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.3.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 10:17:50,379 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 10:17:50,381 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 10:17:50,393 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 10:17:50,393 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 10:17:50,394 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 10:17:50,395 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 10:17:50,397 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 10:17:50,399 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 10:17:50,399 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 10:17:50,400 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 10:17:50,402 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 10:17:50,402 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 10:17:50,403 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 10:17:50,404 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 10:17:50,405 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 10:17:50,406 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 10:17:50,407 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 10:17:50,408 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 10:17:50,410 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 10:17:50,412 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 10:17:50,413 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 10:17:50,414 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 10:17:50,414 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 10:17:50,416 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 10:17:50,417 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 10:17:50,417 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 10:17:50,418 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 10:17:50,418 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 10:17:50,419 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 10:17:50,419 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 10:17:50,420 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 10:17:50,421 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 10:17:50,422 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 10:17:50,423 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 10:17:50,423 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 10:17:50,424 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 10:17:50,424 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 10:17:50,424 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 10:17:50,425 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 10:17:50,426 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 10:17:50,427 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 10:17:50,441 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 10:17:50,442 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 10:17:50,443 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 10:17:50,443 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 10:17:50,443 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 10:17:50,443 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 10:17:50,444 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 10:17:50,444 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 10:17:50,444 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 10:17:50,444 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 10:17:50,444 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 10:17:50,445 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 10:17:50,445 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 10:17:50,445 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 10:17:50,445 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 10:17:50,445 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 10:17:50,446 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 10:17:50,446 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 10:17:50,446 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 10:17:50,446 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 10:17:50,446 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 10:17:50,447 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 10:17:50,447 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 10:17:50,447 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 10:17:50,447 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 10:17:50,448 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 10:17:50,448 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 10:17:50,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 10:17:50,448 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 10:17:50,476 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 10:17:50,489 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 10:17:50,492 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 10:17:50,494 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 10:17:50,494 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 10:17:50,495 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2019-09-08 10:17:50,569 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1576c0515/637f223ee728464b968eb95192c8c3f0/FLAG62c52ffc1 [2019-09-08 10:17:51,039 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 10:17:51,041 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2019-09-08 10:17:51,050 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1576c0515/637f223ee728464b968eb95192c8c3f0/FLAG62c52ffc1 [2019-09-08 10:17:51,387 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1576c0515/637f223ee728464b968eb95192c8c3f0 [2019-09-08 10:17:51,399 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 10:17:51,401 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 10:17:51,404 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 10:17:51,405 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 10:17:51,408 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 10:17:51,409 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 10:17:51" (1/1) ... [2019-09-08 10:17:51,412 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fd83e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:17:51, skipping insertion in model container [2019-09-08 10:17:51,412 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 10:17:51" (1/1) ... [2019-09-08 10:17:51,419 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 10:17:51,477 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 10:17:51,742 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 10:17:51,758 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 10:17:51,922 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 10:17:51,941 INFO L192 MainTranslator]: Completed translation [2019-09-08 10:17:51,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:17:51 WrapperNode [2019-09-08 10:17:51,942 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 10:17:51,942 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 10:17:51,943 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 10:17:51,943 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 10:17:51,955 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:17:51" (1/1) ... [2019-09-08 10:17:51,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:17:51" (1/1) ... [2019-09-08 10:17:51,964 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:17:51" (1/1) ... [2019-09-08 10:17:51,965 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:17:51" (1/1) ... [2019-09-08 10:17:51,975 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:17:51" (1/1) ... [2019-09-08 10:17:51,982 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:17:51" (1/1) ... [2019-09-08 10:17:51,984 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:17:51" (1/1) ... [2019-09-08 10:17:51,988 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 10:17:51,988 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 10:17:51,989 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 10:17:51,989 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 10:17:51,990 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:17:51" (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 10:17:52,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 10:17:52,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 10:17:52,037 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 10:17:52,038 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 10:17:52,038 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-08 10:17:52,038 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-08 10:17:52,038 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-08 10:17:52,038 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-08 10:17:52,039 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-08 10:17:52,039 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-08 10:17:52,040 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-08 10:17:52,040 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-08 10:17:52,040 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-08 10:17:52,040 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-08 10:17:52,040 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-08 10:17:52,041 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-08 10:17:52,041 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 10:17:52,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 10:17:52,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 10:17:52,650 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 10:17:52,650 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-08 10:17:52,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 10:17:52 BoogieIcfgContainer [2019-09-08 10:17:52,652 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 10:17:52,653 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 10:17:52,653 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 10:17:52,656 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 10:17:52,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 10:17:51" (1/3) ... [2019-09-08 10:17:52,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54c4664c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 10:17:52, skipping insertion in model container [2019-09-08 10:17:52,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:17:51" (2/3) ... [2019-09-08 10:17:52,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54c4664c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 10:17:52, skipping insertion in model container [2019-09-08 10:17:52,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 10:17:52" (3/3) ... [2019-09-08 10:17:52,659 INFO L109 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2019-09-08 10:17:52,669 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 10:17:52,678 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 10:17:52,693 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 10:17:52,724 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 10:17:52,725 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 10:17:52,725 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 10:17:52,725 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 10:17:52,726 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 10:17:52,726 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 10:17:52,726 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 10:17:52,726 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 10:17:52,727 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 10:17:52,745 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states. [2019-09-08 10:17:52,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-09-08 10:17:52,753 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 10:17:52,754 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 10:17:52,755 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 10:17:52,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 10:17:52,760 INFO L82 PathProgramCache]: Analyzing trace with hash 365919119, now seen corresponding path program 1 times [2019-09-08 10:17:52,761 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 10:17:52,761 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 10:17:52,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:17:52,820 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 10:17:52,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:17:52,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 10:17:53,115 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 10:17:53,118 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 10:17:53,118 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 10:17:53,123 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 10:17:53,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 10:17:53,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 10:17:53,140 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 3 states. [2019-09-08 10:17:53,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 10:17:53,230 INFO L93 Difference]: Finished difference Result 212 states and 331 transitions. [2019-09-08 10:17:53,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 10:17:53,232 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2019-09-08 10:17:53,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 10:17:53,248 INFO L225 Difference]: With dead ends: 212 [2019-09-08 10:17:53,248 INFO L226 Difference]: Without dead ends: 136 [2019-09-08 10:17:53,252 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 10:17:53,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2019-09-08 10:17:53,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 134. [2019-09-08 10:17:53,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-09-08 10:17:53,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 198 transitions. [2019-09-08 10:17:53,309 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 198 transitions. Word has length 42 [2019-09-08 10:17:53,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 10:17:53,310 INFO L475 AbstractCegarLoop]: Abstraction has 134 states and 198 transitions. [2019-09-08 10:17:53,310 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 10:17:53,310 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 198 transitions. [2019-09-08 10:17:53,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-09-08 10:17:53,312 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 10:17:53,312 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 10:17:53,313 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 10:17:53,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 10:17:53,313 INFO L82 PathProgramCache]: Analyzing trace with hash -79929744, now seen corresponding path program 1 times [2019-09-08 10:17:53,314 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 10:17:53,314 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 10:17:53,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:17:53,316 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 10:17:53,316 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:17:53,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 10:17:53,430 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 10:17:53,431 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 10:17:53,431 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 10:17:53,433 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 10:17:53,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 10:17:53,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 10:17:53,433 INFO L87 Difference]: Start difference. First operand 134 states and 198 transitions. Second operand 3 states. [2019-09-08 10:17:53,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 10:17:53,505 INFO L93 Difference]: Finished difference Result 322 states and 494 transitions. [2019-09-08 10:17:53,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 10:17:53,506 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-09-08 10:17:53,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 10:17:53,509 INFO L225 Difference]: With dead ends: 322 [2019-09-08 10:17:53,509 INFO L226 Difference]: Without dead ends: 212 [2019-09-08 10:17:53,511 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 10:17:53,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2019-09-08 10:17:53,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 210. [2019-09-08 10:17:53,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2019-09-08 10:17:53,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 317 transitions. [2019-09-08 10:17:53,541 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 317 transitions. Word has length 43 [2019-09-08 10:17:53,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 10:17:53,542 INFO L475 AbstractCegarLoop]: Abstraction has 210 states and 317 transitions. [2019-09-08 10:17:53,542 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 10:17:53,542 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 317 transitions. [2019-09-08 10:17:53,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-09-08 10:17:53,544 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 10:17:53,544 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 10:17:53,544 INFO L418 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 10:17:53,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 10:17:53,545 INFO L82 PathProgramCache]: Analyzing trace with hash -1825970920, now seen corresponding path program 1 times [2019-09-08 10:17:53,545 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 10:17:53,545 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 10:17:53,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:17:53,547 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 