/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/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/systemc/toy.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 06:05:32,749 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 06:05:32,752 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 06:05:32,770 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 06:05:32,770 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 06:05:32,772 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 06:05:32,774 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 06:05:32,786 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 06:05:32,788 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 06:05:32,790 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 06:05:32,792 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 06:05:32,794 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 06:05:32,794 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 06:05:32,795 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 06:05:32,798 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 06:05:32,801 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 06:05:32,803 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 06:05:32,803 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 06:05:32,806 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 06:05:32,811 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 06:05:32,815 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 06:05:32,817 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 06:05:32,818 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 06:05:32,819 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 06:05:32,822 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 06:05:32,833 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 06:05:32,836 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 06:05:32,838 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 06:05:32,839 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 06:05:32,860 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 06:05:32,861 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 06:05:32,862 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 06:05:32,862 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 06:05:32,863 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 06:05:32,863 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 06:05:32,863 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 06:05:32,863 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 06:05:32,863 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 06:05:32,864 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 06:05:32,865 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 06:05:32,865 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 06:05:32,865 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 06:05:32,866 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 06:05:32,866 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 06:05:32,867 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 06:05:32,867 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 06:05:32,868 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 06:05:32,868 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 06:05:32,868 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 06:05:32,868 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 06:05:32,868 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 06:05:32,869 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 06:05:32,869 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 06:05:32,869 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 06:05:32,869 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 06:05:32,869 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 06:05:32,870 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 06:05:32,871 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 06:05:32,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 06:05:32,871 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 06:05:32,871 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 06:05:32,872 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 06:05:32,872 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 06:05:32,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 06:05:32,873 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 06:05:32,873 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 06:05:32,873 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 06:05:33,146 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 06:05:33,159 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 06:05:33,163 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 06:05:33,164 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 06:05:33,165 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 06:05:33,165 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/toy.cil.c [2019-11-24 06:05:33,228 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca69aec31/24cd5c38d2574613a4eeddd0f3cacd24/FLAG6467fcd91 [2019-11-24 06:05:33,710 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 06:05:33,711 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/toy.cil.c [2019-11-24 06:05:33,732 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca69aec31/24cd5c38d2574613a4eeddd0f3cacd24/FLAG6467fcd91 [2019-11-24 06:05:34,046 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca69aec31/24cd5c38d2574613a4eeddd0f3cacd24 [2019-11-24 06:05:34,055 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 06:05:34,057 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 06:05:34,058 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 06:05:34,058 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 06:05:34,062 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 06:05:34,063 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:05:34" (1/1) ... [2019-11-24 06:05:34,066 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bf95e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:34, skipping insertion in model container [2019-11-24 06:05:34,066 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:05:34" (1/1) ... [2019-11-24 06:05:34,074 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 06:05:34,122 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 06:05:34,367 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 06:05:34,373 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 06:05:34,515 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 06:05:34,530 INFO L208 MainTranslator]: Completed translation [2019-11-24 06:05:34,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:34 WrapperNode [2019-11-24 06:05:34,531 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 06:05:34,532 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 06:05:34,532 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 06:05:34,532 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 06:05:34,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:34" (1/1) ... [2019-11-24 06:05:34,549 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:34" (1/1) ... [2019-11-24 06:05:34,581 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 06:05:34,582 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 06:05:34,582 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 06:05:34,582 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 06:05:34,593 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:34" (1/1) ... [2019-11-24 06:05:34,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:34" (1/1) ... [2019-11-24 06:05:34,597 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:34" (1/1) ... [2019-11-24 06:05:34,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:34" (1/1) ... [2019-11-24 06:05:34,603 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:34" (1/1) ... [2019-11-24 06:05:34,614 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:34" (1/1) ... [2019-11-24 06:05:34,616 