/usr/bin/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 --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label40.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 22:53:00,626 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 22:53:00,629 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 22:53:00,655 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-09-04 22:53:00,667 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 22:53:00,668 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 22:53:00,669 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 22:53:00,670 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 22:53:00,671 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 22:53:00,673 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 22:53:00,674 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 22:53:00,676 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 22:53:00,678 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 22:53:00,679 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 22:53:00,681 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 22:53:00,682 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 22:53:00,684 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-04 22:53:00,693 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 22:53:00,695 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 22:53:00,696 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 22:53:00,697 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-09-04 22:53:00,709 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 22:53:00,709 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 22:53:00,711 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 22:53:00,711 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 22:53:00,711 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 22:53:00,711 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 22:53:00,711 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 22:53:00,712 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 22:53:00,712 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 22:53:00,712 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 22:53:00,712 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 22:53:00,712 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 22:53:00,712 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 22:53:00,713 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 22:53:00,713 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 22:53:00,713 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 22:53:00,713 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 22:53:00,714 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 22:53:00,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 22:53:00,714 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 22:53:00,714 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 22:53:00,714 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 22:53:00,715 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-09-04 22:53:01,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 22:53:01,208 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 22:53:01,213 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 22:53:01,217 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 22:53:01,218 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 22:53:01,219 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label40.c [2020-09-04 22:53:01,296 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/02e869c55/efcc903f0c2947fab7d9416919235df2/FLAGe08d175fc [2020-09-04 22:53:01,988 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 22:53:01,989 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label40.c [2020-09-04 22:53:02,005 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/02e869c55/efcc903f0c2947fab7d9416919235df2/FLAGe08d175fc [2020-09-04 22:53:02,141 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/02e869c55/efcc903f0c2947fab7d9416919235df2 [2020-09-04 22:53:02,155 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 22:53:02,156 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 22:53:02,158 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 22:53:02,158 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 22:53:02,162 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 22:53:02,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 10:53:02" (1/1) ... [2020-09-04 22:53:02,168 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d48d131 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:53:02, skipping insertion in model container [2020-09-04 22:53:02,168 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 10:53:02" (1/1) ... [2020-09-04 22:53:02,178 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 22:53:02,236 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 22:53:02,751 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 22:53:02,759 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 22:53:02,960 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 22:53:02,982 INFO L208 MainTranslator]: Completed translation [2020-09-04 22:53:02,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:53:02 WrapperNode [2020-09-04 22:53:02,983 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 22:53:02,983 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 22:53:02,983 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 22:53:02,984 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 22:53:03,002 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:53:02" (1/1) ... [2020-09-04 22:53:03,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:53:02" (1/1) ... [2020-09-04 22:53:03,023 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:53:02" (1/1) ... [2020-09-04 22:53:03,023 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:53:02" (1/1) ... [2020-09-04 22:53:03,060 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:53:02" (1/1) ... [2020-09-04 22:53:03,078 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:53:02" (1/1) ... [2020-09-04 22:53:03,086 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:53:02" (1/1) ... [2020-09-04 22:53:03,099 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 22:53:03,100 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 22:53:03,100 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 22:53:03,100 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 22:53:03,104 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:53:02" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 22:53:03,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 22:53:03,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 22:53:03,204 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-04 22:53:03,204 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 22:53:03,204 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-04 22:53:03,204 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 22:53:03,204 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 22:53:03,205 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-04 22:53:03,205 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 22:53:03,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 22:53:03,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 22:53:04,756 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 22:53:04,758 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-04 22:53:04,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 10:53:04 BoogieIcfgContainer [2020-09-04 22:53:04,774 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 22:53:04,775 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 22:53:04,776 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 22:53:04,780 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 22:53:04,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 10:53:02" (1/3) ... [2020-09-04 22:53:04,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14770598 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 10:53:04, skipping insertion in model container [2020-09-04 22:53:04,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:53:02" (2/3) ... [2020-09-04 22:53:04,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14770598 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 10:53:04, skipping insertion in model container [2020-09-04 22:53:04,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 10:53:04" (3/3) ... [2020-09-04 22:53:04,789 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label40.c [2020-09-04 22:53:04,801 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 22:53:04,815 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 22:53:04,839 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 22:53:04,866 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 22:53:04,867 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 22:53:04,867 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-04 22:53:04,867 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 22:53:04,867 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 22:53:04,867 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 22:53:04,867 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 22:53:04,868 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 22:53:04,891 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states. [2020-09-04 22:53:04,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-09-04 22:53:04,907 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 22:53:04,908 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 22:53:04,909 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 22:53:04,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 22:53:04,917 INFO L82 PathProgramCache]: Analyzing trace with hash 1046899727, now seen corresponding path program 1 times [2020-09-04 22:53:04,929 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 22:53:04,930 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [117213915] [2020-09-04 22:53:04,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 22:53:05,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:53:05,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 22:53:05,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:53:05,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 22:53:05,391 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [117213915] [2020-09-04 22:53:05,393 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 22:53:05,394 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-04 22:53:05,395 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523181988] [2020-09-04 22:53:05,402 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 