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/pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 04:25:56,642 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 04:25:56,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 04:25:56,655 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 04:25:56,655 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 04:25:56,657 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 04:25:56,658 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 04:25:56,660 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 04:25:56,661 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 04:25:56,662 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 04:25:56,663 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 04:25:56,664 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 04:25:56,664 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 04:25:56,665 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 04:25:56,666 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 04:25:56,667 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 04:25:56,668 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 04:25:56,669 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 04:25:56,671 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 04:25:56,673 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 04:25:56,675 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 04:25:56,678 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 04:25:56,681 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 04:25:56,682 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 04:25:56,684 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-10 04:25:56,691 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 04:25:56,692 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 04:25:56,693 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 04:25:56,694 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 04:25:56,695 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 04:25:56,698 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 04:25:56,699 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 04:25:56,699 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 04:25:56,699 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 04:25:56,700 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 04:25:56,701 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 04:25:56,702 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 04:25:56,718 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 04:25:56,718 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 04:25:56,718 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 04:25:56,719 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 04:25:56,719 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 04:25:56,720 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 04:25:56,720 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 04:25:56,720 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 04:25:56,720 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 04:25:56,720 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 04:25:56,721 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 04:25:56,721 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 04:25:56,722 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 04:25:56,722 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 04:25:56,722 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 04:25:56,722 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 04:25:56,722 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 04:25:56,723 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 04:25:56,723 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 04:25:56,723 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 04:25:56,723 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 04:25:56,723 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 04:25:56,724 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 04:25:56,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 04:25:56,724 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 04:25:56,724 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 04:25:56,724 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 04:25:56,725 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 04:25:56,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 04:25:56,725 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 04:25:56,752 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 04:25:56,764 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 04:25:56,767 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 04:25:56,769 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 04:25:56,769 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 04:25:56,770 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c [2019-09-10 04:25:56,845 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75216ed1f/d96fa2683b9e4e718dfb895b3a2982a5/FLAG43463ca8c [2019-09-10 04:25:57,313 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 04:25:57,313 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c [2019-09-10 04:25:57,321 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75216ed1f/d96fa2683b9e4e718dfb895b3a2982a5/FLAG43463ca8c [2019-09-10 04:25:57,660 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75216ed1f/d96fa2683b9e4e718dfb895b3a2982a5 [2019-09-10 04:25:57,670 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 04:25:57,671 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 04:25:57,672 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 04:25:57,673 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 04:25:57,676 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 04:25:57,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 04:25:57" (1/1) ... [2019-09-10 04:25:57,679 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f1699d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 04:25:57, skipping insertion in model container [2019-09-10 04:25:57,680 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 04:25:57" (1/1) ... [2019-09-10 04:25:57,687 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 04:25:57,717 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 04:25:57,953 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 04:25:58,058 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 04:25:58,107 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 04:25:58,125 INFO L192 MainTranslator]: Completed translation [2019-09-10 04:25:58,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 04:25:58 WrapperNode [2019-09-10 04:25:58,125 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 04:25:58,126 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 04:25:58,126 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 04:25:58,126 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 04:25:58,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 04:25:58" (1/1) ... [2019-09-10 04:25:58,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 04:25:58" (1/1) ... [2019-09-10 04:25:58,143 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 04:25:58" (1/1) ... [2019-09-10 04:25:58,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 04:25:58" (1/1) ... [2019-09-10 04:25:58,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 04:25:58" (1/1) ... [2019-09-10 04:25:58,162 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 04:25:58" (1/1) ... [2019-09-10 04:25:58,164 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 04:25:58" (1/1) ... [2019-09-10 04:25:58,168 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 04:25:58,168 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 04:25:58,168 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 04:25:58,169 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 04:25:58,169 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 04:25:58" (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 04:25:58,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 04:25:58,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 04:25:58,220 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2019-09-10 04:25:58,220 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2019-09-10 04:25:58,220 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2019-09-10 04:25:58,221 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-10 04:25:58,221 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-10 04:25:58,221 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 04:25:58,221 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-09-10 04:25:58,221 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 04:25:58,221 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-10 04:25:58,221 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-10 04:25:58,222 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-10 04:25:58,222 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-10 04:25:58,222 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-10 04:25:58,222 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-10 04:25:58,222 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-10 04:25:58,222 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-10 04:25:58,223 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-10 04:25:58,223 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-10 04:25:58,223 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-10 04:25:58,223 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-10 04:25:58,223 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 04:25:58,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 04:25:58,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 04:25:58,699 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 04:25:58,699 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-10 04:25:58,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 04:25:58 BoogieIcfgContainer [2019-09-10 04:25:58,701 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 04:25:58,701 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 04:25:58,702 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 04:25:58,704 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 04:25:58,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 04:25:57" (1/3) ... [2019-09-10 04:25:58,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f5ba631 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 04:25:58, skipping insertion in model container [2019-09-10 04:25:58,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 04:25:58" (2/3) ... [2019-09-10 04:25:58,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f5ba631 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 04:25:58, skipping insertion in model container [2019-09-10 04:25:58,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 04:25:58" (3/3) ... [2019-09-10 04:25:58,708 INFO L109 eAbstractionObserver]: Analyzing ICFG pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c [2019-09-10 04:25:58,717 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 04:25:58,725 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 04:25:58,740 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 04:25:58,766 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 04:25:58,767 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 04:25:58,767 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 04:25:58,767 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 04:25:58,767 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 04:25:58,767 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 04:25:58,767 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 04:25:58,768 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 04:25:58,785 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states. [2019-09-10 04:25:58,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-10 04:25:58,797 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 04:25:58,798 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] [2019-09-10 04:25:58,800 INFO L418 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 04:25:58,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 04:25:58,807 INFO L82 PathProgramCache]: Analyzing trace with hash -1630290558, now seen corresponding path program 1 times [2019-09-10 04:25:58,809 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 04:25:58,858 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 04:25:58,859 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 04:25:58,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 04:25:58,859 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 04:25:58,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 04:25:59,170 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 04:25:59,173 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 04:25:59,173 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 04:25:59,173 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 04:25:59,179 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 04:25:59,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 04:25:59,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 04:25:59,198 INFO L87 Difference]: Start difference. First operand 86 states. Second operand 5 states. [2019-09-10 04:25:59,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 04:25:59,288 INFO L93 Difference]: Finished difference Result 85 states and 120 transitions. [2019-09-10 04:25:59,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 04:25:59,291 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2019-09-10 04:25:59,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 04:25:59,303 INFO L225 Difference]: With dead ends: 85 [2019-09-10 04:25:59,303 INFO L226 Difference]: Without dead ends: 81 [2019-09-10 04:25:59,305 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 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 04:25:59,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2019-09-10 04:25:59,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2019-09-10 04:25:59,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2019-09-10 04:25:59,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 101 transitions. [2019-09-10 04:25:59,351 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 101 transitions. Word has length 47 [2019-09-10 04:25:59,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 04:25:59,351 INFO L475 AbstractCegarLoop]: Abstraction has 81 states and 101 transitions. [2019-09-10 04:25:59,351 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 04:25:59,352 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 101 transitions. [2019-09-10 04:25:59,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-09-10 04:25:59,354 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 04:25:59,354 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] [2019-09-10 04:25:59,355 INFO L418 AbstractCegarLoop]: === Iteration 2 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 04:25:59,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 04:25:59,355 INFO L82 PathProgramCache]: Analyzing trace with hash -922685137, now seen corresponding path program 1 times [2019-09-10 04:25:59,355 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 04:25:59,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 04:25:59,358 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 04:25:59,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 04:25:59,358 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 04:25:59,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 04:25:59,700 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 04:25:59,700 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 04:25:59,700 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-10 04:25:59,701 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 04:25:59,702 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-10 04:25:59,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-10 04:25:59,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-09-10 04:25:59,703 INFO L87 Difference]: Start difference. First operand 81 states and 101 transitions. Second operand 9 states. [2019-09-10 04:26:01,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 04:26:01,394 INFO L93 Difference]: Finished difference Result 399 states and 564 transitions. [2019-09-10 04:26:01,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-09-10 04:26:01,395 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2019-09-10 04:26:01,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 04:26:01,411 INFO L225 Difference]: With dead ends: 399 [2019-09-10 04:26:01,412 INFO L226 Difference]: Without dead ends: 399 [2019-09-10 04:26:01,413 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=181, Invalid=469, Unknown=0, NotChecked=0, Total=650 [2019-09-10 04:26:01,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2019-09-10 04:26:01,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 246. [2019-09-10 04:26:01,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2019-09-10 04:26:01,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 332 transitions. [2019-09-10 04:26:01,500 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 332 transitions. Word has length 62 [2019-09-10 04:26:01,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 04:26:01,501 INFO L475 AbstractCegarLoop]: Abstraction has 246 states and 332 transitions. [2019-09-10 04:26:01,502 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-10 04:26:01,502 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 332 transitions. [2019-09-10 04:26:01,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-09-10 04:26:01,507 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 04:26:01,507 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] [2019-09-10 04:26:01,508 INFO L418 AbstractCegarLoop]: === Iteration 3 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 04:26:01,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 04:26:01,508 INFO L82 PathProgramCache]: Analyzing trace with hash -2029847105, now seen corresponding path program 1 times [2019-09-10 04:26:01,508 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 04:26:01,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 04:26:01,510 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 04:26:01,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 04:26:01,511 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 04:26:01,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 04:26:01,595 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 04:26:01,596 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 04:26:01,596 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 04:26:01,596 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 04:26:01,597 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 04:26:01,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 04:26:01,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 04:26:01,598 INFO L87 Difference]: Start difference. First operand 246 states and 332 transitions. Second operand 3 states. [2019-09-10 04:26:01,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 04:26:01,622 INFO L93 Difference]: Finished difference Result 437 states and 591 transitions. [2019-09-10 04:26:01,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 04:26:01,623 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2019-09-10 04:26:01,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 04:26:01,627 INFO L225 Difference]: With dead ends: 437 [2019-09-10 04:26:01,627 INFO L226 Difference]: Without dead ends: 437 [2019-09-10 04:26:01,628 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 04:26:01,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2019-09-10 04:26:01,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 435. [2019-09-10 04:26:01,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2019-09-10 04:26:01,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 590 transitions. [2019-09-10 04:26:01,661 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 590 transitions. Word has length 64 [2019-09-10 04:26:01,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 04:26:01,661 INFO L475 AbstractCegarLoop]: Abstraction has 435 states and 590 transitions. [2019-09-10 04:26:01,662 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 04:26:01,662 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 590 transitions. [2019-09-10 04:26:01,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-09-10 04:26:01,670 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 04:26:01,673 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] [2019-09-10 04:26:01,674 INFO L418 AbstractCegarLoop]: === Iteration 4 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 04:26:01,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 04:26:01,674 INFO L82 PathProgramCache]: Analyzing trace with hash 977417735, now seen corresponding path program 1 times [2019-09-10 04:26:01,674 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 04:26:01,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 04:26:01,676 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 04:26:01,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 04:26:01,676 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 04:26:01,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 04:26:01,800 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 04:26:01,801 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 04:26:01,801 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 04:26:01,801 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 04:26:01,802 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 04:26:01,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 04:26:01,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 04:26:01,802 INFO L87 Difference]: Start difference. First operand 435 states and 590 transitions. Second operand 5 states. [2019-09-10 04:26:02,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 04:26:02,115 INFO L93 Difference]: Finished difference Result 788 states and 1064 transitions. [2019-09-10 04:26:02,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 04:26:02,119 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2019-09-10 04:26:02,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 04:26:02,130 INFO L225 Difference]: With dead ends: 788 [2019-09-10 04:26:02,130 INFO L226 Difference]: Without dead ends: 788 [2019-09-10 04:26:02,131 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-09-10 04:26:02,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 788 states. [2019-09-10 04:26:02,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 788 to 786. [2019-09-10 04:26:02,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 786 states. [2019-09-10 04:26:02,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 786 states and 1063 transitions. [2019-09-10 04:26:02,195 INFO L78 Accepts]: Start accepts. Automaton has 786 states and 1063 transitions. Word has length 64 [2019-09-10 04:26:02,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 04:26:02,197 INFO L475 AbstractCegarLoop]: Abstraction has 786 states and 1063 transitions. [2019-09-10 04:26:02,197 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 04:26:02,197 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 1063 transitions. [2019-09-10 04:26:02,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-09-10 04:26:02,204 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 04:26:02,205 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] [2019-09-10 04:26:02,205 INFO L418 AbstractCegarLoop]: === Iteration 5 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 04:26:02,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 04:26:02,206 INFO L82 PathProgramCache]: Analyzing trace with hash -2121804291, now seen corresponding path program 1 times [2019-09-10 04:26:02,206 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 04:26:02,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 04:26:02,208 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 04:26:02,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 04:26:02,209 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 04:26:02,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 04:26:02,440 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 04:26:02,440 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 04:26:02,440 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-10 04:26:02,440 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 04:26:02,441 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-10 04:26:02,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-10 04:26:02,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-09-10 04:26:02,442 INFO L87 Difference]: Start difference. First operand 786 states and 1063 transitions. Second operand 9 states. [2019-09-10 04:26:03,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 04:26:03,529 INFO L93 Difference]: Finished difference Result 878 states and 1218 transitions. [2019-09-10 04:26:03,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-09-10 04:26:03,530 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2019-09-10 04:26:03,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 04:26:03,536 INFO L225 Difference]: With dead ends: 878 [2019-09-10 04:26:03,536 INFO L226 Difference]: Without dead ends: 878 [2019-09-10 04:26:03,537 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=165, Invalid=435, Unknown=0, NotChecked=0, Total=600 [2019-09-10 04:26:03,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 878 states. [2019-09-10 04:26:03,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 878 to 784. [2019-09-10 04:26:03,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 784 states. [2019-09-10 04:26:03,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 1055 transitions. [2019-09-10 04:26:03,576 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 1055 transitions. Word has length 64 [2019-09-10 04:26:03,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 04:26:03,577 INFO L475 AbstractCegarLoop]: Abstraction has 784 states and 1055 transitions. [2019-09-10 04:26:03,577 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-10 04:26:03,577 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1055 transitions. [2019-09-10 04:26:03,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-09-10 04:26:03,578 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 04:26:03,578 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] [2019-09-10 04:26:03,578 INFO L418 AbstractCegarLoop]: === Iteration 6 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 04:26:03,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 04:26:03,579 INFO L82 PathProgramCache]: Analyzing trace with hash -1470952719, now seen corresponding path program 1 times [2019-09-10 04:26:03,579 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 04:26:03,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 04:26:03,581 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 04:26:03,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 04:26:03,581 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 04:26:03,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 04:26:03,669 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 04:26:03,670 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 04:26:03,670 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-10 04:26:03,670 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 04:26:03,671 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-10 04:26:03,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-10 04:26:03,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-10 04:26:03,672 INFO L87 Difference]: Start difference. First operand 784 states and 1055 transitions. Second operand 9 states. [2019-09-10 04:26:04,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 04:26:04,356 INFO L93 Difference]: Finished difference Result 1043 states and 1375 transitions. [2019-09-10 04:26:04,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-10 04:26:04,357 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2019-09-10 04:26:04,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 04:26:04,364 INFO L225 Difference]: With dead ends: 1043 [2019-09-10 04:26:04,365 INFO L226 Difference]: Without dead ends: 1043 [2019-09-10 04:26:04,365 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2019-09-10 04:26:04,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1043 states. [2019-09-10 04:26:04,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1043 to 819. [2019-09-10 04:26:04,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 819 states. [2019-09-10 04:26:04,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 819 states and 1101 transitions. [2019-09-10 04:26:04,411 INFO L78 Accepts]: Start accepts. Automaton has 819 states and 1101 transitions. Word has length 64 [2019-09-10 04:26:04,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 04:26:04,411 INFO L475 AbstractCegarLoop]: Abstraction has 819 states and 1101 transitions. [2019-09-10 04:26:04,411 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-10 04:26:04,411 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 1101 transitions. [2019-09-10 04:26:04,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-09-10 04:26:04,413 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 04:26:04,413 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] [2019-09-10 04:26:04,413 INFO L418 AbstractCegarLoop]: === Iteration 7 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 04:26:04,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 04:26:04,414 INFO L82 PathProgramCache]: Analyzing trace with hash -1521385607, now seen corresponding path program 1 times [2019-09-10 04:26:04,414 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 04:26:04,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 04:26:04,415 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 04:26:04,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 04:26:04,416 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 04:26:04,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 04:26:04,530 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 04:26:04,531 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 04:26:04,531 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-10 04:26:04,531 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 04:26:04,532 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-10 04:26:04,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-10 04:26:04,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-10 04:26:04,533 INFO L87 Difference]: Start difference. First operand 819 states and 1101 