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:34" (1/1) ... [2019-11-24 06:05:34,621 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 06:05:34,621 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 06:05:34,622 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 06:05:34,622 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 06:05:34,623 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:34" (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 [2019-11-24 06:05:34,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 06:05:34,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 06:05:36,267 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 06:05:36,267 INFO L284 CfgBuilder]: Removed 26 assume(true) statements. [2019-11-24 06:05:36,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:05:36 BoogieIcfgContainer [2019-11-24 06:05:36,269 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 06:05:36,270 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 06:05:36,270 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 06:05:36,273 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 06:05:36,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 06:05:34" (1/3) ... [2019-11-24 06:05:36,274 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a720269 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 06:05:36, skipping insertion in model container [2019-11-24 06:05:36,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:34" (2/3) ... [2019-11-24 06:05:36,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a720269 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 06:05:36, skipping insertion in model container [2019-11-24 06:05:36,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:05:36" (3/3) ... [2019-11-24 06:05:36,277 INFO L109 eAbstractionObserver]: Analyzing ICFG toy.cil.c [2019-11-24 06:05:36,287 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 06:05:36,294 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-24 06:05:36,305 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-24 06:05:36,332 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 06:05:36,332 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 06:05:36,332 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 06:05:36,332 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 06:05:36,333 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 06:05:36,333 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 06:05:36,333 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 06:05:36,333 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 06:05:36,349 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2019-11-24 06:05:36,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-24 06:05:36,357 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 06:05:36,358 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 06:05:36,358 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 06:05:36,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 06:05:36,365 INFO L82 PathProgramCache]: Analyzing trace with hash 2111515577, now seen corresponding path program 1 times [2019-11-24 06:05:36,376 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 06:05:36,376 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941270402] [2019-11-24 06:05:36,377 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 06:05:36,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 06:05:36,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 06:05:36,580 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941270402] [2019-11-24 06:05:36,581 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 06:05:36,582 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 06:05:36,584 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763175371] [2019-11-24 06:05:36,589 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 06:05:36,590 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 06:05:36,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 06:05:36,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 06:05:36,610 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 3 states. [2019-11-24 06:05:36,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 06:05:36,701 INFO L93 Difference]: Finished difference Result 109 states and 177 transitions. [2019-11-24 06:05:36,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 06:05:36,704 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2019-11-24 06:05:36,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 06:05:36,717 INFO L225 Difference]: With dead ends: 109 [2019-11-24 06:05:36,718 INFO L226 Difference]: Without dead ends: 65 [2019-11-24 06:05:36,721 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 06:05:36,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2019-11-24 06:05:36,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 64. [2019-11-24 06:05:36,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-11-24 06:05:36,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 98 transitions. [2019-11-24 06:05:36,767 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 98 transitions. Word has length 14 [2019-11-24 06:05:36,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 06:05:36,768 INFO L462 AbstractCegarLoop]: Abstraction has 64 states and 98 transitions. [2019-11-24 06:05:36,768 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 06:05:36,768 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 98 transitions. [2019-11-24 06:05:36,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-24 06:05:36,770 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 06:05:36,770 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 06:05:36,770 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 06:05:36,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 06:05:36,771 INFO L82 PathProgramCache]: Analyzing trace with hash -747101454, now seen corresponding path program 1 times [2019-11-24 06:05:36,771 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 06:05:36,771 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646584334] [2019-11-24 06:05:36,772 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 06:05:36,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 06:05:36,897 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 06:05:36,901 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646584334] [2019-11-24 06:05:36,901 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 06:05:36,902 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 06:05:36,902 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564071812] [2019-11-24 06:05:36,904 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 06:05:36,904 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 06:05:36,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 06:05:36,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 06:05:36,905 INFO L87 Difference]: Start difference. First operand 64 states and 98 transitions. Second operand 3 states. [2019-11-24 06:05:36,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 06:05:36,979 INFO L93 Difference]: Finished difference Result 116 states and 183 transitions. [2019-11-24 06:05:36,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 06:05:36,980 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-11-24 06:05:36,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 06:05:36,983 INFO L225 Difference]: With dead ends: 116 [2019-11-24 06:05:36,984 INFO L226 Difference]: Without dead ends: 81 [2019-11-24 06:05:36,990 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 [2019-11-24 06:05:36,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2019-11-24 06:05:37,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 74. [2019-11-24 06:05:37,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2019-11-24 06:05:37,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 114 transitions. [2019-11-24 06:05:37,006 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 114 transitions. Word has length 22 [2019-11-24 06:05:37,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 