22:53:05,402 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 22:53:05,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 22:53:05,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 22:53:05,424 INFO L87 Difference]: Start difference. First operand 456 states. Second operand 5 states. [2020-09-04 22:53:08,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 22:53:08,094 INFO L93 Difference]: Finished difference Result 1226 states and 1797 transitions. [2020-09-04 22:53:08,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-04 22:53:08,096 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 68 [2020-09-04 22:53:08,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 22:53:08,121 INFO L225 Difference]: With dead ends: 1226 [2020-09-04 22:53:08,122 INFO L226 Difference]: Without dead ends: 707 [2020-09-04 22:53:08,134 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-04 22:53:08,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2020-09-04 22:53:08,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 695. [2020-09-04 22:53:08,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 695 states. [2020-09-04 22:53:08,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 926 transitions. [2020-09-04 22:53:08,299 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 926 transitions. Word has length 68 [2020-09-04 22:53:08,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 22:53:08,300 INFO L479 AbstractCegarLoop]: Abstraction has 695 states and 926 transitions. [2020-09-04 22:53:08,300 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 22:53:08,301 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 926 transitions. [2020-09-04 22:53:08,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-09-04 22:53:08,310 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 22:53:08,311 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 22:53:08,311 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 22:53:08,311 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 22:53:08,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 22:53:08,312 INFO L82 PathProgramCache]: Analyzing trace with hash -160289432, now seen corresponding path program 1 times [2020-09-04 22:53:08,312 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 22:53:08,312 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1625430278] [2020-09-04 22:53:08,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 22:53:08,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:53:08,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 22:53:08,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:53:08,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 22:53:08,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:53:08,641 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 22:53:08,641 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1625430278] [2020-09-04 22:53:08,642 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 22:53:08,642 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-04 22:53:08,643 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897294278] [2020-09-04 22:53:08,646 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 22:53:08,647 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 22:53:08,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 22:53:08,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-04 22:53:08,648 INFO L87 Difference]: Start difference. First operand 695 states and 926 transitions. Second operand 8 states. [2020-09-04 22:53:11,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 22:53:11,004 INFO L93 Difference]: Finished difference Result 1559 states and 2130 transitions. [2020-09-04 22:53:11,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-04 22:53:11,007 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 151 [2020-09-04 22:53:11,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 22:53:11,016 INFO L225 Difference]: With dead ends: 1559 [2020-09-04 22:53:11,017 INFO L226 Difference]: Without dead ends: 879 [2020-09-04 22:53:11,021 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-09-04 22:53:11,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states. [2020-09-04 22:53:11,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 853. [2020-09-04 22:53:11,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 853 states. [2020-09-04 22:53:11,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 853 states and 1090 transitions. [2020-09-04 22:53:11,106 INFO L78 Accepts]: Start accepts. Automaton has 853 states and 1090 transitions. Word has length 151 [2020-09-04 22:53:11,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 22:53:11,107 INFO L479 AbstractCegarLoop]: Abstraction has 853 states and 1090 transitions. [2020-09-04 22:53:11,107 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 22:53:11,107 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1090 transitions. [2020-09-04 22:53:11,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-09-04 22:53:11,111 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 22:53:11,111 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 22:53:11,112 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 22:53:11,112 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 22:53:11,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 22:53:11,112 INFO L82 PathProgramCache]: Analyzing trace with hash 1824017853, now seen corresponding path program 1 times [2020-09-04 22:53:11,113 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 22:53:11,113 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [130634203] [2020-09-04 22:53:11,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 22:53:11,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:53:11,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 22:53:11,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:53:11,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 22:53:11,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:53:11,579 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 7 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 22:53:11,579 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [130634203] [2020-09-04 22:53:11,580 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 22:53:11,580 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-04 22:53:11,580 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578767964] [2020-09-04 22:53:11,581 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 22:53:11,581 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 22:53:11,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 22:53:11,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-04 22:53:11,582 INFO L87 Difference]: Start difference. First operand 853 states and 1090 transitions. Second operand 8 states. [2020-09-04 22:53:15,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 22:53:15,291 INFO L93 Difference]: Finished difference Result 2976 states and 4114 transitions. [2020-09-04 22:53:15,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-04 22:53:15,294 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 157 [2020-09-04 22:53:15,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 22:53:15,345 INFO L225 Difference]: With dead ends: 2976 [2020-09-04 22:53:15,346 INFO L226 Difference]: Without dead ends: 2138 [2020-09-04 22:53:15,354 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2020-09-04 22:53:15,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2138 states. [2020-09-04 22:53:15,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2138 to 1839. [2020-09-04 22:53:15,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1839 states. [2020-09-04 22:53:15,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1839 states to 1839 states and 2431 transitions. [2020-09-04 22:53:15,677 INFO L78 Accepts]: Start accepts. Automaton has 1839 states and 2431 transitions. Word has length 157 [2020-09-04 22:53:15,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 22:53:15,678 INFO L479 AbstractCegarLoop]: Abstraction has 1839 states and 2431 transitions. [2020-09-04 22:53:15,679 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 22:53:15,679 INFO L276 IsEmpty]: Start isEmpty. Operand 1839 states and 2431 transitions. [2020-09-04 22:53:15,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-09-04 22:53:15,687 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 22:53:15,687 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 22:53:15,687 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 22:53:15,688 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 22:53:15,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 22:53:15,688 INFO L82 PathProgramCache]: Analyzing trace with hash -835987883, now seen corresponding path program 1 times [2020-09-04 22:53:15,688 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 22:53:15,689 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [109321710] [2020-09-04 22:53:15,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 22:53:15,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:53:15,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 22:53:15,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:53:15,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 22:53:15,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:53:15,976 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 22:53:15,977 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [109321710] [2020-09-04 22:53:15,977 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 22:53:15,977 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-04 22:53:15,978 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487823660] [2020-09-04 22:53:15,980 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-04 22:53:15,980 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 22:53:15,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-04 22:53:15,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-04 22:53:15,981 INFO L87 Difference]: Start difference. First operand 1839 states and 2431 transitions. Second operand 7 states. [2020-09-04 22:53:18,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 22:53:18,408 INFO L93 Difference]: Finished difference Result 4383 states and 5915 transitions. [2020-09-04 22:53:18,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-04 22:53:18,409 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 166 [2020-09-04 22:53:18,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 22:53:18,430 INFO L225 Difference]: With dead ends: 4383 [2020-09-04 22:53:18,430 INFO L226 Difference]: Without dead ends: 2559 [2020-09-04 22:53:18,438 