10:17:53,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:17:53,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 10:17:53,711 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 10:17:53,711 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 10:17:53,712 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 10:17:53,712 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 10:17:53,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 10:17:53,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 10:17:53,713 INFO L87 Difference]: Start difference. First operand 210 states and 317 transitions. Second operand 5 states. [2019-09-08 10:17:53,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 10:17:53,880 INFO L93 Difference]: Finished difference Result 954 states and 1489 transitions. [2019-09-08 10:17:53,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 10:17:53,881 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 44 [2019-09-08 10:17:53,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 10:17:53,888 INFO L225 Difference]: With dead ends: 954 [2019-09-08 10:17:53,889 INFO L226 Difference]: Without dead ends: 768 [2019-09-08 10:17:53,894 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 10:17:53,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2019-09-08 10:17:53,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 394. [2019-09-08 10:17:53,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2019-09-08 10:17:53,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 601 transitions. [2019-09-08 10:17:53,966 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 601 transitions. Word has length 44 [2019-09-08 10:17:53,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 10:17:53,967 INFO L475 AbstractCegarLoop]: Abstraction has 394 states and 601 transitions. [2019-09-08 10:17:53,967 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 10:17:53,967 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 601 transitions. [2019-09-08 10:17:53,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-09-08 10:17:53,971 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 10:17:53,971 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 10:17:53,971 INFO L418 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 10:17:53,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 10:17:53,972 INFO L82 PathProgramCache]: Analyzing trace with hash -789056467, now seen corresponding path program 1 times [2019-09-08 10:17:53,974 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 10:17:53,974 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 10:17:53,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:17:53,976 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 10:17:53,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:17:54,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 10:17:54,125 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 10:17:54,126 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 10:17:54,126 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 10:17:54,126 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 10:17:54,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 10:17:54,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-09-08 10:17:54,127 INFO L87 Difference]: Start difference. First operand 394 states and 601 transitions. Second operand 5 states. [2019-09-08 10:17:54,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 10:17:54,243 INFO L93 Difference]: Finished difference Result 1352 states and 2084 transitions. [2019-09-08 10:17:54,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 10:17:54,244 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 45 [2019-09-08 10:17:54,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 10:17:54,250 INFO L225 Difference]: With dead ends: 1352 [2019-09-08 10:17:54,251 INFO L226 Difference]: Without dead ends: 982 [2019-09-08 10:17:54,252 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 10:17:54,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 982 states. [2019-09-08 10:17:54,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 982 to 978. [2019-09-08 10:17:54,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 978 states. [2019-09-08 10:17:54,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 978 states and 1497 transitions. [2019-09-08 10:17:54,320 INFO L78 Accepts]: Start accepts. Automaton has 978 states and 1497 transitions. Word has length 45 [2019-09-08 10:17:54,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 10:17:54,321 INFO L475 AbstractCegarLoop]: Abstraction has 978 states and 1497 transitions. [2019-09-08 10:17:54,321 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 10:17:54,321 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1497 transitions. [2019-09-08 10:17:54,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-08 10:17:54,323 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 10:17:54,324 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 10:17:54,324 INFO L418 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 10:17:54,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 10:17:54,324 INFO L82 PathProgramCache]: Analyzing trace with hash 57272683, now seen corresponding path program 1 times [2019-09-08 10:17:54,324 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 10:17:54,325 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 10:17:54,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:17:54,326 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 10:17:54,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:17:54,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 10:17:54,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 10:17:54,375 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 10:17:54,375 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 10:17:54,375 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 10:17:54,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 10:17:54,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 10:17:54,376 INFO L87 Difference]: Start difference. First operand 978 states and 1497 transitions. Second operand 3 states. [2019-09-08 10:17:54,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 10:17:54,512 INFO L93 Difference]: Finished difference Result 2494 states and 3811 transitions. [2019-09-08 10:17:54,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 10:17:54,513 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2019-09-08 10:17:54,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 10:17:54,525 INFO L225 Difference]: With dead ends: 2494 [2019-09-08 10:17:54,525 INFO L226 Difference]: Without dead ends: 1540 [2019-09-08 10:17:54,528 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 10:17:54,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1540 states. [2019-09-08 10:17:54,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1540 to 1538. [2019-09-08 10:17:54,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1538 states. [2019-09-08 10:17:54,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1538 states to 1538 states and 2313 transitions. [2019-09-08 10:17:54,649 INFO L78 Accepts]: Start accepts. Automaton has 1538 states and 2313 transitions. Word has length 46 [2019-09-08 10:17:54,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 10:17:54,650 INFO L475 AbstractCegarLoop]: Abstraction has 1538 states and 2313 transitions. [2019-09-08 10:17:54,650 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 10:17:54,650 INFO L276 IsEmpty]: Start isEmpty. Operand 1538 states and 2313 transitions. [2019-09-08 10:17:54,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-08 10:17:54,656 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 10:17:54,657 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 10:17:54,657 INFO L418 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 10:17:54,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 10:17:54,657 INFO L82 PathProgramCache]: Analyzing trace with hash 318856598, now seen corresponding path program 1 times [2019-09-08 10:17:54,658 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 10:17:54,658 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 10:17:54,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:17:54,659 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 10:17:54,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:17:54,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 10:17:54,755 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 10:17:54,755 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 10:17:54,755 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 10:17:54,756 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 10:17:54,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 10:17:54,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 10:17:54,757 INFO L87 Difference]: Start difference. First operand 1538 states and 2313 transitions. Second operand 5 states. [2019-09-08 10:17:55,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 10:17:55,110 INFO L93 Difference]: Finished difference Result 4566 states and 6891 transitions. [2019-09-08 10:17:55,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 10:17:55,110 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2019-09-08 10:17:55,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 10:17:55,127 INFO L225 Difference]: With dead ends: 4566 [2019-09-08 10:17:55,127 INFO L226 Difference]: Without dead ends: 3052 [2019-09-08 10:17:55,132 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 10:17:55,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3052 states. [2019-09-08 10:17:55,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3052 to 3050. [2019-09-08 10:17:55,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3050 states. [2019-09-08 10:17:55,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3050 states to 3050 states and 4561 transitions. [2019-09-08 10:17:55,351 INFO L78 Accepts]: Start accepts. Automaton has 3050 states and 4561 transitions. Word has length 47 [2019-09-08 10:17:55,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 10:17:55,354 INFO L475 AbstractCegarLoop]: Abstraction has 3050 states and 4561 transitions. [2019-09-08 10:17:55,354 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 10:17:55,354 INFO L276 IsEmpty]: Start isEmpty. Operand 3050 states and 4561 transitions. [2019-09-08 10:17:55,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-08 10:17:55,357 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 10:17:55,357 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 10:17:55,357 INFO L418 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 10:17:55,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 10:17:55,358 INFO L82 PathProgramCache]: Analyzing trace with hash -495555397, now seen corresponding path program 1 times [2019-09-08 10:17:55,358 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 10:17:55,362 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 10:17:55,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:17:55,365 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 10:17:55,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:17:55,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 10:17:55,481 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 10:17:55,482 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 10:17:55,482 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 10:17:55,482 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 10:17:55,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 10:17:55,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 10:17:55,483 INFO L87 Difference]: Start difference. First operand 3050 states and 4561 transitions. Second operand 5 states. [2019-09-08 10:17:55,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 10:17:55,939 INFO L93 Difference]: Finished difference Result 6268 states and 9290 transitions. [2019-09-08 10:17:55,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 10:17:55,940 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2019-09-08 10:17:55,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 10:17:55,973 INFO L225 Difference]: With dead ends: 6268 [2019-09-08 10:17:55,973 INFO L226 Difference]: Without dead ends: 6266 [2019-09-08 10:17:55,975 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 10:17:55,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6266 states. [2019-09-08 10:17:56,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6266 to 3242. [2019-09-08 10:17:56,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3242 states. [2019-09-08 10:17:56,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3242 states to 3242 states and 4753 transitions. [2019-09-08 10:17:56,259 INFO L78 Accepts]: Start accepts. Automaton has 3242 states and 4753 transitions. Word has length 47 [2019-09-08 10:17:56,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 10:17:56,259 INFO L475 AbstractCegarLoop]: Abstraction has 3242 states and 4753 transitions. [2019-09-08 10:17:56,259 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 10:17:56,260 INFO L276 IsEmpty]: Start isEmpty. Operand 3242 states and 4753 transitions. [2019-09-08 10:17:56,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-09-08 10:17:56,260 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 10:17:56,261 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 10:17:56,261 INFO L418 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 10:17:56,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 10:17:56,261 INFO L82 PathProgramCache]: Analyzing trace with hash 1827271577, now seen corresponding path program 1 times [2019-09-08 10:17:56,262 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 10:17:56,262 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 10:17:56,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:17:56,264 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 10:17:56,264 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:17:56,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 10:17:56,336 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 10:17:56,336 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 10:17:56,336 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 10:17:56,337 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 10:17:56,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 10:17:56,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 10:17:56,338 INFO L87 Difference]: Start difference. First operand 3242 states and 4753 transitions. Second operand 3 states. [2019-09-08 10:17:56,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 10:17:56,630 INFO L93 Difference]: Finished difference Result 7172 states and 10497 transitions. [2019-09-08 10:17:56,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 10:17:56,631 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2019-09-08 10:17:56,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 10:17:56,659 INFO L225 Difference]: With dead ends: 7172 [2019-09-08 10:17:56,659 INFO L226 Difference]: Without dead ends: 3954 [2019-09-08 10:17:56,669 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 10:17:56,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3954 states. [2019-09-08 10:17:57,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3954 to 3932. [2019-09-08 10:17:57,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3932 states. [2019-09-08 10:17:57,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3932 states to 3932 states and 5707 transitions. [2019-09-08 10:17:57,103 INFO L78 Accepts]: Start accepts. Automaton has 3932 states and 5707 transitions. Word has length 48 [2019-09-08 10:17:57,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 10:17:57,103 INFO L475 AbstractCegarLoop]: Abstraction has 3932 states and 5707 transitions. [2019-09-08 10:17:57,103 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 10:17:57,104 INFO L276 IsEmpty]: Start isEmpty. Operand 3932 states and 5707 transitions. [2019-09-08 10:17:57,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-09-08 10:17:57,106 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 10:17:57,107 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 10:17:57,107 INFO L418 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 10:17:57,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 10:17:57,107 INFO L82 PathProgramCache]: Analyzing trace with hash 273056890, now seen corresponding path program 1 times [2019-09-08 10:17:57,107 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 10:17:57,108 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 10:17:57,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:17:57,109 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 10:17:57,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:17:57,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 10:17:57,331 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 10:17:57,331 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 10:17:57,332 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 10:17:57,347 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 10:17:57,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 10:17:57,455 INFO L256 TraceCheckSpWp]: Trace formula consists of 505 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-08 10:17:57,464 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 10:17:57,614 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 10:17:57,631 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 10:17:57,632 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 4] total 12 [2019-09-08 10:17:57,634 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-09-08 