transitions. Second operand 9 states. [2019-09-10 04:26:05,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 04:26:05,035 INFO L93 Difference]: Finished difference Result 1038 states and 1390 transitions. [2019-09-10 04:26:05,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-10 04:26:05,035 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2019-09-10 04:26:05,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 04:26:05,041 INFO L225 Difference]: With dead ends: 1038 [2019-09-10 04:26:05,041 INFO L226 Difference]: Without dead ends: 1032 [2019-09-10 04:26:05,041 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2019-09-10 04:26:05,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1032 states. [2019-09-10 04:26:05,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1032 to 847. [2019-09-10 04:26:05,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 847 states. [2019-09-10 04:26:05,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 847 states and 1135 transitions. [2019-09-10 04:26:05,072 INFO L78 Accepts]: Start accepts. Automaton has 847 states and 1135 transitions. Word has length 64 [2019-09-10 04:26:05,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 04:26:05,073 INFO L475 AbstractCegarLoop]: Abstraction has 847 states and 1135 transitions. [2019-09-10 04:26:05,073 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-10 04:26:05,073 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1135 transitions. [2019-09-10 04:26:05,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-09-10 04:26:05,074 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 04:26:05,074 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] [2019-09-10 04:26:05,074 INFO L418 AbstractCegarLoop]: === Iteration 8 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 04:26:05,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 04:26:05,075 INFO L82 PathProgramCache]: Analyzing trace with hash 303572106, now seen corresponding path program 1 times [2019-09-10 04:26:05,075 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 04:26:05,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 04:26:05,077 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 04:26:05,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 04:26:05,077 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 04:26:05,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 04:26:05,174 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 04:26:05,174 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 04:26:05,174 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 04:26:05,175 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 04:26:05,176 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 04:26:05,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 04:26:05,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 04:26:05,177 INFO L87 Difference]: Start difference. First operand 847 states and 1135 transitions. Second operand 5 states. [2019-09-10 04:26:05,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 04:26:05,530 INFO L93 Difference]: Finished difference Result 1143 states and 1519 transitions. [2019-09-10 04:26:05,531 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 04:26:05,531 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2019-09-10 04:26:05,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 04:26:05,540 INFO L225 Difference]: With dead ends: 1143 [2019-09-10 04:26:05,541 INFO L226 Difference]: Without dead ends: 1137 [2019-09-10 04:26:05,541 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-09-10 04:26:05,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1137 states. [2019-09-10 04:26:05,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1137 to 1131. [2019-09-10 04:26:05,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1131 states. [2019-09-10 04:26:05,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 1131 states and 1509 transitions. [2019-09-10 04:26:05,579 INFO L78 Accepts]: Start accepts. Automaton has 1131 states and 1509 transitions. Word has length 65 [2019-09-10 04:26:05,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 04:26:05,580 INFO L475 AbstractCegarLoop]: Abstraction has 1131 states and 1509 transitions. [2019-09-10 04:26:05,580 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 04:26:05,581 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 1509 transitions. [2019-09-10 04:26:05,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-09-10 04:26:05,585 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 04:26:05,585 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] [2019-09-10 04:26:05,585 INFO L418 AbstractCegarLoop]: === Iteration 9 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 04:26:05,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 04:26:05,585 INFO L82 PathProgramCache]: Analyzing trace with hash 1950997067, now seen corresponding path program 1 times [2019-09-10 04:26:05,586 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 04:26:05,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 04:26:05,587 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 04:26:05,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 04:26:05,587 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 04:26:05,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 04:26:05,694 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 04:26:05,694 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 04:26:05,694 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-10 04:26:05,694 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 04:26:05,695 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-10 04:26:05,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-10 04:26:05,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-10 04:26:05,695 INFO L87 Difference]: Start difference. First operand 1131 states and 1509 transitions. Second operand 8 states. [2019-09-10 04:26:05,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 04:26:05,776 INFO L93 Difference]: Finished difference Result 1365 states and 1884 transitions. [2019-09-10 04:26:05,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-10 04:26:05,777 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 65 [2019-09-10 04:26:05,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 04:26:05,784 INFO L225 Difference]: With dead ends: 1365 [2019-09-10 04:26:05,784 INFO L226 Difference]: Without dead ends: 1365 [2019-09-10 04:26:05,785 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2019-09-10 04:26:05,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1365 states. [2019-09-10 04:26:05,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1365 to 1239. [2019-09-10 04:26:05,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1239 states. [2019-09-10 04:26:05,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 1239 states and 1619 transitions. [2019-09-10 04:26:05,830 INFO L78 Accepts]: Start accepts. Automaton has 1239 states and 1619 transitions. Word has length 65 [2019-09-10 04:26:05,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 04:26:05,830 INFO L475 AbstractCegarLoop]: Abstraction has 1239 states and 1619 transitions. [2019-09-10 04:26:05,830 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-10 04:26:05,830 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 1619 transitions. [2019-09-10 04:26:05,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-09-10 04:26:05,833 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 04:26:05,833 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] [2019-09-10 04:26:05,834 INFO L418 AbstractCegarLoop]: === Iteration 10 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 04:26:05,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 04:26:05,834 INFO L82 PathProgramCache]: Analyzing trace with hash 285503296, now seen corresponding path program 1 times [2019-09-10 04:26:05,834 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 04:26:05,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 04:26:05,836 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 04:26:05,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 04:26:05,836 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 04:26:05,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 04:26:05,956 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 04:26:05,957 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 04:26:05,958 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 04:26:05,959 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 04:26:05,964 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 04:26:05,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 04:26:05,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 04:26:05,967 INFO L87 Difference]: Start difference. First operand 1239 states and 1619 transitions. Second operand 5 states. [2019-09-10 04:26:06,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 04:26:06,249 INFO L93 Difference]: Finished difference Result 1738 states and 2228 transitions. [2019-09-10 04:26:06,250 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 04:26:06,250 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2019-09-10 04:26:06,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 04:26:06,261 INFO L225 Difference]: With dead ends: 1738 [2019-09-10 04:26:06,261 INFO L226 Difference]: Without dead ends: 1738 [2019-09-10 04:26:06,262 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-09-10 04:26:06,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1738 states. [2019-09-10 04:26:06,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1738 to 1733. [2019-09-10 04:26:06,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1733 states. [2019-09-10 04:26:06,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1733 states to 1733 states and 2224 transitions. [2019-09-10 04:26:06,348 INFO L78 Accepts]: Start accepts. Automaton has 1733 states and 2224 transitions. Word has length 65 [2019-09-10 04:26:06,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 04:26:06,349 INFO L475 AbstractCegarLoop]: Abstraction has 1733 states and 2224 transitions. [2019-09-10 04:26:06,349 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 04:26:06,349 INFO L276 IsEmpty]: Start isEmpty. Operand 1733 states and 2224 transitions. [2019-09-10 04:26:06,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-09-10 04:26:06,353 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 04:26:06,353 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-10 04:26:06,353 INFO L418 AbstractCegarLoop]: === Iteration 11 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 04:26:06,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 04:26:06,354 INFO L82 PathProgramCache]: Analyzing trace with hash 614006174, now seen corresponding path program 1 times [2019-09-10 04:26:06,354 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 04:26:06,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 04:26:06,356 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 04:26:06,356 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 04:26:06,356 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 04:26:06,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 04:26:06,484 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-09-10 04:26:06,484 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 04:26:06,485 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 04:26:06,486 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 103 with the following transitions: [2019-09-10 04:26:06,490 INFO L207 CegarAbsIntRunner]: [0], [3], [6], [9], [12], [15], [18], [21], [24], [27], [30], [33], [36], [39], [42], [45], [48], [97], [98], [99], [101], [110], [114], [116], [123], [126], [131], [134], [138], [151], [153], [154], [155], [178], [181], [185], [187], [188], [211], [214], [218], [220], [221], [222], [223], [226], [229], [234], [237], [244], [246], [249], [253], [255], [256], [259], [261], [264], [266], [270], [271], [272], [273], [274], [275], [276], [277], [278], [279], [280], [281], [282], [283], [284] [2019-09-10 04:26:06,580 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 04:26:06,581 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 04:26:06,744 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-10 04:26:06,959 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 04:26:06,964 INFO L272 AbstractInterpreter]: Visited 73 different actions 128 times. Merged at 10 different actions 12 times. Never widened. Performed 1088 root evaluator evaluations with a maximum evaluation depth of 5. Performed 1088 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 2 fixpoints after 2 different actions. Largest state had 73 variables. [2019-09-10 04:26:06,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 04:26:06,969 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 04:26:07,221 INFO L227 lantSequenceWeakener]: Weakened 16 states. On average, predicates are now at 91.54% of their original sizes. [2019-09-10 04:26:07,221 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 04:26:10,889 INFO L420 sIntCurrentIteration]: We unified 101 AI predicates to 101 [2019-09-10 04:26:10,889 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 04:26:10,890 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 04:26:10,890 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [55] imperfect sequences [5] total 58 [2019-09-10 04:26:10,890 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 04:26:10,890 INFO L454 AbstractCegarLoop]: Interpolant automaton has 55 states [2019-09-10 04:26:10,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2019-09-10 04:26:10,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=334, Invalid=2636, Unknown=0, NotChecked=0, Total=2970 [2019-09-10 04:26:10,892 INFO L87 Difference]: Start difference. First operand 1733 states and 2224 transitions. Second operand 55 states. [2019-09-10 04:26:42,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 04:26:42,268 INFO L93 Difference]: Finished difference Result 2531 states and 3369 transitions. [2019-09-10 04:26:42,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2019-09-10 04:26:42,269 INFO L78 Accepts]: Start accepts. Automaton has 55 states. Word has length 102 [2019-09-10 04:26:42,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 04:26:42,284 INFO L225 Difference]: With dead ends: 2531 [2019-09-10 04:26:42,284 INFO L226 Difference]: Without dead ends: 2531 [2019-09-10 04:26:42,288 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2819 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=674, Invalid=7516, Unknown=0, NotChecked=0, Total=8190 [2019-09-10 04:26:42,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2531 states. [2019-09-10 04:26:42,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2531 to 2226. [2019-09-10 04:26:42,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2226 states. [2019-09-10 04:26:42,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2226 states to 2226 states and 2836 transitions. [2019-09-10 04:26:42,372 INFO L78 Accepts]: Start accepts. Automaton has 2226 states and 2836 transitions. Word has length 102 [2019-09-10 04:26:42,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 04:26:42,372 INFO L475 AbstractCegarLoop]: Abstraction has 2226 states and 2836 transitions. [2019-09-10 04:26:42,373 INFO L476 AbstractCegarLoop]: Interpolant automaton has 55 states. [2019-09-10 04:26:42,373 INFO L276 IsEmpty]: Start isEmpty. Operand 2226 states and 2836 transitions. [2019-09-10 04:26:42,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-09-10 04:26:42,375 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 04:26:42,375 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-10 04:26:42,376 INFO L418 AbstractCegarLoop]: === Iteration 12 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 04:26:42,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 04:26:42,376 INFO L82 PathProgramCache]: Analyzing trace with hash -862816024, now seen corresponding path program 1 times [2019-09-10 04:26:42,376 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 04:26:42,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 04:26:42,378 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 04:26:42,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 04:26:42,378 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 04:26:42,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 04:26:42,450 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-09-10 04:26:42,451 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 04:26:42,451 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 04:26:42,451 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 103 with the following transitions: [2019-09-10 04:26:42,452 INFO L207 CegarAbsIntRunner]: [0], [3], [6], [9], [12], [15], [18], [21], [24], [27], [30], [33], [36], [39], [42], [45], [48], [97], [98], [99], [101], [110], [114], [116], [123], [126], [131], [134], [138], [151], [153], [154], [155], [158], [161], [166], [169], [176], [178], [181], [185], [187], [188], [211], [214], [218], [220], [221], [222], [223], [226], [242], [244], [246], [249], [253], [255], [256], [259], [261], [264], [266], [270], [271], [272], [273], [274], [275], [276], [277], [278], [279], [280], [281], [282], [283], [284] [2019-09-10 04:26:42,456 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 04:26:42,456 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 04:26:42,466 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-10 04:26:42,663 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 04:26:42,663 INFO L272 AbstractInterpreter]: Visited 76 different actions 251 times. Merged at 12 different actions 43 times. Never widened. Performed 2195 root evaluator evaluations with a maximum evaluation depth of 5. Performed 2195 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 7 fixpoints after 5 different actions. Largest state had 73 variables. [2019-09-10 04:26:42,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 04:26:42,664 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 04:26:42,797 INFO L227 lantSequenceWeakener]: Weakened 79 states. On average, predicates are now at 76.71% of their original sizes. [2019-09-10 04:26:42,797 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 04:26:44,535 INFO L420 sIntCurrentIteration]: We unified 101 AI predicates to 101 [2019-09-10 04:26:44,536 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 04:26:44,536 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 04:26:44,536 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [51] imperfect sequences [5] total 54 [2019-09-10 04:26:44,536 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 04:26:44,537 INFO L454 AbstractCegarLoop]: Interpolant automaton has 51 states [2019-09-10 04:26:44,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2019-09-10 04:26:44,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=229, Invalid=2321, Unknown=0, NotChecked=0, Total=2550 [2019-09-10 04:26:44,538 INFO L87 Difference]: Start difference. First operand 2226 states and 2836 transitions. Second operand 51 states. [2019-09-10 04:27:22,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 04:27:22,280 INFO L93 Difference]: Finished difference Result 4777 states and 6448 transitions. [2019-09-10 04:27:22,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2019-09-10 04:27:22,280 INFO L78 Accepts]: Start accepts. Automaton has 51 states. Word has length 102 [2019-09-10 04:27:22,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 04:27:22,307 INFO L225 Difference]: With dead ends: 4777 [2019-09-10 04:27:22,307 INFO L226 Difference]: Without dead ends: 4777 [2019-09-10 04:27:22,316 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 174 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10544 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=2579, Invalid=28221, Unknown=0, NotChecked=0, Total=30800 [2019-09-10 04:27:22,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4777 states. [2019-09-10 04:27:22,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4777 to 4249. [2019-09-10 04:27:22,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4249 states. [2019-09-10 04:27:22,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4249 states to 4249 states and 5459 transitions. [2019-09-10 04:27:22,450 INFO L78 Accepts]: Start accepts. Automaton has 4249 states and 5459 transitions. Word has length 102 [2019-09-10 04:27:22,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 04:27:22,450 INFO L475 AbstractCegarLoop]: Abstraction has 4249 states and 5459 transitions. [2019-09-10 04:27:22,450 INFO L476 AbstractCegarLoop]: Interpolant automaton has 51 states. [2019-09-10 04:27:22,450 INFO L276 IsEmpty]: Start isEmpty. Operand 4249 states and 5459 transitions. [2019-09-10 04:27:22,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-09-10 04:27:22,454 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 04:27:22,455 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 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] [2019-09-10 04:27:22,455 INFO L418 AbstractCegarLoop]: === Iteration 13 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 04:27:22,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 04:27:22,455 INFO L82 PathProgramCache]: Analyzing trace with hash -2059891990, now seen corresponding path program 1 times [2019-09-10 04:27:22,456 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 04:27:22,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 04:27:22,457 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 04:27:22,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 04:27:22,457 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 04:27:22,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 04:27:22,634 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-09-10 04:27:22,634 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 04:27:22,634 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 04:27:22,635 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 103 with the following transitions: [2019-09-10 04:27:22,635 INFO L207 CegarAbsIntRunner]: [0], [3], [6], [9], [12], [15], [18], [21], [24], [27], [30], [33], [36], [39], [42], [45], [48], [97], [98], [99], [101], [110], [114], [116], [123], [126], [131], [134], [138], [151], [153], [154], [155], [158], [174], [176], [178], [181], [185], [187], [188], [191], [194], [199], [202], [209], [211], [214], [218], [220], [221], [222], [223], [226], [242], [244], [246], [249], [253], [255], [256], [259], [261], [264], [266], [270], [271], [272], [273], [274], [275], [276], [277], [278], [279], [280], [281], [282], [283], [284] [2019-09-10 04:27:22,643 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 04:27:22,644 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 04:27:22,655 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-10 04:27:22,892 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 04:27:22,893 INFO L272 AbstractInterpreter]: Visited 79 different actions 408 times. Merged at 14 different actions 84 times. Never widened. Performed 3180 root evaluator evaluations with a maximum evaluation depth of 5. Performed 3180 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 19 fixpoints after 7 different actions. Largest state had 73 variables. [2019-09-10 04:27:22,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 04:27:22,893 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 04:27:22,980 INFO L227 lantSequenceWeakener]: Weakened 79 states. On average, predicates are now at 77.53% of their original sizes. [2019-09-10 04:27:22,981 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 04:27:24,818 INFO L420 sIntCurrentIteration]: We unified 101 AI predicates to 101 [2019-09-10 04:27:24,818 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 04:27:24,818 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 04:27:24,818 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [52] imperfect sequences [11] total 61 [2019-09-10 04:27:24,818 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 04:27:24,819 INFO L454 AbstractCegarLoop]: Interpolant automaton has 52 states [2019-09-10 04:27:24,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2019-09-10 04:27:24,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=251, Invalid=2401, Unknown=0, NotChecked=0, Total=2652 [2019-09-10 04:27:24,821 INFO L87 Difference]: Start difference. First operand 4249 states and 5459 transitions. Second operand 52 states. [2019-09-10 04:28:02,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 04:28:02,584 INFO L93 Difference]: Finished difference Result 5870 states and 7946 transitions. [2019-09-10 04:28:02,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2019-09-10 04:28:02,584 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 102 [2019-09-10 04:28:02,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 04:28:02,614 INFO L225 Difference]: With dead ends: 5870 [2019-09-10 04:28:02,614 INFO L226 Difference]: Without dead ends: 5870 [2019-09-10 04:28:02,619 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7234 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=2302, Invalid=20650, Unknown=0, NotChecked=0, Total=22952 [2019-09-10 04:28:02,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5870 states. [2019-09-10 04:28:02,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5870 to 5096. [2019-09-10 04:28:02,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5096 states. [2019-09-10 04:28:02,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5096 states to 5096 states and 6559 transitions. [2019-09-10 04:28:02,754 INFO L78 Accepts]: Start accepts. Automaton has 5096 states and 6559 transitions. Word has length 102 [2019-09-10 04:28:02,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 04:28:02,754 INFO L475 AbstractCegarLoop]: Abstraction has 5096 states and 6559 transitions. [2019-09-10 04:28:02,755 INFO L476 AbstractCegarLoop]: Interpolant automaton has 52 states. [2019-09-10 04:28:02,755 INFO L276 IsEmpty]: Start isEmpty. Operand 5096 states and 6559 transitions. [2019-09-10 04:28:02,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-09-10 04:28:02,758 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 04:28:02,759 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 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] [2019-09-10 04:28:02,759 INFO L418 AbstractCegarLoop]: === Iteration 14 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 04:28:02,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 04:28:02,759 INFO L82 PathProgramCache]: Analyzing trace with hash -2119793605, now seen corresponding path program 1 times [2019-09-10 04:28:02,759 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 04:28:02,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 04:28:02,761 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 04:28:02,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 04:28:02,761 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 04:28:02,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 04:28:03,038 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-09-10 04:28:03,038 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 04:28:03,039 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 04:28:03,039 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 104 with the following transitions: [2019-09-10 04:28:03,041 INFO L207 CegarAbsIntRunner]: [0], [3], [6], [9], [12], [15], [18], [21], [24], [27], [30], [33], [36], [39], [42], [45], [48], [97], [98], [99], [101], [110], [114], [116], [123], [126], [129], [131], [134], [138], [140], [145], [153], [154], [155], [158], [174], [176], [178], [181], [185], [187], [188], [191], [207], [209], [211], [214], [218], [220], [221], [222], [223], [226], [242], [244], [246], [249], [253], [255], [256], [259], [261], [264], [266], [270], [271], [272], [273], [274], [275], [276], [277], [278], [279], [280], [281], [282], [283], [284] [2019-09-10 04:28:03,050 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 04:28:03,050 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 04:28:03,056 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-10 04:28:03,205 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-10 04:28:03,206 INFO L272 AbstractInterpreter]: Visited 80 different actions 465 times. Merged at 17 different actions 118 times. Never widened. Performed 3436 root evaluator evaluations with a maximum evaluation depth of 6. Performed 3436 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 35 fixpoints after 8 different actions. Largest state had 73 variables. [2019-09-10 04:28:03,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 04:28:03,207 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-09-10 04:28:03,207 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 04:28:03,208 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) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-10 04:28:03,222 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 04:28:03,222 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-09-10 04:28:03,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 04:28:03,330 INFO L256 TraceCheckSpWp]: Trace formula consists of 629 conjuncts, 12 conjunts are in the unsatisfiable core [2019-09-10 04:28:03,353 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-10 04:28:03,561 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 8 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-09-10 04:28:03,561 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-09-10 04:28:03,856 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-09-10 04:28:03,863 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-09-10 04:28:03,863 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 6, 7] total 28 [2019-09-10 04:28:03,864 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-09-10 04:28:03,864 INFO L454 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-09-10 04:28:03,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-09-10 04:28:03,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=685, Unknown=0, NotChecked=0, Total=756 [2019-09-10 04:28:03,867 INFO L87 Difference]: Start difference. First operand 5096 states and 6559 transitions. Second operand 23 states. [2019-09-10 04:28:14,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 04:28:14,422 INFO L93 Difference]: Finished difference Result 17277 states and 22006 transitions. [2019-09-10 04:28:14,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2019-09-10 04:28:14,425 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 103 [2019-09-10 04:28:14,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 04:28:14,510 INFO L225 Difference]: With dead ends: 17277 [2019-09-10 04:28:14,510 INFO L226 Difference]: Without