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-09-04 22:53:18,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2559 states. [2020-09-04 22:53:18,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2559 to 2194. [2020-09-04 22:53:18,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2194 states. [2020-09-04 22:53:18,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2194 states to 2194 states and 2942 transitions. [2020-09-04 22:53:18,652 INFO L78 Accepts]: Start accepts. Automaton has 2194 states and 2942 transitions. Word has length 166 [2020-09-04 22:53:18,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 22:53:18,652 INFO L479 AbstractCegarLoop]: Abstraction has 2194 states and 2942 transitions. [2020-09-04 22:53:18,652 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-04 22:53:18,653 INFO L276 IsEmpty]: Start isEmpty. Operand 2194 states and 2942 transitions. [2020-09-04 22:53:18,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-09-04 22:53:18,657 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 22:53:18,657 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 22:53:18,658 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-04 22:53:18,658 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 22:53:18,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 22:53:18,658 INFO L82 PathProgramCache]: Analyzing trace with hash 1830974367, now seen corresponding path program 1 times [2020-09-04 22:53:18,659 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 22:53:18,659 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [732397777] [2020-09-04 22:53:18,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 22:53:18,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:53:18,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 22:53:18,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:53:18,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 22:53:18,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:53:18,991 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 22:53:18,992 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [732397777] [2020-09-04 22:53:18,992 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 22:53:18,992 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-04 22:53:18,993 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667413121] [2020-09-04 22:53:18,994 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 22:53:18,994 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 22:53:18,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 22:53:18,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-04 22:53:18,995 INFO L87 Difference]: Start difference. First operand 2194 states and 2942 transitions. Second operand 8 states. [2020-09-04 22:53:22,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 22:53:22,403 INFO L93 Difference]: Finished difference Result 6113 states and 8521 transitions. [2020-09-04 22:53:22,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-04 22:53:22,403 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 190 [2020-09-04 22:53:22,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 22:53:22,450 INFO L225 Difference]: With dead ends: 6113 [2020-09-04 22:53:22,450 INFO L226 Difference]: Without dead ends: 4084 [2020-09-04 22:53:22,463 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-09-04 22:53:22,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4084 states. [2020-09-04 22:53:22,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4084 to 3880. [2020-09-04 22:53:22,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3880 states. [2020-09-04 22:53:22,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3880 states to 3880 states and 5053 transitions. [2020-09-04 22:53:22,936 INFO L78 Accepts]: Start accepts. Automaton has 3880 states and 5053 transitions. Word has length 190 [2020-09-04 22:53:22,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 22:53:22,936 INFO L479 AbstractCegarLoop]: Abstraction has 3880 states and 5053 transitions. [2020-09-04 22:53:22,937 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 22:53:22,937 INFO L276 IsEmpty]: Start isEmpty. Operand 3880 states and 5053 transitions. [2020-09-04 22:53:22,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-09-04 22:53:22,942 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 22:53:22,942 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 22:53:22,942 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-04 22:53:22,943 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 22:53:22,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 22:53:22,943 INFO L82 PathProgramCache]: Analyzing trace with hash 1089799840, now seen corresponding path program 1 times [2020-09-04 22:53:22,943 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 22:53:22,944 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [732016116] [2020-09-04 22:53:22,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 22:53:22,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:53:23,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 22:53:23,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:53:23,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 22:53:23,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:53:23,247 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 22:53:23,248 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [732016116] [2020-09-04 22:53:23,248 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 22:53:23,249 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-04 22:53:23,249 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971593195] [2020-09-04 22:53:23,249 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-04 22:53:23,250 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 22:53:23,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-04 22:53:23,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-04 22:53:23,250 INFO L87 Difference]: Start difference. First operand 3880 states and 5053 transitions. Second operand 7 states. [2020-09-04 22:53:25,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 22:53:25,632 INFO L93 Difference]: Finished difference Result 7626 states and 10011 transitions. [2020-09-04 22:53:25,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-04 22:53:25,636 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 195 [2020-09-04 22:53:25,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 22:53:25,670 INFO L225 Difference]: With dead ends: 7626 [2020-09-04 22:53:25,671 INFO L226 Difference]: Without dead ends: 3911 [2020-09-04 22:53:25,687 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-09-04 22:53:25,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3911 states. [2020-09-04 22:53:26,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3911 to 3894. [2020-09-04 22:53:26,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3894 states. [2020-09-04 22:53:26,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3894 states to 3894 states and 5093 transitions. [2020-09-04 22:53:26,047 INFO L78 Accepts]: Start accepts. Automaton has 3894 states and 5093 transitions. Word has length 195 [2020-09-04 22:53:26,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 22:53:26,048 INFO L479 AbstractCegarLoop]: Abstraction has 3894 states and 5093 transitions. [2020-09-04 22:53:26,048 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-04 22:53:26,048 INFO L276 IsEmpty]: Start isEmpty. Operand 3894 states and 5093 transitions. [2020-09-04 22:53:26,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-09-04 22:53:26,054 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 22:53:26,055 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 22:53:26,055 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-04 22:53:26,055 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 22:53:26,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 22:53:26,056 INFO L82 PathProgramCache]: Analyzing trace with hash 706836333, now seen corresponding path program 1 times [2020-09-04 22:53:26,056 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 22:53:26,056 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2107727795] [2020-09-04 22:53:26,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 22:53:26,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:53:26,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 22:53:26,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:53:26,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 22:53:26,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:53:26,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 22:53:26,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:53:26,372 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 170 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-04 22:53:26,372 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2107727795] [2020-09-04 22:53:26,373 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 22:53:26,373 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-04 22:53:26,373 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531056821] [2020-09-04 22:53:26,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 22:53:26,374 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 22:53:26,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 22:53:26,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-09-04 22:53:26,375 INFO L87 Difference]: Start difference. First operand 3894 states and 5093 transitions. Second operand 10 states. [2020-09-04 22:53:32,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 22:53:32,301 INFO L93 Difference]: Finished difference Result 9355 states and 12299 transitions. [2020-09-04 22:53:32,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-04 22:53:32,307 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 236 [2020-09-04 22:53:32,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 22:53:32,344 INFO L225 Difference]: With dead ends: 9355 [2020-09-04 22:53:32,345 INFO L226 Difference]: Without dead ends: 5626 [2020-09-04 22:53:32,360 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=136, Invalid=464, Unknown=0, NotChecked=0, Total=600 [2020-09-04 22:53:32,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5626 states. [2020-09-04 22:53:32,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5626 to 3952. [2020-09-04 22:53:32,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3952 states. [2020-09-04 22:53:32,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3952 states to 3952 states and 4831 transitions. [2020-09-04 22:53:32,827 INFO L78 Accepts]: Start accepts. Automaton has 3952 states and 4831 transitions. Word has length 236 [2020-09-04 