 [2019-11-23 21:30:04,620 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:04,644 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:04,649 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:04,657 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:04,684 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 48 [2019-11-23 21:30:04,685 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:04,727 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:04,728 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 3 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-11-23 21:30:04,729 INFO L221 ElimStorePlain]: Needed 9 recursive calls to eliminate 7 variables, input treesize:133, output treesize:57 [2019-11-23 21:30:04,792 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:04,808 INFO L377 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 42 treesize of output 30 [2019-11-23 21:30:04,809 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:04,815 INFO L377 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 42 treesize of output 30 [2019-11-23 21:30:04,815 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:04,835 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:04,840 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 27 treesize of output 19 [2019-11-23 21:30:04,841 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:04,843 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 27 treesize of output 19 [2019-11-23 21:30:04,844 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:04,860 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:04,861 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-11-23 21:30:04,861 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:85, output treesize:25 [2019-11-23 21:30:04,909 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:04,909 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:04,913 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:04,926 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:30:04,927 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-23 21:30:04,927 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9] total 16 [2019-11-23 21:30:04,927 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816383300] [2019-11-23 21:30:04,928 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-11-23 21:30:04,928 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:30:04,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-11-23 21:30:04,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2019-11-23 21:30:04,928 INFO L87 Difference]: Start difference. First operand 48 states and 61 transitions. Second operand 16 states. [2019-11-23 21:30:05,416 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 69 [2019-11-23 21:30:06,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:30:06,036 INFO L93 Difference]: Finished difference Result 61 states and 75 transitions. [2019-11-23 21:30:06,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-11-23 21:30:06,036 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 32 [2019-11-23 21:30:06,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:30:06,037 INFO L225 Difference]: With dead ends: 61 [2019-11-23 21:30:06,038 INFO L226 Difference]: Without dead ends: 59 [2019-11-23 21:30:06,039 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 30 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=198, Invalid=504, Unknown=0, NotChecked=0, Total=702 [2019-11-23 21:30:06,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2019-11-23 21:30:06,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 51. [2019-11-23 21:30:06,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-11-23 21:30:06,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 65 transitions. [2019-11-23 21:30:06,045 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 65 transitions. Word has length 32 [2019-11-23 21:30:06,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:30:06,045 INFO L462 AbstractCegarLoop]: Abstraction has 51 states and 65 transitions. [2019-11-23 21:30:06,045 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-11-23 21:30:06,046 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2019-11-23 21:30:06,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-23 21:30:06,046 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:30:06,047 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:30:06,249 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:30:06,250 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:30:06,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:30:06,251 INFO L82 PathProgramCache]: Analyzing trace with hash 1135420755, now seen corresponding path program 3 times [2019-11-23 21:30:06,251 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:30:06,252 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167963592] [2019-11-23 21:30:06,253 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:30:06,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:30:06,415 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 8 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:30:06,416 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167963592] [2019-11-23 21:30:06,416 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [277162607] [2019-11-23 21:30:06,416 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:30:06,484 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2019-11-23 21:30:06,484 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-23 21:30:06,486 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 40 conjunts are in the unsatisfiable core [2019-11-23 21:30:06,489 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 21:30:06,499 INFO L377 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 [2019-11-23 21:30:06,500 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:06,517 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:06,523 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2019-11-23 21:30:06,524 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:06,538 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:06,544 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2019-11-23 21:30:06,545 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:06,555 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:06,556 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:30:06,556 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:29, output treesize:20 [2019-11-23 21:30:06,584 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:06,584 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2019-11-23 21:30:06,585 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:06,669 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:06,681 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-23 21:30:06,742 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:06,746 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-23 21:30:06,791 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:06,800 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:06,802 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:06,804 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:06,806 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 36 [2019-11-23 21:30:06,806 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:06,843 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:06,853 INFO L377 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 27 treesize of output 11 [2019-11-23 21:30:06,854 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:06,904 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:06,916 INFO L377 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 27 treesize of output 11 [2019-11-23 21:30:06,916 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:06,936 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:06,942 INFO L377 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 19 treesize of output 18 [2019-11-23 21:30:06,942 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:06,968 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:06,969 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 6 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:30:06,969 INFO L221 ElimStorePlain]: Needed 8 recursive calls to eliminate 9 variables, input treesize:123, output treesize:39 [2019-11-23 21:30:07,087 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:07,087 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 52 [2019-11-23 21:30:07,088 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:30:07,089 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:30:07,090 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-23 21:30:07,107 INFO L567 ElimStorePlain]: treesize reduction 16, result has 65.2 percent of original size [2019-11-23 21:30:07,110 INFO L377 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 10 [2019-11-23 21:30:07,111 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:07,115 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:07,116 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:30:07,116 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:69, output treesize:7 [2019-11-23 21:30:07,125 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 8 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:30:07,125 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-23 21:30:07,126 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8] total 14 [2019-11-23 21:30:07,126 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264295528] [2019-11-23 21:30:07,126 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-23 21:30:07,127 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:30:07,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-23 21:30:07,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2019-11-23 21:30:07,127 INFO L87 Difference]: Start difference. First operand 51 states and 65 transitions. Second operand 14 states. [2019-11-23 21:30:07,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:30:07,546 INFO L93 Difference]: Finished difference Result 102 states and 127 transitions. [2019-11-23 21:30:07,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-23 21:30:07,547 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 38 [2019-11-23 21:30:07,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:30:07,548 INFO L225 Difference]: With dead ends: 102 [2019-11-23 21:30:07,548 INFO L226 Difference]: Without dead ends: 61 [2019-11-23 21:30:07,549 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2019-11-23 21:30:07,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2019-11-23 21:30:07,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 56. [2019-11-23 21:30:07,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2019-11-23 21:30:07,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 72 transitions. [2019-11-23 21:30:07,557 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 72 transitions. Word has length 38 [2019-11-23 21:30:07,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:30:07,557 INFO L462 AbstractCegarLoop]: Abstraction has 56 states and 72 transitions. [2019-11-23 21:30:07,558 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-23 21:30:07,558 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 72 transitions. [2019-11-23 21:30:07,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-23 21:30:07,559 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:30:07,559 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:30:07,770 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:30:07,771 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:30:07,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:30:07,771 INFO L82 PathProgramCache]: Analyzing trace with hash 1704598909, now seen corresponding path program 4 times [2019-11-23 21:30:07,771 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:30:07,772 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300654908] [2019-11-23 21:30:07,772 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:30:07,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:30:08,127 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 13 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:30:08,127 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300654908] [2019-11-23 21:30:08,128 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1022463057] [2019-11-23 21:30:08,128 INFO L92 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:30:08,195 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-11-23 21:30:08,196 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-23 21:30:08,197 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 65 conjunts are in the unsatisfiable core [2019-11-23 21:30:08,201 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 21:30:08,203 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:08,222 INFO L377 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 39 treesize of output 38 [2019-11-23 21:30:08,222 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:08,228 