java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 08:05:47,805 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 08:05:47,808 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 08:05:47,825 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-10 08:05:47,857 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 08:05:47,858 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 08:05:47,859 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 08:05:47,859 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 08:05:47,875 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 08:05:47,875 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 08:05:47,875 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 08:05:47,876 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 08:05:47,876 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 08:05:47,876 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 08:05:47,877 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 08:05:47,877 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 08:05:47,877 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 08:05:47,877 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 08:05:47,878 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 08:05:47,878 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 08:05:47,878 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 08:05:47,879 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 08:05:47,879 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 08:05:47,879 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 08:05:47,879 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 08:05:47,879 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 08:05:47,880 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 08:05:47,880 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 08:05:47,880 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 08:05:47,880 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 08:05:47,880 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 08:05:47,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 08:05:47,881 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 08:05:47,881 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 08:05:47,881 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 08:05:47,881 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 08:05:47,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 08:05:47,882 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 08:05:47,928 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 08:05:47,940 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 08:05:47,943 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 08:05:47,945 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 08:05:47,945 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 08:05:47,946 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-09-10 08:05:48,032 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e4d680f2/47697863db7c4010afaa3f85ccda5a20/FLAGf3edc5904 [2019-09-10 08:05:48,618 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 08:05:48,619 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-09-10 08:05:48,633 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e4d680f2/47697863db7c4010afaa3f85ccda5a20/FLAGf3edc5904 [2019-09-10 08:05:48,905 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e4d680f2/47697863db7c4010afaa3f85ccda5a20 [2019-09-10 08:05:48,920 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 08:05:48,922 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 08:05:48,923 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 08:05:48,923 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 08:05:48,927 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 08:05:48,928 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 08:05:48" (1/1) ... [2019-09-10 08:05:48,931 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a8ff277 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 08:05:48, skipping insertion in model container [2019-09-10 08:05:48,931 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 08:05:48" (1/1) ... [2019-09-10 08:05:48,940 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 08:05:49,018 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 08:05:49,590 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 08:05:49,608 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 08:05:49,705 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 08:05:49,729 INFO L192 MainTranslator]: Completed translation [2019-09-10 08:05:49,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 08:05:49 WrapperNode [2019-09-10 08:05:49,730 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 08:05:49,731 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 08:05:49,731 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 08:05:49,731 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 08:05:49,746 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 08:05:49" (1/1) ... [2019-09-10 08:05:49,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 08:05:49" (1/1) ... [2019-09-10 08:05:49,764 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 08:05:49" (1/1) ... [2019-09-10 08:05:49,765 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 08:05:49" (1/1) ... [2019-09-10 08:05:49,782 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 08:05:49" (1/1) ... [2019-09-10 08:05:49,794 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 08:05:49" (1/1) ... [2019-09-10 08:05:49,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 08:05:49" (1/1) ... [2019-09-10 08:05:49,806 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 08:05:49,806 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 08:05:49,807 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 08:05:49,807 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 08:05:49,808 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 08:05:49" (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 [2019-09-10 08:05:49,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 08:05:49,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 08:05:49,882 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 08:05:49,883 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 08:05:49,883 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-10 08:05:49,883 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-10 08:05:49,883 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-10 08:05:49,883 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-10 08:05:49,883 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-10 08:05:49,883 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-10 08:05:49,883 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-10 08:05:49,884 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-10 08:05:49,884 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-10 08:05:49,885 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-10 08:05:49,886 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-10 08:05:49,887 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-09-10 08:05:49,887 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-10 08:05:49,887 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-10 08:05:49,887 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 08:05:49,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 08:05:49,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 08:05:50,747 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 08:05:50,748 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-10 08:05:50,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 08:05:50 BoogieIcfgContainer [2019-09-10 08:05:50,749 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 08:05:50,751 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 08:05:50,751 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 08:05:50,754 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 08:05:50,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 08:05:48" (1/3) ... [2019-09-10 08:05:50,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d992091 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 08:05:50, skipping insertion in model container [2019-09-10 08:05:50,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 08:05:49" (2/3) ... [2019-09-10 08:05:50,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d992091 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 08:05:50, skipping insertion in model container [2019-09-10 08:05:50,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 08:05:50" (3/3) ... [2019-09-10 08:05:50,758 INFO L109 eAbstractionObserver]: Analyzing ICFG pals_lcr.5.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-09-10 08:05:50,768 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 08:05:50,782 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 08:05:50,801 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 08:05:50,836 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 08:05:50,836 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 08:05:50,837 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 08:05:50,837 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 08:05:50,837 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 08:05:50,837 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 08:05:50,837 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 08:05:50,838 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 08:05:50,858 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states. [2019-09-10 08:05:50,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-09-10 08:05:50,873 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:05:50,874 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:05:50,877 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:05:50,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:05:50,881 INFO L82 PathProgramCache]: Analyzing trace with hash 1568218155, now seen corresponding path program 1 times [2019-09-10 08:05:50,883 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:05:50,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:05:50,943 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:05:50,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:05:50,943 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:05:51,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:05:51,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:05:51,423 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:05:51,423 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 08:05:51,423 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:05:51,430 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 08:05:51,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 08:05:51,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 08:05:51,449 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 3 states. [2019-09-10 08:05:51,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:05:51,624 INFO L93 Difference]: Finished difference Result 236 states and 390 transitions. [2019-09-10 08:05:51,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 08:05:51,626 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2019-09-10 08:05:51,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:05:51,641 INFO L225 Difference]: With dead ends: 236 [2019-09-10 08:05:51,642 INFO L226 Difference]: Without dead ends: 228 [2019-09-10 08:05:51,643 INFO L628 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 [2019-09-10 08:05:51,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2019-09-10 08:05:51,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 226. [2019-09-10 08:05:51,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2019-09-10 08:05:51,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 326 transitions. [2019-09-10 08:05:51,713 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 326 transitions. Word has length 79 [2019-09-10 08:05:51,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:05:51,714 INFO L475 AbstractCegarLoop]: Abstraction has 226 states and 326 transitions. [2019-09-10 08:05:51,714 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 08:05:51,714 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 326 transitions. [2019-09-10 08:05:51,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-09-10 08:05:51,717 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:05:51,718 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:05:51,718 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:05:51,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:05:51,719 INFO L82 PathProgramCache]: Analyzing trace with hash 1951668189, now seen corresponding path program 1 times [2019-09-10 08:05:51,719 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:05:51,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:05:51,721 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:05:51,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:05:51,722 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:05:51,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:05:51,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:05:51,959 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:05:51,959 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 08:05:51,960 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:05:51,961 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 08:05:51,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 08:05:51,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 08:05:51,962 INFO L87 Difference]: Start difference. First operand 226 states and 326 transitions. Second operand 5 states. [2019-09-10 08:05:52,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:05:52,199 INFO L93 Difference]: Finished difference Result 226 states and 323 transitions. [2019-09-10 08:05:52,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 08:05:52,200 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 81 [2019-09-10 08:05:52,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:05:52,207 INFO L225 Difference]: With dead ends: 226 [2019-09-10 08:05:52,208 INFO L226 Difference]: Without dead ends: 226 [2019-09-10 08:05:52,209 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-09-10 08:05:52,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2019-09-10 08:05:52,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2019-09-10 08:05:52,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2019-09-10 08:05:52,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 323 transitions. [2019-09-10 08:05:52,247 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 323 transitions. Word has length 81 [2019-09-10 08:05:52,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:05:52,248 INFO L475 AbstractCegarLoop]: Abstraction has 226 states and 323 transitions. [2019-09-10 08:05:52,248 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 08:05:52,248 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 323 transitions. [2019-09-10 08:05:52,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-09-10 08:05:52,251 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:05:52,252 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:05:52,252 INFO L418 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:05:52,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:05:52,253 INFO L82 PathProgramCache]: Analyzing trace with hash 573425260, now seen corresponding path program 1 times [2019-09-10 08:05:52,253 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:05:52,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:05:52,256 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:05:52,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:05:52,256 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:05:52,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:05:52,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:05:52,462 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:05:52,462 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 08:05:52,463 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:05:52,463 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 08:05:52,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 08:05:52,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 08:05:52,464 INFO L87 Difference]: Start difference. First operand 226 states and 323 transitions. Second operand 5 states. [2019-09-10 08:05:52,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:05:52,701 INFO L93 Difference]: Finished difference Result 226 states and 320 transitions. [2019-09-10 08:05:52,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 08:05:52,701 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2019-09-10 08:05:52,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:05:52,703 INFO L225 Difference]: With dead ends: 226 [2019-09-10 08:05:52,703 INFO L226 Difference]: Without dead ends: 226 [2019-09-10 08:05:52,704 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-09-10 08:05:52,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2019-09-10 08:05:52,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2019-09-10 08:05:52,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2019-09-10 08:05:52,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 320 transitions. [2019-09-10 08:05:52,718 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 320 transitions. Word has length 82 [2019-09-10 08:05:52,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:05:52,718 INFO L475 AbstractCegarLoop]: Abstraction has 226 states and 320 transitions. [2019-09-10 08:05:52,718 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 08:05:52,718 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 320 transitions. [2019-09-10 08:05:52,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-09-10 08:05:52,721 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:05:52,721 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:05:52,722 INFO L418 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:05:52,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:05:52,722 INFO L82 PathProgramCache]: Analyzing trace with hash -263686482, now seen corresponding path program 1 times [2019-09-10 08:05:52,722 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:05:52,724 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:05:52,724 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:05:52,724 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:05:52,724 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:05:52,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:05:52,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:05:52,838 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:05:52,838 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 08:05:52,838 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:05:52,840 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 08:05:52,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 08:05:52,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 08:05:52,841 INFO L87 Difference]: Start difference. First operand 226 states and 320 transitions. Second operand 5 states. [2019-09-10 08:05:53,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:05:53,032 INFO L93 Difference]: Finished difference Result 226 states and 317 transitions. [2019-09-10 08:05:53,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 08:05:53,033 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 83 [2019-09-10 08:05:53,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:05:53,035 INFO L225 Difference]: With dead ends: 226 [2019-09-10 08:05:53,035 INFO L226 Difference]: Without dead ends: 226 [2019-09-10 08:05:53,036 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-09-10 08:05:53,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2019-09-10 08:05:53,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2019-09-10 08:05:53,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2019-09-10 08:05:53,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 317 transitions. [2019-09-10 08:05:53,046 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 317 transitions. Word has length 83 [2019-09-10 08:05:53,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:05:53,046 INFO L475 AbstractCegarLoop]: Abstraction has 226 states and 317 transitions. [2019-09-10 08:05:53,047 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 08:05:53,047 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 317 transitions. [2019-09-10 08:05:53,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-09-10 08:05:53,049 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:05:53,049 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:05:53,049 INFO L418 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:05:53,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:05:53,050 INFO L82 PathProgramCache]: Analyzing trace with hash -601320308, now seen corresponding path program 1 times [2019-09-10 08:05:53,050 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:05:53,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:05:53,052 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:05:53,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:05:53,052 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:05:53,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:05:53,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:05:53,148 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:05:53,148 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 08:05:53,148 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:05:53,149 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 08:05:53,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 08:05:53,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 08:05:53,150 INFO L87 Difference]: Start difference. First operand 226 states and 317 transitions. Second operand 5 states. [2019-09-10 08:05:53,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:05:53,307 INFO L93 Difference]: Finished difference Result 226 states and 314 transitions. [2019-09-10 08:05:53,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 08:05:53,308 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 84 [2019-09-10 08:05:53,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:05:53,310 INFO L225 Difference]: With dead ends: 226 [2019-09-10 08:05:53,311 INFO L226 Difference]: Without dead ends: 226 [2019-09-10 08:05:53,311 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-09-10 08:05:53,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2019-09-10 08:05:53,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2019-09-10 08:05:53,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2019-09-10 08:05:53,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 314 transitions. [2019-09-10 08:05:53,322 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 314 transitions. Word has length 84 [2019-09-10 08:05:53,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:05:53,325 INFO L475 AbstractCegarLoop]: Abstraction has 226 states and 314 transitions. [2019-09-10 08:05:53,325 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 08:05:53,325 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 314 transitions. [2019-09-10 08:05:53,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-09-10 08:05:53,331 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:05:53,335 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:05:53,335 INFO L418 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:05:53,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:05:53,336 INFO L82 PathProgramCache]: Analyzing trace with hash -2143300643, now seen corresponding path program 1 times [2019-09-10 08:05:53,336 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:05:53,337 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:05:53,338 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:05:53,338 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:05:53,338 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:05:53,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:05:53,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:05:53,470 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:05:53,470 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 08:05:53,472 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:05:53,473 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 08:05:53,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 08:05:53,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 08:05:53,475 INFO L87 Difference]: Start difference. First operand 226 states and 314 transitions. Second operand 5 states. [2019-09-10 08:05:53,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:05:53,704 INFO L93 Difference]: Finished difference Result 226 states and 311 transitions. [2019-09-10 08:05:53,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 08:05:53,705 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 85 [2019-09-10 08:05:53,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:05:53,707 INFO L225 Difference]: With dead ends: 226 [2019-09-10 08:05:53,707 INFO L226 Difference]: Without dead ends: 226 [2019-09-10 08:05:53,708 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-09-10 08:05:53,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2019-09-10 08:05:53,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2019-09-10 08:05:53,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2019-09-10 08:05:53,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 311 transitions. [2019-09-10 08:05:53,716 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 311 transitions. Word has length 85 [2019-09-10 08:05:53,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:05:53,716 INFO L475 AbstractCegarLoop]: Abstraction has 226 states and 311 transitions. [2019-09-10 08:05:53,716 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 08:05:53,717 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 311 transitions. [2019-09-10 08:05:53,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-09-10 08:05:53,718 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:05:53,718 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:05:53,718 INFO L418 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:05:53,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:05:53,719 INFO L82 PathProgramCache]: Analyzing trace with hash 1319224778, now seen corresponding path program 1 times [2019-09-10 08:05:53,719 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:05:53,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:05:53,720 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:05:53,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:05:53,721 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:05:53,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:05:53,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:05:53,878 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:05:53,878 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 08:05:53,878 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:05:53,879 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 08:05:53,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 08:05:53,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-09-10 08:05:53,879 INFO L87 Difference]: Start difference. First operand 226 states and 311 transitions. Second operand 7 states. [2019-09-10 08:05:54,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:05:54,081 INFO L93 Difference]: Finished difference Result 763 states and 1115 transitions. [2019-09-10 08:05:54,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 08:05:54,082 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 86 [2019-09-10 08:05:54,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:05:54,087 INFO L225 Difference]: With dead ends: 763 [2019-09-10 08:05:54,087 INFO L226 Difference]: Without dead ends: 763 [2019-09-10 08:05:54,088 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2019-09-10 08:05:54,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2019-09-10 08:05:54,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 285. [2019-09-10 08:05:54,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 285 states. [2019-09-10 08:05:54,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 401 transitions. [2019-09-10 08:05:54,100 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 401 transitions. Word has length 86 [2019-09-10 08:05:54,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:05:54,101 INFO L475 AbstractCegarLoop]: Abstraction has 285 states and 401 transitions. [2019-09-10 08:05:54,101 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 08:05:54,101 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 401 transitions. [2019-09-10 08:05:54,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-09-10 08:05:54,102 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:05:54,102 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:05:54,103 INFO L418 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:05:54,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:05:54,103 INFO L82 PathProgramCache]: Analyzing trace with hash 1049546299, now seen corresponding path program 1 times [2019-09-10 08:05:54,103 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:05:54,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:05:54,105 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:05:54,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:05:54,105 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:05:54,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:05:54,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:05:54,196 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:05:54,196 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 08:05:54,196 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:05:54,196 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 08:05:54,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 08:05:54,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-10 08:05:54,197 INFO L87 Difference]: Start difference. First operand 285 states and 401 transitions. Second operand 5 states. [2019-09-10 08:05:54,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:05:54,298 INFO L93 Difference]: Finished difference Result 516 states and 748 transitions. [2019-09-10 08:05:54,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 08:05:54,299 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 86 [2019-09-10 08:05:54,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:05:54,303 INFO L225 Difference]: With dead ends: 516 [2019-09-10 08:05:54,303 INFO L226 Difference]: Without dead ends: 516 [2019-09-10 08:05:54,304 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-09-10 08:05:54,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2019-09-10 08:05:54,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 430. [2019-09-10 08:05:54,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2019-09-10 08:05:54,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 623 transitions. [2019-09-10 08:05:54,320 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 623 transitions. Word has length 86 [2019-09-10 08:05:54,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:05:54,320 INFO L475 AbstractCegarLoop]: Abstraction has 430 states and 623 transitions. [2019-09-10 08:05:54,320 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 08:05:54,321 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 623 transitions. [2019-09-10 08:05:54,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-09-10 08:05:54,322 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:05:54,322 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:05:54,323 INFO L418 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:05:54,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:05:54,323 INFO L82 PathProgramCache]: Analyzing trace with hash 992840357, now seen corresponding path program 1 times [2019-09-10 08:05:54,324 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:05:54,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:05:54,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:05:54,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:05:54,325 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:05:54,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:05:54,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:05:54,492 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:05:54,493 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 08:05:54,493 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:05:54,493 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 