22:53:32,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 22:53:32,828 INFO L479 AbstractCegarLoop]: Abstraction has 3952 states and 4831 transitions. [2020-09-04 22:53:32,828 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 22:53:32,828 INFO L276 IsEmpty]: Start isEmpty. Operand 3952 states and 4831 transitions. [2020-09-04 22:53:32,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2020-09-04 22:53:32,836 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 22:53:32,836 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 22:53:32,836 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-04 22:53:32,837 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 22:53:32,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 22:53:32,837 INFO L82 PathProgramCache]: Analyzing trace with hash -585547793, now seen corresponding path program 1 times [2020-09-04 22:53:32,837 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 22:53:32,837 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1039581352] [2020-09-04 22:53:32,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 22:53:32,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:53:33,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 22:53:33,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:53:33,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 22:53:33,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:53:33,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 22:53:33,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:53:33,295 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2020-09-04 22:53:33,296 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1039581352] [2020-09-04 22:53:33,296 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 22:53:33,297 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-04 22:53:33,297 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458725824] [2020-09-04 22:53:33,298 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 22:53:33,298 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 22:53:33,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 22:53:33,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-09-04 22:53:33,299 INFO L87 Difference]: Start difference. First operand 3952 states and 4831 transitions. Second operand 10 states. [2020-09-04 22:53:37,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 22:53:37,409 INFO L93 Difference]: Finished difference Result 9063 states and 11175 transitions. [2020-09-04 22:53:37,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-04 22:53:37,410 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 269 [2020-09-04 22:53:37,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 22:53:37,447 INFO L225 Difference]: With dead ends: 9063 [2020-09-04 22:53:37,447 INFO L226 Difference]: Without dead ends: 5244 [2020-09-04 22:53:37,460 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=83, Invalid=127, Unknown=0, NotChecked=0, Total=210 [2020-09-04 22:53:37,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5244 states. [2020-09-04 22:53:38,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5244 to 4901. [2020-09-04 22:53:38,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4901 states. [2020-09-04 22:53:38,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4901 states to 4901 states and 6049 transitions. [2020-09-04 22:53:38,221 INFO L78 Accepts]: Start accepts. Automaton has 4901 states and 6049 transitions. Word has length 269 [2020-09-04 22:53:38,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 22:53:38,222 INFO L479 AbstractCegarLoop]: Abstraction has 4901 states and 6049 transitions. [2020-09-04 22:53:38,222 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 22:53:38,222 INFO L276 IsEmpty]: Start isEmpty. Operand 4901 states and 6049 transitions. [2020-09-04 22:53:38,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2020-09-04 22:53:38,234 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 22:53:38,234 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-04 22:53:38,234 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-04 22:53:38,235 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 22:53:38,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 22:53:38,235 INFO L82 PathProgramCache]: Analyzing trace with hash -1995565262, now seen corresponding path program 1 times [2020-09-04 22:53:38,235 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 22:53:38,236 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1347031903] [2020-09-04 22:53:38,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 22:53:38,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:53:38,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 22:53:38,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:53:38,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 22:53:38,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:53:38,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-09-04 22:53:38,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:53:38,690 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 179 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-04 22:53:38,691 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1347031903] [2020-09-04 22:53:38,691 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 22:53:38,691 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-04 22:53:38,696 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364643544] [2020-09-04 22:53:38,696 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 22:53:38,697 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 22:53:38,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 22:53:38,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-09-04 22:53:38,700 INFO L87 Difference]: Start difference. First operand 4901 states and 6049 transitions. Second operand 11 states. [2020-09-04 22:53:44,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 22:53:44,128 INFO L93 Difference]: Finished difference Result 12653 states and 15868 transitions. [2020-09-04 22:53:44,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-04 22:53:44,129 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 284 [2020-09-04 22:53:44,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 22:53:44,157 INFO L225 Difference]: With dead ends: 12653 [2020-09-04 22:53:44,158 INFO L226 Difference]: Without dead ends: 5690 [2020-09-04 22:53:44,177 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=327, Unknown=0, NotChecked=0, Total=420 [2020-09-04 22:53:44,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5690 states. [2020-09-04 22:53:44,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5690 to 4181. [2020-09-04 22:53:44,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4181 states. [2020-09-04 22:53:44,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4181 states to 4181 states and 4764 transitions. [2020-09-04 22:53:44,763 INFO L78 Accepts]: Start accepts. Automaton has 4181 states and 4764 transitions. Word has length 284 [2020-09-04 22:53:44,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 22:53:44,764 INFO L479 AbstractCegarLoop]: Abstraction has 4181 states and 4764 transitions. [2020-09-04 22:53:44,764 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 22:53:44,764 INFO L276 IsEmpty]: Start isEmpty. Operand 4181 states and 4764 transitions. [2020-09-04 22:53:44,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2020-09-04 22:53:44,776 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 22:53:44,776 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 22:53:44,776 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-04 22:53:44,777 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 22:53:44,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 22:53:44,777 INFO L82 PathProgramCache]: Analyzing trace with hash 1248385123, now seen corresponding path program 1 times [2020-09-04 22:53:44,777 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 22:53:44,778 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [212742569] [2020-09-04 22:53:44,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 22:53:44,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:53:44,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 22:53:44,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:53:45,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 22:53:45,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:53:45,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-09-04 22:53:45,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:53:45,675 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 191 proven. 33 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-04 22:53:45,676 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [212742569] [2020-09-04 22:53:45,676 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 22:53:45,676 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-04 22:53:45,676 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718228507] [2020-09-04 22:53:45,677 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-04 22:53:45,677 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 22:53:45,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-04 22:53:45,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2020-09-04 22:53:45,678 INFO L87 Difference]: Start difference. First operand 4181 states and 4764 transitions. Second operand 15 states. [2020-09-04 22:53:52,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 22:53:52,375 INFO L93 Difference]: Finished difference Result 8870 states and 10171 transitions. [2020-09-04 22:53:52,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-09-04 22:53:52,376 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 319 [2020-09-04 22:53:52,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 22:53:52,396 INFO L225 Difference]: With dead ends: 8870 [2020-09-04 22:53:52,396 INFO L226 Difference]: Without dead ends: 4859 [2020-09-04 22:53:52,406 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 418 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=349, Invalid=1211, Unknown=0, NotChecked=0, Total=1560 [2020-09-04 22:53:52,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4859 states. [2020-09-04 22:53:52,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4859 to 4335. [2020-09-04 22:53:52,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4335 states. [2020-09-04 22:53:52,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4335 states to 4335 states and 4924 transitions. [2020-09-04 22:53:52,930 INFO L78 Accepts]: Start accepts. Automaton has 4335 states and 4924 transitions. Word has length 319 [2020-09-04 22:53:52,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 