/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/list-properties/list_flag-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-23 21:59:22,032 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-23 21:59:22,034 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-23 21:59:22,046 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-23 21:59:22,047 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-23 21:59:22,048 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-23 21:59:22,049 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-23 21:59:22,051 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-23 21:59:22,053 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-23 21:59:22,054 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-23 21:59:22,055 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-23 21:59:22,056 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-23 21:59:22,056 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-23 21:59:22,057 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-23 21:59:22,058 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-23 21:59:22,059 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-23 21:59:22,060 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-23 21:59:22,061 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-23 21:59:22,063 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-23 21:59:22,065 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-23 21:59:22,067 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-23 21:59:22,068 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-23 21:59:22,069 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-23 21:59:22,070 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-23 21:59:22,072 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-23 21:59:22,079 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-23 21:59:22,080 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-23 21:59:22,081 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-23 21:59:22,082 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 21:59:22,096 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-23 21:59:22,096 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-23 21:59:22,098 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-23 21:59:22,098 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-23 21:59:22,098 INFO L138 SettingsManager]: * Use SBE=true [2019-11-23 21:59:22,098 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-23 21:59:22,099 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-23 21:59:22,099 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-23 21:59:22,099 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-23 21:59:22,099 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-23 21:59:22,099 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-23 21:59:22,100 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-23 21:59:22,100 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-23 21:59:22,100 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-23 21:59:22,100 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-23 21:59:22,100 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-23 21:59:22,100 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-23 21:59:22,101 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-23 21:59:22,101 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-23 21:59:22,101 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-23 21:59:22,101 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-23 21:59:22,102 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-23 21:59:22,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 21:59:22,102 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-23 21:59:22,102 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-23 21:59:22,103 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-23 21:59:22,103 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-23 21:59:22,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-23 21:59:22,103 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-23 21:59:22,103 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-23 21:59:22,402 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-23 21:59:22,414 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-23 21:59:22,421 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-23 21:59:22,425 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-23 21:59:22,426 INFO L275 PluginConnector]: CDTParser initialized [2019-11-23 21:59:22,426 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-properties/list_flag-2.i [2019-11-23 21:59:22,491 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/480b1ac08/43e758b5a3024ee5b92799617bd96840/FLAG47a38693a [2019-11-23 21:59:23,098 INFO L306 CDTParser]: Found 1 translation units. [2019-11-23 21:59:23,099 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-properties/list_flag-2.i [2019-11-23 21:59:23,132 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/480b1ac08/43e758b5a3024ee5b92799617bd96840/FLAG47a38693a [2019-11-23 21:59:23,369 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/480b1ac08/43e758b5a3024ee5b92799617bd96840 [2019-11-23 21:59:23,382 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-23 21:59:23,384 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-23 21:59:23,386 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-23 21:59:23,387 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-23 21:59:23,390 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-23 21:59:23,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:59:23" (1/1) ... [2019-11-23 21:59:23,394 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3651ede2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:59:23, skipping insertion in model container [2019-11-23 21:59:23,395 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:59:23" (1/1) ... [2019-11-23 21:59:23,403 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-23 21:59:23,462 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-23 21:59:23,891 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 21:59:23,902 INFO L203 MainTranslator]: Completed pre-run [2019-11-23 21:59:23,946 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 21:59:24,023 INFO L208 MainTranslator]: Completed translation [2019-11-23 21:59:24,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:59:24 WrapperNode [2019-11-23 21:59:24,023 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-23 21:59:24,024 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-23 21:59:24,024 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-23 21:59:24,024 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-23 21:59:24,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:59:24" (1/1) ... [2019-11-23 21:59:24,050 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:59:24" (1/1) ... [2019-11-23 21:59:24,072 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-23 21:59:24,073 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-23 21:59:24,073 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-23 21:59:24,073 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-23 21:59:24,081 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:59:24" (1/1) ... [2019-11-23 21:59:24,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:59:24" (1/1) ... [2019-11-23 21:59:24,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:59:24" (1/1) ... [2019-11-23 21:59:24,085 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:59:24" (1/1) ... [2019-11-23 21:59:24,092 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:59:24" (1/1) ... [2019-11-23 21:59:24,097 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:59:24" (1/1) ... [2019-11-23 21:59:24,099 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:59:24" (1/1) ... [2019-11-23 21:59:24,105 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-23 21:59:24,105 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-23 21:59:24,105 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-23 21:59:24,106 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-23 21:59:24,110 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:59:24" (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 21:59:24,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-23 21:59:24,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-23 21:59:24,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-23 21:59:24,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-23 21:59:24,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-23 21:59:24,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-23 21:59:24,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-23 21:59:24,525 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-23 21:59:24,525 INFO L284 CfgBuilder]: Removed 11 assume(true) statements. [2019-11-23 21:59:24,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:59:24 BoogieIcfgContainer [2019-11-23 21:59:24,527 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-23 21:59:24,528 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-23 21:59:24,528 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-23 21:59:24,531 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-23 21:59:24,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:59:23" (1/3) ... [2019-11-23 21:59:24,533 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e564f24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:59:24, skipping insertion in model container [2019-11-23 21:59:24,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:59:24" (2/3) ... [2019-11-23 21:59:24,533 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e564f24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:59:24, skipping insertion in model container [2019-11-23 21:59:24,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:59:24" (3/3) ... [2019-11-23 21:59:24,538 INFO L109 eAbstractionObserver]: Analyzing ICFG list_flag-2.i [2019-11-23 21:59:24,556 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-23 21:59:24,563 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-23 21:59:24,573 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-23 21:59:24,595 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-23 21:59:24,595 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-23 21:59:24,595 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-23 21:59:24,595 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-23 21:59:24,596 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-23 21:59:24,596 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-23 21:59:24,596 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-23 21:59:24,596 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-23 21:59:24,611 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2019-11-23 21:59:24,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-23 21:59:24,619 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:59:24,620 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:59:24,620 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:59:24,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:59:24,627 INFO L82 PathProgramCache]: Analyzing trace with hash -1941242346, now seen corresponding path program 1 times [2019-11-23 21:59:24,637 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:59:24,637 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661206921] [2019-11-23 21:59:24,638 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:59:24,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:59:24,767 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 21:59:24,768 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661206921] [2019-11-23 21:59:24,769 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:59:24,769 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-23 21:59:24,770 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852382439] [2019-11-23 21:59:24,775 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-23 21:59:24,776 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:59:24,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-23 21:59:24,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-23 21:59:24,790 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 2 states. [2019-11-23 21:59:24,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:59:24,806 INFO L93 Difference]: Finished difference Result 38 states and 53 transitions. [2019-11-23 21:59:24,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-23 21:59:24,807 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-11-23 21:59:24,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:59:24,815 INFO L225 Difference]: With dead ends: 38 [2019-11-23 21:59:24,815 INFO L226 Difference]: Without dead ends: 20 [2019-11-23 21:59:24,818 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 21:59:24,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-11-23 21:59:24,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-11-23 21:59:24,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-11-23 21:59:24,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2019-11-23 21:59:24,848 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 24 transitions. Word has length 11 [2019-11-23 21:59:24,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:59:24,849 INFO L462 AbstractCegarLoop]: Abstraction has 20 states and 24 transitions. [2019-11-23 21:59:24,849 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-23 21:59:24,849 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2019-11-23 21:59:24,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-23 21:59:24,850 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:59:24,850 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:59:24,850 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:59:24,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:59:24,851 INFO L82 PathProgramCache]: Analyzing trace with hash -1795403316, now seen corresponding path program 1 times [2019-11-23 21:59:24,851 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:59:24,851 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257090966] [2019-11-23 21:59:24,852 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:59:24,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:59:24,975 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 21:59:24,976 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257090966] [2019-11-23 21:59:24,976 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:59:24,976 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-23 21:59:24,977 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801088943] [2019-11-23 21:59:24,978 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-23 21:59:24,978 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:59:24,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-23 21:59:24,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-23 21:59:24,980 INFO L87 Difference]: Start difference. First operand 20 states and 24 transitions. Second operand 5 states. [2019-11-23 21:59:25,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:59:25,144 INFO L93 Difference]: Finished difference Result 44 states and 53 transitions. [2019-11-23 21:59:25,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-23 21:59:25,145 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2019-11-23 21:59:25,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:59:25,146 INFO L225 Difference]: With dead ends: 44 [2019-11-23 21:59:25,146 INFO L226 Difference]: Without dead ends: 40 [2019-11-23 21:59:25,147 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-23 21:59:25,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-11-23 21:59:25,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 28. [2019-11-23 21:59:25,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-11-23 21:59:25,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 34 transitions. [2019-11-23 21:59:25,155 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 34 transitions. Word has length 13 [2019-11-23 21:59:25,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:59:25,155 INFO L462 AbstractCegarLoop]: Abstraction has 28 states and 34 transitions. [2019-11-23 21:59:25,155 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-23 21:59:25,155 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2019-11-23 21:59:25,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-23 21:59:25,156 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:59:25,156 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:59:25,156 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:59:25,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:59:25,157 INFO L82 PathProgramCache]: Analyzing trace with hash 1242942375, now seen corresponding path program 1 times [2019-11-23 21:59:25,157 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:59:25,157 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323021804] [2019-11-23 21:59:25,158 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:59:25,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:59:25,230 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:59:25,230 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323021804] [2019-11-23 21:59:25,234 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:59:25,234 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-23 21:59:25,234 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296465030] [2019-11-23 21:59:25,235 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-23 21:59:25,235 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:59:25,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-23 21:59:25,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-23 21:59:25,237 INFO L87 Difference]: Start difference. First operand 28 states and 34 transitions. Second operand 5 states. [2019-11-23 21:59:25,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:59:25,373 INFO L93 Difference]: Finished difference Result 46 states and 54 transitions. [2019-11-23 21:59:25,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-23 21:59:25,374 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2019-11-23 21:59:25,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:59:25,375 INFO L225 Difference]: With dead ends: 46 [2019-11-23 21:59:25,375 INFO L226 Difference]: Without dead ends: 38 [2019-11-23 21:59:25,376 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-23 21:59:25,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-11-23 21:59:25,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 26. [2019-11-23 21:59:25,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-11-23 21:59:25,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions. [2019-11-23 21:59:25,382 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 31 transitions. Word has length 15 [2019-11-23 21:59:25,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:59:25,382 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 31 transitions. [2019-11-23 21:59:25,382 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-23 21:59:25,383 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2019-11-23 21:59:25,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-23 21:59:25,383 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:59:25,384 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:59:25,384 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:59:25,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:59:25,384 INFO L82 PathProgramCache]: Analyzing trace with hash -799146, now seen corresponding path program 1 times [2019-11-23 21:59:25,385 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:59:25,385 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242856023] [2019-11-23 21:59:25,385 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:59:25,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:59:25,451 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:59:25,466 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242856023] [2019-11-23 21:59:25,466 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:59:25,466 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-23 21:59:25,466 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56993542] [2019-11-23 21:59:25,467 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-23 21:59:25,467 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:59:25,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-23 21:59:25,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-23 21:59:25,468 INFO L87 Difference]: Start difference. First operand 26 states and 31 transitions. Second operand 5 states. [2019-11-23 21:59:25,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:59:25,577 INFO L93 Difference]: Finished difference Result 44 states and 51 transitions. [2019-11-23 21:59:25,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-23 21:59:25,579 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2019-11-23 21:59:25,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:59:25,580 INFO L225 Difference]: With dead ends: 44 [2019-11-23 21:59:25,580 INFO L226 Difference]: Without dead ends: 34 [2019-11-23 21:59:25,581 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-23 21:59:25,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-11-23 21:59:25,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 22. [2019-11-23 21:59:25,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-11-23 21:59:25,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2019-11-23 21:59:25,589 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 15 [2019-11-23 21:59:25,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:59:25,589 INFO L462 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2019-11-23 21:59:25,589 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-23 21:59:25,589 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2019-11-23 21:59:25,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-23 21:59:25,593 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:59:25,593 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:59:25,593 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:59:25,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:59:25,594 INFO L82 PathProgramCache]: Analyzing trace with hash -172690303, now seen corresponding path program 1 times [2019-11-23 21:59:25,594 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:59:25,595 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994161799] [2019-11-23 21:59:25,595 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:59:25,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:59:25,691 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:59:25,691 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994161799] [2019-11-23 21:59:25,692 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:59:25,692 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 21:59:25,692 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084886337] [2019-11-23 21:59:25,693 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 21:59:25,693 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:59:25,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 21:59:25,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 21:59:25,694 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand 3 states. [2019-11-23 21:59:25,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:59:25,716 INFO L93 Difference]: Finished difference Result 50 states and 60 transitions. [2019-11-23 21:59:25,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 21:59:25,719 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-23 21:59:25,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:59:25,720 INFO L225 Difference]: With dead ends: 50 [2019-11-23 21:59:25,720 INFO L226 Difference]: Without dead ends: 34 [2019-11-23 21:59:25,721 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 21:59:25,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-11-23 21:59:25,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 30. [2019-11-23 21:59:25,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-23 21:59:25,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 35 transitions. [2019-11-23 21:59:25,728 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 35 transitions. Word has length 19 [2019-11-23 21:59:25,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:59:25,729 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 35 transitions. [2019-11-23 21:59:25,729 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 21:59:25,729 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2019-11-23 21:59:25,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-23 21:59:25,730 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:59:25,730 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:59:25,730 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:59:25,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:59:25,732 INFO L82 PathProgramCache]: Analyzing trace with hash -616427248, now seen corresponding path program 1 times [2019-11-23 21:59:25,732 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:59:25,732 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526036754] [2019-11-23 21:59:25,732 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:59:25,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:59:25,949 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:59:25,949 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526036754] [2019-11-23 21:59:25,949 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2133364072] [2019-11-23 21:59:25,950 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 21:59:26,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:59:26,035 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 24 conjunts are in the unsatisfiable core [2019-11-23 21:59:26,041 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 21:59:26,092 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 21:59:26,092 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:26,097 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:26,098 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:26,098 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-23 21:59:26,114 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 21:59:26,115 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:26,124 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:26,124 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:26,124 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:19 [2019-11-23 21:59:26,140 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:26,141 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 21:59:26,142 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:26,153 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:26,153 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:26,153 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:18 [2019-11-23 21:59:26,178 INFO L343 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2019-11-23 21:59:26,179 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 1 case distinctions, treesize of input 27 treesize of output 11 [2019-11-23 21:59:26,179 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:26,185 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:26,185 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:26,185 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:12 [2019-11-23 21:59:26,209 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 21:59:26,210 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:26,217 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:26,219 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-23 21:59:26,219 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:23, output treesize:19 [2019-11-23 21:59:26,267 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2019-11-23 21:59:26,268 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:26,272 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:26,273 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:26,273 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:26, output treesize:3 [2019-11-23 21:59:26,278 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:59:26,278 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-23 21:59:26,279 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2019-11-23 21:59:26,280 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537345171] [2019-11-23 21:59:26,281 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-23 21:59:26,281 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:59:26,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-23 21:59:26,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2019-11-23 21:59:26,283 INFO L87 Difference]: Start difference. First operand 30 states and 35 transitions. Second operand 11 states. [2019-11-23 21:59:26,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:59:26,579 INFO L93 Difference]: Finished difference Result 59 states and 67 transitions. [2019-11-23 21:59:26,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-23 21:59:26,583 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 19 [2019-11-23 21:59:26,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:59:26,584 INFO L225 Difference]: With dead ends: 59 [2019-11-23 21:59:26,584 INFO L226 Difference]: Without dead ends: 55 [2019-11-23 21:59:26,585 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2019-11-23 21:59:26,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-11-23 21:59:26,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 40. [2019-11-23 21:59:26,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-11-23 21:59:26,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 47 transitions. [2019-11-23 21:59:26,598 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 47 transitions. Word has length 19 [2019-11-23 21:59:26,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:59:26,598 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 47 transitions. [2019-11-23 21:59:26,600 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-23 21:59:26,600 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 47 transitions. [2019-11-23 21:59:26,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-23 21:59:26,601 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:59:26,601 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:59:26,804 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:59:26,804 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:59:26,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:59:26,805 INFO L82 PathProgramCache]: Analyzing trace with hash -759496317, now seen corresponding path program 1 times [2019-11-23 21:59:26,805 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:59:26,805 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341702657] [2019-11-23 21:59:26,806 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:59:26,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:59:26,931 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:59:26,932 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341702657] [2019-11-23 21:59:26,932 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1526508305] [2019-11-23 21:59:26,932 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 21:59:26,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:59:26,989 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 24 conjunts are in the unsatisfiable core [2019-11-23 21:59:26,994 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 21:59:27,014 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 21:59:27,014 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:27,018 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:27,018 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:27,019 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-23 21:59:27,045 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 21:59:27,045 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:27,061 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:27,062 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:27,062 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:19 [2019-11-23 21:59:27,076 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:27,077 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 21:59:27,077 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:27,087 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:27,088 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:27,088 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:18 [2019-11-23 21:59:27,114 INFO L343 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2019-11-23 21:59:27,115 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 1 case distinctions, treesize of input 27 treesize of output 11 [2019-11-23 21:59:27,115 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:27,121 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:27,122 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:27,122 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:12 [2019-11-23 21:59:27,147 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 21:59:27,148 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:27,155 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:27,156 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-23 21:59:27,156 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:23, output treesize:19 [2019-11-23 21:59:27,187 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2019-11-23 21:59:27,188 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:27,192 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:27,193 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:27,193 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:26, output treesize:3 [2019-11-23 21:59:27,196 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:59:27,196 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-23 21:59:27,196 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2019-11-23 21:59:27,197 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986914744] [2019-11-23 21:59:27,198 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-23 21:59:27,198 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:59:27,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-23 21:59:27,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2019-11-23 21:59:27,199 INFO L87 Difference]: Start difference. First operand 40 states and 47 transitions. Second operand 11 states. [2019-11-23 21:59:27,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:59:27,481 INFO L93 Difference]: Finished difference Result 74 states and 85 transitions. [2019-11-23 21:59:27,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-23 21:59:27,481 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 19 [2019-11-23 21:59:27,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:59:27,483 INFO L225 Difference]: With dead ends: 74 [2019-11-23 21:59:27,483 INFO L226 Difference]: Without dead ends: 70 [2019-11-23 21:59:27,484 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2019-11-23 21:59:27,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-11-23 21:59:27,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 49. [2019-11-23 21:59:27,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-11-23 21:59:27,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 58 transitions. [2019-11-23 21:59:27,493 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 58 transitions. Word has length 19 [2019-11-23 21:59:27,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:59:27,493 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 58 transitions. [2019-11-23 21:59:27,493 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-23 21:59:27,493 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 58 transitions. [2019-11-23 21:59:27,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-23 21:59:27,494 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:59:27,494 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:59:27,698 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:59:27,698 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:59:27,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:59:27,699 INFO L82 PathProgramCache]: Analyzing trace with hash -1203233262, now seen corresponding path program 1 times [2019-11-23 21:59:27,699 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:59:27,699 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788174077] [2019-11-23 21:59:27,699 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:59:27,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:59:27,741 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:59:27,742 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788174077] [2019-11-23 21:59:27,742 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:59:27,742 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 21:59:27,743 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926978071] [2019-11-23 21:59:27,743 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 21:59:27,743 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:59:27,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 21:59:27,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 21:59:27,744 INFO L87 Difference]: Start difference. First operand 49 states and 58 transitions. Second operand 3 states. [2019-11-23 21:59:27,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:59:27,762 INFO L93 Difference]: Finished difference Result 67 states and 76 transitions. [2019-11-23 21:59:27,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 21:59:27,763 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-23 21:59:27,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:59:27,763 INFO L225 Difference]: With dead ends: 67 [2019-11-23 21:59:27,764 INFO L226 Difference]: Without dead ends: 53 [2019-11-23 21:59:27,764 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 21:59:27,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-11-23 21:59:27,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 49. [2019-11-23 21:59:27,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-11-23 21:59:27,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 55 transitions. [2019-11-23 21:59:27,771 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 55 transitions. Word has length 19 [2019-11-23 21:59:27,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:59:27,771 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 55 transitions. [2019-11-23 21:59:27,771 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 21:59:27,771 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2019-11-23 21:59:27,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-23 21:59:27,772 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:59:27,772 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:59:27,772 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:59:27,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:59:27,773 INFO L82 PathProgramCache]: Analyzing trace with hash 353277899, now seen corresponding path program 1 times [2019-11-23 21:59:27,773 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:59:27,773 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421299028] [2019-11-23 21:59:27,773 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:59:27,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:59:27,913 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:59:27,913 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421299028] [2019-11-23 21:59:27,914 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1300424555] [2019-11-23 21:59:27,914 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 21:59:27,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:59:27,967 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 31 conjunts are in the unsatisfiable core [2019-11-23 21:59:27,969 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 21:59:27,985 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 21:59:27,985 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:27,987 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:27,988 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:27,988 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-23 21:59:28,032 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:28,033 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 21:59:28,033 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:28,041 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:28,042 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:28,042 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2019-11-23 21:59:28,067 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 13 treesize of output 9 [2019-11-23 21:59:28,067 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:28,080 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:28,084 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 13 treesize of output 9 [2019-11-23 21:59:28,085 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:28,105 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:28,106 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 21:59:28,107 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:49, output treesize:29 [2019-11-23 21:59:28,136 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_18|], 2=[|v_#memory_$Pointer$.base_14|, |v_#memory_$Pointer$.offset_12|]} [2019-11-23 21:59:28,146 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 29 treesize of output 19 [2019-11-23 21:59:28,146 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:28,160 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:28,185 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:28,185 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 120 treesize of output 132 [2019-11-23 21:59:28,187 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:28,190 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:28,211 INFO L567 ElimStorePlain]: treesize reduction 48, result has 61.0 percent of original size [2019-11-23 21:59:28,214 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 49 [2019-11-23 21:59:28,215 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:28,227 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:28,227 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:28,228 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:130, output treesize:30 [2019-11-23 21:59:28,320 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 39 treesize of output 21 [2019-11-23 21:59:28,321 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:28,339 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:28,342 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 23 treesize of output 11 [2019-11-23 21:59:28,342 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:28,347 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:28,347 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 21:59:28,349 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:48, output treesize:7 [2019-11-23 21:59:28,357 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 21:59:28,357 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:28,359 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:28,360 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:28,360 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:15, output treesize:3 [2019-11-23 21:59:28,362 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:59:28,362 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-23 21:59:28,363 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2019-11-23 21:59:28,363 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143498235] [2019-11-23 21:59:28,363 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-23 21:59:28,363 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:59:28,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-23 21:59:28,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2019-11-23 21:59:28,364 INFO L87 Difference]: Start difference. First operand 49 states and 55 transitions. Second operand 14 states. [2019-11-23 21:59:28,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:59:28,667 INFO L93 Difference]: Finished difference Result 73 states and 81 transitions. [2019-11-23 21:59:28,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-23 21:59:28,670 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 