dead ends: 17241 [2019-09-10 04:28:14,513 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 380 GetRequests, 235 SyntacticMatches, 1 SemanticMatches, 144 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7325 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=3170, Invalid=18000, Unknown=0, NotChecked=0, Total=21170 [2019-09-10 04:28:14,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17241 states. [2019-09-10 04:28:14,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17241 to 15719. [2019-09-10 04:28:14,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15719 states. [2019-09-10 04:28:14,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15719 states to 15719 states and 20128 transitions. [2019-09-10 04:28:14,903 INFO L78 Accepts]: Start accepts. Automaton has 15719 states and 20128 transitions. Word has length 103 [2019-09-10 04:28:14,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 04:28:14,903 INFO L475 AbstractCegarLoop]: Abstraction has 15719 states and 20128 transitions. [2019-09-10 04:28:14,903 INFO L476 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-09-10 04:28:14,903 INFO L276 IsEmpty]: Start isEmpty. Operand 15719 states and 20128 transitions. [2019-09-10 04:28:14,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-09-10 04:28:14,909 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 04:28:14,909 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 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] [2019-09-10 04:28:14,909 INFO L418 AbstractCegarLoop]: === Iteration 15 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 04:28:14,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 04:28:14,910 INFO L82 PathProgramCache]: Analyzing trace with hash 1822974708, now seen corresponding path program 1 times [2019-09-10 04:28:14,910 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 04:28:14,911 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 04:28:14,911 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 04:28:14,911 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 04:28:14,911 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 04:28:14,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 04:28:15,343 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-09-10 04:28:15,344 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 04:28:15,344 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 04:28:15,344 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 105 with the following transitions: [2019-09-10 04:28:15,345 INFO L207 CegarAbsIntRunner]: [0], [3], [6], [9], [12], [15], [18], [21], [24], [27], [30], [33], [36], [39], [42], [45], [48], [97], [98], [99], [101], [110], [114], [116], [123], [126], [131], [134], [138], [151], [153], [154], [155], [158], [161], [166], [169], [176], [178], [181], [185], [187], [188], [191], [194], [199], [202], [209], [211], [214], [218], [220], [221], [222], [223], [226], [242], [244], [246], [249], [253], [255], [256], [259], [261], [264], [266], [270], [271], [272], [273], [274], [275], [276], [277], [278], [279], [280], [281], [282], [283], [284] [2019-09-10 04:28:15,349 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 04:28:15,349 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 04:28:15,356 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-10 04:28:15,514 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-10 04:28:15,514 INFO L272 AbstractInterpreter]: Visited 82 different actions 373 times. Merged at 17 different actions 73 times. Never widened. Performed 3014 root evaluator evaluations with a maximum evaluation depth of 6. Performed 3014 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 16 fixpoints after 6 different actions. Largest state had 73 variables. [2019-09-10 04:28:15,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 04:28:15,515 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-09-10 04:28:15,515 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 04:28:15,515 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 04:28:15,529 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 04:28:15,529 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 04:28:15,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 04:28:15,618 INFO L256 TraceCheckSpWp]: Trace formula consists of 634 conjuncts, 25 conjunts are in the unsatisfiable core [2019-09-10 04:28:15,624 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-10 04:28:15,930 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:28:16,285 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 04:28:16,286 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-09-10 04:28:16,939 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:28:17,098 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-09-10 04:28:17,107 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-09-10 04:28:17,108 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 15, 15] total 44 [2019-09-10 04:28:17,108 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-09-10 04:28:17,108 INFO L454 AbstractCegarLoop]: Interpolant automaton has 34 states [2019-09-10 04:28:17,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2019-09-10 04:28:17,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=176, Invalid=1716, Unknown=0, NotChecked=0, Total=1892 [2019-09-10 04:28:17,109 INFO L87 Difference]: Start difference. First operand 15719 states and 20128 transitions. Second operand 34 states. [2019-09-10 04:28:23,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 04:28:23,228 INFO L93 Difference]: Finished difference Result 43811 states and 56043 transitions. [2019-09-10 04:28:23,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2019-09-10 04:28:23,229 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 104 [2019-09-10 04:28:23,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 04:28:23,408 INFO L225 Difference]: With dead ends: 43811 [2019-09-10 04:28:23,408 INFO L226 Difference]: Without dead ends: 43775 [2019-09-10 04:28:23,414 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 204 SyntacticMatches, 1 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3704 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=2922, Invalid=11840, Unknown=0, NotChecked=0, Total=14762 [2019-09-10 04:28:23,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43775 states. [2019-09-10 04:28:24,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43775 to 41110. [2019-09-10 04:28:24,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41110 states. [2019-09-10 04:28:24,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41110 states to 41110 states and 52809 transitions. [2019-09-10 04:28:24,709 INFO L78 Accepts]: Start accepts. Automaton has 41110 states and 52809 transitions. Word has length 104 [2019-09-10 04:28:24,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 04:28:24,710 INFO L475 AbstractCegarLoop]: Abstraction has 41110 states and 52809 transitions. [2019-09-10 04:28:24,710 INFO L476 AbstractCegarLoop]: Interpolant automaton has 34 states. [2019-09-10 04:28:24,710 INFO L276 IsEmpty]: Start isEmpty. Operand 41110 states and 52809 transitions. [2019-09-10 04:28:24,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-09-10 04:28:24,715 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 04:28:24,715 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-10 04:28:24,715 INFO L418 AbstractCegarLoop]: === Iteration 16 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 04:28:24,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 04:28:24,716 INFO L82 PathProgramCache]: Analyzing trace with hash 228690026, now seen corresponding path program 1 times [2019-09-10 04:28:24,716 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 04:28:24,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 04:28:24,719 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 04:28:24,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 04:28:24,719 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 04:28:24,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 04:28:24,791 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-09-10 04:28:24,792 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 04:28:24,792 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 04:28:24,792 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 105 with the following transitions: [2019-09-10 04:28:24,792 INFO L207 CegarAbsIntRunner]: [0], [3], [6], [9], [12], [15], [18], [21], [24], [27], [30], [33], [36], [39], [42], [45], [48], [97], [98], [99], [101], [110], [114], [116], [123], [126], [131], [134], [138], [151], [153], [154], [155], [158], [161], [166], [169], [176], [178], [181], [185], [187], [188], [191], [194], [199], [202], [209], [211], [214], [218], [220], [221], [222], [223], [246], [249], [253], [255], [256], [259], [261], [264], [266], [270], [271], [272], [273], [274], [275], [276], [277], [278], [279], [280], [281], [282], [283], [284] [2019-09-10 04:28:24,794 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 04:28:24,794 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 04:28:24,800 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-10 04:28:25,793 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-10 04:28:25,793 INFO L272 AbstractInterpreter]: Visited 79 different actions 264 times. Merged at 15 different actions 43 times. Never widened. Performed 2354 root evaluator evaluations with a maximum evaluation depth of 6. Performed 2354 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 8 fixpoints after 3 different actions. Largest state had 73 variables. [2019-09-10 04:28:25,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 04:28:25,794 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-09-10 04:28:25,794 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 04:28:25,794 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 04:28:25,817 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 04:28:25,817 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-09-10 04:28:25,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 04:28:25,914 INFO L256 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 16 conjunts are in the unsatisfiable core [2019-09-10 04:28:25,925 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-10 04:28:26,035 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 27 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 04:28:26,036 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-09-10 04:28:26,092 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:28:26,104 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:28:26,105 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:28:26,198 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-09-10 04:28:26,202 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-09-10 04:28:26,202 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 11, 8] total 18 [2019-09-10 04:28:26,202 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-09-10 04:28:26,203 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-10 04:28:26,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-10 04:28:26,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2019-09-10 04:28:26,203 INFO L87 Difference]: Start difference. First operand 41110 states and 52809 transitions. Second operand 13 states. [2019-09-10 04:28:26,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 04:28:26,921 INFO L93 Difference]: Finished difference Result 40925 states and 53412 transitions. [2019-09-10 04:28:26,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-09-10 04:28:26,922 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 104 [2019-09-10 04:28:26,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 04:28:27,055 INFO L225 Difference]: With dead ends: 40925 [2019-09-10 04:28:27,055 INFO L226 Difference]: Without dead ends: 40925 [2019-09-10 04:28:27,056 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 199 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=184, Invalid=466, Unknown=0, NotChecked=0, Total=650 [2019-09-10 04:28:27,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40925 states. [2019-09-10 04:28:27,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40925 to 37888. [2019-09-10 04:28:27,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37888 states. [2019-09-10 04:28:27,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37888 states to 37888 states and 47843 transitions. [2019-09-10 04:28:27,972 INFO L78 Accepts]: Start accepts. Automaton has 37888 states and 47843 transitions. Word has length 104 [2019-09-10 04:28:27,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 04:28:27,972 INFO L475 AbstractCegarLoop]: Abstraction has 37888 states and 47843 transitions. [2019-09-10 04:28:27,972 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-10 04:28:27,972 INFO L276 IsEmpty]: Start isEmpty. Operand 37888 states and 47843 transitions. [2019-09-10 04:28:27,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-09-10 04:28:27,976 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 04:28:27,976 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 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] [2019-09-10 04:28:27,976 INFO L418 AbstractCegarLoop]: === Iteration 17 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 04:28:27,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 04:28:27,977 INFO L82 PathProgramCache]: Analyzing trace with hash 592624872, now seen corresponding path program 1 times [2019-09-10 04:28:27,977 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 04:28:27,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 04:28:27,978 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 04:28:27,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 04:28:27,978 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 04:28:27,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 04:28:28,280 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 11 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-09-10 04:28:28,280 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 04:28:28,280 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 04:28:28,281 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 105 with the following transitions: [2019-09-10 04:28:28,281 INFO L207 CegarAbsIntRunner]: [0], [3], [6], [9], [12], [15], [18], [21], [24], [27], [30], [33], [36], [39], [42], [45], [48], [97], [98], [99], [101], [110], [114], [116], [123], [126], [131], [134], [138], [151], [153], [154], [155], [158], [161], [166], [169], [176], [178], [181], [185], [187], [188], [191], [207], [209], [211], [214], [218], [220], [221], [222], [223], [226], [229], [234], [237], [244], [246], [249], [253], [255], [256], [259], [261], [264], [266], [270], [271], [272], [273], [274], [275], [276], [277], [278], [279], [280], [281], [282], [283], [284] [2019-09-10 04:28:28,282 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 04:28:28,283 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 04:28:28,288 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-10 04:28:28,607 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-10 04:28:28,607 INFO L272 AbstractInterpreter]: Visited 82 different actions 380 times. Merged at 17 different actions 73 times. Never widened. Performed 2989 root evaluator evaluations with a maximum evaluation depth of 6. Performed 2989 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 17 fixpoints after 7 different actions. Largest state had 73 variables. [2019-09-10 04:28:28,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 04:28:28,607 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-09-10 04:28:28,607 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 04:28:28,608 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 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-10 04:28:28,617 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 04:28:28,618 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-09-10 04:28:28,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 04:28:28,708 INFO L256 TraceCheckSpWp]: Trace formula consists of 634 conjuncts, 32 conjunts are in the unsatisfiable core [2019-09-10 04:28:28,712 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-10 04:28:29,074 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:28:29,996 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 04:28:29,996 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-09-10 04:28:30,303 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:28:31,169 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-09-10 04:28:31,173 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-09-10 04:28:31,173 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17, 17] total 49 [2019-09-10 04:28:31,174 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-09-10 04:28:31,175 INFO L454 AbstractCegarLoop]: Interpolant automaton has 34 states [2019-09-10 04:28:31,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2019-09-10 04:28:31,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=2187, Unknown=0, NotChecked=0, Total=2352 [2019-09-10 04:28:31,175 INFO L87 Difference]: Start difference. First operand 37888 states and 47843 transitions. Second operand 34 states. [2019-09-10 04:28:32,713 WARN L188 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-10 04:28:33,035 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-10 04:28:33,353 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 81 [2019-09-10 04:28:33,626 WARN L188 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-10 04:28:33,917 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-10 04:28:34,184 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-10 04:28:34,486 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-10 04:28:34,863 WARN L188 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-09-10 04:28:35,155 WARN L188 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-10 04:28:35,494 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 81 [2019-09-10 04:28:36,054 WARN L188 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 81 [2019-09-10 04:28:36,313 WARN L188 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-10 04:28:36,633 WARN L188 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 04:28:36,936 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2019-09-10 04:28:37,612 WARN L188 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2019-09-10 04:28:37,854 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 75 [2019-09-10 04:28:38,160 WARN L188 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2019-09-10 04:28:38,526 WARN L188 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-10 04:28:38,750 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 66 [2019-09-10 04:28:39,047 WARN L188 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-09-10 04:28:39,295 WARN L188 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 80 [2019-09-10 04:28:39,654 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 78 [2019-09-10 04:28:39,978 WARN L188 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 84 [2019-09-10 04:28:40,231 WARN L188 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 79 [2019-09-10 04:28:40,511 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-10 04:28:40,821 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 80 [2019-09-10 04:28:41,093 WARN L188 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 79 [2019-09-10 04:28:41,340 WARN L188 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 82 [2019-09-10 04:28:41,598 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2019-09-10 04:28:41,963 WARN L188 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2019-09-10 04:28:42,324 WARN L188 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 79 [2019-09-10 04:28:42,659 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2019-09-10 04:28:42,956 WARN L188 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 85 [2019-09-10 04:28:43,441 WARN L188 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 86 [2019-09-10 04:28:43,768 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2019-09-10 04:28:44,079 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2019-09-10 04:28:44,371 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 81 [2019-09-10 04:28:44,708 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2019-09-10 04:28:44,950 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2019-09-10 04:28:45,220 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 74 [2019-09-10 04:28:45,529 WARN L188 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-10 04:28:45,807 WARN L188 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 78 [2019-09-10 04:28:46,103 WARN L188 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 87 [2019-09-10 04:28:46,467 WARN L188 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 84 [2019-09-10 04:28:46,760 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 82 [2019-09-10 04:28:47,049 WARN L188 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 81 [2019-09-10 04:28:47,328 WARN L188 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2019-09-10 04:28:47,607 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2019-09-10 04:28:47,870 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 83 [2019-09-10 04:28:48,134 WARN L188 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-10 04:28:48,383 WARN L188 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 82 [2019-09-10 04:28:48,683 WARN L188 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 91 [2019-09-10 04:28:48,937 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2019-09-10 04:28:49,186 WARN L188 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 79 [2019-09-10 04:28:49,461 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 88 [2019-09-10 04:28:49,798 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 85 [2019-09-10 04:28:50,053 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 74 [2019-09-10 04:28:50,324 WARN L188 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-09-10 04:28:50,588 WARN L188 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2019-09-10 04:28:50,916 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2019-09-10 04:28:51,161 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2019-09-10 04:28:51,411 WARN L188 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 80 [2019-09-10 04:28:51,704 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 89 [2019-09-10 04:28:51,986 WARN L188 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2019-09-10 04:28:52,420 WARN L188 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-09-10 04:28:52,673 WARN L188 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 74 [2019-09-10 04:28:52,947 WARN L188 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-10 04:28:53,252 WARN L188 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 82 [2019-09-10 04:28:53,544 WARN L188 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 80 [2019-09-10 04:28:53,826 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2019-09-10 04:28:54,089 WARN L188 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 80 [2019-09-10 04:28:54,400 WARN L188 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2019-09-10 04:28:54,646 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2019-09-10 04:28:55,014 WARN L188 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 83 [2019-09-10 04:28:55,431 WARN L188 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 91 [2019-09-10 04:28:55,772 WARN L188 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-10 04:28:56,083 WARN L188 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2019-09-10 04:28:56,375 WARN L188 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 80 [2019-09-10 04:28:56,606 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 69 [2019-09-10 04:28:56,872 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 77 [2019-09-10 04:28:57,098 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2019-09-10 04:28:57,385 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-09-10 04:28:57,707 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2019-09-10 04:28:58,166 WARN L188 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 89 [2019-09-10 04:28:58,438 WARN L188 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 81 [2019-09-10 04:28:58,748 WARN L188 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 89 [2019-09-10 04:28:58,967 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 69 [2019-09-10 04:28:59,193 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2019-09-10 04:28:59,423 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2019-09-10 04:28:59,740 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 66 [2019-09-10 04:29:00,087 WARN L188 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 81 [2019-09-10 04:29:00,338 WARN L188 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2019-09-10 04:29:00,579 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 66 [2019-09-10 04:29:00,816 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2019-09-10 04:29:01,128 WARN L188 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 79 [2019-09-10 04:29:01,386 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 79 [2019-09-10 04:29:03,444 WARN L188 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2019-09-10 04:29:03,698 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 76 [2019-09-10 04:29:03,989 WARN L188 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 84 [2019-09-10 04:29:04,347 WARN L188 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2019-09-10 04:29:04,605 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 81 [2019-09-10 04:29:04,868 WARN L188 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2019-09-10 04:29:05,122 WARN L188 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 80 [2019-09-10 04:29:05,390 WARN L188 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 82 [2019-09-10 04:29:05,701 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 89 [2019-09-10 04:29:05,956 WARN L188 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-10 04:29:06,209 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 74 [2019-09-10 04:29:06,487 WARN L188 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 81 [2019-09-10 04:29:06,754 WARN L188 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 78 [2019-09-10 04:29:06,989 WARN L188 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2019-09-10 04:29:07,282 WARN L188 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2019-09-10 04:29:07,532 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2019-09-10 04:29:07,788 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 76 [2019-09-10 04:29:08,051 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-10 04:29:08,338 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 83 [2019-09-10 04:29:08,600 WARN L188 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 81 [2019-09-10 04:29:08,858 WARN L188 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2019-09-10 04:29:09,120 WARN L188 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2019-09-10 04:29:09,369 WARN L188 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2019-09-10 04:29:09,612 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 73 [2019-09-10 04:29:09,883 WARN L188 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2019-09-10 04:29:10,154 WARN L188 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 84 [2019-09-10 04:29:10,422 WARN L188 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 74 [2019-09-10 04:29:10,677 WARN L188 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 74 [2019-09-10 04:29:10,953 WARN L188 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 81 [2019-09-10 04:29:11,227 WARN L188 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2019-09-10 04:29:11,475 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 66 [2019-09-10 04:29:11,882 WARN L188 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 78 [2019-09-10 04:29:12,121 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2019-09-10 04:29:12,358 WARN L188 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 68 [2019-09-10 04:29:12,620 WARN L188 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2019-09-10 04:29:12,865 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2019-09-10 04:29:13,120 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-09-10 04:29:13,387 WARN L188 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2019-09-10 04:29:13,646 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 66 [2019-09-10 04:29:13,875 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-10 04:29:14,245 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2019-09-10 04:29:14,528 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-10 04:29:14,939 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2019-09-10 04:29:15,195 WARN L188 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-10 04:29:15,490 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2019-09-10 04:29:15,750 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 75 [2019-09-10 04:29:16,063 WARN L188 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 83 [2019-09-10 04:29:16,284 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2019-09-10 04:29:16,557 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2019-09-10 04:29:16,870 WARN L188 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-10 04:29:17,086 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2019-09-10 04:29:17,491 WARN L188 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 79 [2019-09-10 04:29:17,796 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2019-09-10 04:29:18,072 WARN L188 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 73 [2019-09-10 04:29:18,332 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 71 [2019-09-10 04:29:18,586 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2019-09-10 04:29:18,864 WARN L188 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2019-09-10 04:29:19,121 WARN L188 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 75 [2019-09-10 04:29:19,354 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-09-10 04:29:19,617 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 73 [2019-09-10 04:29:19,881 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 73 [2019-09-10 04:29:20,136 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 71 [2019-09-10 04:29:20,380 WARN L188 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-10 04:29:20,635 WARN L188 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 73 [2019-09-10 04:29:20,906 WARN L188 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 79 [2019-09-10 04:29:21,155 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 81 [2019-09-10 04:29:21,441 WARN L188 