22:53:52,930 INFO L479 AbstractCegarLoop]: Abstraction has 4335 states and 4924 transitions. [2020-09-04 22:53:52,931 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-04 22:53:52,931 INFO L276 IsEmpty]: Start isEmpty. Operand 4335 states and 4924 transitions. [2020-09-04 22:53:52,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2020-09-04 22:53:52,942 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 22:53:52,943 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 22:53:52,943 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-04 22:53:52,943 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 22:53:52,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 22:53:52,944 INFO L82 PathProgramCache]: Analyzing trace with hash -2128216036, now seen corresponding path program 1 times [2020-09-04 22:53:52,944 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 22:53:52,944 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2017143226] [2020-09-04 22:53:52,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 22:53:53,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:53:53,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 22:53:53,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:53:53,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 22:53:53,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:53:53,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-09-04 22:53:53,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:53:53,407 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2020-09-04 22:53:53,408 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2017143226] [2020-09-04 22:53:53,408 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 22:53:53,408 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-04 22:53:53,409 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832942102] [2020-09-04 22:53:53,409 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 22:53:53,410 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 22:53:53,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 22:53:53,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 22:53:53,411 INFO L87 Difference]: Start difference. First operand 4335 states and 4924 transitions. Second operand 5 states. [2020-09-04 22:53:56,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 22:53:56,053 INFO L93 Difference]: Finished difference Result 9478 states and 10796 transitions. [2020-09-04 22:53:56,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-04 22:53:56,054 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 337 [2020-09-04 22:53:56,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 22:53:56,064 INFO L225 Difference]: With dead ends: 9478 [2020-09-04 22:53:56,065 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 22:53:56,094 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-04 22:53:56,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 22:53:56,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 22:53:56,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 22:53:56,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 22:53:56,095 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 337 [2020-09-04 22:53:56,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 22:53:56,096 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 22:53:56,096 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 22:53:56,096 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 22:53:56,096 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 22:53:56,097 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-04 22:53:56,100 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 22:53:57,969 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2020-09-04 22:53:59,005 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 58 [2020-09-04 22:53:59,190 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 60 [2020-09-04 22:54:00,549 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2020-09-04 22:54:07,702 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 74 [2020-09-04 22:54:10,644 WARN L193 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 180 [2020-09-04 22:54:11,168 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 180 [2020-09-04 22:54:11,693 WARN L193 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 180 [2020-09-04 22:54:12,753 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2020-09-04 22:54:29,693 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 49 [2020-09-04 22:54:41,227 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 180 [2020-09-04 22:54:45,572 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 64 [2020-09-04 22:55:02,466 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2020-09-04 22:55:02,585 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2020-09-04 22:55:02,702 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2020-09-04 22:55:02,834 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2020-09-04 22:55:02,949 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2020-09-04 22:55:03,062 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2020-09-04 22:55:03,180 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2020-09-04 22:55:03,295 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2020-09-04 22:55:03,408 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2020-09-04 22:55:03,550 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2020-09-04 22:55:03,663 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2020-09-04 22:55:03,777 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2020-09-04 22:55:03,893 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2020-09-04 22:55:04,011 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2020-09-04 22:55:04,134 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2020-09-04 22:55:04,248 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2020-09-04 22:55:20,251 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2020-09-04 22:55:20,372 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2020-09-04 22:55:20,487 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2020-09-04 22:55:20,615 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2020-09-04 22:55:20,730 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2020-09-04 22:55:20,843 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2020-09-04 22:55:20,960 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2020-09-04 22:55:21,075 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2020-09-04 22:55:21,187 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2020-09-04 22:55:21,323 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2020-09-04 22:55:21,436 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2020-09-04 22:55:21,550 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2020-09-04 22:55:21,666 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2020-09-04 22:55:21,782 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2020-09-04 22:55:21,900 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2020-09-04 22:55:22,014 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2020-09-04 22:55:34,709 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 59 [2020-09-04 22:55:49,346 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2020-09-04 22:55:49,464 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2020-09-04 22:55:49,581 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2020-09-04 22:55:49,710 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2020-09-04 22:55:49,826 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2020-09-04 22:55:49,939 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2020-09-04 22:55:50,056 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2020-09-04 22:55:50,171 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2020-09-04 22:55:50,283 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2020-09-04 22:55:50,418 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2020-09-04 22:55:50,531 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2020-09-04 22:55:50,645 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2020-09-04 22:55:50,761 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2020-09-04 22:55:50,883 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2020-09-04 22:55:51,003 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2020-09-04 22:55:51,117 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2020-09-04 22:55:51,884 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2020-09-04 22:56:10,762 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 62 [2020-09-04 22:56:16,180 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2020-09-04 22:56:16,297 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2020-09-04 22:56:16,413 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2020-09-04 22:56:16,541 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2020-09-04 22:56:16,657 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2020-09-04 22:56:16,771 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2020-09-04 22:56:16,891 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2020-09-04 22:56:17,006 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2020-09-04 22:56:17,118 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2020-09-04 22:56:17,252 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2020-09-04 22:56:17,365 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2020-09-04 22:56:17,478 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2020-09-04 22:56:17,599 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2020-09-04 22:56:17,716 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2020-09-04 22:56:17,834 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2020-09-04 22:56:17,948 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2020-09-04 22:56:28,505 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 55 [2020-09-04 22:56:49,903 WARN L193 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 180 [2020-09-04 22:57:05,930 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 59 [2020-09-04 22:57:25,360 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 53 [2020-09-04 22:57:45,646 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2020-09-04 22:58:15,763 WARN L193 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 180 [2020-09-04 22:58:16,282 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 180 [2020-09-04 22:58:16,802 WARN L193 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 180 [2020-09-04 22:58:17,321 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 180 [2020-09-04 22:58:17,579 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 120 [2020-09-04 22:58:17,728 