10:17:57,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-09-08 10:17:57,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2019-09-08 10:17:57,636 INFO L87 Difference]: Start difference. First operand 3932 states and 5707 transitions. Second operand 12 states. [2019-09-08 10:18:06,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 10:18:06,456 INFO L93 Difference]: Finished difference Result 45932 states and 65338 transitions. [2019-09-08 10:18:06,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2019-09-08 10:18:06,456 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 67 [2019-09-08 10:18:06,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 10:18:06,574 INFO L225 Difference]: With dead ends: 45932 [2019-09-08 10:18:06,574 INFO L226 Difference]: Without dead ends: 42026 [2019-09-08 10:18:06,593 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3776 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=1653, Invalid=7853, Unknown=0, NotChecked=0, Total=9506 [2019-09-08 10:18:06,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42026 states. [2019-09-08 10:18:08,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42026 to 11446. [2019-09-08 10:18:08,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11446 states. [2019-09-08 10:18:08,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11446 states to 11446 states and 16202 transitions. [2019-09-08 10:18:08,128 INFO L78 Accepts]: Start accepts. Automaton has 11446 states and 16202 transitions. Word has length 67 [2019-09-08 10:18:08,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 10:18:08,128 INFO L475 AbstractCegarLoop]: Abstraction has 11446 states and 16202 transitions. [2019-09-08 10:18:08,128 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-09-08 10:18:08,129 INFO L276 IsEmpty]: Start isEmpty. Operand 11446 states and 16202 transitions. [2019-09-08 10:18:08,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-09-08 10:18:08,132 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 10:18:08,133 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 10:18:08,133 INFO L418 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 10:18:08,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 10:18:08,133 INFO L82 PathProgramCache]: Analyzing trace with hash 1476022815, now seen corresponding path program 1 times [2019-09-08 10:18:08,134 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 10:18:08,134 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 10:18:08,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:18:08,135 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 10:18:08,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:18:08,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 10:18:08,181 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 10:18:08,181 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 10:18:08,181 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 10:18:08,182 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 10:18:08,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 10:18:08,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 10:18:08,182 INFO L87 Difference]: Start difference. First operand 11446 states and 16202 transitions. Second operand 3 states. [2019-09-08 10:18:09,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 10:18:09,435 INFO L93 Difference]: Finished difference Result 25189 states and 35746 transitions. [2019-09-08 10:18:09,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 10:18:09,436 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2019-09-08 10:18:09,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 10:18:09,477 INFO L225 Difference]: With dead ends: 25189 [2019-09-08 10:18:09,478 INFO L226 Difference]: Without dead ends: 16737 [2019-09-08 10:18:09,499 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 10:18:09,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16737 states. [2019-09-08 10:18:10,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16737 to 16735. [2019-09-08 10:18:10,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16735 states. [2019-09-08 10:18:10,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16735 states to 16735 states and 23460 transitions. [2019-09-08 10:18:10,652 INFO L78 Accepts]: Start accepts. Automaton has 16735 states and 23460 transitions. Word has length 67 [2019-09-08 10:18:10,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 10:18:10,652 INFO L475 AbstractCegarLoop]: Abstraction has 16735 states and 23460 transitions. [2019-09-08 10:18:10,652 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 10:18:10,652 INFO L276 IsEmpty]: Start isEmpty. Operand 16735 states and 23460 transitions. [2019-09-08 10:18:10,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-09-08 10:18:10,657 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 10:18:10,658 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 10:18:10,658 INFO L418 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 10:18:10,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 10:18:10,658 INFO L82 PathProgramCache]: Analyzing trace with hash 1544866088, now seen corresponding path program 1 times [2019-09-08 10:18:10,658 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 10:18:10,659 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 10:18:10,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:18:10,660 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 10:18:10,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:18:10,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 10:18:10,727 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 10:18:10,727 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 10:18:10,727 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 10:18:10,728 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 10:18:10,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 10:18:10,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-09-08 10:18:10,729 INFO L87 Difference]: Start difference. First operand 16735 states and 23460 transitions. Second operand 6 states. [2019-09-08 10:18:13,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 10:18:13,626 INFO L93 Difference]: Finished difference Result 62799 states and 87564 transitions. [2019-09-08 10:18:13,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 10:18:13,627 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 67 [2019-09-08 10:18:13,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 10:18:13,716 INFO L225 Difference]: With dead ends: 62799 [2019-09-08 10:18:13,716 INFO L226 Difference]: Without dead ends: 46091 [2019-09-08 10:18:13,752 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 10:18:13,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46091 states. [2019-09-08 10:18:17,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46091 to 46087. [2019-09-08 10:18:17,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46087 states. [2019-09-08 10:18:17,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46087 states to 46087 states and 63742 transitions. [2019-09-08 10:18:17,541 INFO L78 Accepts]: Start accepts. Automaton has 46087 states and 63742 transitions. Word has length 67 [2019-09-08 10:18:17,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 10:18:17,541 INFO L475 AbstractCegarLoop]: Abstraction has 46087 states and 63742 transitions. [2019-09-08 10:18:17,541 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 10:18:17,541 INFO L276 IsEmpty]: Start isEmpty. Operand 46087 states and 63742 transitions. [2019-09-08 10:18:17,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-09-08 10:18:17,546 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 10:18:17,547 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 10:18:17,547 INFO L418 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 10:18:17,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 10:18:17,547 INFO L82 PathProgramCache]: Analyzing trace with hash 974449507, now seen corresponding path program 1 times [2019-09-08 10:18:17,547 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 10:18:17,548 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 10:18:17,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:18:17,549 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 10:18:17,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:18:17,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 10:18:17,625 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 10:18:17,625 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 10:18:17,625 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 10:18:17,642 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 10:18:17,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 10:18:17,889 INFO L256 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-08 10:18:17,899 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 10:18:17,982 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 10:18:17,987 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 10:18:17,988 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2019-09-08 10:18:17,988 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-08 10:18:17,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-08 10:18:17,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2019-09-08 10:18:17,989 INFO L87 Difference]: Start difference. First operand 46087 states and 63742 transitions. Second operand 11 states. [2019-09-08 10:18:25,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 10:18:25,553 INFO L93 Difference]: Finished difference Result 129892 states and 179523 transitions. [2019-09-08 10:18:25,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-08 10:18:25,553 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 67 [2019-09-08 10:18:25,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 10:18:25,729 INFO L225 Difference]: With dead ends: 129892 [2019-09-08 10:18:25,729 INFO L226 Difference]: Without dead ends: 94808 [2019-09-08 10:18:25,788 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 10:18:25,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94808 states. [2019-09-08 10:18:31,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94808 to 55873. [2019-09-08 10:18:31,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55873 states. [2019-09-08 10:18:31,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55873 states to 55873 states and 77442 transitions. [2019-09-08 10:18:31,472 INFO L78 Accepts]: Start accepts. Automaton has 55873 states and 77442 transitions. Word has length 67 [2019-09-08 10:18:31,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 10:18:31,473 INFO L475 AbstractCegarLoop]: Abstraction has 55873 states and 77442 transitions. [2019-09-08 10:18:31,473 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-08 10:18:31,473 INFO L276 IsEmpty]: Start isEmpty. Operand 55873 states and 77442 transitions. [2019-09-08 10:18:31,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-09-08 10:18:31,479 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 10:18:31,479 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 10:18:31,479 INFO L418 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 10:18:31,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 10:18:31,480 INFO L82 PathProgramCache]: Analyzing trace with hash 487613676, now seen corresponding path program 1 times [2019-09-08 10:18:31,480 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 10:18:31,480 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 10:18:31,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:18:31,481 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 10:18:31,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:18:31,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 10:18:31,522 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 10:18:31,522 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 10:18:31,523 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 10:18:31,523 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 10:18:31,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 10:18:31,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 10:18:31,524 INFO L87 Difference]: Start difference. First operand 55873 states and 77442 transitions. Second operand 3 states. [2019-09-08 10:18:35,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 10:18:35,854 INFO L93 Difference]: Finished difference Result 92713 states and 128133 transitions. [2019-09-08 10:18:35,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 10:18:35,854 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2019-09-08 10:18:35,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 10:18:35,929 INFO L225 Difference]: With dead ends: 92713 [2019-09-08 10:18:35,929 INFO L226 Difference]: Without dead ends: 58006 [2019-09-08 10:18:35,974 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 10:18:36,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58006 states. [2019-09-08 10:18:41,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58006 to 51954. [2019-09-08 10:18:41,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51954 states. [2019-09-08 10:18:41,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51954 states to 51954 states and 70849 transitions. [2019-09-08 10:18:41,351 INFO L78 Accepts]: Start accepts. Automaton has 51954 states and 70849 transitions. Word has length 67 [2019-09-08 10:18:41,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 10:18:41,351 INFO L475 AbstractCegarLoop]: Abstraction has 51954 states and 70849 transitions. [2019-09-08 10:18:41,351 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 10:18:41,352 INFO L276 IsEmpty]: Start isEmpty. Operand 51954 states and 70849 transitions. [2019-09-08 10:18:41,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-09-08 10:18:41,357 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 10:18:41,357 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 10:18:41,357 INFO L418 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 10:18:41,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 10:18:41,358 INFO L82 PathProgramCache]: Analyzing trace with hash 1652528835, now seen corresponding path program 1 times [2019-09-08 10:18:41,358 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 10:18:41,358 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 10:18:41,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:18:41,359 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 10:18:41,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:18:41,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 10:18:41,425 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 10:18:41,425 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 10:18:41,425 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 10:18:41,426 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 10:18:41,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 10:18:41,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-09-08 10:18:41,427 INFO L87 Difference]: Start difference. First operand 51954 states and 70849 transitions. Second operand 6 states. [2019-09-08 10:18:50,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 10:18:50,342 INFO L93 Difference]: Finished difference Result 179122 states and 243089 transitions. [2019-09-08 10:18:50,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 10:18:50,343 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 67 [2019-09-08 10:18:50,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 10:18:50,486 INFO L225 Difference]: With dead ends: 179122 [2019-09-08 10:18:50,487 INFO L226 Difference]: Without dead ends: 127271 [2019-09-08 10:18:50,535 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 10:18:50,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127271 states. [2019-09-08 10:19:01,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127271 to 126423. [2019-09-08 10:19:01,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126423 states. [2019-09-08 10:19:01,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126423 states to 126423 states and 170772 transitions. [2019-09-08 10:19:01,336 INFO L78 Accepts]: Start accepts. Automaton has 126423 states and 170772 transitions. Word has length 67 [2019-09-08 10:19:01,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 10:19:01,336 INFO L475 AbstractCegarLoop]: Abstraction has 126423 states and 170772 transitions. [2019-09-08 10:19:01,336 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 10:19:01,336 INFO L276 IsEmpty]: Start isEmpty. Operand 126423 states and 170772 transitions. [2019-09-08 10:19:01,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-09-08 10:19:01,342 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 10:19:01,342 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 10:19:01,342 INFO L418 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 10:19:01,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 10:19:01,343 INFO L82 PathProgramCache]: Analyzing trace with hash 255572904, now seen corresponding path program 1 times [2019-09-08 10:19:01,343 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 10:19:01,343 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 10:19:01,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:19:01,344 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 10:19:01,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:19:01,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 10:19:01,419 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 10:19:01,420 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 10:19:01,420 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 10:19:01,444 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 10:19:01,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 10:19:01,518 