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.4.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 11:49:45,056 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 11:49:45,058 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 11:49:45,076 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-08 11:49:45,099 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 11:49:45,101 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 11:49:45,103 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 11:49:45,104 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 11:49:45,106 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 11:49:45,107 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 11:49:45,109 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 11:49:45,114 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 11:49:45,118 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 11:49:45,120 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 11:49:45,122 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 11:49:45,123 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 11:49:45,125 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-08 11:49:45,130 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 11:49:45,131 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 11:49:45,132 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 11:49:45,133 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 11:49:45,135 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 11:49:45,135 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 11:49:45,136 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 11:49:45,136 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 11:49:45,136 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 11:49:45,137 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 11:49:45,138 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 11:49:45,139 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 11:49:45,174 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 11:49:45,175 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 11:49:45,177 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 11:49:45,177 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 11:49:45,177 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 11:49:45,178 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 11:49:45,178 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 11:49:45,178 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 11:49:45,178 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 11:49:45,179 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 11:49:45,179 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 11:49:45,179 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 11:49:45,180 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 11:49:45,180 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 11:49:45,181 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 11:49:45,181 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 11:49:45,181 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 11:49:45,181 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 11:49:45,181 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 11:49:45,182 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 11:49:45,182 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 11:49:45,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 11:49:45,182 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 11:49:45,182 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 11:49:45,183 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 11:49:45,183 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 11:49:45,183 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 11:49:45,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 11:49:45,183 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 11:49:45,220 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 11:49:45,232 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 11:49:45,236 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 11:49:45,237 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 11:49:45,238 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 11:49:45,238 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2019-09-08 11:49:45,300 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f5902c9b/f9f7baf7db764f928c863409c903901f/FLAGff193bcfc [2019-09-08 11:49:45,819 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 11:49:45,820 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2019-09-08 11:49:45,829 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f5902c9b/f9f7baf7db764f928c863409c903901f/FLAGff193bcfc [2019-09-08 11:49:46,157 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f5902c9b/f9f7baf7db764f928c863409c903901f [2019-09-08 11:49:46,167 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 11:49:46,168 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 11:49:46,169 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 11:49:46,170 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 11:49:46,172 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 11:49:46,173 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 11:49:46" (1/1) ... [2019-09-08 11:49:46,175 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76c484b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:49:46, skipping insertion in model container [2019-09-08 11:49:46,176 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 11:49:46" (1/1) ... [2019-09-08 11:49:46,183 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 11:49:46,232 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 11:49:46,469 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 11:49:46,482 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 11:49:46,623 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 11:49:46,650 INFO L192 MainTranslator]: Completed translation [2019-09-08 11:49:46,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:49:46 WrapperNode [2019-09-08 11:49:46,651 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 11:49:46,652 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 11:49:46,652 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 11:49:46,652 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 11:49:46,664 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:49:46" (1/1) ... [2019-09-08 11:49:46,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:49:46" (1/1) ... [2019-09-08 11:49:46,673 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:49:46" (1/1) ... [2019-09-08 11:49:46,673 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:49:46" (1/1) ... [2019-09-08 11:49:46,684 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:49:46" (1/1) ... [2019-09-08 11:49:46,691 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:49:46" (1/1) ... [2019-09-08 11:49:46,694 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:49:46" (1/1) ... [2019-09-08 11:49:46,698 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 11:49:46,698 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 11:49:46,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 11:49:46,699 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 11:49:46,699 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:49:46" (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 11:49:46,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 11:49:46,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 11:49:46,756 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 11:49:46,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 11:49:46,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-08 11:49:46,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-08 11:49:46,757 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-08 11:49:46,757 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-08 11:49:46,757 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-08 11:49:46,757 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-08 11:49:46,757 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-08 11:49:46,757 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-08 11:49:46,758 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-08 11:49:46,758 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-08 11:49:46,758 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-08 11:49:46,758 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-08 11:49:46,758 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 11:49:46,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 11:49:46,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 11:49:47,302 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 11:49:47,303 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-08 11:49:47,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 11:49:47 BoogieIcfgContainer [2019-09-08 11:49:47,304 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 11:49:47,305 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 11:49:47,305 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 11:49:47,308 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 11:49:47,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 11:49:46" (1/3) ... [2019-09-08 11:49:47,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d750396 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 11:49:47, skipping insertion in model container [2019-09-08 11:49:47,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:49:46" (2/3) ... [2019-09-08 11:49:47,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d750396 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 11:49:47, skipping insertion in model container [2019-09-08 11:49:47,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 11:49:47" (3/3) ... [2019-09-08 11:49:47,312 INFO L109 eAbstractionObserver]: Analyzing ICFG pals_lcr.4.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2019-09-08 11:49:47,322 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 11:49:47,330 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 11:49:47,346 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 11:49:47,374 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 11:49:47,374 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 11:49:47,374 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 11:49:47,375 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 11:49:47,375 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 11:49:47,375 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 11:49:47,375 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 11:49:47,375 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 11:49:47,375 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 11:49:47,395 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states. [2019-09-08 11:49:47,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-08 11:49:47,405 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:49:47,406 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:49:47,408 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:49:47,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:49:47,414 INFO L82 PathProgramCache]: Analyzing trace with hash -808091589, now seen corresponding path program 1 times [2019-09-08 11:49:47,415 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:49:47,415 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:49:47,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:49:47,470 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:49:47,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:49:47,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:49:47,785 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 11:49:47,788 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:49:47,789 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 11:49:47,793 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 11:49:47,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 11:49:47,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:49:47,811 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 3 states. [2019-09-08 11:49:47,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:49:47,884 INFO L93 Difference]: Finished difference Result 184 states and 293 transitions. [2019-09-08 11:49:47,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 11:49:47,886 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2019-09-08 11:49:47,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:49:47,898 INFO L225 Difference]: With dead ends: 184 [2019-09-08 11:49:47,899 INFO L226 Difference]: Without dead ends: 122 [2019-09-08 11:49:47,903 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 11:49:47,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2019-09-08 11:49:47,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 120. [2019-09-08 11:49:47,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2019-09-08 11:49:47,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 173 transitions. [2019-09-08 11:49:47,956 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 173 transitions. Word has length 51 [2019-09-08 11:49:47,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:49:47,957 INFO L475 AbstractCegarLoop]: Abstraction has 120 states and 173 transitions. [2019-09-08 11:49:47,957 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 11:49:47,957 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 173 transitions. [2019-09-08 11:49:47,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-08 11:49:47,959 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:49:47,959 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:49:47,960 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:49:47,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:49:47,960 INFO L82 PathProgramCache]: Analyzing trace with hash 611188033, now seen corresponding path program 1 times [2019-09-08 11:49:47,961 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:49:47,961 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:49:47,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:49:47,963 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:49:47,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:49:48,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:49:48,125 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 11:49:48,126 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:49:48,126 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 11:49:48,130 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 11:49:48,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 11:49:48,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:49:48,131 INFO L87 Difference]: Start difference. First operand 120 states and 173 transitions. Second operand 3 states. [2019-09-08 11:49:48,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:49:48,194 INFO L93 Difference]: Finished difference Result 284 states and 433 transitions. [2019-09-08 11:49:48,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 11:49:48,195 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-09-08 11:49:48,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:49:48,198 INFO L225 Difference]: With dead ends: 284 [2019-09-08 11:49:48,199 INFO L226 Difference]: Without dead ends: 194 [2019-09-08 11:49:48,200 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 11:49:48,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2019-09-08 11:49:48,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 192. [2019-09-08 11:49:48,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2019-09-08 11:49:48,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 287 transitions. [2019-09-08 11:49:48,251 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 287 transitions. Word has length 52 [2019-09-08 11:49:48,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:49:48,251 INFO L475 AbstractCegarLoop]: Abstraction has 192 states and 287 transitions. [2019-09-08 11:49:48,251 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 11:49:48,252 