INFO L377 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 39 treesize of output 38 [2019-11-23 21:30:08,229 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:08,261 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:08,267 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:08,269 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:08,270 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:08,283 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 31 [2019-11-23 21:30:08,283 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:08,288 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:08,289 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:08,290 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:08,299 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 31 [2019-11-23 21:30:08,300 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:08,328 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:08,329 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-11-23 21:30:08,330 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:79, output treesize:39 [2019-11-23 21:30:08,366 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:08,419 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:08,420 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 75 treesize of output 97 [2019-11-23 21:30:08,420 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:08,760 WARN L192 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2019-11-23 21:30:08,761 INFO L567 ElimStorePlain]: treesize reduction 14, result has 91.4 percent of original size [2019-11-23 21:30:08,802 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:08,803 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 75 treesize of output 97 [2019-11-23 21:30:08,804 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:09,055 WARN L192 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2019-11-23 21:30:09,056 INFO L567 ElimStorePlain]: treesize reduction 14, result has 91.3 percent of original size [2019-11-23 21:30:09,059 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.base_15|, |v_#memory_$Pointer$.offset_15|, v_prenex_2, v_prenex_6], 6=[|v_#memory_int_14|, v_prenex_5]} [2019-11-23 21:30:09,072 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 73 treesize of output 69 [2019-11-23 21:30:09,073 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:09,162 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:09,171 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 69 treesize of output 65 [2019-11-23 21:30:09,172 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:09,247 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:09,257 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 73 treesize of output 69 [2019-11-23 21:30:09,257 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:09,348 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:09,357 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 69 treesize of output 65 [2019-11-23 21:30:09,357 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:09,418 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:09,439 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:09,446 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:09,452 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:09,460 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 61 [2019-11-23 21:30:09,460 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:09,521 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:09,527 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:09,528 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:09,529 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:09,533 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 61 [2019-11-23 21:30:09,534 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:09,578 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:09,579 INFO L496 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-1 vars, 6 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-11-23 21:30:09,579 INFO L221 ElimStorePlain]: Needed 9 recursive calls to eliminate 14 variables, input treesize:151, output treesize:91 [2019-11-23 21:30:09,645 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:09,738 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:09,739 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 170 treesize of output 180 [2019-11-23 21:30:09,740 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:10,259 WARN L192 SmtUtils]: Spent 518.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-11-23 21:30:10,260 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:10,325 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:10,326 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 170 treesize of output 180 [2019-11-23 21:30:10,327 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:10,786 WARN L192 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-11-23 21:30:10,787 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:10,790 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.offset_18|, |v_#memory_$Pointer$.base_17|, |v_#memory_$Pointer$.base_16|, |v_#memory_$Pointer$.offset_17|, |v_#memory_$Pointer$.base_18|, |v_#memory_$Pointer$.offset_16|, v_prenex_14, v_prenex_13, v_prenex_12, v_prenex_17, v_prenex_16, v_prenex_15], 6=[|v_#memory_int_15|, v_prenex_10]} [2019-11-23 21:30:10,850 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 163 treesize of output 147 [2019-11-23 21:30:10,851 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:11,497 WARN L192 SmtUtils]: Spent 645.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-11-23 21:30:11,497 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:11,509 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-23 21:30:12,083 WARN L192 SmtUtils]: Spent 573.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-11-23 21:30:12,084 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:12,095 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-23 21:30:12,460 WARN L192 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-11-23 21:30:12,460 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:12,486 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 100 [2019-11-23 21:30:12,486 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:12,723 WARN L192 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-11-23 21:30:12,724 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:12,741 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:12,744 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:12,749 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:12,777 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 96 [2019-11-23 21:30:12,778 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:12,972 WARN L192 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-11-23 21:30:12,972 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:13,000 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 100 [2019-11-23 21:30:13,000 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:13,170 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-11-23 21:30:13,171 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:13,204 INFO L377 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 163 treesize of output 139 [2019-11-23 21:30:13,205 INFO L496 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:13,348 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-11-23 21:30:13,349 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:13,365 INFO L377 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 144 treesize of output 120 [2019-11-23 21:30:13,366 INFO L496 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:13,495 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-11-23 21:30:13,495 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:13,514 INFO L377 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 125 treesize of output 116 [2019-11-23 21:30:13,515 INFO L496 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:13,638 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-11-23 21:30:13,639 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:13,648 INFO L496 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-23 21:30:13,741 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:13,751 INFO L496 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-23 21:30:13,833 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:13,842 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:13,846 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:13,848 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:13,860 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 100 [2019-11-23 21:30:13,861 INFO L496 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:13,932 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:13,948 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:13,949 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:13,950 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:13,959 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 93 [2019-11-23 21:30:13,960 INFO L496 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:14,025 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:14,031 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:14,032 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:14,034 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:14,039 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 93 [2019-11-23 21:30:14,040 INFO L496 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:14,106 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:14,107 INFO L496 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-1 vars, 14 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-11-23 21:30:14,108 INFO L221 ElimStorePlain]: Needed 17 recursive calls to eliminate 22 variables, input treesize:341, output treesize:143 [2019-11-23 21:30:14,233 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:14,720 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:14,732 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-23 21:30:14,739 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:14,740 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 101 treesize of output 64 [2019-11-23 21:30:14,741 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:30:14,742 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:30:14,742 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-23 21:30:14,762 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:14,762 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 83 [2019-11-23 21:30:14,764 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:30:14,764 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:30:14,765 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:30:14,765 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:30:14,766 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-23 21:30:14,853 INFO L567 ElimStorePlain]: treesize reduction 40, result has 69.9 percent of original size [2019-11-23 21:30:14,871 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:14,871 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 41 [2019-11-23 21:30:14,872 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:14,879 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:14,880 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 41 [2019-11-23 21:30:14,881 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:14,900 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:14,901 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-11-23 21:30:14,902 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:203, output treesize:25 [2019-11-23 21:30:14,998 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:14,999 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:15,001 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:15,019 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 15 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:30:15,019 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-23 21:30:15,019 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11] total 22 [2019-11-23 21:30:15,019 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322516027] [2019-11-23 21:30:15,020 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-11-23 21:30:15,020 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:30:15,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-11-23 21:30:15,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=413, Unknown=0, NotChecked=0, Total=462 [2019-11-23 21:30:15,021 INFO L87 Difference]: Start difference. First operand 56 states and 72 transitions. Second operand 22 states. [2019-11-23 21:30:15,613 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 57 [2019-11-23 21:30:15,745 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 54 [2019-11-23 21:30:16,035 WARN L192 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 99 [2019-11-23 21:30:16,402 WARN L192 