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 89 [2020-09-04 22:58:17,949 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 110 [2020-09-04 22:58:18,082 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 106 [2020-09-04 22:58:18,188 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 102 [2020-09-04 22:58:18,313 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 89 [2020-09-04 22:58:18,431 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 96 [2020-09-04 22:58:18,755 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 114 [2020-09-04 22:58:18,868 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 102 [2020-09-04 22:58:19,084 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2020-09-04 22:58:19,193 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2020-09-04 22:58:19,486 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 79 [2020-09-04 22:58:19,778 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 117 [2020-09-04 22:58:20,155 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 131 [2020-09-04 22:58:20,437 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 105 [2020-09-04 22:58:20,793 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 114 [2020-09-04 22:58:21,143 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 130 [2020-09-04 22:58:21,328 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 101 [2020-09-04 22:58:21,438 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2020-09-04 22:58:21,567 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 110 [2020-09-04 22:58:21,735 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 91 [2020-09-04 22:58:22,150 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 79 [2020-09-04 22:58:22,261 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 49 [2020-09-04 22:58:22,454 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2020-09-04 22:58:23,075 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 102 [2020-09-04 22:58:23,230 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 103 [2020-09-04 22:58:23,520 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 114 [2020-09-04 22:58:23,769 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 113 [2020-09-04 22:58:24,109 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 131 [2020-09-04 22:58:24,485 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 111 [2020-09-04 22:58:24,792 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 111 [2020-09-04 22:58:25,050 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 105 [2020-09-04 22:58:25,387 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 110 [2020-09-04 22:58:25,520 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2020-09-04 22:58:25,735 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 101 [2020-09-04 22:58:25,883 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 105 [2020-09-04 22:58:28,198 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 120 [2020-09-04 22:58:28,349 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 89 [2020-09-04 22:58:28,567 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 110 [2020-09-04 22:58:28,703 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 106 [2020-09-04 22:58:28,809 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 102 [2020-09-04 22:58:28,935 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 89 [2020-09-04 22:58:29,053 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 96 [2020-09-04 22:58:29,378 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 114 [2020-09-04 22:58:29,491 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 102 [2020-09-04 22:58:29,708 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2020-09-04 22:58:29,817 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2020-09-04 22:58:30,112 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 79 [2020-09-04 22:58:30,404 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 117 [2020-09-04 22:58:30,782 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 131 [2020-09-04 22:58:31,064 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 105 [2020-09-04 22:58:31,419 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 114 [2020-09-04 22:58:31,768 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 130 [2020-09-04 22:58:31,953 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 101 [2020-09-04 22:58:32,063 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2020-09-04 22:58:32,193 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 110 [2020-09-04 22:58:32,361 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 91 [2020-09-04 22:58:32,777 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 79 [2020-09-04 22:58:33,036 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2020-09-04 22:58:33,653 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 102 [2020-09-04 22:58:33,807 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 103 [2020-09-04 22:58:34,098 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 114 [2020-09-04 22:58:34,348 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 113 [2020-09-04 22:58:34,689 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 131 [2020-09-04 22:58:35,064 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 111 [2020-09-04 22:58:35,371 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 111 [2020-09-04 22:58:35,630 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 105 [2020-09-04 22:58:35,967 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 110 [2020-09-04 22:58:36,100 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2020-09-04 22:58:36,316 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 101 [2020-09-04 22:58:36,466 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 105 [2020-09-04 22:59:56,578 WARN L193 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 180 [2020-09-04 23:00:15,206 WARN L193 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 50 [2020-09-04 23:00:16,112 WARN L193 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 62 [2020-09-04 23:00:17,157 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 209 DAG size of output: 57 [2020-09-04 23:00:18,012 WARN L193 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 51 [2020-09-04 23:00:18,740 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 51 [2020-09-04 23:00:19,574 WARN L193 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 53 [2020-09-04 23:00:22,092 WARN L193 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 323 DAG size of output: 59 [2020-09-04 23:00:22,979 WARN L193 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 54 [2020-09-04 23:00:23,981 WARN L193 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 59 [2020-09-04 23:00:24,830 WARN L193 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 47 [2020-09-04 23:00:27,285 WARN L193 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 323 DAG size of output: 59 [2020-09-04 23:00:29,740 WARN L193 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 323 DAG size of output: 59 [2020-09-04 23:00:30,758 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 199 DAG size of output: 66 [2020-09-04 23:00:31,649 WARN L193 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 60 [2020-09-04 23:00:32,652 WARN L193 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 55 [2020-09-04 23:00:33,529 WARN L193 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 46 [2020-09-04 23:00:34,755 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 219 DAG size of output: 55 [2020-09-04 23:00:35,845 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 204 DAG size of output: 64 [2020-09-04 23:00:36,726 WARN L193 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 52 [2020-09-04 23:00:37,957 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 233 DAG size of output: 62 [2020-09-04 23:00:38,896 WARN L193 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 56 [2020-09-04 23:00:40,071 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 218 DAG size of output: 44 [2020-09-04 23:00:41,271 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 198 DAG size of output: 51 [2020-09-04 23:00:42,423 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 205 DAG size of output: 59 [2020-09-04 23:00:43,540 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 213 DAG size of output: 53 [2020-09-04 23:00:44,529 WARN L193 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 61 [2020-09-04 23:00:45,580 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 171 DAG size of output: 50 [2020-09-04 23:00:46,599 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 171 DAG size of output: 50 [2020-09-04 23:00:47,624 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 171 DAG size of output: 50 [2020-09-04 23:00:48,798 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 199 DAG size of output: 67 [2020-09-04 23:00:49,843 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 215 DAG size of output: 55 [2020-09-04 23:00:52,340 WARN L193 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 323 DAG size of output: 59 [2020-09-04 23:00:54,253 WARN L193 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 320 DAG size of output: 54 [2020-09-04 23:00:54,991 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 44 [2020-09-04 23:00:55,732 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 44 [2020-09-04 23:00:56,478 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 37 [2020-09-04 23:00:58,400 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 320 DAG size of output: 54 [2020-09-04 23:00:59,147 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 37 [2020-09-04 23:01:01,047 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 320 DAG size of output: 54 [2020-09-04 23:01:03,004 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 320 DAG size of output: 54 [2020-09-04 23:01:03,756 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 37 [2020-09-04 23:01:04,505 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 37 [2020-09-04 23:01:06,420 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 320 DAG size of output: 54 [2020-09-04 23:01:08,260 WARN L193 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 321 DAG size of output: 48 [2020-09-04 23:01:09,006 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 37 [2020-09-04 23:01:10,922 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 320 DAG size of output: 54 [2020-09-04 23:01:12,753 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 321 DAG size of output: 48 [2020-09-04 23:01:14,680 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 320 DAG size of output: 54 [2020-09-04 23:01:15,433 WARN L193 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 44 [2020-09-04 23:01:16,195 