08:05:54,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 08:05:54,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2019-09-10 08:05:54,494 INFO L87 Difference]: Start difference. First operand 430 states and 623 transitions. Second operand 7 states. [2019-09-10 08:05:54,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:05:54,665 INFO L93 Difference]: Finished difference Result 1163 states and 1726 transitions. [2019-09-10 08:05:54,665 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 08:05:54,665 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 86 [2019-09-10 08:05:54,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:05:54,672 INFO L225 Difference]: With dead ends: 1163 [2019-09-10 08:05:54,672 INFO L226 Difference]: Without dead ends: 1163 [2019-09-10 08:05:54,672 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2019-09-10 08:05:54,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1163 states. [2019-09-10 08:05:54,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1163 to 608. [2019-09-10 08:05:54,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 608 states. [2019-09-10 08:05:54,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 894 transitions. [2019-09-10 08:05:54,695 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 894 transitions. Word has length 86 [2019-09-10 08:05:54,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:05:54,695 INFO L475 AbstractCegarLoop]: Abstraction has 608 states and 894 transitions. [2019-09-10 08:05:54,695 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 08:05:54,696 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 894 transitions. [2019-09-10 08:05:54,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-09-10 08:05:54,697 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:05:54,697 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:05:54,697 INFO L418 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:05:54,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:05:54,698 INFO L82 PathProgramCache]: Analyzing trace with hash 977114007, now seen corresponding path program 1 times [2019-09-10 08:05:54,698 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:05:54,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:05:54,699 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:05:54,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:05:54,700 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:05:54,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:05:54,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:05:54,757 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:05:54,757 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 08:05:54,758 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:05:54,758 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 08:05:54,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 08:05:54,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 08:05:54,759 INFO L87 Difference]: Start difference. First operand 608 states and 894 transitions. Second operand 3 states. [2019-09-10 08:05:54,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:05:54,800 INFO L93 Difference]: Finished difference Result 1029 states and 1504 transitions. [2019-09-10 08:05:54,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 08:05:54,801 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2019-09-10 08:05:54,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:05:54,808 INFO L225 Difference]: With dead ends: 1029 [2019-09-10 08:05:54,808 INFO L226 Difference]: Without dead ends: 1029 [2019-09-10 08:05:54,809 INFO L628 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 [2019-09-10 08:05:54,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1029 states. [2019-09-10 08:05:54,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1029 to 1011. [2019-09-10 08:05:54,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1011 states. [2019-09-10 08:05:54,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 1011 states and 1479 transitions. [2019-09-10 08:05:54,839 INFO L78 Accepts]: Start accepts. Automaton has 1011 states and 1479 transitions. Word has length 86 [2019-09-10 08:05:54,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:05:54,840 INFO L475 AbstractCegarLoop]: Abstraction has 1011 states and 1479 transitions. [2019-09-10 08:05:54,840 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 08:05:54,840 INFO L276 IsEmpty]: Start isEmpty. Operand 1011 states and 1479 transitions. [2019-09-10 08:05:54,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-09-10 08:05:54,843 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:05:54,843 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:05:54,843 INFO L418 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:05:54,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:05:54,844 INFO L82 PathProgramCache]: Analyzing trace with hash 1184012502, now seen corresponding path program 1 times [2019-09-10 08:05:54,844 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:05:54,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:05:54,845 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:05:54,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:05:54,845 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:05:54,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:05:54,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:05:54,936 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:05:54,936 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 08:05:54,936 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:05:54,937 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 08:05:54,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 08:05:54,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 08:05:54,937 INFO L87 Difference]: Start difference. First operand 1011 states and 1479 transitions. Second operand 3 states. [2019-09-10 08:05:54,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:05:54,988 INFO L93 Difference]: Finished difference Result 1122 states and 1634 transitions. [2019-09-10 08:05:54,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 08:05:54,989 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2019-09-10 08:05:54,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:05:54,996 INFO L225 Difference]: With dead ends: 1122 [2019-09-10 08:05:54,996 INFO L226 Difference]: Without dead ends: 1122 [2019-09-10 08:05:54,997 INFO L628 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 [2019-09-10 08:05:55,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1122 states. [2019-09-10 08:05:55,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1122 to 1120. [2019-09-10 08:05:55,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1120 states. [2019-09-10 08:05:55,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1633 transitions. [2019-09-10 08:05:55,032 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1633 transitions. Word has length 86 [2019-09-10 08:05:55,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:05:55,032 INFO L475 AbstractCegarLoop]: Abstraction has 1120 states and 1633 transitions. [2019-09-10 08:05:55,032 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 08:05:55,032 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1633 transitions. [2019-09-10 08:05:55,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-09-10 08:05:55,033 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:05:55,034 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:05:55,035 INFO L418 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:05:55,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:05:55,035 INFO L82 PathProgramCache]: Analyzing trace with hash 16626912, now seen corresponding path program 1 times [2019-09-10 08:05:55,036 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:05:55,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:05:55,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:05:55,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:05:55,037 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:05:55,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:05:55,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:05:55,144 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:05:55,144 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 08:05:55,144 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:05:55,145 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 08:05:55,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 08:05:55,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-10 08:05:55,146 INFO L87 Difference]: Start difference. First operand 1120 states and 1633 transitions. Second operand 5 states. [2019-09-10 08:05:55,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:05:55,258 INFO L93 Difference]: Finished difference Result 1375 states and 2004 transitions. [2019-09-10 08:05:55,258 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 08:05:55,258 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 86 [2019-09-10 08:05:55,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:05:55,268 INFO L225 Difference]: With dead ends: 1375 [2019-09-10 08:05:55,268 INFO L226 Difference]: Without dead ends: 1375 [2019-09-10 08:05:55,269 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-09-10 08:05:55,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1375 states. [2019-09-10 08:05:55,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1375 to 1235. [2019-09-10 08:05:55,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1235 states. [2019-09-10 08:05:55,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1235 states to 1235 states and 1804 transitions. [2019-09-10 08:05:55,331 INFO L78 Accepts]: Start accepts. Automaton has 1235 states and 1804 transitions. Word has length 86 [2019-09-10 08:05:55,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:05:55,332 INFO L475 AbstractCegarLoop]: Abstraction has 1235 states and 1804 transitions. [2019-09-10 08:05:55,332 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 08:05:55,332 INFO L276 IsEmpty]: Start isEmpty. Operand 1235 states and 1804 transitions. [2019-09-10 08:05:55,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-09-10 08:05:55,333 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:05:55,334 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:05:55,334 INFO L418 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:05:55,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:05:55,335 INFO L82 PathProgramCache]: Analyzing trace with hash 379433169, now seen corresponding path program 1 times [2019-09-10 08:05:55,335 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:05:55,339 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:05:55,339 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:05:55,339 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:05:55,339 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:05:55,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:05:55,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:05:55,513 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:05:55,513 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 08:05:55,513 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:05:55,514 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 08:05:55,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 08:05:55,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-09-10 08:05:55,515 INFO L87 Difference]: Start difference. First operand 1235 states and 1804 transitions. Second operand 5 states. [2019-09-10 08:05:55,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:05:55,696 INFO L93 Difference]: Finished difference Result 2071 states and 3040 transitions. [2019-09-10 08:05:55,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 08:05:55,697 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 86 [2019-09-10 08:05:55,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:05:55,707 INFO L225 Difference]: With dead ends: 2071 [2019-09-10 08:05:55,708 INFO L226 Difference]: Without dead ends: 2071 [2019-09-10 08:05:55,708 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-09-10 08:05:55,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2071 states. [2019-09-10 08:05:55,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2071 to 2022. [2019-09-10 08:05:55,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2022 states. [2019-09-10 08:05:55,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2022 states to 2022 states and 2974 transitions. [2019-09-10 08:05:55,771 INFO L78 Accepts]: Start accepts. Automaton has 2022 states and 2974 transitions. Word has length 86 [2019-09-10 08:05:55,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:05:55,772 INFO L475 AbstractCegarLoop]: Abstraction has 2022 states and 2974 transitions. [2019-09-10 08:05:55,772 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 08:05:55,772 INFO L276 IsEmpty]: Start isEmpty. Operand 2022 states and 2974 transitions. [2019-09-10 08:05:55,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-09-10 08:05:55,774 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:05:55,774 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:05:55,774 INFO L418 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:05:55,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:05:55,775 INFO L82 PathProgramCache]: Analyzing trace with hash 422232126, now seen corresponding path program 1 times [2019-09-10 08:05:55,775 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:05:55,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:05:55,776 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:05:55,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:05:55,777 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:05:55,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:05:56,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:05:56,037 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:05:56,037 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-10 08:05:56,037 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:05:56,037 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-10 08:05:56,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-10 08:05:56,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-09-10 08:05:56,039 INFO L87 Difference]: Start difference. First operand 2022 states and 2974 transitions. Second operand 9 states. [2019-09-10 08:05:56,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:05:56,608 INFO L93 Difference]: Finished difference Result 3880 states and 5723 transitions. [2019-09-10 08:05:56,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-10 08:05:56,608 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 87 [2019-09-10 08:05:56,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:05:56,627 INFO L225 Difference]: With dead ends: 3880 [2019-09-10 08:05:56,628 INFO L226 Difference]: Without dead ends: 3880 [2019-09-10 08:05:56,630 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2019-09-10 08:05:56,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3880 states. [2019-09-10 08:05:56,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3880 to 2022. [2019-09-10 08:05:56,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2022 states. [2019-09-10 08:05:56,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2022 states to 2022 states and 2973 transitions. [2019-09-10 08:05:56,780 INFO L78 Accepts]: Start accepts. Automaton has 2022 states and 2973 transitions. Word has length 87 [2019-09-10 08:05:56,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:05:56,781 INFO L475 AbstractCegarLoop]: Abstraction has 2022 states and 2973 transitions. [2019-09-10 08:05:56,781 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-10 08:05:56,781 INFO L276 IsEmpty]: Start isEmpty. Operand 2022 states and 2973 transitions. [2019-09-10 08:05:56,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-09-10 08:05:56,784 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:05:56,784 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:05:56,784 INFO L418 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:05:56,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:05:56,785 INFO L82 PathProgramCache]: Analyzing trace with hash -16144864, now seen corresponding path program 1 times [2019-09-10 08:05:56,785 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:05:56,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:05:56,788 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:05:56,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:05:56,788 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:05:56,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:05:57,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:05:57,161 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:05:57,161 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-10 08:05:57,161 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:05:57,162 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-10 08:05:57,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-10 08:05:57,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-09-10 08:05:57,163 INFO L87 Difference]: Start difference. First operand 2022 states and 2973 transitions. Second operand 10 states. [2019-09-10 08:05:58,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:05:58,198 INFO L93 Difference]: Finished difference Result 4007 states and 5883 transitions. [2019-09-10 08:05:58,198 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-09-10 08:05:58,199 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 88 [2019-09-10 08:05:58,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:05:58,217 INFO L225 Difference]: With dead ends: 4007 [2019-09-10 08:05:58,218 INFO L226 Difference]: Without dead ends: 4007 [2019-09-10 08:05:58,220 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=120, Invalid=342, Unknown=0, NotChecked=0, Total=462 [2019-09-10 08:05:58,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4007 states. [2019-09-10 08:05:58,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4007 to 2022. [2019-09-10 08:05:58,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2022 states. [2019-09-10 08:05:58,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2022 states to 2022 states and 2971 transitions. [2019-09-10 08:05:58,297 INFO L78 Accepts]: Start accepts. Automaton has 2022 states and 2971 transitions. Word has length 88 [2019-09-10 08:05:58,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:05:58,298 INFO L475 AbstractCegarLoop]: Abstraction has 2022 states and 2971 transitions. [2019-09-10 08:05:58,298 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-10 08:05:58,298 INFO L276 IsEmpty]: Start isEmpty. Operand 2022 states and 2971 transitions. [2019-09-10 08:05:58,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-09-10 08:05:58,299 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:05:58,300 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:05:58,300 INFO L418 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:05:58,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:05:58,300 INFO L82 PathProgramCache]: Analyzing trace with hash 1990597379, now seen corresponding path program 1 times [2019-09-10 08:05:58,300 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:05:58,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:05:58,302 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:05:58,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:05:58,302 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:05:58,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:05:58,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:05:58,591 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:05:58,591 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-10 08:05:58,591 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:05:58,592 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-10 08:05:58,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-10 08:05:58,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-09-10 08:05:58,592 INFO L87 Difference]: Start difference. First operand 2022 states and 2971 transitions. Second operand 10 states. [2019-09-10 08:05:59,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:05:59,367 INFO L93 Difference]: Finished difference Result 3978 states and 5824 transitions. [2019-09-10 08:05:59,368 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-09-10 08:05:59,368 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 88 [2019-09-10 08:05:59,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:05:59,385 INFO L225 Difference]: With dead ends: 3978 [2019-09-10 08:05:59,386 INFO L226 Difference]: Without dead ends: 3978 [2019-09-10 08:05:59,386 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=122, Invalid=340, Unknown=0, NotChecked=0, Total=462 [2019-09-10 08:05:59,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3978 states. [2019-09-10 08:05:59,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3978 to 2022. [2019-09-10 08:05:59,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2022 states. [2019-09-10 08:05:59,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2022 states to 2022 states and 2964 transitions. [2019-09-10 08:05:59,448 INFO L78 Accepts]: Start accepts. Automaton has 2022 states and 2964 transitions. Word has length 88 [2019-09-10 08:05:59,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:05:59,448 INFO L475 AbstractCegarLoop]: Abstraction has 2022 states and 2964 transitions. [2019-09-10 08:05:59,448 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-10 08:05:59,448 INFO L276 IsEmpty]: Start isEmpty. Operand 2022 states and 2964 transitions. [2019-09-10 08:05:59,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-09-10 08:05:59,450 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:05:59,450 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:05:59,450 INFO L418 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:05:59,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:05:59,450 INFO L82 PathProgramCache]: Analyzing trace with hash -2138935051, now seen corresponding path program 1 times [2019-09-10 08:05:59,451 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:05:59,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:05:59,452 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:05:59,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:05:59,452 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:05:59,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:05:59,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:05:59,663 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:05:59,663 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-10 08:05:59,663 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:05:59,664 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-10 08:05:59,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-10 08:05:59,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-09-10 08:05:59,665 INFO L87 Difference]: Start difference. First operand 2022 states and 2964 transitions. Second operand 10 states. [2019-09-10 08:06:00,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:06:00,722 INFO L93 Difference]: Finished difference Result 4008 states and 5866 transitions. [2019-09-10 08:06:00,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-09-10 08:06:00,723 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 89 [2019-09-10 08:06:00,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:06:00,743 INFO L225 Difference]: With dead ends: 4008 [2019-09-10 08:06:00,743 INFO L226 Difference]: Without dead ends: 4008 [2019-09-10 08:06:00,744 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=120, Invalid=342, Unknown=0, NotChecked=0, Total=462 [2019-09-10 08:06:00,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4008 states. [2019-09-10 08:06:00,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4008 to 2022. [2019-09-10 08:06:00,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2022 states. [2019-09-10 08:06:00,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2022 states to 2022 states and 2960 transitions. [2019-09-10 08:06:00,815 INFO L78 Accepts]: Start accepts. Automaton has 2022 states and 2960 transitions. Word has length 89 [2019-09-10 08:06:00,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:06:00,815 INFO L475 AbstractCegarLoop]: Abstraction has 2022 states and 2960 transitions. [2019-09-10 08:06:00,815 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-10 08:06:00,816 INFO L276 IsEmpty]: Start isEmpty. Operand 2022 states and 2960 transitions. [2019-09-10 08:06:00,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-09-10 08:06:00,818 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:06:00,818 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:06:00,818 INFO L418 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:06:00,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:06:00,819 INFO L82 PathProgramCache]: Analyzing trace with hash 1852033779, now seen corresponding path program 1 times [2019-09-10 08:06:00,819 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:06:00,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:06:00,820 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:06:00,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:06:00,821 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:06:00,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:06:01,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:06:01,019 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:06:01,019 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-10 08:06:01,019 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:06:01,019 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-10 08:06:01,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-10 08:06:01,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-09-10 08:06:01,020 INFO L87 Difference]: Start difference. First operand 2022 states and 2960 transitions. Second operand 10 states. [2019-09-10 08:06:01,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:06:01,908 INFO L93 Difference]: Finished difference Result 3998 states and 5842 transitions. [2019-09-10 08:06:01,911 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-09-10 08:06:01,911 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 90 [2019-09-10 08:06:01,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:06:01,931 INFO L225 Difference]: With dead ends: 3998 [2019-09-10 08:06:01,931 INFO L226 Difference]: Without dead ends: 3998 [2019-09-10 08:06:01,932 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=120, Invalid=342, Unknown=0, NotChecked=0, Total=462 [2019-09-10 08:06:01,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3998 states. [2019-09-10 08:06:01,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3998 to 2022. [2019-09-10 08:06:01,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2022 states. [2019-09-10 08:06:01,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2022 states to 2022 states and 2954 transitions. [2019-09-10 08:06:01,987 INFO L78 Accepts]: Start accepts. Automaton has 2022 states and 2954 transitions. Word has length 90 [2019-09-10 08:06:01,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:06:01,988 INFO L475 AbstractCegarLoop]: Abstraction has 2022 states and 2954 transitions. [2019-09-10 08:06:01,988 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-10 08:06:01,988 INFO L276 IsEmpty]: Start isEmpty. Operand 2022 states and 2954 transitions. [2019-09-10 08:06:01,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-09-10 08:06:01,989 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:06:01,990 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:06:01,990 INFO L418 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:06:01,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:06:01,990 INFO L82 PathProgramCache]: Analyzing trace with hash 913180287, now seen corresponding path program 1 times [2019-09-10 08:06:01,991 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:06:01,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:06:01,992 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:06:01,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:06:01,993 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:06:02,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:06:03,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:06:03,086 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:06:03,086 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2019-09-10 08:06:03,086 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:06:03,087 INFO L454 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-09-10 08:06:03,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-09-10 08:06:03,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2019-09-10 08:06:03,087 INFO L87 Difference]: Start difference. First operand 2022 states and 2954 transitions. Second operand 18 states. [2019-09-10 08:06:03,761 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 40 [2019-09-10 08:06:03,956 WARN L188 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 61 [2019-09-10 08:06:04,260 WARN L188 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2019-09-10 08:06:04,448 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 52 [2019-09-10 08:06:04,615 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 52 [2019-09-10 08:06:04,808 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 49 [2019-09-10 08:06:05,370 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 46 [2019-09-10 08:06:05,616 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 43 [2019-09-10 08:06:06,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:06:06,264 INFO L93 Difference]: Finished difference Result 15978 states and 23606 transitions. [2019-09-10 08:06:06,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2019-09-10 08:06:06,264 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 91 [2019-09-10 08:06:06,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:06:06,298 INFO L225 Difference]: With dead ends: 15978 [2019-09-10 08:06:06,298 INFO L226 Difference]: Without dead ends: 15978 [2019-09-10 08:06:06,301 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=272, Invalid=988, Unknown=0, NotChecked=0, Total=1260 [2019-09-10 08:06:06,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15978 states. [2019-09-10 08:06:06,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15978 to 2082. [2019-09-10 08:06:06,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2082 states. [2019-09-10 08:06:06,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2082 states to 2082 states and 3031 transitions. [2019-09-10 08:06:06,483 INFO L78 Accepts]: Start accepts. Automaton has 2082 states and 3031 transitions. Word has length 91 [2019-09-10 08:06:06,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:06:06,483 INFO L475 AbstractCegarLoop]: Abstraction has 2082 states and 3031 transitions. [2019-09-10 08:06:06,483 INFO L476 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-09-10 08:06:06,484 INFO L276 IsEmpty]: Start isEmpty. Operand 2082 states and 3031 transitions. [2019-09-10 08:06:06,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-09-10 08:06:06,485 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:06:06,485 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:06:06,485 INFO L418 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:06:06,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:06:06,486 INFO L82 PathProgramCache]: Analyzing trace with hash 107830048, now seen corresponding path program 1 times [2019-09-10 08:06:06,486 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:06:06,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:06:06,489 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:06:06,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:06:06,489 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:06:06,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:06:07,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:06:07,540 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:06:07,541 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2019-09-10 08:06:07,541 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:06:07,541 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-09-10 08:06:07,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-09-10 08:06:07,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2019-09-10 08:06:07,542 INFO L87 Difference]: Start difference. First operand 2082 states and 3031 transitions. Second operand 19 states. [2019-09-10 08:06:08,127 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 