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 104 [2019-11-23 21:30:16,763 WARN L192 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 101 [2019-11-23 21:30:17,082 WARN L192 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 97 [2019-11-23 21:30:17,411 WARN L192 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 103 [2019-11-23 21:30:17,727 WARN L192 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 99 [2019-11-23 21:30:18,000 WARN L192 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 96 [2019-11-23 21:30:18,324 WARN L192 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 101 [2019-11-23 21:30:18,606 WARN L192 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 98 [2019-11-23 21:30:18,902 WARN L192 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 94 [2019-11-23 21:30:19,232 WARN L192 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 100 [2019-11-23 21:30:19,532 WARN L192 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 96 [2019-11-23 21:30:19,821 WARN L192 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 109 [2019-11-23 21:30:20,139 WARN L192 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 114 [2019-11-23 21:30:20,416 WARN L192 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 111 [2019-11-23 21:30:20,715 WARN L192 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 107 [2019-11-23 21:30:21,011 WARN L192 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 113 [2019-11-23 21:30:21,316 WARN L192 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 109 [2019-11-23 21:30:21,562 WARN L192 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 107 [2019-11-23 21:30:21,871 WARN L192 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 112 [2019-11-23 21:30:22,156 WARN L192 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 109 [2019-11-23 21:30:22,437 WARN L192 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 105 [2019-11-23 21:30:22,721 WARN L192 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 111 [2019-11-23 21:30:23,001 WARN L192 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 107 [2019-11-23 21:30:23,249 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 69 [2019-11-23 21:30:23,475 WARN L192 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 74 [2019-11-23 21:30:23,697 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 71 [2019-11-23 21:30:23,902 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 67 [2019-11-23 21:30:24,136 WARN L192 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 73 [2019-11-23 21:30:24,346 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 69 [2019-11-23 21:30:24,526 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 66 [2019-11-23 21:30:24,768 WARN L192 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 71 [2019-11-23 21:30:24,981 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 68 [2019-11-23 21:30:25,178 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 64 [2019-11-23 21:30:25,372 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 70 [2019-11-23 21:30:25,578 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 66 [2019-11-23 21:30:25,764 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 59 [2019-11-23 21:30:25,942 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 61 [2019-11-23 21:30:26,117 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 59 [2019-11-23 21:30:26,278 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 56 [2019-11-23 21:30:26,443 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 58 [2019-11-23 21:30:26,614 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 56 [2019-11-23 21:30:26,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:30:26,617 INFO L93 Difference]: Finished difference Result 169 states and 204 transitions. [2019-11-23 21:30:26,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2019-11-23 21:30:26,617 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 43 [2019-11-23 21:30:26,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:30:26,619 INFO L225 Difference]: With dead ends: 169 [2019-11-23 21:30:26,619 INFO L226 Difference]: Without dead ends: 154 [2019-11-23 21:30:26,621 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 34 SyntacticMatches, 9 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1212 ImplicationChecksByTransitivity, 11.7s TimeCoverageRelationStatistics Valid=1194, Invalid=3498, Unknown=0, NotChecked=0, Total=4692 [2019-11-23 21:30:26,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2019-11-23 21:30:26,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 64. [2019-11-23 21:30:26,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-11-23 21:30:26,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 81 transitions. [2019-11-23 21:30:26,629 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 81 transitions. Word has length 43 [2019-11-23 21:30:26,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:30:26,630 INFO L462 AbstractCegarLoop]: Abstraction has 64 states and 81 transitions. [2019-11-23 21:30:26,630 INFO L463 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-11-23 21:30:26,630 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2019-11-23 21:30:26,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-23 21:30:26,631 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:30:26,631 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:30:26,834 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:30:26,835 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:30:26,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:30:26,835 INFO L82 PathProgramCache]: Analyzing trace with hash -781342395, now seen corresponding path program 2 times [2019-11-23 21:30:26,836 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:30:26,836 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029923482] [2019-11-23 21:30:26,836 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:30:26,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:30:27,275 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 13 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:30:27,276 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029923482] [2019-11-23 21:30:27,276 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1880306377] [2019-11-23 21:30:27,276 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:30:27,371 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-23 21:30:27,371 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-23 21:30:27,374 INFO L255 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 57 conjunts are in the unsatisfiable core [2019-11-23 21:30:27,385 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 21:30:27,390 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:27,403 INFO L377 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 36 treesize of output 35 [2019-11-23 21:30:27,404 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:27,412 INFO L377 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 36 treesize of output 35 [2019-11-23 21:30:27,413 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:27,440 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:27,446 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:27,448 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:27,450 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:27,474 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 28 [2019-11-23 21:30:27,474 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:27,478 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:27,479 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:27,481 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:27,491 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 28 [2019-11-23 21:30:27,491 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:27,512 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:27,513 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-11-23 21:30:27,513 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:73, output treesize:33 [2019-11-23 21:30:27,545 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:27,594 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:27,595 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 74 treesize of output 96 [2019-11-23 21:30:27,595 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:27,624 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:27,624 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 74 treesize of output 96 [2019-11-23 21:30:27,625 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:27,764 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2019-11-23 21:30:27,765 INFO L567 ElimStorePlain]: treesize reduction 28, result has 83.8 percent of original size [2019-11-23 21:30:27,767 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_19|, |v_#memory_$Pointer$.base_19|], 14=[|v_#memory_int_17|]} [2019-11-23 21:30:27,775 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 72 treesize of output 68 [2019-11-23 21:30:27,776 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:27,784 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 72 treesize of output 68 [2019-11-23 21:30:27,784 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:27,845 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:27,854 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 68 treesize of output 64 [2019-11-23 21:30:27,854 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:27,864 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 68 treesize of output 64 [2019-11-23 21:30:27,864 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:27,920 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:27,926 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:27,927 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:27,928 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:27,959 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2019-11-23 21:30:27,960 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:27,966 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:27,967 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:27,967 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:27,982 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2019-11-23 21:30:27,982 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:28,029 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:28,030 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 3 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-11-23 21:30:28,030 INFO L221 ElimStorePlain]: Needed 9 recursive calls to eliminate 8 variables, input treesize:149, output treesize:83 [2019-11-23 21:30:28,076 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:28,153 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:28,153 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 169 treesize of output 179 [2019-11-23 21:30:28,154 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:28,197 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:28,197 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 169 treesize of output 179 [2019-11-23 21:30:28,198 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:28,381 WARN L192 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-11-23 21:30:28,381 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:28,382 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.offset_22|, |v_#memory_$Pointer$.offset_21|, |v_#memory_$Pointer$.base_20|, |v_#memory_$Pointer$.base_22|, |v_#memory_$Pointer$.offset_20|, |v_#memory_$Pointer$.base_21|], 14=[|v_#memory_int_18|]} [2019-11-23 21:30:28,405 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 146 [2019-11-23 21:30:28,406 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:28,427 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 146 [2019-11-23 21:30:28,428 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:28,611 WARN L192 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-11-23 21:30:28,611 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:28,636 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 127 [2019-11-23 21:30:28,637 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:28,656 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 127 [2019-11-23 21:30:28,657 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:28,840 WARN L192 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-11-23 21:30:28,841 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:28,848 INFO L496 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-23 21:30:28,855 INFO L496 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-23 21:30:28,993 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-11-23 21:30:28,993 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:29,004 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:29,014 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 90 [2019-11-23 21:30:29,015 INFO L496 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:29,022 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:29,027 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 