21 [2019-11-23 21:59:28,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:59:28,672 INFO L225 Difference]: With dead ends: 73 [2019-11-23 21:59:28,672 INFO L226 Difference]: Without dead ends: 69 [2019-11-23 21:59:28,672 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2019-11-23 21:59:28,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2019-11-23 21:59:28,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 53. [2019-11-23 21:59:28,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-11-23 21:59:28,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 59 transitions. [2019-11-23 21:59:28,679 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 59 transitions. Word has length 21 [2019-11-23 21:59:28,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:59:28,680 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 59 transitions. [2019-11-23 21:59:28,680 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-23 21:59:28,680 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 59 transitions. [2019-11-23 21:59:28,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-23 21:59:28,681 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:59:28,681 INFO L410 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:59:28,884 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:59:28,885 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:59:28,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:59:28,886 INFO L82 PathProgramCache]: Analyzing trace with hash 232020934, now seen corresponding path program 2 times [2019-11-23 21:59:28,886 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:59:28,887 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116444509] [2019-11-23 21:59:28,887 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:59:28,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:59:29,015 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 21:59:29,016 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116444509] [2019-11-23 21:59:29,016 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [610256622] [2019-11-23 21:59:29,016 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 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 21:59:29,066 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-23 21:59:29,066 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-23 21:59:29,068 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 36 conjunts are in the unsatisfiable core [2019-11-23 21:59:29,070 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 21:59:29,077 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 21:59:29,077 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:29,084 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:29,085 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:29,085 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-23 21:59:29,107 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:29,108 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 21:59:29,108 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:29,117 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:29,118 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:29,118 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:14 [2019-11-23 21:59:29,130 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 11 treesize of output 7 [2019-11-23 21:59:29,131 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:29,144 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:29,149 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 11 treesize of output 7 [2019-11-23 21:59:29,149 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:29,162 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:29,163 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 21:59:29,163 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:44, output treesize:26 [2019-11-23 21:59:29,177 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_19|], 2=[|v_#memory_$Pointer$.base_16|, |v_#memory_$Pointer$.offset_14|]} [2019-11-23 21:59:29,182 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 23 treesize of output 15 [2019-11-23 21:59:29,182 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:29,195 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:29,215 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:29,216 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 94 treesize of output 108 [2019-11-23 21:59:29,216 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:29,219 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:29,239 INFO L567 ElimStorePlain]: treesize reduction 36, result has 63.3 percent of original size [2019-11-23 21:59:29,244 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 41 [2019-11-23 21:59:29,245 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:29,252 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:29,252 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:29,253 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:105, output treesize:27 [2019-11-23 21:59:29,276 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 31 treesize of output 19 [2019-11-23 21:59:29,277 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:29,283 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:29,289 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 19 treesize of output 11 [2019-11-23 21:59:29,289 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:29,293 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:29,293 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:29,294 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:38, output treesize:7 [2019-11-23 21:59:29,299 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 21:59:29,300 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:29,302 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:29,302 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:29,302 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:15, output treesize:3 [2019-11-23 21:59:29,305 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 21:59:29,305 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-23 21:59:29,305 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2019-11-23 21:59:29,305 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030030116] [2019-11-23 21:59:29,306 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-23 21:59:29,306 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:59:29,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-23 21:59:29,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-23 21:59:29,307 INFO L87 Difference]: Start difference. First operand 53 states and 59 transitions. Second operand 10 states. [2019-11-23 21:59:29,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:59:29,638 INFO L93 Difference]: Finished difference Result 75 states and 82 transitions. [2019-11-23 21:59:29,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-23 21:59:29,639 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23 [2019-11-23 21:59:29,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:59:29,640 INFO L225 Difference]: With dead ends: 75 [2019-11-23 21:59:29,640 INFO L226 Difference]: Without dead ends: 63 [2019-11-23 21:59:29,640 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 21 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2019-11-23 21:59:29,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2019-11-23 21:59:29,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 47. [2019-11-23 21:59:29,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-11-23 21:59:29,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 52 transitions. [2019-11-23 21:59:29,646 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 52 transitions. Word has length 23 [2019-11-23 21:59:29,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:59:29,646 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 52 transitions. [2019-11-23 21:59:29,646 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-23 21:59:29,646 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 52 transitions. [2019-11-23 21:59:29,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-23 21:59:29,647 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:59:29,647 INFO L410 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:59:29,851 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:59:29,851 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:59:29,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:59:29,852 INFO L82 PathProgramCache]: Analyzing trace with hash -107333895, now seen corresponding path program 1 times [2019-11-23 21:59:29,852 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:59:29,852 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983117314] [2019-11-23 21:59:29,852 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:59:29,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:59:29,974 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 21:59:29,974 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983117314] [2019-11-23 21:59:29,975 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [550598771] [2019-11-23 21:59:29,975 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 21:59:30,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:59:30,021 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 32 conjunts are in the unsatisfiable core [2019-11-23 21:59:30,023 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 21:59:30,028 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 21:59:30,028 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:30,030 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:30,030 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:30,030 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-23 21:59:30,081 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:30,081 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 21:59:30,082 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:30,094 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:30,095 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:30,095 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2019-11-23 21:59:30,124 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 13 treesize of output 9 [2019-11-23 21:59:30,124 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:30,135 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:30,140 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 13 treesize of output 9 [2019-11-23 21:59:30,141 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:30,154 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:30,154 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 21:59:30,155 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:49, output treesize:29 [2019-11-23 21:59:30,184 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_20|], 2=[|v_#memory_$Pointer$.base_18|, |v_#memory_$Pointer$.offset_16|]} [2019-11-23 21:59:30,189 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 29 treesize of output 19 [2019-11-23 21:59:30,189 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:30,200 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:30,224 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:30,225 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 120 treesize of output 132 [2019-11-23 21:59:30,226 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:30,226 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:30,227 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:30,228 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 3 xjuncts. [2019-11-23 21:59:30,254 INFO L567 ElimStorePlain]: treesize reduction 188, result has 28.5 percent of original size [2019-11-23 21:59:30,259 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 49 [2019-11-23 21:59:30,259 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:30,268 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:30,268 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:30,269 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:130, output treesize:30 [2019-11-23 21:59:30,298 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 39 treesize of output 21 [2019-11-23 21:59:30,299 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:30,304 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:30,307 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 23 treesize of output 11 [2019-11-23 21:59:30,308 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:30,312 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:30,312 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 21:59:30,313 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:48, output treesize:7 [2019-11-23 21:59:30,316 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 21:59:30,316 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:30,318 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:30,318 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:30,318 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:15, output treesize:3 [2019-11-23 21:59:30,320 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 21:59:30,320 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-23 21:59:30,320 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2019-11-23 21:59:30,320 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125873749] [2019-11-23 21:59:30,321 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-23 21:59:30,321 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:59:30,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-23 21:59:30,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2019-11-23 21:59:30,322 INFO L87 Difference]: Start difference. First operand 47 states and 52 transitions. Second operand 14 states. [2019-11-23 21:59:30,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:59:30,632 INFO L93 Difference]: Finished difference Result 69 states and 75 transitions. [2019-11-23 21:59:30,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-23 21:59:30,632 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 23 [2019-11-23 21:59:30,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:59:30,633 INFO L225 Difference]: With dead ends: 69 [2019-11-23 21:59:30,634 INFO L226 Difference]: Without dead ends: 57 [2019-11-23 21:59:30,635 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2019-11-23 21:59:30,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-11-23 21:59:30,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 41. [2019-11-23 21:59:30,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-11-23 21:59:30,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2019-11-23 21:59:30,640 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 23 [2019-11-23 21:59:30,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:59:30,640 INFO L462 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2019-11-23 21:59:30,640 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-23 21:59:30,640 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2019-11-23 21:59:30,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-23 21:59:30,641 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:59:30,641 INFO L410 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:59:30,844 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:59:30,845 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:59:30,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:59:30,845 INFO L82 PathProgramCache]: Analyzing trace with hash -364832763, now seen corresponding path program 2 times [2019-11-23 21:59:30,846 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:59:30,846 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697497007] [2019-11-23 21:59:30,846 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:59:30,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:59:31,062 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:59:31,063 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697497007] [2019-11-23 21:59:31,063 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1316318837] [2019-11-23 21:59:31,063 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 21:59:31,120 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-23 21:59:31,121 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-23 21:59:31,122 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 40 conjunts are in the unsatisfiable core [2019-11-23 21:59:31,124 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 21:59:31,134 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 21:59:31,134 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:31,137 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:31,138 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:31,138 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-23 21:59:31,156 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 21:59:31,157 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:31,165 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:31,166 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:31,166 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:22 [2019-11-23 21:59:31,175 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:31,175 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 21:59:31,176 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:31,184 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:31,185 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:31,185 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:21 [2019-11-23 21:59:31,193 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:59:31,194 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 27 treesize of output 11 [2019-11-23 21:59:31,194 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:31,200 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:31,200 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:31,201 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:34, output treesize:15 [2019-11-23 21:59:31,229 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:59:31,232 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 21:59:31,233 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:31,241 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:31,241 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:31,241 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:34, output treesize:22 [2019-11-23 21:59:31,300 INFO L343 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2019-11-23 21:59:31,300 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 21 [2019-11-23 21:59:31,301 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:31,309 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:31,310 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-23 21:59:31,311 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:44, output treesize:25 [2019-11-23 21:59:31,373 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:31,374 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 68 [2019-11-23 21:59:31,375 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:31,418 INFO L567 ElimStorePlain]: treesize reduction 28, result has 59.4 percent of original size [2019-11-23 21:59:31,419 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:31,420 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:31,420 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:31,422 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-11-23 21:59:31,422 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:33, output treesize:41 [2019-11-23 21:59:31,422 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:31,423 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:31,423 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:31,477 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:31,478 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:31,479 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:31,526 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:31,527 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:31,527 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:31,624 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:31,695 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2019-11-23 21:59:31,695 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:31,699 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:31,699 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:31,700 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:26, output treesize:3 [2019-11-23 21:59:31,704 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:59:31,705 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-23 21:59:31,705 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14] total 19 [2019-11-23 21:59:31,706 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962364098] [2019-11-23 21:59:31,706 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-11-23 21:59:31,707 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:59:31,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-11-23 21:59:31,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2019-11-23 21:59:31,707 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. Second operand 19 states. [2019-11-23 21:59:32,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:59:32,536 INFO L93 Difference]: Finished difference Result 85 states and 93 transitions. [2019-11-23 21:59:32,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-11-23 21:59:32,536 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 25 [2019-11-23 21:59:32,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:59:32,537 INFO L225 Difference]: With dead ends: 85 [2019-11-23 21:59:32,537 INFO L226 Difference]: Without dead ends: 79 [2019-11-23 21:59:32,539 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 15 SyntacticMatches, 6 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 319 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=254, Invalid=1006, Unknown=0, NotChecked=0, Total=1260 [2019-11-23 21:59:32,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2019-11-23 21:59:32,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 57. [2019-11-23 21:59:32,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-11-23 21:59:32,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 63 transitions. [2019-11-23 21:59:32,545 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 63 transitions. Word has length 25 [2019-11-23 21:59:32,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:59:32,545 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 63 transitions. [2019-11-23 21:59:32,546 INFO L463 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-11-23 21:59:32,546 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 63 transitions. [2019-11-23 21:59:32,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-23 21:59:32,546 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:59:32,547 INFO L410 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:59:32,749 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:59:32,750 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:59:32,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:59:32,750 INFO L82 PathProgramCache]: Analyzing trace with hash 2098121722, now seen corresponding path program 2 times [2019-11-23 21:59:32,750 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:59:32,750 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358594538] [2019-11-23 21:59:32,750 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:59:32,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:59:32,937 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:59:32,937 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358594538] [2019-11-23 21:59:32,937 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2043371415] [2019-11-23 21:59:32,938 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 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 21:59:32,982 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-23 21:59:32,982 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-23 21:59:32,983 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 44 conjunts are in the unsatisfiable core [2019-11-23 21:59:32,985 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 21:59:32,990 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 21:59:32,990 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:32,995 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:32,995 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:32,995 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-23 21:59:33,005 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 21:59:33,006 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:33,015 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:33,016 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:33,016 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:22 [2019-11-23 21:59:33,023 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:33,024 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 21:59:33,024 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:33,034 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:33,035 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:33,035 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:21 [2019-11-23 21:59:33,043 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:59:33,044 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 27 treesize of output 11 [2019-11-23 21:59:33,044 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:33,050 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:33,050 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:33,050 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:34, output treesize:15 [2019-11-23 21:59:33,073 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:59:33,075 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 21:59:33,075 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:33,085 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:33,086 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:33,086 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:34, output treesize:22 [2019-11-23 21:59:33,140 INFO L343 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2019-11-23 21:59:33,140 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 21 [2019-11-23 21:59:33,141 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:33,152 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:33,152 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-23 21:59:33,153 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:44, output treesize:25 [2019-11-23 21:59:33,236 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:33,237 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 68 [2019-11-23 21:59:33,238 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:33,279 INFO L567 ElimStorePlain]: treesize reduction 28, result has 59.4 percent of original size [2019-11-23 21:59:33,280 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:33,281 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:33,282 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:33,284 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-11-23 21:59:33,284 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:33, output treesize:41 [2019-11-23 21:59:33,284 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:33,285 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:33,285 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:33,323 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:33,324 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:33,325 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:33,365 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:33,365 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:33,366 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:33,449 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:33,500 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2019-11-23 21:59:33,501 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:33,504 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:33,504 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:33,504 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:26, output treesize:3 [2019-11-23 21:59:33,508 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:59:33,508 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-23 21:59:33,508 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14] total 19 [2019-11-23 21:59:33,509 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836961368] [2019-11-23 21:59:33,509 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-11-23 21:59:33,509 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:59:33,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-11-23 21:59:33,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2019-11-23 21:59:33,510 INFO L87 Difference]: Start difference. First operand 57 states and 63 transitions. Second operand 19 states. [2019-11-23 21:59:34,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:59:34,383 INFO L93 Difference]: Finished difference Result 101 states and 111 transitions. [2019-11-23 21:59:34,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-11-23 21:59:34,385 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 25 [2019-11-23 21:59:34,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:59:34,386 INFO L225 Difference]: With dead ends: 101 [2019-11-23 21:59:34,386 INFO L226 Difference]: Without dead ends: 95 [2019-11-23 21:59:34,387 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 15 SyntacticMatches, 6 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 319 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=254, Invalid=1006, Unknown=0, NotChecked=0, Total=1260 [2019-11-23 21:59:34,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2019-11-23 21:59:34,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 73. [2019-11-23 21:59:34,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-11-23 21:59:34,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 81 transitions. [2019-11-23 21:59:34,404 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 81 transitions. Word has length 25 [2019-11-23 21:59:34,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:59:34,405 INFO L462 AbstractCegarLoop]: Abstraction has 73 states and 81 transitions. [2019-11-23 21:59:34,405 INFO L463 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-11-23 21:59:34,405 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 81 transitions. [2019-11-23 21:59:34,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-23 21:59:34,408 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:59:34,408 INFO L410 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:59:34,614 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:59:34,614 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:59:34,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:59:34,615 INFO L82 PathProgramCache]: Analyzing trace with hash 1617409408, now seen corresponding path program 3 times [2019-11-23 21:59:34,615 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:59:34,616 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268348099] [2019-11-23 21:59:34,616 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:59:34,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:59:34,879 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:59:34,879 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268348099] [2019-11-23 21:59:34,879 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1662847014] [2019-11-23 21:59:34,880 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 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 21:59:34,936 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2019-11-23 21:59:34,936 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-23 21:59:34,939 WARN L253 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 64 conjunts are in the unsatisfiable core [2019-11-23 21:59:34,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 21:59:34,952 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 21:59:34,953 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:34,956 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:34,956 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:34,957 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-23 21:59:34,981 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:34,982 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 17 treesize of output 39 [2019-11-23 21:59:34,983 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:35,013 INFO L567 ElimStorePlain]: treesize reduction 14, result has 65.9 percent of original size [2019-11-23 21:59:35,014 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:35,014 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:27 [2019-11-23 21:59:35,046 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 11 treesize of output 7 [2019-11-23 21:59:35,046 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:35,065 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:35,070 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 11 treesize of output 7 [2019-11-23 21:59:35,071 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:35,088 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:35,088 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:35,089 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:54, output treesize:47 [2019-11-23 21:59:35,123 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_31|], 2=[|v_#memory_$Pointer$.base_22|, |v_#memory_$Pointer$.offset_20|]} [2019-11-23 21:59:35,134 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 21:59:35,134 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:35,160 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:35,172 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:59:35,173 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 40 treesize of output 20 [2019-11-23 21:59:35,174 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:35,194 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:35,198 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 30 treesize of output 14 [2019-11-23 21:59:35,198 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:35,211 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:35,211 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:35,212 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:88, output treesize:42 [2019-11-23 21:59:35,275 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:35,275 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 16 treesize of output 26 [2019-11-23 21:59:35,276 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:35,295 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:35,295 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:35,296 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:43 [2019-11-23 21:59:35,341 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_32|], 1=[|v_#memory_$Pointer$.base_23|, |v_#memory_$Pointer$.offset_21|]} [2019-11-23 21:59:35,348 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 39 treesize of output 15 [2019-11-23 21:59:35,348 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:35,374 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:35,386 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:35,387 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 74 [2019-11-23 21:59:35,388 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:35,389 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:35,441 INFO L567 ElimStorePlain]: treesize reduction 24, result has 78.2 percent of original size [2019-11-23 21:59:35,445 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:59:35,448 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 27 treesize of output 22 [2019-11-23 21:59:35,449 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:35,470 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:35,470 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:35,471 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:129, output treesize:83 [2019-11-23 21:59:35,511 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_33|], 5=[|v_#memory_$Pointer$.base_24|, |v_#memory_$Pointer$.offset_22|]} [2019-11-23 21:59:35,515 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 47 treesize of output 38 [2019-11-23 21:59:35,516 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:35,562 INFO L567 ElimStorePlain]: treesize reduction 16, result has 91.8 percent of original size [2019-11-23 21:59:35,605 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:35,605 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 168 treesize of output 167 [2019-11-23 21:59:35,607 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:35,608 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:35,609 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:35,675 INFO L567 ElimStorePlain]: treesize reduction 304, result has 28.8 percent of original size [2019-11-23 21:59:35,683 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:59:35,705 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:35,705 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 97 treesize of output 134 [2019-11-23 21:59:35,706 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:35,720 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:35,721 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:35,721 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:206, output treesize:60 [2019-11-23 21:59:35,800 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:35,801 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 57 treesize of output 40 [2019-11-23 21:59:35,802 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:35,803 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:35,804 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 21:59:35,838 INFO L567 ElimStorePlain]: treesize reduction 8, result has 85.5 percent of original size [2019-11-23 21:59:35,842 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2019-11-23 21:59:35,843 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:35,853 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:35,854 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-23 21:59:35,854 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:78, output treesize:29 [2019-11-23 21:59:35,936 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:59:35,936 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-23 21:59:35,937 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 22 [2019-11-23 21:59:35,937 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367682271] [2019-11-23 21:59:35,937 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-11-23 21:59:35,937 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:59:35,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-11-23 21:59:35,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=392, Unknown=0, NotChecked=0, Total=462 [2019-11-23 21:59:35,938 INFO L87 Difference]: Start difference. First operand 73 states and 81 transitions. Second operand 22 states. [2019-11-23 21:59:36,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:59:36,592 INFO L93 Difference]: Finished difference Result 91 states and 100 transitions. [2019-11-23 21:59:36,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-11-23 21:59:36,593 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 27 [2019-11-23 21:59:36,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:59:36,594 INFO L225 Difference]: With dead ends: 91 [2019-11-23 21:59:36,594 INFO L226 Difference]: Without dead ends: 87 [2019-11-23 21:59:36,594 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 17 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=149, Invalid=843, Unknown=0, NotChecked=0, Total=992 [2019-11-23 21:59:36,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2019-11-23 21:59:36,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 77. [2019-11-23 21:59:36,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-11-23 21:59:36,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 85 transitions. [2019-11-23 21:59:36,600 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 85 transitions. Word has length 27 [2019-11-23 21:59:36,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:59:36,601 INFO L462 AbstractCegarLoop]: Abstraction has 77 states and 85 transitions. [2019-11-23 21:59:36,601 INFO L463 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-11-23 21:59:36,601 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 85 transitions. [2019-11-23 21:59:36,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-23 21:59:36,602 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:59:36,602 INFO L410 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:59:36,805 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:59:36,805 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:59:36,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:59:36,806 INFO L82 PathProgramCache]: Analyzing trace with hash 2003989077, now seen corresponding path program 2 times [2019-11-23 21:59:36,806 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:59:36,806 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816093313] [2019-11-23 21:59:36,807 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:59:36,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:59:37,052 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:59:37,052 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816093313] [2019-11-23 21:59:37,052 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [861146450] [2019-11-23 21:59:37,053 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:59:37,104 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-23 21:59:37,104 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-23 21:59:37,105 WARN L253 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 61 conjunts are in the unsatisfiable core [2019-11-23 21:59:37,107 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 21:59:37,113 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 21:59:37,114 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:37,124 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:37,124 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:37,124 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-23 21:59:37,149 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:37,149 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 17 treesize of output 39 [2019-11-23 21:59:37,150 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:37,180 INFO L567 ElimStorePlain]: treesize reduction 14, result has 65.9 percent of original size [2019-11-23 21:59:37,181 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:37,181 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:27 [2019-11-23 21:59:37,216 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 11 treesize of output 7 [2019-11-23 21:59:37,216 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:37,236 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:37,240 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 11 treesize of output 7 [2019-11-23 21:59:37,240 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:37,256 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:37,257 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:37,257 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:54, output treesize:47 [2019-11-23 21:59:37,294 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_34|], 2=[|v_#memory_$Pointer$.base_26|, |v_#memory_$Pointer$.offset_24|]} [2019-11-23 21:59:37,297 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 21:59:37,298 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:37,323 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:37,335 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:59:37,335 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 40 treesize of output 20 [2019-11-23 21:59:37,336 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:37,356 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:37,360 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:59:37,361 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 30 treesize of output 14 [2019-11-23 21:59:37,362 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:37,379 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:37,380 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:37,380 