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 87 [2019-09-10 04:29:21,802 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2019-09-10 04:29:22,067 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2019-09-10 04:29:22,328 WARN L188 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 79 [2019-09-10 04:29:22,598 WARN L188 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-10 04:29:22,858 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-10 04:29:23,120 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 71 [2019-09-10 04:29:23,369 WARN L188 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 74 [2019-09-10 04:29:23,615 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2019-09-10 04:29:23,904 WARN L188 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 80 [2019-09-10 04:29:24,196 WARN L188 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 85 [2019-09-10 04:29:24,471 WARN L188 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 82 [2019-09-10 04:29:24,767 WARN L188 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 91 [2019-09-10 04:29:25,060 WARN L188 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 88 [2019-09-10 04:29:25,306 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 73 [2019-09-10 04:29:25,581 WARN L188 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 79 [2019-09-10 04:29:25,859 WARN L188 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-09-10 04:29:26,135 WARN L188 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 80 [2019-09-10 04:29:26,397 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2019-09-10 04:29:26,650 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2019-09-10 04:29:26,902 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2019-09-10 04:29:27,163 WARN L188 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 83 [2019-09-10 04:29:27,446 WARN L188 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 81 [2019-09-10 04:29:27,720 WARN L188 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 80 [2019-09-10 04:29:27,970 WARN L188 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 71 [2019-09-10 04:29:28,153 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2019-09-10 04:29:28,519 WARN L188 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 79 [2019-09-10 04:29:28,700 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2019-09-10 04:29:28,956 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 77 [2019-09-10 04:29:29,222 WARN L188 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 75 [2019-09-10 04:29:29,480 WARN L188 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 73 [2019-09-10 04:29:29,737 WARN L188 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 72 [2019-09-10 04:29:29,976 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 71 [2019-09-10 04:29:30,231 WARN L188 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2019-09-10 04:29:30,485 WARN L188 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 77 [2019-09-10 04:29:30,737 WARN L188 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2019-09-10 04:29:31,025 WARN L188 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2019-09-10 04:29:31,282 WARN L188 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2019-09-10 04:29:31,656 WARN L188 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 77 [2019-09-10 04:29:31,888 WARN L188 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 74 [2019-09-10 04:29:32,141 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 83 [2019-09-10 04:29:32,396 WARN L188 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 80 [2019-09-10 04:29:32,591 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2019-09-10 04:29:32,926 WARN L188 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 81 [2019-09-10 04:29:33,108 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2019-09-10 04:29:33,323 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2019-09-10 04:29:33,595 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 77 [2019-09-10 04:29:33,856 WARN L188 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 75 [2019-09-10 04:29:34,150 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 83 [2019-09-10 04:29:34,510 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 77 [2019-09-10 04:29:34,749 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2019-09-10 04:29:34,990 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 75 [2019-09-10 04:29:35,244 WARN L188 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2019-09-10 04:29:35,486 WARN L188 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2019-09-10 04:29:35,654 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2019-09-10 04:29:35,872 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 79 [2019-09-10 04:29:36,050 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2019-09-10 04:29:36,310 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 77 [2019-09-10 04:29:36,505 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2019-09-10 04:29:36,754 WARN L188 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 75 [2019-09-10 04:29:37,015 WARN L188 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 73 [2019-09-10 04:29:37,273 WARN L188 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 72 [2019-09-10 04:29:37,602 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 74 [2019-09-10 04:29:37,772 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2019-09-10 04:29:38,099 WARN L188 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-09-10 04:29:38,279 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2019-09-10 04:29:38,536 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 69 [2019-09-10 04:29:38,807 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2019-09-10 04:29:39,067 WARN L188 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2019-09-10 04:29:39,305 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2019-09-10 04:29:39,565 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2019-09-10 04:29:39,796 WARN L188 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 79 [2019-09-10 04:29:39,988 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 70 [2019-09-10 04:29:40,336 WARN L188 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 76 [2019-09-10 04:29:40,510 WARN L188 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2019-09-10 04:29:40,911 WARN L188 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 74 [2019-09-10 04:29:41,092 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2019-09-10 04:29:41,462 WARN L188 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2019-09-10 04:29:41,800 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2019-09-10 04:29:41,987 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2019-09-10 04:29:42,343 WARN L188 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-10 04:29:42,555 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 67 [2019-09-10 04:29:42,735 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 59 [2019-09-10 04:29:42,941 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2019-09-10 04:29:43,114 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2019-09-10 04:29:43,334 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2019-09-10 04:29:43,691 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-09-10 04:29:43,911 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-09-10 04:29:44,154 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2019-09-10 04:29:44,350 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 79 [2019-09-10 04:29:44,554 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2019-09-10 04:29:44,764 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 69 [2019-09-10 04:29:44,931 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-09-10 04:29:45,154 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-09-10 04:29:45,335 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2019-09-10 04:29:45,662 WARN L188 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-10 04:29:45,841 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2019-09-10 04:29:47,714 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2019-09-10 04:29:48,345 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2019-09-10 04:29:49,452 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 59 [2019-09-10 04:29:49,754 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 67 [2019-09-10 04:29:51,223 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 69 [2019-09-10 04:29:51,508 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2019-09-10 04:29:53,352 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2019-09-10 04:29:53,605 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 81 [2019-09-10 04:29:53,884 WARN L188 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-10 04:29:54,067 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2019-09-10 04:29:54,256 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2019-09-10 04:29:54,534 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 82 [2019-09-10 04:29:54,814 WARN L188 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 80 [2019-09-10 04:29:55,032 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 74 [2019-09-10 04:29:55,240 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2019-09-10 04:29:55,604 WARN L188 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2019-09-10 04:29:55,810 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2019-09-10 04:29:56,113 WARN L188 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 81 [2019-09-10 04:29:56,304 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2019-09-10 04:29:56,601 WARN L188 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 79 [2019-09-10 04:29:56,783 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2019-09-10 04:29:57,038 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2019-09-10 04:29:57,210 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2019-09-10 04:29:57,401 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2019-09-10 04:29:57,607 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 70 [2019-09-10 04:29:57,866 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-09-10 04:29:58,048 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2019-09-10 04:29:58,225 WARN L188 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2019-09-10 04:29:58,490 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-09-10 04:29:58,751 WARN L188 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-10 04:29:58,930 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2019-09-10 04:29:59,116 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2019-09-10 04:29:59,391 WARN L188 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 74 [2019-09-10 04:29:59,569 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 64 [2019-09-10 04:29:59,830 WARN L188 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 72 [2019-09-10 04:30:00,017 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 62 [2019-09-10 04:30:00,279 WARN L188 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 80 [2019-09-10 04:30:00,545 WARN L188 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 78 [2019-09-10 04:30:00,796 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 74 [2019-09-10 04:30:01,047 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 72 [2019-09-10 04:30:01,238 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2019-09-10 04:30:01,423 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2019-09-10 04:30:01,608 WARN L188 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 70 [2019-09-10 04:30:01,919 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 66 [2019-09-10 04:30:02,088 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 64 [2019-09-10 04:30:02,373 WARN L188 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-10 04:30:02,567 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2019-09-10 04:30:02,830 WARN L188 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-10 04:30:03,014 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2019-09-10 04:30:03,273 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 81 [2019-09-10 04:30:03,453 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2019-09-10 04:30:03,721 WARN L188 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 76 [2019-09-10 04:30:03,933 WARN L188 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 66 [2019-09-10 04:30:04,195 WARN L188 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 74 [2019-09-10 04:30:04,394 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 64 [2019-09-10 04:30:04,669 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 77 [2019-09-10 04:30:04,908 WARN L188 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2019-09-10 04:30:05,112 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 66 [2019-09-10 04:30:05,371 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2019-09-10 04:30:05,790 WARN L188 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2019-09-10 04:30:05,963 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2019-09-10 04:30:06,144 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2019-09-10 04:30:06,334 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 70 [2019-09-10 04:30:06,526 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2019-09-10 04:30:06,785 WARN L188 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 78 [2019-09-10 04:30:06,990 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2019-09-10 04:30:07,207 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2019-09-10 04:30:07,474 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2019-09-10 04:30:07,650 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 64 [2019-09-10 04:30:07,837 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 62 [2019-09-10 04:30:08,096 WARN L188 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 72 [2019-09-10 04:30:08,352 WARN L188 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2019-09-10 04:30:08,528 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2019-09-10 04:30:08,713 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2019-09-10 04:30:08,958 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2019-09-10 04:30:09,230 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 68 [2019-09-10 04:30:09,412 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2019-09-10 04:30:09,620 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2019-09-10 04:30:09,888 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 72 [2019-09-10 04:30:10,150 WARN L188 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2019-09-10 04:30:10,345 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2019-09-10 04:30:10,530 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2019-09-10 04:30:10,687 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 62 [2019-09-10 04:30:10,850 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2019-09-10 04:30:11,126 WARN L188 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 79 [2019-09-10 04:30:11,321 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2019-09-10 04:30:11,708 WARN L188 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 93 [2019-09-10 04:30:11,943 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2019-09-10 04:30:12,527 WARN L188 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 74 [2019-09-10 04:30:12,787 WARN L188 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 72 [2019-09-10 04:30:12,980 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2019-09-10 04:30:13,163 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2019-09-10 04:30:13,427 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 72 [2019-09-10 04:30:13,689 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2019-09-10 04:30:13,882 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2019-09-10 04:30:14,081 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2019-09-10 04:30:14,341 WARN L188 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2019-09-10 04:30:14,541 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 62 [2019-09-10 04:30:14,790 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2019-09-10 04:30:15,276 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2019-09-10 04:30:15,548 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2019-09-10 04:30:15,738 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2019-09-10 04:30:15,941 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2019-09-10 04:30:16,129 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2019-09-10 04:30:16,336 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2019-09-10 04:30:16,594 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2019-09-10 04:30:17,351 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 68 [2019-09-10 04:30:17,856 WARN L188 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2019-09-10 04:30:18,130 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2019-09-10 04:30:18,936 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-09-10 04:30:19,132 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2019-09-10 04:30:19,491 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2019-09-10 04:30:19,757 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2019-09-10 04:30:19,958 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2019-09-10 04:30:20,167 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2019-09-10 04:30:20,618 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2019-09-10 04:30:20,941 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-09-10 04:30:21,113 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-09-10 04:30:21,674 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2019-09-10 04:30:21,885 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2019-09-10 04:30:23,346 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2019-09-10 04:30:23,761 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-10 04:30:23,972 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-10 04:30:24,141 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2019-09-10 04:30:24,587 WARN L188 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 71 [2019-09-10 04:30:24,811 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 69 [2019-09-10 04:30:25,480 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2019-09-10 04:30:25,798 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 60 [2019-09-10 04:30:26,180 WARN L188 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2019-09-10 04:30:26,382 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2019-09-10 04:30:26,589 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2019-09-10 04:30:26,800 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2019-09-10 04:30:27,172 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2019-09-10 04:30:28,468 WARN L188 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2019-09-10 04:30:28,685 WARN L188 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-10 04:30:28,891 WARN L188 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 65 [2019-09-10 04:30:29,099 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-10 04:30:29,360 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-10 04:30:29,545 WARN L188 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-09-10 04:30:29,718 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 57 [2019-09-10 04:30:30,041 WARN L188 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 91 [2019-09-10 04:30:30,253 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-10 04:30:30,427 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-10 04:30:30,615 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2019-09-10 04:30:30,811 WARN L188 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 58 [2019-09-10 04:30:31,015 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2019-09-10 04:30:31,205 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 56 [2019-09-10 04:30:31,405 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2019-09-10 04:30:31,701 WARN L188 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2019-09-10 04:30:31,982 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2019-09-10 04:30:32,176 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 60 [2019-09-10 04:30:32,350 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2019-09-10 04:30:32,522 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2019-09-10 04:30:32,801 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 83 [2019-09-10 04:30:33,000 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2019-09-10 04:30:33,179 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2019-09-10 04:30:33,384 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2019-09-10 04:30:33,582 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2019-09-10 04:30:33,765 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2019-09-10 04:30:34,098 WARN L188 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 66 [2019-09-10 04:30:34,318 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 73 [2019-09-10 04:30:34,527 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 64 [2019-09-10 04:30:34,738 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 71 [2019-09-10 04:30:34,939 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2019-09-10 04:30:35,117 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2019-09-10 04:30:35,378 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2019-09-10 04:30:35,848 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 68 [2019-09-10 04:30:36,127 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-09-10 04:30:36,314 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2019-09-10 04:30:36,511 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2019-09-10 04:30:36,781 WARN L188 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2019-09-10 04:30:36,964 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2019-09-10 04:30:37,145 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-09-10 04:30:37,344 WARN L188 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 68 [2019-09-10 04:30:37,534 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2019-09-10 04:30:37,719 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2019-09-10 04:30:37,920 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 66 [2019-09-10 04:30:38,118 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2019-09-10 04:30:38,325 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2019-09-10 04:30:38,508 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 58 [2019-09-10 04:30:38,705 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2019-09-10 04:30:38,901 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 56 [2019-09-10 04:30:39,102 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2019-09-10 04:30:39,320 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-10 04:30:39,525 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-10 04:30:39,967 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2019-09-10 04:30:40,191 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-10 04:30:40,406 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-10 04:30:41,501 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2019-09-10 04:30:41,695 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2019-09-10 04:30:41,906 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2019-09-10 04:30:42,153 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2019-09-10 04:30:42,334 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 60 [2019-09-10 04:30:42,898 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2019-09-10 04:30:43,550 WARN L188 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2019-09-10 04:30:43,836 WARN L188 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 81 [2019-09-10 04:30:44,058 WARN L188 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 57 [2019-09-10 04:30:44,253 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2019-09-10 04:30:44,586 WARN L188 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-10 04:30:44,828 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2019-09-10 04:30:45,043 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2019-09-10 04:30:45,257 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2019-09-10 04:30:45,643 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2019-09-10 04:30:46,334 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2019-09-10 04:30:46,778 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-10 04:30:46,970 WARN L188 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-10 04:30:47,181 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-10 04:30:47,399 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-09-10 04:30:47,674 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 73 [2019-09-10 04:30:48,069 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2019-09-10 04:30:48,274 WARN L188 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2019-09-10 04:30:48,610 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2019-09-10 04:30:48,853 WARN L188 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2019-09-10 04:30:49,995 WARN L188 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-10 04:30:50,197 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-10 04:30:50,395 WARN L188 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-10 04:30:50,599 WARN L188 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-10 04:30:50,785 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 60 [2019-09-10 04:30:50,994 WARN L188 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-10 04:30:51,209 WARN L188 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-10 04:30:51,496 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2019-09-10 04:30:51,699 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-10 04:30:51,892 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-10 04:30:52,113 WARN L188 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-10 04:30:52,296 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2019-09-10 04:30:52,484 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2019-09-10 04:30:52,681 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2019-09-10 04:30:53,133 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-09-10 04:30:53,324 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 57 [2019-09-10 04:30:53,531 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2019-09-10 04:30:53,899 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2019-09-10 04:30:54,133 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2019-09-10 04:30:54,405 WARN L188 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 65 [2019-09-10 04:30:54,588 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2019-09-10 04:30:54,842 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 63 [2019-09-10 04:30:55,157 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2019-09-10 04:30:55,351 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2019-09-10 04:30:55,544 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2019-09-10 04:30:56,668 WARN L188 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 79 DAG size of output: 71 [2019-09-10 04:30:56,800 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2019-09-10 04:30:57,033 WARN L188 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2019-09-10 04:30:57,342 WARN L188 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 83 [2019-09-10 04:30:57,702 WARN L188 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-10 04:30:57,901 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2019-09-10 04:30:58,152 WARN L188 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 63 [2019-09-10 04:30:58,517 WARN L188 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 61 [2019-09-10 04:30:58,837 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2019-09-10 04:30:59,093 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 69 [2019-09-10 04:30:59,522 WARN L188 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 89 [2019-09-10 04:30:59,714 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2019-09-10 04:30:59,891 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2019-09-10 04:31:00,078 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 57 [2019-09-10 04:31:00,264 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2019-09-10 04:31:00,457 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2019-09-10 04:31:00,660 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2019-09-10 04:31:00,861 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2019-09-10 04:31:01,149 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 81 [2019-09-10 04:31:01,341 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 57 [2019-09-10 04:31:01,534 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2019-09-10 04:31:01,739 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2019-09-10 04:31:02,026 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2019-09-10 04:31:02,230 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2019-09-10 04:31:02,438 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 69 [2019-09-10 04:31:02,910 WARN L188 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2019-09-10 04:31:03,200 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-09-10 04:31:03,457 WARN L188 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 79 [2019-09-10 04:31:03,660 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2019-09-10 04:31:03,911 WARN L188 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2019-09-10 04:31:04,274 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2019-09-10 04:31:04,488 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 77 [2019-09-10 04:31:04,731 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2019-09-10 04:31:05,024 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2019-09-10 04:31:05,278 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2019-09-10 04:31:05,784 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-09-10 04:31:05,969 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2019-09-10 04:31:06,236 WARN L188 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 64 [2019-09-10 04:31:06,555 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2019-09-10 04:31:06,865 WARN L188 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 75 [2019-09-10 04:31:07,304 WARN L188 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 80 [2019-09-10 04:31:07,536 WARN L188 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2019-09-10 04:31:07,766 WARN L188 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2019-09-10 04:31:08,137 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-09-10 04:31:08,468 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-09-10 04:31:08,732 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 62 [2019-09-10 04:31:09,149 WARN L188 