90 [2019-11-23 21:30:29,028 INFO L496 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:29,096 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:29,110 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 94 [2019-11-23 21:30:29,111 INFO L496 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:29,121 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 94 [2019-11-23 21:30:29,122 INFO L496 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:29,181 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:29,189 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:29,203 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 85 [2019-11-23 21:30:29,204 INFO L496 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:29,236 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:29,242 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 85 [2019-11-23 21:30:29,243 INFO L496 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:29,321 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:29,328 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:29,329 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:29,330 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:29,359 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 83 [2019-11-23 21:30:29,360 INFO L496 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:29,366 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:29,367 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:29,368 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:29,381 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 83 [2019-11-23 21:30:29,382 INFO L496 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:29,433 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:29,435 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 7 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-11-23 21:30:29,435 INFO L221 ElimStorePlain]: Needed 17 recursive calls to eliminate 12 variables, input treesize:339, output treesize:159 [2019-11-23 21:30:29,532 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:29,996 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:30,007 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:30,008 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 109 treesize of output 64 [2019-11-23 21:30:30,008 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:30:30,009 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:30:30,010 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-23 21:30:30,018 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:30,019 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 109 treesize of output 64 [2019-11-23 21:30:30,020 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:30:30,020 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:30:30,021 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-23 21:30:30,079 INFO L567 ElimStorePlain]: treesize reduction 32, result has 72.6 percent of original size [2019-11-23 21:30:30,087 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 29 [2019-11-23 21:30:30,088 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:30,099 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 29 [2019-11-23 21:30:30,100 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:30,114 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:30,115 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-11-23 21:30:30,116 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:219, output treesize:21 [2019-11-23 21:30:30,164 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:30,185 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 13 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:30:30,186 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-23 21:30:30,186 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11] total 21 [2019-11-23 21:30:30,186 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505230153] [2019-11-23 21:30:30,187 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2019-11-23 21:30:30,187 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:30:30,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2019-11-23 21:30:30,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2019-11-23 21:30:30,188 INFO L87 Difference]: Start difference. First operand 64 states and 81 transitions. Second operand 21 states. [2019-11-23 21:30:30,558 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 59 [2019-11-23 21:30:30,822 WARN L192 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 103 [2019-11-23 21:30:31,220 WARN L192 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 110 [2019-11-23 21:30:31,498 WARN L192 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 102 [2019-11-23 21:30:31,776 WARN L192 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 107 [2019-11-23 21:30:32,073 WARN L192 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 107 [2019-11-23 21:30:32,390 WARN L192 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 126 [2019-11-23 21:30:32,700 WARN L192 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 114 [2019-11-23 21:30:33,046 WARN L192 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 133 [2019-11-23 21:30:33,313 WARN L192 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 106 [2019-11-23 21:30:33,635 WARN L192 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 128 [2019-11-23 21:30:33,970 WARN L192 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 125 [2019-11-23 21:30:34,328 WARN L192 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 124 [2019-11-23 21:30:34,525 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 72 [2019-11-23 21:30:34,771 WARN L192 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 93 [2019-11-23 21:30:34,986 WARN L192 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 79 [2019-11-23 21:30:35,259 WARN L192 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 100 [2019-11-23 21:30:35,438 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 71 [2019-11-23 21:30:35,678 WARN L192 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 95 [2019-11-23 21:30:35,927 WARN L192 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 92 [2019-11-23 21:30:36,189 WARN L192 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 91 [2019-11-23 21:30:36,401 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 86 [2019-11-23 21:30:36,562 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 61 [2019-11-23 21:30:36,780 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 88 [2019-11-23 21:30:36,958 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 63 [2019-11-23 21:30:37,193 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 90 [2019-11-23 21:30:37,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:30:37,220 INFO L93 Difference]: Finished difference Result 88 states and 107 transitions. [2019-11-23 21:30:37,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2019-11-23 21:30:37,221 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 45 [2019-11-23 21:30:37,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:30:37,222 INFO L225 Difference]: With dead ends: 88 [2019-11-23 21:30:37,222 INFO L226 Difference]: Without dead ends: 86 [2019-11-23 21:30:37,223 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 36 SyntacticMatches, 7 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 461 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=603, Invalid=1653, Unknown=0, NotChecked=0, Total=2256 [2019-11-23 21:30:37,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2019-11-23 21:30:37,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 67. [2019-11-23 21:30:37,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2019-11-23 21:30:37,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 85 transitions. [2019-11-23 21:30:37,230 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 85 transitions. Word has length 45 [2019-11-23 21:30:37,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:30:37,231 INFO L462 AbstractCegarLoop]: Abstraction has 67 states and 85 transitions. [2019-11-23 21:30:37,231 INFO L463 AbstractCegarLoop]: Interpolant automaton has 21 states. [2019-11-23 21:30:37,231 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 85 transitions. [2019-11-23 21:30:37,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-23 21:30:37,232 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:30:37,232 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:30:37,435 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:30:37,436 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:30:37,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:30:37,437 INFO L82 PathProgramCache]: Analyzing trace with hash 2085516585, now seen corresponding path program 5 times [2019-11-23 21:30:37,437 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:30:37,437 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203236823] [2019-11-23 21:30:37,437 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:30:37,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:30:37,742 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 12 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:30:37,742 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203236823] [2019-11-23 21:30:37,742 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [109483232] [2019-11-23 21:30:37,742 INFO L92 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:30:37,842 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2019-11-23 21:30:37,842 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-23 21:30:37,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 76 conjunts are in the unsatisfiable core [2019-11-23 21:30:37,849 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 21:30:37,875 INFO L377 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 [2019-11-23 21:30:37,876 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:37,886 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:37,889 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2019-11-23 21:30:37,890 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:37,899 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:37,902 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2019-11-23 21:30:37,902 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:37,910 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:37,911 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:30:37,911 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:32, output treesize:23 [2019-11-23 21:30:37,937 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:37,938 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2019-11-23 21:30:37,938 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:37,987 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:37,992 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-23 21:30:38,043 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:38,046 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-23 21:30:38,085 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:38,092 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:38,093 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:38,095 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:38,096 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 36 [2019-11-23 21:30:38,096 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:38,143 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:38,145 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-23 21:30:38,172 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:38,176 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:38,184 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2019-11-23 21:30:38,184 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:38,206 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:38,210 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:38,212 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2019-11-23 21:30:38,213 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:38,233 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:38,234 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 6 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:30:38,234 INFO L221 ElimStorePlain]: Needed 8 recursive calls to eliminate 8 variables, input treesize:126, output treesize:41 [2019-11-23 21:30:38,264 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.base_26|, |v_#memory_$Pointer$.offset_26|, |v_#memory_$Pointer$.base_27|, |v_#memory_$Pointer$.offset_27|], 5=[|v_#memory_$Pointer$.offset_29|, |v_#memory_$Pointer$.base_29|]} [2019-11-23 21:30:38,267 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-23 21:30:38,317 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:38,320 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-23 21:30:38,362 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:38,367 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-23 21:30:38,429 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:38,431 