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:88, output treesize:50 [2019-11-23 21:59:37,435 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:37,435 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 20 treesize of output 30 [2019-11-23 21:59:37,436 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:37,452 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:37,453 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:37,453 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:58, output treesize:51 [2019-11-23 21:59:37,493 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_35|], 1=[|v_#memory_$Pointer$.base_27|, |v_#memory_$Pointer$.offset_25|]} [2019-11-23 21:59:37,500 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 39 treesize of output 15 [2019-11-23 21:59:37,500 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:37,527 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:37,541 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:37,541 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 74 [2019-11-23 21:59:37,542 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:37,543 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:37,587 INFO L567 ElimStorePlain]: treesize reduction 24, result has 78.2 percent of original size [2019-11-23 21:59:37,590 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:59:37,594 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 27 treesize of output 22 [2019-11-23 21:59:37,595 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:37,614 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:37,615 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:37,616 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:129, output treesize:83 [2019-11-23 21:59:37,661 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_36|], 5=[|v_#memory_$Pointer$.base_28|, |v_#memory_$Pointer$.offset_26|]} [2019-11-23 21:59:37,665 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 47 treesize of output 38 [2019-11-23 21:59:37,665 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:37,710 INFO L567 ElimStorePlain]: treesize reduction 16, result has 91.8 percent of original size [2019-11-23 21:59:37,752 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:37,752 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 168 treesize of output 167 [2019-11-23 21:59:37,754 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:37,755 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:37,755 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:37,756 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:37,757 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:37,758 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:37,759 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:37,759 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:37,760 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:37,761 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:37,762 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:37,763 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:37,764 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:37,764 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:37,765 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:37,766 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:37,766 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:37,767 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:37,768 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:37,769 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:37,770 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:37,770 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:37,771 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:37,772 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:37,772 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:37,773 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:37,774 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:37,776 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 12 xjuncts. [2019-11-23 21:59:37,904 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 37 [2019-11-23 21:59:37,905 INFO L567 ElimStorePlain]: treesize reduction 1779, result has 6.5 percent of original size [2019-11-23 21:59:37,908 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:59:37,928 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:37,929 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 97 treesize of output 134 [2019-11-23 21:59:37,930 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:37,942 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:37,942 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:37,942 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:206, output treesize:60 [2019-11-23 21:59:37,990 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:37,990 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 57 treesize of output 40 [2019-11-23 21:59:37,990 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:37,991 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:37,992 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 21:59:38,020 INFO L567 ElimStorePlain]: treesize reduction 4, result has 91.7 percent of original size [2019-11-23 21:59:38,023 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 22 treesize of output 10 [2019-11-23 21:59:38,024 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:38,033 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:38,034 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-23 21:59:38,034 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:71, output treesize:18 [2019-11-23 21:59:38,099 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:59:38,099 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-23 21:59:38,099 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 21 [2019-11-23 21:59:38,099 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420813704] [2019-11-23 21:59:38,100 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2019-11-23 21:59:38,100 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:59:38,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2019-11-23 21:59:38,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=355, Unknown=0, NotChecked=0, Total=420 [2019-11-23 21:59:38,101 INFO L87 Difference]: Start difference. First operand 77 states and 85 transitions. Second operand 21 states. [2019-11-23 21:59:38,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:59:38,701 INFO L93 Difference]: Finished difference Result 97 states and 106 transitions. [2019-11-23 21:59:38,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-23 21:59:38,702 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 27 [2019-11-23 21:59:38,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:59:38,703 INFO L225 Difference]: With dead ends: 97 [2019-11-23 21:59:38,703 INFO L226 Difference]: Without dead ends: 93 [2019-11-23 21:59:38,704 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 18 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=134, Invalid=736, Unknown=0, NotChecked=0, Total=870 [2019-11-23 21:59:38,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2019-11-23 21:59:38,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 81. [2019-11-23 21:59:38,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2019-11-23 21:59:38,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 89 transitions. [2019-11-23 21:59:38,711 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 89 transitions. Word has length 27 [2019-11-23 21:59:38,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:59:38,712 INFO L462 AbstractCegarLoop]: Abstraction has 81 states and 89 transitions. [2019-11-23 21:59:38,712 INFO L463 AbstractCegarLoop]: Interpolant automaton has 21 states. [2019-11-23 21:59:38,712 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 89 transitions. [2019-11-23 21:59:38,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-23 21:59:38,712 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:59:38,713 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:59:38,918 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:59:38,919 INFO L410 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:59:38,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:59:38,919 INFO L82 PathProgramCache]: Analyzing trace with hash -413343685, now seen corresponding path program 4 times [2019-11-23 21:59:38,920 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:59:38,920 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656326660] [2019-11-23 21:59:38,920 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:59:38,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:59:39,319 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:59:39,319 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656326660] [2019-11-23 21:59:39,320 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [711249134] [2019-11-23 21:59:39,320 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:59:39,454 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-11-23 21:59:39,454 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-23 21:59:39,456 WARN L253 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 65 conjunts are in the unsatisfiable core [2019-11-23 21:59:39,460 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 21:59:39,468 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 21:59:39,469 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:39,473 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:39,473 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:39,473 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-23 21:59:39,488 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:39,489 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 21:59:39,489 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:39,497 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:39,497 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:39,498 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:17 [2019-11-23 21:59:39,531 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 11 treesize of output 7 [2019-11-23 21:59:39,531 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:39,544 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:39,549 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 11 treesize of output 7 [2019-11-23 21:59:39,549 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:39,560 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:39,560 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:39,560 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:44, output treesize:33 [2019-11-23 21:59:39,602 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:59:39,605 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 30 treesize of output 14 [2019-11-23 21:59:39,605 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:39,619 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:39,624 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:59:39,624 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 31 treesize of output 15 [2019-11-23 21:59:39,625 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:39,636 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:39,637 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:39,637 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:63, output treesize:29 [2019-11-23 21:59:39,696 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 74 [2019-11-23 21:59:39,696 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:39,711 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:39,723 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:39,724 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 59 [2019-11-23 21:59:39,724 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:39,725 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:39,757 INFO L567 ElimStorePlain]: treesize reduction 16, result has 79.7 percent of original size [2019-11-23 21:59:39,758 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:39,758 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:103, output treesize:52 [2019-11-23 21:59:39,802 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_37|], 5=[|v_#memory_$Pointer$.base_32|, |v_#memory_$Pointer$.offset_30|]} [2019-11-23 21:59:39,815 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 35 treesize of output 23 [2019-11-23 21:59:39,816 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:39,839 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:39,882 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:39,882 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 153 treesize of output 160 [2019-11-23 21:59:39,884 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:39,884 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:39,885 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:39,886 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:39,886 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:39,888 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:39,888 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:39,889 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:39,890 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:39,890 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:39,891 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:39,892 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:39,893 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:39,893 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:39,894 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:39,895 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:39,895 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:39,896 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:39,897 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:39,897 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:39,899 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:39,899 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:39,900 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:39,901 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:39,902 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:39,902 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:39,903 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:39,904 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:39,904 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:39,905 INFO L496 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 5 xjuncts. [2019-11-23 21:59:40,018 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 33 [2019-11-23 21:59:40,019 INFO L567 ElimStorePlain]: treesize reduction 646, result has 14.3 percent of original size [2019-11-23 21:59:40,058 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:40,058 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 97 treesize of output 186 [2019-11-23 21:59:40,059 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:40,086 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:40,086 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:40,086 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:175, output treesize:45 [2019-11-23 21:59:40,266 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-23 21:59:40,278 INFO L343 Elim1Store]: treesize reduction 8, result has 60.0 percent of original size [2019-11-23 21:59:40,278 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 84 treesize of output 60 [2019-11-23 21:59:40,279 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:40,280 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:40,281 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 21:59:40,313 INFO L567 ElimStorePlain]: treesize reduction 8, result has 87.7 percent of original size [2019-11-23 21:59:40,320 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:40,320 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 30 [2019-11-23 21:59:40,321 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:40,329 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:40,330 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-23 21:59:40,330 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:98, output treesize:29 [2019-11-23 21:59:40,381 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:40,382 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 29 treesize of output 29 [2019-11-23 21:59:40,382 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:40,390 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:40,390 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:40,390 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:33, output treesize:3 [2019-11-23 21:59:40,397 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:59:40,397 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-23 21:59:40,397 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14] total 22 [2019-11-23 21:59:40,398 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596148305] [2019-11-23 21:59:40,398 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-11-23 21:59:40,398 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:59:40,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-11-23 21:59:40,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=402, Unknown=0, NotChecked=0, Total=462 [2019-11-23 21:59:40,400 INFO L87 Difference]: Start difference. First operand 81 states and 89 transitions. Second operand 22 states. [2019-11-23 21:59:41,406 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 63 [2019-11-23 21:59:41,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:59:41,701 INFO L93 Difference]: Finished difference Result 111 states and 122 transitions. [2019-11-23 21:59:41,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-11-23 21:59:41,701 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 29 [2019-11-23 21:59:41,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:59:41,703 INFO L225 Difference]: With dead ends: 111 [2019-11-23 21:59:41,703 INFO L226 Difference]: Without dead ends: 105 [2019-11-23 21:59:41,704 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 20 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=177, Invalid=1155, Unknown=0, NotChecked=0, Total=1332 [2019-11-23 21:59:41,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2019-11-23 21:59:41,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 89. [2019-11-23 21:59:41,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2019-11-23 21:59:41,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 98 transitions. [2019-11-23 21:59:41,712 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 98 transitions. Word has length 29 [2019-11-23 21:59:41,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:59:41,713 INFO L462 AbstractCegarLoop]: Abstraction has 89 states and 98 transitions. [2019-11-23 21:59:41,713 INFO L463 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-11-23 21:59:41,713 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 98 transitions. [2019-11-23 21:59:41,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-23 21:59:41,714 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:59:41,714 INFO L410 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:59:41,927 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:59:41,928 INFO L410 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:59:41,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:59:41,929 INFO L82 PathProgramCache]: Analyzing trace with hash -2051913674, now seen corresponding path program 5 times [2019-11-23 21:59:41,929 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:59:41,929 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342552179] [2019-11-23 21:59:41,930 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:59:41,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:59:42,332 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:59:42,332 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342552179] [2019-11-23 21:59:42,332 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1106244030] [2019-11-23 21:59:42,332 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:59:42,387 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2019-11-23 21:59:42,387 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-23 21:59:42,389 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2019-11-23 21:59:42,391 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 21:59:42,398 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 21:59:42,398 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:42,399 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:42,400 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:42,400 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-23 21:59:42,449 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:42,450 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 17 treesize of output 39 [2019-11-23 21:59:42,450 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:42,479 INFO L567 ElimStorePlain]: treesize reduction 14, result has 63.2 percent of original size [2019-11-23 21:59:42,479 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:42,479 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:24 [2019-11-23 21:59:42,512 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 13 treesize of output 9 [2019-11-23 21:59:42,513 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:42,528 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:42,534 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 13 treesize of output 9 [2019-11-23 21:59:42,534 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:42,550 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:42,550 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:42,550 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:59, output treesize:54 [2019-11-23 21:59:42,631 INFO L343 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2019-11-23 21:59:42,631 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 32 [2019-11-23 21:59:42,631 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:42,667 INFO L567 ElimStorePlain]: treesize reduction 10, result has 85.1 percent of original size [2019-11-23 21:59:42,674 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 34 treesize of output 16 [2019-11-23 21:59:42,675 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:42,684 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:42,685 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:42,685 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:84, output treesize:42 [2019-11-23 21:59:42,719 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:42,720 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 22 treesize of output 32 [2019-11-23 21:59:42,720 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:42,732 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:42,733 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:42,733 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:59, output treesize:52 [2019-11-23 21:59:42,792 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:42,792 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 125 treesize of output 131 [2019-11-23 21:59:42,793 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:42,794 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:42,795 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2019-11-23 21:59:42,859 INFO L567 ElimStorePlain]: treesize reduction 131, result has 49.4 percent of original size [2019-11-23 21:59:42,863 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 76 [2019-11-23 21:59:42,863 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:42,882 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:42,883 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 21:59:42,883 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:138, output treesize:80 [2019-11-23 21:59:42,930 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_38|], 6=[|v_#memory_$Pointer$.base_36|, |v_#memory_$Pointer$.offset_34|]} [2019-11-23 21:59:42,948 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 27 [2019-11-23 21:59:42,949 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:42,975 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:43,021 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:43,021 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 202 treesize of output 175 [2019-11-23 21:59:43,023 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:43,023 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:43,024 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:43,075 INFO L567 ElimStorePlain]: treesize reduction 172, result has 45.9 percent of original size [2019-11-23 21:59:43,080 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 0 case distinctions, treesize of input 102 treesize of output 77 [2019-11-23 21:59:43,081 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:43,094 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:43,095 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:43,095 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:225, output treesize:81 [2019-11-23 21:59:43,219 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-23 21:59:43,243 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:43,243 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 114 treesize of output 84 [2019-11-23 21:59:43,244 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:43,245 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:43,246 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:43,247 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:43,248 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 21:59:43,285 INFO L567 ElimStorePlain]: treesize reduction 36, result has 57.1 percent of original size [2019-11-23 21:59:43,295 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:43,295 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 36 treesize of output 27 [2019-11-23 21:59:43,296 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:43,305 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:43,306 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 21:59:43,306 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:123, output treesize:7 [2019-11-23 21:59:43,343 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 21:59:43,344 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:43,346 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:43,346 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:43,346 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:15, output treesize:3 [2019-11-23 21:59:43,395 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:59:43,396 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-23 21:59:43,396 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 23 [2019-11-23 21:59:43,396 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979793834] [2019-11-23 21:59:43,397 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-11-23 21:59:43,397 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:59:43,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-11-23 21:59:43,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=449, Unknown=0, NotChecked=0, Total=506 [2019-11-23 21:59:43,398 INFO L87 Difference]: Start difference. First operand 89 states and 98 transitions. Second operand 23 states. [2019-11-23 21:59:44,244 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2019-11-23 21:59:44,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:59:44,687 INFO L93 Difference]: Finished difference Result 107 states and 117 transitions. [2019-11-23 21:59:44,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-11-23 21:59:44,688 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 31 [2019-11-23 21:59:44,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:59:44,688 INFO L225 Difference]: With dead ends: 107 [2019-11-23 21:59:44,688 INFO L226 Difference]: Without dead ends: 89 [2019-11-23 21:59:44,689 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 21 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=134, Invalid=922, Unknown=0, NotChecked=0, Total=1056 [2019-11-23 21:59:44,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2019-11-23 21:59:44,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 79. [2019-11-23 21:59:44,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2019-11-23 21:59:44,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 86 transitions. [2019-11-23 21:59:44,697 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 86 transitions. Word has length 31 [2019-11-23 21:59:44,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:59:44,699 INFO L462 AbstractCegarLoop]: Abstraction has 79 states and 86 transitions. [2019-11-23 21:59:44,699 INFO L463 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-11-23 21:59:44,699 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 86 transitions. [2019-11-23 21:59:44,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-23 21:59:44,702 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:59:44,702 INFO L410 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:59:44,906 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:59:44,907 INFO L410 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:59:44,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:59:44,907 INFO L82 PathProgramCache]: Analyzing trace with hash -1599541557, now seen corresponding path program 3 times [2019-11-23 21:59:44,908 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:59:44,908 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779253559] [2019-11-23 21:59:44,908 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:59:44,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:59:45,387 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:59:45,387 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779253559] [2019-11-23 21:59:45,387 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [692530708] [2019-11-23 21:59:45,388 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:59:45,498 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2019-11-23 21:59:45,498 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-23 21:59:45,501 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 61 conjunts are in the unsatisfiable core [2019-11-23 21:59:45,505 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 21:59:45,519 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 21:59:45,519 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:45,526 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:45,526 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:45,526 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-23 21:59:45,551 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:45,551 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 17 treesize of output 39 [2019-11-23 21:59:45,552 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:45,578 INFO L567 ElimStorePlain]: treesize reduction 14, result has 63.2 percent of original size [2019-11-23 21:59:45,578 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:45,579 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:24 [2019-11-23 21:59:45,617 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 11 treesize of output 7 [2019-11-23 21:59:45,617 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:45,635 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:45,640 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 11 treesize of output 7 [2019-11-23 21:59:45,640 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:45,656 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:45,656 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 21:59:45,656 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:54, output treesize:40 [2019-11-23 21:59:45,693 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:59:45,694 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 23 treesize of output 11 [2019-11-23 21:59:45,694 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:45,708 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:45,729 INFO L343 Elim1Store]: treesize reduction 21, result has 41.7 percent of original size [2019-11-23 21:59:45,730 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 28 [2019-11-23 21:59:45,730 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:45,754 INFO L567 ElimStorePlain]: treesize reduction 8, result has 80.0 percent of original size [2019-11-23 21:59:45,754 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:45,754 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:70, output treesize:32 [2019-11-23 21:59:45,792 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:45,793 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 20 treesize of output 30 [2019-11-23 21:59:45,793 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:45,806 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:45,806 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:45,806 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:48, output treesize:41 [2019-11-23 21:59:45,862 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:45,863 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 101 treesize of output 111 [2019-11-23 21:59:45,863 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:45,864 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:45,865 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2019-11-23 21:59:45,917 INFO L567 ElimStorePlain]: treesize reduction 105, result has 48.8 percent of original size [2019-11-23 21:59:45,923 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 63 [2019-11-23 21:59:45,923 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:45,940 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:45,941 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:45,941 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:108, output treesize:103 [2019-11-23 21:59:45,997 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_39|], 6=[|v_#memory_$Pointer$.offset_38|, |v_#memory_$Pointer$.base_40|]} [2019-11-23 21:59:46,002 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 35 [2019-11-23 21:59:46,002 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:46,028 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:46,070 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:46,071 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 263 treesize of output 246 [2019-11-23 21:59:46,073 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:46,134 INFO L567 ElimStorePlain]: treesize reduction 100, result has 59.5 percent of original size [2019-11-23 21:59:46,160 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:46,160 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 144 treesize of output 134 [2019-11-23 21:59:46,161 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:46,161 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:46,162 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:46,162 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:46,163 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:46,202 INFO L567 ElimStorePlain]: treesize reduction 291, result has 23.6 percent of original size [2019-11-23 21:59:46,202 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:46,202 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:292, output treesize:90 [2019-11-23 21:59:46,448 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:46,449 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 121 treesize of output 70 [2019-11-23 21:59:46,450 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:46,451 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:46,452 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 21:59:46,528 INFO L567 ElimStorePlain]: treesize reduction 22, result has 69.0 percent of original size [2019-11-23 21:59:46,532 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 12 [2019-11-23 21:59:46,533 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:46,556 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:46,557 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-23 21:59:46,557 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:128, output treesize:18 [2019-11-23 21:59:46,658 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:46,658 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 18 [2019-11-23 21:59:46,659 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:46,670 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:46,670 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:46,671 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:22, output treesize:3 [2019-11-23 21:59:46,733 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:59:46,733 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-23 21:59:46,734 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 22 [2019-11-23 21:59:46,734 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582050060] [2019-11-23 21:59:46,734 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-11-23 21:59:46,734 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:59:46,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-11-23 21:59:46,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=407, Unknown=0, NotChecked=0, Total=462 [2019-11-23 21:59:46,735 INFO L87 Difference]: Start difference. First operand 79 states and 86 transitions. Second operand 22 states. [2019-11-23 21:59:47,371 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 46 [2019-11-23 21:59:47,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:59:47,583 INFO L93 Difference]: Finished difference Result 95 states and 103 transitions. [2019-11-23 21:59:47,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-23 21:59:47,583 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 31 [2019-11-23 21:59:47,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:59:47,584 INFO L225 Difference]: With dead ends: 95 [2019-11-23 21:59:47,584 INFO L226 Difference]: Without dead ends: 81 [2019-11-23 21:59:47,584 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 22 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=119, Invalid=811, Unknown=0, NotChecked=0, Total=930 [2019-11-23 21:59:47,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2019-11-23 21:59:47,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 73. [2019-11-23 21:59:47,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-11-23 21:59:47,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 79 transitions. [2019-11-23 21:59:47,588 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 79 transitions. Word has length 31 [2019-11-23 21:59:47,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:59:47,588 INFO L462 AbstractCegarLoop]: Abstraction has 73 states and 79 transitions. [2019-11-23 21:59:47,589 INFO L463 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-11-23 21:59:47,589 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 79 transitions. [2019-11-23 21:59:47,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-23 21:59:47,589 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:59:47,589 INFO L410 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:59:47,793 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:59:47,794 INFO L410 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:59:47,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:59:47,795 INFO L82 PathProgramCache]: Analyzing trace with hash -2139162763, now seen corresponding path program 6 times [2019-11-23 21:59:47,795 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:59:47,795 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101090708] [2019-11-23 21:59:47,795 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:59:47,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:59:48,232 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:59:48,232 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101090708] [2019-11-23 21:59:48,232 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [54161601] [2019-11-23 21:59:48,232 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 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:59:48,291 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2019-11-23 21:59:48,291 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-23 21:59:48,293 WARN L253 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 71 conjunts are in the unsatisfiable core [2019-11-23 21:59:48,294 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 21:59:48,298 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 21:59:48,298 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:48,303 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:48,303 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:48,303 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-23 21:59:48,328 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:48,328 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 17 treesize of output 39 [2019-11-23 21:59:48,329 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:48,355 INFO L567 ElimStorePlain]: treesize reduction 14, result has 65.9 percent of original size [2019-11-23 21:59:48,356 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:48,356 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:27 [2019-11-23 21:59:48,363 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 11 treesize of output 7 [2019-11-23 21:59:48,363 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:48,376 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:48,380 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 11 treesize of output 7 [2019-11-23 21:59:48,380 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:48,392 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:48,393 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:48,393 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:54, output treesize:47 [2019-11-23 21:59:48,409 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_40|], 2=[|v_#memory_$Pointer$.offset_40|, |v_#memory_$Pointer$.base_42|]} [2019-11-23 21:59:48,414 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 11 treesize of output 7 [2019-11-23 21:59:48,415 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:48,439 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:48,443 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 30 treesize of output 14 [2019-11-23 21:59:48,444 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:48,463 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:48,466 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 23 treesize of output 11 [2019-11-23 21:59:48,467 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:48,480 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:48,481 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:48,481 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:80, output treesize:42 [2019-11-23 21:59:48,501 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:48,502 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 16 treesize of output 26 [2019-11-23 21:59:48,502 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:48,519 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:48,520 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:48,520 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:51, output treesize:44 [2019-11-23 21:59:48,548 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_41|], 3=[|v_#memory_$Pointer$.base_43|, |v_#memory_$Pointer$.offset_41|]} [2019-11-23 21:59:48,555 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:59:48,556 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 27 treesize of output 11 [2019-11-23 21:59:48,556 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:48,584 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:48,588 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-23 21:59:48,592 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-23 21:59:48,604 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:48,605 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 1 case distinctions, treesize of input 34 treesize of output 49 [2019-11-23 21:59:48,605 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:48,606 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:48,663 INFO L567 ElimStorePlain]: treesize reduction 41, result has 68.9 percent of original size [2019-11-23 21:59:48,685 