INFO L256 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-08 10:19:01,522 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 10:19:01,604 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 10:19:01,609 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 10:19:01,609 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2019-09-08 10:19:01,610 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-08 10:19:01,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-08 10:19:01,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2019-09-08 10:19:01,611 INFO L87 Difference]: Start difference. First operand 126423 states and 170772 transitions. Second operand 11 states. [2019-09-08 10:19:23,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 10:19:23,878 INFO L93 Difference]: Finished difference Result 293128 states and 397166 transitions. [2019-09-08 10:19:23,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-08 10:19:23,878 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 67 [2019-09-08 10:19:23,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 10:19:24,226 INFO L225 Difference]: With dead ends: 293128 [2019-09-08 10:19:24,226 INFO L226 Difference]: Without dead ends: 241130 [2019-09-08 10:19:24,297 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 10:19:24,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241130 states. [2019-09-08 10:19:36,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241130 to 146055. [2019-09-08 10:19:36,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146055 states. [2019-09-08 10:19:37,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146055 states to 146055 states and 197434 transitions. [2019-09-08 10:19:37,051 INFO L78 Accepts]: Start accepts. Automaton has 146055 states and 197434 transitions. Word has length 67 [2019-09-08 10:19:37,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 10:19:37,052 INFO L475 AbstractCegarLoop]: Abstraction has 146055 states and 197434 transitions. [2019-09-08 10:19:37,052 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-08 10:19:37,052 INFO L276 IsEmpty]: Start isEmpty. Operand 146055 states and 197434 transitions. [2019-09-08 10:19:37,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-09-08 10:19:37,057 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 10:19:37,057 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 10:19:37,058 INFO L418 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 10:19:37,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 10:19:37,058 INFO L82 PathProgramCache]: Analyzing trace with hash 1664728553, now seen corresponding path program 1 times [2019-09-08 10:19:37,058 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 10:19:37,058 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 10:19:37,059 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:19:37,059 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 10:19:37,059 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:19:37,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 10:19:37,104 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 10:19:37,104 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 10:19:37,104 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 10:19:37,105 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 10:19:37,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 10:19:37,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 10:19:37,106 INFO L87 Difference]: Start difference. First operand 146055 states and 197434 transitions. Second operand 3 states. [2019-09-08 10:19:54,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 10:19:54,145 INFO L93 Difference]: Finished difference Result 262398 states and 354982 transitions. [2019-09-08 10:19:54,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 10:19:54,149 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2019-09-08 10:19:54,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 10:19:54,370 INFO L225 Difference]: With dead ends: 262398 [2019-09-08 10:19:54,371 INFO L226 Difference]: Without dead ends: 167635 [2019-09-08 10:19:54,438 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 10:19:54,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167635 states. [2019-09-08 10:20:09,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167635 to 153729. [2019-09-08 10:20:09,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153729 states. [2019-09-08 10:20:10,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153729 states to 153729 states and 204586 transitions. [2019-09-08 10:20:10,074 INFO L78 Accepts]: Start accepts. Automaton has 153729 states and 204586 transitions. Word has length 68 [2019-09-08 10:20:10,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 10:20:10,074 INFO L475 AbstractCegarLoop]: Abstraction has 153729 states and 204586 transitions. [2019-09-08 10:20:10,075 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 10:20:10,075 INFO L276 IsEmpty]: Start isEmpty. Operand 153729 states and 204586 transitions. [2019-09-08 10:20:10,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-09-08 10:20:10,080 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 10:20:10,081 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 10:20:10,081 INFO L418 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 10:20:10,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 10:20:10,081 INFO L82 PathProgramCache]: Analyzing trace with hash 479308742, now seen corresponding path program 1 times [2019-09-08 10:20:10,081 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 10:20:10,081 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 10:20:10,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:20:10,083 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 10:20:10,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:20:10,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 10:20:10,130 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 10:20:10,131 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 10:20:10,131 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 10:20:10,131 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 10:20:10,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 10:20:10,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 10:20:10,132 INFO L87 Difference]: Start difference. First operand 153729 states and 204586 transitions. Second operand 3 states. [2019-09-08 10:20:23,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 10:20:23,449 INFO L93 Difference]: Finished difference Result 220249 states and 292072 transitions. [2019-09-08 10:20:23,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 10:20:23,450 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2019-09-08 10:20:23,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 10:20:23,637 INFO L225 Difference]: With dead ends: 220249 [2019-09-08 10:20:23,637 INFO L226 Difference]: Without dead ends: 151540 [2019-09-08 10:20:23,699 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 10:20:23,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151540 states. [2019-09-08 10:20:39,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151540 to 134799. [2019-09-08 10:20:39,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134799 states. [2019-09-08 10:20:39,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134799 states to 134799 states and 177394 transitions. [2019-09-08 10:20:39,644 INFO L78 Accepts]: Start accepts. Automaton has 134799 states and 177394 transitions. Word has length 68 [2019-09-08 10:20:39,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 10:20:39,645 INFO L475 AbstractCegarLoop]: Abstraction has 134799 states and 177394 transitions. [2019-09-08 10:20:39,645 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 10:20:39,645 INFO L276 IsEmpty]: Start isEmpty. Operand 134799 states and 177394 transitions. [2019-09-08 10:20:39,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-09-08 10:20:39,650 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 10:20:39,650 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 10:20:39,651 INFO L418 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 10:20:39,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 10:20:39,651 INFO L82 PathProgramCache]: Analyzing trace with hash -429505741, now seen corresponding path program 1 times [2019-09-08 10:20:39,651 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 10:20:39,651 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 10:20:39,652 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:20:39,652 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 10:20:39,652 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:20:39,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 10:20:39,724 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 10:20:39,724 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 10:20:39,724 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) [2019-09-08 10:20:39,738 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 10:20:39,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 10:20:39,803 INFO L256 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-08 10:20:39,807 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 10:20:39,871 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 10:20:39,884 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 10:20:39,884 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2019-09-08 10:20:39,884 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-08 10:20:39,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-08 10:20:39,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2019-09-08 10:20:39,885 INFO L87 Difference]: Start difference. First operand 134799 states and 177394 transitions. Second operand 11 states. [2019-09-08 10:20:56,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 10:20:56,577 INFO L93 Difference]: Finished difference Result 216864 states and 285220 transitions. [2019-09-08 10:20:56,577 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-08 10:20:56,578 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 69 [2019-09-08 10:20:56,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 10:20:56,777 INFO L225 Difference]: With dead ends: 216864 [2019-09-08 10:20:56,777 INFO L226 Difference]: Without dead ends: 165662 [2019-09-08 10:20:56,840 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 10:20:56,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165662 states. [2019-09-08 10:21:13,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165662 to 134163. [2019-09-08 10:21:13,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134163 states. [2019-09-08 10:21:13,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134163 states to 134163 states and 175722 transitions. [2019-09-08 10:21:13,779 INFO L78 Accepts]: Start accepts. Automaton has 134163 states and 175722 transitions. Word has length 69 [2019-09-08 10:21:13,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 10:21:13,780 INFO L475 AbstractCegarLoop]: Abstraction has 134163 states and 175722 transitions. [2019-09-08 10:21:13,780 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-08 10:21:13,780 INFO L276 IsEmpty]: Start isEmpty. Operand 134163 states and 175722 transitions. [2019-09-08 10:21:13,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-09-08 10:21:13,786 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 10:21:13,786 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 10:21:13,786 INFO L418 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 10:21:13,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 10:21:13,787 INFO L82 PathProgramCache]: Analyzing trace with hash -76771846, now seen corresponding path program 1 times [2019-09-08 10:21:13,787 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 10:21:13,787 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 10:21:13,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:21:13,788 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 10:21:13,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:21:13,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 10:21:13,841 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 10:21:13,841 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 10:21:13,841 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 10:21:13,842 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 10:21:13,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 10:21:13,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-09-08 10:21:13,842 INFO L87 Difference]: Start difference. First operand 134163 states and 175722 transitions. Second operand 5 states. [2019-09-08 10:21:33,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 10:21:33,265 INFO L93 Difference]: Finished difference Result 224789 states and 297235 transitions. [2019-09-08 10:21:33,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 10:21:33,265 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2019-09-08 10:21:33,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 10:21:33,477 INFO L225 Difference]: With dead ends: 224789 [2019-09-08 10:21:33,478 INFO L226 Difference]: Without dead ends: 189355 [2019-09-08 10:21:33,529 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 10:21:33,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189355 states. [2019-09-08 10:21:53,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189355 to 168467. [2019-09-08 10:21:53,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168467 states. [2019-09-08 10:21:53,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168467 states to 168467 states and 220508 transitions. [2019-09-08 10:21:53,520 INFO L78 Accepts]: Start accepts. Automaton has 168467 states and 220508 transitions. Word has length 69 [2019-09-08 10:21:53,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 10:21:53,520 INFO L475 AbstractCegarLoop]: Abstraction has 168467 states and 220508 transitions. [2019-09-08 10:21:53,520 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 10:21:53,520 INFO L276 IsEmpty]: Start isEmpty. Operand 168467 states and 220508 transitions. [2019-09-08 10:21:53,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-09-08 10:21:53,526 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 10:21:53,526 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 10:21:53,527 INFO L418 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 10:21:53,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 10:21:53,527 INFO L82 PathProgramCache]: Analyzing trace with hash 1762268375, now seen corresponding path program 1 times [2019-09-08 10:21:53,527 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 10:21:53,527 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 10:21:53,528 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:21:53,528 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 10:21:53,528 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:21:53,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 10:21:53,592 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 10:21:53,593 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 10:21:53,593 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 10:21:53,593 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 10:21:53,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 10:21:53,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-09-08 10:21:53,594 INFO L87 Difference]: Start difference. First operand 168467 states and 220508 transitions. Second operand 5 states. [2019-09-08 10:22:19,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 10:22:19,223 INFO L93 Difference]: Finished difference Result 278631 states and 368118 transitions. [2019-09-08 10:22:19,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 10:22:19,224 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2019-09-08 10:22:19,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 10:22:19,491 INFO L225 Difference]: With dead ends: 278631 [2019-09-08 10:22:19,491 INFO L226 Difference]: Without dead ends: 222940 [2019-09-08 10:22:19,552 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 10:22:19,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222940 states. [2019-09-08 10:22:45,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222940 to 209403. [2019-09-08 10:22:45,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209403 states. [2019-09-08 10:22:45,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209403 states to 209403 states and 273324 transitions. [2019-09-08 10:22:45,485 INFO L78 Accepts]: Start accepts. Automaton has 209403 states and 273324 transitions. Word has length 70 [2019-09-08 10:22:45,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 10:22:45,486 INFO L475 AbstractCegarLoop]: Abstraction has 209403 states and 273324 transitions. [2019-09-08 10:22:45,486 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 10:22:45,486 INFO L276 IsEmpty]: Start isEmpty. Operand 209403 states and 273324 transitions. [2019-09-08 10:22:45,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-09-08 10:22:45,495 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 10:22:45,495 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 10:22:45,495 INFO L418 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 10:22:45,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 10:22:45,496 INFO L82 PathProgramCache]: Analyzing trace with hash -1353621055, now seen corresponding path program 1 times [2019-09-08 10:22:45,496 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 10:22:45,496 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 10:22:45,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:22:45,497 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 