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 37 [2020-09-04 23:01:16,945 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 37 [2020-09-04 23:01:18,871 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 320 DAG size of output: 54 [2020-09-04 23:01:19,650 WARN L193 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 37 [2020-09-04 23:01:21,582 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 320 DAG size of output: 54 [2020-09-04 23:01:22,623 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 171 DAG size of output: 50 [2020-09-04 23:01:23,661 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 202 DAG size of output: 61 [2020-09-04 23:01:26,210 WARN L193 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 323 DAG size of output: 59 [2020-09-04 23:01:28,748 WARN L193 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 323 DAG size of output: 59 [2020-09-04 23:01:31,308 WARN L193 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 323 DAG size of output: 59 [2020-09-04 23:01:32,262 WARN L193 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 62 [2020-09-04 23:01:34,816 WARN L193 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 323 DAG size of output: 59 [2020-09-04 23:01:37,394 WARN L193 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 323 DAG size of output: 59 [2020-09-04 23:01:38,937 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 200 DAG size of output: 75 [2020-09-04 23:01:39,865 WARN L193 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 46 [2020-09-04 23:01:40,770 WARN L193 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 51 [2020-09-04 23:01:42,029 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 198 DAG size of output: 69 [2020-09-04 23:01:42,949 WARN L193 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 52 [2020-09-04 23:01:44,915 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 320 DAG size of output: 54 [2020-09-04 23:01:46,875 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 320 DAG size of output: 54 [2020-09-04 23:01:47,774 WARN L193 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 47 [2020-09-04 23:01:49,745 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 320 DAG size of output: 54 [2020-09-04 23:01:50,719 WARN L193 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 62 [2020-09-04 23:01:51,963 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 211 DAG size of output: 55 [2020-09-04 23:01:52,962 WARN L193 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 55 [2020-09-04 23:01:54,257 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 200 DAG size of output: 62 [2020-09-04 23:01:56,852 WARN L193 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 323 DAG size of output: 59 [2020-09-04 23:01:57,892 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 202 DAG size of output: 57 [2020-09-04 23:02:00,489 WARN L193 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 323 DAG size of output: 59 [2020-09-04 23:02:01,675 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 218 DAG size of output: 59 [2020-09-04 23:02:02,839 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 228 DAG size of output: 57 [2020-09-04 23:02:03,661 WARN L193 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 46 [2020-09-04 23:02:05,211 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 204 DAG size of output: 71 [2020-09-04 23:02:07,824 WARN L193 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 323 DAG size of output: 59 [2020-09-04 23:02:10,439 WARN L193 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 323 DAG size of output: 59 [2020-09-04 23:02:11,439 WARN L193 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 55 [2020-09-04 23:02:12,479 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 208 DAG size of output: 54 [2020-09-04 23:02:13,785 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 233 DAG size of output: 62 [2020-09-04 23:02:14,724 WARN L193 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 56 [2020-09-04 23:02:15,748 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 203 DAG size of output: 65 [2020-09-04 23:02:16,551 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 53 [2020-09-04 23:02:19,165 WARN L193 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 323 DAG size of output: 59 [2020-09-04 23:02:19,941 WARN L193 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 37 [2020-09-04 23:02:21,930 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 320 DAG size of output: 54 [2020-09-04 23:02:22,846 WARN L193 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 52 [2020-09-04 23:02:24,867 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 320 DAG size of output: 54 [2020-09-04 23:02:25,815 WARN L193 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 48 [2020-09-04 23:02:26,808 WARN L193 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 51 [2020-09-04 23:02:28,810 WARN L193 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 320 DAG size of output: 54 [2020-09-04 23:02:30,010 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 218 DAG size of output: 59 [2020-09-04 23:02:31,198 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 228 DAG size of output: 57 [2020-09-04 23:02:32,247 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 205 DAG size of output: 51 [2020-09-04 23:02:33,065 WARN L193 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 48 [2020-09-04 23:02:34,397 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 203 DAG size of output: 71 [2020-09-04 23:02:35,372 WARN L193 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 54 [2020-09-04 23:02:36,412 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 198 DAG size of output: 58 [2020-09-04 23:02:39,055 WARN L193 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 323 DAG size of output: 59 [2020-09-04 23:02:39,971 WARN L193 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 47 [2020-09-04 23:02:40,909 WARN L193 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 47 [2020-09-04 23:02:43,582 WARN L193 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 323 DAG size of output: 59 [2020-09-04 23:02:45,627 WARN L193 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 320 DAG size of output: 54 [2020-09-04 23:02:46,417 WARN L193 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 37 [2020-09-04 23:02:47,405 WARN L193 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 59 [2020-09-04 23:02:48,180 WARN L193 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 44 [2020-09-04 23:02:49,122 WARN L193 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 57 [2020-09-04 23:02:50,096 WARN L193 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 50 [2020-09-04 23:02:51,411 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 233 DAG size of output: 62 [2020-09-04 23:02:52,501 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 199 DAG size of output: 66 [2020-09-04 23:02:53,484 WARN L193 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 51 [2020-09-04 23:02:54,694 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 235 DAG size of output: 62 [2020-09-04 23:02:56,624 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 321 DAG size of output: 48 [2020-09-04 23:02:58,666 WARN L193 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 320 DAG size of output: 54 [2020-09-04 23:02:59,446 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 44 [2020-09-04 23:03:00,250 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 37 [2020-09-04 23:03:01,027 WARN L193 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 44 [2020-09-04 23:03:03,079 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 320 DAG size of output: 54 [2020-09-04 23:03:03,899 WARN L193 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 37 [2020-09-04 23:03:05,988 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 320 DAG size of output: 54 [2020-09-04 23:03:08,032 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 320 DAG size of output: 54 [2020-09-04 23:03:09,013 WARN L193 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 61 [2020-09-04 23:03:09,873 WARN L193 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 47 [2020-09-04 23:03:10,686 WARN L193 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 51 [2020-09-04 23:03:13,389 WARN L193 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 323 DAG size of output: 59 [2020-09-04 23:03:14,578 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 210 DAG size of output: 52 [2020-09-04 23:03:15,690 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 192 DAG size of output: 60 [2020-09-04 23:03:17,034 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 201 DAG size of output: 69 [2020-09-04 23:03:18,136 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 202 DAG size of output: 61 [2020-09-04 23:03:18,947 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 47 [2020-09-04 23:03:19,889 WARN L193 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 47 [2020-09-04 23:03:22,602 WARN L193 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 323 DAG size of output: 59 [2020-09-04 23:03:23,813 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 228 DAG size of output: 57 [2020-09-04 23:03:25,006 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 221 DAG size of output: 52 [2020-09-04 23:03:26,050 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 207 DAG size of output: 62 [2020-09-04 23:03:27,268 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 235 DAG size of output: 62 [2020-09-04 23:03:28,213 WARN L193 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 46 [2020-09-04 23:03:29,031 WARN L193 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 49 [2020-09-04 23:03:31,765 WARN L193 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 323 DAG size of output: 59 [2020-09-04 23:03:34,461 WARN L193 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 323 DAG size of output: 59 [2020-09-04 23:03:37,186 WARN L193 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 323 DAG size of output: 59 [2020-09-04 23:03:39,907 WARN L193 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 323 DAG size of output: 59 [2020-09-04 23:03:40,884 WARN L193 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 50 [2020-09-04 23:03:43,603 WARN L193 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 323 DAG size of output: 59 [2020-09-04 23:03:44,418 WARN L193 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 47 [2020-09-04 23:03:45,722 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 215 DAG size of output: 53 [2020-09-04 23:03:46,927 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 217 DAG size of output: 55 [2020-09-04 23:03:49,661 WARN L193 