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 81 [2019-09-10 04:31:09,338 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2019-09-10 04:31:09,540 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2019-09-10 04:31:09,732 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2019-09-10 04:31:09,933 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2019-09-10 04:31:10,132 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2019-09-10 04:31:10,353 WARN L188 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 73 [2019-09-10 04:31:10,565 WARN L188 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2019-09-10 04:31:10,766 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2019-09-10 04:31:10,982 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2019-09-10 04:31:11,203 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 71 [2019-09-10 04:31:11,381 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2019-09-10 04:31:11,579 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2019-09-10 04:31:11,772 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2019-09-10 04:31:12,542 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2019-09-10 04:31:13,217 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2019-09-10 04:31:13,710 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2019-09-10 04:31:13,917 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2019-09-10 04:31:14,179 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2019-09-10 04:31:14,507 WARN L188 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 77 [2019-09-10 04:31:14,726 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2019-09-10 04:31:14,937 WARN L188 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-09-10 04:31:15,135 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-09-10 04:31:15,496 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2019-09-10 04:31:15,794 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2019-09-10 04:31:16,137 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2019-09-10 04:31:16,312 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2019-09-10 04:31:16,619 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2019-09-10 04:31:17,241 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2019-09-10 04:31:17,584 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2019-09-10 04:31:17,758 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2019-09-10 04:31:17,953 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 57 [2019-09-10 04:31:18,155 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2019-09-10 04:31:18,348 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2019-09-10 04:31:18,583 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2019-09-10 04:31:18,771 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 57 [2019-09-10 04:31:18,980 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2019-09-10 04:31:19,183 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2019-09-10 04:31:20,039 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2019-09-10 04:31:20,858 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2019-09-10 04:31:21,850 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2019-09-10 04:31:22,944 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-09-10 04:31:23,101 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2019-09-10 04:31:24,047 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2019-09-10 04:31:27,050 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2019-09-10 04:31:27,326 WARN L188 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-10 04:31:27,567 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2019-09-10 04:31:28,065 WARN L188 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-10 04:31:28,297 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2019-09-10 04:31:28,691 WARN L188 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2019-09-10 04:31:28,892 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2019-09-10 04:31:29,120 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2019-09-10 04:31:31,839 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2019-09-10 04:31:32,119 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-09-10 04:31:32,318 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2019-09-10 04:31:32,588 WARN L188 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 80 [2019-09-10 04:31:32,878 WARN L188 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-10 04:31:33,064 WARN L188 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2019-09-10 04:31:33,276 WARN L188 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2019-09-10 04:31:34,183 WARN L188 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 74 [2019-09-10 04:31:34,390 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2019-09-10 04:31:34,613 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 80 [2019-09-10 04:31:34,808 WARN L188 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2019-09-10 04:31:35,007 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2019-09-10 04:31:35,215 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2019-09-10 04:31:35,435 WARN L188 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2019-09-10 04:31:35,644 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2019-09-10 04:31:35,861 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 70 [2019-09-10 04:31:36,073 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 78 [2019-09-10 04:31:36,274 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2019-09-10 04:31:36,564 WARN L188 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 74 [2019-09-10 04:31:36,768 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2019-09-10 04:31:37,042 WARN L188 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 72 [2019-09-10 04:31:37,249 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2019-09-10 04:31:37,609 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2019-09-10 04:31:37,821 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2019-09-10 04:31:38,031 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 70 [2019-09-10 04:31:40,036 WARN L188 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 81 [2019-09-10 04:31:40,232 WARN L188 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2019-09-10 04:31:40,460 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2019-09-10 04:31:40,661 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2019-09-10 04:31:40,857 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2019-09-10 04:31:41,078 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2019-09-10 04:31:41,297 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 70 [2019-09-10 04:31:41,507 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2019-09-10 04:31:41,719 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2019-09-10 04:31:41,920 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2019-09-10 04:31:42,141 WARN L188 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 79 [2019-09-10 04:31:42,478 WARN L188 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 77 [2019-09-10 04:31:42,674 WARN L188 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2019-09-10 04:31:42,931 WARN L188 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 75 [2019-09-10 04:31:43,187 WARN L188 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 75 [2019-09-10 04:31:43,384 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2019-09-10 04:31:43,655 WARN L188 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 72 [2019-09-10 04:31:43,919 WARN L188 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 73 [2019-09-10 04:31:44,113 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 62 [2019-09-10 04:31:44,410 WARN L188 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 83 [2019-09-10 04:31:44,619 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2019-09-10 04:31:44,911 WARN L188 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 81 [2019-09-10 04:31:45,159 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2019-09-10 04:31:45,361 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2019-09-10 04:31:45,548 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2019-09-10 04:31:45,741 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2019-09-10 04:31:45,946 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2019-09-10 04:31:46,151 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2019-09-10 04:31:46,366 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2019-09-10 04:31:46,557 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2019-09-10 04:31:46,768 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2019-09-10 04:31:46,976 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 70 [2019-09-10 04:31:47,616 WARN L188 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 75 [2019-09-10 04:31:47,938 WARN L188 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 83 [2019-09-10 04:31:48,152 WARN L188 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2019-09-10 04:31:48,481 WARN L188 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 81 [2019-09-10 04:31:48,738 WARN L188 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2019-09-10 04:31:48,963 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2019-09-10 04:31:49,183 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2019-09-10 04:31:49,388 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 73 [2019-09-10 04:31:49,628 WARN L188 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2019-09-10 04:31:49,844 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 69 [2019-09-10 04:31:50,090 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 75 [2019-09-10 04:31:50,357 WARN L188 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 73 [2019-09-10 04:31:50,599 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2019-09-10 04:31:50,795 WARN L188 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 63 [2019-09-10 04:31:51,066 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2019-09-10 04:31:51,342 WARN L188 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 81 [2019-09-10 04:31:51,534 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2019-09-10 04:31:51,722 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2019-09-10 04:31:51,907 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 62 [2019-09-10 04:31:52,103 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2019-09-10 04:31:52,319 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2019-09-10 04:31:52,508 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2019-09-10 04:31:52,717 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2019-09-10 04:31:53,139 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2019-09-10 04:31:53,737 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-10 04:31:54,003 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2019-09-10 04:31:54,345 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2019-09-10 04:31:54,559 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2019-09-10 04:31:54,909 WARN L188 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2019-09-10 04:31:55,225 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2019-09-10 04:31:55,491 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2019-09-10 04:31:55,706 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2019-09-10 04:31:55,938 WARN L188 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2019-09-10 04:31:56,197 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 04:31:56,402 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2019-09-10 04:31:56,667 WARN L188 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-10 04:31:56,925 WARN L188 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-10 04:31:57,121 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2019-09-10 04:31:57,404 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-10 04:31:57,657 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2019-09-10 04:31:57,962 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-09-10 04:31:58,180 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2019-09-10 04:31:58,479 WARN L188 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-10 04:31:58,673 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 63 [2019-09-10 04:31:58,873 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2019-09-10 04:31:59,080 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-09-10 04:31:59,300 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2019-09-10 04:31:59,527 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2019-09-10 04:32:00,308 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2019-09-10 04:32:00,741 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 70 [2019-09-10 04:32:01,181 WARN L188 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-10 04:32:01,645 WARN L188 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-10 04:32:01,983 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 74 [2019-09-10 04:32:02,181 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2019-09-10 04:32:02,466 WARN L188 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 72 [2019-09-10 04:32:02,864 WARN L188 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-10 04:32:03,110 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2019-09-10 04:32:03,303 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2019-09-10 04:32:03,514 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2019-09-10 04:32:03,846 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2019-09-10 04:32:04,101 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2019-09-10 04:32:04,321 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-09-10 04:32:04,541 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2019-09-10 04:32:05,724 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 72 [2019-09-10 04:32:06,199 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2019-09-10 04:32:06,590 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2019-09-10 04:32:09,500 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-09-10 04:32:15,133 WARN L188 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2019-09-10 04:32:15,331 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2019-09-10 04:32:15,542 WARN L188 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2019-09-10 04:32:15,884 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 65 [2019-09-10 04:32:16,084 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 65 [2019-09-10 04:32:16,302 WARN L188 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-10 04:32:16,765 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2019-09-10 04:32:16,978 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-10 04:32:17,206 WARN L188 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-10 04:32:17,368 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2019-09-10 04:32:17,611 WARN L188 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-10 04:32:17,837 WARN L188 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2019-09-10 04:32:18,410 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-09-10 04:32:18,925 WARN L188 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-10 04:32:19,120 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2019-09-10 04:32:19,390 WARN L188 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 85 [2019-09-10 04:32:19,588 WARN L188 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2019-09-10 04:32:19,859 WARN L188 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 83 [2019-09-10 04:32:20,057 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-10 04:32:20,431 WARN L188 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-10 04:32:20,881 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 64 [2019-09-10 04:32:21,070 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-10 04:32:21,253 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-10 04:32:21,450 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-10 04:32:21,650 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-10 04:32:22,117 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 62 [2019-09-10 04:32:22,315 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-10 04:32:22,523 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-09-10 04:32:22,711 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2019-09-10 04:32:22,925 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2019-09-10 04:32:23,364 WARN L188 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2019-09-10 04:32:23,578 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2019-09-10 04:32:23,769 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 58 [2019-09-10 04:32:24,098 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 56 [2019-09-10 04:32:24,291 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 56 [2019-09-10 04:32:24,619 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 54 [2019-09-10 04:32:24,817 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2019-09-10 04:32:27,047 WARN L188 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 77 [2019-09-10 04:32:27,240 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2019-09-10 04:32:27,498 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 75 [2019-09-10 04:32:27,703 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2019-09-10 04:32:27,920 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 60 [2019-09-10 04:32:28,131 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 60 [2019-09-10 04:32:28,382 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2019-09-10 04:32:28,580 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2019-09-10 04:32:28,774 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2019-09-10 04:32:29,242 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-09-10 04:32:29,435 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2019-09-10 04:32:29,642 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 57 [2019-09-10 04:32:29,827 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2019-09-10 04:32:30,013 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2019-09-10 04:32:30,448 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 56 [2019-09-10 04:32:30,633 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2019-09-10 04:32:30,841 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 52 [2019-09-10 04:32:31,030 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2019-09-10 04:32:31,239 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 52 [2019-09-10 04:32:31,744 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 54 [2019-09-10 04:32:31,954 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 52 [2019-09-10 04:32:32,200 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2019-09-10 04:32:32,395 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2019-09-10 04:32:32,669 WARN L188 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2019-09-10 04:32:32,866 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2019-09-10 04:32:33,067 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 70 [2019-09-10 04:32:33,267 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2019-09-10 04:32:36,443 WARN L188 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2019-09-10 04:32:36,875 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-09-10 04:32:37,111 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2019-09-10 04:32:37,404 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2019-09-10 04:32:37,631 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 52 [2019-09-10 04:32:38,346 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2019-09-10 04:32:38,562 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2019-09-10 04:32:39,027 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2019-09-10 04:32:39,252 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2019-09-10 04:32:39,490 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2019-09-10 04:32:39,690 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 66 [2019-09-10 04:32:39,879 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2019-09-10 04:32:40,584 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2019-09-10 04:32:46,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 04:32:46,828 INFO L93 Difference]: Finished difference Result 202426 states and 255340 transitions. [2019-09-10 04:32:46,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1081 states. [2019-09-10 04:32:46,829 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 104 [2019-09-10 04:32:46,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 04:32:47,337 INFO L225 Difference]: With dead ends: 202426 [2019-09-10 04:32:47,337 INFO L226 Difference]: Without dead ends: 201196 [2019-09-10 04:32:47,391 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1852 GetRequests, 713 SyntacticMatches, 13 SemanticMatches, 1126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 610869 ImplicationChecksByTransitivity, 221.6s TimeCoverageRelationStatistics Valid=81450, Invalid=1189806, Unknown=0, NotChecked=0, Total=1271256 [2019-09-10 04:32:47,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201196 states. [2019-09-10 04:32:53,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201196 to 171090. [2019-09-10 04:32:53,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171090 states. [2019-09-10 04:32:53,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171090 states to 171090 states and 220495 transitions. [2019-09-10 04:32:53,540 INFO L78 Accepts]: Start accepts. Automaton has 171090 states and 220495 transitions. Word has length 104 [2019-09-10 04:32:53,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 04:32:53,541 INFO L475 AbstractCegarLoop]: Abstraction has 171090 states and 220495 transitions. [2019-09-10 04:32:53,541 INFO L476 AbstractCegarLoop]: Interpolant automaton has 34 states. [2019-09-10 04:32:53,541 INFO L276 IsEmpty]: Start isEmpty. Operand 171090 states and 220495 transitions. [2019-09-10 04:32:53,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-09-10 04:32:53,547 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 04:32:53,547 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-10 04:32:53,548 INFO L418 AbstractCegarLoop]: === Iteration 18 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 04:32:53,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 04:32:53,548 INFO L82 PathProgramCache]: Analyzing trace with hash 184628142, now seen corresponding path program 1 times [2019-09-10 04:32:53,548 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 04:32:53,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 04:32:53,550 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 04:32:53,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 04:32:53,550 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 04:32:53,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 04:32:53,614 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-09-10 04:32:53,615 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 04:32:53,615 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 04:32:53,615 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 105 with the following transitions: [2019-09-10 04:32:53,615 INFO L207 CegarAbsIntRunner]: [0], [3], [6], [9], [12], [15], [18], [21], [24], [27], [30], [33], [36], [39], [42], [45], [48], [97], [98], [99], [101], [110], [114], [116], [123], [126], [131], [134], [138], [148], [153], [154], [155], [178], [181], [185], [187], [188], [191], [194], [199], [202], [207], [209], [220], [221], [222], [223], [226], [242], [244], [246], [249], [253], [255], [256], [259], [261], [264], [266], [270], [271], [272], [273], [274], [275], [276], [277], [278], [279], [280], [281], [282], [283], [284] [2019-09-10 04:32:53,616 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 04:32:53,617 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 04:32:53,622 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-10 04:32:53,761 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-10 04:32:53,761 INFO L272 AbstractInterpreter]: Visited 75 different actions 280 times. Merged at 16 different actions 59 times. Never widened. Performed 2414 root evaluator evaluations with a maximum evaluation depth of 6. Performed 2414 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 11 fixpoints after 6 different actions. Largest state had 73 variables. [2019-09-10 04:32:53,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 04:32:53,761 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-09-10 04:32:53,761 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 04:32:53,761 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-10 04:32:53,771 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 04:32:53,771 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-09-10 04:32:53,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 04:32:53,852 INFO L256 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-10 04:32:53,854 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-10 04:32:53,886 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-09-10 04:32:53,887 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-09-10 04:32:53,962 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-09-10 04:32:53,966 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-09-10 04:32:53,966 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 9 [2019-09-10 04:32:53,966 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 04:32:53,966 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 04:32:53,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 04:32:53,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-09-10 04:32:53,967 INFO L87 Difference]: Start difference. First operand 171090 states and 220495 transitions. Second operand 5 states. [2019-09-10 04:32:54,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 04:32:54,550 INFO L93 Difference]: Finished difference Result 138647 states and 175412 transitions. [2019-09-10 04:32:54,551 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 04:32:54,551 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 104 [2019-09-10 04:32:54,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 04:32:54,844 INFO L225 Difference]: With dead ends: 138647 [2019-09-10 04:32:54,844 INFO L226 Difference]: Without dead ends: 138401 [2019-09-10 04:32:54,844 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 204 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2019-09-10 04:32:54,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138401 states. [2019-09-10 04:33:00,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138401 to 133093. [2019-09-10 04:33:00,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133093 states. [2019-09-10 04:33:00,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133093 states to 133093 states and 168451 transitions. [2019-09-10 04:33:00,542 INFO L78 Accepts]: Start accepts. Automaton has 133093 states and 168451 transitions. Word has length 104 [2019-09-10 04:33:00,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 04:33:00,542 INFO L475 AbstractCegarLoop]: Abstraction has 133093 states and 168451 transitions. [2019-09-10 04:33:00,543 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 04:33:00,543 INFO L276 IsEmpty]: Start isEmpty. Operand 133093 states and 168451 transitions. [2019-09-10 04:33:00,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-09-10 04:33:00,544 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 04:33:00,544 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 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] [2019-09-10 04:33:00,544 INFO L418 AbstractCegarLoop]: === Iteration 19 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 04:33:00,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 04:33:00,545 INFO L82 PathProgramCache]: Analyzing trace with hash 1037319355, now seen corresponding path program 1 times [2019-09-10 04:33:00,545 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 04:33:00,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 04:33:00,546 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 04:33:00,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 04:33:00,546 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 04:33:00,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 04:33:01,451 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-09-10 04:33:01,451 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 04:33:01,451 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 04:33:01,451 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 106 with the following transitions: [2019-09-10 04:33:01,451 INFO L207 CegarAbsIntRunner]: [0], [3], [6], [9], [12], [15], [18], [21], [24], [27], [30], [33], [36], [39], [42], [45], [48], [97], [98], [99], [101], [110], [114], [116], [123], [126], [131], [134], [138], [151], [153], [154], [155], [158], [161], [166], [169], [176], [178], [181], [185], [187], [188], [191], [194], [199], [202], [209], [211], [214], [218], [220], [221], [222], [223], [226], [229], [232], [244], [246], [249], [253], [255], [256], [259], [261], [264], [266], [270], [271], [272], [273], [274], [275], [276], [277], [278], [279], [280], [281], [282], [283], [284] [2019-09-10 04:33:01,453 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 04:33:01,453 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 04:33:01,457 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-10 04:33:01,595 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-10 04:33:01,596 INFO L272 AbstractInterpreter]: Visited 83 different actions 319 times. Merged at 17 different actions 57 times. Never widened. Performed 2609 root evaluator evaluations with a maximum evaluation depth of 6. Performed 2609 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 13 fixpoints after 5 different actions. Largest state had 73 variables. [2019-09-10 04:33:01,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 04:33:01,596 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-09-10 04:33:01,596 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 04:33:01,596 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2019-09-10 04:33:01,618 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 04:33:01,619 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-10 04:33:01,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 04:33:01,714 INFO L256 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 46 conjunts are in the unsatisfiable core [2019-09-10 04:33:01,718 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-10 04:33:02,311 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:33:04,354 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 16 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 04:33:04,355 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-09-10 04:33:05,041 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:33:05,425 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:33:05,988 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:33:06,432 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:33:06,940 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-09-10 04:33:06,943 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-09-10 04:33:06,944 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 23, 26] total 72 [2019-09-10 04:33:06,944 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-09-10 04:33:06,944 INFO L454 AbstractCegarLoop]: Interpolant automaton has 49 states [2019-09-10 04:33:06,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2019-09-10 04:33:06,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=374, Invalid=4738, Unknown=0, NotChecked=0, Total=5112 [2019-09-10 04:33:06,945 INFO L87 Difference]: Start difference. First operand 133093 states and 168451 transitions. Second operand 49 states. [2019-09-10 04:33:09,901 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 48 [2019-09-10 04:33:10,107 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 58 [2019-09-10 04:33:10,370 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 60 [2019-09-10 04:33:10,622 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 57 [2019-09-10 04:33:18,747 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 57 [2019-09-10 04:33:19,193 WARN L188 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 69 [2019-09-10 04:33:19,623 WARN L188 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 77 [2019-09-10 04:33:20,424 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 60 [2019-09-10 04:33:20,617 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 58 [2019-09-10 04:33:21,096 WARN L188 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 79 [2019-09-10 04:33:21,890 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 76 [2019-09-10 04:33:22,235 WARN L188 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 61 [2019-09-10 04:33:22,428 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 52 [2019-09-10 04:33:22,862 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 59 [2019-09-10 04:33:23,296 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 62 [2019-09-10 04:33:23,720 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 60 [2019-09-10 04:33:24,146 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 61 [2019-09-10 04:33:25,213 WARN L188 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 65 [2019-09-10 04:33:25,422 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 66 [2019-09-10 04:33:25,769 WARN L188 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 57 [2019-09-10 04:33:25,953 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 58 [2019-09-10 04:33:26,661 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 67 [2019-09-10 04:33:26,913 WARN L188 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 68 [2019-09-10 04:33:27,521 WARN L188 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 59 [2019-09-10 04:33:27,729 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 60 [2019-09-10 04:33:28,854 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 60 [2019-09-10 04:33:29,103 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 60 [2019-09-10 04:33:29,568 WARN L188 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 57 [2019-09-10 04:33:29,775 WARN L188 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 57 [2019-09-10 04:33:31,335 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 48 [2019-09-10 04:33:31,959 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 68 [2019-09-10 04:33:32,363 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 70 [2019-09-10 04:33:32,805 WARN L188 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 67 [2019-09-10 04:33:33,749 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 51 [2019-09-10 04:33:34,138 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 60 [2019-09-10 04:33:36,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 04:33:36,880 INFO L93 Difference]: Finished difference Result 148109 states and 184468 transitions. [2019-09-10 04:33:36,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2019-09-10 04:33:36,881 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 105 [2019-09-10 04:33:36,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 04:33:37,216 INFO L225 Difference]: With dead ends: 148109 [2019-09-10 04:33:37,217 INFO L226 Difference]: Without dead ends: 146573 [2019-09-10 04:33:37,219 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 413 GetRequests, 206 SyntacticMatches, 9 SemanticMatches, 198 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10907 ImplicationChecksByTransitivity, 19.5s TimeCoverageRelationStatistics Valid=5629, Invalid=34171, Unknown=0, NotChecked=0, Total=39800 [2019-09-10 04:33:37,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146573 states. [2019-09-10 04:33:39,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146573 to 130133. [2019-09-10 04:33:39,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130133 states. [2019-09-10 04:33:40,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130133 states to 130133 states and 163580 transitions. [2019-09-10 04:33:40,129 INFO L78 Accepts]: Start accepts. Automaton has 130133 states and 163580 transitions. Word has length 105 [2019-09-10 04:33:40,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 04:33:40,130 INFO L475 AbstractCegarLoop]: Abstraction has 130133 states and 163580 transitions. [2019-09-10 04:33:40,130 INFO L476 AbstractCegarLoop]: Interpolant automaton has 49 states. [2019-09-10 04:33:40,130 INFO L276 IsEmpty]: Start isEmpty. Operand 130133 states and 163580 transitions. [2019-09-10 04:33:40,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-09-10 04:33:40,131 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 04:33:40,131 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-10 04:33:40,131 INFO L418 AbstractCegarLoop]: === Iteration 20 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 04:33:40,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 04:33:40,132 INFO L82 PathProgramCache]: Analyzing trace with hash 1295616501, now seen corresponding path program 1 times [2019-09-10 04:33:40,132 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 04:33:40,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 04:33:40,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 04:33:40,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 04:33:40,134 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 04:33:40,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 04:33:40,921 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-09-10 04:33:40,921 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 04:33:40,921 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 04:33:40,921 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 107 with the following transitions: [2019-09-10 04:33:40,922 INFO L207 CegarAbsIntRunner]: [0], [3], [6], [9], [12], [15], [18], [21], [24], [27], [30], [33], [36], [39], [42], [45], [48], [97], [98], [99], [101], [110], [114], [116], [123], [126], [131], [134], [138], [148], [153], [154], [155], [158], [161], [166], [169], [176], [178], [181], [185], [187], [188], [191], [194], [197], [209], [211], [214], [218], [220], [221], [222], [223], [226], [229], [232], [244], [246], [249], [253], [255], [256], [259], [261], [264], [266], [270], [271], [272], [273], [274], [275], [276], [277], [278], [279], [280], [281], [282], [283], [284] [2019-09-10 04:33:40,924 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 04:33:40,924 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 04:33:40,931 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-10 04:33:41,053 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-10 04:33:41,053 INFO L272 AbstractInterpreter]: Visited 82 different actions 342 times. Merged at 17 different actions 67 times. Never widened. Performed 2907 root evaluator evaluations with a maximum evaluation depth of 6. Performed 2907 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 14 fixpoints after 5 different actions. Largest state had 73 variables. [2019-09-10 04:33:41,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 04:33:41,054 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-09-10 04:33:41,054 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 04:33:41,054 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-10 04:33:41,064 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 04:33:41,064 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-09-10 04:33:41,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 04:33:41,155 INFO L256 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 32 conjunts are in the unsatisfiable core [2019-09-10 04:33:41,157 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-10 04:33:41,608 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:33:42,110 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 04:33:42,110 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-09-10 04:33:42,378 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:33:43,231 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-09-10 04:33:43,240 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-09-10 04:33:43,240 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 17, 17] total 64 [2019-09-10 04:33:43,241 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-09-10 04:33:43,241 INFO L454 AbstractCegarLoop]: Interpolant automaton has 50 states [2019-09-10 04:33:43,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2019-09-10 04:33:43,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=275, Invalid=3757, Unknown=0, NotChecked=0, Total=4032 [2019-09-10 04:33:43,242 INFO L87 Difference]: Start difference. First operand 130133 states and 163580 transitions. Second operand 50 states. [2019-09-10 04:33:43,498 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 51 [2019-09-10 04:33:43,761 WARN L188 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 63 [2019-09-10 04:33:45,899 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 45 [2019-09-10 04:33:46,938 WARN L188 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 49 [2019-09-10 04:33:47,136 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 51 [2019-09-10 04:33:47,388 WARN L188 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 60 [2019-09-10 04:33:47,605 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 55 [2019-09-10 04:33:47,963 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 62 [2019-09-10 04:33:54,607 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2019-09-10 04:33:55,136 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 51 [2019-09-10 04:33:56,192 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-10 04:33:57,737 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2019-09-10 04:33:58,832 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 60 [2019-09-10 04:34:00,562 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-10 04:34:00,886 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2019-09-10 04:34:01,347 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2019-09-10 04:34:01,833 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-10 04:34:02,007 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-10 04:34:03,384 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-10 04:34:10,316 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 62 [2019-09-10 04:34:10,585 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 62 [2019-09-10 04:34:10,921 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 56 [2019-09-10 04:34:11,224 WARN L188 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 67 [2019-09-10 04:34:11,560 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 67 [2019-09-10 04:34:12,317 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 67 [2019-09-10 04:34:12,526 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-09-10 04:34:13,707 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 47 [2019-09-10 04:34:14,500 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 54 [2019-09-10 04:34:14,722 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 49 [2019-09-10 04:34:15,073 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 62 [2019-09-10 04:34:15,442 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 69 [2019-09-10 04:34:15,657 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 62 [2019-09-10 04:34:15,924 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 69 [2019-09-10 04:34:16,142 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 62 [2019-09-10 04:34:16,420 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 62 [2019-09-10 04:34:16,823 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 73 [2019-09-10 04:34:17,152 WARN L188 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 73 [2019-09-10 04:34:17,327 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 62 [2019-09-10 04:34:17,473 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 49 [2019-09-10 04:34:19,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 04:34:19,063 INFO L93 Difference]: Finished difference Result 151819 states and 190139 transitions. [2019-09-10 04:34:19,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2019-09-10 04:34:19,063 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 106 [2019-09-10 04:34:19,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 04:34:19,387 INFO L225 Difference]: With dead ends: 151819 [2019-09-10 04:34:19,387 INFO L226 Difference]: Without dead ends: 151810 [2019-09-10 04:34:19,390 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 441 GetRequests, 192 SyntacticMatches, 3 SemanticMatches, 246 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19821 ImplicationChecksByTransitivity, 22.1s TimeCoverageRelationStatistics Valid=6605, Invalid=54651, Unknown=0, NotChecked=0, Total=61256 [2019-09-10 04:34:19,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151810 states. [2019-09-10 04:34:22,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151810 to 138216. [2019-09-10 04:34:22,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138216 states. [2019-09-10 04:34:24,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138216 states to 138216 states and 173503 transitions. [2019-09-10 04:34:24,002 INFO L78 Accepts]: Start accepts. Automaton has 138216 states and 173503 transitions. Word has length 106 [2019-09-10 04:34:24,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 04:34:24,003 INFO L475 AbstractCegarLoop]: Abstraction has 138216 states and 173503 transitions. [2019-09-10 04:34:24,003 INFO L476 AbstractCegarLoop]: Interpolant automaton has 50 states. [2019-09-10 04:34:24,004 INFO L276 IsEmpty]: Start isEmpty. Operand 138216 states and 173503 transitions. [2019-09-10 04:34:24,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2019-09-10 04:34:24,012 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 04:34:24,012 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-09-10 04:34:24,012 INFO L418 AbstractCegarLoop]: === Iteration 21 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 04:34:24,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 04:34:24,013 INFO L82 PathProgramCache]: Analyzing trace with hash -523183943, now seen corresponding path program 1 times [2019-09-10 04:34:24,013 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 04:34:24,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 04:34:24,014 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 04:34:24,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 04:34:24,014 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 04:34:24,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 04:34:24,102 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 58 proven. 2 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2019-09-10 04:34:24,103 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 04:34:24,103 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 04:34:24,103 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 183 with the following transitions: [2019-09-10 04:34:24,103 INFO L207 CegarAbsIntRunner]: [0], [3], [6], [9], [12], [15], [18], [21], [24], [27], [30], [33], [36], [39], [42], [45], [48], [97], [98], [99], [101], [110], [114], [116], [123], [126], [129], [131], [134], [138], [140], [145], [153], [154], [155], [158], [161], [164], [174], [176], [178], [181], [185], [187], [188], [191], [194], [197], [209], [211], [214], [218], [220], [221], [222], [223], [226], [229], [232], [242], [244], [246], [249], [253], [255], [256], [259], [261], [264], [266], [270], [271], [272], [273], [274], [275], [276], [277], [278], [279], [280], [281], [282], [283], [284] [2019-09-10 04:34:24,105 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 04:34:24,105 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 04:34:24,111 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-10 04:34:24,931 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-10 04:34:24,932 INFO L272 AbstractInterpreter]: Visited 85 different actions 1521 times. Merged at 20 different actions 454 times. Widened at 1 different actions 6 times. Performed 10105 root evaluator evaluations with a maximum evaluation depth of 6. Performed 10105 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 135 fixpoints after 8 different actions. Largest state had 73 variables. [2019-09-10 04:34:24,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 04:34:24,932 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-09-10 04:34:24,932 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 04:34:24,932 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 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-10 04:34:24,943 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 04:34:24,944 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-09-10 04:34:25,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 04:34:25,058 INFO L256 TraceCheckSpWp]: Trace formula consists of 941 conjuncts, 16 conjunts are in the unsatisfiable core [2019-09-10 04:34:25,062 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-10 04:34:25,147 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 133 proven. 18 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-09-10 04:34:25,147 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-09-10 04:34:25,281 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 58 proven. 2 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2019-09-10 04:34:25,286 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-09-10 04:34:25,286 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 11, 5] total 15 [2019-09-10 04:34:25,286 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-09-10 04:34:25,287 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-10 04:34:25,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-10 04:34:25,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2019-09-10 04:34:25,287 INFO L87 Difference]: Start difference. First operand 138216 states and 173503 transitions. Second operand 13 states. [2019-09-10 04:34:26,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 04:34:26,246 INFO L93 Difference]: Finished difference Result 59072 states and 79572 transitions. [2019-09-10 04:34:26,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-09-10 04:34:26,246 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 182 [2019-09-10 04:34:26,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 04:34:26,412 INFO L225 Difference]: With dead ends: 59072 [2019-09-10 04:34:26,412 INFO L226 Difference]: Without dead ends: 59072 [2019-09-10 04:34:26,413 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 361 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=180, Invalid=812, Unknown=0, NotChecked=0, Total=992 [2019-09-10 04:34:26,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59072 states. [2019-09-10 04:34:28,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59072 to 52471. [2019-09-10 04:34:28,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52471 states. [2019-09-10 04:34:28,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52471 states to 52471 states and 65068 transitions. [2019-09-10 04:34:28,253 INFO L78 Accepts]: Start accepts. Automaton has 52471 states and 65068 transitions. Word has length 182 [2019-09-10 04:34:28,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 04:34:28,253 INFO L475 AbstractCegarLoop]: Abstraction has 52471 states and 65068 transitions. [2019-09-10 04:34:28,253 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-10 04:34:28,253 INFO L276 IsEmpty]: Start isEmpty. Operand 52471 states and 65068 transitions. [2019-09-10 04:34:28,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2019-09-10 04:34:28,259 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 04:34:28,259 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2019-09-10 04:34:28,260 INFO L418 AbstractCegarLoop]: === Iteration 22 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 04:34:28,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 04:34:28,260 INFO L82 PathProgramCache]: Analyzing trace with hash -1277718845, now seen corresponding path program 1 times [2019-09-10 04:34:28,260 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 04:34:28,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 04:34:28,261 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 04:34:28,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 04:34:28,262 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 04:34:28,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 04:34:28,721 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 31 proven. 81 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2019-09-10 04:34:28,721 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 04:34:28,721 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 04:34:28,721 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 183 with the following transitions: [2019-09-10 04:34:28,722 INFO L207 CegarAbsIntRunner]: [0], [3], [6], [9], [12], [15], [18], [21], [24], [27], [30], [33], [36], [39], [42], [45], [48], [97], [98], [99], [101], [110], [114], [116], [123], [126], [129], [131], [134], [138], [140], [145], [153], [154], [155], [158], [161], [164], [174], [176], [178], [181], [185], [187], [188], [191], [194], [197], [207], [209], [211], [214], [218], [220], [221], [222], [223], [226], [229], [232], [242], [244], [246], [249], [253], [255], [256], [259], [261], [264], [266], [270], [271], [272], [273], [274], [275], [276], [277], [278], [279], [280], [281], [282], [283], [284] [2019-09-10 04:34:28,723 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 04:34:28,723 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 04:34:28,728 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-10 04:34:29,596 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-10 04:34:29,597 INFO L272 AbstractInterpreter]: Visited 86 different actions 500 times. Merged at 21 different actions 144 times. Never widened. Performed 3396 root evaluator evaluations with a maximum evaluation depth of 6. Performed 3396 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 45 fixpoints after 8 different actions. Largest state had 73 variables. [2019-09-10 04:34:29,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 04:34:29,597 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-09-10 04:34:29,597 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 04:34:29,597 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-10 04:34:29,608 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 04:34:29,609 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-09-10 04:34:29,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 04:34:29,727 INFO L256 TraceCheckSpWp]: Trace formula consists of 939 conjuncts, 34 conjunts are in the unsatisfiable core [2019-09-10 04:34:29,731 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-10 04:34:30,030 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:34:30,263 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:34:30,796 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 62 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 04:34:30,796 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-09-10 04:34:31,663 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:34:31,664 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:34:31,664 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:34:31,665 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:34:31,665 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:34:31,665 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:34:31,666 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:34:31,666 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:34:31,667 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:34:31,667 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:34:31,668 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:34:31,668 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:34:31,668 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:34:31,669 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:34:31,669 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:34:31,669 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:34:31,670 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:34:31,670 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:34:31,670 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:34:31,671 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:34:31,671 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:34:31,671 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:34:31,671 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:34:31,672 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:34:31,672 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:34:31,992 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-09-10 04:34:31,992 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:34:31,993 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:34:31,993 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-09-10 04:34:31,994 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:34:31,994 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:34:31,995 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-09-10 04:34:31,995 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:34:31,996 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:34:31,996 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:34:31,996 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-09-10 04:34:31,997 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-09-10 04:34:31,997 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:34:31,998 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:34:31,998 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:34:31,998 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-09-10 04:34:31,999 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:34:31,999 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-09-10 04:34:32,000 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:34:32,000 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:34:32,001 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:34:32,001 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-09-10 04:34:32,001 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:34:32,002 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:34:32,002 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:34:32,003 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:34:32,003 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-09-10 04:34:32,004 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:34:32,004 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:34:32,005 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:34:32,005 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:34:32,006 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-09-10 04:34:32,006 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:34:32,009 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2019-09-10 04:34:32,308 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:34:32,384 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-09-10 04:34:32,502 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 16 [2019-09-10 04:34:32,505 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 16 [2019-09-10 04:34:32,509 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 16 [2019-09-10 04:34:32,512 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 16 [2019-09-10 04:34:32,514 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 16 [2019-09-10 04:34:32,517 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 16 [2019-09-10 04:34:32,520 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 16 [2019-09-10 04:34:32,523 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 16 [2019-09-10 04:34:32,526 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 16 [2019-09-10 04:34:32,529 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 16 [2019-09-10 04:34:32,532 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 16 [2019-09-10 04:34:32,534 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 16 [2019-09-10 04:34:32,537 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 16 [2019-09-10 04:34:32,540 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 16 [2019-09-10 04:34:32,543 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 16 [2019-09-10 04:34:32,546 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 16 [2019-09-10 04:34:32,547 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:34:32,549 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 16 [2019-09-10 04:34:32,682 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 45 proven. 