36 [2019-09-10 08:06:08,322 WARN L188 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 59 [2019-09-10 08:06:08,604 WARN L188 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 83 [2019-09-10 08:06:08,937 WARN L188 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 96 [2019-09-10 08:06:09,118 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 53 [2019-09-10 08:06:09,259 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2019-09-10 08:06:09,511 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 45 [2019-09-10 08:06:09,799 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 43 [2019-09-10 08:06:09,963 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2019-09-10 08:06:10,204 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2019-09-10 08:06:11,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:06:11,002 INFO L93 Difference]: Finished difference Result 10470 states and 15436 transitions. [2019-09-10 08:06:11,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-09-10 08:06:11,004 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 91 [2019-09-10 08:06:11,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:06:11,027 INFO L225 Difference]: With dead ends: 10470 [2019-09-10 08:06:11,027 INFO L226 Difference]: Without dead ends: 10470 [2019-09-10 08:06:11,028 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=280, Invalid=1052, Unknown=0, NotChecked=0, Total=1332 [2019-09-10 08:06:11,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10470 states. [2019-09-10 08:06:11,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10470 to 2072. [2019-09-10 08:06:11,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2072 states. [2019-09-10 08:06:11,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2072 states to 2072 states and 3011 transitions. [2019-09-10 08:06:11,156 INFO L78 Accepts]: Start accepts. Automaton has 2072 states and 3011 transitions. Word has length 91 [2019-09-10 08:06:11,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:06:11,156 INFO L475 AbstractCegarLoop]: Abstraction has 2072 states and 3011 transitions. [2019-09-10 08:06:11,157 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-09-10 08:06:11,157 INFO L276 IsEmpty]: Start isEmpty. Operand 2072 states and 3011 transitions. [2019-09-10 08:06:11,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-09-10 08:06:11,159 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:06:11,159 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:06:11,160 INFO L418 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:06:11,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:06:11,160 INFO L82 PathProgramCache]: Analyzing trace with hash -1201313119, now seen corresponding path program 1 times [2019-09-10 08:06:11,161 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:06:11,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:06:11,163 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:06:11,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:06:11,164 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:06:11,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:06:12,014 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 37 [2019-09-10 08:06:12,192 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 38 [2019-09-10 08:06:12,354 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-09-10 08:06:12,521 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-09-10 08:06:12,766 WARN L188 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-09-10 08:06:12,916 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-09-10 08:06:13,067 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-09-10 08:06:14,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:06:14,012 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:06:14,012 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2019-09-10 08:06:14,013 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:06:14,013 INFO L454 AbstractCegarLoop]: Interpolant automaton has 30 states [2019-09-10 08:06:14,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2019-09-10 08:06:14,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=793, Unknown=0, NotChecked=0, Total=870 [2019-09-10 08:06:14,014 INFO L87 Difference]: Start difference. First operand 2072 states and 3011 transitions. Second operand 30 states. [2019-09-10 08:06:14,176 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2019-09-10 08:06:15,393 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2019-09-10 08:06:15,676 WARN L188 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 55 [2019-09-10 08:06:16,008 WARN L188 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 86 [2019-09-10 08:06:16,411 WARN L188 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 95 [2019-09-10 08:06:17,146 WARN L188 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 113 [2019-09-10 08:06:20,398 WARN L188 SmtUtils]: Spent 3.15 s on a formula simplification. DAG size of input: 164 DAG size of output: 136 [2019-09-10 08:06:27,913 WARN L188 SmtUtils]: Spent 7.43 s on a formula simplification. DAG size of input: 189 DAG size of output: 159 [2019-09-10 08:06:43,777 WARN L188 SmtUtils]: Spent 15.76 s on a formula simplification. DAG size of input: 204 DAG size of output: 174 [2019-09-10 08:06:44,041 WARN L188 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2019-09-10 08:06:44,296 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2019-09-10 08:06:44,693 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2019-09-10 08:06:45,124 WARN L188 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2019-09-10 08:06:45,610 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2019-09-10 08:06:46,450 WARN L188 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 64 [2019-09-10 08:06:47,069 WARN L188 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 62 [2019-09-10 08:06:47,390 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2019-09-10 08:06:47,888 WARN L188 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2019-09-10 08:06:52,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:06:52,738 INFO L93 Difference]: Finished difference Result 14647 states and 21604 transitions. [2019-09-10 08:06:52,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2019-09-10 08:06:52,740 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 91 [2019-09-10 08:06:52,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:06:52,774 INFO L225 Difference]: With dead ends: 14647 [2019-09-10 08:06:52,774 INFO L226 Difference]: Without dead ends: 14647 [2019-09-10 08:06:52,776 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 742 ImplicationChecksByTransitivity, 34.1s TimeCoverageRelationStatistics Valid=789, Invalid=3371, Unknown=0, NotChecked=0, Total=4160 [2019-09-10 08:06:52,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14647 states. [2019-09-10 08:06:52,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14647 to 2114. [2019-09-10 08:06:52,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2114 states. [2019-09-10 08:06:52,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2114 states to 2114 states and 3065 transitions. [2019-09-10 08:06:52,933 INFO L78 Accepts]: Start accepts. Automaton has 2114 states and 3065 transitions. Word has length 91 [2019-09-10 08:06:52,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:06:52,934 INFO L475 AbstractCegarLoop]: Abstraction has 2114 states and 3065 transitions. [2019-09-10 08:06:52,934 INFO L476 AbstractCegarLoop]: Interpolant automaton has 30 states. [2019-09-10 08:06:52,934 INFO L276 IsEmpty]: Start isEmpty. Operand 2114 states and 3065 transitions. [2019-09-10 08:06:52,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-09-10 08:06:52,936 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:06:52,936 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:06:52,936 INFO L418 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:06:52,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:06:52,937 INFO L82 PathProgramCache]: Analyzing trace with hash 435359808, now seen corresponding path program 1 times [2019-09-10 08:06:52,937 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:06:52,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:06:52,939 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:06:52,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:06:52,939 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:06:52,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:06:53,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:06:53,774 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:06:53,774 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2019-09-10 08:06:53,774 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:06:53,774 INFO L454 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-09-10 08:06:53,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-09-10 08:06:53,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2019-09-10 08:06:53,775 INFO L87 Difference]: Start difference. First operand 2114 states and 3065 transitions. Second operand 17 states. [2019-09-10 08:06:54,382 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2019-09-10 08:06:54,536 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 52 [2019-09-10 08:06:54,767 WARN L188 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 67 [2019-09-10 08:06:54,934 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2019-09-10 08:06:55,116 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2019-09-10 08:06:55,342 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2019-09-10 08:06:55,482 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2019-09-10 08:06:55,647 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2019-09-10 08:06:56,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:06:56,924 INFO L93 Difference]: Finished difference Result 8090 states and 11918 transitions. [2019-09-10 08:06:56,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-09-10 08:06:56,925 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 91 [2019-09-10 08:06:56,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:06:56,939 INFO L225 Difference]: With dead ends: 8090 [2019-09-10 08:06:56,940 INFO L226 Difference]: Without dead ends: 8090 [2019-09-10 08:06:56,941 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=240, Invalid=752, Unknown=0, NotChecked=0, Total=992 [2019-09-10 08:06:56,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8090 states. [2019-09-10 08:06:57,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8090 to 2090. [2019-09-10 08:06:57,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2090 states. [2019-09-10 08:06:57,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2090 states to 2090 states and 3033 transitions. [2019-09-10 08:06:57,011 INFO L78 Accepts]: Start accepts. Automaton has 2090 states and 3033 transitions. Word has length 91 [2019-09-10 08:06:57,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:06:57,012 INFO L475 AbstractCegarLoop]: Abstraction has 2090 states and 3033 transitions. [2019-09-10 08:06:57,012 INFO L476 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-09-10 08:06:57,012 INFO L276 IsEmpty]: Start isEmpty. Operand 2090 states and 3033 transitions. [2019-09-10 08:06:57,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-09-10 08:06:57,014 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:06:57,015 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:06:57,015 INFO L418 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:06:57,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:06:57,016 INFO L82 PathProgramCache]: Analyzing trace with hash 188709021, now seen corresponding path program 1 times [2019-09-10 08:06:57,016 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:06:57,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:06:57,017 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:06:57,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:06:57,018 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:06:57,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:06:57,560 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2019-09-10 08:06:57,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:06:57,803 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:06:57,803 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2019-09-10 08:06:57,803 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:06:57,804 INFO L454 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-09-10 08:06:57,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-09-10 08:06:57,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2019-09-10 08:06:57,804 INFO L87 Difference]: Start difference. First operand 2090 states and 3033 transitions. Second operand 14 states. [2019-09-10 08:06:58,401 WARN L188 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 43 [2019-09-10 08:06:58,680 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 53 [2019-09-10 08:06:58,955 WARN L188 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 53 [2019-09-10 08:06:59,399 WARN L188 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 49 [2019-09-10 08:06:59,815 WARN L188 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 46 [2019-09-10 08:06:59,959 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2019-09-10 08:07:00,393 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2019-09-10 08:07:00,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:07:00,619 INFO L93 Difference]: Finished difference Result 11425 states and 16843 transitions. [2019-09-10 08:07:00,620 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-09-10 08:07:00,620 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 92 [2019-09-10 08:07:00,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:07:00,636 INFO L225 Difference]: With dead ends: 11425 [2019-09-10 08:07:00,636 INFO L226 Difference]: Without dead ends: 11425 [2019-09-10 08:07:00,637 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=214, Invalid=716, Unknown=0, NotChecked=0, Total=930 [2019-09-10 08:07:00,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11425 states. [2019-09-10 08:07:00,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11425 to 2055. [2019-09-10 08:07:00,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2055 states. [2019-09-10 08:07:00,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2055 states to 2055 states and 2982 transitions. [2019-09-10 08:07:00,740 INFO L78 Accepts]: Start accepts. Automaton has 2055 states and 2982 transitions. Word has length 92 [2019-09-10 08:07:00,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:07:00,740 INFO L475 AbstractCegarLoop]: Abstraction has 2055 states and 2982 transitions. [2019-09-10 08:07:00,740 INFO L476 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-09-10 08:07:00,740 INFO L276 IsEmpty]: Start isEmpty. Operand 2055 states and 2982 transitions. [2019-09-10 08:07:00,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-09-10 08:07:00,742 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:07:00,742 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:07:00,742 INFO L418 AbstractCegarLoop]: === Iteration 24 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:07:00,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:07:00,743 INFO L82 PathProgramCache]: Analyzing trace with hash -596964940, now seen corresponding path program 1 times [2019-09-10 08:07:00,743 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:07:00,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:07:00,744 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:07:00,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:07:00,744 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:07:00,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:07:00,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:07:00,877 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:07:00,877 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-10 08:07:00,877 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:07:00,878 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-10 08:07:00,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-10 08:07:00,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-10 08:07:00,879 INFO L87 Difference]: Start difference. First operand 2055 states and 2982 transitions. Second operand 4 states. [2019-09-10 08:07:00,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:07:00,937 INFO L93 Difference]: Finished difference Result 2960 states and 4288 transitions. [2019-09-10 08:07:00,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 08:07:00,938 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 92 [2019-09-10 08:07:00,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:07:00,942 INFO L225 Difference]: With dead ends: 2960 [2019-09-10 08:07:00,942 INFO L226 Difference]: Without dead ends: 2960 [2019-09-10 08:07:00,942 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-10 08:07:00,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2960 states. [2019-09-10 08:07:00,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2960 to 2941. [2019-09-10 08:07:00,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2941 states. [2019-09-10 08:07:00,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2941 states to 2941 states and 4270 transitions. [2019-09-10 08:07:00,989 INFO L78 Accepts]: Start accepts. Automaton has 2941 states and 4270 transitions. Word has length 92 [2019-09-10 08:07:00,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:07:00,989 INFO L475 AbstractCegarLoop]: Abstraction has 2941 states and 4270 transitions. [2019-09-10 08:07:00,989 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-10 08:07:00,990 INFO L276 IsEmpty]: Start isEmpty. Operand 2941 states and 4270 transitions. [2019-09-10 08:07:00,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-09-10 08:07:00,991 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:07:00,991 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:07:00,991 INFO L418 AbstractCegarLoop]: === Iteration 25 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:07:00,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:07:00,992 INFO L82 PathProgramCache]: Analyzing trace with hash 1323542840, now seen corresponding path program 1 times [2019-09-10 08:07:00,992 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:07:00,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:07:00,994 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:07:00,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:07:00,995 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:07:01,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:07:01,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:07:01,094 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:07:01,094 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 08:07:01,095 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:07:01,095 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 08:07:01,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 08:07:01,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 08:07:01,096 INFO L87 Difference]: Start difference. First operand 2941 states and 4270 transitions. Second operand 5 states. [2019-09-10 08:07:01,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:07:01,167 INFO L93 Difference]: Finished difference Result 4578 states and 6646 transitions. [2019-09-10 08:07:01,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-10 08:07:01,168 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 92 [2019-09-10 08:07:01,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:07:01,174 INFO L225 Difference]: With dead ends: 4578 [2019-09-10 08:07:01,174 INFO L226 Difference]: Without dead ends: 4578 [2019-09-10 08:07:01,178 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-09-10 08:07:01,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4578 states. [2019-09-10 08:07:01,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4578 to 2959. [2019-09-10 08:07:01,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2959 states. [2019-09-10 08:07:01,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2959 states to 2959 states and 4276 transitions. [2019-09-10 08:07:01,260 INFO L78 Accepts]: Start accepts. Automaton has 2959 states and 4276 transitions. Word has length 92 [2019-09-10 08:07:01,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:07:01,261 INFO L475 AbstractCegarLoop]: Abstraction has 2959 states and 4276 transitions. [2019-09-10 08:07:01,261 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 08:07:01,261 INFO L276 IsEmpty]: Start isEmpty. Operand 2959 states and 4276 transitions. [2019-09-10 08:07:01,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-09-10 08:07:01,263 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:07:01,264 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:07:01,264 INFO L418 AbstractCegarLoop]: === Iteration 26 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:07:01,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:07:01,265 INFO L82 PathProgramCache]: Analyzing trace with hash -1094426183, now seen corresponding path program 1 times [2019-09-10 08:07:01,265 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:07:01,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:07:01,270 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:07:01,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:07:01,271 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:07:01,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:07:02,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:07:02,531 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:07:02,532 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2019-09-10 08:07:02,532 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:07:02,533 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-09-10 08:07:02,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-09-10 08:07:02,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2019-09-10 08:07:02,533 INFO L87 Difference]: Start difference. First operand 2959 states and 4276 transitions. Second operand 19 states. [2019-09-10 08:07:03,129 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2019-09-10 08:07:03,365 WARN L188 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 61 [2019-09-10 08:07:03,748 WARN L188 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 80 [2019-09-10 08:07:04,174 WARN L188 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 85 [2019-09-10 08:07:04,350 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 52 [2019-09-10 08:07:04,689 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 48 [2019-09-10 08:07:05,017 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2019-09-10 08:07:05,196 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2019-09-10 08:07:05,465 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2019-09-10 08:07:06,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:07:06,289 INFO L93 Difference]: Finished difference Result 14064 states and 20547 transitions. [2019-09-10 08:07:06,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-09-10 08:07:06,290 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 92 [2019-09-10 08:07:06,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:07:06,302 INFO L225 Difference]: With dead ends: 14064 [2019-09-10 08:07:06,303 INFO L226 Difference]: Without dead ends: 14064 [2019-09-10 08:07:06,303 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=280, Invalid=1052, Unknown=0, NotChecked=0, Total=1332 [2019-09-10 08:07:06,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14064 states. [2019-09-10 08:07:06,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14064 to 2935. [2019-09-10 08:07:06,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2935 states. [2019-09-10 08:07:06,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2935 states to 2935 states and 4243 transitions. [2019-09-10 08:07:06,435 INFO L78 Accepts]: Start accepts. Automaton has 2935 states and 4243 transitions. Word has length 92 [2019-09-10 08:07:06,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:07:06,435 INFO L475 AbstractCegarLoop]: Abstraction has 2935 states and 4243 transitions. [2019-09-10 08:07:06,435 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-09-10 08:07:06,436 INFO L276 IsEmpty]: Start isEmpty. Operand 2935 states and 4243 transitions. [2019-09-10 08:07:06,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-09-10 08:07:06,437 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:07:06,437 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:07:06,437 INFO L418 AbstractCegarLoop]: === Iteration 27 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:07:06,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:07:06,438 INFO L82 PathProgramCache]: Analyzing trace with hash 1433027713, now seen corresponding path program 1 times [2019-09-10 08:07:06,438 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:07:06,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:07:06,439 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:07:06,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:07:06,439 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:07:06,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:07:07,153 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 37 [2019-09-10 08:07:07,315 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-10 08:07:07,768 WARN L188 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 52 [2019-09-10 08:07:08,108 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 45 [2019-09-10 08:07:08,426 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2019-09-10 08:07:08,618 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2019-09-10 08:07:08,782 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 42 [2019-09-10 08:07:08,963 WARN L188 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 45 [2019-09-10 08:07:09,121 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 40 [2019-09-10 08:07:09,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:07:09,869 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:07:09,869 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2019-09-10 08:07:09,869 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:07:09,869 INFO L454 AbstractCegarLoop]: Interpolant automaton has 32 states [2019-09-10 08:07:09,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2019-09-10 08:07:09,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=911, Unknown=0, NotChecked=0, Total=992 [2019-09-10 08:07:09,870 INFO L87 Difference]: Start difference. First operand 2935 states and 4243 transitions. Second operand 32 states. [2019-09-10 08:07:10,138 WARN L188 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 58 [2019-09-10 08:07:10,911 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 35 [2019-09-10 08:07:11,099 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 39 [2019-09-10 08:07:11,334 WARN L188 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 47 [2019-09-10 08:07:11,575 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 49 [2019-09-10 08:07:11,919 WARN L188 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 57 [2019-09-10 08:07:12,629 WARN L188 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 76 [2019-09-10 08:07:13,189 WARN L188 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 90 [2019-09-10 08:07:13,985 WARN L188 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 98 [2019-09-10 08:07:14,821 WARN L188 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 103 [2019-09-10 08:07:15,768 WARN L188 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 111 [2019-09-10 08:07:16,846 WARN L188 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 120 [2019-09-10 08:07:17,997 WARN L188 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 160 DAG size of output: 128 [2019-09-10 08:07:19,291 WARN L188 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 175 DAG size of output: 141 [2019-09-10 08:07:19,882 WARN L188 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 101 [2019-09-10 08:07:20,470 WARN L188 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 101 [2019-09-10 08:07:20,825 WARN L188 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2019-09-10 08:07:21,569 WARN L188 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 107 [2019-09-10 08:07:21,838 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 75 [2019-09-10 08:07:22,425 WARN L188 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 94 [2019-09-10 08:07:22,706 WARN L188 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-09-10 08:07:23,053 WARN L188 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 78 [2019-09-10 08:07:23,617 WARN L188 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 92 [2019-09-10 08:07:23,967 WARN L188 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 68 [2019-09-10 08:07:24,160 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2019-09-10 08:07:24,487 WARN L188 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 64 [2019-09-10 08:07:24,961 WARN L188 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 65 [2019-09-10 08:07:25,237 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 64 [2019-09-10 08:07:25,941 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-09-10 08:07:26,523 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-09-10 08:07:33,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:07:33,218 INFO L93 Difference]: Finished difference Result 33749 states and 49411 transitions. [2019-09-10 08:07:33,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2019-09-10 08:07:33,223 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 93 [2019-09-10 08:07:33,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:07:33,255 INFO L225 Difference]: With dead ends: 33749 [2019-09-10 08:07:33,255 INFO L226 Difference]: Without dead ends: 33749 [2019-09-10 08:07:33,257 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 947 ImplicationChecksByTransitivity, 17.2s TimeCoverageRelationStatistics Valid=789, Invalid=4041, Unknown=0, NotChecked=0, Total=4830 [2019-09-10 08:07:33,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33749 states. [2019-09-10 08:07:33,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33749 to 2939. [2019-09-10 08:07:33,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2939 states. [2019-09-10 08:07:33,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2939 states to 2939 states and 4247 transitions. [2019-09-10 08:07:33,683 INFO L78 Accepts]: Start accepts. Automaton has 2939 states and 4247 transitions. Word has length 93 [2019-09-10 08:07:33,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:07:33,683 INFO L475 AbstractCegarLoop]: Abstraction has 2939 states and 4247 transitions. [2019-09-10 08:07:33,684 INFO L476 AbstractCegarLoop]: Interpolant automaton has 32 states. [2019-09-10 08:07:33,684 INFO L276 IsEmpty]: Start isEmpty. Operand 2939 states and 4247 transitions. [2019-09-10 08:07:33,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-09-10 08:07:33,686 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:07:33,686 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:07:33,687 INFO L418 AbstractCegarLoop]: === Iteration 28 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:07:33,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:07:33,687 INFO L82 PathProgramCache]: Analyzing trace with hash 130994276, now seen corresponding path program 1 times [2019-09-10 08:07:33,688 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:07:33,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:07:33,689 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:07:33,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:07:33,690 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:07:33,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:07:34,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:07:34,391 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:07:34,392 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2019-09-10 08:07:34,392 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:07:34,392 INFO L454 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-09-10 08:07:34,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-09-10 08:07:34,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2019-09-10 08:07:34,393 INFO L87 Difference]: Start difference. First operand 2939 states and 4247 transitions. Second operand 14 states. [2019-09-10 08:07:34,972 WARN L188 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 44 [2019-09-10 08:07:35,169 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 53 [2019-09-10 08:07:35,386 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 53 [2019-09-10 08:07:35,774 WARN L188 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 50 [2019-09-10 08:07:36,082 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2019-09-10 08:07:36,254 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 47 [2019-09-10 08:07:36,837 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 44 [2019-09-10 08:07:36,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:07:36,986 INFO L93 Difference]: Finished difference Result 16774 states and 24504 transitions. [2019-09-10 08:07:36,986 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-09-10 08:07:36,987 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 93 [2019-09-10 08:07:36,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:07:37,008 INFO L225 Difference]: With dead ends: 16774 [2019-09-10 08:07:37,008 INFO L226 Difference]: Without dead ends: 16774 [2019-09-10 08:07:37,009 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=214, Invalid=716, Unknown=0, NotChecked=0, Total=930 [2019-09-10 08:07:37,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16774 states. [2019-09-10 08:07:37,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16774 to 2922. [2019-09-10 08:07:37,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2922 states. [2019-09-10 08:07:37,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2922 states to 2922 states and 4225 transitions. [2019-09-10 08:07:37,235 INFO L78 Accepts]: Start accepts. Automaton has 2922 states and 4225 transitions. Word has length 93 [2019-09-10 08:07:37,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:07:37,236 INFO L475 AbstractCegarLoop]: Abstraction has 2922 states and 4225 transitions. [2019-09-10 08:07:37,236 INFO L476 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-09-10 08:07:37,236 INFO L276 IsEmpty]: Start isEmpty. Operand 2922 states and 4225 transitions. [2019-09-10 08:07:37,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-09-10 08:07:37,238 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:07:37,239 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:07:37,239 INFO L418 AbstractCegarLoop]: === Iteration 29 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:07:37,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:07:37,239 INFO L82 PathProgramCache]: Analyzing trace with hash 2117744673, now seen corresponding path program 1 times [2019-09-10 08:07:37,240 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:07:37,241 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:07:37,241 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:07:37,241 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:07:37,241 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:07:37,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:07:38,018 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 39 [2019-09-10 08:07:38,849 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2019-09-10 08:07:39,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:07:39,575 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:07:39,575 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2019-09-10 08:07:39,575 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:07:39,576 INFO L454 AbstractCegarLoop]: Interpolant automaton has 32 states [2019-09-10 08:07:39,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2019-09-10 08:07:39,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=905, Unknown=0, NotChecked=0, Total=992 [2019-09-10 08:07:39,577 INFO L87 Difference]: Start difference. First operand 2922 states and 4225 transitions. Second operand 32 states. [2019-09-10 08:07:39,780 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2019-09-10 08:07:40,700 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2019-09-10 08:07:40,967 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2019-09-10 08:07:41,394 WARN L188 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 53 [2019-09-10 08:07:41,680 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 55 [2019-09-10 08:07:42,053 WARN L188 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 66 [2019-09-10 08:07:42,497 WARN L188 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 76 [2019-09-10 08:07:43,002 WARN L188 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 84 [2019-09-10 08:07:43,611 WARN L188 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 94 [2019-09-10 08:07:44,267 WARN L188 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 102 [2019-09-10 08:07:45,143 WARN L188 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 124 [2019-09-10 08:07:45,423 WARN L188 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 75 [2019-09-10 08:07:45,705 WARN L188 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 74 [2019-09-10 08:07:46,165 WARN L188 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 73 [2019-09-10 08:07:46,535 WARN L188 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 86 [2019-09-10 08:07:46,828 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 65 [2019-09-10 08:07:47,216 WARN L188 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 61 [2019-09-10 08:07:47,417 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 49 [2019-09-10 08:07:47,772 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 61 [2019-09-10 08:07:54,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:07:54,485 INFO L93 Difference]: Finished difference Result 30131 states and 44088 transitions. [2019-09-10 08:07:54,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2019-09-10 08:07:54,485 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 93 [2019-09-10 08:07:54,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:07:54,522 INFO L225 Difference]: With dead ends: 30131 [2019-09-10 08:07:54,522 INFO L226 Difference]: Without dead ends: 30131 [2019-09-10 08:07:54,524 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 722 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=720, Invalid=3186, Unknown=0, NotChecked=0, Total=3906 [2019-09-10 08:07:54,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30131 states. [2019-09-10 08:07:54,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30131 to 2930. [2019-09-10 08:07:54,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2930 states. [2019-09-10 08:07:54,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2930 states to 2930 states and 4234 transitions. [2019-09-10 08:07:54,778 INFO L78 Accepts]: Start accepts. Automaton has 2930 states and 4234 transitions. Word has length 93 [2019-09-10 08:07:54,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:07:54,779 INFO L475 AbstractCegarLoop]: Abstraction has 2930 states and 4234 transitions. [2019-09-10 08:07:54,779 INFO L476 AbstractCegarLoop]: Interpolant automaton has 32 states. [2019-09-10 08:07:54,779 INFO L276 IsEmpty]: Start isEmpty. Operand 2930 states and 4234 transitions. [2019-09-10 08:07:54,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-09-10 08:07:54,780 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:07:54,781 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:07:54,781 INFO L418 AbstractCegarLoop]: === Iteration 30 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:07:54,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:07:54,781 INFO L82 PathProgramCache]: Analyzing trace with hash 574389371, now seen corresponding path program 1 times [2019-09-10 08:07:54,781 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:07:54,782 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:07:54,783 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:07:54,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:07:54,783 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:07:54,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:07:55,319 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2019-09-10 08:07:55,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:07:55,849 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:07:55,849 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2019-09-10 08:07:55,849 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:07:55,849 INFO L454 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-09-10 08:07:55,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-09-10 08:07:55,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2019-09-10 08:07:55,850 INFO L87 Difference]: Start difference. First operand 2930 states and 4234 transitions. Second operand 18 states. [2019-09-10 08:07:56,177 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 22 [2019-09-10 08:07:56,615 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 39 [2019-09-10 08:07:56,813 WARN L188 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 49 [2019-09-10 08:07:57,042 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 55 [2019-09-10 08:07:57,232 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 51 [2019-09-10 08:07:57,428 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 51 [2019-09-10 08:07:57,610 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2019-09-10 08:07:57,834 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 54 [2019-09-10 08:07:58,110 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 44 [2019-09-10 08:07:58,328 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 42 [2019-09-10 08:07:59,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:07:59,712 INFO L93 Difference]: Finished difference Result 25139 states and 36862 transitions. [2019-09-10 08:07:59,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-09-10 08:07:59,713 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 93 [2019-09-10 08:07:59,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:07:59,738 INFO L225 Difference]: With dead ends: 25139 [2019-09-10 08:07:59,738 INFO L226 Difference]: Without dead ends: 25139 [2019-09-10 08:07:59,739 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 246 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=299, Invalid=1107, Unknown=0, NotChecked=0, Total=1406 [2019-09-10 08:07:59,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25139 states. [2019-09-10 08:07:59,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25139 to 2914. [2019-09-10 08:07:59,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2914 states. [2019-09-10 08:07:59,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2914 states to 2914 states and 4214 transitions. [2019-09-10 08:07:59,862 INFO L78 Accepts]: Start accepts. Automaton has 2914 states and 4214 transitions. Word has length 93 [2019-09-10 08:07:59,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:07:59,863 INFO L475 AbstractCegarLoop]: Abstraction has 2914 states and 4214 transitions. [2019-09-10 08:07:59,863 INFO L476 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-09-10 08:07:59,863 INFO L276 IsEmpty]: Start isEmpty. Operand 2914 states and 4214 transitions. [2019-09-10 08:07:59,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-09-10 08:07:59,864 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:07:59,864 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:07:59,865 INFO L418 AbstractCegarLoop]: === Iteration 31 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:07:59,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:07:59,865 INFO L82 PathProgramCache]: Analyzing trace with hash 492231610, now seen corresponding path program 1 times [2019-09-10 08:07:59,865 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:07:59,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:07:59,866 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:07:59,867 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:07:59,867 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:07:59,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:08:00,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:08:00,374 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:08:00,374 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-09-10 08:08:00,374 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:08:00,375 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-10 08:08:00,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-10 08:08:00,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-09-10 08:08:00,375 INFO L87 Difference]: Start difference. First operand 2914 states and 4214 transitions. Second operand 13 states. [2019-09-10 08:08:00,916 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 42 [2019-09-10 08:08:01,142 WARN L188 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 50 [2019-09-10 08:08:01,384 WARN L188 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 50 [2019-09-10 08:08:01,753 WARN L188 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 48 [2019-09-10 08:08:02,037 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 45 [2019-09-10 08:08:02,191 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2019-09-10 08:08:02,689 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2019-09-10 08:08:02,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:08:02,774 INFO L93 Difference]: Finished difference Result 13957 states and 20387 transitions. [2019-09-10 08:08:02,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-09-10 08:08:02,775 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 93 [2019-09-10 08:08:02,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:08:02,791 INFO L225 Difference]: With dead ends: 13957 [2019-09-10 08:08:02,791 INFO L226 Difference]: Without dead ends: 13957 [2019-09-10 08:08:02,791 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=153, Invalid=497, Unknown=0, NotChecked=0, Total=650 [2019-09-10 08:08:02,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13957 states. [2019-09-10 08:08:02,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13957 to 2898. [2019-09-10 08:08:02,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2898 states. [2019-09-10 08:08:02,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2898 states to 2898 states and 4194 transitions. [2019-09-10 08:08:02,885 INFO L78 Accepts]: Start accepts. Automaton has 2898 states and 4194 transitions. Word has length 93 [2019-09-10 08:08:02,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:08:02,886 INFO L475 AbstractCegarLoop]: Abstraction has 2898 states and 4194 transitions. [2019-09-10 08:08:02,886 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-10 08:08:02,886 INFO L276 IsEmpty]: Start isEmpty. Operand 2898 states and 4194 transitions. [2019-09-10 08:08:02,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-09-10 08:08:02,887 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:08:02,887 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:08:02,887 INFO L418 AbstractCegarLoop]: === Iteration 32 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:08:02,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:08:02,887 INFO L82 PathProgramCache]: Analyzing trace with hash 296923704, now seen corresponding path program 1 times [2019-09-10 08:08:02,888 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:08:02,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:08:02,889 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:08:02,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:08:02,889 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:08:02,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:08:03,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:08:03,562 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:08:03,562 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2019-09-10 08:08:03,562 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:08:03,562 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-09-10 08:08:03,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-09-10 08:08:03,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2019-09-10 08:08:03,563 INFO L87 Difference]: Start difference. First operand 2898 states and 4194 transitions. Second operand 15 states. [2019-09-10 08:08:04,078 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 34 [2019-09-10 08:08:04,297 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 45 [2019-09-10 08:08:04,519 WARN L188 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 46 [2019-09-10 08:08:04,801 WARN L188 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 46 [2019-09-10 08:08:05,000 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 55 [2019-09-10 08:08:05,311 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 53 [2019-09-10 08:08:05,440 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 41 [2019-09-10 08:08:05,635 WARN L188 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 39 [2019-09-10 08:08:06,030 WARN L188 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2019-09-10 08:08:06,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:08:06,571 INFO L93 Difference]: Finished difference Result 12722 states and 18626 transitions. [2019-09-10 08:08:06,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-09-10 08:08:06,572 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 94 [2019-09-10 08:08:06,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:08:06,585 INFO L225 Difference]: With dead ends: 12722 [2019-09-10 08:08:06,585 INFO L226 Difference]: Without dead ends: 12722 [2019-09-10 08:08:06,586 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=240, Invalid=752, Unknown=0, NotChecked=0, Total=992 [2019-09-10 08:08:06,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12722 states. [2019-09-10 08:08:06,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12722 to 2873. [2019-09-10 08:08:06,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2873 states. [2019-09-10 08:08:06,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2873 states to 2873 states and 4165 transitions. [2019-09-10 08:08:06,676 INFO L78 Accepts]: Start accepts. Automaton has 2873 states and 4165 transitions. Word has length 94 [2019-09-10 08:08:06,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:08:06,676 INFO L475 AbstractCegarLoop]: Abstraction has 2873 states and 4165 transitions. [2019-09-10 08:08:06,676 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-09-10 08:08:06,676 INFO L276 IsEmpty]: Start isEmpty. Operand 2873 states and 4165 transitions. [2019-09-10 08:08:06,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-09-10 08:08:06,677 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:08:06,677 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:08:06,678 INFO L418 AbstractCegarLoop]: === Iteration 33 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:08:06,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:08:06,678 INFO L82 PathProgramCache]: Analyzing trace with hash 48312984, now seen corresponding path program 1 times [2019-09-10 08:08:06,678 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:08:06,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:08:06,679 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:08:06,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:08:06,679 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:08:06,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:08:07,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:08:07,096 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:08:07,096 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-10 08:08:07,096 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:08:07,097 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-10 08:08:07,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-10 08:08:07,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2019-09-10 08:08:07,097 INFO L87 Difference]: Start difference. First operand 2873 states and 4165 transitions. Second operand 10 states. [2019-09-10 08:08:07,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:08:07,817 INFO L93 Difference]: Finished difference Result 9676 states and 14157 transitions. [2019-09-10 08:08:07,817 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-09-10 08:08:07,817 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 94 [2019-09-10 08:08:07,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:08:07,825 INFO L225 Difference]: With dead ends: 9676 [2019-09-10 08:08:07,826 INFO L226 Difference]: Without dead ends: 9676 [2019-09-10 08:08:07,826 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2019-09-10 08:08:07,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9676 states. [2019-09-10 08:08:07,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9676 to 2480. [2019-09-10 08:08:07,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2480 states. [2019-09-10 08:08:07,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2480 states to 2480 states and 3603 transitions. [2019-09-10 08:08:07,880 INFO L78 Accepts]: Start accepts. Automaton has 2480 states and 3603 transitions. Word has length 94 [2019-09-10 08:08:07,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:08:07,880 INFO L475 AbstractCegarLoop]: Abstraction has 2480 states and 3603 transitions. [2019-09-10 08:08:07,880 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-10 08:08:07,880 INFO L276 IsEmpty]: Start isEmpty. Operand 2480 states and 3603 transitions. [2019-09-10 08:08:07,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2019-09-10 08:08:07,882 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:08:07,882 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:08:07,883 INFO L418 AbstractCegarLoop]: === Iteration 34 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:08:07,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:08:07,883 INFO L82 PathProgramCache]: Analyzing trace with hash -1473940751, now seen corresponding path program 1 times [2019-09-10 08:08:07,883 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:08:07,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:08:07,884 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:08:07,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:08:07,884 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:08:07,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:08:07,975 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:08:07,976 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:08:07,976 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 08:08:07,976 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:08:07,976 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 08:08:07,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 08:08:07,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-10 08:08:07,977 INFO L87 Difference]: Start difference. First operand 2480 states and 3603 transitions. Second operand 7 states. [2019-09-10 08:08:08,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:08:08,515 INFO L93 Difference]: Finished difference Result 9038 states and 13117 transitions. [2019-09-10 08:08:08,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-10 08:08:08,515 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 120 [2019-09-10 08:08:08,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:08:08,525 INFO L225 Difference]: With dead ends: 9038 [2019-09-10 08:08:08,525 INFO L226 Difference]: Without dead ends: 9038 [2019-09-10 08:08:08,525 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2019-09-10 08:08:08,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9038 states. [2019-09-10 08:08:08,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9038 to 3867. [2019-09-10 08:08:08,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3867 states. [2019-09-10 08:08:08,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3867 states to 3867 states and 5631 transitions. [2019-09-10 08:08:08,653 INFO L78 Accepts]: Start accepts. Automaton has 3867 states and 5631 transitions. Word has length 120 [2019-09-10 08:08:08,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:08:08,653 INFO L475 AbstractCegarLoop]: Abstraction has 3867 states and 5631 transitions. [2019-09-10 08:08:08,653 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 08:08:08,653 INFO L276 IsEmpty]: Start isEmpty. Operand 3867 states and 5631 transitions. [2019-09-10 08:08:08,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2019-09-10 08:08:08,655 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:08:08,655 INFO L399 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:08:08,656 INFO L418 AbstractCegarLoop]: === Iteration 35 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:08:08,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:08:08,656 INFO L82 PathProgramCache]: Analyzing trace with hash 1422172717, now seen corresponding path program 1 times [2019-09-10 08:08:08,656 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:08:08,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:08:08,657 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:08:08,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:08:08,658 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:08:08,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:08:08,793 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:08:08,793 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:08:08,793 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 08:08:08,793 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:08:08,794 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 08:08:08,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 08:08:08,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-10 08:08:08,794 INFO L87 Difference]: Start difference. First operand 3867 states and 5631 transitions. Second operand 7 states. [2019-09-10 08:08:09,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:08:09,290 INFO L93 Difference]: Finished difference Result 17953 states and 25958 transitions. [2019-09-10 08:08:09,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-10 08:08:09,291 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 120 [2019-09-10 08:08:09,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:08:09,305 INFO L225 Difference]: With dead ends: 17953 [2019-09-10 08:08:09,305 INFO L226 Difference]: Without dead ends: 17953 [2019-09-10 08:08:09,305 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2019-09-10 08:08:09,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17953 states. [2019-09-10 08:08:09,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17953 to 8235. [2019-09-10 08:08:09,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8235 states. [2019-09-10 08:08:09,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8235 states to 8235 states and 11999 transitions. [2019-09-10 08:08:09,408 INFO L78 Accepts]: Start accepts. Automaton has 8235 states and 11999 transitions. Word has length 120 [2019-09-10 08:08:09,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:08:09,408 INFO L475 AbstractCegarLoop]: Abstraction has 8235 states and 11999 transitions. [2019-09-10 08:08:09,408 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 08:08:09,408 INFO L276 IsEmpty]: Start isEmpty. Operand 8235 states and 11999 transitions. [2019-09-10 08:08:09,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2019-09-10 08:08:09,409 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:08:09,409 INFO L399 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:08:09,410 INFO L418 AbstractCegarLoop]: === Iteration 36 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:08:09,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:08:09,410 INFO L82 PathProgramCache]: Analyzing trace with hash -1259095623, now seen corresponding path program 1 times [2019-09-10 08:08:09,410 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:08:09,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:08:09,411 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:08:09,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:08:09,411 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:08:09,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:08:09,509 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:08:09,509 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:08:09,510 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 08:08:09,510 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:08:09,510 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 08:08:09,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 08:08:09,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-10 08:08:09,511 INFO L87 Difference]: Start difference. First operand 8235 states and 11999 transitions. Second operand 7 states. [2019-09-10 08:08:09,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:08:09,984 INFO L93 Difference]: Finished difference Result 33351 states and 47892 transitions. [2019-09-10 08:08:09,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-10 08:08:09,985 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 120 [2019-09-10 08:08:09,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:08:10,025 INFO L225 Difference]: With dead ends: 33351 [2019-09-10 08:08:10,026 INFO L226 Difference]: Without dead ends: 33351 [2019-09-10 08:08:10,026 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2019-09-10 08:08:10,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33351 states. [2019-09-10 08:08:10,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33351 to 17581. [2019-09-10 08:08:10,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17581 states. [2019-09-10 08:08:10,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17581 states to 17581 states and 25589 transitions. [2019-09-10 08:08:10,361 INFO L78 Accepts]: Start accepts. Automaton has 17581 states and 25589 transitions. Word has length 120 [2019-09-10 08:08:10,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:08:10,361 INFO L475 AbstractCegarLoop]: Abstraction has 17581 states and 25589 transitions. [2019-09-10 08:08:10,361 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 08:08:10,361 INFO L276 IsEmpty]: Start isEmpty. Operand 17581 states and 25589 transitions. [2019-09-10 08:08:10,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2019-09-10 08:08:10,363 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:08:10,363 INFO L399 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:08:10,364 INFO L418 AbstractCegarLoop]: === Iteration 37 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:08:10,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:08:10,364 INFO L82 PathProgramCache]: Analyzing trace with hash -1767863757, now seen corresponding path program 1 times [2019-09-10 08:08:10,364 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:08:10,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:08:10,365 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:08:10,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:08:10,366 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:08:10,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:08:10,462 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:08:10,462 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:08:10,462 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 08:08:10,462 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:08:10,463 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 08:08:10,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 08:08:10,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-10 08:08:10,463 INFO L87 Difference]: Start difference. First operand 17581 states and 25589 transitions. Second operand 7 states. [2019-09-10 08:08:11,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:08:11,093 INFO L93 Difference]: Finished difference Result 59363 states and 85320 transitions. [2019-09-10 08:08:11,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-10 08:08:11,099 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 120 [2019-09-10 08:08:11,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:08:11,152 INFO L225 Difference]: With dead ends: 59363 [2019-09-10 08:08:11,152 INFO L226 Difference]: Without dead ends: 59363 [2019-09-10 08:08:11,152 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2019-09-10 08:08:11,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59363 states. [2019-09-10 08:08:11,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59363 to 37493. [2019-09-10 08:08:11,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37493 states. [2019-09-10 08:08:11,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37493 states to 37493 states and 54477 transitions. [2019-09-10 08:08:11,626 INFO L78 Accepts]: Start accepts. Automaton has 37493 states and 54477 transitions. Word has length 120 [2019-09-10 08:08:11,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:08:11,627 INFO L475 AbstractCegarLoop]: Abstraction has 37493 states and 54477 transitions. [2019-09-10 08:08:11,627 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 08:08:11,627 INFO L276 IsEmpty]: Start isEmpty. Operand 37493 states and 54477 transitions. [2019-09-10 