10:22:45,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:22:45,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 10:22:45,560 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 10:22:45,560 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 10:22:45,560 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 10:22:45,561 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 10:22:45,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 10:22:45,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-09-08 10:22:45,561 INFO L87 Difference]: Start difference. First operand 209403 states and 273324 transitions. Second operand 5 states. [2019-09-08 10:23:11,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 10:23:11,077 INFO L93 Difference]: Finished difference Result 272307 states and 358219 transitions. [2019-09-08 10:23:11,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 10:23:11,077 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2019-09-08 10:23:11,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 10:23:11,372 INFO L225 Difference]: With dead ends: 272307 [2019-09-08 10:23:11,372 INFO L226 Difference]: Without dead ends: 243277 [2019-09-08 10:23:11,428 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 10:23:11,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243277 states. [2019-09-08 10:23:39,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243277 to 229725. [2019-09-08 10:23:39,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229725 states. [2019-09-08 10:23:39,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229725 states to 229725 states and 299721 transitions. [2019-09-08 10:23:39,351 INFO L78 Accepts]: Start accepts. Automaton has 229725 states and 299721 transitions. Word has length 71 [2019-09-08 10:23:39,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 10:23:39,352 INFO L475 AbstractCegarLoop]: Abstraction has 229725 states and 299721 transitions. [2019-09-08 10:23:39,352 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 10:23:39,352 INFO L276 IsEmpty]: Start isEmpty. Operand 229725 states and 299721 transitions. [2019-09-08 10:23:39,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-09-08 10:23:39,361 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 10:23:39,361 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 10:23:39,362 INFO L418 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 10:23:39,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 10:23:39,362 INFO L82 PathProgramCache]: Analyzing trace with hash -342138422, now seen corresponding path program 1 times [2019-09-08 10:23:39,362 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 10:23:39,362 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 10:23:39,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:23:39,363 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 10:23:39,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 10:23:39,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 10:23:39,556 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 10:23:39,556 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 10:23:39,556 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 10:23:39,571 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 10:23:39,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 10:23:39,646 INFO L256 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 22 conjunts are in the unsatisfiable core [2019-09-08 10:23:39,650 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 10:23:39,775 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 10:23:40,752 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (6)] Exception during sending of exit command (exit): Broken pipe [2019-09-08 10:23:40,757 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 10:23:40,757 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2019-09-08 10:23:40,758 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-09-08 10:23:40,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-09-08 10:23:40,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=300, Unknown=0, NotChecked=0, Total=342 [2019-09-08 10:23:40,759 INFO L87 Difference]: Start difference. First operand 229725 states and 299721 transitions. Second operand 19 states. [2019-09-08 10:23:41,323 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 62 [2019-09-08 10:23:41,644 WARN L188 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 62 [2019-09-08 10:23:42,014 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 72 [2019-09-08 10:23:42,320 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 72 [2019-09-08 10:23:42,645 WARN L188 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2019-09-08 10:23:43,012 WARN L188 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 78 [2019-09-08 10:23:43,417 WARN L188 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 81 [2019-09-08 10:23:43,776 WARN L188 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2019-09-08 10:23:44,146 WARN L188 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 78 [2019-09-08 10:23:44,587 WARN L188 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 81 [2019-09-08 10:23:45,246 WARN L188 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 81 [2019-09-08 10:23:45,685 WARN L188 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 81 [2019-09-08 10:23:46,242 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 77 [2019-09-08 10:23:46,492 WARN L188 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 69 [2019-09-08 10:23:46,889 WARN L188 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 80 [2019-09-08 10:23:47,162 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 71 [2019-09-08 10:23:47,496 WARN L188 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2019-09-08 10:23:47,802 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 71 [2019-09-08 10:23:48,138 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2019-09-08 10:23:48,531 WARN L188 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 76 [2019-09-08 10:23:48,836 WARN L188 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2019-09-08 10:23:49,128 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 70 [2019-09-08 10:23:49,484 WARN L188 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 77 [2019-09-08 10:23:49,856 WARN L188 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 80 [2019-09-08 10:23:50,163 WARN L188 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 70 [2019-09-08 10:23:50,453 WARN L188 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-09-08 10:23:50,764 WARN L188 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2019-09-08 10:23:51,149 WARN L188 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2019-09-08 10:23:51,418 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2019-09-08 10:23:52,340 WARN L188 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 79 [2019-09-08 10:23:52,708 WARN L188 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 81 [2019-09-08 10:23:53,071 WARN L188 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 84 [2019-09-08 10:23:53,342 WARN L188 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2019-09-08 10:23:53,719 WARN L188 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 74 [2019-09-08 10:23:54,058 WARN L188 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2019-09-08 10:23:54,410 WARN L188 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 76 [2019-09-08 10:23:54,814 WARN L188 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2019-09-08 10:23:55,116 WARN L188 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2019-09-08 10:23:55,435 WARN L188 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-09-08 10:23:55,714 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 74 [2019-09-08 10:23:56,029 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 75 [2019-09-08 10:23:56,407 WARN L188 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 77 [2019-09-08 10:23:56,718 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 80 [2019-09-08 10:23:57,048 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 73 [2019-09-08 10:23:57,445 WARN L188 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 79 [2019-09-08 10:23:57,766 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2019-09-08 10:23:58,202 WARN L188 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 84 [2019-09-08 10:23:58,520 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 73 [2019-09-08 10:23:58,861 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2019-09-08 10:23:59,200 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 77 [2019-09-08 10:23:59,548 WARN L188 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 79 [2019-09-08 10:24:00,690 WARN L188 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 99 DAG size of output: 84 [2019-09-08 10:24:00,993 WARN L188 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-09-08 10:24:01,394 WARN L188 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2019-09-08 10:24:01,852 WARN L188 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 81 [2019-09-08 10:24:02,250 WARN L188 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 69 [2019-09-08 10:24:02,701 WARN L188 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 75 [2019-09-08 10:24:03,081 WARN L188 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 74 [2019-09-08 10:24:03,485 WARN L188 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 80 [2019-09-08 10:24:03,892 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 75 [2019-09-08 10:24:04,284 WARN L188 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 80 [2019-09-08 10:24:04,700 WARN L188 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 74 [2019-09-08 10:24:05,076 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 79 [2019-09-08 10:24:05,465 WARN L188 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 80 [2019-09-08 10:24:05,925 WARN L188 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 84 [2019-09-08 10:24:06,272 WARN L188 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 69 [2019-09-08 10:24:06,599 WARN L188 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2019-09-08 10:24:07,215 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 77 [2019-09-08 10:24:07,550 WARN L188 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2019-09-08 10:24:08,053 WARN L188 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 77 [2019-09-08 10:24:08,518 WARN L188 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 84 [2019-09-08 10:24:08,940 WARN L188 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 75 [2019-09-08 10:24:09,328 WARN L188 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 76 [2019-09-08 10:24:10,551 WARN L188 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 80 [2019-09-08 10:24:10,933 WARN L188 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 77 [2019-09-08 10:24:11,418 WARN L188 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 76 [2019-09-08 10:24:11,756 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 80 [2019-09-08 10:24:12,140 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2019-09-08 10:24:12,698 WARN L188 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 84 [2019-09-08 10:24:13,458 WARN L188 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 72 [2019-09-08 10:24:13,941 WARN L188 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 76 [2019-09-08 10:24:14,337 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 73 [2019-09-08 10:24:14,932 WARN L188 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 80 [2019-09-08 10:24:15,363 WARN L188 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 71 [2019-09-08 10:24:15,788 WARN L188 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 72 [2019-09-08 10:24:16,284 WARN L188 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 79 [2019-09-08 10:24:16,613 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 76 [2019-09-08 10:24:16,906 WARN L188 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2019-09-08 10:24:17,215 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 74 [2019-09-08 10:24:17,522 WARN L188 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 71 [2019-09-08 10:24:18,019 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 10:24:18,409 WARN L188 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2019-09-08 10:24:18,763 WARN L188 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 80 [2019-09-08 10:24:19,077 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 72 [2019-09-08 10:24:19,534 WARN L188 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 80 [2019-09-08 10:24:19,863 WARN L188 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 77 [2019-09-08 10:24:20,365 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2019-09-08 10:24:20,799 WARN L188 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 70 [2019-09-08 10:24:21,003 WARN L188 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-08 10:24:21,175 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2019-09-08 10:24:21,464 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2019-09-08 10:24:22,190 WARN L188 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2019-09-08 10:24:22,557 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 75 [2019-09-08 10:24:23,062 WARN L188 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 72 [2019-09-08 10:24:23,458 WARN L188 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 74 [2019-09-08 10:24:23,778 WARN L188 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 71 [2019-09-08 10:24:24,196 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 79 [2019-09-08 10:24:24,483 WARN L188 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2019-09-08 10:24:24,681 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2019-09-08 10:24:24,918 WARN L188 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2019-09-08 10:24:25,130 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 65 [2019-09-08 10:24:25,477 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 82 [2019-09-08 10:24:25,779 WARN L188 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 71 [2019-09-08 10:24:26,005 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 62 [2019-09-08 10:24:26,207 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 56 [2019-09-08 10:24:26,477 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-08 10:24:26,956 WARN L188 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 74 [2019-09-08 10:24:27,438 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 75 [2019-09-08 10:24:27,856 WARN L188 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2019-09-08 10:24:28,245 WARN L188 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 74 [2019-09-08 10:24:28,608 WARN L188 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-08 10:24:28,802 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2019-09-08 10:24:29,160 WARN L188 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2019-09-08 10:24:29,504 WARN L188 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 77 [2019-09-08 10:24:29,855 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 80 [2019-09-08 10:24:30,252 WARN L188 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 86 [2019-09-08 10:24:30,553 WARN L188 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2019-09-08 10:24:30,918 WARN L188 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 83 [2019-09-08 10:24:31,429 WARN L188 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 76 [2019-09-08 10:24:31,763 WARN L188 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 73 [2019-09-08 10:24:32,146 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 59 [2019-09-08 10:24:32,823 WARN L188 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 81 [2019-09-08 10:24:33,174 WARN L188 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 74 [2019-09-08 10:24:33,530 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 77 [2019-09-08 10:24:33,950 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2019-09-08 10:24:34,272 WARN L188 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2019-09-08 10:24:34,502 WARN L188 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 63 [2019-09-08 10:24:34,692 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2019-09-08 10:24:34,995 WARN L188 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 71 [2019-09-08 10:24:35,299 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 74 [2019-09-08 10:24:35,625 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2019-09-08 10:24:36,008 WARN L188 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2019-09-08 10:24:36,431 WARN L188 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 82 [2019-09-08 10:24:36,810 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 79 [2019-09-08 10:24:37,649 WARN L188 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2019-09-08 10:24:37,980 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 67 [2019-09-08 10:24:38,418 WARN L188 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2019-09-08 10:24:38,841 WARN L188 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 80 [2019-09-08 10:24:39,181 WARN L188 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 10:24:39,428 WARN L188 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2019-09-08 10:24:39,625 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2019-09-08 10:24:39,950 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 78 [2019-09-08 10:24:40,325 WARN L188 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 78 [2019-09-08 10:24:40,680 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 78 [2019-09-08 10:24:41,018 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 76 [2019-09-08 10:24:41,348 WARN L188 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 10:24:41,608 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 