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 287 transitions. [2019-09-08 11:49:48,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-09-08 11:49:48,255 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:49:48,255 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:49:48,256 INFO L418 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:49:48,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:49:48,256 INFO L82 PathProgramCache]: Analyzing trace with hash 253553889, now seen corresponding path program 1 times [2019-09-08 11:49:48,256 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:49:48,257 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:49:48,258 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:49:48,259 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:49:48,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:49:48,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:49:48,338 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 11:49:48,338 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:49:48,339 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 11:49:48,339 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 11:49:48,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 11:49:48,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:49:48,340 INFO L87 Difference]: Start difference. First operand 192 states and 287 transitions. Second operand 3 states. [2019-09-08 11:49:48,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:49:48,390 INFO L93 Difference]: Finished difference Result 484 states and 749 transitions. [2019-09-08 11:49:48,391 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 11:49:48,391 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-09-08 11:49:48,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:49:48,394 INFO L225 Difference]: With dead ends: 484 [2019-09-08 11:49:48,395 INFO L226 Difference]: Without dead ends: 322 [2019-09-08 11:49:48,396 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 11:49:48,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2019-09-08 11:49:48,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 320. [2019-09-08 11:49:48,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2019-09-08 11:49:48,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 487 transitions. [2019-09-08 11:49:48,447 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 487 transitions. Word has length 53 [2019-09-08 11:49:48,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:49:48,448 INFO L475 AbstractCegarLoop]: Abstraction has 320 states and 487 transitions. [2019-09-08 11:49:48,448 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 11:49:48,448 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 487 transitions. [2019-09-08 11:49:48,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-09-08 11:49:48,450 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:49:48,455 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:49:48,455 INFO L418 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:49:48,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:49:48,456 INFO L82 PathProgramCache]: Analyzing trace with hash 1053117289, now seen corresponding path program 1 times [2019-09-08 11:49:48,456 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:49:48,456 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:49:48,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:49:48,458 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:49:48,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:49:48,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:49:48,548 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 11:49:48,548 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:49:48,549 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 11:49:48,549 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 11:49:48,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 11:49:48,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:49:48,551 INFO L87 Difference]: Start difference. First operand 320 states and 487 transitions. Second operand 3 states. [2019-09-08 11:49:48,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:49:48,634 INFO L93 Difference]: Finished difference Result 836 states and 1297 transitions. [2019-09-08 11:49:48,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 11:49:48,634 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2019-09-08 11:49:48,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:49:48,641 INFO L225 Difference]: With dead ends: 836 [2019-09-08 11:49:48,641 INFO L226 Difference]: Without dead ends: 546 [2019-09-08 11:49:48,649 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 11:49:48,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 546 states. [2019-09-08 11:49:48,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 546 to 544. [2019-09-08 11:49:48,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 544 states. [2019-09-08 11:49:48,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 831 transitions. [2019-09-08 11:49:48,705 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 831 transitions. Word has length 54 [2019-09-08 11:49:48,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:49:48,705 INFO L475 AbstractCegarLoop]: Abstraction has 544 states and 831 transitions. [2019-09-08 11:49:48,706 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 11:49:48,706 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 831 transitions. [2019-09-08 11:49:48,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-09-08 11:49:48,707 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:49:48,707 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:49:48,708 INFO L418 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:49:48,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:49:48,708 INFO L82 PathProgramCache]: Analyzing trace with hash -935080225, now seen corresponding path program 1 times [2019-09-08 11:49:48,708 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:49:48,708 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:49:48,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:49:48,710 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:49:48,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:49:48,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:49:48,812 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 11:49:48,813 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:49:48,813 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 11:49:48,813 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 11:49:48,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 11:49:48,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 11:49:48,814 INFO L87 Difference]: Start difference. First operand 544 states and 831 transitions. Second operand 5 states. [2019-09-08 11:49:48,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:49:48,963 INFO L93 Difference]: Finished difference Result 1058 states and 1632 transitions. [2019-09-08 11:49:48,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 11:49:48,966 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 55 [2019-09-08 11:49:48,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:49:48,971 INFO L225 Difference]: With dead ends: 1058 [2019-09-08 11:49:48,971 INFO L226 Difference]: Without dead ends: 544 [2019-09-08 11:49:48,972 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 11:49:48,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2019-09-08 11:49:49,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 544. [2019-09-08 11:49:49,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 544 states. [2019-09-08 11:49:49,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 823 transitions. [2019-09-08 11:49:49,021 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 823 transitions. Word has length 55 [2019-09-08 11:49:49,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:49:49,023 INFO L475 AbstractCegarLoop]: Abstraction has 544 states and 823 transitions. [2019-09-08 11:49:49,023 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 11:49:49,024 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 823 transitions. [2019-09-08 11:49:49,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-09-08 11:49:49,030 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:49:49,030 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:49:49,031 INFO L418 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:49:49,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:49:49,031 INFO L82 PathProgramCache]: Analyzing trace with hash 1895815514, now seen corresponding path program 1 times [2019-09-08 11:49:49,031 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:49:49,032 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:49:49,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:49:49,034 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:49:49,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:49:49,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:49:49,171 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 11:49:49,171 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:49:49,172 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 11:49:49,172 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 11:49:49,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 11:49:49,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 11:49:49,173 INFO L87 Difference]: Start difference. First operand 544 states and 823 transitions. Second operand 5 states. [2019-09-08 11:49:49,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:49:49,317 INFO L93 Difference]: Finished difference Result 1058 states and 1616 transitions. [2019-09-08 11:49:49,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 11:49:49,318 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 55 [2019-09-08 11:49:49,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:49:49,322 INFO L225 Difference]: With dead ends: 1058 [2019-09-08 11:49:49,322 INFO L226 Difference]: Without dead ends: 544 [2019-09-08 11:49:49,323 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 11:49:49,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2019-09-08 11:49:49,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 544. [2019-09-08 11:49:49,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 544 states. [2019-09-08 11:49:49,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 815 transitions. [2019-09-08 11:49:49,361 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 815 transitions. Word has length 55 [2019-09-08 11:49:49,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:49:49,362 INFO L475 AbstractCegarLoop]: Abstraction has 544 states and 815 transitions. [2019-09-08 11:49:49,362 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 11:49:49,362 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 815 transitions. [2019-09-08 11:49:49,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-09-08 11:49:49,363 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:49:49,363 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:49:49,363 INFO L418 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:49:49,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:49:49,364 INFO L82 PathProgramCache]: Analyzing trace with hash 53784981, now seen corresponding path program 1 times [2019-09-08 11:49:49,364 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:49:49,364 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:49:49,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:49:49,366 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:49:49,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:49:49,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:49:49,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:49:49,493 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:49:49,493 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 11:49:49,493 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 11:49:49,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 11:49:49,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-09-08 11:49:49,495 INFO L87 Difference]: Start difference. First operand 544 states and 815 transitions. Second operand 6 states. [2019-09-08 11:49:49,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:49:49,842 INFO L93 Difference]: Finished difference Result 3114 states and 4740 transitions. [2019-09-08 11:49:49,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 11:49:49,844 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2019-09-08 11:49:49,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:49:49,860 INFO L225 Difference]: With dead ends: 3114 [2019-09-08 11:49:49,860 INFO L226 Difference]: Without dead ends: 2600 [2019-09-08 11:49:49,864 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2019-09-08 11:49:49,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2600 states. [2019-09-08 11:49:49,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2600 to 1056. [2019-09-08 11:49:49,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1056 states. [2019-09-08 11:49:49,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 1056 states and 1567 transitions. [2019-09-08 11:49:49,993 INFO L78 Accepts]: Start accepts. Automaton has 1056 states and 1567 transitions. Word has length 55 [2019-09-08 11:49:49,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:49:49,994 INFO L475 AbstractCegarLoop]: Abstraction has 1056 states and 1567 transitions. [2019-09-08 11:49:49,994 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 11:49:49,995 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1567 transitions. [2019-09-08 11:49:49,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-09-08 11:49:49,996 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:49:49,997 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:49:49,997 INFO L418 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:49:49,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:49:49,998 INFO L82 PathProgramCache]: Analyzing trace with hash -745433840, now seen corresponding path program 1 times [2019-09-08 11:49:49,998 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:49:49,998 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:49:49,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:49:50,000 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:49:50,000 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:49:50,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:49:50,089 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 11:49:50,090 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:49:50,090 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 11:49:50,091 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 11:49:50,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 11:49:50,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:49:50,091 INFO L87 Difference]: Start difference. First operand 1056 states and 1567 transitions. Second operand 3 states. [2019-09-08 11:49:50,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:49:50,245 INFO L93 Difference]: Finished difference Result 2582 states and 3843 transitions. [2019-09-08 11:49:50,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 11:49:50,246 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2019-09-08 11:49:50,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:49:50,257 INFO L225 Difference]: With dead ends: 2582 [2019-09-08 11:49:50,258 INFO L226 Difference]: Without dead ends: 1556 [2019-09-08 11:49:50,261 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 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 11:49:50,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1556 states. [2019-09-08 11:49:50,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1556 to 1554. [2019-09-08 11:49:50,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1554 states. [2019-09-08 11:49:50,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1554 states to 1554 states and 2273 transitions. [2019-09-08 11:49:50,448 INFO L78 Accepts]: Start accepts. Automaton has 1554 states and 2273 transitions. Word has length 57 [2019-09-08 11:49:50,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:49:50,449 INFO L475 AbstractCegarLoop]: Abstraction has 1554 states and 2273 transitions. [2019-09-08 11:49:50,449 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 11:49:50,449 INFO L276 IsEmpty]: Start isEmpty. Operand 1554 states and 2273 transitions. [2019-09-08 11:49:50,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-09-08 11:49:50,450 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:49:50,450 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:49:50,450 INFO L418 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:49:50,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:49:50,451 INFO L82 PathProgramCache]: Analyzing trace with hash -725384497, now seen corresponding path program 1 times [2019-09-08 11:49:50,451 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:49:50,451 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:49:50,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:49:50,452 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:49:50,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:49:50,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:49:50,701 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 11:49:50,701 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:49:50,701 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 11:49:50,702 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 11:49:50,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 11:49:50,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2019-09-08 11:49:50,702 INFO L87 Difference]: Start difference. First operand 1554 states and 2273 transitions. Second operand 6 states. [2019-09-08 11:49:51,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:49:51,072 INFO L93 Difference]: Finished difference Result 4594 states and 6789 transitions. [2019-09-08 11:49:51,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 11:49:51,073 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2019-09-08 11:49:51,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:49:51,091 INFO L225 Difference]: With dead ends: 4594 [2019-09-08 11:49:51,092 INFO L226 Difference]: Without dead ends: 3072 [2019-09-08 11:49:51,096 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2019-09-08 11:49:51,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3072 states. [2019-09-08 11:49:51,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3072 to 1554. [2019-09-08 11:49:51,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1554 states. [2019-09-08 11:49:51,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1554 states to 1554 states and 2249 transitions. [2019-09-08 11:49:51,307 INFO L78 Accepts]: Start accepts. Automaton has 1554 states and 2249 transitions. Word has length 57 [2019-09-08 11:49:51,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:49:51,307 INFO L475 AbstractCegarLoop]: Abstraction has 1554 states and 2249 transitions. [2019-09-08 11:49:51,307 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 11:49:51,307 INFO L276 IsEmpty]: Start isEmpty. Operand 1554 states and 2249 transitions. [2019-09-08 11:49:51,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-09-08 11:49:51,308 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:49:51,308 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:49:51,308 INFO L418 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:49:51,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:49:51,309 INFO L82 PathProgramCache]: Analyzing trace with hash -1013992321, now seen corresponding path program 1 times [2019-09-08 11:49:51,309 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:49:51,309 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:49:51,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:49:51,312 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:49:51,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:49:51,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:49:51,390 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 11:49:51,391 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:49:51,391 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 11:49:51,391 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 11:49:51,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 11:49:51,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 11:49:51,392 INFO L87 Difference]: Start difference. First operand 1554 states and 2249 transitions. Second operand 5 states. [2019-09-08 11:49:51,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:49:51,676 INFO L93 Difference]: Finished difference Result 2936 states and 4240 transitions. [2019-09-08 11:49:51,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 11:49:51,678 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2019-09-08 11:49:51,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:49:51,695 INFO L225 Difference]: With dead ends: 2936 [2019-09-08 11:49:51,695 INFO L226 Difference]: Without dead ends: 2934 [2019-09-08 11:49:51,697 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 11:49:51,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2934 states. [2019-09-08 11:49:51,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2934 to 1634. [2019-09-08 11:49:51,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1634 states. [2019-09-08 11:49:51,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1634 states to 1634 states and 2321 transitions. [2019-09-08 11:49:51,964 INFO L78 Accepts]: Start accepts. Automaton has 1634 states and 2321 transitions. Word has length 58 [2019-09-08 11:49:51,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:49:51,964 INFO L475 AbstractCegarLoop]: Abstraction has 1634 states and 2321 transitions. [2019-09-08 11:49:51,965 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 11:49:51,965 INFO L276 IsEmpty]: Start isEmpty. Operand 1634 states and 2321 transitions. [2019-09-08 11:49:51,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-09-08 11:49:51,968 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:49:51,968 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:49:51,969 INFO L418 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:49:51,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:49:51,970 INFO L82 PathProgramCache]: Analyzing trace with hash -1387581406, now seen corresponding path program 1 times [2019-09-08 11:49:51,970 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:49:51,970 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:49:51,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:49:51,973 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:49:51,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:49:52,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:49:52,154 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-09-08 11:49:52,155 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:49:52,155 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 11:49:52,155 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 11:49:52,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 11:49:52,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2019-09-08 11:49:52,156 INFO L87 Difference]: Start difference. First operand 1634 states and 2321 transitions. Second operand 6 states. [2019-09-08 11:49:52,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:49:52,626 INFO L93 Difference]: Finished difference Result 4348 states and 6334 transitions. [2019-09-08 11:49:52,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 11:49:52,627 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 80 [2019-09-08 11:49:52,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:49:52,646 INFO L225 Difference]: With dead ends: 4348 [2019-09-08 11:49:52,646 INFO L226 Difference]: Without dead ends: 3802 [2019-09-08 11:49:52,650 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2019-09-08 11:49:52,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3802 states. [2019-09-08 11:49:52,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3802 to 2178. [2019-09-08 11:49:52,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2178 states. [2019-09-08 11:49:52,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2178 states to 2178 states and 3121 transitions. [2019-09-08 11:49:52,880 INFO L78 Accepts]: Start accepts. Automaton has 2178 states and 3121 transitions. Word has length 80 [2019-09-08 11:49:52,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:49:52,881 INFO L475 AbstractCegarLoop]: Abstraction has 2178 states and 3121 transitions. [2019-09-08 11:49:52,881 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 11:49:52,881 INFO L276 IsEmpty]: Start isEmpty. Operand 2178 states and 3121 transitions. [2019-09-08 11:49:52,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-09-08 11:49:52,883 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:49:52,883 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:49:52,884 INFO L418 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:49:52,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:49:52,884 INFO L82 PathProgramCache]: Analyzing trace with hash 921047540, now seen corresponding path program 1 times [2019-09-08 11:49:52,884 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:49:52,885 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:49:52,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:49:52,887 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:49:52,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:49:52,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:49:52,997 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-09-08 11:49:52,997 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:49:52,997 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 11:49:52,998 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 11:49:52,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 11:49:52,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-09-08 11:49:52,998 INFO L87 Difference]: Start difference. First operand 2178 states and 3121 transitions. Second operand 6 states. [2019-09-08 11:49:53,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:49:53,533 INFO L93 Difference]: Finished difference Result 5156 states and 7506 transitions. [2019-09-08 11:49:53,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 11:49:53,534 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 80 [2019-09-08 11:49:53,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:49:53,555 INFO L225 Difference]: With dead ends: 5156 [2019-09-08 11:49:53,555 INFO L226 Difference]: Without dead ends: 4346 [2019-09-08 11:49:53,558 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2019-09-08 11:49:53,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4346 states. [2019-09-08 11:49:53,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4346 to 2986. [2019-09-08 11:49:53,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2986 states. [2019-09-08 11:49:53,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2986 states to 2986 states and 4285 transitions. [2019-09-08 11:49:53,893 INFO L78 Accepts]: Start accepts. Automaton has 2986 states and 4285 transitions. Word has length 80 [2019-09-08 11:49:53,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:49:53,894 INFO L475 AbstractCegarLoop]: Abstraction has 2986 states and 4285 transitions. [2019-09-08 11:49:53,894 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 11:49:53,894 INFO L276 IsEmpty]: Start isEmpty. Operand 2986 states and 4285 transitions. [2019-09-08 11:49:53,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-09-08 11:49:53,897 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:49:53,897 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:49:53,897 INFO L418 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:49:53,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:49:53,898 INFO L82 PathProgramCache]: Analyzing trace with hash 897302318, now seen corresponding path program 1 times [2019-09-08 11:49:53,898 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:49:53,898 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:49:53,900 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:49:53,900 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:49:53,900 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:49:53,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:49:54,054 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-09-08 11:49:54,054 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:49:54,055 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 11:49:54,055 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 11:49:54,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 11:49:54,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2019-09-08 11:49:54,056 INFO L87 Difference]: Start difference. First operand 2986 states and 4285 transitions. Second operand 6 states. [2019-09-08 11:49:54,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:49:54,544 INFO L93 Difference]: Finished difference Result 5964 states and 8670 transitions. [2019-09-08 11:49:54,545 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 11:49:54,545 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 80 [2019-09-08 11:49:54,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:49:54,570 INFO L225 Difference]: With dead ends: 5964 [2019-09-08 11:49:54,570 INFO L226 Difference]: Without dead ends: 5154 [2019-09-08 11:49:54,575 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2019-09-08 11:49:54,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5154 states. [2019-09-08 11:49:54,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5154 to 3794. [2019-09-08 11:49:54,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3794 states. [2019-09-08 11:49:54,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3794 states to 3794 states and 5449 transitions. [2019-09-08 11:49:54,981 INFO L78 Accepts]: Start accepts. Automaton has 3794 states and 5449 transitions. Word has length 80 [2019-09-08 11:49:54,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:49:54,981 INFO L475 AbstractCegarLoop]: Abstraction has 3794 states and 5449 transitions. [2019-09-08 11:49:54,981 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 11:49:54,982 INFO L276 IsEmpty]: Start isEmpty. Operand 3794 states and 5449 transitions. [2019-09-08 11:49:54,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-09-08 11:49:54,984 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:49:54,985 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:49:54,985 INFO L418 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:49:54,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:49:54,985 INFO L82 PathProgramCache]: Analyzing trace with hash 524776424, now seen corresponding path program 1 times [2019-09-08 11:49:54,985 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:49:54,986 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:49:54,987 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:49:54,987 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:49:54,987 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:49:55,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:49:55,064 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:49:55,064 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 11:49:55,064 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 11:49:55,086 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:49:55,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:49:55,226 INFO L256 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 5 conjunts are in the unsatisfiable core [2019-09-08 11:49:55,245 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 11:49:55,350 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 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 11:49:55,365 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 11:49:55,365 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2019-09-08 