08:08:11,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2019-09-10 08:08:11,629 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:08:11,630 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:08:11,630 INFO L418 AbstractCegarLoop]: === Iteration 38 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:08:11,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:08:11,630 INFO L82 PathProgramCache]: Analyzing trace with hash 82630097, now seen corresponding path program 1 times [2019-09-10 08:08:11,630 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:08:11,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:08:11,631 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:08:11,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:08:11,632 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:08:11,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:08:11,699 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:08:11,699 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:08:11,700 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 08:08:11,700 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:08:11,700 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 08:08:11,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 08:08:11,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 08:08:11,701 INFO L87 Difference]: Start difference. First operand 37493 states and 54477 transitions. Second operand 3 states. [2019-09-10 08:08:11,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:08:11,811 INFO L93 Difference]: Finished difference Result 34567 states and 49598 transitions. [2019-09-10 08:08:11,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 08:08:11,812 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120 [2019-09-10 08:08:11,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:08:11,854 INFO L225 Difference]: With dead ends: 34567 [2019-09-10 08:08:11,854 INFO L226 Difference]: Without dead ends: 34567 [2019-09-10 08:08:11,855 INFO L628 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 [2019-09-10 08:08:11,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34567 states. [2019-09-10 08:08:12,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34567 to 26317. [2019-09-10 08:08:12,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26317 states. [2019-09-10 08:08:12,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26317 states to 26317 states and 37715 transitions. [2019-09-10 08:08:12,993 INFO L78 Accepts]: Start accepts. Automaton has 26317 states and 37715 transitions. Word has length 120 [2019-09-10 08:08:12,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:08:12,994 INFO L475 AbstractCegarLoop]: Abstraction has 26317 states and 37715 transitions. [2019-09-10 08:08:12,994 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 08:08:12,994 INFO L276 IsEmpty]: Start isEmpty. Operand 26317 states and 37715 transitions. [2019-09-10 08:08:12,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-09-10 08:08:12,995 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:08:12,995 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:08:12,995 INFO L418 AbstractCegarLoop]: === Iteration 39 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:08:12,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:08:12,996 INFO L82 PathProgramCache]: Analyzing trace with hash 60321822, now seen corresponding path program 1 times [2019-09-10 08:08:12,996 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:08:12,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:08:12,997 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:08:12,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:08:12,997 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:08:13,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:08:13,056 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:08:13,057 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:08:13,057 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 08:08:13,057 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:08:13,057 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 08:08:13,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 08:08:13,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 08:08:13,058 INFO L87 Difference]: Start difference. First operand 26317 states and 37715 transitions. Second operand 3 states. [2019-09-10 08:08:13,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:08:13,188 INFO L93 Difference]: Finished difference Result 49965 states and 70556 transitions. [2019-09-10 08:08:13,188 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 08:08:13,189 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2019-09-10 08:08:13,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:08:13,255 INFO L225 Difference]: With dead ends: 49965 [2019-09-10 08:08:13,255 INFO L226 Difference]: Without dead ends: 49965 [2019-09-10 08:08:13,255 INFO L628 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 [2019-09-10 08:08:13,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49965 states. [2019-09-10 08:08:13,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49965 to 36127. [2019-09-10 08:08:13,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36127 states. [2019-09-10 08:08:13,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36127 states to 36127 states and 51207 transitions. [2019-09-10 08:08:13,679 INFO L78 Accepts]: Start accepts. Automaton has 36127 states and 51207 transitions. Word has length 121 [2019-09-10 08:08:13,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:08:13,680 INFO L475 AbstractCegarLoop]: Abstraction has 36127 states and 51207 transitions. [2019-09-10 08:08:13,680 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 08:08:13,680 INFO L276 IsEmpty]: Start isEmpty. Operand 36127 states and 51207 transitions. [2019-09-10 08:08:13,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2019-09-10 08:08:13,681 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:08:13,681 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:08:13,681 INFO L418 AbstractCegarLoop]: === Iteration 40 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:08:13,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:08:13,682 INFO L82 PathProgramCache]: Analyzing trace with hash 1186364991, now seen corresponding path program 1 times [2019-09-10 08:08:13,682 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:08:13,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:08:13,683 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:08:13,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:08:13,684 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:08:13,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:08:13,739 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:08:13,739 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:08:13,739 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 08:08:13,739 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:08:13,740 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 08:08:13,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 08:08:13,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 08:08:13,740 INFO L87 Difference]: Start difference. First operand 36127 states and 51207 transitions. Second operand 3 states. [2019-09-10 08:08:13,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:08:13,836 INFO L93 Difference]: Finished difference Result 43407 states and 60846 transitions. [2019-09-10 08:08:13,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 08:08:13,837 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2019-09-10 08:08:13,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:08:13,873 INFO L225 Difference]: With dead ends: 43407 [2019-09-10 08:08:13,873 INFO L226 Difference]: Without dead ends: 43407 [2019-09-10 08:08:13,873 INFO L628 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 [2019-09-10 08:08:13,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43407 states. [2019-09-10 08:08:14,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43407 to 35683. [2019-09-10 08:08:14,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35683 states. [2019-09-10 08:08:14,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35683 states to 35683 states and 50078 transitions. [2019-09-10 08:08:14,429 INFO L78 Accepts]: Start accepts. Automaton has 35683 states and 50078 transitions. Word has length 122 [2019-09-10 08:08:14,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:08:14,430 INFO L475 AbstractCegarLoop]: Abstraction has 35683 states and 50078 transitions. [2019-09-10 08:08:14,430 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 08:08:14,430 INFO L276 IsEmpty]: Start isEmpty. Operand 35683 states and 50078 transitions. [2019-09-10 08:08:14,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2019-09-10 08:08:14,431 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:08:14,431 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:08:14,431 INFO L418 AbstractCegarLoop]: === Iteration 41 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:08:14,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:08:14,431 INFO L82 PathProgramCache]: Analyzing trace with hash -970525357, now seen corresponding path program 1 times [2019-09-10 08:08:14,431 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:08:14,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:08:14,432 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:08:14,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:08:14,433 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:08:14,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:08:14,492 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:08:14,492 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:08:14,493 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 08:08:14,493 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:08:14,493 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 08:08:14,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 08:08:14,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 08:08:14,494 INFO L87 Difference]: Start difference. First operand 35683 states and 50078 transitions. Second operand 3 states. [2019-09-10 08:08:14,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:08:14,620 INFO L93 Difference]: Finished difference Result 40350 states and 56201 transitions. [2019-09-10 08:08:14,620 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 08:08:14,620 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 123 [2019-09-10 08:08:14,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:08:14,683 INFO L225 Difference]: With dead ends: 40350 [2019-09-10 08:08:14,683 INFO L226 Difference]: Without dead ends: 40350 [2019-09-10 08:08:14,684 INFO L628 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 [2019-09-10 08:08:14,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40350 states. [2019-09-10 08:08:15,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40350 to 39576. [2019-09-10 08:08:15,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39576 states. [2019-09-10 08:08:15,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39576 states to 39576 states and 55235 transitions. [2019-09-10 08:08:15,189 INFO L78 Accepts]: Start accepts. Automaton has 39576 states and 55235 transitions. Word has length 123 [2019-09-10 08:08:15,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:08:15,190 INFO L475 AbstractCegarLoop]: Abstraction has 39576 states and 55235 transitions. [2019-09-10 08:08:15,190 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 08:08:15,190 INFO L276 IsEmpty]: Start isEmpty. Operand 39576 states and 55235 transitions. [2019-09-10 08:08:15,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-09-10 08:08:15,193 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:08:15,193 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:08:15,194 INFO L418 AbstractCegarLoop]: === Iteration 42 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:08:15,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:08:15,194 INFO L82 PathProgramCache]: Analyzing trace with hash 966565970, now seen corresponding path program 1 times [2019-09-10 08:08:15,194 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:08:15,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:08:15,195 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:08:15,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:08:15,195 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:08:15,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:08:15,258 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-09-10 08:08:15,258 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:08:15,259 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 08:08:15,259 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:08:15,259 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 08:08:15,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 08:08:15,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 08:08:15,260 INFO L87 Difference]: Start difference. First operand 39576 states and 55235 transitions. Second operand 3 states. [2019-09-10 08:08:15,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:08:15,410 INFO L93 Difference]: Finished difference Result 48345 states and 66456 transitions. [2019-09-10 08:08:15,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 08:08:15,411 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2019-09-10 08:08:15,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:08:15,475 INFO L225 Difference]: With dead ends: 48345 [2019-09-10 08:08:15,475 INFO L226 Difference]: Without dead ends: 48345 [2019-09-10 08:08:15,476 INFO L628 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 [2019-09-10 08:08:15,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48345 states. [2019-09-10 08:08:16,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48345 to 45903. [2019-09-10 08:08:16,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45903 states. [2019-09-10 08:08:16,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45903 states to 45903 states and 63527 transitions. [2019-09-10 08:08:16,947 INFO L78 Accepts]: Start accepts. Automaton has 45903 states and 63527 transitions. Word has length 150 [2019-09-10 08:08:16,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:08:16,948 INFO L475 AbstractCegarLoop]: Abstraction has 45903 states and 63527 transitions. [2019-09-10 08:08:16,948 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 08:08:16,948 INFO L276 IsEmpty]: Start isEmpty. Operand 45903 states and 63527 transitions. [2019-09-10 08:08:16,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-09-10 08:08:16,951 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:08:16,951 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:08:16,952 INFO L418 AbstractCegarLoop]: === Iteration 43 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:08:16,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:08:16,952 INFO L82 PathProgramCache]: Analyzing trace with hash 241471334, now seen corresponding path program 1 times [2019-09-10 08:08:16,952 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:08:16,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:08:16,953 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:08:16,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:08:16,953 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:08:16,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:08:17,262 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 10 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:08:17,262 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 08:08:17,262 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 08:08:17,263 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 152 with the following transitions: [2019-09-10 08:08:17,265 INFO L207 CegarAbsIntRunner]: [0], [3], [6], [9], [12], [15], [18], [21], [24], [27], [30], [33], [36], [39], [42], [45], [48], [51], [54], [57], [60], [63], [66], [69], [72], [75], [78], [81], [84], [87], [90], [93], [96], [100], [103], [106], [108], [112], [115], [118], [120], [124], [127], [130], [132], [136], [139], [142], [144], [148], [151], [154], [156], [159], [163], [166], [169], [173], [176], [180], [183], [186], [188], [191], [194], [197], [199], [202], [205], [208], [210], [213], [216], [219], [221], [224], [227], [230], [232], [234], [237], [244], [246], [249], [250], [252], [270], [273], [276], [281], [283], [286], [289], [294], [296], [299], [307], [309], [312], [320], [330], [332], [335], [338], [340], [355], [357], [360], [363], [365], [373], [376], [382], [385], [388], [390], [398], [401], [407], [410], [413], [415], [434], [437], [440], [442], [457], [460], [464], [567], [568], [572], [573], [574] [2019-09-10 08:08:17,318 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 08:08:17,318 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 08:08:17,537 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-10 08:08:18,362 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-10 08:08:18,365 INFO L272 AbstractInterpreter]: Visited 134 different actions 678 times. Merged at 50 different actions 483 times. Widened at 14 different actions 60 times. Performed 2496 root evaluator evaluations with a maximum evaluation depth of 5. Performed 2496 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 56 fixpoints after 12 different actions. Largest state had 151 variables. [2019-09-10 08:08:18,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:08:18,371 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-09-10 08:08:18,371 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 08:08:18,371 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2019-09-10 08:08:18,389 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:08:18,389 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-10 08:08:18,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:08:18,527 INFO L256 TraceCheckSpWp]: Trace formula consists of 947 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-10 08:08:18,541 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-10 08:08:18,597 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:08:18,597 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-09-10 08:08:18,658 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:08:18,671 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-09-10 08:08:18,673 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [12] total 14 [2019-09-10 08:08:18,673 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:08:18,674 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 08:08:18,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 08:08:18,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2019-09-10 08:08:18,675 INFO L87 Difference]: Start difference. First operand 45903 states and 63527 transitions. Second operand 3 states. [2019-09-10 08:08:18,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:08:18,808 INFO L93 Difference]: Finished difference Result 35938 states and 48950 transitions. [2019-09-10 08:08:18,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 08:08:18,808 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 151 [2019-09-10 08:08:18,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:08:18,922 INFO L225 Difference]: With dead ends: 35938 [2019-09-10 08:08:18,923 INFO L226 Difference]: Without dead ends: 35938 [2019-09-10 08:08:18,925 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2019-09-10 08:08:18,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35938 states. [2019-09-10 08:08:19,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35938 to 35324. [2019-09-10 08:08:19,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35324 states. [2019-09-10 08:08:19,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35324 states to 35324 states and 48165 transitions. [2019-09-10 08:08:19,860 INFO L78 Accepts]: Start accepts. Automaton has 35324 states and 48165 transitions. Word has length 151 [2019-09-10 08:08:19,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:08:19,860 INFO L475 AbstractCegarLoop]: Abstraction has 35324 states and 48165 transitions. [2019-09-10 08:08:19,860 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 08:08:19,860 INFO L276 IsEmpty]: Start isEmpty. Operand 35324 states and 48165 transitions. [2019-09-10 08:08:19,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-09-10 08:08:19,871 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:08:19,873 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:08:19,873 INFO L418 AbstractCegarLoop]: === Iteration 44 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:08:19,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:08:19,874 INFO L82 PathProgramCache]: Analyzing trace with hash 1798042182, now seen corresponding path program 1 times [2019-09-10 08:08:19,874 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:08:19,875 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:08:19,876 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:08:19,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:08:19,876 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:08:19,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:08:20,214 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 18 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:08:20,214 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 08:08:20,215 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 08:08:20,215 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 152 with the following transitions: [2019-09-10 08:08:20,218 INFO L207 CegarAbsIntRunner]: [0], [3], [6], [9], [12], [15], [18], [21], [24], [27], [30], [33], [36], [39], [42], [45], [48], [51], [54], [57], [60], [63], [66], [69], [72], [75], [78], [81], [84], [87], [90], [93], [96], [100], [103], [106], [108], [112], [115], [118], [120], [124], [127], [130], [132], [136], [139], [142], [144], [148], [151], [154], [156], [159], [163], [166], [169], [173], [176], [180], [183], [186], [188], [191], [194], [197], [199], [202], [205], [208], [210], [213], [216], [219], [221], [224], [227], [230], [232], [234], [237], [240], [244], [246], [249], [250], [252], [255], [260], [268], [270], [273], [281], [283], [286], [294], [296], [299], [307], [309], [312], [320], [330], [332], [335], [338], [340], [355], [357], [360], [363], [365], [380], [382], [385], [388], [390], [405], [407], [410], [413], [415], [430], [432], [434], [437], [440], [442], [450], [455], [457], [460], [567], [568], [572], [573], [574] [2019-09-10 08:08:20,237 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 08:08:20,238 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 08:08:20,279 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-10 08:08:21,078 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-10 08:08:21,079 INFO L272 AbstractInterpreter]: Visited 137 different actions 832 times. Merged at 52 different actions 596 times. Widened at 21 different actions 87 times. Performed 2864 root evaluator evaluations with a maximum evaluation depth of 7. Performed 2864 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 106 fixpoints after 18 different actions. Largest state had 151 variables. [2019-09-10 08:08:21,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:08:21,080 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-09-10 08:08:21,080 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 08:08:21,080 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2019-09-10 08:08:21,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:08:21,096 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-10 08:08:21,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:08:21,254 INFO L256 TraceCheckSpWp]: Trace formula consists of 943 conjuncts, 22 conjunts are in the unsatisfiable core [2019-09-10 08:08:21,262 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-10 08:08:21,649 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:08:21,816 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:08:22,219 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:08:22,219 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-09-10 08:08:22,566 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:08:22,566 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:08:22,567 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:08:22,567 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:08:22,567 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:08:22,569 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:08:22,570 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:08:22,571 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:08:22,571 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:08:22,572 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:08:22,573 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:08:22,573 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:08:22,574 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:08:22,576 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:08:22,578 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:08:22,578 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:08:22,579 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:08:22,579 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:08:22,580 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:08:22,581 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:08:22,582 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:08:22,583 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:08:22,583 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:08:24,774 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:08:25,265 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (3)] Exception during sending of exit command (exit): Broken pipe [2019-09-10 08:08:25,276 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-09-10 08:08:25,277 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 12] total 30 [2019-09-10 08:08:25,277 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-09-10 08:08:25,277 INFO L454 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-09-10 08:08:25,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-09-10 08:08:25,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=776, Unknown=0, NotChecked=0, Total=870 [2019-09-10 08:08:25,278 INFO L87 Difference]: Start difference. First operand 35324 states and 48165 transitions. Second operand 20 states. [2019-09-10 08:08:25,777 WARN L188 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 52 [2019-09-10 08:08:26,461 WARN L188 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 46 [2019-09-10 08:08:27,205 WARN L188 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2019-09-10 08:08:27,632 WARN L188 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2019-09-10 08:08:28,192 WARN L188 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 63 [2019-09-10 08:08:28,455 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2019-09-10 08:08:28,813 WARN L188 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2019-09-10 08:08:29,107 WARN L188 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 65 [2019-09-10 08:08:29,360 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 63 [2019-09-10 08:08:29,596 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2019-09-10 08:08:30,042 WARN L188 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-09-10 08:08:30,258 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-09-10 08:08:30,699 WARN L188 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 69 [2019-09-10 08:08:30,974 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-09-10 08:08:31,247 WARN L188 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2019-09-10 08:08:31,753 WARN L188 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-09-10 08:08:33,123 WARN L188 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 85 DAG size of output: 72 [2019-09-10 08:08:33,382 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 63 [2019-09-10 08:08:33,747 WARN L188 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 67 [2019-09-10 08:08:34,156 WARN L188 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2019-09-10 08:08:35,034 WARN L188 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 77 [2019-09-10 08:08:35,437 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 82 [2019-09-10 08:08:35,751 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 68 [2019-09-10 08:08:36,039 WARN L188 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2019-09-10 08:08:36,610 WARN L188 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 82 [2019-09-10 08:08:36,897 WARN L188 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2019-09-10 08:08:37,270 WARN L188 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 70 [2019-09-10 08:08:37,647 WARN L188 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 67 [2019-09-10 08:08:38,180 WARN L188 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 72 [2019-09-10 08:08:38,763 WARN L188 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2019-09-10 08:08:39,046 WARN L188 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 70 [2019-09-10 08:08:39,480 WARN L188 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 87 [2019-09-10 08:08:39,862 WARN L188 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 72 [2019-09-10 08:08:40,219 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 77 [2019-09-10 08:08:40,550 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2019-09-10 08:08:40,885 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 75 [2019-09-10 08:08:41,296 WARN L188 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 69 [2019-09-10 08:08:41,714 WARN L188 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 74 [2019-09-10 08:08:42,517 WARN L188 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 72 [2019-09-10 08:08:42,929 WARN L188 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 87 [2019-09-10 08:08:43,268 WARN L188 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 77 [2019-09-10 08:08:43,538 WARN L188 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 69 [2019-09-10 08:08:44,173 WARN L188 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 74 [2019-09-10 08:08:44,701 WARN L188 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 66 [2019-09-10 08:08:45,122 WARN L188 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 81 [2019-09-10 08:08:45,405 WARN L188 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2019-09-10 08:08:45,717 WARN L188 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 63 [2019-09-10 08:08:46,100 WARN L188 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2019-09-10 08:08:46,672 WARN L188 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2019-09-10 08:08:48,913 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 82 [2019-09-10 08:08:49,385 WARN L188 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 82 [2019-09-10 08:08:49,939 WARN L188 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2019-09-10 08:08:50,526 WARN L188 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2019-09-10 08:08:50,835 WARN L188 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2019-09-10 08:08:51,664 WARN L188 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 82 [2019-09-10 08:08:52,155 WARN L188 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 82 [2019-09-10 08:08:52,770 WARN L188 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 82 [2019-09-10 08:08:53,348 WARN L188 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 82 [2019-09-10 08:08:53,668 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2019-09-10 08:08:53,982 WARN L188 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2019-09-10 08:08:54,305 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2019-09-10 08:08:54,624 WARN L188 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2019-09-10 08:08:54,900 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 67 [2019-09-10 08:08:55,596 WARN L188 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 82 [2019-09-10 08:08:56,179 WARN L188 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 91 [2019-09-10 08:08:56,639 WARN L188 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 79 [2019-09-10 08:08:57,068 WARN L188 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 91 [2019-09-10 08:08:57,408 WARN L188 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 79 [2019-09-10 08:08:57,742 WARN L188 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 79 [2019-09-10 08:08:58,012 WARN L188 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 72 [2019-09-10 08:08:58,483 WARN L188 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 