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-23 21:30:38,457 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:38,465 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:38,466 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:38,468 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:38,493 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:38,493 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 94 [2019-11-23 21:30:38,494 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:38,560 INFO L567 ElimStorePlain]: treesize reduction 44, result has 66.4 percent of original size [2019-11-23 21:30:38,567 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:38,568 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:38,569 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:38,601 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:38,602 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 97 [2019-11-23 21:30:38,603 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:38,603 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:38,603 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:38,604 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:38,605 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:38,605 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:38,606 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:38,607 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:38,607 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:38,608 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:38,608 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:38,609 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:38,609 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:38,610 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:38,611 INFO L496 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-23 21:30:38,682 INFO L567 ElimStorePlain]: treesize reduction 32, result has 74.6 percent of original size [2019-11-23 21:30:38,683 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:38,683 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:38,684 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 6 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-23 21:30:38,684 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 7 variables, input treesize:139, output treesize:67 [2019-11-23 21:30:38,685 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:38,685 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:38,726 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:38,726 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:38,764 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:38,765 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:38,793 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:38,794 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:38,834 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:38,834 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:38,957 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:30:39,206 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:39,521 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:30:39,731 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:30:39,816 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:39,816 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 117 treesize of output 138 [2019-11-23 21:30:39,818 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:39,823 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-23 21:30:39,888 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:39,888 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 145 treesize of output 141 [2019-11-23 21:30:39,890 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:30:39,891 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:39,891 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:39,892 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:30:39,896 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:39,896 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:30:39,897 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:39,899 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:39,900 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:39,904 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:30:39,905 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:39,906 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:39,907 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:30:39,908 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:39,908 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:39,909 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:39,910 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:39,911 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:39,912 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:39,913 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:39,915 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:39,916 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:39,916 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:39,917 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:39,919 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:39,920 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:39,921 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:39,921 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:30:39,922 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:39,924 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:39,926 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:30:39,926 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:39,928 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:39,930 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:39,932 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:30:39,934 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:30:39,935 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:39,936 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:39,936 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:30:39,938 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:30:39,939 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:39,940 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:39,941 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:39,942 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:39,944 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:39,945 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:39,947 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:39,949 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:39,950 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:39,950 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:30:39,952 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:39,953 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:39,954 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:39,959 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:39,961 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:39,962 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:39,964 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:39,966 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:30:39,968 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:30:39,968 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:39,969 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:39,970 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:39,971 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:39,972 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:39,972 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:39,973 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:39,974 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:39,975 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:39,976 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:39,977 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:39,979 INFO L496 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-23 21:30:40,070 INFO L343 Elim1Store]: treesize reduction 8, result has 86.7 percent of original size [2019-11-23 21:30:40,071 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 118 treesize of output 122 [2019-11-23 21:30:40,073 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:40,074 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:30:40,075 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:30:40,076 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:40,077 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:30:40,078 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:30:40,080 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-23 21:30:40,291 WARN L192 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 78 [2019-11-23 21:30:40,292 INFO L567 ElimStorePlain]: treesize reduction 183, result has 48.6 percent of original size [2019-11-23 21:30:40,337 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:40,338 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 57 [2019-11-23 21:30:40,339 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:40,409 INFO L343 Elim1Store]: treesize reduction 12, result has 67.6 percent of original size [2019-11-23 21:30:40,409 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 72 [2019-11-23 21:30:40,411 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:40,430 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:40,431 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 49 [2019-11-23 21:30:40,432 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:40,493 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:40,495 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:40,497 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2019-11-23 21:30:40,497 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:381, output treesize:37 [2019-11-23 21:30:40,680 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:40,893 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 3 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:30:40,893 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-23 21:30:40,894 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 25 [2019-11-23 21:30:40,895 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003903178] [2019-11-23 21:30:40,896 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2019-11-23 21:30:40,896 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:30:40,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2019-11-23 21:30:40,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=543, Unknown=0, NotChecked=0, Total=600 [2019-11-23 21:30:40,897 INFO L87 Difference]: Start difference. First operand 67 states and 85 transitions. Second operand 25 states. [2019-11-23 21:30:41,656 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 66 [2019-11-23 21:30:41,947 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 68 [2019-11-23 21:30:42,140 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 70 [2019-11-23 21:30:42,325 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 68 [2019-11-23 21:30:42,997 WARN L192 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 95 [2019-11-23 21:30:43,557 WARN L192 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 100 [2019-11-23 21:30:44,098 WARN L192 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 102 [2019-11-23 21:30:44,454 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 100 [2019-11-23 21:30:44,657 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 98 [2019-11-23 21:30:45,415 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 109 [2019-11-23 21:30:45,703 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 107 [2019-11-23 21:30:46,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:30:46,090 INFO L93 Difference]: Finished difference Result 150 states and 183 transitions. [2019-11-23 21:30:46,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2019-11-23 21:30:46,091 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 51 [2019-11-23 21:30:46,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:30:46,092 INFO L225 Difference]: With dead ends: 150 [2019-11-23 21:30:46,092 INFO L226 Difference]: Without dead ends: 79 [2019-11-23 21:30:46,094 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 37 SyntacticMatches, 4 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 436 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=317, Invalid=2133, Unknown=0, NotChecked=0, Total=2450 [2019-11-23 21:30:46,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2019-11-23 21:30:46,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 72. [2019-11-23 21:30:46,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2019-11-23 21:30:46,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 92 transitions. [2019-11-23 21:30:46,101 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 92 transitions. Word has length 51 [2019-11-23 21:30:46,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:30:46,101 INFO