53 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2019-09-10 04:34:32,691 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-09-10 04:34:32,691 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 18, 20] total 55 [2019-09-10 04:34:32,692 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-09-10 04:34:32,692 INFO L454 AbstractCegarLoop]: Interpolant automaton has 40 states [2019-09-10 04:34:32,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2019-09-10 04:34:32,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=236, Invalid=2734, Unknown=0, NotChecked=0, Total=2970 [2019-09-10 04:34:32,693 INFO L87 Difference]: Start difference. First operand 52471 states and 65068 transitions. Second operand 40 states. [2019-09-10 04:34:33,066 WARN L188 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2019-09-10 04:34:33,310 WARN L188 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2019-09-10 04:34:33,660 WARN L188 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2019-09-10 04:34:35,428 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2019-09-10 04:34:35,607 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-09-10 04:34:35,826 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 54 [2019-09-10 04:34:36,107 WARN L188 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-09-10 04:34:36,438 WARN L188 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2019-09-10 04:34:36,765 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2019-09-10 04:34:37,049 WARN L188 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 52 [2019-09-10 04:34:37,297 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2019-09-10 04:34:37,932 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2019-09-10 04:34:38,146 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2019-09-10 04:34:38,480 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2019-09-10 04:34:38,849 WARN L188 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2019-09-10 04:34:39,278 WARN L188 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2019-09-10 04:34:39,553 WARN L188 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-09-10 04:34:40,526 WARN L188 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 58 [2019-09-10 04:34:40,734 WARN L188 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 57 [2019-09-10 04:34:40,945 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-09-10 04:34:41,230 WARN L188 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2019-09-10 04:34:41,474 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2019-09-10 04:34:41,669 WARN L188 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-09-10 04:34:42,290 WARN L188 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2019-09-10 04:34:42,677 WARN L188 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2019-09-10 04:34:43,117 WARN L188 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2019-09-10 04:34:43,324 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 62 [2019-09-10 04:34:43,562 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 61 [2019-09-10 04:34:43,842 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2019-09-10 04:34:44,145 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2019-09-10 04:34:44,592 WARN L188 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2019-09-10 04:34:44,867 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2019-09-10 04:34:45,103 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-09-10 04:34:45,490 WARN L188 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2019-09-10 04:34:45,811 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2019-09-10 04:34:46,133 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2019-09-10 04:34:46,784 WARN L188 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 63 [2019-09-10 04:34:47,132 WARN L188 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2019-09-10 04:34:47,322 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2019-09-10 04:34:47,594 WARN L188 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2019-09-10 04:34:47,829 WARN L188 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2019-09-10 04:34:48,004 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-09-10 04:34:48,171 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2019-09-10 04:34:48,452 WARN L188 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2019-09-10 04:34:48,795 WARN L188 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-09-10 04:34:49,267 WARN L188 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 63 [2019-09-10 04:34:49,478 WARN L188 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2019-09-10 04:34:49,697 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 56 [2019-09-10 04:34:50,179 WARN L188 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-09-10 04:34:50,375 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-09-10 04:34:50,655 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2019-09-10 04:34:50,847 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2019-09-10 04:34:51,031 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2019-09-10 04:34:51,381 WARN L188 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2019-09-10 04:34:51,807 WARN L188 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2019-09-10 04:34:52,163 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2019-09-10 04:34:52,972 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2019-09-10 04:34:53,266 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-09-10 04:34:53,449 WARN L188 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2019-09-10 04:34:53,763 WARN L188 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2019-09-10 04:34:54,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 04:34:54,082 INFO L93 Difference]: Finished difference Result 68329 states and 84418 transitions. [2019-09-10 04:34:54,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2019-09-10 04:34:54,084 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 182 [2019-09-10 04:34:54,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 04:34:54,220 INFO L225 Difference]: With dead ends: 68329 [2019-09-10 04:34:54,220 INFO L226 Difference]: Without dead ends: 68302 [2019-09-10 04:34:54,221 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 484 GetRequests, 357 SyntacticMatches, 9 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3192 ImplicationChecksByTransitivity, 18.9s TimeCoverageRelationStatistics Valid=2752, Invalid=11528, Unknown=0, NotChecked=0, Total=14280 [2019-09-10 04:34:54,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68302 states. [2019-09-10 04:34:55,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68302 to 62816. [2019-09-10 04:34:55,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62816 states. [2019-09-10 04:34:55,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62816 states to 62816 states and 78165 transitions. [2019-09-10 04:34:55,297 INFO L78 Accepts]: Start accepts. Automaton has 62816 states and 78165 transitions. Word has length 182 [2019-09-10 04:34:55,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 04:34:55,298 INFO L475 AbstractCegarLoop]: Abstraction has 62816 states and 78165 transitions. [2019-09-10 04:34:55,298 INFO L476 AbstractCegarLoop]: Interpolant automaton has 40 states. [2019-09-10 04:34:55,298 INFO L276 IsEmpty]: Start isEmpty. Operand 62816 states and 78165 transitions. [2019-09-10 04:34:55,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-09-10 04:34:55,302 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 04:34:55,303 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 04:34:55,303 INFO L418 AbstractCegarLoop]: === Iteration 23 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 04:34:55,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 04:34:55,304 INFO L82 PathProgramCache]: Analyzing trace with hash -62027920, now seen corresponding path program 1 times [2019-09-10 04:34:55,304 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 04:34:55,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 04:34:55,305 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 04:34:55,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 04:34:55,305 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 04:34:55,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 04:34:55,407 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 60 proven. 2 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-09-10 04:34:55,408 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 04:34:55,408 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 04:34:55,408 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 184 with the following transitions: [2019-09-10 04:34:55,408 INFO L207 CegarAbsIntRunner]: [0], [3], [6], [9], [12], [15], [18], [21], [24], [27], [30], [33], [36], [39], [42], [45], [48], [97], [98], [99], [101], [110], [114], [116], [123], [126], [131], [134], [138], [148], [153], [154], [155], [158], [161], [164], [176], [178], [181], [185], [187], [188], [191], [194], [197], [199], [202], [209], [211], [214], [218], [220], [221], [222], [223], [226], [229], [232], [242], [244], [246], [249], [253], [255], [256], [259], [261], [264], [266], [270], [271], [272], [273], [274], [275], [276], [277], [278], [279], [280], [281], [282], [283], [284] [2019-09-10 04:34:55,410 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 04:34:55,410 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 04:34:55,416 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-10 04:34:56,364 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-10 04:34:56,365 INFO L272 AbstractInterpreter]: Visited 84 different actions 1375 times. Merged at 20 different actions 408 times. Widened at 1 different actions 6 times. Performed 10179 root evaluator evaluations with a maximum evaluation depth of 6. Performed 10179 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 102 fixpoints after 8 different actions. Largest state had 73 variables. [2019-09-10 04:34:56,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 04:34:56,365 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-09-10 04:34:56,365 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 04:34:56,365 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-10 04:34:56,380 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 04:34:56,380 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-09-10 04:34:56,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 04:34:56,493 INFO L256 TraceCheckSpWp]: Trace formula consists of 942 conjuncts, 16 conjunts are in the unsatisfiable core [2019-09-10 04:34:56,497 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-10 04:34:56,602 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 146 proven. 18 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-09-10 04:34:56,602 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-09-10 04:34:56,729 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 60 proven. 2 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-09-10 04:34:56,733 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-09-10 04:34:56,733 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 11, 5] total 15 [2019-09-10 04:34:56,733 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-09-10 04:34:56,734 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-10 04:34:56,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-10 04:34:56,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2019-09-10 04:34:56,734 INFO L87 Difference]: Start difference. First operand 62816 states and 78165 transitions. Second operand 13 states. [2019-09-10 04:34:57,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 04:34:57,534 INFO L93 Difference]: Finished difference Result 20854 states and 27065 transitions. [2019-09-10 04:34:57,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-09-10 04:34:57,534 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 183 [2019-09-10 04:34:57,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 04:34:57,567 INFO L225 Difference]: With dead ends: 20854 [2019-09-10 04:34:57,567 INFO L226 Difference]: Without dead ends: 20848 [2019-09-10 04:34:57,568 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 393 GetRequests, 363 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=180, Invalid=812, Unknown=0, NotChecked=0, Total=992 [2019-09-10 04:34:57,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20848 states. [2019-09-10 04:34:58,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20848 to 16478. [2019-09-10 04:34:58,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16478 states. [2019-09-10 04:34:58,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16478 states to 16478 states and 19514 transitions. [2019-09-10 04:34:58,203 INFO L78 Accepts]: Start accepts. Automaton has 16478 states and 19514 transitions. Word has length 183 [2019-09-10 04:34:58,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 04:34:58,203 INFO L475 AbstractCegarLoop]: Abstraction has 16478 states and 19514 transitions. [2019-09-10 04:34:58,203 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-10 04:34:58,204 INFO L276 IsEmpty]: Start isEmpty. Operand 16478 states and 19514 transitions. [2019-09-10 04:34:58,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-09-10 04:34:58,207 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 04:34:58,207 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 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] [2019-09-10 04:34:58,207 INFO L418 AbstractCegarLoop]: === Iteration 24 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 04:34:58,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 04:34:58,207 INFO L82 PathProgramCache]: Analyzing trace with hash -2137478804, now seen corresponding path program 1 times [2019-09-10 04:34:58,207 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 04:34:58,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 04:34:58,208 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 04:34:58,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 04:34:58,209 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 04:34:58,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 04:34:58,702 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 36 proven. 67 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2019-09-10 04:34:58,702 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 04:34:58,702 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 04:34:58,702 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 184 with the following transitions: [2019-09-10 04:34:58,703 INFO L207 CegarAbsIntRunner]: [0], [3], [6], [9], [12], [15], [18], [21], [24], [27], [30], [33], [36], [39], [42], [45], [48], [97], [98], [99], [101], [110], [114], [116], [123], [126], [131], [134], [138], [151], [153], [154], [155], [158], [161], [164], [166], [169], [176], [178], [181], [185], [187], [188], [191], [194], [197], [199], [202], [209], [211], [214], [218], [220], [221], [222], [223], [226], [229], [232], [242], [244], [246], [249], [253], [255], [256], [259], [261], [264], [266], [270], [271], [272], [273], [274], [275], [276], [277], [278], [279], [280], [281], [282], [283], [284] [2019-09-10 04:34:58,705 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 04:34:58,705 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 04:34:58,711 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-10 04:34:58,984 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-10 04:34:58,985 INFO L272 AbstractInterpreter]: Visited 86 different actions 585 times. Merged at 21 different actions 156 times. Never widened. Performed 4054 root evaluator evaluations with a maximum evaluation depth of 6. Performed 4054 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 43 fixpoints after 7 different actions. Largest state had 73 variables. [2019-09-10 04:34:58,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 04:34:58,985 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-09-10 04:34:58,985 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 04:34:58,985 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-10 04:34:59,012 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 04:34:59,013 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-09-10 04:34:59,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 04:34:59,185 INFO L256 TraceCheckSpWp]: Trace formula consists of 944 conjuncts, 29 conjunts are in the unsatisfiable core [2019-09-10 04:34:59,191 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-10 04:34:59,677 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:35:00,141 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 37 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 04:35:00,141 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-09-10 04:35:00,621 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:35:00,849 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 25 [2019-09-10 04:35:01,014 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 25 [2019-09-10 04:35:01,189 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 25 [2019-09-10 04:35:01,396 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 25 [2019-09-10 04:35:01,399 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:35:01,403 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 25 [2019-09-10 04:35:07,893 WARN L188 SmtUtils]: Spent 4.20 s on a formula simplification that was a NOOP. DAG size: 64 [2019-09-10 04:35:07,898 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 49 [2019-09-10 04:35:10,544 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:35:10,638 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:35:10,639 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:35:10,640 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:35:10,863 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 50 [2019-09-10 04:35:11,396 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 16 [2019-09-10 04:35:11,573 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:35:11,573 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:35:11,574 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:35:11,576 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 19 [2019-09-10 04:35:11,795 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:35:11,928 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2019-09-10 04:35:12,093 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 25 [2019-09-10 04:35:12,229 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 25 [2019-09-10 04:35:12,378 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 25 [2019-09-10 04:35:12,531 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 25 [2019-09-10 04:35:12,673 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 25 [2019-09-10 04:35:12,810 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 25 [2019-09-10 04:35:12,955 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 25 [2019-09-10 04:35:13,099 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 25 [2019-09-10 04:35:13,239 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 25 [2019-09-10 04:35:13,379 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 25 [2019-09-10 04:35:13,520 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 25 [2019-09-10 04:35:13,653 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 25 [2019-09-10 04:35:13,789 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:35:13,790 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 25 [2019-09-10 04:35:13,905 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 42 proven. 57 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2019-09-10 04:35:13,909 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-09-10 04:35:13,909 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 18, 20] total 61 [2019-09-10 04:35:13,909 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-09-10 04:35:13,910 INFO L454 AbstractCegarLoop]: Interpolant automaton has 43 states [2019-09-10 04:35:13,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2019-09-10 04:35:13,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=229, Invalid=3430, Unknown=1, NotChecked=0, Total=3660 [2019-09-10 04:35:13,910 INFO L87 Difference]: Start difference. First operand 16478 states and 19514 transitions. Second operand 43 states. [2019-09-10 04:35:15,582 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-09-10 04:35:15,771 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2019-09-10 04:35:16,200 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 59 [2019-09-10 04:35:16,443 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 65 [2019-09-10 04:35:16,793 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 63 [2019-09-10 04:35:16,997 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 58 [2019-09-10 04:35:18,256 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2019-09-10 04:35:18,468 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2019-09-10 04:35:18,645 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 59 [2019-09-10 04:35:18,980 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 57 [2019-09-10 04:35:19,185 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 58 [2019-09-10 04:35:19,441 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 59 [2019-09-10 04:35:19,647 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2019-09-10 04:35:19,856 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 59 [2019-09-10 04:35:20,098 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2019-09-10 04:35:20,385 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 62 [2019-09-10 04:35:20,612 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 62 [2019-09-10 04:35:20,914 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-10 04:35:21,122 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 61 [2019-09-10 04:35:21,383 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 63 [2019-09-10 04:35:21,594 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 59 [2019-09-10 04:35:21,797 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 62 [2019-09-10 04:35:22,028 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2019-09-10 04:35:22,225 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2019-09-10 04:35:22,457 WARN L188 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 66 [2019-09-10 04:35:22,663 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 69 [2019-09-10 04:35:22,917 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2019-09-10 04:35:28,649 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 64 [2019-09-10 04:35:28,878 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 64 [2019-09-10 04:35:29,389 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 63 [2019-09-10 04:35:29,592 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2019-09-10 04:35:29,764 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 60 [2019-09-10 04:35:29,986 WARN L188 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 64 [2019-09-10 04:35:30,188 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 63 [2019-09-10 04:35:30,559 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2019-09-10 04:35:30,791 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 66 [2019-09-10 04:35:31,060 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 62 [2019-09-10 04:35:31,265 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2019-09-10 04:35:31,535 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2019-09-10 04:35:31,800 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 66 [2019-09-10 04:35:32,109 WARN L188 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2019-09-10 04:35:32,459 WARN L188 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 66 [2019-09-10 04:35:32,753 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2019-09-10 04:35:33,039 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2019-09-10 04:35:33,410 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 65 [2019-09-10 04:35:33,692 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 70 [2019-09-10 04:35:34,071 WARN L188 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 67 [2019-09-10 04:35:34,353 WARN L188 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 72 [2019-09-10 04:35:34,552 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 62 [2019-09-10 04:35:34,873 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-10 04:35:35,148 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 67 [2019-09-10 04:35:35,330 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 59 [2019-09-10 04:35:35,529 WARN L188 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 64 [2019-09-10 04:35:35,813 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 69 [2019-09-10 04:35:36,075 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2019-09-10 04:35:36,287 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2019-09-10 04:35:36,683 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 59 [2019-09-10 04:35:36,913 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2019-09-10 04:35:37,111 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2019-09-10 04:35:37,385 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2019-09-10 04:35:37,610 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2019-09-10 04:35:38,160 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2019-09-10 04:35:38,375 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 62 [2019-09-10 04:35:39,443 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 62 [2019-09-10 04:35:39,713 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-09-10 04:35:40,059 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-09-10 04:35:40,594 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 61 [2019-09-10 04:35:42,392 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2019-09-10 04:35:42,694 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2019-09-10 04:35:42,927 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2019-09-10 04:35:43,268 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2019-09-10 04:35:43,503 WARN L188 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2019-09-10 04:35:43,871 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 59 [2019-09-10 04:35:44,073 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2019-09-10 04:35:44,280 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 66 [2019-09-10 04:35:44,652 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2019-09-10 04:35:44,939 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2019-09-10 04:35:45,177 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2019-09-10 04:35:45,543 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 70 [2019-09-10 04:35:45,970 WARN L188 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2019-09-10 04:35:46,198 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2019-09-10 04:35:46,399 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 60 [2019-09-10 04:35:46,583 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 60 [2019-09-10 04:35:46,795 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2019-09-10 04:35:47,024 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2019-09-10 04:35:47,248 WARN L188 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 67 [2019-09-10 04:35:47,680 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2019-09-10 04:35:48,054 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2019-09-10 04:35:48,222 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2019-09-10 04:35:48,521 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 66 [2019-09-10 04:35:48,887 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2019-09-10 04:35:49,295 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2019-09-10 04:35:49,528 WARN L188 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 66 [2019-09-10 04:35:50,364 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2019-09-10 04:35:50,620 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2019-09-10 04:35:50,894 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2019-09-10 04:35:51,149 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2019-09-10 04:35:51,377 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 65 [2019-09-10 04:35:51,885 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2019-09-10 04:35:52,165 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 65 [2019-09-10 04:35:52,476 WARN L188 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 66 [2019-09-10 04:35:53,209 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 64 [2019-09-10 04:35:54,665 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2019-09-10 04:35:55,459 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 64 [2019-09-10 04:35:55,662 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2019-09-10 04:35:56,095 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2019-09-10 04:35:56,308 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2019-09-10 04:35:56,627 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 63 [2019-09-10 04:36:00,486 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2019-09-10 04:36:00,846 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 63 [2019-09-10 04:36:01,233 WARN L188 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 71 [2019-09-10 04:36:01,521 WARN L188 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 68 [2019-09-10 04:36:01,884 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2019-09-10 04:36:02,623 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2019-09-10 04:36:02,821 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 63 [2019-09-10 04:36:02,993 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2019-09-10 04:36:03,306 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2019-09-10 04:36:03,970 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 67 [2019-09-10 04:36:04,150 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2019-09-10 04:36:05,319 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2019-09-10 04:36:05,525 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 62 [2019-09-10 04:36:05,699 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2019-09-10 04:36:05,904 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2019-09-10 04:36:06,082 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2019-09-10 04:36:06,260 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2019-09-10 04:36:06,841 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 61 [2019-09-10 04:36:07,004 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 58 [2019-09-10 04:36:07,172 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 57 [2019-09-10 04:36:08,120 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-09-10 04:36:08,288 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-10 04:36:08,457 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2019-09-10 04:36:08,758 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2019-09-10 04:36:08,926 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2019-09-10 04:36:13,162 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 63 [2019-09-10 04:36:13,543 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2019-09-10 04:36:13,808 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 64 [2019-09-10 04:36:14,340 WARN L188 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 64 [2019-09-10 04:36:14,548 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2019-09-10 04:36:14,738 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 62 [2019-09-10 04:36:14,919 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2019-09-10 04:36:15,337 WARN L188 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 69 [2019-09-10 04:36:15,591 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 65 [2019-09-10 04:36:15,885 WARN L188 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 63 [2019-09-10 04:36:16,074 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 61 [2019-09-10 04:36:17,198 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 64 [2019-09-10 04:36:17,392 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 62 [2019-09-10 04:36:18,039 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2019-09-10 04:36:18,261 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 64 [2019-09-10 04:36:18,537 WARN L188 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 62 [2019-09-10 04:36:19,205 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-10 04:36:19,469 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 63 [2019-09-10 04:36:19,852 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 59 [2019-09-10 04:36:20,154 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 61 [2019-09-10 04:36:20,598 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2019-09-10 04:36:21,041 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 62 [2019-09-10 04:36:21,197 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 56 [2019-09-10 04:36:22,347 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 59 [2019-09-10 04:36:22,740 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2019-09-10 04:36:23,023 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 66 [2019-09-10 04:36:23,557 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 60 [2019-09-10 04:36:24,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 04:36:24,923 INFO L93 Difference]: Finished difference Result 31385 states and 37220 transitions. [2019-09-10 04:36:24,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 274 states. [2019-09-10 04:36:24,924 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 183 [2019-09-10 04:36:24,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 04:36:24,967 INFO L225 Difference]: With dead ends: 31385 [2019-09-10 04:36:24,967 INFO L226 Difference]: Without dead ends: 31208 [2019-09-10 04:36:24,971 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 801 GetRequests, 445 SyntacticMatches, 25 SemanticMatches, 331 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39688 ImplicationChecksByTransitivity, 58.8s TimeCoverageRelationStatistics Valid=13345, Invalid=97210, Unknown=1, NotChecked=0, Total=110556 [2019-09-10 04:36:24,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31208 states. [2019-09-10 04:36:25,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31208 to 29533. [2019-09-10 04:36:25,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29533 states. [2019-09-10 04:36:25,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29533 states to 29533 states and 35213 transitions. [2019-09-10 04:36:25,585 INFO L78 Accepts]: Start accepts. Automaton has 29533 states and 35213 transitions. Word has length 183 [2019-09-10 04:36:25,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 04:36:25,585 INFO L475 AbstractCegarLoop]: Abstraction has 29533 states and 35213 transitions. [2019-09-10 04:36:25,586 INFO L476 AbstractCegarLoop]: Interpolant automaton has 43 states. [2019-09-10 04:36:25,586 INFO L276 IsEmpty]: Start isEmpty. Operand 29533 states and 35213 transitions. [2019-09-10 04:36:25,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-09-10 04:36:25,588 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 04:36:25,589 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 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] [2019-09-10 04:36:25,589 INFO L418 AbstractCegarLoop]: === Iteration 25 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 04:36:25,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 04:36:25,590 INFO L82 PathProgramCache]: Analyzing trace with hash -49857492, now seen corresponding path program 1 times [2019-09-10 04:36:25,590 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 04:36:25,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 04:36:25,591 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 04:36:25,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 04:36:25,591 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 04:36:25,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 04:36:26,251 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 39 proven. 89 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-09-10 04:36:26,251 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 04:36:26,251 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 04:36:26,252 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 184 with the following transitions: [2019-09-10 04:36:26,252 INFO L207 CegarAbsIntRunner]: [0], [3], [6], [9], [12], [15], [18], [21], [24], [27], [30], [33], [36], [39], [42], [45], [48], [97], [98], [99], [101], [110], [114], [116], [123], [126], [131], [134], [138], [151], [153], [154], [155], [158], [161], [164], [174], [176], [178], [181], [185], [187], [188], [191], [194], [197], [199], [202], [209], [211], [214], [218], [220], [221], [222], [223], [226], [229], [232], [234], [237], [244], [246], [249], [253], [255], [256], [259], [261], [264], [266], [270], [271], [272], [273], [274], [275], [276], [277], [278], [279], [280], [281], [282], [283], [284] [2019-09-10 04:36:26,253 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 04:36:26,253 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 04:36:26,259 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-10 04:36:26,431 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-10 04:36:26,432 INFO L272 AbstractInterpreter]: Visited 86 different actions 474 times. Merged at 20 different actions 115 times. Never widened. Performed 3643 root evaluator evaluations with a maximum evaluation depth of 6. Performed 3643 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 31 fixpoints after 9 different actions. Largest state had 73 variables. [2019-09-10 04:36:26,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 04:36:26,432 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-09-10 04:36:26,432 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 04:36:26,432 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-10 04:36:26,443 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 04:36:26,443 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-09-10 04:36:26,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 04:36:26,562 INFO L256 TraceCheckSpWp]: Trace formula consists of 944 conjuncts, 34 conjunts are in the unsatisfiable core [2019-09-10 04:36:26,567 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-10 04:36:26,947 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:36:27,189 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:36:27,702 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 78 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 04:36:27,702 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-09-10 04:36:28,763 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:36:28,764 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:36:28,764 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:36:28,764 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:36:28,764 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:36:28,765 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:36:28,765 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:36:28,766 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:36:28,766 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:36:28,766 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:36:28,767 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:36:28,767 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:36:28,768 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:36:28,768 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:36:28,768 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:36:28,769 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:36:28,769 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:36:28,770 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:36:28,770 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:36:28,771 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:36:28,771 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:36:28,771 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:36:28,772 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:36:28,772 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:36:29,130 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:36:29,130 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:36:29,130 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-09-10 04:36:29,131 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-09-10 04:36:29,131 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:36:29,131 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:36:29,132 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:36:29,132 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-09-10 04:36:29,132 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:36:29,132 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:36:29,133 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:36:29,133 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-09-10 04:36:29,133 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:36:29,134 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:36:29,134 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:36:29,134 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-09-10 04:36:29,135 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-09-10 04:36:29,135 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:36:29,135 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:36:29,136 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:36:29,136 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:36:29,136 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-09-10 04:36:29,137 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:36:29,137 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:36:29,137 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:36:29,138 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:36:29,138 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-09-10 04:36:29,138 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-09-10 04:36:29,138 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:36:29,139 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:36:29,140 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-10 04:36:29,176 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 216 [2019-09-10 04:36:57,554 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 91038 conjuctions. This might take some time... [2019-09-10 04:36:57,769 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 3 conjuctions. [2019-09-10 04:36:58,047 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:36:58,149 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-10 04:36:58,262 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-09-10 04:36:58,360 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-09-10 04:36:58,458 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-09-10 04:36:58,560 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-09-10 04:36:58,659 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-09-10 04:36:58,760 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-09-10 04:36:58,864 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-09-10 04:36:58,968 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-09-10 04:36:59,067 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 04:36:59,069 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-09-10 04:36:59,155 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 48 proven. 51 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2019-09-10 04:36:59,159 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-09-10 04:36:59,159 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 18, 20] total 67 [2019-09-10 04:36:59,159 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-09-10 04:36:59,160 INFO L454 AbstractCegarLoop]: Interpolant automaton has 49 states [2019-09-10 04:36:59,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2019-09-10 04:36:59,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=247, Invalid=4175, Unknown=0, NotChecked=0, Total=4422 [2019-09-10 04:36:59,160 INFO L87 Difference]: Start difference. First operand 29533 states and 35213 transitions. Second operand 49 states. [2019-09-10 04:36:59,554 WARN L188 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 72 [2019-09-10 04:36:59,894 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 67 [2019-09-10 04:37:00,264 WARN L188 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 80 [2019-09-10 04:37:01,965 WARN L188 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 89 [2019-09-10 04:37:02,544 WARN L188 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2019-09-10 04:37:03,201 WARN L188 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 82 [2019-09-10 04:37:03,703 WARN L188 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 74 [2019-09-10 04:37:04,510 WARN L188 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 79 [2019-09-10 04:37:04,967 WARN L188 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 78 [2019-09-10 04:37:05,498 WARN L188 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2019-09-10 04:37:06,144 WARN L188 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 80 [2019-09-10 04:37:06,554 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2019-09-10 04:37:06,858 WARN L188 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 76 [2019-09-10 04:37:07,222 WARN L188 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 80 [2019-09-10 04:37:07,675 WARN L188 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 86 [2019-09-10 04:37:08,077 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 69 [2019-09-10 04:37:08,394 WARN L188 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 87 [2019-09-10 04:37:08,782 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 82 [2019-09-10 04:37:09,515 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 83 [2019-09-10 04:37:09,908 WARN L188 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2019-09-10 04:37:10,353 WARN L188 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-10 04:37:10,763 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-10 04:37:11,159 WARN L188 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 81 [2019-09-10 04:37:11,781 WARN L188 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-10 04:37:12,320 WARN L188 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2019-09-10 04:37:12,778 WARN L188 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-09-10 04:37:13,377 WARN L188 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2019-09-10 04:37:13,884 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-09-10 04:37:14,264 WARN L188 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-09-10 04:37:14,549 WARN L188 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-10 04:37:15,036 WARN L188 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 76 [2019-09-10 04:37:15,578 WARN L188 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 82 [2019-09-10 04:37:16,013 WARN L188 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2019-09-10 04:37:16,415 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-10 04:37:16,980 WARN L188 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 85 [2019-09-10 04:37:17,350 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2019-09-10 04:37:17,892 WARN L188 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-09-10 04:37:18,263 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-10 04:37:18,668 WARN L188 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-09-10 04:37:19,318 WARN L188 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 92 [2019-09-10 04:37:19,892 WARN L188 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2019-09-10 04:37:20,252 WARN L188 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-10 04:37:20,785 WARN L188 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-10 04:37:21,380 WARN L188 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2019-09-10 04:37:21,715 WARN L188 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 91 [2019-09-10 04:37:22,095 WARN L188 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 89 [2019-09-10 04:37:22,456 WARN L188 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-10 04:37:22,823 WARN L188 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 91 [2019-09-10 04:37:23,319 WARN L188 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 71 [2019-09-10 04:37:23,786 WARN L188 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2019-09-10 04:37:24,067 WARN L188 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2019-09-10 04:37:24,438 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2019-09-10 04:37:24,846 WARN L188 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2019-09-10 04:37:25,469 WARN L188 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 89 [2019-09-10 04:37:26,055 WARN L188 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 84 [2019-09-10 04:37:26,717 WARN L188 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 84 [2019-09-10 04:37:28,910 WARN L188 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 95 [2019-09-10 04:37:29,439 WARN L188 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 83 [2019-09-10 04:37:29,823 WARN L188 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 94 [2019-09-10 04:37:30,135 WARN L188 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 93 [2019-09-10 04:37:30,757 WARN L188 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 89 [2019-09-10 04:37:31,122 WARN L188 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 82 [2019-09-10 04:37:31,498 WARN L188 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2019-09-10 04:37:32,343 WARN L188 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 92 [2019-09-10 04:37:32,939 WARN L188 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 76 [2019-09-10 04:37:33,230 WARN L188 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 84 [2019-09-10 04:37:33,608 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2019-09-10 04:37:34,038 WARN L188 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2019-09-10 04:37:34,596 WARN L188 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 74 [2019-09-10 04:37:34,872 WARN L188 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 75 [2019-09-10 04:37:35,173 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 75 [2019-09-10 04:37:35,473 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2019-09-10 04:37:35,746 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2019-09-10 04:37:36,010 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 74 [2019-09-10 04:37:36,355 WARN L188 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2019-09-10 04:37:36,892 WARN L188 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2019-09-10 04:37:37,425 WARN L188 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2019-09-10 04:37:37,978 WARN L188 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 79 [2019-09-10 04:37:38,360 WARN L188 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2019-09-10 04:37:38,917 WARN L188 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2019-09-10 04:37:39,347 WARN L188 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 76 [2019-09-10 04:37:39,652 WARN L188 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 74 [2019-09-10 04:37:40,050 WARN L188 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2019-09-10 04:37:40,609 WARN L188 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2019-09-10 04:37:41,065 WARN L188 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2019-09-10 04:37:41,398 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 73 [2019-09-10 04:37:41,734 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2019-09-10 04:37:42,073 WARN L188 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2019-09-10 04:37:42,438 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2019-09-10 04:37:42,878 WARN L188 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 84 [2019-09-10 04:37:43,144 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 71 [2019-09-10 04:37:43,577 WARN L188 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2019-09-10 04:37:44,053 WARN L188 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 80 [2019-09-10 04:37:44,383 WARN L188 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2019-09-10 04:37:44,735 WARN L188 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2019-09-10 04:37:45,090 WARN L188 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2019-09-10 04:37:45,372 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2019-09-10 04:37:45,696 WARN L188 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2019-09-10 04:37:46,069 WARN L188 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2019-09-10 04:37:46,437 WARN L188 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 72 [2019-09-10 04:37:46,814 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2019-09-10 04:37:47,433 WARN L188 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 76 [2019-09-10 04:37:47,744 WARN L188 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-10 04:37:48,290 WARN L188 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 78 [2019-09-10 04:37:48,653 WARN L188 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2019-09-10 04:37:49,006 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 83 [2019-09-10 04:37:49,404 WARN L188 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 84 [2019-09-10 04:37:49,718 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 84 [2019-09-10 04:37:49,993 WARN L188 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 74 [2019-09-10 04:37:50,264 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-09-10 04:37:50,659 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 75 [2019-09-10 04:37:51,016 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 80 [2019-09-10 04:37:51,294 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2019-09-10 04:37:51,575 WARN L188 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2019-09-10 04:37:52,044 WARN L188 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 86 [2019-09-10 04:37:52,398 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2019-09-10 04:37:53,082 WARN L188 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2019-09-10 04:37:53,487 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2019-09-10 04:37:53,745 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-09-10 04:37:54,183 WARN L188 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 84 [2019-09-10 04:37:54,967 WARN L188 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 82 [2019-09-10 04:37:55,242 WARN L188 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-09-10 04:37:55,663 WARN L188 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2019-09-10 04:37:55,973 WARN L188 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-10 04:37:56,348 WARN L188 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 69 [2019-09-10 04:37:56,720 WARN L188 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 79 [2019-09-10 04:37:56,988 WARN L188 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 80 [2019-09-10 04:37:57,296 WARN L188 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2019-09-10 04:37:57,604 WARN L188 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 81 [2019-09-10 04:37:57,966 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2019-09-10 04:37:59,580 WARN L188 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2019-09-10 04:38:00,455 WARN L188 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 89 [2019-09-10 04:38:00,826 WARN L188 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 87 [2019-09-10 04:38:01,194 WARN L188 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-09-10 04:38:01,491 WARN L188 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-10 04:38:01,823 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2019-09-10 04:38:02,414 WARN L188 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2019-09-10 04:38:02,936 WARN L188 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2019-09-10 04:38:03,462 WARN L188 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2019-09-10 04:38:03,924 WARN L188 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2019-09-10 04:38:04,396 WARN L188 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-09-10 04:38:05,193 WARN L188 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2019-09-10 04:38:05,784 WARN L188 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 85 [2019-09-10 04:38:06,097 WARN L188 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2019-09-10 04:38:06,605 WARN L188 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-09-10 04:38:06,984 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2019-09-10 04:38:07,391 WARN L188 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 83 [2019-09-10 04:38:07,726 WARN L188 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 88 [2019-09-10 04:38:08,008 WARN L188 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2019-09-10 04:38:08,696 WARN L188 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 84 [2019-09-10 04:38:09,114 WARN L188 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2019-09-10 04:38:09,397 WARN L188 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 84 [2019-09-10 04:38:09,754 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 87 [2019-09-10 04:38:10,118 WARN L188 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-09-10 04:38:10,656 WARN L188 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-10 04:38:11,216 WARN L188 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 85 [2019-09-10 04:38:11,988 WARN L188 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2019-09-10 04:38:12,459 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2019-09-10 04:38:13,058 WARN L188 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 85 [2019-09-10 04:38:13,433 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 81 [2019-09-10 04:38:13,920 WARN L188 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-10 04:38:14,508 WARN L188 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 76 [2019-09-10 04:38:15,122 WARN L188 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-10 04:38:15,483 WARN L188 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-09-10 04:38:16,011 WARN L188 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 80 [2019-09-10 04:38:16,306 WARN L188 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 83 [2019-09-10 04:38:16,840 WARN L188 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2019-09-10 04:38:17,297 WARN L188 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 86 [2019-09-10 04:38:17,920 WARN L188 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2019-09-10 04:38:18,303 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2019-09-10 04:38:18,921 WARN L188 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 88 [2019-09-10 04:38:19,368 WARN L188 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-10 04:38:19,974 WARN L188 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 87 [2019-09-10 04:38:20,446 WARN L188 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2019-09-10 04:38:20,752 WARN L188 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-10 04:38:21,189 WARN L188 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-09-10 04:38:21,644 WARN L188 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 88 [2019-09-10 04:38:22,024 WARN L188 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 71 [2019-09-10 04:38:22,540 WARN L188 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2019-09-10 04:38:23,179 WARN L188 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 74 [2019-09-10 04:38:23,998 WARN L188 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 73 [2019-09-10 04:38:25,467 WARN L188 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 72 [2019-09-10 04:38:25,879 WARN L188 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 73 [2019-09-10 04:38:26,408 WARN L188 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 73 [2019-09-10 04:38:26,704 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2019-09-10 04:38:27,258 WARN L188 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 72 [2019-09-10 04:38:27,832 WARN L188 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2019-09-10 04:38:28,088 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 70 [2019-09-10 04:38:28,307 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 69 [2019-09-10 04:38:28,541 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 68 [2019-09-10 04:38:28,983 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 66 [2019-09-10 04:38:29,366 WARN L188 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-09-10 04:38:29,841 WARN L188 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 76 [2019-09-10 04:38:30,198 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2019-09-10 04:38:30,850 WARN L188 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 82 [2019-09-10 04:38:31,129 WARN L188 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 82 [2019-09-10 04:38:31,530 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-09-10 04:38:32,007 WARN L188 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2019-09-10 04:38:32,309 WARN L188 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 80 [2019-09-10 04:38:32,600 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2019-09-10 04:38:32,897 WARN L188 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-09-10 04:38:33,281 WARN L188 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2019-09-10 04:38:33,697 WARN L188 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2019-09-10 04:38:34,327 WARN L188 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2019-09-10 04:38:34,592 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 76 [2019-09-10 04:38:34,863 WARN L188 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2019-09-10 04:38:35,115 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 63 [2019-09-10 04:38:35,396 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 57 [2019-09-10 04:38:35,684 WARN L188 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-10 04:38:36,119 WARN L188 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 80 [2019-09-10 04:38:36,744 WARN L188 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2019-09-10 04:38:37,254 WARN L188 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 77 [2019-09-10 04:38:37,723 WARN L188 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2019-09-10 04:38:39,297 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 84 [2019-09-10 04:38:39,865 WARN L188 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86