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:48,686 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 1 case distinctions, treesize of input 78 treesize of output 101 [2019-11-23 21:59:48,686 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:48,687 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:48,688 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:48,765 INFO L567 ElimStorePlain]: treesize reduction 155, result has 30.2 percent of original size [2019-11-23 21:59:48,766 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:48,766 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 7 variables, input treesize:124, output treesize:83 [2019-11-23 21:59:48,803 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_42|, |v_#memory_$Pointer$.offset_42|], 6=[|v_#memory_$Pointer$.base_44|]} [2019-11-23 21:59:48,809 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:59:48,810 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 26 [2019-11-23 21:59:48,810 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:48,835 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:48,856 INFO L343 Elim1Store]: treesize reduction 21, result has 41.7 percent of original size [2019-11-23 21:59:48,857 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 95 treesize of output 75 [2019-11-23 21:59:48,858 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:48,896 INFO L567 ElimStorePlain]: treesize reduction 8, result has 91.2 percent of original size [2019-11-23 21:59:48,942 INFO L343 Elim1Store]: treesize reduction 40, result has 49.4 percent of original size [2019-11-23 21:59:48,942 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 66 treesize of output 60 [2019-11-23 21:59:48,944 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:48,944 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:48,944 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:48,945 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:48,946 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:48,946 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:48,947 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 21:59:48,989 INFO L567 ElimStorePlain]: treesize reduction 24, result has 66.2 percent of original size [2019-11-23 21:59:48,989 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:48,990 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:124, output treesize:52 [2019-11-23 21:59:49,068 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.offset_43|], 5=[|v_#memory_$Pointer$.base_45|], 6=[|v_#memory_int_43|]} [2019-11-23 21:59:49,080 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 37 treesize of output 28 [2019-11-23 21:59:49,081 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:49,112 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:49,154 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:49,155 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 161 treesize of output 153 [2019-11-23 21:59:49,156 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:49,157 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:49,157 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:49,157 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:49,158 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:49,159 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:49,296 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 45 [2019-11-23 21:59:49,297 INFO L567 ElimStorePlain]: treesize reduction 1182, result has 11.9 percent of original size [2019-11-23 21:59:49,302 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:59:49,303 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 70 treesize of output 33 [2019-11-23 21:59:49,304 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:49,323 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:49,324 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-23 21:59:49,324 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:183, output treesize:99 [2019-11-23 21:59:49,371 INFO L392 ElimStorePlain]: Different costs {5=[|v_#memory_$Pointer$.base_46|], 6=[|v_#memory_$Pointer$.offset_44|, |v_#memory_int_44|]} [2019-11-23 21:59:49,420 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:49,420 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 183 treesize of output 195 [2019-11-23 21:59:49,421 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:49,422 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:49,422 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:49,423 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:49,423 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:49,424 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:49,425 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:49,426 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:49,426 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:49,427 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:49,428 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:49,429 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:49,430 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:49,430 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:49,431 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:49,432 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:49,433 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:49,433 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:49,434 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:49,434 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:49,435 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:49,436 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:49,437 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:49,437 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:49,438 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:49,438 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:49,439 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:49,440 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:49,441 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:49,441 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:49,442 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:49,443 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:49,444 INFO L496 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-23 21:59:49,529 INFO L567 ElimStorePlain]: treesize reduction 100, result has 50.0 percent of original size [2019-11-23 21:59:49,581 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:49,582 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 61 treesize of output 110 [2019-11-23 21:59:49,583 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:49,670 INFO L567 ElimStorePlain]: treesize reduction 24, result has 76.2 percent of original size [2019-11-23 21:59:49,710 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:49,711 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 2 case distinctions, treesize of input 26 treesize of output 68 [2019-11-23 21:59:49,711 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:49,815 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2019-11-23 21:59:49,816 INFO L567 ElimStorePlain]: treesize reduction 28, result has 75.2 percent of original size [2019-11-23 21:59:49,817 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:49,818 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:49,818 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:49,820 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:49,820 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:49,822 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-23 21:59:49,822 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:193, output treesize:131 [2019-11-23 21:59:49,822 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:49,823 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:49,823 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:49,824 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:49,825 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:49,890 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:49,890 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:49,891 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:49,892 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:49,892 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:49,983 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:49,984 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:49,984 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:49,985 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:49,985 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:50,242 WARN L192 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2019-11-23 21:59:50,244 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-11-23 21:59:50,253 INFO L392 ElimStorePlain]: Different costs {0=[v_prenex_7], 1=[|#memory_$Pointer$.base|, |#memory_$Pointer$.offset|, v_prenex_3, v_prenex_11, v_prenex_6], 2=[v_prenex_12, v_prenex_4]} [2019-11-23 21:59:50,260 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 82 treesize of output 74 [2019-11-23 21:59:50,260 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:50,452 WARN L192 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 120 [2019-11-23 21:59:50,452 INFO L567 ElimStorePlain]: treesize reduction 24, result has 93.4 percent of original size [2019-11-23 21:59:50,463 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:50,464 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 70 treesize of output 57 [2019-11-23 21:59:50,465 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:50,466 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:50,466 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 21:59:50,656 WARN L192 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2019-11-23 21:59:50,657 INFO L567 ElimStorePlain]: treesize reduction 4, result has 98.7 percent of original size [2019-11-23 21:59:50,665 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:59:50,665 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 47 treesize of output 35 [2019-11-23 21:59:50,666 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:50,746 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:50,757 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:50,757 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 107 treesize of output 74 [2019-11-23 21:59:50,758 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:50,759 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:50,760 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 21:59:50,944 WARN L192 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2019-11-23 21:59:50,945 INFO L567 ElimStorePlain]: treesize reduction 4, result has 98.4 percent of original size [2019-11-23 21:59:50,962 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:50,962 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 100 treesize of output 67 [2019-11-23 21:59:50,963 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:50,964 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:50,964 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 21:59:51,119 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 96 [2019-11-23 21:59:51,119 INFO L567 ElimStorePlain]: treesize reduction 8, result has 96.3 percent of original size [2019-11-23 21:59:51,131 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:51,131 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 59 treesize of output 46 [2019-11-23 21:59:51,132 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:51,133 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:51,133 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 21:59:51,277 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2019-11-23 21:59:51,278 INFO L567 ElimStorePlain]: treesize reduction 4, result has 97.9 percent of original size [2019-11-23 21:59:51,285 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 53 treesize of output 39 [2019-11-23 21:59:51,285 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:51,350 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:51,357 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 50 [2019-11-23 21:59:51,357 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:51,412 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:51,414 INFO L496 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 8 dim-2 vars, End of recursive call: 11 dim-0 vars, and 4 xjuncts. [2019-11-23 21:59:51,414 INFO L221 ElimStorePlain]: Needed 9 recursive calls to eliminate 15 variables, input treesize:372, output treesize:143 [2019-11-23 21:59:51,661 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:51,742 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:51,743 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2019-11-23 21:59:51,743 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:51,748 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:51,749 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:51,749 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:37, output treesize:3 [2019-11-23 21:59:51,759 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:59:51,759 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-23 21:59:51,759 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 18] total 26 [2019-11-23 21:59:51,760 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244112546] [2019-11-23 21:59:51,760 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2019-11-23 21:59:51,760 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:59:51,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2019-11-23 21:59:51,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=558, Unknown=0, NotChecked=0, Total=650 [2019-11-23 21:59:51,761 INFO L87 Difference]: Start difference. First operand 73 states and 79 transitions. Second operand 26 states. [2019-11-23 21:59:52,725 WARN L192 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2019-11-23 21:59:53,067 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-11-23 21:59:53,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:59:53,376 INFO L93 Difference]: Finished difference Result 91 states and 98 transitions. [2019-11-23 21:59:53,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-11-23 21:59:53,377 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 33 [2019-11-23 21:59:53,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:59:53,378 INFO L225 Difference]: With dead ends: 91 [2019-11-23 21:59:53,378 INFO L226 Difference]: Without dead ends: 87 [2019-11-23 21:59:53,379 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 19 SyntacticMatches, 7 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 422 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=233, Invalid=1407, Unknown=0, NotChecked=0, Total=1640 [2019-11-23 21:59:53,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2019-11-23 21:59:53,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 75. [2019-11-23 21:59:53,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-11-23 21:59:53,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 81 transitions. [2019-11-23 21:59:53,385 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 81 transitions. Word has length 33 [2019-11-23 21:59:53,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:59:53,386 INFO L462 AbstractCegarLoop]: Abstraction has 75 states and 81 transitions. [2019-11-23 21:59:53,386 INFO L463 AbstractCegarLoop]: Interpolant automaton has 26 states. [2019-11-23 21:59:53,386 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 81 transitions. [2019-11-23 21:59:53,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-23 21:59:53,386 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:59:53,387 INFO L410 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:59:53,590 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:59:53,591 INFO L410 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:59:53,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:59:53,592 INFO L82 PathProgramCache]: Analyzing trace with hash 170644940, now seen corresponding path program 4 times [2019-11-23 21:59:53,592 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:59:53,592 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155908436] [2019-11-23 21:59:53,592 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:59:53,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:59:54,014 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:59:54,015 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155908436] [2019-11-23 21:59:54,015 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2046303292] [2019-11-23 21:59:54,015 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 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:59:54,086 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-11-23 21:59:54,086 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-23 21:59:54,088 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 59 conjunts are in the unsatisfiable core [2019-11-23 21:59:54,089 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 21:59:54,099 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 21:59:54,099 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:54,101 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:54,102 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:54,102 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-23 21:59:54,152 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:54,152 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 17 treesize of output 39 [2019-11-23 21:59:54,153 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:54,176 INFO L567 ElimStorePlain]: treesize reduction 14, result has 60.0 percent of original size [2019-11-23 21:59:54,176 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:54,177 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:21 [2019-11-23 21:59:54,214 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 13 treesize of output 9 [2019-11-23 21:59:54,214 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:54,228 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:54,237 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 13 treesize of output 9 [2019-11-23 21:59:54,237 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:54,251 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:54,251 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 21:59:54,252 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:59, output treesize:45 [2019-11-23 21:59:54,284 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_45|], 2=[|v_#memory_$Pointer$.base_48|, |v_#memory_$Pointer$.offset_46|]} [2019-11-23 21:59:54,287 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 21:59:54,287 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:54,309 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:54,344 INFO L343 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2019-11-23 21:59:54,344 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 32 [2019-11-23 21:59:54,345 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:54,389 INFO L567 ElimStorePlain]: treesize reduction 10, result has 84.6 percent of original size [2019-11-23 21:59:54,397 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 25 treesize of output 13 [2019-11-23 21:59:54,397 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:54,409 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:54,409 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:54,410 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:86, output treesize:40 [2019-11-23 21:59:54,488 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:54,488 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 22 treesize of output 69 [2019-11-23 21:59:54,489 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:54,543 INFO L567 ElimStorePlain]: treesize reduction 28, result has 65.4 percent of original size [2019-11-23 21:59:54,543 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:54,544 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:51, output treesize:53 [2019-11-23 21:59:54,615 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:54,615 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 183 treesize of output 165 [2019-11-23 21:59:54,616 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:54,616 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:54,617 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2019-11-23 21:59:54,705 INFO L567 ElimStorePlain]: treesize reduction 189, result has 49.7 percent of original size [2019-11-23 21:59:54,711 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 108 [2019-11-23 21:59:54,712 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:54,745 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:54,750 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:59:54,751 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 69 treesize of output 23 [2019-11-23 21:59:54,751 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:54,777 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:54,778 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:54,778 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:197, output treesize:140 [2019-11-23 21:59:54,831 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.offset_48|, |v_#memory_int_47|], 6=[|v_#memory_$Pointer$.base_50|]} [2019-11-23 21:59:54,857 INFO L343 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2019-11-23 21:59:54,857 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 129 treesize of output 103 [2019-11-23 21:59:54,858 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:54,859 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:54,859 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 21:59:54,924 INFO L567 ElimStorePlain]: treesize reduction 10, result has 93.5 percent of original size [2019-11-23 21:59:54,929 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:59:54,931 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 25 treesize of output 24 [2019-11-23 21:59:54,932 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:54,962 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:55,028 INFO L343 Elim1Store]: treesize reduction 48, result has 53.4 percent of original size [2019-11-23 21:59:55,028 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 90 [2019-11-23 21:59:55,029 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,029 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,030 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,030 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,031 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,031 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,032 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 21:59:55,111 INFO L567 ElimStorePlain]: treesize reduction 36, result has 65.7 percent of original size [2019-11-23 21:59:55,112 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:55,112 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:181, output treesize:93 [2019-11-23 21:59:55,210 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:55,210 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 27 treesize of output 43 [2019-11-23 21:59:55,211 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:55,230 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:55,230 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:55,231 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:98, output treesize:90 [2019-11-23 21:59:55,288 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.offset_49|], 6=[|v_#memory_int_48|, |v_#memory_$Pointer$.base_51|]} [2019-11-23 21:59:55,306 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:55,307 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 315 treesize of output 267 [2019-11-23 21:59:55,307 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,308 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,309 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2019-11-23 21:59:55,425 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2019-11-23 21:59:55,426 INFO L567 ElimStorePlain]: treesize reduction 605, result has 34.4 percent of original size [2019-11-23 21:59:55,431 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 21:59:55,432 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 51 [2019-11-23 21:59:55,433 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:55,468 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:55,518 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:55,519 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 240 treesize of output 206 [2019-11-23 21:59:55,520 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,520 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,521 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,525 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2019-11-23 21:59:55,622 INFO L567 ElimStorePlain]: treesize reduction 442, result has 33.4 percent of original size [2019-11-23 21:59:55,623 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-23 21:59:55,624 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:339, output treesize:240 [2019-11-23 21:59:55,675 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.offset_50|], 6=[|v_#memory_int_49|], 12=[|v_#memory_$Pointer$.base_52|]} [2019-11-23 21:59:55,696 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:55,696 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 436 treesize of output 382 [2019-11-23 21:59:55,697 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,698 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:55,768 INFO L567 ElimStorePlain]: treesize reduction 72, result has 83.3 percent of original size [2019-11-23 21:59:55,772 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 82 [2019-11-23 21:59:55,772 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:55,806 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:55,908 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:55,909 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 331 treesize of output 285 [2019-11-23 21:59:55,910 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,910 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,911 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,911 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,912 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,912 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,913 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,913 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,913 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,914 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,915 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,915 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,916 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,916 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,917 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,918 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,918 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,919 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,919 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,920 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,921 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,922 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,923 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,924 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,924 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,925 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,925 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,926 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,926 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,927 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,927 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,928 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,929 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,929 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,929 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,930 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,931 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,931 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,932 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,932 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,932 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,933 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,933 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,934 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,935 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,935 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,935 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,936 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,937 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,938 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,939 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,939 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,940 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,941 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,942 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,943 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,943 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,944 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,945 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,946 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,947 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,948 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,948 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,949 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,949 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,950 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,951 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,952 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,953 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,953 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,954 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,955 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,956 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,957 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,957 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,958 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,959 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,960 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,961 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,961 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,962 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,963 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,964 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,965 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,965 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,966 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,967 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,968 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,968 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,969 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,970 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,971 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,972 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,972 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,973 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,974 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,974 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,975 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,976 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,977 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,978 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,978 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,979 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,980 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,981 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,981 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,983 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,983 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,984 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,985 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,986 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,987 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,987 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,988 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,989 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,990 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,992 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,993 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,994 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,994 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,995 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,995 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,996 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:55,996 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,997 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,998 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:55,999 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:56,000 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,001 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,002 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,003 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:56,003 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,004 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:56,005 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,006 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:56,007 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,008 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,008 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:56,009 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:56,010 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,011 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,012 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,013 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:56,014 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:56,015 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,016 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,018 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:56,019 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:56,019 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,021 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,022 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,023 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:56,024 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,026 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:56,026 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:56,027 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:56,028 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,029 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,030 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,031 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:56,032 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,032 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,033 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,034 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:56,035 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,036 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:56,037 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,038 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:56,039 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,040 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,041 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:56,042 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:56,042 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,052 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,053 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,054 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:56,055 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:56,055 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:56,056 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:56,057 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,058 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,058 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,059 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:56,060 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,061 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,061 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,062 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:56,063 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,064 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:56,065 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,066 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:56,067 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,068 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,070 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:56,071 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:56,072 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,073 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,075 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,076 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:56,077 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:56,078 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,079 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,083 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:56,085 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:56,087 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,088 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,089 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,090 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:56,091 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,092 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:56,093 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:56,093 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:56,094 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,095 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,096 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,097 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:56,098 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,099 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,100 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,102 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:56,103 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,105 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:56,108 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,110 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:56,111 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,112 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,114 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:56,115 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:56,116 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,117 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,118 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:59:56,126 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 20 xjuncts. [2019-11-23 21:59:56,699 WARN L192 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 43 [2019-11-23 21:59:56,700 INFO L567 ElimStorePlain]: treesize reduction 55701, result has 0.4 percent of original size [2019-11-23 21:59:56,701 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-23 21:59:56,701 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:446, output treesize:244 [2019-11-23 21:59:56,769 INFO L392 ElimStorePlain]: Different costs {0=[|#memory_$Pointer$.offset|], 6=[|#memory_$Pointer$.base|]} [2019-11-23 21:59:56,772 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 243 treesize of output 183 [2019-11-23 21:59:56,772 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:56,795 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:56,816 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:56,817 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 5 new quantified variables, introduced 3 case distinctions, treesize of input 199 treesize of output 103 [2019-11-23 21:59:56,818 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:56,818 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:56,821 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:56,822 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:56,823 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:56,823 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 21:59:56,824 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 21:59:56,866 INFO L567 ElimStorePlain]: treesize reduction 48, result has 48.9 percent of original size [2019-11-23 21:59:56,867 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2019-11-23 21:59:56,867 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:262, output treesize:34 [2019-11-23 21:59:56,956 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:59:56,957 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-23 21:59:56,957 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15] total 30 [2019-11-23 21:59:56,957 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771161710] [2019-11-23 21:59:56,958 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2019-11-23 21:59:56,958 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:59:56,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2019-11-23 21:59:56,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=766, Unknown=0, NotChecked=0, Total=870 [2019-11-23 21:59:56,959 INFO L87 Difference]: Start difference. First operand 75 states and 81 transitions. Second operand 30 states. [2019-11-23 21:59:58,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:59:58,884 INFO L93 Difference]: Finished difference Result 111 states and 120 transitions. [2019-11-23 21:59:58,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-11-23 21:59:58,885 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 33 [2019-11-23 21:59:58,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:59:58,886 INFO L225 Difference]: With dead ends: 111 [2019-11-23 21:59:58,886 INFO L226 Difference]: Without dead ends: 105 [2019-11-23 21:59:58,888 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 566 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=311, Invalid=2041, Unknown=0, NotChecked=0, Total=2352 [2019-11-23 21:59:58,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2019-11-23 21:59:58,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 87. [2019-11-23 21:59:58,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2019-11-23 21:59:58,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 95 transitions. [2019-11-23 21:59:58,894 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 95 transitions. Word has length 33 [2019-11-23 21:59:58,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:59:58,895 INFO L462 AbstractCegarLoop]: Abstraction has 87 states and 95 transitions. [2019-11-23 21:59:58,895 INFO L463 AbstractCegarLoop]: Interpolant automaton has 30 states. [2019-11-23 21:59:58,895 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 95 transitions. [2019-11-23 21:59:58,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-23 21:59:58,895 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:59:58,895 INFO L410 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:59:59,099 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:59:59,099 INFO L410 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:59:59,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:59:59,100 INFO L82 PathProgramCache]: Analyzing trace with hash 1588295920, now seen corresponding path program 7 times [2019-11-23 21:59:59,100 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:59:59,100 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144229382] [2019-11-23 