11:49:55,366 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 11:49:55,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 11:49:55,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-09-08 11:49:55,367 INFO L87 Difference]: Start difference. First operand 3794 states and 5449 transitions. Second operand 9 states. [2019-09-08 11:49:57,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:49:57,785 INFO L93 Difference]: Finished difference Result 15374 states and 22499 transitions. [2019-09-08 11:49:57,785 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-08 11:49:57,785 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 80 [2019-09-08 11:49:57,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:49:57,827 INFO L225 Difference]: With dead ends: 15374 [2019-09-08 11:49:57,827 INFO L226 Difference]: Without dead ends: 12932 [2019-09-08 11:49:57,838 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2019-09-08 11:49:57,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12932 states. [2019-09-08 11:49:59,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12932 to 8306. [2019-09-08 11:49:59,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8306 states. [2019-09-08 11:49:59,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8306 states to 8306 states and 11957 transitions. [2019-09-08 11:49:59,030 INFO L78 Accepts]: Start accepts. Automaton has 8306 states and 11957 transitions. Word has length 80 [2019-09-08 11:49:59,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:49:59,030 INFO L475 AbstractCegarLoop]: Abstraction has 8306 states and 11957 transitions. [2019-09-08 11:49:59,030 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 11:49:59,031 INFO L276 IsEmpty]: Start isEmpty. Operand 8306 states and 11957 transitions. [2019-09-08 11:49:59,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-09-08 11:49:59,034 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:49:59,034 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:49:59,034 INFO L418 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:49:59,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:49:59,035 INFO L82 PathProgramCache]: Analyzing trace with hash -1732590227, now seen corresponding path program 1 times [2019-09-08 11:49:59,035 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:49:59,035 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:49:59,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:49:59,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:49:59,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:49:59,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:49:59,274 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:49:59,275 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 11:49:59,275 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 11:49:59,289 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 11:49:59,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:49:59,387 INFO L256 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 21 conjunts are in the unsatisfiable core [2019-09-08 11:49:59,402 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 11:49:59,513 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (3)] Exception during sending of exit command (exit): Broken pipe [2019-09-08 11:49:59,522 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 11:49:59,522 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6] total 14 [2019-09-08 11:49:59,523 INFO L454 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-09-08 11:49:59,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-09-08 11:49:59,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2019-09-08 11:49:59,523 INFO L87 Difference]: Start difference. First operand 8306 states and 11957 transitions. Second operand 14 states. [2019-09-08 11:50:00,660 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2019-09-08 11:50:10,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:50:10,291 INFO L93 Difference]: Finished difference Result 63175 states and 89941 transitions. [2019-09-08 11:50:10,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2019-09-08 11:50:10,292 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 81 [2019-09-08 11:50:10,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:50:10,545 INFO L225 Difference]: With dead ends: 63175 [2019-09-08 11:50:10,546 INFO L226 Difference]: Without dead ends: 54901 [2019-09-08 11:50:10,579 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3783 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=1918, Invalid=8182, Unknown=0, NotChecked=0, Total=10100 [2019-09-08 11:50:10,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54901 states. [2019-09-08 11:50:14,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54901 to 25950. [2019-09-08 11:50:14,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25950 states. [2019-09-08 11:50:14,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25950 states to 25950 states and 36433 transitions. [2019-09-08 11:50:14,531 INFO L78 Accepts]: Start accepts. Automaton has 25950 states and 36433 transitions. Word has length 81 [2019-09-08 11:50:14,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:50:14,532 INFO L475 AbstractCegarLoop]: Abstraction has 25950 states and 36433 transitions. [2019-09-08 11:50:14,532 INFO L476 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-09-08 11:50:14,532 INFO L276 IsEmpty]: Start isEmpty. Operand 25950 states and 36433 transitions. [2019-09-08 11:50:14,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-09-08 11:50:14,536 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:50:14,536 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:50:14,537 INFO L418 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:50:14,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:50:14,537 INFO L82 PathProgramCache]: Analyzing trace with hash -1229707033, now seen corresponding path program 1 times [2019-09-08 11:50:14,537 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:50:14,537 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:50:14,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:50:14,541 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:50:14,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:50:14,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:50:14,772 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:50:14,773 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 11:50:14,773 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) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 11:50:14,805 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:50:14,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:50:14,943 INFO L256 TraceCheckSpWp]: Trace formula consists of 625 conjuncts, 22 conjunts are in the unsatisfiable core [2019-09-08 11:50:14,955 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 11:50:15,156 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 11:50:16,579 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:50:16,583 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 11:50:16,584 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2019-09-08 11:50:16,584 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-09-08 11:50:16,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-09-08 11:50:16,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=301, Unknown=0, NotChecked=0, Total=342 [2019-09-08 11:50:16,585 INFO L87 Difference]: Start difference. First operand 25950 states and 36433 transitions. Second operand 19 states. [2019-09-08 11:50:17,191 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 62 [2019-09-08 11:50:17,487 WARN L188 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 62 [2019-09-08 11:50:17,849 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 72 [2019-09-08 11:50:18,254 WARN L188 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 78 [2019-09-08 11:50:18,586 WARN L188 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2019-09-08 11:50:18,969 WARN L188 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 81 [2019-09-08 11:50:19,588 WARN L188 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 81 [2019-09-08 11:50:19,975 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 81 [2019-09-08 11:50:20,310 WARN L188 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 72 [2019-09-08 11:50:20,740 WARN L188 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 77 [2019-09-08 11:50:21,205 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2019-09-08 11:50:21,766 WARN L188 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 80 [2019-09-08 11:50:22,163 WARN L188 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2019-09-08 11:50:22,579 WARN L188 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 76 [2019-09-08 11:50:22,893 WARN L188 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2019-09-08 11:50:23,280 WARN L188 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 71 [2019-09-08 11:50:23,688 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2019-09-08 11:50:24,050 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2019-09-08 11:50:24,445 WARN L188 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 74 [2019-09-08 11:50:24,893 WARN L188 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 84 [2019-09-08 11:50:25,338 WARN L188 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 80 [2019-09-08 11:50:25,738 WARN L188 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 74 [2019-09-08 11:50:26,037 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2019-09-08 11:50:26,458 WARN L188 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 81 [2019-09-08 11:50:26,876 WARN L188 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 80 [2019-09-08 11:50:27,315 WARN L188 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 84 [2019-09-08 11:50:27,702 WARN L188 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 77 [2019-09-08 11:50:28,114 WARN L188 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 77 [2019-09-08 11:50:28,514 WARN L188 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 76 [2019-09-08 11:50:28,889 WARN L188 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 80 [2019-09-08 11:50:29,315 WARN L188 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2019-09-08 11:50:29,727 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2019-09-08 11:50:30,143 WARN L188 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2019-09-08 11:50:30,664 WARN L188 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2019-09-08 11:50:32,054 WARN L188 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 77 [2019-09-08 11:50:32,489 WARN L188 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 84 [2019-09-08 11:50:33,082 WARN L188 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 73 [2019-09-08 11:50:33,494 WARN L188 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 80 [2019-09-08 11:50:34,463 WARN L188 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 81 [2019-09-08 11:50:34,797 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 78 [2019-09-08 11:50:35,191 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 80 [2019-09-08 11:50:35,569 WARN L188 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 84 [2019-09-08 11:50:35,923 WARN L188 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 77 [2019-09-08 11:50:36,284 WARN L188 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 71 [2019-09-08 11:50:36,617 WARN L188 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 74 [2019-09-08 11:50:36,948 WARN L188 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 77 [2019-09-08 11:50:37,234 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 69 [2019-09-08 11:50:37,525 WARN L188 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2019-09-08 11:50:37,930 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 73 [2019-09-08 11:50:38,268 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 76 [2019-09-08 11:50:38,618 WARN L188 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 77 [2019-09-08 11:50:38,939 WARN L188 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 80 [2019-09-08 11:50:39,266 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2019-09-08 11:50:39,683 WARN L188 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2019-09-08 11:50:40,033 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2019-09-08 11:50:40,433 WARN L188 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2019-09-08 11:50:41,063 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 64 [2019-09-08 11:50:41,300 WARN L188 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2019-09-08 11:50:41,537 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2019-09-08 11:50:41,933 WARN L188 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2019-09-08 11:50:42,174 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 66 [2019-09-08 11:50:42,423 WARN L188 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2019-09-08 11:50:42,668 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2019-09-08 11:50:42,967 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-08 11:50:43,340 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2019-09-08 11:50:43,814 WARN L188 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 83 [2019-09-08 11:50:44,163 WARN L188 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2019-09-08 11:50:44,582 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2019-09-08 11:50:45,117 WARN L188 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 79 [2019-09-08 11:50:45,437 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 74 [2019-09-08 11:50:45,745 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 66 [2019-09-08 11:50:45,933 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2019-09-08 11:50:46,190 WARN L188 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 69 [2019-09-08 11:50:46,399 WARN L188 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-08 11:50:46,888 WARN L188 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2019-09-08 11:50:47,397 WARN L188 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 81 [2019-09-08 11:50:47,929 WARN L188 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 74 [2019-09-08 11:50:48,156 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2019-09-08 11:50:48,357 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-08 11:50:48,780 WARN L188 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2019-09-08 11:50:49,221 WARN L188 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 87 [2019-09-08 11:50:49,554 WARN L188 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-08 11:50:49,868 WARN L188 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-08 11:50:50,235 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2019-09-08 11:50:50,468 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2019-09-08 11:50:50,992 WARN L188 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2019-09-08 11:50:51,315 WARN L188 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2019-09-08 11:50:51,623 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2019-09-08 11:50:55,396 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2019-09-08 11:50:55,756 WARN L188 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 65 [2019-09-08 11:50:55,992 WARN L188 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2019-09-08 11:50:56,220 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-09-08 11:50:56,551 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 71 [2019-09-08 11:50:56,962 WARN L188 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 64 [2019-09-08 11:50:57,237 WARN L188 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2019-09-08 11:50:57,515 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-08 11:50:57,909 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-08 11:50:58,555 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-08 11:51:00,517 WARN L188 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 65 [2019-09-08 11:51:01,071 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2019-09-08 