L462 AbstractCegarLoop]: Abstraction has 72 states and 92 transitions. [2019-11-23 21:30:46,101 INFO L463 AbstractCegarLoop]: Interpolant automaton has 25 states. [2019-11-23 21:30:46,102 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 92 transitions. [2019-11-23 21:30:46,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-23 21:30:46,103 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:30:46,103 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:30:46,307 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:30:46,307 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:30:46,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:30:46,308 INFO L82 PathProgramCache]: Analyzing trace with hash -1013477057, now seen corresponding path program 6 times [2019-11-23 21:30:46,308 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:30:46,309 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88206639] [2019-11-23 21:30:46,309 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:30:46,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:30:46,815 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 18 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:30:46,815 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88206639] [2019-11-23 21:30:46,816 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1410415256] [2019-11-23 21:30:46,816 INFO L92 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:30:46,918 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2019-11-23 21:30:46,918 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-23 21:30:46,921 INFO L255 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 103 conjunts are in the unsatisfiable core [2019-11-23 21:30:46,926 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 21:30:46,928 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:46,940 INFO L377 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 39 treesize of output 38 [2019-11-23 21:30:46,940 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:46,946 INFO L377 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 39 treesize of output 38 [2019-11-23 21:30:46,946 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:46,976 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:46,983 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:46,984 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:46,984 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:46,998 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 31 [2019-11-23 21:30:46,998 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:47,008 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:47,010 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:47,010 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:47,018 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 31 [2019-11-23 21:30:47,019 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:47,045 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:47,045 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-11-23 21:30:47,046 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:79, output treesize:39 [2019-11-23 21:30:47,085 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:47,132 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:47,133 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 75 treesize of output 97 [2019-11-23 21:30:47,134 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:47,352 WARN L192 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2019-11-23 21:30:47,352 INFO L567 ElimStorePlain]: treesize reduction 14, result has 91.4 percent of original size [2019-11-23 21:30:47,385 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:47,386 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 75 treesize of output 97 [2019-11-23 21:30:47,387 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:47,605 WARN L192 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2019-11-23 21:30:47,606 INFO L567 ElimStorePlain]: treesize reduction 14, result has 91.3 percent of original size [2019-11-23 21:30:47,607 INFO L392 ElimStorePlain]: Different costs {0=[v_prenex_63, |v_#memory_$Pointer$.base_30|, |v_#memory_$Pointer$.offset_30|, v_prenex_59], 6=[v_prenex_60, |v_#memory_int_20|]} [2019-11-23 21:30:47,618 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 73 treesize of output 69 [2019-11-23 21:30:47,619 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:47,707 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:47,715 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 73 treesize of output 69 [2019-11-23 21:30:47,716 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:47,793 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:47,802 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 69 treesize of output 65 [2019-11-23 21:30:47,803 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:47,871 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:47,878 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 69 treesize of output 65 [2019-11-23 21:30:47,879 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:47,936 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:47,946 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:47,947 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:47,948 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:47,955 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 61 [2019-11-23 21:30:47,956 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:48,011 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:48,016 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:48,017 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:48,018 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:48,027 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 61 [2019-11-23 21:30:48,028 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:48,076 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:48,077 INFO L496 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-1 vars, 6 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-11-23 21:30:48,077 INFO L221 ElimStorePlain]: Needed 9 recursive calls to eliminate 14 variables, input treesize:151, output treesize:91 [2019-11-23 21:30:48,140 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:48,270 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:48,271 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 179 treesize of output 242 [2019-11-23 21:30:48,272 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:50,029 WARN L192 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 152 DAG size of output: 148 [2019-11-23 21:30:50,030 INFO L567 ElimStorePlain]: treesize reduction 40, result has 90.1 percent of original size [2019-11-23 21:30:50,163 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:50,164 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 179 treesize of output 242 [2019-11-23 21:30:50,165 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:51,720 WARN L192 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 151 DAG size of output: 147 [2019-11-23 21:30:51,721 INFO L567 ElimStorePlain]: treesize reduction 40, result has 90.3 percent of original size [2019-11-23 21:30:51,723 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.base_35|, v_prenex_71, v_prenex_70, v_prenex_65, v_prenex_74, v_prenex_73, v_prenex_68, |v_#memory_$Pointer$.offset_32|, |v_#memory_$Pointer$.offset_35|, |v_#memory_$Pointer$.base_31|, |v_#memory_$Pointer$.offset_31|, |v_#memory_$Pointer$.base_32|], 6=[v_prenex_69, |v_#memory_int_21|]} [2019-11-23 21:30:51,761 INFO L377 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 185 treesize of output 157 [2019-11-23 21:30:51,762 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:52,421 WARN L192 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2019-11-23 21:30:52,422 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:52,439 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-23 21:30:52,996 WARN L192 SmtUtils]: Spent 556.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2019-11-23 21:30:52,997 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:53,004 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-23 21:30:53,480 WARN L192 SmtUtils]: Spent 475.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-11-23 21:30:53,481 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:53,501 INFO L377 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 157 treesize of output 129 [2019-11-23 21:30:53,502 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:53,903 WARN L192 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-11-23 21:30:53,904 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:53,911 INFO L496 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-23 21:30:54,221 WARN L192 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-11-23 21:30:54,222 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:54,234 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:54,237 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:54,240 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:54,264 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 131 [2019-11-23 21:30:54,264 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:54,521 WARN L192 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-11-23 21:30:54,521 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:54,535 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:54,550 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 119 [2019-11-23 21:30:54,551 INFO L496 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:54,939 WARN L192 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2019-11-23 21:30:54,940 INFO L567 ElimStorePlain]: treesize reduction 4, result has 98.6 percent of original size [2019-11-23 21:30:54,946 INFO L496 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-23 21:30:55,116 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-11-23 21:30:55,116 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:55,126 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:55,141 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 140 [2019-11-23 21:30:55,142 INFO L496 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:55,290 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-11-23 21:30:55,290 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:55,302 INFO L377 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 137 treesize of output 109 [2019-11-23 21:30:55,303 INFO L496 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:55,419 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-11-23 21:30:55,419 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:55,430 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:55,439 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 120 [2019-11-23 21:30:55,440 INFO L496 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:55,549 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-11-23 21:30:55,549 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:55,560 INFO L377 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 114 treesize of output 101 [2019-11-23 21:30:55,561 INFO L496 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:55,758 WARN L192 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2019-11-23 21:30:55,759 INFO L567 ElimStorePlain]: treesize reduction 4, result has 98.3 percent of original size [2019-11-23 21:30:55,767 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:55,768 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:55,769 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:55,776 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 120 [2019-11-23 21:30:55,777 INFO L496 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:55,884 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-11-23 21:30:55,884 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:55,892 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:55,893 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:55,894 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:55,904 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 102 [2019-11-23 21:30:55,905 INFO L496 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:55,996 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:55,997 INFO L496 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-1 vars, 14 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-11-23 21:30:55,997 INFO L221 ElimStorePlain]: Needed 17 recursive calls to eliminate 22 variables, input treesize:359, output treesize:187 [2019-11-23 21:30:56,092 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:56,093 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:56,096 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:56,098 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:30:56,204 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:56,308 INFO L237 Elim1Store]: Index analysis took 166 ms [2019-11-23 21:30:56,321 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:56,322 