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 323 DAG size of output: 59 [2020-09-04 23:03:50,893 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 203 DAG size of output: 64 [2020-09-04 23:03:53,629 WARN L193 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 323 DAG size of output: 59 [2020-09-04 23:03:56,372 WARN L193 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 323 DAG size of output: 59 [2020-09-04 23:03:57,271 WARN L193 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 48 [2020-09-04 23:04:00,036 WARN L193 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 323 DAG size of output: 59 [2020-09-04 23:04:00,835 WARN L193 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 45 [2020-09-04 23:04:01,935 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 202 DAG size of output: 56 [2020-09-04 23:04:02,753 WARN L193 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 51 [2020-09-04 23:04:05,516 WARN L193 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 323 DAG size of output: 59 [2020-09-04 23:04:06,754 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 221 DAG size of output: 52 [2020-09-04 23:04:07,710 WARN L193 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 46 [2020-09-04 23:04:10,467 WARN L193 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 323 DAG size of output: 59 [2020-09-04 23:04:11,707 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 228 DAG size of output: 57 [2020-09-04 23:04:12,768 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 207 DAG size of output: 62 [2020-09-04 23:04:13,681 WARN L193 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 52 [2020-09-04 23:04:14,517 WARN L193 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 49 [2020-09-04 23:04:15,531 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 200 DAG size of output: 61 [2020-09-04 23:04:16,283 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 37 [2020-09-04 23:04:17,116 WARN L193 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 37 [2020-09-04 23:04:19,226 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 320 DAG size of output: 54 [2020-09-04 23:04:21,358 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 320 DAG size of output: 54 [2020-09-04 23:04:22,188 WARN L193 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 37 [2020-09-04 23:04:23,170 WARN L193 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 48 [2020-09-04 23:04:24,808 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 206 DAG size of output: 67 [2020-09-04 23:04:25,626 WARN L193 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 37 [2020-09-04 23:04:26,596 WARN L193 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 50 [2020-09-04 23:04:27,679 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 207 DAG size of output: 62 [2020-09-04 23:04:28,923 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 204 DAG size of output: 61 [2020-09-04 23:04:29,932 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 197 DAG size of output: 60 [2020-09-04 23:04:31,938 WARN L193 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 321 DAG size of output: 48 [2020-09-04 23:04:34,081 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 320 DAG size of output: 54 [2020-09-04 23:04:34,913 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 37 [2020-09-04 23:04:35,733 WARN L193 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 37 [2020-09-04 23:04:36,538 WARN L193 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 44 [2020-09-04 23:04:38,689 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 320 DAG size of output: 54 [2020-09-04 23:04:39,517 WARN L193 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 37 [2020-09-04 23:04:40,328 WARN L193 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 44 [2020-09-04 23:04:42,479 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 320 DAG size of output: 54 [2020-09-04 23:04:43,307 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 37 [2020-09-04 23:04:45,462 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 320 DAG size of output: 54 [2020-09-04 23:04:47,618 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 320 DAG size of output: 54 [2020-09-04 23:04:48,439 WARN L193 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 37 [2020-09-04 23:04:50,592 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 320 DAG size of output: 54 [2020-09-04 23:04:51,660 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 189 DAG size of output: 59 [2020-09-04 23:04:53,839 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 320 DAG size of output: 54 [2020-09-04 23:04:56,053 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 322 DAG size of output: 55 [2020-09-04 23:04:58,098 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 321 DAG size of output: 48 [2020-09-04 23:05:00,273 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 320 DAG size of output: 54 [2020-09-04 23:05:01,107 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 37 [2020-09-04 23:05:02,066 WARN L193 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 53 [2020-09-04 23:05:03,269 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 171 DAG size of output: 50 [2020-09-04 23:05:04,096 WARN L193 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 48 [2020-09-04 23:05:05,194 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 200 DAG size of output: 61 [2020-09-04 23:05:06,548 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 225 DAG size of output: 58 [2020-09-04 23:05:07,913 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 198 DAG size of output: 51 [2020-09-04 23:05:09,488 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 202 DAG size of output: 67 [2020-09-04 23:05:10,507 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 194 DAG size of output: 54 [2020-09-04 23:05:11,725 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 194 DAG size of output: 63 [2020-09-04 23:05:12,733 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 205 DAG size of output: 46 [2020-09-04 23:05:13,800 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 198 DAG size of output: 62 [2020-09-04 23:05:14,749 WARN L193 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 46 [2020-09-04 23:05:16,149 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 200 DAG size of output: 65 [2020-09-04 23:05:17,193 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 200 DAG size of output: 61 [2020-09-04 23:05:20,060 WARN L193 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 323 DAG size of output: 59 [2020-09-04 23:05:21,297 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 217 DAG size of output: 55 [2020-09-04 23:05:24,171 WARN L193 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 323 DAG size of output: 59 [2020-09-04 23:05:25,613 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 223 DAG size of output: 50 [2020-09-04 23:05:26,938 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 225 DAG size of output: 58 [2020-09-04 23:05:28,085 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 206 DAG size of output: 56 [2020-09-04 23:05:30,967 WARN L193 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 323 DAG size of output: 59 [2020-09-04 23:05:32,093 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 202 DAG size of output: 56 [2020-09-04 23:05:34,207 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 321 DAG size of output: 48 [2020-09-04 23:05:35,042 WARN L193 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 44 [2020-09-04 23:05:37,249 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 320 DAG size of output: 54 [2020-09-04 23:05:38,083 WARN L193 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 44 [2020-09-04 23:05:39,275 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 203 DAG size of output: 61 [2020-09-04 23:05:40,719 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 203 DAG size of output: 66 [2020-09-04 23:05:41,729 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 196 DAG size of output: 50 [2020-09-04 23:05:42,559 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 48 [2020-09-04 23:05:45,470 WARN L193 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 323 DAG size of output: 59 [2020-09-04 23:05:46,887 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 233 DAG size of output: 62 [2020-09-04 23:05:47,746 WARN L193 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 47 [2020-09-04 23:05:49,070 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 225 DAG size of output: 58 [2020-09-04 23:05:50,247 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 202 DAG size of output: 61 [2020-09-04 23:05:51,532 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 209 DAG size of output: 63 [2020-09-04 23:05:52,610 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 195 DAG size of output: 51 [2020-09-04 23:05:53,463 WARN L193 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 37 [2020-09-04 23:05:55,705 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 320 DAG size of output: 54 [2020-09-04 23:05:57,920 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 320 DAG size of output: 54 [2020-09-04 23:06:00,176 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 320 DAG size of output: 54 [2020-09-04 23:06:01,026 WARN L193 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 37 [2020-09-04 23:06:01,875 WARN L193 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 37 [2020-09-04 23:06:02,718 WARN L193 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 44 [2020-09-04 23:06:04,973 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 320 DAG size of output: 54 [2020-09-04 23:06:07,212 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 320 DAG size of output: 54 [2020-09-04 23:06:09,452 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 320 DAG size of output: 54 [2020-09-04 23:06:10,707 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 209 DAG size of output: 57 [2020-09-04 23:06:12,106 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 215 DAG size of output: 53 [2020-09-04 23:06:12,990 WARN L193 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 45 [2020-09-04 23:06:15,242 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 320 DAG size of output: 54 [2020-09-04 23:06:16,305 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 201 DAG size of output: 51 [2020-09-04 23:06:17,416 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 231 DAG size of output: 53 [2020-09-04 23:06:19,649 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 320 DAG size of output: 54 [2020-09-04 23:06:21,883 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 320 DAG size of output: 54