11:51:01,210 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2019-09-08 11:51:01,712 WARN L188 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 64 [2019-09-08 11:51:01,910 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 54 [2019-09-08 11:51:02,187 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-09-08 11:51:02,717 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2019-09-08 11:51:03,031 WARN L188 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-08 11:51:03,565 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2019-09-08 11:51:03,714 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2019-09-08 11:51:04,052 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-08 11:51:04,651 WARN L188 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 71 [2019-09-08 11:51:04,826 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 61 [2019-09-08 11:51:05,047 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2019-09-08 11:51:05,403 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-08 11:51:05,888 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2019-09-08 11:51:06,123 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2019-09-08 11:51:06,379 WARN L188 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-08 11:51:06,637 WARN L188 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-08 11:51:07,237 WARN L188 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2019-09-08 11:51:07,447 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-08 11:51:07,718 WARN L188 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2019-09-08 11:51:07,934 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-08 11:51:08,187 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2019-09-08 11:51:08,421 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-08 11:51:09,182 WARN L188 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2019-09-08 11:51:09,450 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-08 11:51:10,038 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2019-09-08 11:51:10,450 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-08 11:51:10,863 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-09-08 11:51:11,144 WARN L188 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 71 [2019-09-08 11:51:11,380 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-08 11:51:11,575 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2019-09-08 11:51:11,953 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-08 11:51:12,199 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-08 11:51:12,337 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2019-09-08 11:51:12,747 WARN L188 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2019-09-08 11:51:12,986 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-08 11:51:13,213 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 66 [2019-09-08 11:51:13,442 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 11:51:13,862 WARN L188 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2019-09-08 11:51:14,102 WARN L188 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-08 11:51:14,265 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 61 [2019-09-08 11:51:14,947 WARN L188 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 71 [2019-09-08 11:51:15,223 WARN L188 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2019-09-08 11:51:15,691 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-09-08 11:51:15,985 WARN L188 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2019-09-08 11:51:16,220 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-08 11:51:16,463 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-08 11:51:16,802 WARN L188 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 71 [2019-09-08 11:51:17,059 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2019-09-08 11:51:17,262 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2019-09-08 11:51:17,662 WARN L188 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-08 11:51:17,799 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 61 [2019-09-08 11:51:18,318 WARN L188 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 66 [2019-09-08 11:51:18,617 WARN L188 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 11:51:18,795 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 64 [2019-09-08 11:51:19,494 WARN L188 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2019-09-08 11:51:20,057 WARN L188 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 71 [2019-09-08 11:51:20,686 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2019-09-08 11:51:20,924 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-08 11:51:21,252 WARN L188 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2019-09-08 11:51:21,442 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2019-09-08 11:51:22,310 WARN L188 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2019-09-08 11:51:25,776 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 60 [2019-09-08 11:51:26,974 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 64 [2019-09-08 11:51:27,858 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 60 [2019-09-08 11:51:28,093 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2019-09-08 11:51:28,276 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 50 [2019-09-08 11:51:29,470 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 64 [2019-09-08 11:51:32,437 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 43 [2019-09-08 11:51:32,783 WARN L188 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 61 [2019-09-08 11:51:32,947 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 46 [2019-09-08 11:51:33,269 WARN L188 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 64 [2019-09-08 11:51:33,501 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 61 [2019-09-08 11:51:33,733 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 64 [2019-09-08 11:51:34,356 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2019-09-08 11:51:34,565 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2019-09-08 11:51:35,352 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 70 [2019-09-08 11:51:35,717 WARN L188 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 73 [2019-09-08 11:51:35,958 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-08 11:51:36,154 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2019-09-08 11:51:36,465 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 50 [2019-09-08 11:51:36,766 WARN L188 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2019-09-08 11:51:37,074 WARN L188 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 64 [2019-09-08 11:51:37,486 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2019-09-08 11:51:38,131 WARN L188 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2019-09-08 11:51:38,400 WARN L188 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 61 [2019-09-08 11:51:38,615 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-08 11:51:38,871 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 64 [2019-09-08 11:51:39,113 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-08 11:51:39,347 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2019-09-08 11:51:39,582 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2019-09-08 11:51:39,812 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2019-09-08 11:51:40,006 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2019-09-08 11:51:40,706 WARN L188 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2019-09-08 11:51:41,077 WARN L188 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2019-09-08 11:51:41,345 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-08 11:51:41,582 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-08 11:51:41,884 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-08 11:51:42,072 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2019-09-08 11:51:42,287 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2019-09-08 11:51:42,875 WARN L188 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2019-09-08 11:51:43,262 WARN L188 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2019-09-08 11:51:43,491 WARN L188 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-08 11:51:43,811 WARN L188 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-08 11:51:44,482 WARN L188 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-08 11:51:44,744 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-08 11:51:49,306 WARN L188 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2019-09-08 11:51:49,631 WARN L188 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 68 [2019-09-08 11:51:50,236 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 68 [2019-09-08 11:51:50,571 WARN L188 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-09-08 11:51:53,930 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-08 11:51:54,541 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2019-09-08 11:51:54,781 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-09-08 11:51:55,124 WARN L188 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 63 [2019-09-08 11:51:55,482 WARN L188 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 66 [2019-09-08 11:51:55,942 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2019-09-08 11:51:56,379 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-09-08 11:51:56,645 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-09-08 11:51:57,036 WARN L188 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 66 [2019-09-08 11:51:57,434 WARN L188 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 69 [2019-09-08 11:51:57,693 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-08 11:51:57,905 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-08 11:51:58,526 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2019-09-08 11:51:58,930 WARN L188 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2019-09-08 11:51:59,489 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2019-09-08 11:51:59,729 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-08 11:52:00,148 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2019-09-08 11:52:00,660 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2019-09-08 11:52:01,047 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-08 11:52:01,811 WARN L188 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-08 11:52:05,423 WARN L188 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2019-09-08 11:52:09,094 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2019-09-08 11:52:13,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:52:13,672 INFO L93 Difference]: Finished difference Result 249277 states and 348677 transitions. [2019-09-08 11:52:13,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 293 states. [2019-09-08 11:52:13,672 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 82 [2019-09-08 11:52:13,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:52:16,210 INFO L225 Difference]: With dead ends: 249277 [2019-09-08 11:52:16,211 INFO L226 Difference]: Without dead ends: 223359 [2019-09-08 11:52:16,324 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 383 GetRequests, 60 SyntacticMatches, 15 SemanticMatches, 308 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47961 ImplicationChecksByTransitivity, 70.2s TimeCoverageRelationStatistics Valid=14178, Invalid=81612, Unknown=0, NotChecked=0, Total=95790 [2019-09-08 11:52:16,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223359 states. [2019-09-08 11:52:29,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223359 to 63354. [2019-09-08 11:52:29,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63354 states. [2019-09-08 11:52:29,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63354 states to 63354 states and 89341 transitions. [2019-09-08 11:52:29,882 INFO L78 Accepts]: Start accepts. Automaton has 63354 states and 89341 transitions. Word has length 82 [2019-09-08 11:52:29,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:52:29,883 INFO L475 AbstractCegarLoop]: Abstraction has 63354 states and 89341 transitions. [2019-09-08 11:52:29,883 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-09-08 11:52:29,883 INFO L276 IsEmpty]: Start isEmpty. Operand 63354 states and 89341 transitions. [2019-09-08 11:52:29,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-09-08 11:52:29,887 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:52:29,888 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:52:29,888 INFO L418 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:52:29,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:52:29,888 INFO L82 PathProgramCache]: Analyzing trace with hash -678407881, now seen corresponding path program 1 times [2019-09-08 11:52:29,888 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:52:29,888 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:52:29,890 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:52:29,890 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:52:29,890 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:52:29,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:52:29,927 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-09-08 11:52:29,927 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:52:29,928 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 11:52:29,928 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 11:52:29,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 11:52:29,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:52:29,929 INFO L87 Difference]: Start difference. First operand 63354 states and 89341 transitions. Second operand 3 states. [2019-09-08 11:52:37,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:52:37,483 INFO L93 Difference]: Finished difference Result 108372 states and 153246 transitions. [2019-09-08 11:52:37,483 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 11:52:37,483 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 83 [2019-09-08 11:52:37,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:52:37,556 INFO L225 Difference]: With dead ends: 108372 [2019-09-08 11:52:37,556 INFO L226 Difference]: Without dead ends: 45050 [2019-09-08 11:52:37,630 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 11:52:37,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45050 states. [2019-09-08 11:52:45,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45050 to 44930. [2019-09-08 11:52:45,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44930 states. [2019-09-08 11:52:46,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44930 states to 44930 states and 62855 transitions. [2019-09-08 11:52:46,053 INFO L78 Accepts]: Start accepts. Automaton has 44930 states and 62855 transitions. Word has length 83 [2019-09-08 11:52:46,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:52:46,053 INFO L475 AbstractCegarLoop]: Abstraction has 44930 states and 62855 transitions. [2019-09-08 11:52:46,053 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 11:52:46,053 INFO L276 IsEmpty]: Start isEmpty. Operand 44930 states and 62855 transitions. [2019-09-08 11:52:46,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-09-08 11:52:46,057 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:52:46,058 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:52:46,058 INFO L418 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:52:46,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:52:46,058 INFO L82 PathProgramCache]: Analyzing trace with hash 2096755563, now seen corresponding path program 1 times [2019-09-08 11:52:46,058 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:52:46,058 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:52:46,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:52:46,060 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:52:46,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:52:46,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:52:46,248 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:52:46,248 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 11:52:46,248 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 