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 225 treesize of output 241 [2019-11-23 21:30:56,323 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:56,404 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:56,418 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:56,419 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 225 treesize of output 241 [2019-11-23 21:30:56,420 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:58,482 WARN L192 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 161 [2019-11-23 21:30:58,482 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:58,540 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:58,684 INFO L237 Elim1Store]: Index analysis took 174 ms [2019-11-23 21:30:58,698 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:58,698 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 225 treesize of output 241 [2019-11-23 21:30:58,699 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-23 21:30:58,746 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:30:58,793 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:30:58,794 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 225 treesize of output 241 [2019-11-23 21:30:58,795 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-23 21:31:00,605 WARN L192 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 158 [2019-11-23 21:31:00,606 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:31:00,608 INFO L392 ElimStorePlain]: Different costs {2=[v_prenex_83, |v_#memory_$Pointer$.base_34|, v_prenex_81, v_prenex_75, |v_#memory_$Pointer$.offset_33|, v_prenex_79, |v_#memory_$Pointer$.offset_34|, |v_#memory_$Pointer$.base_33|], 5=[|v_#memory_$Pointer$.base_36|, v_prenex_80, v_prenex_76, |v_#memory_$Pointer$.offset_36|], 6=[|v_#memory_int_22|, v_prenex_78]} [2019-11-23 21:31:00,619 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-23 21:31:00,648 INFO L496 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-23 21:31:02,331 WARN L192 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 159 [2019-11-23 21:31:02,332 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:31:02,344 INFO L496 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-23 21:31:02,358 INFO L496 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-23 21:31:04,092 WARN L192 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 160 [2019-11-23 21:31:04,093 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:31:04,105 INFO L496 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-23 21:31:04,118 INFO L496 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-23 21:31:05,744 WARN L192 SmtUtils]: Spent 1.62 s on a formula simplification that was a NOOP. DAG size: 158 [2019-11-23 21:31:05,744 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:31:05,757 INFO L496 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-23 21:31:05,771 INFO L496 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-23 21:31:07,379 WARN L192 SmtUtils]: Spent 1.61 s on a formula simplification that was a NOOP. DAG size: 159 [2019-11-23 21:31:07,379 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:31:07,392 INFO L496 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-23 21:31:07,407 INFO L496 ElimStorePlain]: Start of recursive call 15: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-23 21:31:09,314 WARN L192 SmtUtils]: Spent 1.91 s on a formula simplification that was a NOOP. DAG size: 160 [2019-11-23 21:31:09,314 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:31:09,329 INFO L496 ElimStorePlain]: Start of recursive call 16: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-23 21:31:09,341 INFO L496 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-23 21:31:10,741 WARN L192 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 158 [2019-11-23 21:31:10,741 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:31:10,750 INFO L496 ElimStorePlain]: Start of recursive call 18: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-23 21:31:10,774 INFO L496 ElimStorePlain]: Start of recursive call 19: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-23 21:31:12,042 WARN L192 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 156 [2019-11-23 21:31:12,043 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:31:12,065 INFO L496 ElimStorePlain]: Start of recursive call 20: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-23 21:31:12,075 INFO L496 ElimStorePlain]: Start of recursive call 21: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-23 21:31:13,191 WARN L192 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 154 [2019-11-23 21:31:13,193 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:31:13,242 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:31:13,247 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:31:13,254 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:31:13,326 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:31:13,327 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 161 treesize of output 162 [2019-11-23 21:31:13,328 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:13,329 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:13,329 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:13,330 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:13,330 INFO L496 ElimStorePlain]: Start of recursive call 22: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-23 21:31:13,356 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:31:13,359 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:31:13,364 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:31:13,411 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:31:13,411 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 161 treesize of output 162 [2019-11-23 21:31:13,412 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:13,413 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:13,413 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:13,414 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:13,414 INFO L496 ElimStorePlain]: Start of recursive call 23: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-23 21:31:15,810 WARN L192 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 173 DAG size of output: 161 [2019-11-23 21:31:15,811 INFO L567 ElimStorePlain]: treesize reduction 112, result has 84.0 percent of original size [2019-11-23 21:31:15,828 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:31:15,831 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:31:15,835 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:31:15,837 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:31:15,893 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 161 treesize of output 171 [2019-11-23 21:31:15,893 INFO L496 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2019-11-23 21:31:15,914 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:31:15,917 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:31:15,920 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:31:15,922 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:31:15,957 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 161 treesize of output 171 [2019-11-23 21:31:15,958 INFO L496 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2019-11-23 21:31:16,407 WARN L192 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-23 21:31:16,407 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:31:16,430 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:31:16,432 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:31:16,434 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:31:16,475 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:31:16,475 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 165 treesize of output 166 [2019-11-23 21:31:16,476 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:16,477 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:16,478 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:16,478 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:16,479 INFO L496 ElimStorePlain]: Start of recursive call 26: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-23 21:31:16,491 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:31:16,492 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:31:16,494 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:31:16,523 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:31:16,524 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 165 treesize of output 166 [2019-11-23 21:31:16,525 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:16,525 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:16,526 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:16,527 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:16,527 INFO L496 ElimStorePlain]: Start of recursive call 27: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-23 21:31:17,287 WARN L192 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 161 [2019-11-23 21:31:17,288 INFO L567 ElimStorePlain]: treesize reduction 112, result has 82.7 percent of original size [2019-11-23 21:31:17,301 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:31:17,303 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:31:17,304 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:31:17,306 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:31:17,308 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:31:17,309 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:31:17,334 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 142 [2019-11-23 21:31:17,334 INFO L496 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2019-11-23 21:31:17,347 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:31:17,349 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:31:17,351 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:31:17,353 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:31:17,354 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:31:17,356 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:31:17,369 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 142 [2019-11-23 21:31:17,370 INFO L496 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2019-11-23 21:31:17,683 WARN L192 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-23 21:31:17,683 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:31:17,695 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:31:17,696 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:31:17,698 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:31:17,734 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 132 [2019-11-23 21:31:17,734 INFO L496 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2019-11-23 21:31:17,745 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:31:17,746 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:31:17,747 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:31:17,769 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 132 [2019-11-23 21:31:17,770 INFO L496 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2019-11-23 21:31:18,066 WARN L192 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-11-23 21:31:18,067 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:31:18,079 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:31:18,081 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:31:18,082 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:31:18,110 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 132 [2019-11-23 21:31:18,111 INFO L496 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2019-11-23 21:31:18,119 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:31:18,120 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:31:18,121 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:31:18,140 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 132 [2019-11-23 21:31:18,141 INFO L496 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2019-11-23 21:31:18,361 WARN L192 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-11-23 21:31:18,362 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:31:18,364 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, 14 dim-2 vars, End of recursive call: and 4 xjuncts. [2019-11-23 21:31:18,365 INFO L221 ElimStorePlain]: Needed 33 recursive calls to eliminate 20 variables, input treesize:901, output treesize:509 [2019-11-23 21:31:18,522 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-11-23 21:31:18,702 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-11-23 21:31:18,899 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-11-23 21:31:19,101 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 51 [2019-11-23 21:31:19,105 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:19,399 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-11-23 21:31:19,776 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:19,921 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:19,936 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-23 21:31:19,982 