21:59:59,100 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:59:59,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:59:59,686 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:59:59,687 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144229382] [2019-11-23 21:59:59,687 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1420602620] [2019-11-23 21:59:59,687 INFO L92 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:59:59,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:59:59,743 WARN L253 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 83 conjunts are in the unsatisfiable core [2019-11-23 21:59:59,745 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 21:59:59,753 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 21:59:59,753 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:59,756 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:59,756 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:59,756 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-23 21:59:59,781 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:59,782 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 17 treesize of output 39 [2019-11-23 21:59:59,782 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:59,814 INFO L567 ElimStorePlain]: treesize reduction 14, result has 65.9 percent of original size [2019-11-23 21:59:59,814 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:59,815 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:27 [2019-11-23 21:59:59,823 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 11 treesize of output 7 [2019-11-23 21:59:59,823 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:59,841 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:59,846 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 11 treesize of output 7 [2019-11-23 21:59:59,847 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:59,864 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:59,864 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:59,865 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:54, output treesize:47 [2019-11-23 21:59:59,876 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 23 treesize of output 11 [2019-11-23 21:59:59,877 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:59,895 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:59,898 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 23 treesize of output 11 [2019-11-23 21:59:59,899 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:59,909 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:59,910 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 21:59:59,910 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:65, output treesize:35 [2019-11-23 21:59:59,944 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 21:59:59,944 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 22 treesize of output 69 [2019-11-23 21:59:59,945 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 21:59:59,999 INFO L567 ElimStorePlain]: treesize reduction 28, result has 63.2 percent of original size [2019-11-23 21:59:59,999 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 22:00:00,000 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:46, output treesize:48 [2019-11-23 22:00:00,061 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:00,061 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 86 treesize of output 72 [2019-11-23 22:00:00,062 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,062 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,063 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:00,112 INFO L567 ElimStorePlain]: treesize reduction 8, result has 92.2 percent of original size [2019-11-23 22:00:00,117 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 22:00:00,118 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 27 treesize of output 22 [2019-11-23 22:00:00,118 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:00,142 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:00,143 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 22:00:00,143 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:110, output treesize:88 [2019-11-23 22:00:00,195 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_50|], 5=[|v_#memory_$Pointer$.base_56|, |v_#memory_$Pointer$.offset_54|]} [2019-11-23 22:00:00,200 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 22:00:00,201 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:00,234 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:00,294 INFO L343 Elim1Store]: treesize reduction 40, result has 49.4 percent of original size [2019-11-23 22:00:00,295 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 88 treesize of output 70 [2019-11-23 22:00:00,295 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,296 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,296 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,297 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,297 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,298 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,298 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 22:00:00,362 INFO L567 ElimStorePlain]: treesize reduction 24, result has 76.2 percent of original size [2019-11-23 22:00:00,366 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 22:00:00,367 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 30 treesize of output 21 [2019-11-23 22:00:00,367 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:00,391 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:00,391 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 22:00:00,391 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:129, output treesize:71 [2019-11-23 22:00:00,446 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 22:00:00,461 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:00,462 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 25 treesize of output 41 [2019-11-23 22:00:00,462 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:00,484 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:00,485 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 22:00:00,485 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:79, output treesize:71 [2019-11-23 22:00:00,536 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_51|], 5=[|v_#memory_$Pointer$.base_57|, |v_#memory_$Pointer$.offset_55|]} [2019-11-23 22:00:00,540 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 22:00:00,541 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 83 treesize of output 27 [2019-11-23 22:00:00,541 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:00,583 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:00,623 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:00,624 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 196 treesize of output 163 [2019-11-23 22:00:00,625 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,626 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,626 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,627 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:00,699 INFO L567 ElimStorePlain]: treesize reduction 84, result has 70.2 percent of original size [2019-11-23 22:00:00,703 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 22:00:00,704 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 108 [2019-11-23 22:00:00,705 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:00,736 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:00,736 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 22:00:00,737 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:269, output treesize:227 [2019-11-23 22:00:00,801 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_52|], 11=[|v_#memory_$Pointer$.base_58|, |v_#memory_$Pointer$.offset_56|]} [2019-11-23 22:00:00,805 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 101 treesize of output 78 [2019-11-23 22:00:00,805 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:00,844 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:00,923 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:00,924 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 468 treesize of output 316 [2019-11-23 22:00:00,926 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,927 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:00,927 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:00,928 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,929 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:00,929 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,929 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:00,930 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,930 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,931 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,932 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,932 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:00,932 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,933 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,934 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,934 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,935 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:00,935 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,936 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,936 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,937 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,938 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:00,938 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,938 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:00,939 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,939 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,940 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,941 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,941 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:00,942 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,943 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,944 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,945 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,945 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:00,946 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,947 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,948 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,949 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,950 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:00,950 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,951 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:00,952 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,952 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,953 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,954 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,955 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:00,955 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,956 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,957 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,958 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,959 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:00,959 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,960 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,961 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,962 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:00,963 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,964 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:00,964 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,965 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:00,965 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,966 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,967 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,968 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,969 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:00,969 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,970 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,971 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,972 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,972 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:00,973 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,974 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,975 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,976 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,977 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:00,977 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,978 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:00,978 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,979 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,980 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,981 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,982 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:00,982 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,983 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,984 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,984 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,985 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:00,985 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,986 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,986 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,987 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,988 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:00,988 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,988 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:00,989 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,989 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,990 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,990 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,991 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:00,991 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,991 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,992 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,993 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,993 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:00,993 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,994 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:00,994 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:01,000 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 12 xjuncts. [2019-11-23 22:00:01,334 WARN L192 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 50 [2019-11-23 22:00:01,334 INFO L567 ElimStorePlain]: treesize reduction 23453, result has 1.5 percent of original size [2019-11-23 22:00:01,339 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 22:00:01,396 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:01,396 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 3 case distinctions, treesize of input 322 treesize of output 354 [2019-11-23 22:00:01,398 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:01,459 INFO L567 ElimStorePlain]: treesize reduction 148, result has 58.2 percent of original size [2019-11-23 22:00:01,460 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 22:00:01,460 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:504, output treesize:206 [2019-11-23 22:00:01,705 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-23 22:00:01,768 INFO L343 Elim1Store]: treesize reduction 8, result has 87.1 percent of original size [2019-11-23 22:00:01,768 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 245 treesize of output 147 [2019-11-23 22:00:01,770 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:01,770 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:01,771 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:01,771 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:01,772 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:01,773 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:01,773 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:01,774 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:01,774 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:01,775 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:01,775 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:01,776 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:01,776 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:01,776 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:01,777 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:01,777 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:01,778 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:01,779 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:01,779 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:01,779 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:01,780 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:01,781 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:01,782 INFO L496 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-23 22:00:01,866 INFO L567 ElimStorePlain]: treesize reduction 72, result has 54.4 percent of original size [2019-11-23 22:00:01,872 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:01,873 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 42 [2019-11-23 22:00:01,873 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:01,897 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:01,898 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-11-23 22:00:01,898 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:259, output treesize:45 [2019-11-23 22:00:01,963 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:01,964 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 32 [2019-11-23 22:00:01,964 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:01,976 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:01,976 INFO L496 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 22:00:01,976 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:52, output treesize:3 [2019-11-23 22:00:01,996 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 22:00:01,996 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-23 22:00:01,996 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 27 [2019-11-23 22:00:01,996 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794092777] [2019-11-23 22:00:01,996 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-11-23 22:00:01,997 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 22:00:01,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-11-23 22:00:01,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=615, Unknown=0, NotChecked=0, Total=702 [2019-11-23 22:00:01,997 INFO L87 Difference]: Start difference. First operand 87 states and 95 transitions. Second operand 27 states. [2019-11-23 22:00:03,147 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 76 [2019-11-23 22:00:03,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 22:00:03,325 INFO L93 Difference]: Finished difference Result 105 states and 114 transitions. [2019-11-23 22:00:03,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-11-23 22:00:03,326 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 35 [2019-11-23 22:00:03,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 22:00:03,327 INFO L225 Difference]: With dead ends: 105 [2019-11-23 22:00:03,327 INFO L226 Difference]: Without dead ends: 101 [2019-11-23 22:00:03,328 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 25 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 373 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=197, Invalid=1443, Unknown=0, NotChecked=0, Total=1640 [2019-11-23 22:00:03,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2019-11-23 22:00:03,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 89. [2019-11-23 22:00:03,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2019-11-23 22:00:03,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 97 transitions. [2019-11-23 22:00:03,334 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 97 transitions. Word has length 35 [2019-11-23 22:00:03,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 22:00:03,334 INFO L462 AbstractCegarLoop]: Abstraction has 89 states and 97 transitions. [2019-11-23 22:00:03,334 INFO L463 AbstractCegarLoop]: Interpolant automaton has 27 states. [2019-11-23 22:00:03,335 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 97 transitions. [2019-11-23 22:00:03,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-23 22:00:03,335 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 22:00:03,335 INFO L410 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 22:00:03,535 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 22:00:03,536 INFO L410 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 22:00:03,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 22:00:03,537 INFO L82 PathProgramCache]: Analyzing trace with hash 829706151, now seen corresponding path program 5 times [2019-11-23 22:00:03,537 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 22:00:03,537 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19574681] [2019-11-23 22:00:03,538 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 22:00:03,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 22:00:04,126 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 22:00:04,126 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19574681] [2019-11-23 22:00:04,126 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [623673507] [2019-11-23 22:00:04,127 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 22:00:04,214 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2019-11-23 22:00:04,214 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-23 22:00:04,216 WARN L253 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 82 conjunts are in the unsatisfiable core [2019-11-23 22:00:04,218 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 22:00:04,227 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 22:00:04,227 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:04,231 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:04,231 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 22:00:04,231 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-23 22:00:04,297 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:04,297 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 17 treesize of output 39 [2019-11-23 22:00:04,298 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:04,322 INFO L567 ElimStorePlain]: treesize reduction 14, result has 63.2 percent of original size [2019-11-23 22:00:04,322 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 22:00:04,323 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:24 [2019-11-23 22:00:04,359 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 13 treesize of output 9 [2019-11-23 22:00:04,359 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:04,375 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:04,379 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 13 treesize of output 9 [2019-11-23 22:00:04,380 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:04,395 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:04,396 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 22:00:04,396 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:59, output treesize:54 [2019-11-23 22:00:04,458 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 22:00:04,459 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 34 treesize of output 16 [2019-11-23 22:00:04,459 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:04,477 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:04,500 INFO L343 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2019-11-23 22:00:04,500 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 32 [2019-11-23 22:00:04,501 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:04,530 INFO L567 ElimStorePlain]: treesize reduction 10, result has 78.3 percent of original size [2019-11-23 22:00:04,530 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 22:00:04,531 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:84, output treesize:36 [2019-11-23 22:00:04,589 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:04,590 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 28 treesize of output 99 [2019-11-23 22:00:04,590 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:04,647 INFO L567 ElimStorePlain]: treesize reduction 46, result has 62.3 percent of original size [2019-11-23 22:00:04,648 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 22:00:04,648 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:76 [2019-11-23 22:00:04,699 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 86 [2019-11-23 22:00:04,700 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:04,729 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:04,750 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:04,751 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 94 treesize of output 84 [2019-11-23 22:00:04,752 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:04,752 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:04,753 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:04,754 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2019-11-23 22:00:04,818 INFO L567 ElimStorePlain]: treesize reduction 92, result has 53.8 percent of original size [2019-11-23 22:00:04,819 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 22:00:04,819 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:159, output treesize:124 [2019-11-23 22:00:04,876 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_53|], 6=[|v_#memory_$Pointer$.offset_60|, |v_#memory_$Pointer$.base_62|]} [2019-11-23 22:00:04,881 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 22:00:04,881 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:04,919 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:04,928 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 22:00:04,929 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 22:00:04,929 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 51 treesize of output 32 [2019-11-23 22:00:04,930 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:04,961 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:05,023 INFO L343 Elim1Store]: treesize reduction 44, result has 52.7 percent of original size [2019-11-23 22:00:05,024 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 125 treesize of output 91 [2019-11-23 22:00:05,025 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:05,025 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,025 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,026 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,027 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,028 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:05,028 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,029 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,029 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,029 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,030 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 22:00:05,093 INFO L567 ElimStorePlain]: treesize reduction 32, result has 69.8 percent of original size [2019-11-23 22:00:05,094 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 22:00:05,094 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:165, output treesize:101 [2019-11-23 22:00:05,174 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:05,174 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 27 treesize of output 43 [2019-11-23 22:00:05,175 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:05,201 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:05,202 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 22:00:05,202 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:109, output treesize:101 [2019-11-23 22:00:05,268 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_54|], 6=[|v_#memory_$Pointer$.base_63|, |v_#memory_$Pointer$.offset_61|]} [2019-11-23 22:00:05,272 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 22:00:05,273 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 31 [2019-11-23 22:00:05,273 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:05,314 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:05,361 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:05,362 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 253 treesize of output 188 [2019-11-23 22:00:05,363 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:05,364 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:05,364 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,365 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:05,365 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,366 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,366 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,367 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:05,367 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,368 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,368 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:05,369 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,369 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:05,370 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,370 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,371 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,372 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:05,372 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,372 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,374 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 7 xjuncts. [2019-11-23 22:00:05,520 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 50 [2019-11-23 22:00:05,521 INFO L567 ElimStorePlain]: treesize reduction 2826, result has 7.6 percent of original size [2019-11-23 22:00:05,545 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:05,545 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 180 treesize of output 187 [2019-11-23 22:00:05,546 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:05,613 INFO L567 ElimStorePlain]: treesize reduction 54, result has 74.8 percent of original size [2019-11-23 22:00:05,614 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 22:00:05,614 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:335, output treesize:185 [2019-11-23 22:00:05,675 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_55|], 11=[|v_#memory_$Pointer$.base_64|, |v_#memory_$Pointer$.offset_62|]} [2019-11-23 22:00:05,678 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 71 treesize of output 56 [2019-11-23 22:00:05,679 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:05,753 INFO L567 ElimStorePlain]: treesize reduction 28, result has 92.1 percent of original size [2019-11-23 22:00:05,835 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:05,836 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 319 treesize of output 264 [2019-11-23 22:00:05,837 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,838 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:05,839 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:05,839 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,839 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,840 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:05,840 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:05,841 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,841 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,842 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,842 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:05,843 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,843 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,844 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,845 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:05,845 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,845 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,846 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,847 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,847 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:05,847 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:05,848 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,848 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,849 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,849 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:05,850 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,850 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,851 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,851 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:05,851 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,852 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,852 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,853 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,854 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,854 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:05,854 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:05,855 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,855 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,856 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,856 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:05,857 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,857 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,858 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,858 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:05,858 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,859 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,859 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,860 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,861 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:05,861 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:05,861 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,862 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,862 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,863 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:05,863 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,864 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,864 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,865 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:05,865 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,865 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,866 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,867 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:05,867 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,867 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,868 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:05,868 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:05,869 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,869 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,870 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,870 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:05,870 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,871 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,871 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,872 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:05,872 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,873 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,873 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,874 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,874 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,875 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:05,875 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:05,875 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,876 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,876 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,877 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:05,877 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,878 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,878 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,879 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:05,879 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,880 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,880 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,881 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:05,881 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,882 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,882 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:05,882 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:05,883 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,883 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,884 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,884 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:05,884 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,885 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,885 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,886 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,887 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:05,887 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:05,887 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,888 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,888 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,889 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:05,889 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,890 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,890 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,891 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,891 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,892 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:05,892 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:05,892 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,893 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,894 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,894 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:05,895 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,895 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,896 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,896 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,897 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:05,897 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:05,897 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,898 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,898 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,899 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:05,899 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,900 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,900 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,901 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:05,902 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,902 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:05,902 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,903 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,903 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:05,904 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:05,911 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 10 xjuncts. [2019-11-23 22:00:06,297 WARN L192 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 49 [2019-11-23 22:00:06,297 INFO L567 ElimStorePlain]: treesize reduction 28628, result has 0.8 percent of original size [2019-11-23 22:00:06,302 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 22:00:06,325 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:06,326 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 160 treesize of output 212 [2019-11-23 22:00:06,326 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:06,348 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:06,349 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 22:00:06,349 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:374, output treesize:144 [2019-11-23 22:00:06,516 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-23 22:00:06,579 INFO L343 Elim1Store]: treesize reduction 8, result has 88.6 percent of original size [2019-11-23 22:00:06,580 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 6 new quantified variables, introduced 6 case distinctions, treesize of input 196 treesize of output 143 [2019-11-23 22:00:06,581 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:06,581 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:06,582 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:06,582 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:06,583 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:06,584 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:06,584 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:06,585 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:06,585 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:06,586 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:06,586 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:06,586 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:06,587 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:06,587 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:06,588 INFO L496 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-23 22:00:06,654 INFO L567 ElimStorePlain]: treesize reduction 58, result has 58.6 percent of original size [2019-11-23 22:00:06,662 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:06,662 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 33 [2019-11-23 22:00:06,663 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:06,677 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:06,677 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-23 22:00:06,678 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:205, output treesize:29 [2019-11-23 22:00:06,782 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 22:00:06,782 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-23 22:00:06,782 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 31 [2019-11-23 22:00:06,783 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377666503] [2019-11-23 22:00:06,783 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2019-11-23 22:00:06,783 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 22:00:06,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2019-11-23 22:00:06,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=832, Unknown=0, NotChecked=0, Total=930 [2019-11-23 22:00:06,784 INFO L87 Difference]: Start difference. First operand 89 states and 97 transitions. Second operand 31 states. [2019-11-23 22:00:08,557 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 74 [2019-11-23 22:00:08,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 22:00:08,982 INFO L93 Difference]: Finished difference Result 113 states and 123 transitions. [2019-11-23 22:00:08,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-11-23 22:00:08,984 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 35 [2019-11-23 22:00:08,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 22:00:08,985 INFO L225 Difference]: With dead ends: 113 [2019-11-23 22:00:08,985 INFO L226 Difference]: Without dead ends: 109 [2019-11-23 22:00:08,986 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 21 SyntacticMatches, 2 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 564 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=274, Invalid=2176, Unknown=0, NotChecked=0, Total=2450 [2019-11-23 22:00:08,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2019-11-23 22:00:08,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 93. [2019-11-23 22:00:08,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2019-11-23 22:00:08,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 101 transitions. [2019-11-23 22:00:08,993 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 101 transitions. Word has length 35 [2019-11-23 22:00:08,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 22:00:08,994 INFO L462 AbstractCegarLoop]: Abstraction has 93 states and 101 transitions. [2019-11-23 22:00:08,994 INFO L463 AbstractCegarLoop]: Interpolant automaton has 31 states. [2019-11-23 22:00:08,994 