11:52:46,264 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:52:46,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:52:46,356 INFO L256 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 16 conjunts are in the unsatisfiable core [2019-09-08 11:52:46,360 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 11:52:46,474 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 11:52:46,686 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:52:46,694 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 11:52:46,694 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2019-09-08 11:52:46,695 INFO L454 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-09-08 11:52:46,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-09-08 11:52:46,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2019-09-08 11:52:46,695 INFO L87 Difference]: Start difference. First operand 44930 states and 62855 transitions. Second operand 17 states. [2019-09-08 11:53:35,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:53:35,332 INFO L93 Difference]: Finished difference Result 292761 states and 403692 transitions. [2019-09-08 11:53:35,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2019-09-08 11:53:35,332 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 83 [2019-09-08 11:53:35,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:53:35,662 INFO L225 Difference]: With dead ends: 292761 [2019-09-08 11:53:35,662 INFO L226 Difference]: Without dead ends: 247863 [2019-09-08 11:53:35,738 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 76 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 620 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=665, Invalid=1987, Unknown=0, NotChecked=0, Total=2652 [2019-09-08 11:53:35,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247863 states. [2019-09-08 11:53:58,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247863 to 109117. [2019-09-08 11:53:58,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109117 states. [2019-09-08 11:53:59,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109117 states to 109117 states and 151980 transitions. [2019-09-08 11:53:59,256 INFO L78 Accepts]: Start accepts. Automaton has 109117 states and 151980 transitions. Word has length 83 [2019-09-08 11:53:59,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:53:59,256 INFO L475 AbstractCegarLoop]: Abstraction has 109117 states and 151980 transitions. [2019-09-08 11:53:59,256 INFO L476 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-09-08 11:53:59,257 INFO L276 IsEmpty]: Start isEmpty. Operand 109117 states and 151980 transitions. [2019-09-08 11:53:59,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-09-08 11:53:59,261 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:53:59,262 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:53:59,262 INFO L418 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:53:59,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:53:59,263 INFO L82 PathProgramCache]: Analyzing trace with hash -100457125, now seen corresponding path program 1 times [2019-09-08 11:53:59,263 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:53:59,263 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:53:59,264 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:53:59,264 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:53:59,264 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:53:59,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:53:59,456 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:53:59,456 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 11:53:59,457 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 11:53:59,467 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:53:59,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:53:59,558 INFO L256 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 17 conjunts are in the unsatisfiable core [2019-09-08 11:53:59,561 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 11:53:59,652 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 11:53:59,793 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:53:59,797 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 11:53:59,798 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2019-09-08 11:53:59,798 INFO L454 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-09-08 11:53:59,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-09-08 11:53:59,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2019-09-08 11:53:59,799 INFO L87 Difference]: Start difference. First operand 109117 states and 151980 transitions. Second operand 17 states. [2019-09-08 11:56:16,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:56:16,137 INFO L93 Difference]: Finished difference Result 756077 states and 1044389 transitions. [2019-09-08 11:56:16,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2019-09-08 11:56:16,137 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 83 [2019-09-08 11:56:16,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:56:17,149 INFO L225 Difference]: With dead ends: 756077 [2019-09-08 11:56:17,149 INFO L226 Difference]: Without dead ends: 646992 [2019-09-08 11:56:17,343 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 76 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 623 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=577, Invalid=1775, Unknown=0, NotChecked=0, Total=2352 [2019-09-08 11:56:17,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646992 states. [2019-09-08 11:57:11,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646992 to 229738. [2019-09-08 11:57:11,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229738 states. [2019-09-08 11:57:12,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229738 states to 229738 states and 317830 transitions. [2019-09-08 11:57:12,359 INFO L78 Accepts]: Start accepts. Automaton has 229738 states and 317830 transitions. Word has length 83 [2019-09-08 11:57:12,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:57:12,360 INFO L475 AbstractCegarLoop]: Abstraction has 229738 states and 317830 transitions. [2019-09-08 11:57:12,360 INFO L476 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-09-08 11:57:12,360 INFO L276 IsEmpty]: Start isEmpty. Operand 229738 states and 317830 transitions. [2019-09-08 11:57:12,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-09-08 11:57:12,367 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:57:12,368 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:57:12,368 INFO L418 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:57:12,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:57:12,368 INFO L82 PathProgramCache]: Analyzing trace with hash -91525643, now seen corresponding path program 1 times [2019-09-08 11:57:12,368 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:57:12,368 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:57:12,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:57:12,370 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:57:12,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:57:12,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:57:12,413 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-09-08 11:57:12,413 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:57:12,413 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 11:57:12,414 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 11:57:12,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 11:57:12,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:57:12,414 INFO L87 Difference]: Start difference. First operand 229738 states and 317830 transitions. Second operand 3 states. [2019-09-08 11:57:54,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:57:54,915 INFO L93 Difference]: Finished difference Result 422006 states and 585041 transitions. [2019-09-08 11:57:54,915 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 11:57:54,916 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2019-09-08 11:57:54,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:57:55,175 INFO L225 Difference]: With dead ends: 422006 [2019-09-08 11:57:55,176 INFO L226 Difference]: Without dead ends: 192300 [2019-09-08 11:57:55,323 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 11:57:55,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192300 states. [2019-09-08 11:58:37,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192300 to 192300. [2019-09-08 11:58:37,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192300 states. [2019-09-08 11:58:38,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192300 states to 192300 states and 263803 transitions. [2019-09-08 11:58:38,176 INFO L78 Accepts]: Start accepts. Automaton has 192300 states and 263803 transitions. Word has length 84 [2019-09-08 11:58:38,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:58:38,176 INFO L475 AbstractCegarLoop]: Abstraction has 192300 states and 263803 transitions. [2019-09-08 11:58:38,176 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 11:58:38,176 INFO L276 IsEmpty]: Start isEmpty. Operand 192300 states and 263803 transitions. [2019-09-08 11:58:38,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-09-08 11:58:38,180 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:58:38,180 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:58:38,181 INFO L418 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:58:38,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:58:38,181 INFO L82 PathProgramCache]: Analyzing trace with hash -474576096, now seen corresponding path program 1 times [2019-09-08 11:58:38,181 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:58:38,181 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:58:38,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:58:38,182 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:58:38,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:58:38,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:58:38,245 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:58:38,245 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:58:38,245 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 11:58:38,247 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 11:58:38,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 11:58:38,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:58:38,248 INFO L87 Difference]: Start difference. First operand 192300 states and 263803 transitions. Second operand 3 states. [2019-09-08 11:59:09,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:59:09,683 INFO L93 Difference]: Finished difference Result 310410 states and 427972 transitions. [2019-09-08 11:59:09,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 11:59:09,684 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2019-09-08 11:59:09,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:59:09,836 INFO L225 Difference]: With dead ends: 310410 [2019-09-08 11:59:09,836 INFO L226 Difference]: Without dead ends: 118142 [2019-09-08 11:59:09,934 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 11:59:10,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118142 states. [2019-09-08 11:59:30,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118142 to 92396. [2019-09-08 11:59:30,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92396 states. [2019-09-08 11:59:30,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92396 states to 92396 states and 126376 transitions. [2019-09-08 11:59:30,277 INFO L78 Accepts]: Start accepts. Automaton has 92396 states and 126376 transitions. Word has length 84 [2019-09-08 11:59:30,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:59:30,278 INFO L475 AbstractCegarLoop]: Abstraction has 92396 states and 126376 transitions. [2019-09-08 11:59:30,278 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 11:59:30,278 INFO L276 IsEmpty]: Start isEmpty. Operand 92396 states and 126376 transitions. [2019-09-08 11:59:30,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-09-08 11:59:30,282 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:59:30,282 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:59:30,282 INFO L418 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:59:30,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:59:30,283 INFO L82 PathProgramCache]: Analyzing trace with hash 261511392, now seen corresponding path program 1 times [2019-09-08 11:59:30,283 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:59:30,283 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:59:30,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:59:30,284 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:59:30,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:59:30,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:59:32,132 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:59:32,132 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 11:59:32,133 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 11:59:32,144 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:59:32,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:59:32,231 INFO L256 TraceCheckSpWp]: Trace formula consists of 629 conjuncts, 24 conjunts are in the unsatisfiable core [2019-09-08 11:59:32,234 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 11:59:32,513 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 11:59:34,194 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:59:34,208 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 11:59:34,208 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 12] total 35 [2019-09-08 11:59:34,209 INFO L454 AbstractCegarLoop]: Interpolant automaton has 35 states [2019-09-08 11:59:34,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2019-09-08 11:59:34,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=1095, Unknown=0, NotChecked=0, Total=1190 [2019-09-08 11:59:34,210 INFO L87 Difference]: Start difference. First operand 92396 states and 126376 transitions. Second operand 35 states. [2019-09-08 11:59:34,402 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 46 [2019-09-08 11:59:35,336 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2019-09-08 11:59:35,532 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 46 [2019-09-08 11:59:35,836 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 48 [2019-09-08 11:59:36,075 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 50 [2019-09-08 11:59:36,374 WARN L188 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 59 [2019-09-08 11:59:36,687 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 73 [2019-09-08 11:59:37,045 WARN L188 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 79 [2019-09-08 11:59:37,482 WARN L188 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 93 [2019-09-08 11:59:38,110 WARN L188 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 109 [2019-09-08 11:59:38,823 WARN L188 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 127 [2019-09-08 11:59:39,237 WARN L188 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 89 [2019-09-08 11:59:39,727 WARN L188 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 107 [2019-09-08 11:59:40,578 WARN L188 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 143 [2019-09-08 11:59:41,667 WARN L188 SmtUtils]: Spent 982.