76 [2019-09-08 10:24:41,820 WARN L188 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2019-09-08 10:24:42,175 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 81 [2019-09-08 10:24:42,456 WARN L188 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 74 [2019-09-08 10:24:42,819 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 79 [2019-09-08 10:24:43,060 WARN L188 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 65 [2019-09-08 10:24:43,396 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-08 10:24:43,643 WARN L188 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-08 10:24:43,838 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-08 10:24:44,255 WARN L188 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2019-09-08 10:24:44,570 WARN L188 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2019-09-08 10:24:45,079 WARN L188 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 82 [2019-09-08 10:24:45,496 WARN L188 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 79 [2019-09-08 10:24:45,934 WARN L188 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 76 [2019-09-08 10:24:46,139 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2019-09-08 10:24:46,549 WARN L188 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 70 [2019-09-08 10:24:47,028 WARN L188 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 79 [2019-09-08 10:24:47,331 WARN L188 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 10:24:47,580 WARN L188 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 71 [2019-09-08 10:24:47,816 WARN L188 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 65 [2019-09-08 10:24:48,145 WARN L188 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 75 [2019-09-08 10:24:48,527 WARN L188 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 78 [2019-09-08 10:24:48,869 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 73 [2019-09-08 10:24:49,294 WARN L188 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 82 [2019-09-08 10:24:49,598 WARN L188 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 10:24:49,939 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 74 [2019-09-08 10:24:50,276 WARN L188 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 81 [2019-09-08 10:24:50,562 WARN L188 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2019-09-08 10:24:50,914 WARN L188 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 71 [2019-09-08 10:24:51,372 WARN L188 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2019-09-08 10:24:51,785 WARN L188 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2019-09-08 10:24:52,097 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 66 [2019-09-08 10:24:52,341 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2019-09-08 10:24:52,799 WARN L188 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 86 [2019-09-08 10:24:53,511 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2019-09-08 10:24:53,883 WARN L188 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 74 [2019-09-08 10:24:54,298 WARN L188 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 68 [2019-09-08 10:24:54,548 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 62 [2019-09-08 10:24:54,909 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 75 [2019-09-08 10:24:55,449 WARN L188 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 87 [2019-09-08 10:24:55,686 WARN L188 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2019-09-08 10:24:56,068 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 77 [2019-09-08 10:24:56,596 WARN L188 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 81 [2019-09-08 10:24:57,061 WARN L188 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 80 [2019-09-08 10:24:57,548 WARN L188 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 83 [2019-09-08 10:24:58,029 WARN L188 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 77 [2019-09-08 10:24:58,445 WARN L188 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2019-09-08 10:24:58,773 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-08 10:24:58,959 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2019-09-08 10:24:59,216 WARN L188 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 72 [2019-09-08 10:24:59,445 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 66 [2019-09-08 10:24:59,749 WARN L188 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 10:25:00,025 WARN L188 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 72 [2019-09-08 10:25:00,292 WARN L188 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 66 [2019-09-08 10:25:00,718 WARN L188 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 83 [2019-09-08 10:25:01,113 WARN L188 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 82 [2019-09-08 10:25:01,382 WARN L188 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-08 10:25:01,587 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2019-09-08 10:25:01,862 WARN L188 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 75 [2019-09-08 10:25:02,106 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 69 [2019-09-08 10:25:02,431 WARN L188 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-09-08 10:25:02,764 WARN L188 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2019-09-08 10:25:03,087 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-08 10:25:03,635 WARN L188 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 78 [2019-09-08 10:25:04,030 WARN L188 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 77 [2019-09-08 10:25:04,476 WARN L188 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2019-09-08 10:25:05,537 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 77 [2019-09-08 10:25:05,811 WARN L188 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2019-09-08 10:25:06,030 WARN L188 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2019-09-08 10:25:06,248 WARN L188 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-08 10:25:06,432 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2019-09-08 10:25:06,803 WARN L188 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 82 [2019-09-08 10:25:07,063 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 69 [2019-09-08 10:25:07,309 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 64 [2019-09-08 10:25:07,613 WARN L188 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 72 [2019-09-08 10:25:08,000 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 80 [2019-09-08 10:25:08,320 WARN L188 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 76 [2019-09-08 10:25:08,544 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2019-09-08 10:25:08,788 WARN L188 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-08 10:25:08,980 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2019-09-08 10:25:09,412 WARN L188 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 85 [2019-09-08 10:25:09,788 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2019-09-08 10:25:10,123 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2019-09-08 10:25:10,341 WARN L188 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2019-09-08 10:25:10,542 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2019-09-08 10:25:10,900 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2019-09-08 10:25:11,547 WARN L188 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 76 [2019-09-08 10:25:12,094 WARN L188 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2019-09-08 10:25:12,458 WARN L188 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 70 [2019-09-08 10:25:13,004 WARN L188 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 81 [2019-09-08 10:25:13,407 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 80 [2019-09-08 10:25:13,704 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 69 [2019-09-08 10:25:14,099 WARN L188 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 79 [2019-09-08 10:25:14,518 WARN L188 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 78 [2019-09-08 10:25:15,172 WARN L188 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 82 [2019-09-08 10:25:15,703 WARN L188 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 82 [2019-09-08 10:25:16,139 WARN L188 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 76 [2019-09-08 10:25:17,000 WARN L188 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 73 [2019-09-08 10:25:17,519 WARN L188 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 85 [2019-09-08 10:25:17,937 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 81 [2019-09-08 10:25:18,337 WARN L188 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 79 [2019-09-08 10:25:18,795 WARN L188 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 79 [2019-09-08 10:25:19,013 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2019-09-08 10:25:19,443 WARN L188 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2019-09-08 10:25:19,865 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2019-09-08 10:25:20,304 WARN L188 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 74 [2019-09-08 10:25:20,652 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-08 10:25:20,845 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2019-09-08 10:25:21,211 WARN L188 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 78 [2019-09-08 10:25:21,633 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 76 [2019-09-08 10:25:21,982 WARN L188 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 10:25:22,205 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-08 10:25:22,700 WARN L188 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2019-09-08 10:25:23,163 WARN L188 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 79 [2019-09-08 10:25:23,672 WARN L188 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2019-09-08 10:25:24,192 WARN L188 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 87 [2019-09-08 10:25:24,535 WARN L188 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 74 [2019-09-08 10:25:25,026 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 71 [2019-09-08 10:25:25,281 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 65 [2019-09-08 10:25:25,565 WARN L188 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 76 [2019-09-08 10:25:25,797 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2019-09-08 10:25:26,321 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 79 [2019-09-08 10:25:26,591 WARN L188 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2019-09-08 10:25:26,864 WARN L188 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 69 [2019-09-08 10:25:27,892 WARN L188 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 83 [2019-09-08 10:25:28,338 WARN L188 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 82 [2019-09-08 10:25:29,044 WARN L188 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2019-09-08 10:25:29,584 WARN L188 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 86 [2019-09-08 10:25:29,967 WARN L188 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 75 [2019-09-08 10:25:30,205 WARN L188 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 69 [2019-09-08 10:25:30,515 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 74 [2019-09-08 10:25:30,792 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 68 [2019-09-08 10:25:31,410 WARN L188 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2019-09-08 10:25:31,926 WARN L188 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 80 [2019-09-08 10:25:32,505 WARN L188 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 83 [2019-09-08 10:25:32,938 WARN L188 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2019-09-08 10:25:33,263 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-09-08 10:25:33,683 WARN L188 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 72 [2019-09-08 10:25:33,943 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 66 [2019-09-08 10:25:34,589 WARN L188 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 81 [2019-09-08 10:25:35,126 WARN L188 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 86 [2019-09-08 10:25:36,421 WARN L188 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 89 [2019-09-08 10:25:36,924 WARN L188 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2019-09-08 10:25:37,257 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 57 [2019-09-08 10:25:37,464 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-08 10:25:38,078 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2019-09-08 10:25:38,283 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2019-09-08 10:25:38,550 WARN L188 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-08 10:25:39,178 WARN L188 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 85 [2019-09-08 10:25:39,660 WARN L188 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 84 [2019-09-08 10:25:40,168 WARN L188 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 79 [2019-09-08 10:25:40,574 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 78 [2019-09-08 10:25:41,108 WARN L188 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 76 [2019-09-08 10:25:41,477 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2019-09-08 10:25:41,920 WARN L188 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 71 [2019-09-08 10:25:42,152 WARN L188 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 65 [2019-09-08 10:25:42,586 WARN L188 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 77 [2019-09-08 10:25:42,797 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 71 [2019-09-08 10:25:43,054 WARN L188 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2019-09-08 10:25:43,286 WARN L188 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2019-09-08 10:25:43,536 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 63 [2019-09-08 10:25:44,618 WARN L188 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 82 [2019-09-08 10:25:45,562 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 10:25:46,234 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 58 [2019-09-08 10:25:46,721 WARN L188 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 69 [2019-09-08 10:25:46,977 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 63 [2019-09-08 10:25:48,189 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 61 [2019-09-08 10:25:48,700 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 64 [2019-09-08 10:25:48,935 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2019-09-08 10:25:50,431 WARN L188 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 70 [2019-09-08 10:25:50,674 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 64 [2019-09-08 10:25:50,966 WARN L188 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 72 [2019-09-08 10:25:51,207 WARN L188 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 66 [2019-09-08 10:25:52,703 WARN L188 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 67 [2019-09-08 10:25:53,378 WARN L188 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-08 10:25:53,942 WARN L188 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 72 [2019-09-08 10:25:54,161 WARN L188 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 70 [2019-09-08 10:25:54,388 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 63 [2019-09-08 10:25:54,606 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-09-08 10:25:55,233 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 63 [2019-09-08 10:25:55,564 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-09-08 10:25:56,301 WARN L188 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 10:25:56,706 WARN L188 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 69 [2019-09-08 10:25:56,939 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 67 [2019-09-08 10:25:57,222 WARN L188 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 73 [2019-09-08 10:25:57,480 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 67 [2019-09-08 10:25:57,837 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 75 [2019-09-08 10:25:58,109 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2019-09-08 10:25:58,373 WARN L188 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 72 [2019-09-08 10:25:58,607 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 70 [2019-09-08 10:25:58,857 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 61 [2019-09-08 10:25:59,069 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 59 [2019-09-08 10:25:59,702 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2019-09-08 10:26:00,085 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 57 [2019-09-08 10:26:00,357 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2019-09-08 10:26:00,713 WARN L188 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-08 10:26:01,222 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-09-08 10:26:01,514 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-09-08 10:26:02,704 WARN L188 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 76 [2019-09-08 10:26:03,143 WARN L188 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2019-09-08 10:26:03,641 WARN L188 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 67 [2019-09-08 10:26:03,902 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 65 [2019-09-08 10:26:04,175 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 64 [2019-09-08 10:26:04,417 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 71 [2019-09-08 10:26:04,566 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2019-09-08 10:26:04,792 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 69 [2019-09-08 10:26:04,987 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-09-08 10:26:05,164 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-09-08 10:26:05,392 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 62 [2019-09-08 10:26:05,602 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2019-09-08 10:26:06,243 WARN