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 101 transitions. [2019-11-23 22:00:08,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-23 22:00:08,994 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 22:00:08,994 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 22:00:09,198 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 22:00:09,198 INFO L410 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 22:00:09,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 22:00:09,199 INFO L82 PathProgramCache]: Analyzing trace with hash 1673365419, now seen corresponding path program 8 times [2019-11-23 22:00:09,199 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 22:00:09,199 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580458823] [2019-11-23 22:00:09,199 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 22:00:09,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 22:00:09,892 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 22:00:09,892 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580458823] [2019-11-23 22:00:09,892 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1791917928] [2019-11-23 22:00:09,892 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 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 22:00:09,943 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-23 22:00:09,943 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-23 22:00:09,944 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 71 conjunts are in the unsatisfiable core [2019-11-23 22:00:09,946 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 22:00:09,948 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 22:00:09,948 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:09,952 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:09,952 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 22:00:09,952 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-23 22:00:09,975 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:09,975 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 17 treesize of output 39 [2019-11-23 22:00:09,976 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:10,002 INFO L567 ElimStorePlain]: treesize reduction 14, result has 63.2 percent of original size [2019-11-23 22:00:10,002 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 22:00:10,003 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:24 [2019-11-23 22:00:10,041 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 11 treesize of output 7 [2019-11-23 22:00:10,041 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:10,058 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:10,062 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 11 treesize of output 7 [2019-11-23 22:00:10,062 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:10,078 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:10,078 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 22:00:10,079 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:54, output treesize:40 [2019-11-23 22:00:10,141 INFO L343 Elim1Store]: treesize reduction 21, result has 41.7 percent of original size [2019-11-23 22:00:10,141 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 28 [2019-11-23 22:00:10,141 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:10,173 INFO L567 ElimStorePlain]: treesize reduction 8, result has 85.5 percent of original size [2019-11-23 22:00:10,177 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 23 treesize of output 11 [2019-11-23 22:00:10,177 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:10,189 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:10,189 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 22:00:10,190 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:70, output treesize:32 [2019-11-23 22:00:10,251 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:10,251 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 26 treesize of output 89 [2019-11-23 22:00:10,252 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:10,298 INFO L567 ElimStorePlain]: treesize reduction 40, result has 58.8 percent of original size [2019-11-23 22:00:10,298 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 22:00:10,299 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:51, output treesize:57 [2019-11-23 22:00:10,374 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:10,375 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 110 treesize of output 116 [2019-11-23 22:00:10,375 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:10,376 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:10,377 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2019-11-23 22:00:10,446 INFO L567 ElimStorePlain]: treesize reduction 114, result has 51.1 percent of original size [2019-11-23 22:00:10,450 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 63 [2019-11-23 22:00:10,450 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:10,474 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:10,475 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 22:00:10,475 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:127, output treesize:119 [2019-11-23 22:00:10,597 INFO L343 Elim1Store]: treesize reduction 52, result has 54.0 percent of original size [2019-11-23 22:00:10,597 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 126 treesize of output 102 [2019-11-23 22:00:10,598 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:10,598 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:10,599 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:10,599 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:10,600 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:10,600 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:10,600 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 22:00:10,659 INFO L567 ElimStorePlain]: treesize reduction 40, result has 66.4 percent of original size [2019-11-23 22:00:10,663 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 0 case distinctions, treesize of input 42 treesize of output 32 [2019-11-23 22:00:10,663 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:10,696 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:10,696 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 22:00:10,696 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:149, output treesize:77 [2019-11-23 22:00:10,745 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:10,745 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 39 treesize of output 55 [2019-11-23 22:00:10,746 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:10,764 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:10,765 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 22:00:10,765 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:124, output treesize:116 [2019-11-23 22:00:10,868 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:10,868 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 259 treesize of output 214 [2019-11-23 22:00:10,870 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:10,870 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:10,871 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:10,872 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:10,872 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:10,872 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:10,873 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:10,873 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:10,874 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:10,874 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:10,874 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:10,875 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2019-11-23 22:00:10,986 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 48 [2019-11-23 22:00:10,987 INFO L567 ElimStorePlain]: treesize reduction 1763, result has 12.3 percent of original size [2019-11-23 22:00:11,024 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:11,024 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 5 new quantified variables, introduced 2 case distinctions, treesize of input 225 treesize of output 212 [2019-11-23 22:00:11,025 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,026 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,027 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,028 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,029 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,029 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,030 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,031 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,031 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,032 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,032 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,033 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,034 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,034 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,035 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,036 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,037 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 9 xjuncts. [2019-11-23 22:00:11,167 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 43 [2019-11-23 22:00:11,168 INFO L567 ElimStorePlain]: treesize reduction 1850, result has 11.1 percent of original size [2019-11-23 22:00:11,169 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 22:00:11,169 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:266, output treesize:258 [2019-11-23 22:00:11,231 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_56|], 12=[|v_#memory_$Pointer$.base_70|, |v_#memory_$Pointer$.offset_68|]} [2019-11-23 22:00:11,234 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 75 [2019-11-23 22:00:11,234 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:11,268 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:11,364 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:11,365 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 626 treesize of output 390 [2019-11-23 22:00:11,367 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,368 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,368 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,369 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,369 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,370 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,370 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,371 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,372 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,372 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,373 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,373 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,374 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,374 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,375 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,375 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,376 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,376 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,377 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,377 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,378 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,379 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,379 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,379 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,380 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,381 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,381 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,382 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,382 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,383 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,383 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,384 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,384 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,385 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,386 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,387 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,387 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,389 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,389 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,390 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,391 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,391 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,392 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,393 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,394 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,395 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,395 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,396 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,397 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,398 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,399 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,400 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,400 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,401 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,402 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,403 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,404 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,405 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,405 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,406 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,407 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,408 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,409 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,409 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,410 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,411 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,411 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,412 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,413 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,414 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,415 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,415 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,416 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,417 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,418 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,418 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,419 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,420 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,420 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,421 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,422 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,423 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,423 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,424 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,425 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,426 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,427 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,427 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,428 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,429 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,430 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,431 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,432 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,432 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,433 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,434 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,435 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,436 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,436 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,437 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,438 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,439 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,440 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,440 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,441 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,442 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,443 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,447 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 7 xjuncts. [2019-11-23 22:00:11,729 WARN L192 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 48 [2019-11-23 22:00:11,730 INFO L567 ElimStorePlain]: treesize reduction 50057, result has 0.9 percent of original size [2019-11-23 22:00:11,801 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:11,802 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 8 new quantified variables, introduced 5 case distinctions, treesize of input 433 treesize of output 399 [2019-11-23 22:00:11,805 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,805 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,806 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,806 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,807 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,808 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,808 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,809 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,810 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,810 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,811 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,812 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,812 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,813 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,814 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,815 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,816 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,817 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,817 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,818 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,818 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,819 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,820 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,820 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,821 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,822 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,822 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,823 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,824 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,825 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,826 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,826 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,827 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,828 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,828 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,829 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,830 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,830 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,831 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,832 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,832 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,833 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,835 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,835 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,836 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,836 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,837 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,837 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,838 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,840 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,841 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,842 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,842 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,844 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,845 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,846 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,846 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,847 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,848 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,849 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,850 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,851 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,851 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,852 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,853 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,854 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,854 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,855 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,856 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,856 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,857 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,858 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,859 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,859 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,860 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,861 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,862 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,862 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,863 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,863 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,864 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,865 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,865 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,866 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,866 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,867 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,867 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,868 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,868 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,869 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,870 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,871 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,871 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,872 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,872 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,873 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,874 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,875 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,876 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,876 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,877 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,877 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,878 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,879 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,879 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,880 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,880 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,880 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,881 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,882 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,883 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,883 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,884 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,885 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,886 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,886 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,887 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,887 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,888 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,889 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,889 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,890 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,891 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,892 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,893 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,894 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,894 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,895 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,895 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,896 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,897 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,898 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,899 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,900 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,900 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,901 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,902 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,903 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,904 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,904 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,905 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,905 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,906 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,907 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,908 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,909 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,910 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,910 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,911 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,911 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,913 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,913 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,914 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,915 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,915 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,916 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,916 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,917 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,918 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,919 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,919 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,920 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,920 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,921 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,923 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,924 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,924 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,925 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,925 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,926 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,927 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,928 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,929 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,930 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,930 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,931 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,932 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,932 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,934 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,935 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,936 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,936 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,937 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,937 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,938 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,939 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,940 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,940 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,941 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,942 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,943 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,944 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,944 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,945 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,946 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,947 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,948 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,949 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,949 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,950 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,950 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,951 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,952 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,953 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,954 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,954 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,955 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,956 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,957 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,958 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,958 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,959 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,960 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,961 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,962 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,963 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,964 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,965 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,965 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,966 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,967 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,968 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,969 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,969 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,969 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,970 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,971 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,971 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,972 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,972 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,973 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,974 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,974 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,975 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,975 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,976 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,977 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,977 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,978 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,978 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,979 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,980 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,980 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,981 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,981 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,982 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,982 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,983 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,984 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,985 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,985 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,986 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,987 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,988 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,989 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,989 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,990 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,990 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,991 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,992 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,992 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,993 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,994 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,995 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,996 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,996 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,997 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:11,998 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,998 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,999 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:11,999 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:12,000 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:12,000 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:12,000 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:12,001 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:12,001 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:12,002 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:12,002 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:12,003 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:12,003 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:12,004 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:12,004 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:12,004 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:12,005 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:12,006 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:12,006 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:12,006 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:12,007 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:12,007 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:12,008 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:12,009 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:12,009 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:12,009 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:12,010 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:12,010 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:12,011 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:12,011 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:12,012 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:12,012 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:12,013 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:12,013 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:12,014 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:12,014 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:12,014 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:12,015 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:12,015 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:12,016 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:12,016 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:12,017 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:12,017 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:12,018 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:12,019 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:12,020 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:12,021 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:12,021 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:12,021 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:12,022 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:12,023 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:12,024 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:12,025 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:12,025 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:12,026 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:12,027 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:12,028 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:12,029 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:12,029 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:12,030 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:12,031 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:12,060 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 82 xjuncts. [2019-11-23 22:00:13,304 WARN L192 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 290 DAG size of output: 40 [2019-11-23 22:00:13,304 INFO L567 ElimStorePlain]: treesize reduction 70368, result has 0.4 percent of original size [2019-11-23 22:00:13,305 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 22:00:13,305 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:667, output treesize:259 [2019-11-23 22:00:13,537 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:13,538 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 6 new quantified variables, introduced 3 case distinctions, treesize of input 330 treesize of output 139 [2019-11-23 22:00:13,539 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:13,539 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:13,540 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:13,541 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:13,542 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:13,543 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:13,543 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:13,544 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:13,545 INFO L496 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-23 22:00:13,584 INFO L567 ElimStorePlain]: treesize reduction 72, result has 48.2 percent of original size [2019-11-23 22:00:13,597 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 21 [2019-11-23 22:00:13,597 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:13,615 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:13,615 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 22:00:13,616 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:330, output treesize:7 [2019-11-23 22:00:13,623 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 22:00:13,623 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:13,628 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:13,628 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 22:00:13,628 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:15, output treesize:3 [2019-11-23 22:00:13,641 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 22:00:13,642 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-23 22:00:13,642 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15] total 26 [2019-11-23 22:00:13,642 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066629859] [2019-11-23 22:00:13,642 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2019-11-23 22:00:13,642 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 22:00:13,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2019-11-23 22:00:13,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=585, Unknown=0, NotChecked=0, Total=650 [2019-11-23 22:00:13,643 INFO L87 Difference]: Start difference. First operand 93 states and 101 transitions. Second operand 26 states. [2019-11-23 22:00:14,340 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 55 [2019-11-23 22:00:15,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 22:00:15,368 INFO L93 Difference]: Finished difference Result 113 states and 123 transitions. [2019-11-23 22:00:15,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-11-23 22:00:15,369 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 37 [2019-11-23 22:00:15,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 22:00:15,370 INFO L225 Difference]: With dead ends: 113 [2019-11-23 22:00:15,370 INFO L226 Difference]: Without dead ends: 109 [2019-11-23 22:00:15,371 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 28 SyntacticMatches, 3 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=131, Invalid=1201, Unknown=0, NotChecked=0, Total=1332 [2019-11-23 22:00:15,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2019-11-23 22:00:15,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 97. [2019-11-23 22:00:15,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2019-11-23 22:00:15,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 105 transitions. [2019-11-23 22:00:15,381 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 105 transitions. Word has length 37 [2019-11-23 22:00:15,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 22:00:15,381 INFO L462 AbstractCegarLoop]: Abstraction has 97 states and 105 transitions. [2019-11-23 22:00:15,381 INFO L463 AbstractCegarLoop]: Interpolant automaton has 26 states. [2019-11-23 22:00:15,381 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 105 transitions. [2019-11-23 22:00:15,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-23 22:00:15,381 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 22:00:15,381 INFO L410 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 22:00:15,582 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 22:00:15,582 INFO L410 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 22:00:15,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 22:00:15,583 INFO L82 PathProgramCache]: Analyzing trace with hash 1640338095, now seen corresponding path program 3 times [2019-11-23 22:00:15,583 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 22:00:15,583 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547195917] [2019-11-23 22:00:15,584 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 22:00:15,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 22:00:15,852 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-23 22:00:15,852 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547195917] [2019-11-23 22:00:15,852 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [279562635] [2019-11-23 22:00:15,852 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 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 22:00:15,932 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2019-11-23 22:00:15,932 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-23 22:00:15,934 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 66 conjunts are in the unsatisfiable core [2019-11-23 22:00:15,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 22:00:15,938 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 22:00:15,938 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:15,943 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:15,943 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 22:00:15,943 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-23 22:00:15,950 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 22:00:15,950 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:15,959 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:15,960 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 22:00:15,960 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:22 [2019-11-23 22:00:15,976 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:15,977 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 17 treesize of output 39 [2019-11-23 22:00:15,977 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:16,006 INFO L567 ElimStorePlain]: treesize reduction 14, result has 68.9 percent of original size [2019-11-23 22:00:16,006 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 22:00:16,006 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:33, output treesize:31 [2019-11-23 22:00:16,038 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 22:00:16,039 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 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 22:00:16,039 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:16,049 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:16,049 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 22:00:16,049 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:44, output treesize:25 [2019-11-23 22:00:16,074 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 22:00:16,074 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:16,084 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:16,084 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 22:00:16,085 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:32 [2019-11-23 22:00:16,121 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:16,122 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 16 treesize of output 26 [2019-11-23 22:00:16,122 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:16,134 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:16,134 