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 148 [2019-09-08 11:59:42,247 WARN L188 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 123 [2019-09-08 11:59:42,661 WARN L188 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 99 [2019-09-08 11:59:43,351 WARN L188 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 128 [2019-09-08 11:59:43,711 WARN L188 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 84 [2019-09-08 11:59:44,028 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 74 [2019-09-08 11:59:44,477 WARN L188 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 99 [2019-09-08 11:59:44,794 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 74 [2019-09-08 11:59:45,129 WARN L188 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2019-09-08 11:59:45,578 WARN L188 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 96 [2019-09-08 11:59:45,873 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 72 [2019-09-08 11:59:46,060 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 59 [2019-09-08 11:59:46,375 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 71 [2019-09-08 11:59:46,534 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2019-09-08 11:59:46,854 WARN L188 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2019-09-08 11:59:47,116 WARN L188 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2019-09-08 11:59:47,435 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 84 [2019-09-08 11:59:47,919 WARN L188 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 96 [2019-09-08 11:59:48,306 WARN L188 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 96 [2019-09-08 11:59:48,691 WARN L188 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 99 [2019-09-08 11:59:48,921 WARN L188 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 72 [2019-09-08 11:59:49,137 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 59 [2019-09-08 11:59:49,428 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 77 [2019-09-08 11:59:49,894 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 80 [2019-09-08 11:59:50,251 WARN L188 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 71 [2019-09-08 11:59:50,680 WARN L188 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 96 [2019-09-08 11:59:51,069 WARN L188 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 89 [2019-09-08 11:59:51,370 WARN L188 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2019-09-08 11:59:51,866 WARN L188 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 96 [2019-09-08 11:59:52,030 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2019-09-08 11:59:52,245 WARN L188 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 65 [2019-09-08 11:59:52,459 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 53 [2019-09-08 11:59:52,731 WARN L188 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 65 [2019-09-08 11:59:53,310 WARN L188 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 108 [2019-09-08 11:59:53,849 WARN L188 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 111 [2019-09-08 11:59:54,209 WARN L188 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2019-09-08 11:59:54,543 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 79 [2019-09-08 11:59:54,769 WARN L188 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 62 [2019-09-08 11:59:55,091 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 77 [2019-09-08 11:59:55,404 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 80 [2019-09-08 11:59:55,725 WARN L188 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 53 [2019-09-08 11:59:56,082 WARN L188 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 79 [2019-09-08 11:59:56,368 WARN L188 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 77 [2019-09-08 11:59:56,832 WARN L188 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 96 [2019-09-08 11:59:57,251 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 80 [2019-09-08 11:59:57,753 WARN L188 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 96 [2019-09-08 11:59:58,410 WARN L188 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 91 [2019-09-08 11:59:58,838 WARN L188 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 94 [2019-09-08 11:59:59,115 WARN L188 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 67 [2019-09-08 11:59:59,517 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2019-09-08 11:59:59,846 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2019-09-08 12:00:00,261 WARN L188 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 89 [2019-09-08 12:00:00,841 WARN L188 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 108 [2019-09-08 12:00:01,399 WARN L188 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 111 [2019-09-08 12:00:01,650 WARN L188 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2019-09-08 12:00:02,027 WARN L188 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2019-09-08 12:00:02,515 WARN L188 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 84 [2019-09-08 12:00:02,918 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 84 [2019-09-08 12:00:03,263 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 80 [2019-09-08 12:00:03,443 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2019-09-08 12:00:03,924 WARN L188 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 98 [2019-09-08 12:00:04,205 WARN L188 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-09-08 12:00:04,699 WARN L188 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 96 [2019-09-08 12:00:05,145 WARN L188 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 96 [2019-09-08 12:00:05,573 WARN L188 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 99 [2019-09-08 12:00:05,840 WARN L188 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 72 [2019-09-08 12:00:06,127 WARN L188 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 72 [2019-09-08 12:00:06,532 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2019-09-08 12:00:06,724 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2019-09-08 12:00:07,241 WARN L188 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 98 [2019-09-08 12:00:07,531 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 70 [2019-09-08 12:00:07,974 WARN L188 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 87 [2019-09-08 12:00:08,198 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-09-08 12:00:08,533 WARN L188 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 87 [2019-09-08 12:00:08,708 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2019-09-08 12:00:09,150 WARN L188 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 92 [2019-09-08 12:00:09,370 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2019-09-08 12:00:10,050 WARN L188 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 110 [2019-09-08 12:00:10,368 WARN L188 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2019-09-08 12:00:10,948 WARN L188 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 113 [2019-09-08 12:00:11,267 WARN L188 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-08 12:00:11,524 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 71 [2019-09-08 12:00:12,033 WARN L188 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 86 [2019-09-08 12:00:12,276 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 57 [2019-09-08 12:00:12,677 WARN L188 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 87 [2019-09-08 12:00:12,872 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 58 [2019-09-08 12:00:13,259 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 87 [2019-09-08 12:00:13,446 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2019-09-08 12:00:13,667 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 51 [2019-09-08 12:00:14,456 WARN L188 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 99 [2019-09-08 12:00:14,689 WARN L188 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2019-09-08 12:00:15,136 WARN L188 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 99 [2019-09-08 12:00:15,345 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2019-09-08 12:00:15,986 WARN L188 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 102 [2019-09-08 12:00:16,202 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2019-09-08 12:00:16,486 WARN L188 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 75 [2019-09-08 12:00:16,905 WARN L188 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 75 [2019-09-08 12:00:17,612 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2019-09-08 12:00:18,037 WARN L188 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 74 [2019-09-08 12:00:18,228 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2019-09-08 12:00:19,196 WARN L188 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 77 [2019-09-08 12:00:19,802 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 86 [2019-09-08 12:00:20,016 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2019-09-08 12:00:20,514 WARN L188 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 59 [2019-09-08 12:00:20,925 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 71 [2019-09-08 12:00:21,254 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 76 [2019-09-08 12:00:21,502 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2019-09-08 12:00:21,817 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 76 [2019-09-08 12:00:22,357 WARN L188 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 92 [2019-09-08 12:00:22,874 WARN L188 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 92 [2019-09-08 12:00:23,378 WARN L188 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 89 [2019-09-08 12:00:24,300 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 48 [2019-09-08 12:00:24,634 WARN L188 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 75 [2019-09-08 12:00:25,017 WARN L188 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2019-09-08 12:00:25,348 WARN L188 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 79 [2019-09-08 12:00:25,732 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 80 [2019-09-08 12:00:26,104 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 80 [2019-09-08 12:00:26,551 WARN L188 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 90 [2019-09-08 12:00:27,026 WARN L188 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 94 [2019-09-08 12:00:27,343 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2019-09-08 12:00:27,650 WARN L188 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 80 [2019-09-08 12:00:27,949 WARN L188 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 80 [2019-09-08 12:00:28,324 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 83 [2019-09-08 12:00:28,627 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 60 [2019-09-08 12:00:29,700 WARN L188 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 102 [2019-09-08 12:00:30,160 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2019-09-08 12:00:30,374 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 45 [2019-09-08 12:00:30,599 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2019-09-08 12:00:30,904 WARN L188 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2019-09-08 12:00:31,208 WARN L188 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 76 [2019-09-08 12:00:31,422 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 56 [2019-09-08 12:00:31,875 WARN L188 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 85 [2019-09-08 12:00:32,098 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 56 [2019-09-08 12:00:32,288 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2019-09-08 12:00:32,873 WARN L188 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 78 [2019-09-08 12:00:33,208 WARN L188 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 83 [2019-09-08 12:00:33,442 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-09-08 12:00:33,996 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 92 [2019-09-08 12:00:34,447 WARN L188 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 89 [2019-09-08 12:00:34,694 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 54 [2019-09-08 12:00:34,960 WARN L188 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 78 [2019-09-08 12:00:35,253 WARN L188 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 83 [2019-09-08 12:00:35,841 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 86 [2019-09-08 12:00:36,441 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 61 [2019-09-08 12:00:36,898 WARN L188 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 90 [2019-09-08 12:00:37,132 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 65 [2019-09-08 12:00:37,795 WARN L188 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 104 [2019-09-08 12:00:38,087 WARN L188 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 67 [2019-09-08 12:00:38,447 WARN L188 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 90 [2019-09-08 12:00:38,653 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 65 [2019-09-08 12:00:38,826 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 53 [2019-09-08 12:00:39,042 WARN L188 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 55 [2019-09-08 12:00:39,226 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2019-09-08 12:00:39,559 WARN L188 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 65 [2019-09-08 12:00:39,764 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2019-09-08 12:00:40,074 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 60 [2019-09-08 12:00:40,470 WARN L188 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 81 [2019-09-08 12:00:41,002 WARN L188 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 92 [2019-09-08 12:00:41,388 WARN L188 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2019-09-08 12:00:41,642 WARN L188 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 62 [2019-09-08 12:00:41,935 WARN L188 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 81 [2019-09-08 12:00:42,508 WARN L188 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 67 [2019-09-08 12:00:42,975 WARN L188 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 93 [2019-09-08 12:00:43,527 WARN L188 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 96 [2019-09-08 12:00:43,836 WARN L188 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 74 [2019-09-08 12:00:44,223 WARN L188 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 93 [2019-09-08 12:00:44,646 WARN L188 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 81 [2019-09-08 12:00:45,122 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 59 [2019-09-08 12:00:45,591 WARN L188 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 90 [2019-09-08 12:00:45,918 WARN L188 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 64 [2019-09-08 12:00:46,235 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 55 [2019-09-08 12:00:46,604 WARN L188 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 71 [2019-09-08 12:00:47,191 WARN L188 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 102 [2019-09-08 12:00:47,362 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2019-09-08 12:00:48,901 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 76 [2019-09-08 12:00:49,389 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 45 [2019-09-08 12:00:49,631 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 52 [2019-09-08 12:00:49,857 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 56 [2019-09-08 12:00:50,304 WARN L188 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 88 [2019-09-08 12:00:50,564 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2019-09-08 12:00:51,195 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-09-08 12:00:51,463 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 57 [2019-09-08 12:00:51,794 WARN L188 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 55 [2019-09-08 12:00:52,101 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 75 [2019-09-08 12:00:52,422 WARN L188 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 79 [2019-09-08 12:00:52,780 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 82 [2019-09-08 12:00:53,131 WARN L188 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 79 [2019-09-08 12:00:53,373 WARN L188 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2019-09-08 12:00:53,595 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2019-09-08 12:00:53,816 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 50 [2019-09-08 12:00:54,375 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2019-09-08 12:00:54,689 WARN L188 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2019-09-08 12:00:55,366 WARN L188 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 78 [2019-09-08 12:00:55,680 WARN L188 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 62 [2019-09-08 12:00:56,392 WARN L188 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 98 [2019-09-08 12:00:56,915 WARN L188 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 