06:05:37,007 INFO L462 AbstractCegarLoop]: Abstraction has 74 states and 114 transitions. [2019-11-24 06:05:37,007 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 06:05:37,007 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 114 transitions. [2019-11-24 06:05:37,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-24 06:05:37,010 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 06:05:37,011 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 06:05:37,011 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 06:05:37,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 06:05:37,012 INFO L82 PathProgramCache]: Analyzing trace with hash 1352389886, now seen corresponding path program 1 times [2019-11-24 06:05:37,012 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 06:05:37,013 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350525394] [2019-11-24 06:05:37,014 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 06:05:37,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 06:05:37,160 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 06:05:37,161 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350525394] [2019-11-24 06:05:37,162 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 06:05:37,162 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 06:05:37,162 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662873486] [2019-11-24 06:05:37,163 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-24 06:05:37,164 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 06:05:37,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-24 06:05:37,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-24 06:05:37,165 INFO L87 Difference]: Start difference. First operand 74 states and 114 transitions. Second operand 4 states. [2019-11-24 06:05:37,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 06:05:37,300 INFO L93 Difference]: Finished difference Result 207 states and 325 transitions. [2019-11-24 06:05:37,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-24 06:05:37,301 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2019-11-24 06:05:37,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 06:05:37,303 INFO L225 Difference]: With dead ends: 207 [2019-11-24 06:05:37,303 INFO L226 Difference]: Without dead ends: 137 [2019-11-24 06:05:37,304 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-24 06:05:37,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-11-24 06:05:37,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 111. [2019-11-24 06:05:37,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-11-24 06:05:37,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 171 transitions. [2019-11-24 06:05:37,320 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 171 transitions. Word has length 26 [2019-11-24 06:05:37,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 06:05:37,320 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 171 transitions. [2019-11-24 06:05:37,320 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-24 06:05:37,320 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 171 transitions. [2019-11-24 06:05:37,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-24 06:05:37,322 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 06:05:37,322 INFO L410 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 06:05:37,322 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 06:05:37,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 06:05:37,323 INFO L82 PathProgramCache]: Analyzing trace with hash -560731554, now seen corresponding path program 1 times [2019-11-24 06:05:37,323 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 06:05:37,324 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988063775] [2019-11-24 06:05:37,324 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 06:05:37,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 06:05:37,421 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-24 06:05:37,422 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988063775] [2019-11-24 06:05:37,422 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 06:05:37,422 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 06:05:37,423 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159445391] [2019-11-24 06:05:37,423 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 06:05:37,423 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 06:05:37,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 06:05:37,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 06:05:37,424 INFO L87 Difference]: Start difference. First operand 111 states and 171 transitions. Second operand 3 states. [2019-11-24 06:05:37,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 06:05:37,499 INFO L93 Difference]: Finished difference Result 241 states and 378 transitions. [2019-11-24 06:05:37,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 06:05:37,501 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-11-24 06:05:37,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 06:05:37,502 INFO L225 Difference]: With dead ends: 241 [2019-11-24 06:05:37,502 INFO L226 Difference]: Without dead ends: 171 [2019-11-24 06:05:37,503 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 [2019-11-24 06:05:37,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2019-11-24 06:05:37,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 169. [2019-11-24 06:05:37,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2019-11-24 06:05:37,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 257 transitions. [2019-11-24 06:05:37,539 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 257 transitions. Word has length 34 [2019-11-24 06:05:37,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 06:05:37,540 INFO L462 AbstractCegarLoop]: Abstraction has 169 states and 257 transitions. [2019-11-24 06:05:37,540 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 06:05:37,540 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 257 transitions. [2019-11-24 06:05:37,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-24 06:05:37,547 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 06:05:37,548 INFO L410 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 06:05:37,548 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 06:05:37,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 06:05:37,548 INFO L82 PathProgramCache]: Analyzing trace with hash -41905204, now seen corresponding path program 1 times [2019-11-24 06:05:37,549 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 06:05:37,549 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231069085] [2019-11-24 06:05:37,550 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 06:05:37,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 06:05:37,948 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 06:05:37,948 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231069085] [2019-11-24 06:05:37,949 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2002472779] [2019-11-24 06:05:37,949 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 [2019-11-24 06:05:38,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 06:05:38,052 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 41 conjunts are in the unsatisfiable core [2019-11-24 06:05:38,064 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-24 06:05:38,120 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:38,121 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:38,122 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:38,123 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:38,150 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:38,151 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:38,154 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:38,415 WARN L192 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2019-11-24 06:05:38,762 WARN L192 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 26 [2019-11-24 06:05:38,765 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 8 terms [2019-11-24 06:05:38,815 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-11-24 06:05:38,843 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:38,908 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 06:05:38,909 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-24 06:05:38,956 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:38,956 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:38,957 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:38,960 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,136 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 06:05:39,139 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,142 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,144 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,146 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,147 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,148 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,150 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,154 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,156 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,159 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,161 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,164 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,169 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,169 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,170 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,171 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,172 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,177 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,179 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,182 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,184 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,185 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,186 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,187 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,189 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,191 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,193 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,195 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,197 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,200 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,202 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,203 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,204 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,204 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,205 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,208 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,210 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,212 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,213 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,214 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,215 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,216 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,219 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,220 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,222 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,225 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,227 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,228 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,229 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,230 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,231 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,234 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,235 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,237 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,239 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,241 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,242 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,243 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,244 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,246 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,247 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,249 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,250 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,252 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,253 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,256 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,257 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,258 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,259 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,263 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,264 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,265 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,267 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,268 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,269 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,270 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,272 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,273 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,275 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,276 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,278 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,279 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,280 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,281 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,285 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,287 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,288 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,289 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,291 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,292 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,294 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,296 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,298 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,299 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,302 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,304 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,304 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,305 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,306 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,307 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,310 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,312 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,313 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,314 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,315 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,316 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,318 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,319 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,322 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,323 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,326 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,327 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,328 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,328 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,329 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,330 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,334 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,337 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,339 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,341 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,343 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,344 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,347 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,348 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,349 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,350 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,351 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,352 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,352 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,353 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,355 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,356 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,357 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,358 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,360 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,362 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,365 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,367 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,368 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,371 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,373 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,374 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,376 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,378 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,379 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,380 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,381 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,382 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,383 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,384 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,384 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,387 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,388 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,388 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,389 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,391 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,393 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,395 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,398 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,399 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,402 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,403 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,404 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,407 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,408 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,409 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,411 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,412 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,413 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,414 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,415 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,416 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,418 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,420 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,421 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,426 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,427 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,427 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,432 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,433 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,435 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,436 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,440 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,442 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,443 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,444 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,445 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,446 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,448 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,448 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,450 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,451 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,452 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,453 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,454 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,455 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,456 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,456 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,457 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,458 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,459 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,460 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,461 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,462 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,464 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,465 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,465 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,466 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,467 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,469 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,470 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,470 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,471 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,472 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,474 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,475 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,476 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,476 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,477 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,480 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,481 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,482 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,483 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,484 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,485 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,968 WARN L192 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 37 [2019-11-24 06:05:39,974 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-11-24 06:05:39,975 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,976 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,976 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,977 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,978 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 06:05:39,978 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,979 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,979 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,979 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,980 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,981 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,981 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,982 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,983 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,984 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,984 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,985 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:39,985 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 06:05:40,076 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 06:05:40,076 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1294928463] [2019-11-24 06:05:40,104 INFO L159 IcfgInterpreter]: Started Sifa with 33 locations of interest [2019-11-24 06:05:40,105 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 06:05:40,111 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 06:05:40,121 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 06:05:40,122 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 06:05:41,329 WARN L192 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2019-11-24 06:05:41,707 WARN L192 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2019-11-24 06:05:41,990 WARN L192 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2019-11-24 06:05:42,430 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 213 [2019-11-24 06:05:42,557 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 213 [2019-11-24 06:05:42,761 WARN L192 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2019-11-24 06:05:42,941 WARN L192 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2019-11-24 06:05:43,115 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2019-11-24 06:05:43,278 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2019-11-24 06:05:43,922 WARN L192 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 200 [2019-11-24 06:05:44,145 WARN L192 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 200 [2019-11-24 06:05:44,466 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 200 [2019-11-24 06:05:44,583 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 200 [2019-11-24 06:05:44,700 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2019-11-24 06:05:44,937 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 165 [2019-11-24 06:05:45,051 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 165 [2019-11-24 06:05:45,424 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 213 [2019-11-24 06:05:45,569 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 213 [2019-11-24 06:05:45,917 WARN L192 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 290 [2019-11-24 06:05:46,204 WARN L192 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 290 [2019-11-24 06:05:46,424 WARN L192 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 264 [2019-11-24 06:05:46,630 WARN L192 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 246 [2019-11-24 06:05:46,828 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 242 [2019-11-24 06:05:47,252 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 175 [2019-11-24 06:05:47,696 WARN L192 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 227 [2019-11-24 06:05:47,868 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 227 [2019-11-24 06:05:48,063 WARN L192 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 217 [2019-11-24 06:05:48,422 WARN L192 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 177 [2019-11-24 06:05:48,534 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 177 [2019-11-24 06:05:48,888 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 218 [2019-11-24 06:05:49,014 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2019-11-24 06:05:49,368 WARN L192 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 281 [2019-11-24 06:05:49,741 WARN L192 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 281 [2019-11-24 06:05:50,136 WARN L192 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 266 [2019-11-24 06:05:50,702 WARN L192 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 253 [2019-11-24 06:05:50,987 WARN L192 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 253 [2019-11-24 06:05:51,099 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2019-11-24 06:05:51,267 WARN L192 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 253 [2019-11-24 06:05:51,573 WARN L192 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 253 [2019-11-24 06:05:51,735 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2019-11-24 06:05:52,006 WARN L192 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 221 [2019-11-24 06:05:52,173 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 221 [2019-11-24 06:05:52,357 WARN L192 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2019-11-24 06:05:52,517 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 221 [2019-11-24 06:05:52,671 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 221 [2019-11-24 06:05:52,824 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2019-11-24 06:05:52,967 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 221 [2019-11-24 06:05:53,076 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 221 [2019-11-24 06:05:53,351 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 226 [2019-11-24 06:05:53,455 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 226 [2019-11-24 06:05:54,098 WARN L192 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 447 DAG size of output: 353 [2019-11-24 06:05:54,402 WARN L192 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 447 DAG size of output: 353 [2019-11-24 06:05:54,685 WARN L192 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 328 [2019-11-24 06:05:54,850 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2019-11-24 06:05:54,952 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2019-11-24 06:05:55,139 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2019-11-24 06:05:56,308 WARN L192 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 396 [2019-11-24 06:05:56,635 WARN L192 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 396 [2019-11-24 06:05:56,859 WARN L192 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 371 [2019-11-24 06:05:57,179 WARN L192 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 489 DAG size of output: 397 [2019-11-24 06:05:57,479 WARN L192 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 489 DAG size of output: 397 [2019-11-24 06:05:57,725 WARN L192 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 372 [2019-11-24 06:05:58,024 WARN L192 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 489 DAG size of output: 397 [2019-11-24 06:05:58,313 WARN L192 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 489 DAG size of output: 397 [2019-11-24 06:05:58,571 WARN L192 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 372 [2019-11-24 06:05:58,872 WARN L192 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 489 DAG size of output: 397 [2019-11-24 06:05:59,154 WARN L192 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 489 DAG size of output: 397 [2019-11-24 06:05:59,382 WARN L192 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 372 [2019-11-24 06:05:59,399 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 06:05:59,633 WARN L192 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-11-24 06:06:01,099 WARN L192 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 242 DAG size of output: 140 [2019-11-24 06:06:04,116 WARN L192 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 361 DAG size of output: 196 [2019-11-24 06:06:06,099 WARN L192 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 362 DAG size of output: 109 [2019-11-24 06:06:07,383 WARN L192 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 222 DAG size of output: 115 [2019-11-24 06:06:08,646 WARN L192 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 223 DAG size of output: 118 [2019-11-24 06:06:09,381 WARN L192 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 103 [2019-11-24 06:06:10,925 WARN L192 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 196 DAG size of output: 119 [2019-11-24 06:06:14,447 WARN L192 SmtUtils]: Spent 3.31 s on a formula simplification. DAG size of input: 394 DAG size of output: 172 [2019-11-24 06:06:16,818 WARN L192 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 364 DAG size of output: 157 [2019-11-24 06:06:18,612 WARN L192 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 364 DAG size of output: 146 [2019-11-24 06:06:19,870 WARN L192 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 235 DAG size of output: 125 [2019-11-24 06:06:21,675 WARN L192 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 256 DAG size of output: 132 [2019-11-24 06:06:22,809 WARN L192 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 116 [2019-11-24 06:06:23,830 WARN L192 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 115 [2019-11-24 06:06:24,689 WARN L192 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 117 [2019-11-24 06:06:25,918 WARN L192 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 98 [2019-11-24 06:06:26,506 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-11-24 06:06:26,507 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [7, 10, 13] total 43 [2019-11-24 06:06:26,508 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836597011] [2019-11-24 06:06:26,508 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-11-24 06:06:26,508 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 06:06:26,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-11-24 06:06:26,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=463, Invalid=1429, Unknown=0, NotChecked=0, Total=1892 [2019-11-24 06:06:26,510 INFO L87 Difference]: Start difference. First operand 169 states and 257 transitions. Second operand 19 states. [2019-11-24 