L188 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 64 [2019-09-08 10:26:06,422 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-08 10:26:06,996 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 61 [2019-09-08 10:26:07,156 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 55 [2019-09-08 10:26:07,671 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 79 [2019-09-08 10:26:07,905 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 67 [2019-09-08 10:26:08,137 WARN L188 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 74 [2019-09-08 10:26:08,384 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2019-09-08 10:26:08,621 WARN L188 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-09-08 10:26:08,770 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 61 [2019-09-08 10:26:09,000 WARN L188 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 72 [2019-09-08 10:26:09,217 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2019-09-08 10:26:09,430 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-09-08 10:26:09,613 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 64 [2019-09-08 10:26:10,126 WARN L188 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2019-09-08 10:26:10,376 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-08 10:26:10,902 WARN L188 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 64 [2019-09-08 10:26:11,129 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 62 [2019-09-08 10:26:11,508 WARN L188 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 71 [2019-09-08 10:26:11,966 WARN L188 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2019-09-08 10:26:12,380 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 58 [2019-09-08 10:26:12,620 WARN L188 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-08 10:26:13,032 WARN L188 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 67 [2019-09-08 10:26:13,248 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-08 10:26:13,883 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2019-09-08 10:26:14,271 WARN L188 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2019-09-08 10:26:14,526 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2019-09-08 10:26:14,840 WARN L188 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 68 [2019-09-08 10:26:15,100 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 66 [2019-09-08 10:26:15,376 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-09-08 10:26:15,596 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2019-09-08 10:26:15,854 WARN L188 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 76 [2019-09-08 10:26:16,095 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 69 [2019-09-08 10:26:16,332 WARN L188 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 10:26:16,551 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2019-09-08 10:26:16,797 WARN L188 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2019-09-08 10:26:17,017 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2019-09-08 10:26:17,221 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-08 10:26:17,472 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2019-09-08 10:26:17,652 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2019-09-08 10:26:18,017 WARN L188 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 65 [2019-09-08 10:26:18,777 WARN L188 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2019-09-08 10:26:19,125 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2019-09-08 10:26:19,341 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-08 10:26:19,589 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 61 [2019-09-08 10:26:19,872 WARN L188 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-08 10:26:20,543 WARN L188 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 77 [2019-09-08 10:26:20,807 WARN L188 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2019-09-08 10:26:21,235 WARN L188 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2019-09-08 10:26:21,498 WARN L188 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 64 [2019-09-08 10:26:21,792 WARN L188 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 70 [2019-09-08 10:26:21,999 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 59 [2019-09-08 10:26:22,246 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 68 [2019-09-08 10:26:22,816 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-08 10:26:23,056 WARN L188 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 10:26:23,230 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 63 [2019-09-08 10:26:23,448 WARN L188 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 67 [2019-09-08 10:26:23,678 WARN L188 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 69 [2019-09-08 10:26:23,911 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-08 10:26:24,289 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 65 [2019-09-08 10:26:24,494 WARN L188 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2019-09-08 10:26:24,757 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2019-09-08 10:26:25,314 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 65 [2019-09-08 10:26:25,550 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 63 [2019-09-08 10:26:26,020 WARN L188 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 69 [2019-09-08 10:26:26,335 WARN L188 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 63 [2019-09-08 10:26:27,036 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 57 [2019-09-08 10:26:27,258 WARN L188 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2019-09-08 10:26:27,568 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-08 10:26:27,803 WARN L188 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-08 10:26:28,029 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-08 10:26:28,499 WARN L188 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 71 [2019-09-08 10:26:28,843 WARN L188 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 69 [2019-09-08 10:26:29,081 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2019-09-08 10:26:29,314 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-09-08 10:26:29,535 WARN L188 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-09-08 10:26:29,847 WARN L188 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2019-09-08 10:26:30,116 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 62 [2019-09-08 10:26:30,682 WARN L188 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 82 [2019-09-08 10:26:30,922 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2019-09-08 10:26:31,159 WARN L188 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2019-09-08 10:26:31,400 WARN L188 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-09-08 10:26:31,670 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 10:26:31,824 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-09-08 10:26:32,080 WARN L188 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 75 [2019-09-08 10:26:32,267 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2019-09-08 10:26:32,495 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 68 [2019-09-08 10:26:32,707 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2019-09-08 10:26:32,930 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-08 10:26:33,299 WARN L188 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2019-09-08 10:26:33,554 WARN L188 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 69 [2019-09-08 10:26:33,785 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2019-09-08 10:26:34,002 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 61 [2019-09-08 10:26:34,202 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 59 [2019-09-08 10:26:34,441 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2019-09-08 10:26:35,464 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 63 [2019-09-08 10:26:35,785 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2019-09-08 10:26:35,989 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2019-09-08 10:26:36,225 WARN L188 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-08 10:26:36,564 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 61 [2019-09-08 10:26:36,831 WARN L188 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 10:26:37,209 WARN L188 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-08 10:26:37,729 WARN L188 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 10:26:37,980 WARN L188 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 72 [2019-09-08 10:26:38,227 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 70 [2019-09-08 10:26:38,548 WARN L188 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 71 [2019-09-08 10:26:38,819 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 66 [2019-09-08 10:26:39,015 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2019-09-08 10:26:39,263 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 69 [2019-09-08 10:26:39,524 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 60 [2019-09-08 10:26:40,063 WARN L188 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 71 [2019-09-08 10:26:40,255 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 60 [2019-09-08 10:26:40,533 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 69 [2019-09-08 10:26:41,064 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-09-08 10:26:41,252 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-09-08 10:26:41,532 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 72 [2019-09-08 10:26:41,790 WARN L188 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-08 10:26:41,956 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-09-08 10:26:42,262 WARN L188 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2019-09-08 10:26:42,528 WARN L188 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 77 [2019-09-08 10:26:42,739 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2019-09-08 10:26:42,979 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 66 [2019-09-08 10:26:43,196 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 10:26:43,612 WARN L188 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 76 [2019-09-08 10:26:43,850 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 71 [2019-09-08 10:26:44,101 WARN L188 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 10:26:44,416 WARN L188 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 75 [2019-09-08 10:26:44,680 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2019-09-08 10:26:44,926 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 63 [2019-09-08 10:26:45,589 WARN L188 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 65 [2019-09-08 10:26:45,817 WARN L188 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 63 [2019-09-08 10:26:46,677 WARN L188 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 57 [2019-09-08 10:26:46,940 WARN L188 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2019-09-08 10:26:47,281 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-08 10:26:47,548 WARN L188 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 67 [2019-09-08 10:26:47,923 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-08 10:26:48,152 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 64 [2019-09-08 10:26:48,452 WARN L188 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 10:26:49,047 WARN L188 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2019-09-08 10:26:49,447 WARN L188 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2019-09-08 10:26:49,687 WARN L188 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2019-09-08 10:26:49,968 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 67 [2019-09-08 10:26:50,244 WARN L188 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 65 [2019-09-08 10:26:50,568 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2019-09-08 10:26:50,838 WARN L188 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2019-09-08 10:26:51,073 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 62 [2019-09-08 10:26:51,651 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-08 10:26:51,948 WARN L188 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2019-09-08 10:26:52,131 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 59 [2019-09-08 10:26:52,508 WARN L188 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-09-08 10:26:52,807 WARN L188 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2019-09-08 10:26:53,406 WARN L188 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 77 [2019-09-08 10:26:53,675 WARN L188 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 71 [2019-09-08 10:26:54,027 WARN L188 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 67 [2019-09-08 10:26:54,207 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2019-09-08 10:26:54,767 WARN L188 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 70 [2019-09-08 10:26:55,129 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 72 [2019-09-08 10:26:55,430 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 64 [2019-09-08 10:26:55,765 WARN L188 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 66 [2019-09-08 10:26:56,400 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2019-09-08 10:26:56,668 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 61 [2019-09-08 10:26:56,993 WARN L188 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 70 [2019-09-08 10:26:57,455 WARN L188 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-08 10:26:57,939 WARN L188 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 76 [2019-09-08 10:26:58,196 WARN L188 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 10:26:58,451 WARN L188 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2019-09-08 10:26:58,815 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 69 [2019-09-08 10:26:59,079 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 67 [2019-09-08 10:26:59,327 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2019-09-08 10:26:59,568 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 65 [2019-09-08 10:26:59,725 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-09-08 10:27:00,299 WARN L188 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 69 [2019-09-08 10:27:00,580 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 63 [2019-09-08 10:27:00,872 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 56 [2019-09-08 10:27:01,415 WARN L188 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 71 [2019-09-08 10:27:01,682 WARN L188 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 69 [2019-09-08 10:27:02,053 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 62 [2019-09-08 10:27:02,213 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-09-08 10:27:02,402 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 67 [2019-09-08 10:27:02,898 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 61 [2019-09-08 10:27:03,065 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-09-08 10:27:03,244 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2019-09-08 10:27:03,468 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 64 [2019-09-08 10:27:03,691 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 62 [2019-09-08 10:27:04,293 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2019-09-08 10:27:04,637 WARN L188 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 64 [2019-09-08 10:27:05,427 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 64 [2019-09-08 10:27:06,188 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 10:27:06,463 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2019-09-08 10:27:06,695 WARN L188 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-08 10:27:07,027 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 64 [2019-09-08 10:27:07,207 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2019-09-08 10:27:07,507 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 63 [2019-09-08 10:27:07,937 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 63 [2019-09-08 10:27:08,257 WARN L188 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 73 [2019-09-08 10:27:08,718 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 67 [2019-09-08 10:27:09,266 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 70 [2019-09-08 10:27:09,453 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 64 [2019-09-08 10:27:09,646 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 67 [2019-09-08 10:27:09,823 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 61 [2019-09-08 10:27:10,098 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2019-09-08 10:27:10,641 WARN L188 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2019-09-08 10:27:10,896 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 66 [2019-09-08 10:27:12,593 WARN L188 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-08 10:27:12,879 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 69 [2019-09-08 10:27:13,161 WARN L188 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 10:27:13,641 WARN L188 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 70 [2019-09-08 10:27:13,864 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 59 [2019-09-08 10:27:14,139 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 68 [2019-09-08 10:27:15,133 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 70 [2019-09-08 10:27:15,598 WARN L188 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2019-09-08 10:27:16,047 WARN L188 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 73 [2019-09-08 10:27:16,360 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 66 [2019-09-08 10:27:16,759 WARN L188 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 67 [2019-09-08 10:27:17,045 WARN L188 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 60 [2019-09-08 10:27:17,597 WARN L188 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 77 [2019-09-08 10:27:18,897 WARN L188 