94 [2019-09-08 12:00:57,158 WARN L188 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 56 [2019-09-08 12:00:57,553 WARN L188 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 81 [2019-09-08 12:00:57,941 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2019-09-08 12:00:58,207 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2019-09-08 12:00:58,563 WARN L188 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 75 [2019-09-08 12:00:59,016 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 85 [2019-09-08 12:00:59,648 WARN L188 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 110 [2019-09-08 12:01:00,017 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 85 [2019-09-08 12:01:00,176 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2019-09-08 12:01:00,482 WARN L188 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 67 [2019-09-08 12:01:01,019 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 78 [2019-09-08 12:01:01,492 WARN L188 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 97 [2019-09-08 12:01:01,956 WARN L188 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 101 [2019-09-08 12:01:02,369 WARN L188 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 98 [2019-09-08 12:01:02,841 WARN L188 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 104 [2019-09-08 12:01:03,123 WARN L188 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 67 [2019-09-08 12:01:03,536 WARN L188 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 101 [2019-09-08 12:01:03,893 WARN L188 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 81 [2019-09-08 12:01:04,213 WARN L188 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 70 [2019-09-08 12:01:04,535 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 73 [2019-09-08 12:01:04,854 WARN L188 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 78 [2019-09-08 12:01:05,340 WARN L188 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2019-09-08 12:01:05,745 WARN L188 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 89 [2019-09-08 12:01:06,248 WARN L188 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 100 [2019-09-08 12:01:06,411 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2019-09-08 12:01:06,811 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 85 [2019-09-08 12:01:07,430 WARN L188 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 110 [2019-09-08 12:01:08,166 WARN L188 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 116 [2019-09-08 12:01:08,531 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 79 [2019-09-08 12:01:09,029 WARN L188 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 103 [2019-09-08 12:01:09,575 WARN L188 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 79 [2019-09-08 12:01:09,944 WARN L188 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2019-09-08 12:01:10,186 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2019-09-08 12:01:10,457 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 57 [2019-09-08 12:01:10,873 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 92 [2019-09-08 12:01:11,094 WARN L188 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 62 [2019-09-08 12:01:11,557 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 97 [2019-09-08 12:01:11,719 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 60 [2019-09-08 12:01:12,264 WARN L188 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 107 [2019-09-08 12:01:12,680 WARN L188 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 94 [2019-09-08 12:01:13,175 WARN L188 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 104 [2019-09-08 12:01:13,490 WARN L188 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2019-09-08 12:01:13,830 WARN L188 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 74 [2019-09-08 12:01:14,293 WARN L188 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 107 [2019-09-08 12:01:14,481 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2019-09-08 12:01:14,778 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 81 [2019-09-08 12:01:15,486 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2019-09-08 12:01:15,725 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2019-09-08 12:01:16,169 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 85 [2019-09-08 12:01:16,664 WARN L188 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 100 [2019-09-08 12:01:17,278 WARN L188 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 110 [2019-09-08 12:01:17,901 WARN L188 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 106 [2019-09-08 12:01:18,634 WARN L188 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 116 [2019-09-08 12:01:18,835 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 58 [2019-09-08 12:01:19,258 WARN L188 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 79 [2019-09-08 12:01:19,813 WARN L188 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 103 [2019-09-08 12:01:20,551 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 57 [2019-09-08 12:01:20,717 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2019-09-08 12:01:21,044 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-09-08 12:01:21,502 WARN L188 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 88 [2019-09-08 12:01:21,891 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 66 [2019-09-08 12:01:22,148 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-09-08 12:01:22,754 WARN L188 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 101 [2019-09-08 12:01:23,353 WARN L188 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 98 [2019-09-08 12:01:23,815 WARN L188 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 100 [2019-09-08 12:01:24,703 WARN L188 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 121 [2019-09-08 12:01:24,953 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2019-09-08 12:01:25,236 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 70 [2019-09-08 12:01:25,530 WARN L188 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 70 [2019-09-08 12:01:26,492 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 76 [2019-09-08 12:01:26,881 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-09-08 12:01:27,201 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2019-09-08 12:01:27,508 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2019-09-08 12:01:27,951 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2019-09-08 12:01:28,215 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-09-08 12:01:28,872 WARN L188 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 103 [2019-09-08 12:01:29,283 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2019-09-08 12:01:30,020 WARN L188 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 112 [2019-09-08 12:01:30,229 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2019-09-08 12:01:31,016 WARN L188 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 94 [2019-09-08 12:01:31,634 WARN L188 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 110 [2019-09-08 12:01:32,260 WARN L188 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 116 [2019-09-08 12:01:32,958 WARN L188 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 112 [2019-09-08 12:01:33,210 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2019-09-08 12:01:33,427 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 65 [2019-09-08 12:01:33,879 WARN L188 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 86 [2019-09-08 12:01:34,268 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 61 [2019-09-08 12:01:34,880 WARN L188 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 93 [2019-09-08 12:01:35,287 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2019-09-08 12:01:35,537 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-09-08 12:01:36,070 WARN L188 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2019-09-08 12:01:36,717 WARN L188 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 99 [2019-09-08 12:01:37,313 WARN L188 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 114 [2019-09-08 12:01:37,856 WARN L188 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 98 [2019-09-08 12:01:38,404 WARN L188 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 104 [2019-09-08 12:01:39,393 WARN L188 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 127 [2019-09-08 12:01:39,904 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2019-09-08 12:01:40,207 WARN L188 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2019-09-08 12:01:40,904 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-09-08 12:01:41,359 WARN L188 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-08 12:01:42,379 WARN L188 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 118 [2019-09-08 12:01:42,601 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2019-09-08 12:01:43,292 WARN L188 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 132 [2019-09-08 12:01:43,829 WARN L188 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 110 [2019-09-08 12:01:44,568 WARN L188 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 126 [2019-09-08 12:01:45,204 WARN L188 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 100 [2019-09-08 12:01:45,889 WARN L188 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 116 [2019-09-08 12:01:46,142 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 65 [2019-09-08 12:01:47,038 WARN L188 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 83 [2019-09-08 12:01:47,718 WARN L188 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 128 [2019-09-08 12:01:48,560 WARN L188 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 144 [2019-09-08 12:01:49,098 WARN L188 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 114 [2019-09-08 12:01:49,723 WARN L188 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 120 [2019-09-08 12:01:50,314 WARN L188 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 104 [2019-09-08 12:01:50,779 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 42 [2019-09-08 12:01:51,206 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 74 [2019-09-08 12:01:51,504 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 48 [2019-09-08 12:01:52,250 WARN L188 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 86 [2019-09-08 12:01:52,768 WARN L188 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 101 [2019-09-08 12:01:53,507 WARN L188 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 132 [2019-09-08 12:01:54,230 WARN L188 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 138 [2019-09-08 12:01:54,820 WARN L188 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 116 [2019-09-08 12:01:55,679 WARN L188 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 132 [2019-09-08 12:01:56,240 WARN L188 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 95 [2019-09-08 12:01:56,684 WARN L188 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 89 [2019-09-08 12:01:57,237 WARN L188 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 69 [2019-09-08 12:01:57,603 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 77 [2019-09-08 12:01:57,873 WARN L188 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 70 [2019-09-08 12:01:58,268 WARN L188 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 86 [2019-09-08 12:01:58,807 WARN L188 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 104 [2019-09-08 12:01:59,517 WARN L188 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 115 [2019-09-08 12:02:00,303 WARN L188 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 134 [2019-09-08 12:02:01,293 WARN L188 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 150 [2019-09-08 12:02:01,917 WARN L188 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 120 [2019-09-08 12:02:02,528 WARN L188 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 113 [2019-09-08 12:02:03,085 WARN L188 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 107 [2019-09-08 12:02:03,483 WARN L188 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 75 [2019-09-08 12:02:03,969 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2019-09-08 12:02:04,369 WARN L188 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 88 [2019-09-08 12:02:04,650 WARN L188 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 74 [2019-09-08 12:02:05,785 WARN L188 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 133 [2019-09-08 12:02:06,792 WARN L188 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 148 [2019-09-08 12:02:07,563 WARN L188 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 138 [2019-09-08 12:02:07,874 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 39 [2019-09-08 12:02:08,164 WARN L188 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 70 [2019-09-08 12:02:08,524 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 87 [2019-09-08 12:02:08,745 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 49 [2019-09-08 12:02:09,305 WARN L188 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 77 [2019-09-08 12:02:10,272 WARN L188 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 153 [2019-09-08 12:02:11,061 WARN L188 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 144 [2019-09-08 12:02:12,066 WARN L188 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 160 [2019-09-08 12:02:12,630 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 70 [2019-09-08 12:02:12,955 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 77 [2019-09-08 12:02:13,788 WARN L188 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 117 [2019-09-08 12:02:14,291 WARN L188 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 80 [2019-09-08 12:02:15,130 WARN L188 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 149 [2019-09-08 12:02:16,243 WARN L188 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 165 [2019-09-08 12:02:17,012 WARN L188 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 148 [2019-09-08 12:02:18,301 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2019-09-08 12:02:19,059 WARN L188 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 122 [2019-09-08 12:02:19,522 WARN L188 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 76 [2019-09-08 12:02:20,350 WARN L188 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 153 [2019-09-08 12:02:21,562 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 50 [2019-09-08 12:02:21,911 WARN L188 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 68 [2019-09-08 12:02:23,016 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 55 [2019-09-08 12:02:23,932 WARN L188 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 86 [2019-09-08 12:02:24,895 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 48 [2019-09-08 12:02:25,118 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 54 [2019-09-08 12:02:27,677 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 76 [2019-09-08 12:02:29,140 WARN L188 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 68 [2019-09-08 12:02:30,487 WARN L188 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2019-09-08 12:02:31,766 WARN L188 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 73 [2019-09-08 12:02:32,200 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2019-09-08 12:02:33,356 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 65 [2019-09-08 12:02:35,536 WARN L188 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 71 [2019-09-08 12:02:35,864 WARN L188 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2019-09-08 12:02:36,223 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2019-09-08 12:02:36,674 WARN L188 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 96 [2019-09-08 12:02:37,366 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2019-09-08 12:02:38,896 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 65 [2019-09-08 12:02:40,283 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 80 [2019-09-08 12:02:40,777 WARN L188 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 92 [2019-09-08 12:02:41,101 WARN L188 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2019-09-08 12:02:41,507 WARN L188 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 86