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:31:19,983 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 193 treesize of output 169 [2019-11-23 21:31:19,984 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:31:19,985 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:19,985 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:19,986 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:31:19,986 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:19,987 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:19,987 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:19,988 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:19,988 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:31:19,989 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:19,989 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:19,989 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:19,990 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:19,990 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:19,991 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:19,992 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:19,992 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:19,992 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:19,993 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:19,993 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:19,994 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:19,994 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:19,995 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:19,996 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:31:19,996 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:19,997 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:19,997 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:19,998 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:19,998 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:19,998 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:19,999 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:19,999 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,000 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,001 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,001 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,001 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,002 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,002 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,003 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:31:20,004 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,004 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,004 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:31:20,004 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,005 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,005 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,005 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,006 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:31:20,006 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,007 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,007 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,007 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,008 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,009 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,009 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,010 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,010 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,011 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,011 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,012 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,012 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,013 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,014 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:31:20,015 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,018 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,018 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,019 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,020 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,021 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,021 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,022 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,022 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,023 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,024 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,024 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,025 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,025 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,026 INFO L496 ElimStorePlain]: Start of recursive call 2: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-11-23 21:31:20,133 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2019-11-23 21:31:20,134 INFO L343 Elim1Store]: treesize reduction 16, result has 83.3 percent of original size [2019-11-23 21:31:20,134 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 209 treesize of output 188 [2019-11-23 21:31:20,136 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,137 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,137 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:31:20,138 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,139 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,139 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,140 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,140 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:31:20,141 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:31:20,142 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:31:20,143 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,143 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,144 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:31:20,144 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:31:20,145 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:31:20,148 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,148 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:31:20,148 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:31:20,149 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,149 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:31:20,149 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,150 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,150 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,151 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:31:20,151 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,151 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,152 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:31:20,152 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,152 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:31:20,153 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,153 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,154 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,154 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:31:20,155 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,155 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,157 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,157 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,158 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:31:20,158 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:31:20,158 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,159 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:31:20,159 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,159 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,160 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,160 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:31:20,161 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,161 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,162 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:31:20,162 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,162 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:31:20,163 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,163 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,164 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,165 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:31:20,165 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,166 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,167 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:31:20,167 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,168 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,168 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:31:20,169 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:31:20,170 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:31:20,172 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,172 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,173 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,174 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,174 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:31:20,174 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:31:20,175 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:31:20,177 INFO L496 ElimStorePlain]: Start of recursive call 3: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-11-23 21:31:20,375 WARN L192 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 98 [2019-11-23 21:31:20,376 INFO L567 ElimStorePlain]: treesize reduction 158, result has 55.7 percent of original size [2019-11-23 21:31:20,408 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:31:20,409 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 2 case distinctions, treesize of input 101 treesize of output 95 [2019-11-23 21:31:20,410 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-23 21:31:20,424 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:31:20,424 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 2 case distinctions, treesize of input 97 treesize of output 91 [2019-11-23 21:31:20,425 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-23 21:31:20,480 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:31:20,482 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2019-11-23 21:31:20,482 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:403, output treesize:91 [2019-11-23 21:31:20,734 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:31:20,789 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 21 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:31:20,789 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-23 21:31:20,789 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 18] total 31 [2019-11-23 21:31:20,789 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332955967] [2019-11-23 21:31:20,789 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2019-11-23 21:31:20,790 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:31:20,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2019-11-23 21:31:20,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=858, Unknown=0, NotChecked=0, Total=930 [2019-11-23 21:31:20,790 INFO L87 Difference]: Start difference. First operand 72 states and 92 transitions. Second operand 31 states. [2019-11-23 21:31:21,499 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 59 [2019-11-23 21:31:21,659 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 56 [2019-11-23 21:31:22,007 WARN L192 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 77 [2019-11-23 21:31:22,262 WARN L192 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 74 [2019-11-23 21:31:22,757 WARN L192 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 135 [2019-11-23 21:31:23,324 WARN L192 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 140 [2019-11-23 21:31:23,922 WARN L192 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 135 [2019-11-23 21:31:24,437 WARN L192 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 133 [2019-11-23 21:31:24,943 WARN L192 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 137 [2019-11-23 21:31:25,507 WARN L192 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 135 [2019-11-23 21:31:26,007 WARN L192 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 132 [2019-11-23 21:31:26,600 WARN L192 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 137 [2019-11-23 21:31:27,104 WARN L192 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 132 [2019-11-23 21:31:27,599 WARN L192 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 130 [2019-11-23 21:31:28,084 WARN L192 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 134 [2019-11-23 21:31:28,591 WARN L192 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 132 [2019-11-23 21:31:29,089 WARN L192 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 133 [2019-11-23 21:31:29,570 WARN L192 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 179 [2019-11-23 21:31:29,948 WARN L192 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 113