06:06:28,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 06:06:28,213 INFO L93 Difference]: Finished difference Result 397 states and 593 transitions. [2019-11-24 06:06:28,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-11-24 06:06:28,213 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 48 [2019-11-24 06:06:28,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 06:06:28,216 INFO L225 Difference]: With dead ends: 397 [2019-11-24 06:06:28,216 INFO L226 Difference]: Without dead ends: 233 [2019-11-24 06:06:28,219 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 95 SyntacticMatches, 13 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1410 ImplicationChecksByTransitivity, 28.7s TimeCoverageRelationStatistics Valid=463, Invalid=1429, Unknown=0, NotChecked=0, Total=1892 [2019-11-24 06:06:28,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2019-11-24 06:06:28,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 221. [2019-11-24 06:06:28,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2019-11-24 06:06:28,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 318 transitions. [2019-11-24 06:06:28,244 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 318 transitions. Word has length 48 [2019-11-24 06:06:28,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 06:06:28,244 INFO L462 AbstractCegarLoop]: Abstraction has 221 states and 318 transitions. [2019-11-24 06:06:28,244 INFO L463 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-11-24 06:06:28,244 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 318 transitions. [2019-11-24 06:06:28,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-24 06:06:28,247 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 06:06:28,247 INFO L410 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 06:06:28,447 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-24 06:06:28,448 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 06:06:28,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 06:06:28,448 INFO L82 PathProgramCache]: Analyzing trace with hash 1059784071, now seen corresponding path program 1 times [2019-11-24 06:06:28,448 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 06:06:28,449 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249670497] [2019-11-24 06:06:28,449 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 06:06:28,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 06:06:29,002 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 40 [2019-11-24 06:06:29,117 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 41 [2019-11-24 06:06:29,197 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 17 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 06:06:29,197 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249670497] [2019-11-24 06:06:29,198 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1189740427] [2019-11-24 06:06:29,198 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 [2019-11-24 06:06:29,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 06:06:29,266 INFO L255 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 41 conjunts are in the unsatisfiable core [2019-11-24 06:06:29,273 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-24 06:06:29,522 WARN L192 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 65 [2019-11-24 06:06:29,851 WARN L192 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2019-11-24 06:06:29,986 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 17 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 06:06:29,986 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-24 06:06:32,490 WARN L192 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 326 DAG size of output: 190 [2019-11-24 06:06:34,820 WARN L192 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 174 DAG size of output: 164 [2019-11-24 06:06:38,492 WARN L192 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 35 [2019-11-24 06:06:38,621 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 1 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 06:06:38,622 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1230393130] [2019-11-24 06:06:38,624 INFO L159 IcfgInterpreter]: Started Sifa with 33 locations of interest [2019-11-24 06:06:38,624 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 06:06:38,625 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 06:06:38,625 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 06:06:38,625 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 06:06:39,672 WARN L192 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 272 [2019-11-24 06:06:40,043 WARN L192 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 272 [2019-11-24 06:06:40,284 WARN L192 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 271 [2019-11-24 06:06:40,947 WARN L192 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 280 [2019-11-24 06:06:41,412 WARN L192 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 273 [2019-11-24 06:06:41,810 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2019-11-24 06:06:41,960 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2019-11-24 06:06:42,109 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2019-11-24 06:06:43,788 WARN L192 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 746 DAG size of output: 521 [2019-11-24 06:06:44,486 WARN L192 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 746 DAG size of output: 521 [2019-11-24 06:06:44,898 WARN L192 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 489 DAG size of output: 485 [2019-11-24 06:06:45,340 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2019-11-24 06:06:45,493 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2019-11-24 06:06:45,648 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2019-11-24 06:06:46,925 WARN L192 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 761 DAG size of output: 521 [2019-11-24 06:06:47,775 WARN L192 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 761 DAG size of output: 521 [2019-11-24 06:06:48,309 WARN L192 SmtUtils]: Spent 531.00 ms on a formula simplification that was a NOOP. DAG size: 477 [2019-11-24 06:06:48,866 WARN L192 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 505 DAG size of output: 491 [2019-11-24 06:06:49,489 WARN L192 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 505 DAG size of output: 491 [2019-11-24 06:06:50,062 WARN L192 SmtUtils]: Spent 570.00 ms on a formula simplification that was a NOOP. DAG size: 487 [2019-11-24 06:06:50,910 WARN L192 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 212 [2019-11-24 06:06:51,206 WARN L192 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 212 [2019-11-24 06:06:51,724 WARN L192 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 447 DAG size of output: 312 [2019-11-24 06:06:52,192 WARN L192 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 447 DAG size of output: 312 [2019-11-24 06:06:52,434 WARN L192 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 264 [2019-11-24 06:06:53,005 WARN L192 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 335 [2019-11-24 06:06:53,461 WARN L192 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 335 [2019-11-24 06:06:53,743 WARN L192 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 314 [2019-11-24 06:06:54,298 WARN L192 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 497 DAG size of output: 225 [2019-11-24 06:06:54,616 WARN L192 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 497 DAG size of output: 225 [2019-11-24 06:06:55,200 WARN L192 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 314 [2019-11-24 06:06:55,623 WARN L192 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 314 [2019-11-24 06:06:55,869 WARN L192 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 271 [2019-11-24 06:06:56,522 WARN L192 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 337 [2019-11-24 06:06:56,972 WARN L192 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 337 [2019-11-24 06:06:57,239 WARN L192 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 313