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 72 [2019-09-08 10:27:19,205 WARN L188 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-08 10:27:19,566 WARN L188 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 77 [2019-09-08 10:27:19,818 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2019-09-08 10:27:20,054 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-08 10:27:20,400 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 59 [2019-09-08 10:27:20,949 WARN L188 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 72 [2019-09-08 10:27:21,226 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 66 [2019-09-08 10:27:21,758 WARN L188 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 74 [2019-09-08 10:27:21,965 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 63 [2019-09-08 10:27:22,297 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 72 [2019-09-08 10:27:22,512 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 57 [2019-09-08 10:27:23,006 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2019-09-08 10:27:23,475 WARN L188 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2019-09-08 10:27:23,886 WARN L188 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 69 [2019-09-08 10:27:24,463 WARN L188 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2019-09-08 10:27:24,858 WARN L188 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 63 [2019-09-08 10:27:25,139 WARN L188 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2019-09-08 10:27:25,637 WARN L188 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 71 [2019-09-08 10:27:26,725 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2019-09-08 10:27:26,996 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 66 [2019-09-08 10:27:27,266 WARN L188 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 10:27:27,568 WARN L188 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 71 [2019-09-08 10:27:28,352 WARN L188 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 76 [2019-09-08 10:27:28,647 WARN L188 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 70 [2019-09-08 10:27:29,336 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2019-09-08 10:27:30,287 WARN L188 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 73 [2019-09-08 10:27:30,659 WARN L188 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 67 [2019-09-08 10:27:31,815 WARN L188 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2019-09-08 10:27:32,293 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 62 [2019-09-08 10:27:33,945 WARN L188 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 69 [2019-09-08 10:27:34,302 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2019-09-08 10:27:35,930 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 66 [2019-09-08 10:27:36,143 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 60 [2019-09-08 10:27:36,524 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 49 [2019-09-08 10:27:37,780 WARN L188 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 72 [2019-09-08 10:27:38,218 WARN L188 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 66 [2019-09-08 10:27:39,557 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 52 [2019-09-08 10:27:40,695 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 53 [2019-09-08 10:27:40,909 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2019-09-08 10:27:41,964 WARN L188 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 76 [2019-09-08 10:27:42,437 WARN L188 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 70 [2019-09-08 10:27:43,810 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-09-08 10:27:44,006 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 56 [2019-09-08 10:27:44,340 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 50 [2019-09-08 10:27:47,569 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2019-09-08 10:27:50,594 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 64 [2019-09-08 10:27:52,883 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-08 10:27:53,499 WARN L188 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2019-09-08 10:27:54,797 WARN L188 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 68 [2019-09-08 10:27:55,060 WARN L188 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2019-09-08 10:28:02,120 WARN L188 SmtUtils]: Spent 5.77 s on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2019-09-08 10:28:02,581 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-08 10:28:05,310 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2019-09-08 10:28:07,035 WARN L188 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2019-09-08 10:28:07,394 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 73 [2019-09-08 10:28:07,717 WARN L188 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2019-09-08 10:28:09,320 WARN L188 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2019-09-08 10:28:09,518 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2019-09-08 10:28:09,956 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2019-09-08 10:28:11,154 WARN L188 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 77 [2019-09-08 10:28:11,519 WARN L188 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 75 [2019-09-08 10:28:12,092 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2019-09-08 10:28:12,548 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2019-09-08 10:28:12,836 WARN L188 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 71 [2019-09-08 10:28:13,056 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-09-08 10:28:13,343 WARN L188 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2019-09-08 10:28:14,958 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2019-09-08 10:28:15,156 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2019-09-08 10:28:15,452 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 64 [2019-09-08 10:28:15,690 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-08 10:28:15,924 WARN L188 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-08 10:28:16,983 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 50 [2019-09-08 10:28:17,922 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 51 [2019-09-08 10:28:18,246 WARN L188 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 71 [2019-09-08 10:28:18,448 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 49 [2019-09-08 10:28:18,711 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2019-09-08 10:28:19,073 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-08 10:28:20,798 WARN L188 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2019-09-08 10:28:21,055 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-08 10:28:21,282 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2019-09-08 10:28:22,644 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 54 [2019-09-08 10:28:22,970 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 74 [2019-09-08 10:28:23,313 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 52 [2019-09-08 10:28:23,927 WARN L188 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 65 [2019-09-08 10:28:24,213 WARN L188 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 63 [2019-09-08 10:28:24,604 WARN L188 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 68 [2019-09-08 10:28:24,876 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 71 [2019-09-08 10:28:25,158 WARN L188 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2019-09-08 10:28:26,727 WARN L188 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-08 10:28:27,772 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2019-09-08 10:28:28,048 WARN L188 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2019-09-08 10:28:28,521 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2019-09-08 10:28:29,211 WARN L188 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 66 [2019-09-08 10:28:29,486 WARN L188 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2019-09-08 10:28:29,887 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 61 [2019-09-08 10:28:30,144 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 61 [2019-09-08 10:28:30,606 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 62 [2019-09-08 10:28:31,025 WARN L188 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-09-08 10:28:33,364 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 49 [2019-09-08 10:28:33,653 WARN L188 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2019-09-08 10:28:34,169 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 69 [2019-09-08 10:28:34,449 WARN L188 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2019-09-08 10:28:34,906 WARN L188 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2019-09-08 10:28:35,165 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 64 [2019-09-08 10:28:35,435 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 64 [2019-09-08 10:28:35,884 WARN L188 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 73 [2019-09-08 10:28:37,171 WARN L188 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-08 10:28:37,425 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-08 10:28:37,826 WARN L188 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 68 [2019-09-08 10:28:39,371 WARN L188 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2019-09-08 10:28:39,572 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2019-09-08 10:28:39,870 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-08 10:28:40,404 WARN L188 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 52 [2019-09-08 10:28:40,633 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-08 10:28:40,929 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2019-09-08 10:28:41,675 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 43 [2019-09-08 10:28:41,889 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 53 [2019-09-08 10:28:42,218 WARN L188 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2019-09-08 10:28:43,730 WARN L188 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 77 [2019-09-08 10:28:43,915 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2019-09-08 10:28:44,272 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 75 [2019-09-08 10:28:44,576 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 62 [2019-09-08 10:28:44,812 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-09-08 10:28:46,743 WARN L188 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2019-09-08 10:28:46,949 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2019-09-08 10:28:47,270 WARN L188 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2019-09-08 10:28:47,505 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-08 10:28:47,759 WARN L188 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-08 10:28:48,234 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-09-08 10:28:48,479 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 46 [2019-09-08 10:28:48,699 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 56 [2019-09-08 10:28:48,970 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-08 10:28:49,217 WARN L188 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-08 10:28:49,563 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2019-09-08 10:28:50,227 WARN L188 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 76 [2019-09-08 10:28:50,445 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2019-09-08 10:28:50,930 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 64 [2019-09-08 10:28:51,520 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2019-09-08 10:28:51,839 WARN L188 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-09-08 10:28:52,793 WARN L188 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 74 [2019-09-08 10:28:53,115 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-08 10:28:53,838 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-08 10:28:55,531 WARN L188 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2019-09-08 10:28:55,815 WARN L188 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-08 10:28:56,137 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-08 10:28:56,577 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2019-09-08 10:28:56,733 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2019-09-08 10:28:57,193 WARN L188 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 79 [2019-09-08 10:28:57,407 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 50 [2019-09-08 10:28:57,844 WARN L188 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-08 10:28:58,238 WARN L188 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-08 10:28:58,430 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2019-09-08 10:28:58,736 WARN L188 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2019-09-08 10:28:59,673 WARN L188 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 70 [2019-09-08 10:28:59,982 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2019-09-08 10:29:00,505 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2019-09-08 10:29:00,764 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2019-09-08 10:29:03,409 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-08 10:29:03,832 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2019-09-08 10:29:04,259 WARN L188 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 73 [2019-09-08 10:29:04,583 WARN L188 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2019-09-08 10:29:05,019 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-08 10:29:05,595 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 61 [2019-09-08 10:29:06,088 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-08 10:29:06,343 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-08 10:29:07,103 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 69 [2019-09-08 10:29:07,384 WARN L188 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2019-09-08 10:29:07,673 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 64 [2019-09-08 10:29:07,965 WARN L188 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 64 [2019-09-08 10:29:10,669 WARN L188 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 64 [2019-09-08 10:29:11,491 WARN L188 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 80 [2019-09-08 10:29:11,879 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 78 [2019-09-08 10:29:12,783 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2019-09-08 10:29:13,074 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2019-09-08 10:29:20,718 WARN L188 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 79 [2019-09-08 10:29:21,579 WARN L188 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 76 [2019-09-08 10:29:25,692 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 73 [2019-09-08 10:29:26,087 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 71 [2019-09-08 10:29:26,449 WARN L188 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 69 [2019-09-08 10:29:27,019 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2019-09-08 10:29:31,025 WARN L188 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 72 [2019-09-08 10:29:31,347 WARN L188 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2019-09-08 10:29:31,656 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 67 [2019-09-08 10:29:31,953 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2019-09-08 10:29:34,127 WARN L188 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2019-09-08 10:29:34,545 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 64 [2019-09-08 10:29:37,331 WARN L188 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2019-09-08 10:29:40,097 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 63 [2019-09-08 10:29:41,257 WARN L188 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2019-09-08 10:29:41,645 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 76 [2019-09-08 10:29:42,858 WARN L188 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 82 [2019-09-08 10:29:43,678 WARN L188 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 76 [2019-09-08 10:29:47,269 WARN L188 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2019-09-08 10:29:47,756 WARN L188 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2019-09-08 10:30:02,424 WARN L188 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 79 [2019-09-08 10:30:02,946 WARN L188 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 67 [2019-09-08 10:30:03,234 WARN L188 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-08 10:30:06,158 WARN L188 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 70 [2019-09-08 10:30:06,478 WARN L188 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 10:30:09,446 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 63 [2019-09-08 10:30:12,630 WARN L188 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 66 [2019-09-08 10:30:14,034 WARN L188 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 69 [2019-09-08 10:30:15,834 WARN L188 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 73 [2019-09-08 10:30:16,304 WARN L188 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 71 [2019-09-08 10:30:18,178 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 63 [2019-09-08 10:30:18,513 WARN L188 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 72 [2019-09-08 10:30:18,725 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2019-09-08 10:30:20,649 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-09-08 10:30:22,238 WARN L188 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 66 [2019-09-08 10:30:22,515 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-09-08 10:30:24,240 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 69 [2019-09-08 10:30:24,772 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-08 10:30:27,833 WARN L188 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 76 [2019-09-08 10:30:28,419 WARN L188 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74