87 [2019-09-10 08:08:58,905 WARN L188 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 87 [2019-09-10 08:08:59,209 WARN L188 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2019-09-10 08:08:59,547 WARN L188 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2019-09-10 08:08:59,894 WARN L188 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-10 08:09:00,219 WARN L188 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2019-09-10 08:09:00,665 WARN L188 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2019-09-10 08:09:01,267 WARN L188 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2019-09-10 08:09:01,600 WARN L188 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2019-09-10 08:09:02,021 WARN L188 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 75 [2019-09-10 08:09:02,256 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2019-09-10 08:09:02,490 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 61 [2019-09-10 08:09:02,708 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-09-10 08:09:03,098 WARN L188 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 77 [2019-09-10 08:09:03,571 WARN L188 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 86 [2019-09-10 08:09:04,172 WARN L188 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 74 [2019-09-10 08:09:04,534 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 83 [2019-09-10 08:09:04,806 WARN L188 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 69 [2019-09-10 08:09:05,473 WARN L188 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 84 [2019-09-10 08:09:05,744 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 66 [2019-09-10 08:09:06,255 WARN L188 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 84 [2019-09-10 08:09:06,722 WARN L188 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 82 [2019-09-10 08:09:07,443 WARN L188 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 79 [2019-09-10 08:09:08,286 WARN L188 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 76 [2019-09-10 08:09:08,645 WARN L188 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-10 08:09:08,906 WARN L188 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 68 [2019-09-10 08:09:09,246 WARN L188 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 77 [2019-09-10 08:09:09,487 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-09-10 08:09:09,832 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 81 [2019-09-10 08:09:10,149 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2019-09-10 08:09:10,422 WARN L188 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2019-09-10 08:09:10,697 WARN L188 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 70 [2019-09-10 08:09:11,283 WARN L188 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2019-09-10 08:09:11,640 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 63 [2019-09-10 08:09:11,970 WARN L188 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2019-09-10 08:09:12,271 WARN L188 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 77 [2019-09-10 08:09:12,597 WARN L188 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 74 [2019-09-10 08:09:12,937 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 79 [2019-09-10 08:09:13,447 WARN L188 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 76 [2019-09-10 08:09:13,836 WARN L188 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-09-10 08:09:14,283 WARN L188 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 80 [2019-09-10 08:09:14,611 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 68 [2019-09-10 08:09:14,928 WARN L188 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 76 [2019-09-10 08:09:15,215 WARN L188 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2019-09-10 08:09:15,580 WARN L188 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-10 08:09:15,941 WARN L188 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2019-09-10 08:09:16,399 WARN L188 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 74 [2019-09-10 08:09:16,719 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2019-09-10 08:09:17,148 WARN L188 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-09-10 08:09:17,692 WARN L188 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 68 [2019-09-10 08:09:17,997 WARN L188 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 77 [2019-09-10 08:09:18,648 WARN L188 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2019-09-10 08:09:18,940 WARN L188 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 68 [2019-09-10 08:09:19,276 WARN L188 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 77 [2019-09-10 08:09:19,581 WARN L188 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-09-10 08:09:20,069 WARN L188 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 72 [2019-09-10 08:09:20,513 WARN L188 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 74 [2019-09-10 08:09:20,832 WARN L188 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 68 [2019-09-10 08:09:21,231 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-09-10 08:09:21,652 WARN L188 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 69 [2019-09-10 08:09:22,131 WARN L188 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 63 [2019-09-10 08:09:22,660 WARN L188 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 63 [2019-09-10 08:09:23,045 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-09-10 08:09:23,370 WARN L188 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 74 [2019-09-10 08:09:23,940 WARN L188 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 64 [2019-09-10 08:09:24,385 WARN L188 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 80 [2019-09-10 08:09:24,742 WARN L188 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 69 [2019-09-10 08:09:25,107 WARN L188 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 79 [2019-09-10 08:09:25,408 WARN L188 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-09-10 08:09:25,686 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 69 [2019-09-10 08:09:26,050 WARN L188 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-09-10 08:09:26,398 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 68 [2019-09-10 08:09:26,851 WARN L188 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2019-09-10 08:09:27,506 WARN L188 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-09-10 08:09:27,818 WARN L188 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 75 [2019-09-10 08:09:28,307 WARN L188 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 85 [2019-09-10 08:09:28,564 WARN L188 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-09-10 08:09:28,961 WARN L188 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 76 [2019-09-10 08:09:29,528 WARN L188 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 75 [2019-09-10 08:09:29,769 WARN L188 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-09-10 08:09:30,100 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-09-10 08:09:30,520 WARN L188 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 76 [2019-09-10 08:09:30,766 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 63 [2019-09-10 08:09:31,053 WARN L188 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2019-09-10 08:09:31,476 WARN L188 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 72 [2019-09-10 08:09:31,834 WARN L188 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 82 [2019-09-10 08:09:35,116 WARN L188 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 77 [2019-09-10 08:09:35,564 WARN L188 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 68 [2019-09-10 08:09:36,044 WARN L188 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 65 [2019-09-10 08:09:36,459 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 77 [2019-09-10 08:09:36,999 WARN L188 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 80 [2019-09-10 08:09:37,448 WARN L188 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 77 [2019-09-10 08:09:37,873 WARN L188 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 86 [2019-09-10 08:09:38,153 WARN L188 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 68 [2019-09-10 08:09:38,642 WARN L188 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2019-09-10 08:09:39,031 WARN L188 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 68 [2019-09-10 08:09:39,476 WARN L188 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 65 [2019-09-10 08:09:39,822 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 72 [2019-09-10 08:09:40,289 WARN L188 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 77 [2019-09-10 08:09:40,718 WARN L188 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 85 [2019-09-10 08:09:41,183 WARN L188 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 80 [2019-09-10 08:09:41,556 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 74 [2019-09-10 08:09:41,939 WARN L188 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2019-09-10 08:09:42,390 WARN L188 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 85 [2019-09-10 08:09:42,689 WARN L188 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 76 [2019-09-10 08:09:43,524 WARN L188 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 80 [2019-09-10 08:09:44,514 WARN L188 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 89 [2019-09-10 08:09:44,933 WARN L188 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2019-09-10 08:09:45,259 WARN L188 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2019-09-10 08:09:45,566 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 68 [2019-09-10 08:09:45,908 WARN L188 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 75 [2019-09-10 08:09:46,793 WARN L188 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 75 [2019-09-10 08:09:47,284 WARN L188 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 80 [2019-09-10 08:09:47,684 WARN L188 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 77 [2019-09-10 08:09:48,467 WARN L188 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 77 [2019-09-10 08:09:48,990 WARN L188 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2019-09-10 08:09:49,371 WARN L188 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 90 [2019-09-10 08:09:49,747 WARN L188 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 85 [2019-09-10 08:09:50,049 WARN L188 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 65 [2019-09-10 08:09:50,335 WARN L188 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 75 [2019-09-10 08:09:50,754 WARN L188 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 74 [2019-09-10 08:09:51,207 WARN L188 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 80 [2019-09-10 08:09:51,558 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 80 [2019-09-10 08:09:52,012 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 82 [2019-09-10 08:09:52,409 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2019-09-10 08:09:52,756 WARN L188 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2019-09-10 08:09:53,336 WARN L188 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 72 [2019-09-10 08:09:53,682 WARN L188 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 77 [2019-09-10 08:09:54,166 WARN L188 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 77 [2019-09-10 08:09:56,862 WARN L188 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 91 DAG size of output: 77 [2019-09-10 08:09:57,342 WARN L188 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 74 [2019-09-10 08:09:58,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:09:58,311 INFO L93 Difference]: Finished difference Result 548562 states and 740001 transitions. [2019-09-10 08:09:58,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2019-09-10 08:09:58,312 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 151 [2019-09-10 08:09:58,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:10:02,744 INFO L225 Difference]: With dead ends: 548562 [2019-09-10 08:10:02,744 INFO L226 Difference]: Without dead ends: 548562 [2019-09-10 08:10:02,752 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 516 GetRequests, 254 SyntacticMatches, 30 SemanticMatches, 232 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20922 ImplicationChecksByTransitivity, 83.4s TimeCoverageRelationStatistics Valid=8691, Invalid=45831, Unknown=0, NotChecked=0, Total=54522 [2019-09-10 08:10:03,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548562 states. [2019-09-10 08:10:06,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548562 to 174210. [2019-09-10 08:10:06,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174210 states. [2019-09-10 08:10:07,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174210 states to 174210 states and 236544 transitions. [2019-09-10 08:10:07,116 INFO L78 Accepts]: Start accepts. Automaton has 174210 states and 236544 transitions. Word has length 151 [2019-09-10 08:10:07,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:10:07,116 INFO L475 AbstractCegarLoop]: Abstraction has 174210 states and 236544 transitions. [2019-09-10 08:10:07,116 INFO L476 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-09-10 08:10:07,116 INFO L276 IsEmpty]: Start isEmpty. Operand 174210 states and 236544 transitions. [2019-09-10 08:10:07,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-09-10 08:10:07,128 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:10:07,128 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:10:07,129 INFO L418 AbstractCegarLoop]: === Iteration 45 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:10:07,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:10:07,129 INFO L82 PathProgramCache]: Analyzing trace with hash -709907378, now seen corresponding path program 1 times [2019-09-10 08:10:07,129 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:10:07,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:10:07,130 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:10:07,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:10:07,131 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:10:07,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:10:07,580 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:10:07,581 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 08:10:07,581 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 08:10:07,581 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 153 with the following transitions: [2019-09-10 08:10:07,582 INFO L207 CegarAbsIntRunner]: [0], [3], [6], [9], [12], [15], [18], [21], [24], [27], [30], [33], [36], [39], [42], [45], [48], [51], [54], [57], [60], [63], [66], [69], [72], [75], [78], [81], [84], [87], [90], [93], [96], [100], [103], [106], [108], [112], [115], [118], [120], [124], [127], [130], [132], [136], [139], [142], [144], [148], [151], [154], [156], [159], [163], [166], [169], [173], [176], [180], [183], [186], [188], [191], [194], [197], [199], [202], [205], [208], [210], [213], [216], [219], [221], [224], [227], [230], [232], [234], [237], [244], [246], [249], [250], [252], [255], [260], [263], [268], [270], [273], [276], [281], [283], [286], [294], [296], [299], [307], [309], [312], [320], [330], [332], [335], [338], [340], [355], [357], [360], [363], [365], [380], [382], [385], [388], [390], [398], [401], [407], [410], [413], [415], [423], [426], [432], [434], [437], [440], [442], [457], [460], [464], [567], [568], [572], [573], [574] [2019-09-10 08:10:07,588 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 08:10:07,589 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 08:10:07,643 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-10 08:10:08,166 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-10 08:10:08,167 INFO L272 AbstractInterpreter]: Visited 139 different actions 705 times. Merged at 55 different actions 494 times. Widened at 17 different actions 68 times. Performed 2449 root evaluator evaluations with a maximum evaluation depth of 5. Performed 2449 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 64 fixpoints after 17 different actions. Largest state had 151 variables. [2019-09-10 08:10:08,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:10:08,167 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-09-10 08:10:08,167 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 08:10:08,167 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-10 08:10:08,185 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:10:08,185 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-09-10 08:10:08,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:10:08,321 INFO L256 TraceCheckSpWp]: Trace formula consists of 948 conjuncts, 22 conjunts are in the unsatisfiable core [2019-09-10 08:10:08,336 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-10 08:10:08,593 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:10:08,699 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:10:08,999 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:10:08,999 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-09-10 08:10:09,350 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:10:09,351 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:10:09,351 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:10:09,351 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:10:09,352 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:10:09,352 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:10:09,353 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:10:09,353 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:10:09,354 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:10:09,354 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:10:09,355 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:10:09,355 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:10:09,356 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:10:09,356 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:10:09,357 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:10:09,357 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:10:09,358 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:10:09,358 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:10:09,359 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:10:09,359 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:10:09,359 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:10:09,362 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:10:09,363 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:10:09,364 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:10:10,830 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:10:10,993 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:10:11,003 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-09-10 08:10:11,004 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 12, 12] total 37 [2019-09-10 08:10:11,004 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-09-10 08:10:11,004 INFO L454 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-09-10 08:10:11,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-09-10 08:10:11,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=1213, Unknown=0, NotChecked=0, Total=1332 [2019-09-10 08:10:11,005 INFO L87 Difference]: Start difference. First operand 174210 states and 236544 transitions. Second operand 27 states. [2019-09-10 08:10:11,269 WARN L188 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 52 [2019-09-10 08:10:12,564 WARN L188 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2019-09-10 08:10:13,059 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 66 [2019-09-10 08:10:13,457 WARN L188 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2019-09-10 08:10:13,794 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-10 08:10:14,066 WARN L188 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-10 08:10:14,536 WARN L188 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 69 [2019-09-10 08:10:15,108 WARN L188 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 78 [2019-09-10 08:10:15,555 WARN L188 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2019-09-10 08:10:16,405 WARN L188 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 83 [2019-09-10 08:10:16,938 WARN L188 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-10 08:10:17,555 WARN L188 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2019-09-10 08:10:17,945 WARN L188 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 80 [2019-09-10 08:10:18,904 WARN L188 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2019-09-10 08:10:19,321 WARN L188 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 80 [2019-09-10 08:10:19,648 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-10 08:10:20,231 WARN L188 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2019-09-10 08:10:20,524 WARN L188 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2019-09-10 08:10:20,815 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 79 [2019-09-10 08:10:21,669 WARN L188 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2019-09-10 08:10:22,007 WARN L188 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 80 [2019-09-10 08:10:22,306 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 79 [2019-09-10 08:10:22,685 WARN L188 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 75 [2019-09-10 08:10:23,000 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-09-10 08:10:23,373 WARN L188 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-09-10 08:10:23,747 WARN L188 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-10 08:10:24,443 WARN L188 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2019-09-10 08:10:24,774 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-10 08:10:25,084 WARN L188 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-09-10 08:10:25,678 WARN L188 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2019-09-10 08:10:26,074 WARN L188 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-09-10 08:10:26,512 WARN L188 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2019-09-10 08:10:27,243 WARN L188 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2019-09-10 08:10:27,883 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2019-09-10 08:10:28,293 WARN L188 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2019-09-10 08:10:29,284 WARN L188 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 97 [2019-09-10 08:10:29,783 WARN L188 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-09-10 08:10:30,441 WARN L188 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 97 [2019-09-10 08:10:30,815 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2019-09-10 08:10:31,179 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 93 [2019-09-10 08:10:31,887 WARN L188 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 96 [2019-09-10 08:10:34,057 WARN L188 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 101 [2019-09-10 08:10:34,526 WARN L188 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 86 [2019-09-10 08:10:34,946 WARN L188 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 91 [2019-09-10 08:10:35,555 WARN L188 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2019-09-10 08:10:36,052 WARN L188 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 101 [2019-09-10 08:10:36,427 WARN L188 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2019-09-10 08:10:36,776 WARN L188 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-09-10 08:10:37,064 WARN L188 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2019-09-10 08:10:37,554 WARN L188 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2019-09-10 08:10:38,234 WARN L188 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2019-09-10 08:10:38,703 WARN L188 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2019-09-10 08:10:41,061 WARN L188 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2019-09-10 08:10:41,663 WARN L188 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2019-09-10 08:10:42,039 WARN L188 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2019-09-10 08:10:42,422 WARN L188 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2019-09-10 08:10:42,724 WARN L188 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-09-10 08:10:43,081 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-09-10 08:10:43,439 WARN L188 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2019-09-10 08:10:43,826 WARN L188 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2019-09-10 08:10:44,233 WARN L188 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2019-09-10 08:10:44,644 WARN L188 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2019-09-10 08:10:45,001 WARN L188 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 76 [2019-09-10 08:10:45,600 WARN L188 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2019-09-10 08:10:46,035 WARN L188 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2019-09-10 08:10:46,373 WARN L188 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2019-09-10 08:10:46,661 WARN L188 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-09-10 08:10:47,030 WARN L188 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 76 [2019-09-10 08:10:47,472 WARN L188 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2019-09-10 08:10:48,210 WARN L188 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 104 [2019-09-10 08:10:48,668 WARN L188 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 89 [2019-09-10 08:10:49,730 WARN L188 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2019-09-10 08:10:50,263 WARN L188 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 94 [2019-09-10 08:10:50,779 WARN L188 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2019-09-10 08:10:51,182 WARN L188 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 92 [2019-09-10 08:10:51,789 WARN L188 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 98 [2019-09-10 08:10:52,345 WARN L188 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 102 [2019-09-10 08:10:52,785 WARN L188 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 98 [2019-09-10 08:10:53,431 WARN L188 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 95 [2019-09-10 08:10:53,781 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 83 [2019-09-10 08:10:54,342 WARN L188 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 87 [2019-09-10 08:10:54,947 WARN L188 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 83 [2019-09-10 08:10:55,580 WARN L188 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 88 [2019-09-10 08:10:56,028 WARN L188 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 92 [2019-09-10 08:10:56,626 WARN L188 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 88 [2019-09-10 08:10:57,077 WARN L188 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 98 [2019-09-10 08:10:57,481 WARN L188 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 95 [2019-09-10 08:10:58,146 WARN L188 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 83 [2019-09-10 08:10:58,549 WARN L188 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2019-09-10 08:10:58,901 WARN L188 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2019-09-10 08:10:59,599 WARN L188 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-10 08:11:00,252 WARN L188 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 93 [2019-09-10 08:11:00,897 WARN L188 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 99 [2019-09-10 08:11:01,340 WARN L188 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 93 [2019-09-10 08:11:01,943 WARN L188 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2019-09-10 08:11:02,453 WARN L188 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 97 [2019-09-10 08:11:02,869 WARN L188 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2019-09-10 08:11:03,636 WARN L188 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 93 [2019-09-10 08:11:04,130 WARN L188 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2019-09-10 08:11:04,643 WARN L188 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2019-09-10 08:11:05,163 WARN L188 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 93 [2019-09-10 08:11:05,854 WARN L188 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 99 [2019-09-10 08:11:06,892 WARN L188 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 93 [2019-09-10 08:11:07,501 WARN L188 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2019-09-10 08:11:08,096 WARN L188 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 93 [2019-09-10 08:11:08,505 WARN L188 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2019-09-10 08:11:09,346 WARN L188 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 102 [2019-09-10 08:11:09,936 WARN L188 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 99 [2019-09-10 08:11:10,610 WARN L188 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 93 [2019-09-10 08:11:11,406 WARN L188 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 97 [2019-09-10 08:11:12,080 WARN L188 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 108 [2019-09-10 08:11:12,453 WARN L188 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2019-09-10 08:11:12,968 WARN L188 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 102 [2019-09-10 08:11:13,916 WARN L188 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 93 [2019-09-10 08:11:14,291 WARN L188 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2019-09-10 08:11:14,776 WARN L188 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2019-09-10 08:11:15,379 WARN L188 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2019-09-10 08:11:15,858 WARN L188 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 98 [2019-09-10 08:11:16,289 WARN L188 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 99 [2019-09-10 08:11:17,096 WARN L188 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 97 [2019-09-10 08:11:17,571 WARN L188 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 104 [2019-09-10 08:11:18,066 WARN L188 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2019-09-10 08:11:18,629 WARN L188 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 98 [2019-09-10 08:11:19,282 WARN L188 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 106 [2019-09-10 08:11:19,833 WARN L188 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 99 [2019-09-10 08:11:20,286 WARN L188 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 93 [2019-09-10 08:11:20,647 WARN L188 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2019-09-10 08:11:21,115 WARN L188 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 102 [2019-09-10 08:11:21,464 WARN L188 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2019-09-10 08:11:21,861 WARN L188 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2019-09-10 08:11:22,274 WARN L188 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 96 [2019-09-10 08:11:22,782 WARN L188 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 99 [2019-09-10 08:11:23,221 WARN L188 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2019-09-10 08:11:23,635 WARN L188 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 93 [2019-09-10 08:11:24,656 WARN L188 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 102 [2019-09-10 08:11:25,113 WARN L188 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 98 [2019-09-10 08:11:25,742 WARN L188 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 102 [2019-09-10 08:11:26,145 WARN L188 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2019-09-10 08:11:26,645 WARN L188 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 99 [2019-09-10 08:11:27,236 WARN L188 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 108 [2019-09-10 08:11:27,740 WARN L188 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 93 [2019-09-10 08:11:28,300 WARN L188 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 102 [2019-09-10 08:11:29,295 WARN L188 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 104 [2019-09-10 08:11:29,721 WARN L188 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 98 [2019-09-10 08:11:30,105 WARN L188 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2019-09-10 08:11:30,930 WARN L188 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 98 [2019-09-10 08:11:31,474 WARN L188 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 99 [2019-09-10 08:11:32,056 WARN L188 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 98 [2019-09-10 08:11:32,477 WARN L188 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 92 [2019-09-10 08:11:33,019 WARN L188 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 95 [2019-09-10 08:11:33,424 WARN L188 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 92 [2019-09-10 08:11:33,846 WARN L188 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 95 [2019-09-10 08:11:34,266 WARN L188 