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 22:00:16,134 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:33 [2019-11-23 22:00:16,181 INFO L343 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2019-11-23 22:00:16,182 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 1 case distinctions, treesize of input 34 treesize of output 21 [2019-11-23 22:00:16,182 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:16,197 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:16,198 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-23 22:00:16,198 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:52, output treesize:33 [2019-11-23 22:00:16,242 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2019-11-23 22:00:16,243 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:16,257 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:16,258 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-23 22:00:16,258 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:44, output treesize:40 [2019-11-23 22:00:16,342 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2019-11-23 22:00:16,343 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:16,355 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:16,356 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-11-23 22:00:16,356 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:55, output treesize:40 [2019-11-23 22:00:16,441 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:16,442 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 94 [2019-11-23 22:00:16,443 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:16,501 INFO L567 ElimStorePlain]: treesize reduction 56, result has 45.6 percent of original size [2019-11-23 22:00:16,502 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-11-23 22:00:16,502 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:51, output treesize:47 [2019-11-23 22:00:16,632 INFO L343 Elim1Store]: treesize reduction 20, result has 68.8 percent of original size [2019-11-23 22:00:16,633 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 44 treesize of output 77 [2019-11-23 22:00:16,634 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:16,692 INFO L567 ElimStorePlain]: treesize reduction 12, result has 82.1 percent of original size [2019-11-23 22:00:16,692 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:16,694 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2019-11-23 22:00:16,694 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:62, output treesize:55 [2019-11-23 22:00:16,694 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:16,791 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:16,792 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 94 [2019-11-23 22:00:16,792 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:16,854 INFO L567 ElimStorePlain]: treesize reduction 40, result has 60.0 percent of original size [2019-11-23 22:00:16,854 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:16,855 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:16,855 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:16,856 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:16,856 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:16,856 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:16,857 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2019-11-23 22:00:16,857 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:48, output treesize:60 [2019-11-23 22:00:16,857 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:16,858 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:16,858 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:16,858 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:16,858 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:16,859 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:16,891 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:16,892 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:16,893 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:16,893 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:16,894 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:16,894 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:16,941 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:16,942 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:16,942 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:16,943 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:16,943 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:16,944 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:17,067 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:17,134 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2019-11-23 22:00:17,135 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:17,142 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:17,142 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 22:00:17,142 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:41, output treesize:3 [2019-11-23 22:00:17,154 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-23 22:00:17,154 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-23 22:00:17,154 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 19] total 29 [2019-11-23 22:00:17,154 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141111282] [2019-11-23 22:00:17,154 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2019-11-23 22:00:17,154 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 22:00:17,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2019-11-23 22:00:17,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=678, Unknown=0, NotChecked=0, Total=812 [2019-11-23 22:00:17,155 INFO L87 Difference]: Start difference. First operand 97 states and 105 transitions. Second operand 29 states. [2019-11-23 22:00:17,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 22:00:17,763 INFO L93 Difference]: Finished difference Result 115 states and 123 transitions. [2019-11-23 22:00:17,764 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-23 22:00:17,764 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 37 [2019-11-23 22:00:17,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 22:00:17,765 INFO L225 Difference]: With dead ends: 115 [2019-11-23 22:00:17,765 INFO L226 Difference]: Without dead ends: 111 [2019-11-23 22:00:17,766 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 23 SyntacticMatches, 6 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 485 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=251, Invalid=1155, Unknown=0, NotChecked=0, Total=1406 [2019-11-23 22:00:17,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-11-23 22:00:17,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 97. [2019-11-23 22:00:17,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2019-11-23 22:00:17,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 105 transitions. [2019-11-23 22:00:17,774 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 105 transitions. Word has length 37 [2019-11-23 22:00:17,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 22:00:17,775 INFO L462 AbstractCegarLoop]: Abstraction has 97 states and 105 transitions. [2019-11-23 22:00:17,775 INFO L463 AbstractCegarLoop]: Interpolant automaton has 29 states. [2019-11-23 22:00:17,775 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 105 transitions. [2019-11-23 22:00:17,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-23 22:00:17,775 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 22:00:17,776 INFO L410 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 22:00:17,979 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 22:00:17,980 INFO L410 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 22:00:17,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 22:00:17,980 INFO L82 PathProgramCache]: Analyzing trace with hash 650473768, now seen corresponding path program 3 times [2019-11-23 22:00:17,980 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 22:00:17,981 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012424089] [2019-11-23 22:00:17,981 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 22:00:17,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 22:00:18,224 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-23 22:00:18,224 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012424089] [2019-11-23 22:00:18,225 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [876974232] [2019-11-23 22:00:18,225 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 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 22:00:18,306 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2019-11-23 22:00:18,306 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-23 22:00:18,308 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 62 conjunts are in the unsatisfiable core [2019-11-23 22:00:18,315 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 22:00:18,318 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 22:00:18,318 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:18,321 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:18,321 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 22:00:18,321 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-23 22:00:18,329 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 22:00:18,330 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:18,338 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:18,339 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 22:00:18,339 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:22 [2019-11-23 22:00:18,346 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:18,346 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 22:00:18,347 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:18,355 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:18,355 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 22:00:18,356 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:21 [2019-11-23 22:00:18,382 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 22:00:18,383 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 27 treesize of output 11 [2019-11-23 22:00:18,383 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:18,389 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:18,389 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 22:00:18,390 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:34, output treesize:15 [2019-11-23 22:00:18,417 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 22:00:18,418 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 22:00:18,418 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:18,426 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:18,426 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 22:00:18,426 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:34, output treesize:22 [2019-11-23 22:00:18,477 INFO L343 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2019-11-23 22:00:18,478 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 21 [2019-11-23 22:00:18,478 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:18,487 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:18,487 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-23 22:00:18,488 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:44, output treesize:25 [2019-11-23 22:00:18,549 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:18,549 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 68 [2019-11-23 22:00:18,550 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:18,589 INFO L567 ElimStorePlain]: treesize reduction 40, result has 44.4 percent of original size [2019-11-23 22:00:18,589 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-23 22:00:18,589 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:36, output treesize:32 [2019-11-23 22:00:18,693 INFO L343 Elim1Store]: treesize reduction 20, result has 64.3 percent of original size [2019-11-23 22:00:18,694 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 59 [2019-11-23 22:00:18,694 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:18,707 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:18,708 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:18,709 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-11-23 22:00:18,709 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:47, output treesize:40 [2019-11-23 22:00:18,709 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:18,758 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:18,758 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 68 [2019-11-23 22:00:18,759 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:18,795 INFO L567 ElimStorePlain]: treesize reduction 40, result has 44.4 percent of original size [2019-11-23 22:00:18,795 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-23 22:00:18,796 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:36, output treesize:32 [2019-11-23 22:00:18,842 INFO L343 Elim1Store]: treesize reduction 20, result has 64.3 percent of original size [2019-11-23 22:00:18,842 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 59 [2019-11-23 22:00:18,843 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:18,859 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:18,860 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:18,860 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-11-23 22:00:18,861 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:47, output treesize:40 [2019-11-23 22:00:18,861 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:18,908 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:18,908 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 68 [2019-11-23 22:00:18,909 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:18,949 INFO L567 ElimStorePlain]: treesize reduction 28, result has 59.4 percent of original size [2019-11-23 22:00:18,950 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:18,950 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:18,951 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:18,951 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-11-23 22:00:18,952 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:33, output treesize:41 [2019-11-23 22:00:18,952 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:18,952 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:18,952 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:18,979 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:18,980 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:18,981 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:19,023 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:19,024 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:19,024 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:19,122 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:19,174 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2019-11-23 22:00:19,174 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:19,178 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:19,178 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 22:00:19,178 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:26, output treesize:3 [2019-11-23 22:00:19,186 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-23 22:00:19,186 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-23 22:00:19,186 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 25 [2019-11-23 22:00:19,187 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590094513] [2019-11-23 22:00:19,187 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2019-11-23 22:00:19,187 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 22:00:19,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2019-11-23 22:00:19,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=501, Unknown=0, NotChecked=0, Total=600 [2019-11-23 22:00:19,187 INFO L87 Difference]: Start difference. First operand 97 states and 105 transitions. Second operand 25 states. [2019-11-23 22:00:19,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 22:00:19,677 INFO L93 Difference]: Finished difference Result 113 states and 121 transitions. [2019-11-23 22:00:19,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-11-23 22:00:19,677 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 37 [2019-11-23 22:00:19,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 22:00:19,678 INFO L225 Difference]: With dead ends: 113 [2019-11-23 22:00:19,679 INFO L226 Difference]: Without dead ends: 109 [2019-11-23 22:00:19,679 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 23 SyntacticMatches, 10 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 369 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=188, Invalid=804, Unknown=0, NotChecked=0, Total=992 [2019-11-23 22:00:19,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2019-11-23 22:00:19,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 95. [2019-11-23 22:00:19,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-11-23 22:00:19,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 102 transitions. [2019-11-23 22:00:19,689 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 102 transitions. Word has length 37 [2019-11-23 22:00:19,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 22:00:19,689 INFO L462 AbstractCegarLoop]: Abstraction has 95 states and 102 transitions. [2019-11-23 22:00:19,689 INFO L463 AbstractCegarLoop]: Interpolant automaton has 25 states. [2019-11-23 22:00:19,689 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 102 transitions. [2019-11-23 22:00:19,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-23 22:00:19,690 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 22:00:19,690 INFO L410 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 22:00:19,893 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 22:00:19,894 INFO L410 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 22:00:19,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 22:00:19,894 INFO L82 PathProgramCache]: Analyzing trace with hash 1820775334, now seen corresponding path program 9 times [2019-11-23 22:00:19,894 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 22:00:19,895 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939272179] [2019-11-23 22:00:19,895 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 22:00:19,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 22:00:20,608 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 10 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 22:00:20,608 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939272179] [2019-11-23 22:00:20,608 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1686346649] [2019-11-23 22:00:20,608 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 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 22:00:20,702 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2019-11-23 22:00:20,702 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-23 22:00:20,704 WARN L253 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 89 conjunts are in the unsatisfiable core [2019-11-23 22:00:20,705 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 22:00:20,708 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 22:00:20,708 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:20,713 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:20,713 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 22:00:20,713 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-23 22:00:20,732 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:20,733 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 17 treesize of output 39 [2019-11-23 22:00:20,733 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:20,764 INFO L567 ElimStorePlain]: treesize reduction 14, result has 65.9 percent of original size [2019-11-23 22:00:20,764 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 22:00:20,765 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:27 [2019-11-23 22:00:20,770 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 11 treesize of output 7 [2019-11-23 22:00:20,770 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:20,786 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:20,791 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 11 treesize of output 7 [2019-11-23 22:00:20,791 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:20,807 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:20,807 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 22:00:20,807 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:54, output treesize:47 [2019-11-23 22:00:20,818 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 23 treesize of output 11 [2019-11-23 22:00:20,819 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:20,837 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:20,840 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 23 treesize of output 11 [2019-11-23 22:00:20,841 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:20,854 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:20,855 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 22:00:20,855 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:65, output treesize:35 [2019-11-23 22:00:20,867 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:20,868 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 16 treesize of output 26 [2019-11-23 22:00:20,868 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:20,882 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:20,882 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 22:00:20,883 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:36 [2019-11-23 22:00:20,926 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 27 treesize of output 22 [2019-11-23 22:00:20,927 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:20,948 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:20,962 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:20,962 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 63 [2019-11-23 22:00:20,963 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:20,963 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:20,999 INFO L567 ElimStorePlain]: treesize reduction 24, result has 73.6 percent of original size [2019-11-23 22:00:21,000 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 22:00:21,000 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:91, output treesize:72 [2019-11-23 22:00:21,048 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 22:00:21,049 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 22:00:21,050 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 22:00:21,050 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 45 treesize of output 28 [2019-11-23 22:00:21,051 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:21,068 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:21,074 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:21,075 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 44 [2019-11-23 22:00:21,075 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:21,102 INFO L567 ElimStorePlain]: treesize reduction 24, result has 72.7 percent of original size [2019-11-23 22:00:21,102 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 22:00:21,102 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:102, output treesize:64 [2019-11-23 22:00:21,214 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:21,215 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 164 treesize of output 151 [2019-11-23 22:00:21,216 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,217 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:21,218 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:21,218 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,219 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:21,344 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2019-11-23 22:00:21,345 INFO L567 ElimStorePlain]: treesize reduction 1446, result has 10.1 percent of original size [2019-11-23 22:00:21,349 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 22:00:21,350 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 0 case distinctions, treesize of input 131 treesize of output 96 [2019-11-23 22:00:21,351 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:21,375 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:21,376 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 22:00:21,376 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:174, output treesize:95 [2019-11-23 22:00:21,431 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_75|], 9=[|v_#memory_$Pointer$.base_79|, |v_#memory_$Pointer$.offset_80|]} [2019-11-23 22:00:21,444 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 47 treesize of output 31 [2019-11-23 22:00:21,444 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:21,470 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:21,541 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:21,542 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 236 treesize of output 229 [2019-11-23 22:00:21,544 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,545 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,545 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,546 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:21,546 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,547 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,547 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,548 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,548 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,549 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:21,549 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:21,550 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:21,550 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,550 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,551 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:21,551 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:21,552 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:21,552 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,552 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,553 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:21,553 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:21,553 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:21,554 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:21,555 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,555 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:21,556 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,556 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,557 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,557 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,558 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,559 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,560 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,560 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,561 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,561 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,562 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,563 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:21,564 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,564 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,565 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,565 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,566 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,567 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,568 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,568 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,569 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,569 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,570 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:21,570 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,571 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,571 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,572 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,572 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,573 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,573 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,574 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,574 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,575 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,575 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:21,576 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,576 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,576 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,577 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,577 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,578 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,579 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,579 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,580 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,580 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,582 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:21,582 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,583 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,583 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,584 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,585 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,586 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,586 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,586 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,587 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,587 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,589 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,589 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,590 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:21,590 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:21,591 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:21,592 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:21,592 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,593 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,594 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,594 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,595 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,596 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,597 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,597 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,598 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,598 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,600 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:21,601 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,601 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,602 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,602 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,603 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,605 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,605 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,605 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,606 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,606 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,607 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,608 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,608 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:21,609 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:21,610 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:21,611 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:21,611 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,612 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,612 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,613 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,613 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,614 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,614 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,615 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,615 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,616 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:21,617 INFO L496 ElimStorePlain]: Start of recursive call 3: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 3 xjuncts. [2019-11-23 22:00:21,874 WARN L192 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 42 [2019-11-23 22:00:21,875 INFO L567 ElimStorePlain]: treesize reduction 2503, result has 6.4 percent of original size [2019-11-23 22:00:21,878 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 22:00:21,943 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:21,944 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 140 treesize of output 328 [2019-11-23 22:00:21,945 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:21,961 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:21,962 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 22:00:21,962 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:262, output treesize:84 [2019-11-23 22:00:22,283 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-23 22:00:22,380 INFO L343 Elim1Store]: treesize reduction 16, result has 83.7 percent of original size [2019-11-23 22:00:22,380 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 198 treesize of output 185 [2019-11-23 22:00:22,382 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,383 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,383 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:22,384 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,384 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,384 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,384 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,385 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:22,385 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:22,386 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,386 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,386 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,387 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,387 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,388 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:22,388 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:22,388 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,389 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:22,389 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,389 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,390 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,390 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:22,391 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,391 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,392 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,392 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,393 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,393 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:22,394 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:22,394 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,395 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,396 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,396 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:22,397 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,397 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,398 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,399 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:22,399 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,400 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,401 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,401 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:22,402 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,402 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,403 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:22,403 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:22,405 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:22,406 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:22,407 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,407 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,408 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,408 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,409 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:22,409 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:22,411 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:22,412 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:22,413 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:22,414 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,414 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,415 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,416 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:22,416 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,417 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,418 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,419 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,419 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,420 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,421 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,421 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,422 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,423 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,424 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,425 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,426 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,426 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:22,427 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,427 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,428 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,428 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,429 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:22,430 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:22,430 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,430 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,431 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,431 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,432 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,433 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:22,433 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:22,434 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,434 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:22,435 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,436 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,436 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,437 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:22,438 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,438 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,439 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,440 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,440 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,441 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:22,441 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:22,442 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,442 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,444 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,445 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:22,445 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,446 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,447 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,448 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:22,448 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,449 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,450 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,450 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:22,451 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,451 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,452 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:22,452 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:22,454 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:22,455 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:22,456 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,456 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,457 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,457 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,458 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:22,459 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:22,460 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:22,462 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:22,463 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:22,463 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,464 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,465 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,466 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:22,466 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,467 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,467 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,469 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,470 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,471 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,472 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,473 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,475 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,476 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,476 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:22,477 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 22:00:22,575 INFO L567 ElimStorePlain]: treesize reduction 115, result has 46.0 percent of original size [2019-11-23 22:00:22,590 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:22,591 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 2 case distinctions, treesize of input 69 treesize of output 53 [2019-11-23 22:00:22,591 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:22,610 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:22,611 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-11-23 22:00:22,611 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:212, output treesize:44 [2019-11-23 22:00:22,683 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:22,683 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 36 treesize of output 40 [2019-11-23 22:00:22,684 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:22,695 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:22,695 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 22:00:22,695 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:48, output treesize:3 [2019-11-23 22:00:22,743 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 22:00:22,743 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-23 22:00:22,743 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 18] total 29 [2019-11-23 22:00:22,744 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012140966] [2019-11-23 22:00:22,744 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2019-11-23 22:00:22,744 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 22:00:22,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2019-11-23 22:00:22,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=728, Unknown=0, NotChecked=0, Total=812 [2019-11-23 22:00:22,745 INFO L87 Difference]: Start difference. First operand 95 states and 102 transitions. Second operand 29 states. [2019-11-23 22:00:24,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 22:00:24,168 INFO L93 Difference]: Finished difference Result 111 states and 118 transitions. [2019-11-23 22:00:24,168 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-11-23 22:00:24,168 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 39 [2019-11-23 22:00:24,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 22:00:24,169 INFO L225 Difference]: With dead ends: 111 [2019-11-23 22:00:24,170 INFO L226 Difference]: Without dead ends: 95 [2019-11-23 22:00:24,171 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 27 SyntacticMatches, 3 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 374 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=176, Invalid=1546, Unknown=0, NotChecked=0, Total=1722 [2019-11-23 22:00:24,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2019-11-23 22:00:24,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 87. [2019-11-23 22:00:24,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2019-11-23 22:00:24,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 93 transitions. [2019-11-23 22:00:24,179 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 93 transitions. Word has length 39 [2019-11-23 22:00:24,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 22:00:24,179 INFO L462 AbstractCegarLoop]: Abstraction has 87 states and 93 transitions. [2019-11-23 22:00:24,179 INFO L463 AbstractCegarLoop]: Interpolant automaton has 29 states. [2019-11-23 22:00:24,179 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 93 transitions. [2019-11-23 22:00:24,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-23 22:00:24,180 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 22:00:24,180 INFO L410 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 22:00:24,384 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 22:00:24,385 INFO L410 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 22:00:24,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 22:00:24,385 INFO L82 PathProgramCache]: Analyzing trace with hash 146288042, now seen corresponding path program 10 times [2019-11-23 22:00:24,386 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 22:00:24,386 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857070739] [2019-11-23 22:00:24,386 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 22:00:24,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 22:00:24,832 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 22:00:24,833 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857070739] [2019-11-23 22:00:24,833 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1899242908] [2019-11-23 22:00:24,833 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 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 22:00:24,962 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-11-23 22:00:24,962 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-23 22:00:24,964 WARN L253 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 85 conjunts are in the unsatisfiable core [2019-11-23 22:00:24,965 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 22:00:24,971 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 22:00:24,971 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:24,974 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:24,975 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 22:00:24,975 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-23 22:00:24,993 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:24,994 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 17 treesize of output 39 [2019-11-23 22:00:24,994 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:25,024 INFO L567 ElimStorePlain]: treesize reduction 14, result has 65.9 percent of original size [2019-11-23 22:00:25,024 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 22:00:25,025 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:27 [2019-11-23 22:00:25,031 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 11 treesize of output 7 [2019-11-23 22:00:25,031 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:25,047 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:25,052 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 11 treesize of output 7 [2019-11-23 22:00:25,052 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:25,068 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:25,068 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 22:00:25,069 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:54, output treesize:47 [2019-11-23 22:00:25,076 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_76|], 2=[|v_#memory_$Pointer$.offset_82|, |v_#memory_$Pointer$.base_81|]} [2019-11-23 22:00:25,081 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 11 treesize of output 7 [2019-11-23 22:00:25,081 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:25,107 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:25,111 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 30 treesize of output 14 [2019-11-23 22:00:25,111 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:25,132 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:25,135 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 23 treesize of output 11 [2019-11-23 22:00:25,135 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:25,151 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:25,152 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 22:00:25,152 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:80, output treesize:46 [2019-11-23 22:00:25,164 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:25,164 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 16 treesize of output 26 [2019-11-23 22:00:25,165 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:25,181 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:25,181 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 22:00:25,181 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:51, output treesize:44 [2019-11-23 22:00:25,221 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-23 22:00:25,232 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:25,233 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 138 treesize of output 116 [2019-11-23 22:00:25,233 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:25,234 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:25,286 INFO L567 ElimStorePlain]: treesize reduction 24, result has 85.0 percent of original size [2019-11-23 22:00:25,289 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 22:00:25,289 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 55 treesize of output 19 [2019-11-23 22:00:25,290 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:25,310 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:25,330 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:25,331 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 82 treesize of output 96 [2019-11-23 22:00:25,331 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:25,368 INFO L567 ElimStorePlain]: treesize reduction 24, result has 73.6 percent of original size [2019-11-23 22:00:25,368 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 22:00:25,368 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:152, output treesize:61 [2019-11-23 22:00:25,402 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_78|, |v_#memory_$Pointer$.offset_84|], 5=[|v_#memory_$Pointer$.base_83|]} [2019-11-23 22:00:25,406 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 22:00:25,406 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 23 treesize of output 22 [2019-11-23 22:00:25,407 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:25,431 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:25,435 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 22:00:25,435 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 23 treesize of output 11 [2019-11-23 22:00:25,436 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:25,456 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:25,507 INFO L343 Elim1Store]: treesize reduction 40, result has 49.4 percent of original size [2019-11-23 22:00:25,507 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 66 treesize of output 60 [2019-11-23 22:00:25,508 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:25,508 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:25,509 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:25,510 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:25,510 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:25,510 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:25,511 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 22:00:25,550 INFO L567 ElimStorePlain]: treesize reduction 24, result has 66.2 percent of original size [2019-11-23 22:00:25,550 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 22:00:25,551 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:102, output treesize:52 [2019-11-23 22:00:25,634 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.offset_85|], 5=[|v_#memory_$Pointer$.base_84|], 6=[|v_#memory_int_79|]} [2019-11-23 22:00:25,641 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 37 treesize of output 28 [2019-11-23 22:00:25,642 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:25,671 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:25,708 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:25,709 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 161 treesize of output 153 [2019-11-23 22:00:25,710 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:25,710 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:25,711 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:25,711 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:25,712 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:25,712 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:25,713 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:25,713 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:25,714 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:25,714 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:25,715 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 5 xjuncts. [2019-11-23 22:00:25,822 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 45 [2019-11-23 22:00:25,823 INFO L567 ElimStorePlain]: treesize reduction 822, result has 16.2 percent of original size [2019-11-23 22:00:25,827 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 22:00:25,828 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 70 treesize of output 33 [2019-11-23 22:00:25,829 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:25,850 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:25,850 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-23 22:00:25,851 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:183, output treesize:99 [2019-11-23 22:00:25,899 INFO L392 ElimStorePlain]: Different costs {5=[|v_#memory_$Pointer$.base_85|], 6=[|v_#memory_int_80|, |v_#memory_$Pointer$.offset_86|]} [2019-11-23 22:00:25,951 INFO L343 Elim1Store]: treesize reduction 40, result has 49.4 percent of original size [2019-11-23 22:00:25,951 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 104 treesize of output 82 [2019-11-23 22:00:25,952 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:25,952 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:25,953 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:25,954 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:25,954 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:25,954 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:25,955 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:25,955 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:25,956 INFO L496 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-23 22:00:26,021 INFO L567 ElimStorePlain]: treesize reduction 24, result has 79.1 percent of original size [2019-11-23 22:00:26,029 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-23 22:00:26,058 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:26,058 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 2 case distinctions, treesize of input 26 treesize of output 68 [2019-11-23 22:00:26,059 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:26,144 INFO L567 ElimStorePlain]: treesize reduction 40, result has 68.5 percent of original size [2019-11-23 22:00:26,195 INFO L343 Elim1Store]: treesize reduction 44, result has 44.3 percent of original size [2019-11-23 22:00:26,196 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 2 case distinctions, treesize of input 41 treesize of output 44 [2019-11-23 22:00:26,196 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:26,258 INFO L567 ElimStorePlain]: treesize reduction 8, result has 90.5 percent of original size [2019-11-23 22:00:26,259 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:26,259 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-23 22:00:26,260 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:140, output treesize:110 [2019-11-23 22:00:26,260 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:26,317 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:26,432 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:26,436 INFO L392 ElimStorePlain]: Different costs {1=[v_prenex_19, v_prenex_21], 3=[|v_#memory_$Pointer$.base_86|, v_prenex_18], 5=[|v_#memory_$Pointer$.offset_87|], 7=[|v_#memory_int_81|]} [2019-11-23 22:00:26,452 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 203 treesize of output 173 [2019-11-23 22:00:26,453 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:26,559 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-11-23 22:00:26,559 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:26,574 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 164 treesize of output 155 [2019-11-23 22:00:26,575 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:26,665 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:26,702 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:26,703 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 140 treesize of output 153 [2019-11-23 22:00:26,703 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:26,704 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:26,705 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:26,705 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:26,706 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:26,707 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:26,707 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:26,708 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:26,708 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:26,708 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:26,709 INFO L496 ElimStorePlain]: Start of recursive call 4: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-23 22:00:26,927 WARN L192 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 102 [2019-11-23 22:00:26,928 INFO L567 ElimStorePlain]: treesize reduction 28, result has 90.8 percent of original size [2019-11-23 22:00:26,959 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:26,959 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 152 treesize of output 128 [2019-11-23 22:00:26,960 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:26,961 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:26,961 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:26,961 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:26,962 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:26,962 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:26,963 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:26,963 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:26,963 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:26,964 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:26,964 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:26,965 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:26,965 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:27,191 WARN L192 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 97 [2019-11-23 22:00:27,192 INFO L567 ElimStorePlain]: treesize reduction 460, result has 36.4 percent of original size [2019-11-23 22:00:27,240 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:27,241 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 2 case distinctions, treesize of input 122 treesize of output 170 [2019-11-23 22:00:27,241 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:27,429 WARN L192 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 89 [2019-11-23 22:00:27,430 INFO L567 ElimStorePlain]: treesize reduction 46, result has 84.9 percent of original size [2019-11-23 22:00:27,487 INFO L343 Elim1Store]: treesize reduction 20, result has 64.3 percent of original size [2019-11-23 22:00:27,488 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 118 treesize of output 140 [2019-11-23 22:00:27,489 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:27,659 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2019-11-23 22:00:27,659 INFO L567 ElimStorePlain]: treesize reduction 12, result has 95.5 percent of original size [2019-11-23 22:00:27,660 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:27,661 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:27,662 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:27,662 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:27,663 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:27,664 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:27,664 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:27,665 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 6 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2019-11-23 22:00:27,665 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 10 variables, input treesize:344, output treesize:230 [2019-11-23 22:00:27,666 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:27,666 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:27,666 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:27,666 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:27,667 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:27,667 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:27,668 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:27,769 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:27,769 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:27,770 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:27,771 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:27,772 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:27,772 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:27,773 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:27,867 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:27,868 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:27,868 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:27,869 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:27,870 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:27,870 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:27,870 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:27,966 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:27,966 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:27,967 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:27,968 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:27,968 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:27,969 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:27,976 INFO L392 ElimStorePlain]: Different costs {50=[|v_#memory_$Pointer$.base_87|], 106=[|v_#memory_$Pointer$.offset_88|], 110=[|v_#memory_int_82|]} [2019-11-23 22:00:28,050 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:28,051 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 214 treesize of output 205 [2019-11-23 22:00:28,052 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,053 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:28,053 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,053 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,054 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,054 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,054 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,055 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:28,055 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,056 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,056 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,056 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:28,057 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,057 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,057 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,058 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,058 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:28,059 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,059 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,059 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,060 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,060 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 22:00:28,209 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:28,210 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 197 treesize of output 168 [2019-11-23 22:00:28,211 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:28,291 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 127 [2019-11-23 22:00:28,292 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:28,375 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:28,376 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 300 treesize of output 261 [2019-11-23 22:00:28,378 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,378 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,379 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:28,379 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,380 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,380 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:28,380 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:28,381 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,381 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,381 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,382 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,382 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,383 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,383 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:28,384 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,384 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,385 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,385 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,385 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,386 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,386 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:28,387 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,387 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,388 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,388 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,389 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,389 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,390 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,390 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,391 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:28,391 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:28,391 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,392 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,392 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,393 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,393 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,394 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,394 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:28,395 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,395 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,395 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,396 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,396 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,397 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,397 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:28,398 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,398 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,399 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,399 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,399 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,400 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,401 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:28,401 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,401 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,402 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,402 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,403 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,403 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,403 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,404 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,404 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:28,405 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,405 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,405 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,406 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,406 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,406 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,407 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,407 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,408 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,408 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,409 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:28,409 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:28,409 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,410 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,410 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,410 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,411 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,411 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,411 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:28,412 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,412 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,413 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,413 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,413 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,414 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,414 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:28,414 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,415 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,415 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,415 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,416 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,416 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,417 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:28,417 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,417 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,418 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,418 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,419 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,419 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,419 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,420 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,420 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:28,421 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,421 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,421 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,421 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,422 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,422 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,423 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,423 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,424 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:28,424 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,424 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,425 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,425 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,425 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,426 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,426 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,426 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,427 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:28,427 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,427 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,428 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,428 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,429 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,429 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,429 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,429 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,430 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:28,431 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,431 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:28,431 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,432 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,432 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,432 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,433 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:28,433 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,433 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,434 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,434 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,435 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,435 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:28,435 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,436 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,436 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,436 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,437 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:28,437 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,437 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,438 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,438 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,439 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:28,439 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,439 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,440 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,440 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,440 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:28,440 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,441 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,441 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,441 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,442 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:28,442 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,442 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,443 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,443 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,444 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:28,444 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,444 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,444 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,445 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,445 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:28,445 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,446 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,446 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,446 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,447 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,448 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,448 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,448 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,459 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:28,459 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,460 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,460 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,460 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,461 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,461 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,462 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,462 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,463 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:28,463 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,463 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,463 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,464 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,464 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:28,464 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,465 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,465 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,465 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,466 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:28,466 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,466 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,466 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,467 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,467 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,467 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,468 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,468 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,469 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:28,469 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,469 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,469 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,470 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,470 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,470 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,471 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,471 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,475 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:28,475 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,475 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,476 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,476 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,476 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:28,477 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,477 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,477 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,477 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,478 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,478 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,478 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,479 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,479 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:28,480 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,480 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,480 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,480 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,481 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,481 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,481 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,482 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,482 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,483 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:28,483 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-23 22:00:28,488 INFO L496 ElimStorePlain]: Start of recursive call 5: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2019-11-23 22:00:53,615 WARN L192 SmtUtils]: Spent 25.13 s on a formula simplification. DAG size of input: 528 DAG size of output: 134 [2019-11-23 22:00:53,615 INFO L567 ElimStorePlain]: treesize reduction 15041, result has 4.2 percent of original size [2019-11-23 22:00:53,756 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:53,756 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 154 treesize of output 326 [2019-11-23 22:00:53,758 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:53,861 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:53,862 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 159 treesize of output 309 [2019-11-23 22:00:53,863 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:53,929 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:53,930 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 2 case distinctions, treesize of input 127 treesize of output 214 [2019-11-23 22:00:53,931 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:54,003 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:54,003 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 217 treesize of output 417 [2019-11-23 22:00:54,004 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:54,541 WARN L192 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 117 [2019-11-23 22:00:54,542 INFO L567 ElimStorePlain]: treesize reduction 128, result has 79.2 percent of original size [2019-11-23 22:00:54,594 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:54,594 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 2 case distinctions, treesize of input 130 treesize of output 236 [2019-11-23 22:00:54,595 INFO L496 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:54,651 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:54,651 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 2 case distinctions, treesize of input 114 treesize of output 192 [2019-11-23 22:00:54,651 INFO L496 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:54,745 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:54,745 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 137 treesize of output 286 [2019-11-23 22:00:54,746 INFO L496 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:54,811 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:54,812 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 106 treesize of output 199 [2019-11-23 22:00:54,813 INFO L496 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:55,273 WARN L192 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 129 [2019-11-23 22:00:55,273 INFO L567 ElimStorePlain]: treesize reduction 260, result has 69.5 percent of original size [2019-11-23 22:00:55,274 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,274 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,275 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,276 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,276 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,276 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,277 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,277 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,278 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,278 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,279 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,279 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,279 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,280 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,280 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,281 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,281 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,282 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,282 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 3 dim-2 vars, End of recursive call: 6 dim-0 vars, and 4 xjuncts. [2019-11-23 22:00:55,283 INFO L221 ElimStorePlain]: Needed 13 recursive calls to eliminate 7 variables, input treesize:874, output treesize:592 [2019-11-23 22:00:55,283 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,283 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,283 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,284 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,284 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,284 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,285 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,285 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,285 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,286 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,286 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,286 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,286 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,287 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,287 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,287 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,288 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,288 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,578 WARN L192 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 127 [2019-11-23 22:00:55,581 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,581 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,582 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,582 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,583 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,584 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,584 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,585 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,585 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,586 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,586 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,586 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,587 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,587 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,587 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,588 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,588 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,588 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,805 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,806 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,806 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,806 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,807 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,807 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,807 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,808 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,808 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,808 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,809 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,809 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,809 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,810 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,810 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,811 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,811 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:55,812 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 22:00:57,037 WARN L192 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 137 [2019-11-23 22:00:57,040 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 12 terms [2019-11-23 22:00:57,061 INFO L392 ElimStorePlain]: Different costs {0=[v_prenex_71], 1=[v_prenex_32, v_prenex_69, v_prenex_36, v_prenex_46, v_prenex_35, v_prenex_66, v_prenex_55, v_prenex_28, v_prenex_59], 2=[v_prenex_62, v_prenex_49], 3=[|#memory_$Pointer$.base|, v_prenex_31, v_prenex_51, |#memory_$Pointer$.offset|, v_prenex_44, v_prenex_39, v_prenex_27], 5=[v_prenex_54, v_prenex_40, v_prenex_57, v_prenex_45, v_prenex_67]} [2019-11-23 22:00:57,080 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 89 treesize of output 81 [2019-11-23 22:00:57,080 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:57,873 WARN L192 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 399 [2019-11-23 22:00:57,874 INFO L567 ElimStorePlain]: treesize reduction 162, result has 86.8 percent of original size [2019-11-23 22:00:57,892 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 22:00:57,893 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 68 [2019-11-23 22:00:57,893 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:58,256 WARN L192 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-11-23 22:00:58,256 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:58,272 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 42 [2019-11-23 22:00:58,273 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-23 22:00:58,651 WARN L192 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2019-11-23 22:00:58,652 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 22:00:58,671 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 22:00:58,672 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 73 treesize of output 57 [2019-11-23 22:00:58,673 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts.