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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 10:32:02,795 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 10:32:02,797 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 10:32:02,808 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 10:32:02,809 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 10:32:02,810 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 10:32:02,811 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 10:32:02,813 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 10:32:02,814 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 10:32:02,815 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 10:32:02,816 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 10:32:02,817 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 10:32:02,818 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 10:32:02,818 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 10:32:02,819 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 10:32:02,820 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 10:32:02,821 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 10:32:02,822 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 10:32:02,824 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 10:32:02,826 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 10:32:02,827 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 10:32:02,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 10:32:02,829 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 10:32:02,830 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 10:32:02,832 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-08 10:32:02,835 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 10:32:02,836 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 10:32:02,836 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 10:32:02,837 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 10:32:02,838 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 10:32:02,838 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 10:32:02,839 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 10:32:02,839 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 10:32:02,839 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 10:32:02,840 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 10:32:02,841 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 10:32:02,842 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-08 10:32:02,856 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 10:32:02,856 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 10:32:02,857 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 10:32:02,857 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 10:32:02,858 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 10:32:02,858 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 10:32:02,858 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 10:32:02,858 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 10:32:02,858 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 10:32:02,859 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 10:32:02,859 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 10:32:02,859 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 10:32:02,859 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 10:32:02,859 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 10:32:02,860 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 10:32:02,860 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 10:32:02,860 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 10:32:02,860 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 10:32:02,860 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 10:32:02,861 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 10:32:02,861 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 10:32:02,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 10:32:02,861 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 10:32:02,862 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 10:32:02,863 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 10:32:02,863 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 10:32:02,863 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 10:32:02,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 10:32:02,863 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 10:32:02,906 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 10:32:02,921 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 10:32:02,926 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 10:32:02,927 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 10:32:02,929 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 10:32:02,930 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2019-09-08 10:32:03,006 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2c1d19d3/ca48b799fb964a7c881f7a60c29e22f0/FLAGf4a008786 [2019-09-08 10:32:03,517 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 10:32:03,517 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2019-09-08 10:32:03,532 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2c1d19d3/ca48b799fb964a7c881f7a60c29e22f0/FLAGf4a008786 [2019-09-08 10:32:03,842 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2c1d19d3/ca48b799fb964a7c881f7a60c29e22f0 [2019-09-08 10:32:03,850 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 10:32:03,852 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 10:32:03,853 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 10:32:03,853 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 10:32:03,857 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 10:32:03,858 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 10:32:03" (1/1) ... [2019-09-08 10:32:03,860 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4741b8f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:32:03, skipping insertion in model container [2019-09-08 10:32:03,861 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 10:32:03" (1/1) ... [2019-09-08 10:32:03,868 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 10:32:03,911 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 10:32:04,270 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 10:32:04,282 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 10:32:04,359 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 10:32:04,379 INFO L192 MainTranslator]: Completed translation [2019-09-08 10:32:04,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:32:04 WrapperNode [2019-09-08 10:32:04,380 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 10:32:04,381 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 10:32:04,381 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 10:32:04,381 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 10:32:04,395 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:32:04" (1/1) ... [2019-09-08 10:32:04,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:32:04" (1/1) ... [2019-09-08 10:32:04,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:32:04" (1/1) ... [2019-09-08 10:32:04,405 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:32:04" (1/1) ... [2019-09-08 10:32:04,415 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:32:04" (1/1) ... [2019-09-08 10:32:04,422 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:32:04" (1/1) ... [2019-09-08 10:32:04,425 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:32:04" (1/1) ... [2019-09-08 10:32:04,429 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 10:32:04,429 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 10:32:04,430 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 10:32:04,430 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 10:32:04,431 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:32:04" (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 [2019-09-08 10:32:04,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 10:32:04,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 10:32:04,500 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 10:32:04,500 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 10:32:04,500 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-08 10:32:04,501 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-08 10:32:04,501 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-08 10:32:04,501 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-08 10:32:04,501 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-08 10:32:04,501 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-08 10:32:04,502 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-08 10:32:04,502 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-08 10:32:04,502 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-08 10:32:04,502 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-08 10:32:04,502 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-08 10:32:04,502 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-08 10:32:04,503 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 10:32:04,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 10:32:04,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 10:32:05,110 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 10:32:05,111 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-08 10:32:05,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 10:32:05 BoogieIcfgContainer [2019-09-08 10:32:05,112 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 10:32:05,114 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 10:32:05,114 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 10:32:05,117 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 10:32:05,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 10:32:03" (1/3) ... [2019-09-08 10:32:05,120 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f782f32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 10:32:05, skipping insertion in model container [2019-09-08 10:32:05,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:32:04" (2/3) ... [2019-09-08 10:32:05,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f782f32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 10:32:05, skipping insertion in model container [2019-09-08 10:32:05,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 10:32:05" (3/3) ... [2019-09-08 10:32:05,127 INFO L109 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2019-09-08 10:32:05,138 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 10:32:05,158 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 10:32:05,175 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 10:32:05,211 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 10:32:05,211 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 10:32:05,212 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 10:32:05,212 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 10:32:05,212 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 10:32:05,212 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 10:32:05,213 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 10:32:05,213 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 10:32:05,213 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 10:32:05,247 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states. [2019-09-08 10:32:05,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-09-08 10:32:05,255 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 10:32:05,256 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] [2019-09-08 10:32:05,257 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 10:32:05,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 10:32:05,262 INFO L82 PathProgramCache]: Analyzing trace with hash 365919119, now seen corresponding path program 1 times [2019-09-08 10:32:05,264 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 10:32:05,264 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 10:32:05,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:32:05,321 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 10:32:05,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:32:05,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 10:32:05,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 10:32:05,596 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 10:32:05,598 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 10:32:05,603 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 10:32:05,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 10:32:05,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 10:32:05,620 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 3 states. [2019-09-08 10:32:05,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 10:32:05,708 INFO L93 Difference]: Finished difference Result 212 states and 331 transitions. [2019-09-08 10:32:05,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 10:32:05,712 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2019-09-08 10:32:05,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 10:32:05,725 INFO L225 Difference]: With dead ends: 212 [2019-09-08 10:32:05,725 INFO L226 Difference]: Without dead ends: 136 [2019-09-08 10:32:05,729 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 [2019-09-08 10:32:05,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2019-09-08 10:32:05,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 134. [2019-09-08 10:32:05,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-09-08 10:32:05,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 198 transitions. [2019-09-08 10:32:05,791 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 198 transitions. Word has length 42 [2019-09-08 10:32:05,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 10:32:05,792 INFO L475 AbstractCegarLoop]: Abstraction has 134 states and 198 transitions. [2019-09-08 10:32:05,792 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 10:32:05,793 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 198 transitions. [2019-09-08 10:32:05,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-09-08 10:32:05,795 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 10:32:05,795 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] [2019-09-08 10:32:05,795 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 10:32:05,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 10:32:05,796 INFO L82 PathProgramCache]: Analyzing trace with hash -79929744, now seen corresponding path program 1 times [2019-09-08 10:32:05,796 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 10:32:05,796 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 10:32:05,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:32:05,799 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 10:32:05,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:32:05,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 10:32:05,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 10:32:05,943 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 10:32:05,943 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 10:32:05,945 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 10:32:05,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 10:32:05,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 10:32:05,946 INFO L87 Difference]: Start difference. First operand 134 states and 198 transitions. Second operand 3 states. [2019-09-08 10:32:06,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 10:32:06,019 INFO L93 Difference]: Finished difference Result 322 states and 494 transitions. [2019-09-08 10:32:06,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 10:32:06,020 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-09-08 10:32:06,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 10:32:06,023 INFO L225 Difference]: With dead ends: 322 [2019-09-08 10:32:06,023 INFO L226 Difference]: Without dead ends: 212 [2019-09-08 10:32:06,025 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 [2019-09-08 10:32:06,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2019-09-08 10:32:06,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 210. [2019-09-08 10:32:06,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2019-09-08 10:32:06,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 317 transitions. [2019-09-08 10:32:06,057 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 317 transitions. Word has length 43 [2019-09-08 10:32:06,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 10:32:06,059 INFO L475 AbstractCegarLoop]: Abstraction has 210 states and 317 transitions. [2019-09-08 10:32:06,059 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 10:32:06,060 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 317 transitions. [2019-09-08 10:32:06,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-09-08 10:32:06,061 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 10:32:06,061 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] [2019-09-08 10:32:06,062 INFO L418 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 10:32:06,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 10:32:06,062 INFO L82 PathProgramCache]: Analyzing trace with hash -1825970920, now seen corresponding path program 1 times [2019-09-08 10:32:06,063 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 10:32:06,063 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 10:32:06,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:32:06,065 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 10:32:06,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:32:06,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 10:32:06,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 10:32:06,241 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 10:32:06,241 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 10:32:06,242 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 10:32:06,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 10:32:06,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 10:32:06,245 INFO L87 Difference]: Start difference. First operand 210 states and 317 transitions. Second operand 5 states. [2019-09-08 10:32:06,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 10:32:06,447 INFO L93 Difference]: Finished difference Result 954 states and 1489 transitions. [2019-09-08 10:32:06,448 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 10:32:06,449 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 44 [2019-09-08 10:32:06,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 10:32:06,461 INFO L225 Difference]: With dead ends: 954 [2019-09-08 10:32:06,461 INFO L226 Difference]: Without dead ends: 768 [2019-09-08 10:32:06,468 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-09-08 10:32:06,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2019-09-08 10:32:06,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 394. [2019-09-08 10:32:06,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2019-09-08 10:32:06,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 601 transitions. [2019-09-08 10:32:06,568 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 601 transitions. Word has length 44 [2019-09-08 10:32:06,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 10:32:06,569 INFO L475 AbstractCegarLoop]: Abstraction has 394 states and 601 transitions. [2019-09-08 10:32:06,569 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 10:32:06,569 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 601 transitions. [2019-09-08 10:32:06,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-09-08 10:32:06,571 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 10:32:06,571 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] [2019-09-08 10:32:06,572 INFO L418 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 10:32:06,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 10:32:06,572 INFO L82 PathProgramCache]: Analyzing trace with hash -789056467, now seen corresponding path program 1 times [2019-09-08 10:32:06,572 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 10:32:06,573 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 10:32:06,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:32:06,574 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 10:32:06,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:32:06,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 10:32:06,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 10:32:06,690 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 10:32:06,690 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 10:32:06,690 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 10:32:06,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 10:32:06,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-09-08 10:32:06,691 INFO L87 Difference]: Start difference. First operand 394 states and 601 transitions. Second operand 5 states. [2019-09-08 10:32:06,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 10:32:06,819 INFO L93 Difference]: Finished difference Result 1352 states and 2084 transitions. [2019-09-08 10:32:06,819 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 10:32:06,819 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 45 [2019-09-08 10:32:06,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 10:32:06,826 INFO L225 Difference]: With dead ends: 1352 [2019-09-08 10:32:06,826 INFO L226 Difference]: Without dead ends: 982 [2019-09-08 10:32:06,827 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-09-08 10:32:06,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 982 states. [2019-09-08 10:32:06,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 982 to 978. [2019-09-08 10:32:06,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 978 states. [2019-09-08 10:32:06,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 978 states and 1497 transitions. [2019-09-08 10:32:06,895 INFO L78 Accepts]: Start accepts. Automaton has 978 states and 1497 transitions. Word has length 45 [2019-09-08 10:32:06,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 10:32:06,896 INFO L475 AbstractCegarLoop]: Abstraction has 978 states and 1497 transitions. [2019-09-08 10:32:06,896 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 10:32:06,896 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1497 transitions. [2019-09-08 10:32:06,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-08 10:32:06,899 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 10:32:06,899 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] [2019-09-08 10:32:06,899 INFO L418 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 10:32:06,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 10:32:06,900 INFO L82 PathProgramCache]: Analyzing trace with hash 57272683, now seen corresponding path program 1 times [2019-09-08 10:32:06,900 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 10:32:06,902 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 10:32:06,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:32:06,905 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 10:32:06,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:32:06,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 10:32:06,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 10:32:06,959 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 10:32:06,959 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 10:32:06,959 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 10:32:06,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 10:32:06,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 10:32:06,960 INFO L87 Difference]: Start difference. First operand 978 states and 1497 transitions. Second operand 3 states. [2019-09-08 10:32:07,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 10:32:07,101 INFO L93 Difference]: Finished difference Result 2494 states and 3811 transitions. [2019-09-08 10:32:07,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 10:32:07,101 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2019-09-08 10:32:07,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 10:32:07,109 INFO L225 Difference]: With dead ends: 2494 [2019-09-08 10:32:07,110 INFO L226 Difference]: Without dead ends: 1540 [2019-09-08 10:32:07,112 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 [2019-09-08 10:32:07,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1540 states. [2019-09-08 10:32:07,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1540 to 1538. [2019-09-08 10:32:07,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1538 states. [2019-09-08 10:32:07,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1538 states to 1538 states and 2313 transitions. [2019-09-08 10:32:07,205 INFO L78 Accepts]: Start accepts. Automaton has 1538 states and 2313 transitions. Word has length 46 [2019-09-08 10:32:07,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 10:32:07,205 INFO L475 AbstractCegarLoop]: Abstraction has 1538 states and 2313 transitions. [2019-09-08 10:32:07,205 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 10:32:07,205 INFO L276 IsEmpty]: Start isEmpty. Operand 1538 states and 2313 transitions. [2019-09-08 10:32:07,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-08 10:32:07,207 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 10:32:07,207 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] [2019-09-08 10:32:07,207 INFO L418 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 10:32:07,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 10:32:07,208 INFO L82 PathProgramCache]: Analyzing trace with hash 318856598, now seen corresponding path program 1 times [2019-09-08 10:32:07,208 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 10:32:07,208 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 10:32:07,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:32:07,209 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 10:32:07,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:32:07,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 10:32:07,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 10:32:07,273 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 10:32:07,273 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 10:32:07,273 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 10:32:07,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 10:32:07,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 10:32:07,274 INFO L87 Difference]: Start difference. First operand 1538 states and 2313 transitions. Second operand 5 states. [2019-09-08 10:32:07,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 10:32:07,603 INFO L93 Difference]: Finished difference Result 4110 states and 6203 transitions. [2019-09-08 10:32:07,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 10:32:07,604 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2019-09-08 10:32:07,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 10:32:07,618 INFO L225 Difference]: With dead ends: 4110 [2019-09-08 10:32:07,618 INFO L226 Difference]: Without dead ends: 2596 [2019-09-08 10:32:07,623 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-09-08 10:32:07,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2596 states. [2019-09-08 10:32:07,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2596 to 2594. [2019-09-08 10:32:07,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2594 states. [2019-09-08 10:32:07,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2594 states to 2594 states and 3873 transitions. [2019-09-08 10:32:07,830 INFO L78 Accepts]: Start accepts. Automaton has 2594 states and 3873 transitions. Word has length 47 [2019-09-08 10:32:07,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 10:32:07,835 INFO L475 AbstractCegarLoop]: Abstraction has 2594 states and 3873 transitions. [2019-09-08 10:32:07,835 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 10:32:07,835 INFO L276 IsEmpty]: Start isEmpty. Operand 2594 states and 3873 transitions. [2019-09-08 10:32:07,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-08 10:32:07,836 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 10:32:07,836 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] [2019-09-08 10:32:07,836 INFO L418 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 10:32:07,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 10:32:07,839 INFO L82 PathProgramCache]: Analyzing trace with hash -495555397, now seen corresponding path program 1 times [2019-09-08 10:32:07,844 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 10:32:07,844 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 10:32:07,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:32:07,848 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 10:32:07,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:32:07,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 10:32:07,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 10:32:07,981 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 10:32:07,981 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 10:32:07,981 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 10:32:07,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 10:32:07,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 10:32:07,982 INFO L87 Difference]: Start difference. First operand 2594 states and 3873 transitions. Second operand 5 states. [2019-09-08 10:32:08,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 10:32:08,360 INFO L93 Difference]: Finished difference Result 5324 states and 7882 transitions. [2019-09-08 10:32:08,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 10:32:08,361 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2019-09-08 10:32:08,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 10:32:08,393 INFO L225 Difference]: With dead ends: 5324 [2019-09-08 10:32:08,393 INFO L226 Difference]: Without dead ends: 5322 [2019-09-08 10:32:08,396 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-09-08 10:32:08,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5322 states. [2019-09-08 10:32:08,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5322 to 2754. [2019-09-08 10:32:08,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2754 states. [2019-09-08 10:32:08,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2754 states to 2754 states and 4033 transitions. [2019-09-08 10:32:08,714 INFO L78 Accepts]: Start accepts. Automaton has 2754 states and 4033 transitions. Word has length 47 [2019-09-08 10:32:08,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 10:32:08,715 INFO L475 AbstractCegarLoop]: Abstraction has 2754 states and 4033 transitions. [2019-09-08 10:32:08,715 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 10:32:08,715 INFO L276 IsEmpty]: Start isEmpty. Operand 2754 states and 4033 transitions. [2019-09-08 10:32:08,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-09-08 10:32:08,716 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 10:32:08,716 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] [2019-09-08 10:32:08,716 INFO L418 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 10:32:08,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 10:32:08,717 INFO L82 PathProgramCache]: Analyzing trace with hash 1827271577, now seen corresponding path program 1 times [2019-09-08 10:32:08,717 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 10:32:08,717 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 10:32:08,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:32:08,719 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 10:32:08,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:32:08,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 10:32:08,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 10:32:08,772 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 10:32:08,772 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 10:32:08,773 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 10:32:08,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 10:32:08,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 10:32:08,774 INFO L87 Difference]: Start difference. First operand 2754 states and 4033 transitions. Second operand 3 states. [2019-09-08 10:32:09,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 10:32:09,077 INFO L93 Difference]: Finished difference Result 6196 states and 9057 transitions. [2019-09-08 10:32:09,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 10:32:09,078 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2019-09-08 10:32:09,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 10:32:09,096 INFO L225 Difference]: With dead ends: 6196 [2019-09-08 10:32:09,096 INFO L226 Difference]: Without dead ends: 3466 [2019-09-08 10:32:09,133 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 [2019-09-08 10:32:09,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3466 states. [2019-09-08 10:32:09,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3466 to 3444. [2019-09-08 10:32:09,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3444 states. [2019-09-08 10:32:09,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3444 states to 3444 states and 4987 transitions. [2019-09-08 10:32:09,360 INFO L78 Accepts]: Start accepts. Automaton has 3444 states and 4987 transitions. Word has length 48 [2019-09-08 10:32:09,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 10:32:09,361 INFO L475 AbstractCegarLoop]: Abstraction has 3444 states and 4987 transitions. [2019-09-08 10:32:09,361 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 10:32:09,361 INFO L276 IsEmpty]: Start isEmpty. Operand 3444 states and 4987 transitions. [2019-09-08 10:32:09,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-09-08 10:32:09,364 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 10:32:09,364 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-08 10:32:09,365 INFO L418 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 10:32:09,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 10:32:09,365 INFO L82 PathProgramCache]: Analyzing trace with hash 273056890, now seen corresponding path program 1 times [2019-09-08 10:32:09,365 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 10:32:09,365 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 10:32:09,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:32:09,367 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 10:32:09,367 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:32:09,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 10:32:09,634 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 10:32:09,635 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 10:32:09,635 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP 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 [2019-09-08 10:32:09,661 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 10:32:09,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 10:32:09,750 INFO L256 TraceCheckSpWp]: Trace formula consists of 505 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-08 10:32:09,758 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 10:32:09,868 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (2)] Exception during sending of exit command (exit): Broken pipe [2019-09-08 10:32:09,874 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 10:32:09,874 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 4] total 12 [2019-09-08 10:32:09,875 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-09-08 10:32:09,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-09-08 10:32:09,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2019-09-08 10:32:09,875 INFO L87 Difference]: Start difference. First operand 3444 states and 4987 transitions. Second operand 12 states. [2019-09-08 10:32:18,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 10:32:18,749 INFO L93 Difference]: Finished difference Result 43244 states and 61471 transitions. [2019-09-08 10:32:18,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2019-09-08 10:32:18,749 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 67 [2019-09-08 10:32:18,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 10:32:18,870 INFO L225 Difference]: With dead ends: 43244 [2019-09-08 10:32:18,871 INFO L226 Difference]: Without dead ends: 39826 [2019-09-08 10:32:18,891 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3776 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=1653, Invalid=7853, Unknown=0, NotChecked=0, Total=9506 [2019-09-08 10:32:18,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39826 states. [2019-09-08 10:32:20,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39826 to 10734. [2019-09-08 10:32:20,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10734 states. [2019-09-08 10:32:20,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10734 states to 10734 states and 15180 transitions. [2019-09-08 10:32:20,179 INFO L78 Accepts]: Start accepts. Automaton has 10734 states and 15180 transitions. Word has length 67 [2019-09-08 10:32:20,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 10:32:20,179 INFO L475 AbstractCegarLoop]: Abstraction has 10734 states and 15180 transitions. [2019-09-08 10:32:20,180 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-09-08 10:32:20,180 INFO L276 IsEmpty]: Start isEmpty. Operand 10734 states and 15180 transitions. [2019-09-08 10:32:20,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-09-08 10:32:20,183 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 10:32:20,184 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-08 10:32:20,184 INFO L418 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 10:32:20,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 10:32:20,184 INFO L82 PathProgramCache]: Analyzing trace with hash 1476022815, now seen corresponding path program 1 times [2019-09-08 10:32:20,185 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 10:32:20,185 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 10:32:20,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:32:20,187 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 10:32:20,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:32:20,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 10:32:20,241 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 10:32:20,242 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 10:32:20,242 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 10:32:20,242 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 10:32:20,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 10:32:20,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 10:32:20,243 INFO L87 Difference]: Start difference. First operand 10734 states and 15180 transitions. Second operand 3 states. [2019-09-08 10:32:21,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 10:32:21,302 INFO L93 Difference]: Finished difference Result 24013 states and 34100 transitions. [2019-09-08 10:32:21,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 10:32:21,302 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2019-09-08 10:32:21,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 10:32:21,336 INFO L225 Difference]: With dead ends: 24013 [2019-09-08 10:32:21,336 INFO L226 Difference]: Without dead ends: 15561 [2019-09-08 10:32:21,353 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 [2019-09-08 10:32:21,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15561 states. [2019-09-08 10:32:23,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15561 to 15559. [2019-09-08 10:32:23,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15559 states. [2019-09-08 10:32:23,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15559 states to 15559 states and 21834 transitions. [2019-09-08 10:32:23,070 INFO L78 Accepts]: Start accepts. Automaton has 15559 states and 21834 transitions. Word has length 67 [2019-09-08 10:32:23,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 10:32:23,071 INFO L475 AbstractCegarLoop]: Abstraction has 15559 states and 21834 transitions. [2019-09-08 10:32:23,071 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 10:32:23,071 INFO L276 IsEmpty]: Start isEmpty. Operand 15559 states and 21834 transitions. [2019-09-08 10:32:23,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-09-08 10:32:23,075 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 10:32:23,076 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-08 10:32:23,076 INFO L418 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 10:32:23,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 10:32:23,076 INFO L82 PathProgramCache]: Analyzing trace with hash 1544866088, now seen corresponding path program 1 times [2019-09-08 10:32:23,076 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 10:32:23,076 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 10:32:23,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:32:23,078 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 10:32:23,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:32:23,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 10:32:23,156 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-09-08 10:32:23,156 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 10:32:23,156 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 10:32:23,157 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 10:32:23,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 10:32:23,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-09-08 10:32:23,157 INFO L87 Difference]: Start difference. First operand 15559 states and 21834 transitions. Second operand 6 states. [2019-09-08 10:32:25,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 10:32:25,660 INFO L93 Difference]: Finished difference Result 57471 states and 80196 transitions. [2019-09-08 10:32:25,661 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 10:32:25,661 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 67 [2019-09-08 10:32:25,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 10:32:25,712 INFO L225 Difference]: With dead ends: 57471 [2019-09-08 10:32:25,712 INFO L226 Difference]: Without dead ends: 41939 [2019-09-08 10:32:25,745 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2019-09-08 10:32:25,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41939 states. [2019-09-08 10:32:29,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41939 to 41935. [2019-09-08 10:32:29,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41935 states. [2019-09-08 10:32:29,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41935 states to 41935 states and 58024 transitions. [2019-09-08 10:32:29,634 INFO L78 Accepts]: Start accepts. Automaton has 41935 states and 58024 transitions. Word has length 67 [2019-09-08 10:32:29,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 10:32:29,635 INFO L475 AbstractCegarLoop]: Abstraction has 41935 states and 58024 transitions. [2019-09-08 10:32:29,635 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 10:32:29,635 INFO L276 IsEmpty]: Start isEmpty. Operand 41935 states and 58024 transitions. [2019-09-08 10:32:29,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-09-08 10:32:29,641 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 10:32:29,642 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-08 10:32:29,642 INFO L418 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 10:32:29,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 10:32:29,642 INFO L82 PathProgramCache]: Analyzing trace with hash 974449507, now seen corresponding path program 1 times [2019-09-08 10:32:29,642 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 10:32:29,643 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 10:32:29,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:32:29,644 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 10:32:29,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:32:29,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 10:32:29,721 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 10:32:29,722 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 10:32:29,722 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP 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) [2019-09-08 10:32:29,739 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 10:32:29,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 10:32:29,817 INFO L256 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-08 10:32:29,831 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 10:32:29,939 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 10:32:29,944 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 10:32:29,945 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2019-09-08 10:32:29,945 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-08 10:32:29,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-08 10:32:29,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2019-09-08 10:32:29,947 INFO L87 Difference]: Start difference. First operand 41935 states and 58024 transitions. Second operand 11 states. [2019-09-08 10:32:36,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 10:32:36,296 INFO L93 Difference]: Finished difference Result 121666 states and 168280 transitions. [2019-09-08 10:32:36,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-08 10:32:36,296 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 67 [2019-09-08 10:32:36,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 10:32:36,407 INFO L225 Difference]: With dead ends: 121666 [2019-09-08 10:32:36,407 INFO L226 Difference]: Without dead ends: 88094 [2019-09-08 10:32:36,472 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2019-09-08 10:32:36,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88094 states. [2019-09-08 10:32:41,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88094 to 51285. [2019-09-08 10:32:41,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51285 states. [2019-09-08 10:32:41,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51285 states to 51285 states and 71098 transitions. [2019-09-08 10:32:41,548 INFO L78 Accepts]: Start accepts. Automaton has 51285 states and 71098 transitions. Word has length 67 [2019-09-08 10:32:41,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 10:32:41,549 INFO L475 AbstractCegarLoop]: Abstraction has 51285 states and 71098 transitions. [2019-09-08 10:32:41,549 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-08 10:32:41,549 INFO L276 IsEmpty]: Start isEmpty. Operand 51285 states and 71098 transitions. [2019-09-08 10:32:41,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-09-08 10:32:41,553 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 10:32:41,554 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-08 10:32:41,554 INFO L418 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 10:32:41,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 10:32:41,554 INFO L82 PathProgramCache]: Analyzing trace with hash 487613676, now seen corresponding path program 1 times [2019-09-08 10:32:41,555 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 10:32:41,555 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 10:32:41,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:32:41,556 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 10:32:41,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:32:41,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 10:32:41,606 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 10:32:41,606 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 10:32:41,606 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 10:32:41,607 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 10:32:41,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 10:32:41,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 10:32:41,607 INFO L87 Difference]: Start difference. First operand 51285 states and 71098 transitions. Second operand 3 states. [2019-09-08 10:32:47,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 10:32:47,010 INFO L93 Difference]: Finished difference Result 86749 states and 119941 transitions. [2019-09-08 10:32:47,010 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 10:32:47,011 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2019-09-08 10:32:47,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 10:32:47,074 INFO L225 Difference]: With dead ends: 86749 [2019-09-08 10:32:47,074 INFO L226 Difference]: Without dead ends: 53314 [2019-09-08 10:32:47,109 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 [2019-09-08 10:32:47,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53314 states. [2019-09-08 10:32:50,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53314 to 48422. [2019-09-08 10:32:50,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48422 states. [2019-09-08 10:32:50,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48422 states to 48422 states and 66099 transitions. [2019-09-08 10:32:50,450 INFO L78 Accepts]: Start accepts. Automaton has 48422 states and 66099 transitions. Word has length 67 [2019-09-08 10:32:50,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 10:32:50,451 INFO L475 AbstractCegarLoop]: Abstraction has 48422 states and 66099 transitions. [2019-09-08 10:32:50,451 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 10:32:50,451 INFO L276 IsEmpty]: Start isEmpty. Operand 48422 states and 66099 transitions. [2019-09-08 10:32:50,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-09-08 10:32:50,458 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 10:32:50,458 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-08 10:32:50,458 INFO L418 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 10:32:50,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 10:32:50,459 INFO L82 PathProgramCache]: Analyzing trace with hash 1652528835, now seen corresponding path program 1 times [2019-09-08 10:32:50,459 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 10:32:50,459 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 10:32:50,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:32:50,460 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 10:32:50,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:32:50,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 10:32:50,525 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-09-08 10:32:50,525 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 10:32:50,525 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 10:32:50,526 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 10:32:50,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 10:32:50,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-09-08 10:32:50,526 INFO L87 Difference]: Start difference. First operand 48422 states and 66099 transitions. Second operand 6 states. [2019-09-08 10:32:59,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 10:32:59,942 INFO L93 Difference]: Finished difference Result 166026 states and 225525 transitions. [2019-09-08 10:32:59,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 10:32:59,942 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 67 [2019-09-08 10:32:59,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 10:33:00,122 INFO L225 Difference]: With dead ends: 166026 [2019-09-08 10:33:00,122 INFO L226 Difference]: Without dead ends: 117707 [2019-09-08 10:33:00,185 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2019-09-08 10:33:00,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117707 states. [2019-09-08 10:33:10,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117707 to 116947. [2019-09-08 10:33:10,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116947 states. [2019-09-08 10:33:10,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116947 states to 116947 states and 158102 transitions. [2019-09-08 10:33:10,996 INFO L78 Accepts]: Start accepts. Automaton has 116947 states and 158102 transitions. Word has length 67 [2019-09-08 10:33:10,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 10:33:10,996 INFO L475 AbstractCegarLoop]: Abstraction has 116947 states and 158102 transitions. [2019-09-08 10:33:10,996 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 10:33:10,996 INFO L276 IsEmpty]: Start isEmpty. Operand 116947 states and 158102 transitions. [2019-09-08 10:33:11,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-09-08 10:33:11,002 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 10:33:11,002 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-08 10:33:11,003 INFO L418 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 10:33:11,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 10:33:11,003 INFO L82 PathProgramCache]: Analyzing trace with hash 255572904, now seen corresponding path program 1 times [2019-09-08 10:33:11,003 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 10:33:11,003 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 10:33:11,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:33:11,004 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 10:33:11,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:33:11,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 10:33:11,082 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 10:33:11,083 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 10:33:11,083 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP 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) [2019-09-08 10:33:11,110 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 10:33:11,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 10:33:11,189 INFO L256 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-08 10:33:11,194 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 10:33:11,280 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 10:33:11,292 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 10:33:11,293 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2019-09-08 10:33:11,293 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-08 10:33:11,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-08 10:33:11,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2019-09-08 10:33:11,294 INFO L87 Difference]: Start difference. First operand 116947 states and 158102 transitions. Second operand 11 states. [2019-09-08 10:33:31,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 10:33:31,548 INFO L93 Difference]: Finished difference Result 274248 states and 371936 transitions. [2019-09-08 10:33:31,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-08 10:33:31,548 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 67 [2019-09-08 10:33:31,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 10:33:31,892 INFO L225 Difference]: With dead ends: 274248 [2019-09-08 10:33:31,892 INFO L226 Difference]: Without dead ends: 223838 [2019-09-08 10:33:31,973 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2019-09-08 10:33:32,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223838 states. [2019-09-08 10:33:43,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223838 to 135955. [2019-09-08 10:33:43,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135955 states. [2019-09-08 10:33:43,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135955 states to 135955 states and 183936 transitions. [2019-09-08 10:33:43,552 INFO L78 Accepts]: Start accepts. Automaton has 135955 states and 183936 transitions. Word has length 67 [2019-09-08 10:33:43,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 10:33:43,552 INFO L475 AbstractCegarLoop]: Abstraction has 135955 states and 183936 transitions. [2019-09-08 10:33:43,552 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-08 10:33:43,553 INFO L276 IsEmpty]: Start isEmpty. Operand 135955 states and 183936 transitions. [2019-09-08 10:33:43,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-09-08 10:33:43,560 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 10:33:43,560 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-08 10:33:43,560 INFO L418 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 10:33:43,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 10:33:43,561 INFO L82 PathProgramCache]: Analyzing trace with hash 1664728553, now seen corresponding path program 1 times [2019-09-08 10:33:43,561 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 10:33:43,561 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 10:33:43,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:33:43,562 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 10:33:43,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:33:43,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 10:33:43,600 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 10:33:43,600 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 10:33:43,601 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 10:33:43,601 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 10:33:43,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 10:33:43,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 10:33:43,602 INFO L87 Difference]: Start difference. First operand 135955 states and 183936 transitions. Second operand 3 states. [2019-09-08 10:33:58,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 10:33:58,924 INFO L93 Difference]: Finished difference Result 243448 states and 329752 transitions. [2019-09-08 10:33:58,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 10:33:58,925 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2019-09-08 10:33:58,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 10:33:59,169 INFO L225 Difference]: With dead ends: 243448 [2019-09-08 10:33:59,170 INFO L226 Difference]: Without dead ends: 156913 [2019-09-08 10:33:59,240 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 [2019-09-08 10:33:59,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156913 states. [2019-09-08 10:34:11,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156913 to 143799. [2019-09-08 10:34:11,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143799 states. [2019-09-08 10:34:11,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143799 states to 143799 states and 191678 transitions. [2019-09-08 10:34:11,943 INFO L78 Accepts]: Start accepts. Automaton has 143799 states and 191678 transitions. Word has length 68 [2019-09-08 10:34:11,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 10:34:11,944 INFO L475 AbstractCegarLoop]: Abstraction has 143799 states and 191678 transitions. [2019-09-08 10:34:11,944 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 10:34:11,944 INFO L276 IsEmpty]: Start isEmpty. Operand 143799 states and 191678 transitions. [2019-09-08 10:34:11,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-09-08 10:34:11,949 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 10:34:11,950 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-08 10:34:11,950 INFO L418 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 10:34:11,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 10:34:11,950 INFO L82 PathProgramCache]: Analyzing trace with hash 479308742, now seen corresponding path program 1 times [2019-09-08 10:34:11,950 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 10:34:11,950 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 10:34:11,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:34:11,951 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 10:34:11,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:34:11,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 10:34:11,993 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 10:34:11,993 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 10:34:11,993 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 10:34:11,994 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 10:34:11,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 10:34:11,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 10:34:11,995 INFO L87 Difference]: Start difference. First operand 143799 states and 191678 transitions. Second operand 3 states. [2019-09-08 10:34:24,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 10:34:24,393 INFO L93 Difference]: Finished difference Result 193155 states and 256246 transitions. [2019-09-08 10:34:24,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 10:34:24,393 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2019-09-08 10:34:24,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 10:34:24,586 INFO L225 Difference]: With dead ends: 193155 [2019-09-08 10:34:24,586 INFO L226 Difference]: Without dead ends: 128508 [2019-09-08 10:34:24,651 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 [2019-09-08 10:34:24,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128508 states. [2019-09-08 10:34:37,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128508 to 111767. [2019-09-08 10:34:37,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111767 states. [2019-09-08 10:34:38,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111767 states to 111767 states and 146718 transitions. [2019-09-08 10:34:38,141 INFO L78 Accepts]: Start accepts. Automaton has 111767 states and 146718 transitions. Word has length 68 [2019-09-08 10:34:38,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 10:34:38,141 INFO L475 AbstractCegarLoop]: Abstraction has 111767 states and 146718 transitions. [2019-09-08 10:34:38,141 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 10:34:38,142 INFO L276 IsEmpty]: Start isEmpty. Operand 111767 states and 146718 transitions. [2019-09-08 10:34:38,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-09-08 10:34:38,147 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 10:34:38,147 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-08 10:34:38,148 INFO L418 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 10:34:38,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 10:34:38,148 INFO L82 PathProgramCache]: Analyzing trace with hash -429505741, now seen corresponding path program 1 times [2019-09-08 10:34:38,148 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 10:34:38,148 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 10:34:38,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:34:38,149 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 10:34:38,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:34:38,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 10:34:38,232 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 10:34:38,232 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 10:34:38,232 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP 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 [2019-09-08 10:34:38,254 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 10:34:38,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 10:34:38,322 INFO L256 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-08 10:34:38,325 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 10:34:38,407 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 10:34:38,411 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 10:34:38,412 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2019-09-08 10:34:38,412 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-08 10:34:38,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-08 10:34:38,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2019-09-08 10:34:38,413 INFO L87 Difference]: Start difference. First operand 111767 states and 146718 transitions. Second operand 11 states. [2019-09-08 10:34:52,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 10:34:52,056 INFO L93 Difference]: Finished difference Result 176306 states and 230781 transitions. [2019-09-08 10:34:52,056 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-08 10:34:52,056 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 69 [2019-09-08 10:34:52,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 10:34:52,249 INFO L225 Difference]: With dead ends: 176306 [2019-09-08 10:34:52,250 INFO L226 Difference]: Without dead ends: 138268 [2019-09-08 10:34:52,297 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2019-09-08 10:34:52,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138268 states. [2019-09-08 10:35:06,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138268 to 111497. [2019-09-08 10:35:06,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111497 states. [2019-09-08 10:35:07,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111497 states to 111497 states and 145510 transitions. [2019-09-08 10:35:07,181 INFO L78 Accepts]: Start accepts. Automaton has 111497 states and 145510 transitions. Word has length 69 [2019-09-08 10:35:07,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 10:35:07,181 INFO L475 AbstractCegarLoop]: Abstraction has 111497 states and 145510 transitions. [2019-09-08 10:35:07,181 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-08 10:35:07,181 INFO L276 IsEmpty]: Start isEmpty. Operand 111497 states and 145510 transitions. [2019-09-08 10:35:07,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-09-08 10:35:07,187 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 10:35:07,187 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-08 10:35:07,187 INFO L418 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 10:35:07,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 10:35:07,188 INFO L82 PathProgramCache]: Analyzing trace with hash -76771846, now seen corresponding path program 1 times [2019-09-08 10:35:07,188 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 10:35:07,188 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 10:35:07,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:35:07,189 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 10:35:07,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:35:07,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 10:35:07,244 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-09-08 10:35:07,244 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 10:35:07,245 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 10:35:07,245 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 10:35:07,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 10:35:07,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-09-08 10:35:07,246 INFO L87 Difference]: Start difference. First operand 111497 states and 145510 transitions. Second operand 5 states. [2019-09-08 10:35:22,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 10:35:22,344 INFO L93 Difference]: Finished difference Result 186799 states and 246001 transitions. [2019-09-08 10:35:22,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 10:35:22,345 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2019-09-08 10:35:22,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 10:35:22,577 INFO L225 Difference]: With dead ends: 186799 [2019-09-08 10:35:22,577 INFO L226 Difference]: Without dead ends: 156903 [2019-09-08 10:35:22,627 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-09-08 10:35:22,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156903 states. [2019-09-08 10:35:40,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156903 to 140431. [2019-09-08 10:35:40,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140431 states. [2019-09-08 10:35:40,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140431 states to 140431 states and 183186 transitions. [2019-09-08 10:35:40,975 INFO L78 Accepts]: Start accepts. Automaton has 140431 states and 183186 transitions. Word has length 69 [2019-09-08 10:35:40,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 10:35:40,976 INFO L475 AbstractCegarLoop]: Abstraction has 140431 states and 183186 transitions. [2019-09-08 10:35:40,976 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 10:35:40,976 INFO L276 IsEmpty]: Start isEmpty. Operand 140431 states and 183186 transitions. [2019-09-08 10:35:40,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-09-08 10:35:40,981 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 10:35:40,982 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-08 10:35:40,982 INFO L418 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 10:35:40,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 10:35:40,982 INFO L82 PathProgramCache]: Analyzing trace with hash 1762268375, now seen corresponding path program 1 times [2019-09-08 10:35:40,982 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 10:35:40,982 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 10:35:40,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:35:40,983 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 10:35:40,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:35:40,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 10:35:41,042 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-09-08 10:35:41,043 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 10:35:41,043 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 10:35:41,043 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 10:35:41,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 10:35:41,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-09-08 10:35:41,044 INFO L87 Difference]: Start difference. First operand 140431 states and 183186 transitions. Second operand 5 states. [2019-09-08 10:36:00,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 10:36:00,148 INFO L93 Difference]: Finished difference Result 232327 states and 305750 transitions. [2019-09-08 10:36:00,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 10:36:00,149 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2019-09-08 10:36:00,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 10:36:00,512 INFO L225 Difference]: With dead ends: 232327 [2019-09-08 10:36:00,512 INFO L226 Difference]: Without dead ends: 185222 [2019-09-08 10:36:00,607 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-09-08 10:36:00,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185222 states. [2019-09-08 10:36:22,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185222 to 174541. [2019-09-08 10:36:22,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174541 states. [2019-09-08 10:36:22,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174541 states to 174541 states and 226968 transitions. [2019-09-08 10:36:22,934 INFO L78 Accepts]: Start accepts. Automaton has 174541 states and 226968 transitions. Word has length 70 [2019-09-08 10:36:22,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 10:36:22,934 INFO L475 AbstractCegarLoop]: Abstraction has 174541 states and 226968 transitions. [2019-09-08 10:36:22,934 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 10:36:22,934 INFO L276 IsEmpty]: Start isEmpty. Operand 174541 states and 226968 transitions. [2019-09-08 10:36:22,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-09-08 10:36:22,941 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 10:36:22,941 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-08 10:36:22,941 INFO L418 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 10:36:22,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 10:36:22,942 INFO L82 PathProgramCache]: Analyzing trace with hash -1353621055, now seen corresponding path program 1 times [2019-09-08 10:36:22,942 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 10:36:22,942 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 10:36:22,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:36:22,943 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 10:36:22,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:36:22,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 10:36:23,006 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-09-08 10:36:23,007 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 10:36:23,007 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 10:36:23,007 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 10:36:23,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 10:36:23,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-09-08 10:36:23,009 INFO L87 Difference]: Start difference. First operand 174541 states and 226968 transitions. Second operand 5 states. [2019-09-08 10:36:47,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 10:36:47,682 INFO L93 Difference]: Finished difference Result 223747 states and 292609 transitions. [2019-09-08 10:36:47,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 10:36:47,683 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2019-09-08 10:36:47,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 10:36:47,982 INFO L225 Difference]: With dead ends: 223747 [2019-09-08 10:36:47,982 INFO L226 Difference]: Without dead ends: 201143 [2019-09-08 10:36:48,028 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-09-08 10:36:48,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201143 states. [2019-09-08 10:37:07,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201143 to 190447. [2019-09-08 10:37:07,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190447 states. [2019-09-08 10:37:07,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190447 states to 190447 states and 247365 transitions. [2019-09-08 10:37:07,957 INFO L78 Accepts]: Start accepts. Automaton has 190447 states and 247365 transitions. Word has length 71 [2019-09-08 10:37:07,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 10:37:07,957 INFO L475 AbstractCegarLoop]: Abstraction has 190447 states and 247365 transitions. [2019-09-08 10:37:07,957 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 10:37:07,958 INFO L276 IsEmpty]: Start isEmpty. Operand 190447 states and 247365 transitions. [2019-09-08 10:37:07,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-09-08 10:37:07,966 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 10:37:07,966 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 10:37:07,966 INFO L418 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 10:37:07,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 10:37:07,966 INFO L82 PathProgramCache]: Analyzing trace with hash -342138422, now seen corresponding path program 1 times [2019-09-08 10:37:07,967 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 10:37:07,967 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 10:37:07,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:37:07,968 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 10:37:07,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:37:07,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 10:37:08,187 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 10:37:08,188 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 10:37:08,188 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP 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 [2019-09-08 10:37:08,215 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 10:37:08,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 10:37:08,322 INFO L256 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 22 conjunts are in the unsatisfiable core [2019-09-08 10:37:08,332 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 10:37:08,520 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 10:37:09,622 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 10:37:09,635 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 10:37:09,635 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2019-09-08 10:37:09,636 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-09-08 10:37:09,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-09-08 10:37:09,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=300, Unknown=0, NotChecked=0, Total=342 [2019-09-08 10:37:09,636 INFO L87 Difference]: Start difference. First operand 190447 states and 247365 transitions. Second operand 19 states. [2019-09-08 10:37:10,177 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 62 [2019-09-08 10:37:10,499 WARN L188 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 62 [2019-09-08 10:37:10,866 WARN L188 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 72 [2019-09-08 10:37:11,220 WARN L188 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 72 [2019-09-08 10:37:11,566 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2019-09-08 10:37:11,891 WARN L188 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 78 [2019-09-08 10:37:12,319 WARN L188 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 81 [2019-09-08 10:37:12,732 WARN L188 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2019-09-08 10:37:13,097 WARN L188 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 78 [2019-09-08 10:37:13,554 WARN L188 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 81 [2019-09-08 10:37:14,243 WARN L188 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 81 [2019-09-08 10:37:14,701 WARN L188 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 81 [2019-09-08 10:37:15,241 WARN L188 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 77 [2019-09-08 10:37:15,505 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 69 [2019-09-08 10:37:15,920 WARN L188 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 80 [2019-09-08 10:37:16,250 WARN L188 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 71 [2019-09-08 10:37:16,620 WARN L188 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 71 [2019-09-08 10:37:16,999 WARN L188 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2019-09-08 10:37:17,425 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2019-09-08 10:37:17,746 WARN L188 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 76 [2019-09-08 10:37:18,035 WARN L188 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2019-09-08 10:37:18,339 WARN L188 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 70 [2019-09-08 10:37:18,740 WARN L188 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 80 [2019-09-08 10:37:19,102 WARN L188 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 70 [2019-09-08 10:37:19,422 WARN L188 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-09-08 10:37:19,752 WARN L188 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2019-09-08 10:37:20,162 WARN L188 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 77 [2019-09-08 10:37:20,514 WARN L188 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2019-09-08 10:37:20,889 WARN L188 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 79 [2019-09-08 10:37:21,268 WARN L188 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 81 [2019-09-08 10:37:21,669 WARN L188 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 84 [2019-09-08 10:37:21,966 WARN L188 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2019-09-08 10:37:22,328 WARN L188 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2019-09-08 10:37:22,670 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 74 [2019-09-08 10:37:23,015 WARN L188 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2019-09-08 10:37:23,434 WARN L188 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2019-09-08 10:37:23,776 WARN L188 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-09-08 10:37:24,097 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 74 [2019-09-08 10:37:24,856 WARN L188 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 75 [2019-09-08 10:37:25,220 WARN L188 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 77 [2019-09-08 10:37:25,544 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 80 [2019-09-08 10:37:25,869 WARN L188 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 73 [2019-09-08 10:37:26,335 WARN L188 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 76 [2019-09-08 10:37:26,719 WARN L188 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 79 [2019-09-08 10:37:27,228 WARN L188 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 84 [2019-09-08 10:37:27,567 WARN L188 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2019-09-08 10:37:27,905 WARN L188 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 73 [2019-09-08 10:37:28,258 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2019-09-08 10:37:28,596 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 77 [2019-09-08 10:37:28,956 WARN L188 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 79 [2019-09-08 10:37:29,367 WARN L188 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 84 [2019-09-08 10:37:29,655 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-09-08 10:37:30,012 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2019-09-08 10:37:30,484 WARN L188 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 81 [2019-09-08 10:37:30,877 WARN L188 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 69 [2019-09-08 10:37:31,316 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 75 [2019-09-08 10:37:31,778 WARN L188 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 80 [2019-09-08 10:37:32,160 WARN L188 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2019-09-08 10:37:32,574 WARN L188 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 75 [2019-09-08 10:37:32,995 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 80 [2019-09-08 10:37:33,425 WARN L188 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 74 [2019-09-08 10:37:33,829 WARN L188 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 79 [2019-09-08 10:37:34,321 WARN L188 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 84 [2019-09-08 10:37:34,934 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 74 [2019-09-08 10:37:35,299 WARN L188 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2019-09-08 10:37:35,744 WARN L188 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 80 [2019-09-08 10:37:36,116 WARN L188 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 69 [2019-09-08 10:37:36,440 WARN L188 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2019-09-08 10:37:36,996 WARN L188 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 84 [2019-09-08 10:37:37,425 WARN L188 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 77 [2019-09-08 10:37:37,839 WARN L188 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 75 [2019-09-08 10:37:38,274 WARN L188 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 77 [2019-09-08 10:37:38,943 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 76 [2019-09-08 10:37:39,441 WARN L188 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 77 [2019-09-08 10:37:39,949 WARN L188 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 76 [2019-09-08 10:37:40,311 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 80 [2019-09-08 10:37:40,831 WARN L188 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 80 [2019-09-08 10:37:41,380 WARN L188 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 84 [2019-09-08 10:37:41,869 WARN L188 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2019-09-08 10:37:42,504 WARN L188 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 72 [2019-09-08 10:37:42,997 WARN L188 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 76 [2019-09-08 10:37:44,022 WARN L188 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 71 [2019-09-08 10:37:44,457 WARN L188 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 72 [2019-09-08 10:37:44,888 WARN L188 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 73 [2019-09-08 10:37:45,391 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 79 [2019-09-08 10:37:45,743 WARN L188 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 76 [2019-09-08 10:37:46,056 WARN L188 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2019-09-08 10:37:46,365 WARN L188 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 74 [2019-09-08 10:37:46,695 WARN L188 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 71 [2019-09-08 10:37:47,125 WARN L188 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 80 [2019-09-08 10:37:47,656 WARN L188 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 10:37:48,040 WARN L188 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2019-09-08 10:37:48,397 WARN L188 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 80 [2019-09-08 10:37:48,722 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 72 [2019-09-08 10:37:49,193 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 80 [2019-09-08 10:37:49,549 WARN L188 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 77 [2019-09-08 10:37:50,021 WARN L188 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2019-09-08 10:37:50,480 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 70 [2019-09-08 10:37:50,699 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-08 10:37:50,878 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2019-09-08 10:37:51,195 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2019-09-08 10:37:51,515 WARN L188 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2019-09-08 10:37:51,919 WARN L188 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 71 [2019-09-08 10:37:52,504 WARN L188 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 79 [2019-09-08 10:37:52,825 WARN L188 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2019-09-08 10:37:53,029 WARN L188 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2019-09-08 10:37:53,284 WARN L188 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2019-09-08 10:37:53,508 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 65 [2019-09-08 10:37:53,872 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 82 [2019-09-08 10:37:54,194 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 71 [2019-09-08 10:37:54,415 WARN L188 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 62 [2019-09-08 10:37:54,595 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 56 [2019-09-08 10:37:54,875 WARN L188 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-08 10:37:55,207 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 74 [2019-09-08 10:37:55,709 WARN L188 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 74 [2019-09-08 10:37:56,060 WARN L188 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-08 10:37:56,388 WARN L188 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2019-09-08 10:37:56,795 WARN L188 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2019-09-08 10:37:57,162 WARN L188 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 77 [2019-09-08 10:37:57,533 WARN L188 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 80 [2019-09-08 10:37:57,938 WARN L188 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 86 [2019-09-08 10:37:58,277 WARN L188 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2019-09-08 10:37:58,662 WARN L188 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 83 [2019-09-08 10:37:59,007 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 75 [2019-09-08 10:38:00,148 WARN L188 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 81 [2019-09-08 10:38:00,490 WARN L188 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 74 [2019-09-08 10:38:00,849 WARN L188 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 77 [2019-09-08 10:38:01,268 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2019-09-08 10:38:01,596 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2019-09-08 10:38:01,869 WARN L188 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 63 [2019-09-08 10:38:02,142 WARN L188 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2019-09-08 10:38:02,501 WARN L188 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 71 [2019-09-08 10:38:02,826 WARN L188 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 74 [2019-09-08 10:38:03,429 WARN L188 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 10:38:03,685 WARN L188 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2019-09-08 10:38:03,891 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2019-09-08 10:38:04,227 WARN L188 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 78 [2019-09-08 10:38:04,637 WARN L188 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 78 [2019-09-08 10:38:05,027 WARN L188 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 78 [2019-09-08 10:38:05,387 WARN L188 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 76 [2019-09-08 10:38:05,735 WARN L188 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 10:38:06,026 WARN L188 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 76 [2019-09-08 10:38:06,241 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2019-09-08 10:38:06,605 WARN L188 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 81 [2019-09-08 10:38:06,914 WARN L188 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 74 [2019-09-08 10:38:07,289 WARN L188 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 79 [2019-09-08 10:38:07,544 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 65 [2019-09-08 10:38:07,742 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 59 [2019-09-08 10:38:08,075 WARN L188 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-08 10:38:08,296 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-08 10:38:08,597 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-08 10:38:08,930 WARN L188 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2019-09-08 10:38:09,324 WARN L188 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 76 [2019-09-08 10:38:09,726 WARN L188 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 73 [2019-09-08 10:38:10,309 WARN L188 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 79 [2019-09-08 10:38:10,612 WARN L188 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 10:38:10,874 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 71 [2019-09-08 10:38:11,113 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 65 [2019-09-08 10:38:11,480 WARN L188 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 75 [2019-09-08 10:38:11,875 WARN L188 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 78 [2019-09-08 10:38:12,259 WARN L188 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 73 [2019-09-08 10:38:12,695 WARN L188 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 82 [2019-09-08 10:38:13,017 WARN L188 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 10:38:13,353 WARN L188 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 74 [2019-09-08 10:38:13,759 WARN L188 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 81 [2019-09-08 10:38:14,068 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2019-09-08 10:38:14,458 WARN L188 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 71 [2019-09-08 10:38:14,976 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 67 [2019-09-08 10:38:15,395 WARN L188 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 74 [2019-09-08 10:38:15,815 WARN L188 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 68 [2019-09-08 10:38:16,076 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 62 [2019-09-08 10:38:16,477 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 75 [2019-09-08 10:38:17,012 WARN L188 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 87 [2019-09-08 10:38:17,247 WARN L188 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2019-09-08 10:38:17,463 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2019-09-08 10:38:17,844 WARN L188 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 77 [2019-09-08 10:38:18,783 WARN L188 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 80 [2019-09-08 10:38:19,265 WARN L188 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 83 [2019-09-08 10:38:19,707 WARN L188 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 77 [2019-09-08 10:38:20,142 WARN L188 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2019-09-08 10:38:20,456 WARN L188 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-08 10:38:20,657 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2019-09-08 10:38:20,949 WARN L188 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 72 [2019-09-08 10:38:21,202 WARN L188 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 66 [2019-09-08 10:38:21,512 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 10:38:21,793 WARN L188 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 72 [2019-09-08 10:38:22,047 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 66 [2019-09-08 10:38:22,469 WARN L188 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 83 [2019-09-08 10:38:22,891 WARN L188 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 82 [2019-09-08 10:38:23,190 WARN L188 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-08 10:38:23,410 WARN L188 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2019-09-08 10:38:23,705 WARN L188 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 75 [2019-09-08 10:38:23,956 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 69 [2019-09-08 10:38:24,307 WARN L188 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-09-08 10:38:24,670 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2019-09-08 10:38:25,031 WARN L188 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-08 10:38:25,273 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2019-09-08 10:38:25,710 WARN L188 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 66 [2019-09-08 10:38:26,140 WARN L188 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 77 [2019-09-08 10:38:26,474 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2019-09-08 10:38:26,883 WARN L188 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2019-09-08 10:38:27,273 WARN L188 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 70 [2019-09-08 10:38:27,747 WARN L188 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 77 [2019-09-08 10:38:28,036 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2019-09-08 10:38:28,253 WARN L188 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2019-09-08 10:38:28,473 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-08 10:38:28,669 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2019-09-08 10:38:29,042 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 82 [2019-09-08 10:38:29,300 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 69 [2019-09-08 10:38:29,575 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 64 [2019-09-08 10:38:29,887 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 72 [2019-09-08 10:38:30,282 WARN L188 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 80 [2019-09-08 10:38:30,629 WARN L188 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 76 [2019-09-08 10:38:30,869 WARN L188 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2019-09-08 10:38:31,110 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-08 10:38:31,315 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2019-09-08 10:38:31,741 WARN L188 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 85 [2019-09-08 10:38:32,130 WARN L188 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2019-09-08 10:38:32,452 WARN L188 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2019-09-08 10:38:32,681 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2019-09-08 10:38:32,882 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2019-09-08 10:38:33,252 WARN L188 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2019-09-08 10:38:34,357 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 81 [2019-09-08 10:38:34,774 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 80 [2019-09-08 10:38:35,079 WARN L188 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 69 [2019-09-08 10:38:35,479 WARN L188 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 79 [2019-09-08 10:38:35,897 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 78 [2019-09-08 10:38:36,543 WARN L188 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 76 [2019-09-08 10:38:37,007 WARN L188 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 73 [2019-09-08 10:38:37,452 WARN L188 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 81 [2019-09-08 10:38:37,892 WARN L188 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-08 10:38:38,098 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2019-09-08 10:38:38,476 WARN L188 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 78 [2019-09-08 10:38:38,964 WARN L188 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 76 [2019-09-08 10:38:39,305 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 10:38:39,537 WARN L188 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-08 10:38:40,304 WARN L188 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 87 [2019-09-08 10:38:40,634 WARN L188 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 70 [2019-09-08 10:38:41,055 WARN L188 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 71 [2019-09-08 10:38:41,345 WARN L188 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 65 [2019-09-08 10:38:41,693 WARN L188 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 76 [2019-09-08 10:38:41,947 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2019-09-08 10:38:42,524 WARN L188 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 79 [2019-09-08 10:38:42,800 WARN L188 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2019-09-08 10:38:43,111 WARN L188 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 69 [2019-09-08 10:38:43,340 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2019-09-08 10:38:43,991 WARN L188 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 83 [2019-09-08 10:38:44,441 WARN L188 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 82 [2019-09-08 10:38:45,025 WARN L188 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 75 [2019-09-08 10:38:45,292 WARN L188 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 69 [2019-09-08 10:38:45,642 WARN L188 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 74 [2019-09-08 10:38:45,979 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 68 [2019-09-08 10:38:47,069 WARN L188 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 79 [2019-09-08 10:38:47,567 WARN L188 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 80 [2019-09-08 10:38:48,104 WARN L188 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2019-09-08 10:38:48,463 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 74 [2019-09-08 10:38:48,897 WARN L188 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 72 [2019-09-08 10:38:49,150 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 66 [2019-09-08 10:38:49,817 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 74 [2019-09-08 10:38:50,682 WARN L188 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2019-09-08 10:38:50,926 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2019-09-08 10:38:51,195 WARN L188 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-08 10:38:51,399 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-09-08 10:38:51,938 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 79 [2019-09-08 10:38:52,339 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 78 [2019-09-08 10:38:52,879 WARN L188 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 76 [2019-09-08 10:38:53,498 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 71 [2019-09-08 10:38:53,734 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 65 [2019-09-08 10:38:54,156 WARN L188 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 77 [2019-09-08 10:38:54,375 WARN L188 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 71 [2019-09-08 10:38:54,626 WARN L188 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2019-09-08 10:38:54,861 WARN L188 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2019-09-08 10:38:55,123 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 63 [2019-09-08 10:38:55,348 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 57 [2019-09-08 10:38:56,220 WARN L188 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2019-09-08 10:38:56,662 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-08 10:38:57,223 WARN L188 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 10:38:57,834 WARN L188 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2019-09-08 10:38:58,265 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2019-09-08 10:38:58,716 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 69 [2019-09-08 10:38:58,977 WARN L188 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 63 [2019-09-08 10:38:59,823 WARN L188 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 64 [2019-09-08 10:39:00,025 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 58 [2019-09-08 10:39:00,287 WARN L188 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2019-09-08 10:39:01,736 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 61 [2019-09-08 10:39:02,114 WARN L188 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 70 [2019-09-08 10:39:02,371 WARN L188 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 64 [2019-09-08 10:39:02,682 WARN L188 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 72 [2019-09-08 10:39:02,944 WARN L188 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 66 [2019-09-08 10:39:03,727 WARN L188 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 67 [2019-09-08 10:39:04,462 WARN L188 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 72 [2019-09-08 10:39:04,690 WARN L188 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 70 [2019-09-08 10:39:04,932 WARN L188 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 63 [2019-09-08 10:39:05,140 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-09-08 10:39:05,799 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 69 [2019-09-08 10:39:06,030 WARN L188 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 67 [2019-09-08 10:39:06,313 WARN L188 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 73 [2019-09-08 10:39:06,590 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 67 [2019-09-08 10:39:06,972 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 75 [2019-09-08 10:39:07,685 WARN L188 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2019-09-08 10:39:07,959 WARN L188 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 72 [2019-09-08 10:39:08,200 WARN L188 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 70 [2019-09-08 10:39:08,451 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 61 [2019-09-08 10:39:08,667 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 59 [2019-09-08 10:39:09,409 WARN L188 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-09-08 10:39:09,744 WARN L188 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-09-08 10:39:10,232 WARN L188 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2019-09-08 10:39:10,812 WARN L188 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-09-08 10:39:11,337 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 67 [2019-09-08 10:39:11,603 WARN L188 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 65 [2019-09-08 10:39:11,915 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 64 [2019-09-08 10:39:12,167 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 71 [2019-09-08 10:39:12,331 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2019-09-08 10:39:12,565 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 69 [2019-09-08 10:39:12,772 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-09-08 10:39:12,992 WARN L188 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-09-08 10:39:13,241 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 62 [2019-09-08 10:39:13,466 WARN L188 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2019-09-08 10:39:14,097 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 57 [2019-09-08 10:39:14,485 WARN L188 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-08 10:39:14,836 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 61 [2019-09-08 10:39:14,998 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 55 [2019-09-08 10:39:16,003 WARN L188 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 79 [2019-09-08 10:39:16,264 WARN L188 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 67 [2019-09-08 10:39:16,546 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 74 [2019-09-08 10:39:16,806 WARN L188 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2019-09-08 10:39:17,034 WARN L188 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-09-08 10:39:17,198 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 61 [2019-09-08 10:39:17,425 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 72 [2019-09-08 10:39:17,651 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2019-09-08 10:39:17,888 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-09-08 10:39:18,079 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 64 [2019-09-08 10:39:18,242 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2019-09-08 10:39:18,501 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-08 10:39:18,709 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-08 10:39:18,897 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2019-09-08 10:39:19,137 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 64 [2019-09-08 10:39:19,378 WARN L188 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 62 [2019-09-08 10:39:20,070 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2019-09-08 10:39:20,537 WARN L188 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2019-09-08 10:39:20,794 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2019-09-08 10:39:21,107 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 68 [2019-09-08 10:39:21,376 WARN L188 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 66 [2019-09-08 10:39:21,664 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-09-08 10:39:21,885 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2019-09-08 10:39:22,133 WARN L188 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 76 [2019-09-08 10:39:22,370 WARN L188 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 69 [2019-09-08 10:39:22,627 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 10:39:22,859 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2019-09-08 10:39:23,102 WARN L188 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2019-09-08 10:39:23,327 WARN L188 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2019-09-08 10:39:23,546 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-08 10:39:23,815 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2019-09-08 10:39:24,006 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2019-09-08 10:39:24,424 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 76 [2019-09-08 10:39:24,742 WARN L188 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 65 [2019-09-08 10:39:26,130 WARN L188 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2019-09-08 10:39:26,405 WARN L188 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 64 [2019-09-08 10:39:26,708 WARN L188 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 70 [2019-09-08 10:39:26,915 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 59 [2019-09-08 10:39:27,190 WARN L188 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 68 [2019-09-08 10:39:27,406 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 53 [2019-09-08 10:39:27,759 WARN L188 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-08 10:39:28,020 WARN L188 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 10:39:28,205 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 63 [2019-09-08 10:39:28,450 WARN L188 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 67 [2019-09-08 10:39:28,698 WARN L188 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 69 [2019-09-08 10:39:28,935 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-08 10:39:29,216 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-08 10:39:29,389 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2019-09-08 10:39:29,617 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 65 [2019-09-08 10:39:29,816 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2019-09-08 10:39:30,083 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2019-09-08 10:39:30,242 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2019-09-08 10:39:30,442 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2019-09-08 10:39:31,039 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 65 [2019-09-08 10:39:31,291 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 63 [2019-09-08 10:39:31,705 WARN L188 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 63 [2019-09-08 10:39:32,178 WARN L188 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 58 [2019-09-08 10:39:32,802 WARN L188 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 69 [2019-09-08 10:39:33,060 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2019-09-08 10:39:33,282 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-09-08 10:39:33,498 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-09-08 10:39:33,814 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2019-09-08 10:39:34,076 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 62 [2019-09-08 10:39:34,630 WARN L188 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 82 [2019-09-08 10:39:34,874 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2019-09-08 10:39:35,116 WARN L188 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2019-09-08 10:39:35,360 WARN L188 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-09-08 10:39:35,622 WARN L188 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 10:39:35,790 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-09-08 10:39:36,065 WARN L188 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 75 [2019-09-08 10:39:36,255 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2019-09-08 10:39:36,486 WARN L188 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 68 [2019-09-08 10:39:36,708 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2019-09-08 10:39:36,924 WARN L188 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-08 10:39:37,803 WARN L188 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2019-09-08 10:39:38,033 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 69 [2019-09-08 10:39:38,276 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2019-09-08 10:39:38,510 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 61 [2019-09-08 10:39:38,717 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 59 [2019-09-08 10:39:39,012 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2019-09-08 10:39:39,569 WARN L188 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2019-09-08 10:39:39,913 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-08 10:39:40,186 WARN L188 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 61 [2019-09-08 10:39:40,757 WARN L188 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2019-09-08 10:39:41,116 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 10:39:41,368 WARN L188 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 72 [2019-09-08 10:39:41,575 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-08 10:39:41,827 WARN L188 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 70 [2019-09-08 10:39:42,148 WARN L188 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 71 [2019-09-08 10:39:42,418 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 66 [2019-09-08 10:39:42,621 WARN L188 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2019-09-08 10:39:42,878 WARN L188 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 69 [2019-09-08 10:39:43,177 WARN L188 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 60 [2019-09-08 10:39:43,736 WARN L188 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 71 [2019-09-08 10:39:43,932 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 60 [2019-09-08 10:39:44,240 WARN L188 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 69 [2019-09-08 10:39:44,441 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 54 [2019-09-08 10:39:44,758 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-09-08 10:39:44,963 WARN L188 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-09-08 10:39:45,245 WARN L188 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 72 [2019-09-08 10:39:45,494 WARN L188 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-08 10:39:45,661 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-09-08 10:39:45,957 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2019-09-08 10:39:46,216 WARN L188 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 77 [2019-09-08 10:39:46,428 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2019-09-08 10:39:46,688 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 66 [2019-09-08 10:39:46,909 WARN L188 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 10:39:47,355 WARN L188 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 76 [2019-09-08 10:39:47,592 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 71 [2019-09-08 10:39:47,854 WARN L188 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 10:39:48,142 WARN L188 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 75 [2019-09-08 10:39:48,384 WARN L188 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-08 10:39:49,136 WARN L188 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2019-09-08 10:39:49,393 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 63 [2019-09-08 10:39:49,627 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 57 [2019-09-08 10:39:50,296 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 65 [2019-09-08 10:39:50,534 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 63 [2019-09-08 10:39:51,233 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-08 10:39:51,472 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-08 10:39:51,916 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 71 [2019-09-08 10:39:52,354 WARN L188 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2019-09-08 10:39:52,605 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2019-09-08 10:39:52,900 WARN L188 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 67 [2019-09-08 10:39:53,185 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 65 [2019-09-08 10:39:53,511 WARN L188 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2019-09-08 10:39:53,819 WARN L188 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2019-09-08 10:39:54,056 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 62 [2019-09-08 10:39:54,637 WARN L188 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-08 10:39:54,941 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2019-09-08 10:39:55,135 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 59 [2019-09-08 10:39:55,285 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-09-08 10:39:55,574 WARN L188 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2019-09-08 10:39:56,198 WARN L188 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 77 [2019-09-08 10:39:56,458 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 71 [2019-09-08 10:39:56,910 WARN L188 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 67 [2019-09-08 10:39:57,144 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 61 [2019-09-08 10:39:57,320 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2019-09-08 10:39:58,230 WARN L188 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 64 [2019-09-08 10:39:58,569 WARN L188 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 66 [2019-09-08 10:39:59,210 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2019-09-08 10:39:59,417 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2019-09-08 10:40:00,344 WARN L188 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 69 [2019-09-08 10:40:00,619 WARN L188 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 67 [2019-09-08 10:40:00,892 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2019-09-08 10:40:01,131 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 65 [2019-09-08 10:40:01,286 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-09-08 10:40:01,609 WARN L188 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 69 [2019-09-08 10:40:01,897 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 63 [2019-09-08 10:40:02,179 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 56 [2019-09-08 10:40:02,719 WARN L188 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 71 [2019-09-08 10:40:02,992 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 69 [2019-09-08 10:40:03,384 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 62 [2019-09-08 10:40:03,561 WARN L188 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-09-08 10:40:03,759 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 67 [2019-09-08 10:40:04,103 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-09-08 10:40:04,261 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 61 [2019-09-08 10:40:04,430 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-09-08 10:40:04,758 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2019-09-08 10:40:04,994 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 64 [2019-09-08 10:40:05,216 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 62 [2019-09-08 10:40:05,801 WARN L188 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 64 [2019-09-08 10:40:06,794 WARN L188 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 57 [2019-09-08 10:40:07,193 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-08 10:40:07,616 WARN L188 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-08 10:40:07,877 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 64 [2019-09-08 10:40:08,420 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 64 [2019-09-08 10:40:08,597 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2019-09-08 10:40:08,910 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 63 [2019-09-08 10:40:09,353 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 63 [2019-09-08 10:40:09,642 WARN L188 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 73 [2019-09-08 10:40:09,841 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 57 [2019-09-08 10:40:10,149 WARN L188 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 67 [2019-09-08 10:40:10,701 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 70 [2019-09-08 10:40:10,899 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 64 [2019-09-08 10:40:11,107 WARN L188 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 67 [2019-09-08 10:40:11,292 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 61 [2019-09-08 10:40:11,563 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2019-09-08 10:40:11,916 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2019-09-08 10:40:12,172 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2019-09-08 10:40:12,428 WARN L188 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 66 [2019-09-08 10:40:17,216 WARN L188 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2019-09-08 10:40:17,472 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 61 [2019-09-08 10:40:17,960 WARN L188 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-08 10:40:18,389 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2019-09-08 10:40:18,868 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 70 [2019-09-08 10:40:19,090 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 59 [2019-09-08 10:40:19,363 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 68 [2019-09-08 10:40:20,436 WARN L188 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 70 [2019-09-08 10:40:20,946 WARN L188 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 67 [2019-09-08 10:40:21,223 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 60 [2019-09-08 10:40:21,813 WARN L188 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 64 [2019-09-08 10:40:22,232 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2019-09-08 10:40:22,463 WARN L188 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-08 10:40:22,883 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 59 [2019-09-08 10:40:23,453 WARN L188 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 72 [2019-09-08 10:40:23,743 WARN L188 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 66 [2019-09-08 10:40:24,341 WARN L188 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 74 [2019-09-08 10:40:24,550 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 63 [2019-09-08 10:40:24,861 WARN L188 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 72 [2019-09-08 10:40:25,093 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 57 [2019-09-08 10:40:25,592 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2019-09-08 10:40:26,128 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 63 [2019-09-08 10:40:26,398 WARN L188 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2019-09-08 10:40:26,724 WARN L188 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2019-09-08 10:40:27,445 WARN L188 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-08 10:40:28,272 WARN L188 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 76 [2019-09-08 10:40:28,571 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 70 [2019-09-08 10:40:29,539 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2019-09-08 10:40:30,093 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 67 [2019-09-08 10:40:30,791 WARN L188 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2019-09-08 10:40:31,125 WARN L188 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-08 10:40:31,618 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 62 [2019-09-08 10:40:33,037 WARN L188 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2019-09-08 10:40:33,514 WARN L188 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 71 [2019-09-08 10:40:34,385 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 66 [2019-09-08 10:40:34,654 WARN L188 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 10:40:34,982 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 71 [2019-09-08 10:40:35,748 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 66 [2019-09-08 10:40:35,959 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 60 [2019-09-08 10:40:36,332 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 49 [2019-09-08 10:40:37,195 WARN L188 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 66 [2019-09-08 10:40:38,375 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2019-09-08 10:40:38,759 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 52 [2019-09-08 10:40:38,965 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 46 [2019-09-08 10:40:39,608 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 53 [2019-09-08 10:40:40,748 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 70 [2019-09-08 10:40:41,895 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-09-08 10:40:42,101 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 56 [2019-09-08 10:40:42,464 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 50 [2019-09-08 10:40:44,518 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2019-09-08 10:40:49,107 WARN L188 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 68 [2019-09-08 10:40:49,423 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2019-09-08 10:40:51,019 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 64 [2019-09-08 10:40:53,310 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-08 10:40:53,582 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2019-09-08 10:40:54,783 WARN L188 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2019-09-08 10:40:55,157 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 73 [2019-09-08 10:40:55,516 WARN L188 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2019-09-08 10:40:56,684 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-08 10:40:57,731 WARN L188 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 77 [2019-09-08 10:40:58,120 WARN L188 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 75 [2019-09-08 10:40:58,715 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2019-09-08 10:40:59,190 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2019-09-08 10:40:59,496 WARN L188 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 71 [2019-09-08 10:40:59,727 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-09-08 10:41:00,024 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2019-09-08 10:41:00,949 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2019-09-08 10:41:02,104 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 50 [2019-09-08 10:41:02,357 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 48 [2019-09-08 10:41:02,973 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 51 [2019-09-08 10:41:03,311 WARN L188 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 71 [2019-09-08 10:41:03,521 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 49 [2019-09-08 10:41:03,820 WARN L188 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2019-09-08 10:41:04,201 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-08 10:41:04,512 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2019-09-08 10:41:04,908 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2019-09-08 10:41:06,884 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2019-09-08 10:41:07,121 WARN L188 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 54 [2019-09-08 10:41:07,442 WARN L188 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 74 [2019-09-08 10:41:07,801 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 52 [2019-09-08 10:41:08,442 WARN L188 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 65 [2019-09-08 10:41:08,760 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 63 [2019-09-08 10:41:09,151 WARN L188 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 68 [2019-09-08 10:41:09,452 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 71 [2019-09-08 10:41:09,762 WARN L188 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2019-09-08 10:41:10,667 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2019-09-08 10:41:10,964 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 64 [2019-09-08 10:41:11,205 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-08 10:41:11,934 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2019-09-08 10:41:12,206 WARN L188 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2019-09-08 10:41:12,424 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2019-09-08 10:41:13,033 WARN L188 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2019-09-08 10:41:13,707 WARN L188 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 66 [2019-09-08 10:41:13,978 WARN L188 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2019-09-08 10:41:14,391 WARN L188 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 61 [2019-09-08 10:41:14,653 WARN L188 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 61 [2019-09-08 10:41:15,111 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 62 [2019-09-08 10:41:16,386 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-09-08 10:41:17,431 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2019-09-08 10:41:17,673 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2019-09-08 10:41:18,499 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 69 [2019-09-08 10:41:18,767 WARN L188 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2019-09-08 10:41:19,223 WARN L188 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2019-09-08 10:41:19,498 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 64 [2019-09-08 10:41:20,122 WARN L188 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 64 [2019-09-08 10:41:20,591 WARN L188 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 73 [2019-09-08 10:41:21,641 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-08 10:41:21,894 WARN L188 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-08 10:41:22,310 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 68 [2019-09-08 10:41:23,292 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-08 10:41:25,497 WARN L188 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 77 [2019-09-08 10:41:25,692 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2019-09-08 10:41:26,047 WARN L188 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 75 [2019-09-08 10:41:26,356 WARN L188 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 62 [2019-09-08 10:41:26,622 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-09-08 10:41:27,158 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 43 [2019-09-08 10:41:28,611 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2019-09-08 10:41:28,924 WARN L188 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-09-08 10:41:30,321 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 74 [2019-09-08 10:41:30,645 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-08 10:41:31,052 WARN L188 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-08 10:41:31,274 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2019-09-08 10:41:31,518 WARN L188 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-08 10:41:33,295 WARN L188 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2019-09-08 10:41:33,550 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2019-09-08 10:41:35,327 WARN L188 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 70 [2019-09-08 10:41:36,059 WARN L188 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2019-09-08 10:41:36,418 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2019-09-08 10:41:36,671 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-08 10:41:37,098 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 46 [2019-09-08 10:41:37,492 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2019-09-08 10:41:37,731 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 54 [2019-09-08 10:41:38,023 WARN L188 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 64 [2019-09-08 10:41:38,504 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-08 10:41:38,753 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-08 10:41:39,901 WARN L188 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 69 [2019-09-08 10:41:40,181 WARN L188 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2019-09-08 10:41:40,502 WARN L188 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 64 [2019-09-08 10:41:40,786 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 64 [2019-09-08 10:41:41,771 WARN L188 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 61 [2019-09-08 10:41:42,633 WARN L188 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2019-09-08 10:41:42,951 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-08 10:41:43,246 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2019-09-08 10:41:43,474 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 50 [2019-09-08 10:41:43,885 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-08 10:41:44,089 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2019-09-08 10:41:44,412 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2019-09-08 10:41:45,500 WARN L188 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 80 [2019-09-08 10:41:45,895 WARN L188 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 78 [2019-09-08 10:41:46,394 WARN L188 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2019-09-08 10:41:46,683 WARN L188 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2019-09-08 10:41:48,384 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-08 10:41:49,139 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2019-09-08 10:41:49,566 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 73 [2019-09-08 10:41:50,029 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-08 10:41:50,705 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-09-08 10:41:53,420 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 64 [2019-09-08 10:41:54,144 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 76 [2019-09-08 10:41:57,212 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 71 [2019-09-08 10:41:57,594 WARN L188 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 69 [2019-09-08 10:41:58,191 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2019-09-08 10:41:59,645 WARN L188 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 73 [2019-09-08 10:42:01,246 WARN L188 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 72 [2019-09-08 10:42:01,563 WARN L188 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2019-09-08 10:42:01,879 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 67 [2019-09-08 10:42:02,217 WARN L188 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2019-09-08 10:42:03,831 WARN L188 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 64 [2019-09-08 10:42:06,157 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2019-09-08 10:42:08,127 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 63 [2019-09-08 10:42:09,285 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2019-09-08 10:42:09,664 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 76 [2019-09-08 10:42:10,586 WARN L188 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 76 [2019-09-08 10:42:13,185 WARN L188 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2019-09-08 10:42:22,768 WARN L188 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 79 [2019-09-08 10:42:23,251 WARN L188 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 67 [2019-09-08 10:42:23,573 WARN L188 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-08 10:42:25,307 WARN L188 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 70 [2019-09-08 10:42:25,644 WARN L188 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 10:42:27,708 WARN L188 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 63 [2019-09-08 10:42:29,850 WARN L188 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 66 [2019-09-08 10:42:31,730 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 73 [2019-09-08 10:42:32,241 WARN L188 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 71 [2019-09-08 10:42:35,013 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-09-08 10:42:35,237 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2019-09-08 10:42:37,434 WARN L188 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 69 [2019-09-08 10:42:37,991 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-08 10:42:38,218 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-09-08 10:42:39,279 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 63 [2019-09-08 10:42:40,423 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 76 [2019-09-08 10:42:41,026 WARN L188 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2019-09-08 10:42:42,608 WARN L188 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 66 [2019-09-08 10:42:46,199 WARN L188 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 65 [2019-09-08 10:42:46,489 WARN L188 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 59 [2019-09-08 10:42:46,817 WARN L188 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 72 [2019-09-08 10:42:55,345 WARN L188 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 69 [2019-09-08 10:42:57,174 WARN L188 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2019-09-08 10:42:57,439 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 62 [2019-09-08 10:43:06,244 WARN L188 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 72 [2019-09-08 10:43:28,684 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2019-09-08 10:43:29,180 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2019-09-08 10:43:32,943 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2019-09-08 10:43:33,198 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2019-09-08 10:43:55,416 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 44 [2019-09-08 10:43:58,510 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2019-09-08 10:43:58,762 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-09-08 10:44:11,015 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2019-09-08 10:44:13,877 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43