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2019-09-10 08:11:34,742 WARN L188 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 99 [2019-09-10 08:11:35,155 WARN L188 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 93 [2019-09-10 08:11:35,832 WARN L188 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2019-09-10 08:11:36,541 WARN L188 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 97 [2019-09-10 08:11:37,096 WARN L188 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 106 [2019-09-10 08:11:38,038 WARN L188 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 99 [2019-09-10 08:11:38,443 WARN L188 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2019-09-10 08:11:39,027 WARN L188 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 99 [2019-09-10 08:11:39,475 WARN L188 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 93 [2019-09-10 08:11:40,366 WARN L188 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 102 [2019-09-10 08:11:40,791 WARN L188 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2019-09-10 08:11:41,249 WARN L188 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 95 [2019-09-10 08:11:41,660 WARN L188 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 95 [2019-09-10 08:11:42,058 WARN L188 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 93 [2019-09-10 08:11:43,156 WARN L188 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 102 [2019-09-10 08:11:43,536 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2019-09-10 08:11:43,967 WARN L188 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 96 [2019-09-10 08:11:44,456 WARN L188 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2019-09-10 08:11:46,458 WARN L188 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 105 DAG size of output: 99 [2019-09-10 08:11:46,964 WARN L188 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2019-09-10 08:11:47,698 WARN L188 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 97 [2019-09-10 08:11:48,284 WARN L188 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2019-09-10 08:11:48,930 WARN L188 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2019-09-10 08:11:49,373 WARN L188 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 99 [2019-09-10 08:11:49,792 WARN L188 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 93 [2019-09-10 08:11:50,605 WARN L188 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2019-09-10 08:11:51,126 WARN L188 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2019-09-10 08:11:55,233 WARN L188 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2019-09-10 08:12:04,034 WARN L188 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2019-09-10 08:12:04,908 WARN L188 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 100 [2019-09-10 08:12:05,524 WARN L188 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2019-09-10 08:12:06,057 WARN L188 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2019-09-10 08:12:06,644 WARN L188 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 104 [2019-09-10 08:12:07,129 WARN L188 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 104 [2019-09-10 08:12:07,678 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2019-09-10 08:12:08,314 WARN L188 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 100 [2019-09-10 08:12:08,768 WARN L188 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 100 [2019-09-10 08:12:11,221 WARN L188 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2019-09-10 08:12:11,967 WARN L188 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2019-09-10 08:12:13,049 WARN L188 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 80 [2019-09-10 08:12:13,811 WARN L188 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 86 [2019-09-10 08:12:14,551 WARN L188 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2019-09-10 08:12:15,126 WARN L188 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2019-09-10 08:12:15,574 WARN L188 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2019-09-10 08:12:16,137 WARN L188 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 99 [2019-09-10 08:12:16,799 WARN L188 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 99 [2019-09-10 08:12:17,478 WARN L188 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2019-09-10 08:12:20,057 WARN L188 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2019-09-10 08:12:20,550 WARN L188 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2019-09-10 08:12:21,799 WARN L188 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 101 [2019-09-10 08:12:22,540 WARN L188 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 96 [2019-09-10 08:12:23,229 WARN L188 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 96 [2019-09-10 08:12:23,951 WARN L188 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 105 [2019-09-10 08:12:24,939 WARN L188 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 105 [2019-09-10 08:12:25,957 WARN L188 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 91 [2019-09-10 08:12:26,503 WARN L188 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 101 [2019-09-10 08:12:27,003 WARN L188 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 101 [2019-09-10 08:12:27,695 WARN L188 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 77 [2019-09-10 08:12:28,229 WARN L188 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 78 [2019-09-10 08:12:28,944 WARN L188 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 84 [2019-09-10 08:12:29,354 WARN L188 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 88 [2019-09-10 08:12:30,003 WARN L188 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 84 [2019-09-10 08:12:30,631 WARN L188 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 92 [2019-09-10 08:12:31,206 WARN L188 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 97 [2019-09-10 08:12:31,771 WARN L188 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 93 [2019-09-10 08:12:32,148 WARN L188 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 87 [2019-09-10 08:12:32,677 WARN L188 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 87 [2019-09-10 08:12:33,169 WARN L188 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 96 [2019-09-10 08:12:33,772 WARN L188 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 96 [2019-09-10 08:12:34,678 WARN L188 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2019-09-10 08:12:35,214 WARN L188 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 88 [2019-09-10 08:12:36,029 WARN L188 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-10 08:12:36,449 WARN L188 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 88 [2019-09-10 08:12:37,436 WARN L188 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2019-09-10 08:12:37,973 WARN L188 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2019-09-10 08:12:38,554 WARN L188 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 101 [2019-09-10 08:12:38,998 WARN L188 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 97 [2019-09-10 08:12:39,593 WARN L188 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 97 [2019-09-10 08:12:39,943 WARN L188 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 82 [2019-09-10 08:12:40,735 WARN L188 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 83 [2019-09-10 08:12:41,324 WARN L188 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 92 [2019-09-10 08:12:41,719 WARN L188 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 92 [2019-09-10 08:12:42,426 WARN L188 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 97 [2019-09-10 08:12:42,928 WARN L188 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 93 [2019-09-10 08:12:43,360 WARN L188 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 93 [2019-09-10 08:12:43,922 WARN L188 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 99 [2019-09-10 08:12:44,529 WARN L188 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 103 [2019-09-10 08:12:45,106 WARN L188 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 99 [2019-09-10 08:12:45,713 WARN L188 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 97 [2019-09-10 08:12:46,489 WARN L188 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 94 [2019-09-10 08:12:47,217 WARN L188 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 94 [2019-09-10 08:12:47,878 WARN L188 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 103 [2019-09-10 08:12:48,676 WARN L188 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 103 [2019-09-10 08:12:49,364 WARN L188 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 98 [2019-09-10 08:12:49,917 WARN L188 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 93 [2019-09-10 08:12:50,565 WARN L188 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 96 [2019-09-10 08:12:51,115 WARN L188 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 96 [2019-09-10 08:12:51,881 WARN L188 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 107 [2019-09-10 08:12:52,587 WARN L188 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 94 [2019-09-10 08:12:53,026 WARN L188 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 94 [2019-09-10 08:12:53,546 WARN L188 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 103 [2019-09-10 08:12:54,072 WARN L188 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 103 [2019-09-10 08:12:54,586 WARN L188 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2019-09-10 08:12:55,290 WARN L188 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-10 08:12:56,128 WARN L188 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 101 [2019-09-10 08:12:56,823 WARN L188 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 89 [2019-09-10 08:12:57,495 WARN L188 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 93 [2019-09-10 08:12:58,403 WARN L188 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 89 [2019-09-10 08:12:59,100 WARN L188 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 99 [2019-09-10 08:12:59,760 WARN L188 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 99 [2019-09-10 08:13:00,342 WARN L188 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 103 [2019-09-10 08:13:01,003 WARN L188 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 98 [2019-09-10 08:13:01,620 WARN L188 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 99 [2019-09-10 08:13:02,197 WARN L188 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 99 [2019-09-10 08:13:02,610 WARN L188 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 97 [2019-09-10 08:13:03,095 WARN L188 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2019-09-10 08:13:03,493 WARN L188 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 72 [2019-09-10 08:13:03,820 WARN L188 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 75 [2019-09-10 08:13:04,296 WARN L188 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 83 [2019-09-10 08:13:04,858 WARN L188 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 96 [2019-09-10 08:13:05,294 WARN L188 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 93 [2019-09-10 08:13:05,892 WARN L188 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 93 [2019-09-10 08:13:06,282 WARN L188 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2019-09-10 08:13:06,769 WARN L188 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2019-09-10 08:13:07,178 WARN L188 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 90 [2019-09-10 08:13:07,582 WARN L188 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2019-09-10 08:13:08,292 WARN L188 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2019-09-10 08:13:08,814 WARN L188 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2019-09-10 08:13:09,220 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 93 [2019-09-10 08:13:09,653 WARN L188 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2019-09-10 08:13:10,213 WARN L188 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2019-09-10 08:13:10,655 WARN L188 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 75 [2019-09-10 08:13:10,961 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 79 [2019-09-10 08:13:11,966 WARN L188 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 85 [2019-09-10 08:13:12,419 WARN L188 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 80 [2019-09-10 08:13:12,756 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 78 [2019-09-10 08:13:13,239 WARN L188 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 94 [2019-09-10 08:13:13,622 WARN L188 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2019-09-10 08:13:14,215 WARN L188 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 94 [2019-09-10 08:13:14,676 WARN L188 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2019-09-10 08:13:15,173 WARN L188 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2019-09-10 08:13:15,523 WARN L188 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2019-09-10 08:13:15,862 WARN L188 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2019-09-10 08:13:16,520 WARN L188 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 87 [2019-09-10 08:13:16,931 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 87 [2019-09-10 08:13:17,333 WARN L188 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 98 [2019-09-10 08:13:18,450 WARN L188 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 94 [2019-09-10 08:13:19,226 WARN L188 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 94 [2019-09-10 08:13:20,373 WARN L188 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2019-09-10 08:13:21,053 WARN L188 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-10 08:13:21,480 WARN L188 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2019-09-10 08:13:22,175 WARN L188 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2019-09-10 08:13:22,532 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2019-09-10 08:13:22,905 WARN L188 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 88 [2019-09-10 08:13:23,403 WARN L188 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 88 [2019-09-10 08:13:23,822 WARN L188 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 98 [2019-09-10 08:13:24,311 WARN L188 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 96 [2019-09-10 08:13:24,870 WARN L188 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 80 [2019-09-10 08:13:25,199 WARN L188 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2019-09-10 08:13:25,607 WARN L188 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 94 [2019-09-10 08:13:26,002 WARN L188 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2019-09-10 08:13:26,444 WARN L188 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2019-09-10 08:13:26,930 WARN L188 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2019-09-10 08:13:27,369 WARN L188 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 94 [2019-09-10 08:13:27,854 WARN L188 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2019-09-10 08:13:28,244 WARN L188 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2019-09-10 08:13:28,617 WARN L188 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-10 08:13:29,512 WARN L188 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 100 [2019-09-10 08:13:30,084 WARN L188 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2019-09-10 08:13:30,500 WARN L188 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 94 [2019-09-10 08:13:30,948 WARN L188 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 93 [2019-09-10 08:13:31,343 WARN L188 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 96 [2019-09-10 08:13:31,794 WARN L188 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 91 [2019-09-10 08:13:32,400 WARN L188 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 94 [2019-09-10 08:13:33,169 WARN L188 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 94 [2019-09-10 08:13:33,666 WARN L188 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 105 [2019-09-10 08:13:34,152 WARN L188 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 95 [2019-09-10 08:13:34,539 WARN L188 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2019-09-10 08:13:35,059 WARN L188 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 90 [2019-09-10 08:13:35,453 WARN L188 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2019-09-10 08:13:35,974 WARN L188 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 98 [2019-09-10 08:13:36,454 WARN L188 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 104 [2019-09-10 08:13:36,914 WARN L188 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 99 [2019-09-10 08:13:37,388 WARN L188 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 99 [2019-09-10 08:13:37,862 WARN L188 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2019-09-10 08:13:38,380 WARN L188 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2019-09-10 08:13:39,220 WARN L188 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 94 [2019-09-10 08:13:39,962 WARN L188 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 94 [2019-09-10 08:13:40,358 WARN L188 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 98 [2019-09-10 08:13:40,784 WARN L188 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 88 [2019-09-10 08:13:41,255 WARN L188 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 88 [2019-09-10 08:13:41,630 WARN L188 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2019-09-10 08:13:42,164 WARN L188 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 97 [2019-09-10 08:13:42,619 WARN L188 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 97 [2019-09-10 08:13:43,440 WARN L188 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 90 [2019-09-10 08:13:43,914 WARN L188 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2019-09-10 08:13:44,273 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 83 [2019-09-10 08:13:44,738 WARN L188 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 101 [2019-09-10 08:13:45,299 WARN L188 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 96 [2019-09-10 08:13:45,755 WARN L188 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 100 [2019-09-10 08:13:46,228 WARN L188 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2019-09-10 08:13:46,845 WARN L188 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 95 [2019-09-10 08:13:47,257 WARN L188 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2019-09-10 08:13:47,691 WARN L188 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 94 [2019-09-10 08:13:48,232 WARN L188 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2019-09-10 08:13:48,673 WARN L188 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 93 [2019-09-10 08:13:49,100 WARN L188 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 93 [2019-09-10 08:13:49,387 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 75 [2019-09-10 08:13:49,696 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 70 [2019-09-10 08:13:50,021 WARN L188 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2019-09-10 08:13:50,555 WARN L188 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 96 [2019-09-10 08:13:51,214 WARN L188 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 93 [2019-09-10 08:13:51,635 WARN L188 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 93 [2019-09-10 08:13:52,037 WARN L188 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2019-09-10 08:13:54,433 WARN L188 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-09-10 08:13:54,828 WARN L188 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2019-09-10 08:13:55,208 WARN L188 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2019-09-10 08:13:55,558 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2019-09-10 08:13:55,938 WARN L188 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2019-09-10 08:13:56,329 WARN L188 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2019-09-10 08:13:56,867 WARN L188 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2019-09-10 08:13:57,365 WARN L188 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2019-09-10 08:13:57,809 WARN L188 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 100 [2019-09-10 08:13:58,263 WARN L188 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 97 [2019-09-10 08:13:58,760 WARN L188 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 97 [2019-09-10 08:13:59,071 WARN L188 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 75 [2019-09-10 08:13:59,840 WARN L188 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 90 [2019-09-10 08:14:00,340 WARN L188 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2019-09-10 08:14:00,954 WARN L188 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 93 [2019-09-10 08:14:01,462 WARN L188 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2019-09-10 08:14:02,079 WARN L188 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2019-09-10 08:14:02,555 WARN L188 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-10 08:14:03,135 WARN L188 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 80 [2019-09-10 08:14:03,591 WARN L188 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-10 08:14:04,017 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2019-09-10 08:14:04,619 WARN L188 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 80 [2019-09-10 08:14:04,999 WARN L188 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 94 [2019-09-10 08:14:05,493 WARN L188 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 91 [2019-09-10 08:14:05,898 WARN L188 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 91 [2019-09-10 08:14:06,532 WARN L188 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-09-10 08:14:06,974 WARN L188 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-10 08:14:07,466 WARN L188 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-09-10 08:14:08,075 WARN L188 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-10 08:14:08,723 WARN L188 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-09-10 08:14:09,067 WARN L188 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-09-10 08:14:09,491 WARN L188 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 97 [2019-09-10 08:14:09,926 WARN L188 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2019-09-10 08:14:10,493 WARN L188 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2019-09-10 08:14:11,023 WARN L188 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 76 [2019-09-10 08:14:11,392 WARN L188 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 74 [2019-09-10 08:14:11,717 WARN L188 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2019-09-10 08:14:12,087 WARN L188 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 79 [2019-09-10 08:14:12,523 WARN L188 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2019-09-10 08:14:12,909 WARN L188 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 75 [2019-09-10 08:14:13,351 WARN L188 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 91 [2019-09-10 08:14:13,737 WARN L188 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2019-09-10 08:14:14,247 WARN L188 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2019-09-10 08:14:14,604 WARN L188 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2019-09-10 08:14:15,129 WARN L188 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 81 [2019-09-10 08:14:15,555 WARN L188 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 79 [2019-09-10 08:14:15,960 WARN L188 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2019-09-10 08:14:16,365 WARN L188 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2019-09-10 08:14:16,835 WARN L188 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2019-09-10 08:14:17,263 WARN L188 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 95 [2019-09-10 08:14:17,649 WARN L188 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 93 [2019-09-10 08:14:18,052 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2019-09-10 08:14:18,445 WARN L188 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-10 08:14:18,778 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 81 [2019-09-10 08:14:19,392 WARN L188 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 79 [2019-09-10 08:14:20,226 WARN L188 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 91 [2019-09-10 08:14:20,725 WARN L188 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2019-09-10 08:14:21,302 WARN L188 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2019-09-10 08:14:21,903 WARN L188 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2019-09-10 08:14:22,431 WARN L188 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 98 [2019-09-10 08:14:22,850 WARN L188 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 94 [2019-09-10 08:14:23,286 WARN L188 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 98 [2019-09-10 08:14:23,707 WARN L188 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2019-09-10 08:14:24,101 WARN L188 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 93 [2019-09-10 08:14:24,621 WARN L188 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 88 [2019-09-10 08:14:25,302 WARN L188 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 96 [2019-09-10 08:14:26,102 WARN L188 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 102 [2019-09-10 08:14:26,496 WARN L188 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2019-09-10 08:14:27,114 WARN L188 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2019-09-10 08:14:27,544 WARN L188 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 95 [2019-09-10 08:14:27,975 WARN L188 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2019-09-10 08:14:28,358 WARN L188 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2019-09-10 08:14:28,812 WARN L188 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 98 [2019-09-10 08:14:29,303 WARN L188 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 93 [2019-09-10 08:14:29,672 WARN L188 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2019-09-10 08:14:30,072 WARN L188 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 88 [2019-09-10 08:14:30,466 WARN L188 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2019-09-10 08:14:31,158 WARN L188 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2019-09-10 08:14:31,772 WARN L188 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 102 [2019-09-10 08:14:32,426 WARN L188 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 94 [2019-09-10 08:14:32,854 WARN L188 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 94 [2019-09-10 08:14:33,238 WARN L188 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-10 08:14:33,735 WARN L188 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2019-09-10 08:14:34,357 WARN L188 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 88 [2019-09-10 08:14:34,737 WARN L188 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 88 [2019-09-10 08:14:35,122 WARN L188 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 96 [2019-09-10 08:14:35,724 WARN L188 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 88 [2019-09-10 08:14:36,315 WARN L188 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2019-09-10 08:14:36,830 WARN L188 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 88 [2019-09-10 08:14:37,168 WARN L188 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 80 [2019-09-10 08:14:38,091 WARN L188 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 98 [2019-09-10 08:14:38,609 WARN L188 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 93 [2019-09-10 08:14:41,220 WARN L188 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 94 [2019-09-10 08:14:41,778 WARN L188 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2019-09-10 08:14:42,265 WARN L188 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 98 [2019-09-10 08:14:43,101 WARN L188 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2019-09-10 08:14:43,678 WARN L188 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 93 [2019-09-10 08:14:44,096 WARN L188 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2019-09-10 08:14:44,518 WARN L188 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2019-09-10 08:14:44,911 WARN L188 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-10 08:14:45,402 WARN L188 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2019-09-10 08:14:45,860 WARN L188 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-09-10 08:14:46,381 WARN L188 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 93 [2019-09-10 08:14:46,798 WARN L188 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2019-09-10 08:14:47,185 WARN L188 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-09-10 08:14:47,565 WARN L188 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-10 08:14:48,331 WARN L188 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-09-10 08:14:48,848 WARN L188 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-10 08:14:49,596 WARN L188 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-09-10 08:14:50,396 WARN L188 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-09-10 08:14:50,956 WARN L188 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 97 [2019-09-10 08:14:51,378 WARN L188 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2019-09-10 08:14:51,929 WARN L188 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2019-09-10 08:14:52,291 WARN L188 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2019-09-10 08:14:53,026 WARN L188 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2019-09-10 08:14:53,424 WARN L188 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2019-09-10 08:14:54,649 WARN L188 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2019-09-10 08:14:55,183 WARN L188 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2019-09-10 08:14:55,558 WARN L188 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2019-09-10 08:14:55,950 WARN L188 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2019-09-10 08:14:56,346 WARN L188 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 80 [2019-09-10 08:14:56,826 WARN L188 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 75 [2019-09-10 08:14:59,295 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2019-09-10 08:14:59,726 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-10 08:15:00,100 WARN L188 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-10 08:15:00,518 WARN L188 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 89 [2019-09-10 08:15:00,965 WARN L188 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-09-10 08:15:01,421 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-09-10 08:15:01,835 WARN L188 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-09-10 08:15:02,359 WARN L188 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-10 08:15:02,773 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-10 08:15:03,171 WARN L188 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 92 [2019-09-10 08:15:03,880 WARN L188 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 74 [2019-09-10 08:15:04,399 WARN L188 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2019-09-10 08:15:05,494 WARN L188 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2019-09-10 08:15:05,991 WARN L188 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2019-09-10 08:15:07,297 WARN L188 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 93 [2019-09-10 08:15:09,809 WARN L188 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2019-09-10 08:15:10,152 WARN L188 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2019-09-10 08:15:10,913 WARN L188 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 79 [2019-09-10 08:15:11,465 WARN L188 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 93 [2019-09-10 08:15:13,560 WARN L188 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2019-09-10 08:15:13,946 WARN L188 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2019-09-10 08:15:14,377 WARN L188 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 93 [2019-09-10 08:15:14,766 WARN L188 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-10 08:15:15,221 WARN L188 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 79 [2019-09-10 08:15:15,785 WARN L188 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2019-09-10 08:15:16,376 WARN L188 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2019-09-10 08:15:16,783 WARN L188 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-09-10 08:15:17,412 WARN L188 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-09-10 08:15:18,250 WARN L188 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-09-10 08:15:18,675 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-09-10 08:15:19,134 WARN L188 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-10 08:15:19,657 WARN L188 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-10 08:15:20,097 WARN L188 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 92 [2019-09-10 08:15:20,469 WARN L188 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2019-09-10 08:15:21,093 WARN L188 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 80 [2019-09-10 08:15:21,526 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-09-10 08:15:22,337 WARN L188 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2019-09-10 08:15:22,941 WARN L188 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-09-10 08:15:25,711 WARN L188 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2019-09-10 08:15:26,238 WARN L188 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-10 08:15:26,776 WARN L188 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 96 [2019-09-10 08:15:27,289 WARN L188 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 96 [2019-09-10 08:15:27,672 WARN L188 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2019-09-10 08:15:28,075 WARN L188 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 91 [2019-09-10 08:15:28,715 WARN L188 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 100 [2019-09-10 08:15:29,225 WARN L188 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-10 08:15:29,728 WARN L188 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 96 [2019-09-10 08:15:30,178 WARN L188 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-09-10 08:15:30,575 WARN L188 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 92 [2019-09-10 08:15:31,067 WARN L188 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2019-09-10 08:15:31,592 WARN L188 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-10 08:15:32,000 WARN L188 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2019-09-10 08:15:32,579 WARN L188 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2019-09-10 08:15:33,057 WARN L188 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 93 [2019-09-10 08:15:33,433 WARN L188 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 91 [2019-09-10 08:15:34,171 WARN L188 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 93 [2019-09-10 08:15:34,582 WARN L188 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 88 [2019-09-10 08:15:35,323 WARN L188 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 97 [2019-09-10 08:15:36,016 WARN L188 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2019-09-10 08:15:36,369 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2019-09-10 08:15:36,998 WARN L188 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2019-09-10 08:15:37,403 WARN L188 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-09-10 08:15:37,915 WARN L188 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-09-10 08:15:38,483 WARN L188 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2019-09-10 08:15:39,142 WARN L188 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 101 [2019-09-10 08:15:39,661 WARN L188 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-10 08:15:39,999 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2019-09-10 08:15:40,673 WARN L188 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 105 [2019-09-10 08:15:41,153 WARN L188 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 91 [2019-09-10 08:15:41,617 WARN L188 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 101 [2019-09-10 08:15:42,020 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2019-09-10 08:15:42,374 WARN L188 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2019-09-10 08:15:42,945 WARN L188 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 90 [2019-09-10 08:15:43,424 WARN L188 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-09-10 08:15:44,035 WARN L188 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 97 [2019-09-10 08:15:44,633 WARN L188 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 101 [2019-09-10 08:15:45,177 WARN L188 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 105 [2019-09-10 08:15:45,664 WARN L188 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 98 [2019-09-10 08:15:46,191 WARN L188 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 96 [2019-09-10 08:15:46,793 WARN L188 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 105 [2019-09-10 08:15:47,282 WARN L188 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 101 [2019-09-10 08:15:47,862 WARN L188 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 102 [2019-09-10 08:15:50,484 WARN L188 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 121 DAG size of output: 109 [2019-09-10 08:15:51,020 WARN L188 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 105 [2019-09-10 08:15:51,532 WARN L188 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 100 [2019-09-10 08:15:51,958 WARN L188 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 92 [2019-09-10 08:15:52,430 WARN L188 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 101 [2019-09-10 08:15:52,881 WARN L188 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 94 [2019-09-10 08:15:53,255 WARN L188 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2019-09-10 08:15:53,876 WARN L188 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 98 [2019-09-10 08:15:54,432 WARN L188 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 96 [2019-09-10 08:15:54,967 WARN L188 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 102 [2019-09-10 08:15:55,520 WARN L188 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 100 [2019-09-10 08:15:56,322 WARN L188 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 98 [2019-09-10 08:15:56,865 WARN L188 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 102 [2019-09-10 08:15:57,391 WARN L188 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 96 [2019-09-10 08:15:58,110 WARN L188 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 106 [2019-09-10 08:15:58,709 WARN L188 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2019-09-10 08:15:59,173 WARN L188 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 100 [2019-09-10 08:15:59,609 WARN L188 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2019-09-10 08:16:00,300 WARN L188 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 104 [2019-09-10 08:16:00,721 WARN L188 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-09-10 08:16:01,287 WARN L188 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 97 [2019-09-10 08:16:01,751 WARN L188 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 96 [2019-09-10 08:16:02,252 WARN L188 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2019-09-10 08:16:02,834 WARN L188 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 96 [2019-09-10 08:16:03,502 WARN L188 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 100 [2019-09-10 08:16:04,209 WARN L188 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2019-09-10 08:16:04,765 WARN L188 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 99 [2019-09-10 08:16:05,210 WARN L188 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 92 [2019-09-10 08:16:08,163 WARN L188 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 74 [2019-09-10 08:16:08,658 WARN L188 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2019-09-10 08:16:09,055 WARN L188 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2019-09-10 08:16:09,497 WARN L188 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2019-09-10 08:16:10,116 WARN L188 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 79 [2019-09-10 08:16:11,125 WARN L188 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2019-09-10 08:16:11,702 WARN L188 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2019-09-10 08:16:12,387 WARN L188 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-09-10 08:16:13,054 WARN L188 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 74 [2019-09-10 08:16:13,640 WARN L188 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 70 [2019-09-10 08:16:14,099 WARN L188 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 81 [2019-09-10 08:16:14,609 WARN L188 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 96 [2019-09-10 08:16:14,989 WARN L188 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2019-09-10 08:16:15,323 WARN L188 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-09-10 08:16:15,995 WARN L188 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 93 [2019-09-10 08:16:16,646 WARN L188 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2019-09-10 08:16:17,173 WARN L188 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-09-10 08:16:17,549 WARN L188 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 79 [2019-09-10 08:16:17,893 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2019-09-10 08:16:18,317 WARN L188 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 96 [2019-09-10 08:16:18,893 WARN L188 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2019-09-10 08:16:19,527 WARN L188 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-09-10 08:16:20,004 WARN L188 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 93 [2019-09-10 08:16:20,604 WARN L188 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2019-09-10 08:16:21,152 WARN L188 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 96 [2019-09-10 08:16:21,768 WARN L188 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 96 [2019-09-10 08:16:22,267 WARN L188 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 86 [2019-09-10 08:16:22,841 WARN L188 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2019-09-10 08:16:23,653 WARN L188 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 96 [2019-09-10 08:16:24,211 WARN L188 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2019-09-10 08:16:24,607 WARN L188 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-09-10 08:16:25,283 WARN L188 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2019-09-10 08:16:26,065 WARN L188 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2019-09-10 08:16:26,490 WARN L188 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 92 [2019-09-10 08:16:26,958 WARN L188 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2019-09-10 08:16:27,377 WARN L188 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-09-10 08:16:27,832 WARN L188 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-10 08:16:28,244 WARN L188 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2019-09-10 08:16:28,670 WARN L188 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 93 [2019-09-10 08:16:29,054 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2019-09-10 08:16:29,445 WARN L188 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2019-09-10 08:16:29,869 WARN L188 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-10 08:16:30,306 WARN L188 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 93 [2019-09-10 08:16:30,759 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2019-09-10 08:16:31,272 WARN L188 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2019-09-10 08:16:31,705 WARN L188 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 96 [2019-09-10 08:16:32,796 WARN L188 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 100 [2019-09-10 08:16:33,612 WARN L188 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 96 [2019-09-10 08:16:34,305 WARN L188 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 100 [2019-09-10 08:16:34,732 WARN L188 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 69 [2019-09-10 08:16:35,366 WARN L188 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-09-10 08:16:36,528 WARN L188 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2019-09-10 08:16:36,885 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-09-10 08:16:37,346 WARN L188 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 74 [2019-09-10 08:16:38,684 WARN L188 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2019-09-10 08:16:39,111 WARN L188 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-09-10 08:16:39,602 WARN L188 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-09-10 08:16:40,212 WARN L188 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-09-10 08:16:40,677 WARN L188 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2019-09-10 08:16:41,124 WARN L188 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 92 [2019-09-10 08:16:41,674 WARN L188 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2019-09-10 08:16:42,088 WARN L188 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2019-09-10 08:16:42,665 WARN L188 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2019-09-10 08:16:43,027 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2019-09-10 08:16:43,490 WARN L188 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2019-09-10 08:16:44,035 WARN L188 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 93 [2019-09-10 08:16:44,658 WARN L188 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2019-09-10 08:16:45,070 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-10 08:16:45,441 WARN L188 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-10 08:16:45,937 WARN L188 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 91 [2019-09-10 08:16:46,351 WARN L188 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-10 08:16:46,796 WARN L188 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2019-09-10 08:16:47,328 WARN L188 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-10 08:16:48,001 WARN L188 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-10 08:16:48,435 WARN L188 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 91 [2019-09-10 08:16:48,891 WARN L188 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2019-09-10 08:16:49,292 WARN L188 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-09-10 08:16:49,911 WARN L188 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2019-09-10 08:16:50,315 WARN L188 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-09-10 08:16:50,746 WARN L188 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 76 [2019-09-10 08:16:51,303 WARN L188 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-09-10 08:16:51,725 WARN L188 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2019-09-10 08:16:52,332 WARN L188 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 91 [2019-09-10 08:16:55,012 WARN L188 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 99 DAG size of output: 91 [2019-09-10 08:16:55,556 WARN L188 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2019-09-10 08:16:56,115 WARN L188 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2019-09-10 08:16:56,630 WARN L188 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 76 [2019-09-10 08:16:57,902 WARN L188 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2019-09-10 08:16:58,544 WARN L188 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2019-09-10 08:16:59,148 WARN L188 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 100 [2019-09-10 08:16:59,623 WARN L188 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2019-09-10 08:17:00,164 WARN L188 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 97 [2019-09-10 08:17:00,647 WARN L188 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 92 [2019-09-10 08:17:01,302 WARN L188 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2019-09-10 08:17:01,958 WARN L188 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2019-09-10 08:17:02,457 WARN L188 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 97 [2019-09-10 08:17:02,917 WARN L188 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 87 [2019-09-10 08:17:03,412 WARN L188 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 92 [2019-09-10 08:17:03,960 WARN L188 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 100 [2019-09-10 08:17:04,449 WARN L188 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2019-09-10 08:17:05,093 WARN L188 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 96 [2019-09-10 08:17:05,852 WARN L188 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-10 08:17:06,281 WARN L188 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 100 [2019-09-10 08:17:06,700 WARN L188 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 95 [2019-09-10 08:17:07,252 WARN L188 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2019-09-10 08:17:07,744 WARN L188 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 97 [2019-09-10 08:17:08,117 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 82 [2019-09-10 08:17:08,541 WARN L188 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 87 [2019-09-10 08:17:09,285 WARN L188 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2019-09-10 08:17:09,948 WARN L188 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 99 [2019-09-10 08:17:10,506 WARN L188 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 104 [2019-09-10 08:17:11,126 WARN L188 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 108 [2019-09-10 08:17:11,647 WARN L188 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 94 [2019-09-10 08:17:12,045 WARN L188 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-10 08:17:12,478 WARN L188 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2019-09-10 08:17:12,976 WARN L188 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 100 [2019-09-10 08:17:13,450 WARN L188 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 96 [2019-09-10 08:17:13,949 WARN L188 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 101 [2019-09-10 08:17:14,620 WARN L188 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 102 [2019-09-10 08:17:17,356 WARN L188 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 97 [2019-09-10 08:17:17,947 WARN L188 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 96 [2019-09-10 08:17:19,447 WARN L188 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2019-09-10 08:17:20,146 WARN L188 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 99 [2019-09-10 08:17:20,847 WARN L188 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 106 [2019-09-10 08:17:21,638 WARN L188 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 104 [2019-09-10 08:17:22,162 WARN L188 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 99 [2019-09-10 08:17:22,855 WARN L188 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 104 [2019-09-10 08:17:23,369 WARN L188 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 92 [2019-09-10 08:17:23,854 WARN L188 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 99 [2019-09-10 08:17:24,498 WARN L188 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 101 [2019-09-10 08:17:25,315 WARN L188 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 99 [2019-09-10 08:17:26,096 WARN L188 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 102 [2019-09-10 08:17:26,746 WARN L188 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 105 [2019-09-10 08:17:27,383 WARN L188 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 102 [2019-09-10 08:17:27,855 WARN L188 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 95 [2019-09-10 08:17:28,684 WARN L188 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2019-09-10 08:17:29,216 WARN L188 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 92 [2019-09-10 08:17:30,078 WARN L188 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 103 [2019-09-10 08:17:30,691 WARN L188 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 92 [2019-09-10 08:17:31,318 WARN L188 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 92 [2019-09-10 08:17:31,815 WARN L188 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 97 [2019-09-10 08:17:32,435 WARN L188 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 101 [2019-09-10 08:17:32,967 WARN L188 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 95 [2019-09-10 08:17:33,451 WARN L188 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2019-09-10 08:17:33,913 WARN L188 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2019-09-10 08:17:34,406 WARN L188 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 94 [2019-09-10 08:17:34,916 WARN L188 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 94 [2019-09-10 08:17:35,414 WARN L188 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 99 [2019-09-10 08:17:35,939 WARN L188 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 103 [2019-09-10 08:17:36,672 WARN L188 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 97 [2019-09-10 08:17:38,521 WARN L188 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 97 [2019-09-10 08:17:38,962 WARN L188 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 92 [2019-09-10 08:17:39,469 WARN L188 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 91 [2019-09-10 08:17:40,652 WARN L188 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 102 DAG size of output: 96 [2019-09-10 08:17:41,206 WARN L188 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 104 [2019-09-10 08:17:41,632 WARN L188 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 92 [2019-09-10 08:17:42,429 WARN L188 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 100 [2019-09-10 08:17:42,905 WARN L188 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 97 [2019-09-10 08:17:43,529 WARN L188 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 91 [2019-09-10 08:17:44,026 WARN L188 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 94 [2019-09-10 08:17:44,773 WARN L188 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 98 [2019-09-10 08:17:45,316 WARN L188 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 101 [2019-09-10 08:17:45,870 WARN L188 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 99 [2019-09-10 08:17:46,406 WARN L188 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 95 [2019-09-10 08:17:46,987 WARN L188 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2019-09-10 08:17:47,495 WARN L188 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 99 [2019-09-10 08:17:47,942 WARN L188 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 101 [2019-09-10 08:17:48,445 WARN L188 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 97 [2019-09-10 08:17:48,895 WARN L188 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2019-09-10 08:17:49,556 WARN L188 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 101 [2019-09-10 08:17:50,209 WARN L188 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 97 [2019-09-10 08:17:50,766 WARN L188 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 88 [2019-09-10 08:17:51,699 WARN L188 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 94 [2019-09-10 08:17:52,292 WARN L188 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 106 [2019-09-10 08:17:52,784 WARN L188 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 96 [2019-09-10 08:17:53,228 WARN L188 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 94 [2019-09-10 08:17:53,752 WARN L188 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 104 [2019-09-10 08:17:54,219 WARN L188 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 99 [2019-09-10 08:17:54,828 WARN L188 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 103 [2019-09-10 08:17:55,255 WARN L188 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 97 [2019-09-10 08:17:55,862 WARN L188 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 100 [2019-09-10 08:17:56,526 WARN L188 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 92 [2019-09-10 08:17:57,304 WARN L188 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 110 [2019-09-10 08:17:57,819 WARN L188 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 104 [2019-09-10 08:17:59,076 WARN L188 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 106 DAG size of output: 100 [2019-09-10 08:17:59,513 WARN L188 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 97 [2019-09-10 08:17:59,972 WARN L188 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 91 [2019-09-10 08:18:00,465 WARN L188 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 101 [2019-09-10 08:18:00,945 WARN L188 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-10 08:18:01,376 WARN L188 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 96 [2019-09-10 08:18:01,912 WARN L188 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 103 [2019-09-10 08:18:02,292 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2019-09-10 08:18:02,955 WARN L188 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 103 [2019-09-10 08:18:03,363 WARN L188 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2019-09-10 08:18:03,871 WARN L188 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 91 [2019-09-10 08:18:04,400 WARN L188 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 103 [2019-09-10 08:18:04,814 WARN L188 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2019-09-10 08:18:05,368 WARN L188 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 108 [2019-09-10 08:18:05,788 WARN L188 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2019-09-10 08:18:06,344 WARN L188 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 94 [2019-09-10 08:18:06,809 WARN L188 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 88 [2019-09-10 08:18:07,462 WARN L188 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 112 [2019-09-10 08:18:07,881 WARN L188 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 94 [2019-09-10 08:18:08,480 WARN L188 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 106 [2019-09-10 08:18:09,251 WARN L188 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 98 [2019-09-10 08:18:09,800 WARN L188 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 99 [2019-09-10 08:18:10,327 WARN L188 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2019-09-10 08:18:10,747 WARN L188 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2019-09-10 08:18:11,351 WARN L188 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 106 [2019-09-10 08:18:12,150 WARN L188 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 104 [2019-09-10 08:18:12,770 WARN L188 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 99 [2019-09-10 08:18:13,318 WARN L188 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 92 [2019-09-10 08:18:13,716 WARN L188 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-10 08:18:14,183 WARN L188 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 100 [2019-09-10 08:18:14,670 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2019-09-10 08:18:15,166 WARN L188 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 105 [2019-09-10 08:18:15,764 WARN L188 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 101 [2019-09-10 08:18:17,111 WARN L188 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 106 DAG size of output: 96 [2019-09-10 08:18:17,725 WARN L188 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 82 [2019-09-10 08:18:18,279 WARN L188 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 100 [2019-09-10 08:18:18,752 WARN L188 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 92 [2019-09-10 08:18:19,137 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2019-09-10 08:18:19,682 WARN L188 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 103 [2019-09-10 08:18:20,113 WARN L188 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 89 [2019-09-10 08:18:20,854 WARN L188 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 100 [2019-09-10 08:18:21,740 WARN L188 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 107 [2019-09-10 08:18:22,168 WARN L188 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2019-09-10 08:18:22,752 WARN L188 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 108 [2019-09-10 08:18:23,191 WARN L188 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 95 [2019-09-10 08:18:23,569 WARN L188 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-10 08:18:24,097 WARN L188 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 103 [2019-09-10 08:18:24,552 WARN L188 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2019-09-10 08:18:25,355 WARN L188 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 108 [2019-09-10 08:18:26,140 WARN L188 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 87 [2019-09-10 08:18:26,753 WARN L188 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 105 [2019-09-10 08:18:27,247 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 91 [2019-09-10 08:18:27,882 WARN L188 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 109 [2019-09-10 08:18:30,732 WARN L188 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2019-09-10 08:18:31,152 WARN L188 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2019-09-10 08:18:31,552 WARN L188 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2019-09-10 08:18:32,010 WARN L188 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 92 [2019-09-10 08:18:32,537 WARN L188 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-10 08:18:33,115 WARN L188 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 92 [2019-09-10 08:18:33,604 WARN L188 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 92 [2019-09-10 08:18:33,939 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 75 [2019-09-10 08:18:34,697 WARN L188 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 80 [2019-09-10 08:18:35,137 WARN L188 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2019-09-10 08:18:35,781 WARN L188 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 94 [2019-09-10 08:18:36,359 WARN L188 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2019-09-10 08:18:36,926 WARN L188 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2019-09-10 08:18:37,419 WARN L188 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 99 [2019-09-10 08:18:37,881 WARN L188 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2019-09-10 08:18:38,349 WARN L188 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 87 [2019-09-10 08:18:39,132 WARN L188 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 80 [2019-09-10 08:18:39,876 WARN L188 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2019-09-10 08:18:40,286 WARN L188 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 94 [2019-09-10 08:18:40,777 WARN L188 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2019-09-10 08:18:41,392 WARN L188 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2019-09-10 08:18:41,934 WARN L188 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2019-09-10 08:18:42,444 WARN L188 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 94 [2019-09-10 08:18:42,952 WARN L188 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2019-09-10 08:18:43,577 WARN L188 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 99 [2019-09-10 08:18:44,052 WARN L188 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2019-09-10 08:18:44,403 WARN L188 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 75 [2019-09-10 08:18:44,870 WARN L188 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 95 [2019-09-10 08:18:46,643 WARN L188 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-10 08:18:47,138 WARN L188 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 95 [2019-09-10 08:18:47,620 WARN L188 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 95 [2019-09-10 08:18:48,283 WARN L188 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2019-09-10 08:18:48,739 WARN L188 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2019-09-10 08:18:49,234 WARN L188 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 96 [2019-09-10 08:18:49,643 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 80 [2019-09-10 08:18:50,097 WARN L188 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2019-09-10 08:18:50,789 WARN L188 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 90 [2019-09-10 08:18:51,298 WARN L188 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 96 [2019-09-10 08:18:51,837 WARN L188 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 90 [2019-09-10 08:18:52,179 WARN L188 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 72 [2019-09-10 08:18:52,713 WARN L188 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 79 [2019-09-10 08:18:53,193 WARN L188 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 82 [2019-09-10 08:18:53,638 WARN L188 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 91 [2019-09-10 08:18:54,130 WARN L188 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 79 [2019-09-10 08:18:54,666 WARN L188 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2019-09-10 08:18:55,128 WARN L188 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 87 [2019-09-10 08:18:55,642 WARN L188 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2019-09-10 08:18:56,060 WARN L188 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2019-09-10 08:18:56,494 WARN L188 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2019-09-10 08:18:56,961 WARN L188 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 92 [2019-09-10 08:18:57,365 WARN L188 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 77 [2019-09-10 08:18:58,860 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2019-09-10 08:18:59,225 WARN L188 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84