/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_label43.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 22:53:39,733 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 22:53:39,737 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 22:53:39,783 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-09-04 22:53:39,806 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 22:53:39,810 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 22:53:39,813 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 22:53:39,815 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 22:53:39,816 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 22:53:39,819 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 22:53:39,821 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 22:53:39,827 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 22:53:39,831 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 22:53:39,832 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 22:53:39,833 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 22:53:39,833 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 22:53:39,838 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-04 22:53:39,850 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 22:53:39,851 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 22:53:39,853 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 22:53:39,854 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 22:53:39,872 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 22:53:39,872 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 22:53:39,875 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 22:53:39,875 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 22:53:39,875 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 22:53:39,875 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 22:53:39,876 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 22:53:39,876 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 22:53:39,876 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 22:53:39,876 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 22:53:39,877 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 22:53:39,878 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 22:53:39,878 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 22:53:39,878 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 22:53:39,879 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 22:53:39,879 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 22:53:39,879 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 22:53:39,879 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 22:53:39,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 22:53:39,880 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 22:53:39,880 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 22:53:39,880 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 22:53:39,880 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 22:53:40,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 22:53:40,314 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 22:53:40,318 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 22:53:40,320 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 22:53:40,321 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 22:53:40,322 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label43.c [2020-09-04 22:53:40,409 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bbd519618/079a39c5231742bea65233b43816c6dd/FLAG97883315e [2020-09-04 22:53:41,075 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 22:53:41,078 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label43.c [2020-09-04 22:53:41,097 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bbd519618/079a39c5231742bea65233b43816c6dd/FLAG97883315e [2020-09-04 22:53:41,338 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bbd519618/079a39c5231742bea65233b43816c6dd [2020-09-04 22:53:41,354 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 22:53:41,358 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 22:53:41,359 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 22:53:41,359 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 22:53:41,364 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 22:53:41,365 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 10:53:41" (1/1) ... [2020-09-04 22:53:41,370 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d198e76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:53:41, skipping insertion in model container [2020-09-04 22:53:41,371 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 10:53:41" (1/1) ... [2020-09-04 22:53:41,381 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 22:53:41,459 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 22:53:42,039 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 22:53:42,045 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 22:53:42,226 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 22:53:42,253 INFO L208 MainTranslator]: Completed translation [2020-09-04 22:53:42,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:53:42 WrapperNode [2020-09-04 22:53:42,255 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 22:53:42,256 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 22:53:42,256 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 22:53:42,256 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 22:53:42,274 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:53:42" (1/1) ... [2020-09-04 22:53:42,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:53:42" (1/1) ... [2020-09-04 22:53:42,329 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:53:42" (1/1) ... [2020-09-04 22:53:42,329 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:53:42" (1/1) ... [2020-09-04 22:53:42,408 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:53:42" (1/1) ... [2020-09-04 22:53:42,433 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:53:42" (1/1) ... [2020-09-04 22:53:42,449 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:53:42" (1/1) ... [2020-09-04 22:53:42,459 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 22:53:42,460 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 22:53:42,460 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 22:53:42,460 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 22:53:42,462 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:53:42" (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 22:53:42,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 22:53:42,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 22:53:42,567 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-04 22:53:42,568 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 22:53:42,568 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-04 22:53:42,568 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 22:53:42,569 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 22:53:42,569 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-04 22:53:42,569 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 22:53:42,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 22:53:42,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 22:53:44,153 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 22:53:44,154 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-04 22:53:44,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 10:53:44 BoogieIcfgContainer [2020-09-04 22:53:44,162 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 22:53:44,164 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 22:53:44,164 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 22:53:44,168 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 22:53:44,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 10:53:41" (1/3) ... [2020-09-04 22:53:44,169 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30579f67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 10:53:44, skipping insertion in model container [2020-09-04 22:53:44,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:53:42" (2/3) ... [2020-09-04 22:53:44,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30579f67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 10:53:44, skipping insertion in model container [2020-09-04 22:53:44,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 10:53:44" (3/3) ... [2020-09-04 22:53:44,172 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label43.c [2020-09-04 22:53:44,184 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 22:53:44,194 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 22:53:44,216 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 22:53:44,244 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 22:53:44,244 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 22:53:44,244 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-04 22:53:44,245 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 22:53:44,245 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 22:53:44,245 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 22:53:44,245 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 22:53:44,245 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 22:53:44,272 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states. [2020-09-04 22:53:44,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-09-04 22:53:44,286 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 22:53:44,287 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] [2020-09-04 22:53:44,287 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 22:53:44,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 22:53:44,293 INFO L82 PathProgramCache]: Analyzing trace with hash -495691305, now seen corresponding path program 1 times [2020-09-04 22:53:44,302 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 22:53:44,303 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1982968193] [2020-09-04 22:53:44,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 22:53:44,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:53:44,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 22:53:44,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:53:44,750 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 22:53:44,751 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1982968193] [2020-09-04 22:53:44,754 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 22:53:44,754 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-04 22:53:44,756 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423596775] [2020-09-04 22:53:44,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-04 22:53:44,763 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 22:53:44,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-04 22:53:44,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-04 22:53:44,785 INFO L87 Difference]: Start difference. First operand 456 states. Second operand 4 states. [2020-09-04 22:53:46,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 22:53:46,983 INFO L93 Difference]: Finished difference Result 1163 states and 1589 transitions. [2020-09-04 22:53:46,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-04 22:53:46,987 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2020-09-04 22:53:46,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 22:53:47,012 INFO L225 Difference]: With dead ends: 1163 [2020-09-04 22:53:47,012 INFO L226 Difference]: Without dead ends: 634 [2020-09-04 22:53:47,025 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-04 22:53:47,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2020-09-04 22:53:47,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 580. [2020-09-04 22:53:47,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 580 states. [2020-09-04 22:53:47,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 732 transitions. [2020-09-04 22:53:47,167 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 732 transitions. Word has length 54 [2020-09-04 22:53:47,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 22:53:47,168 INFO L479 AbstractCegarLoop]: Abstraction has 580 states and 732 transitions. [2020-09-04 22:53:47,168 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-04 22:53:47,168 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 732 transitions. [2020-09-04 22:53:47,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-09-04 22:53:47,182 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 22:53:47,182 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:53:47,183 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 22:53:47,183 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 22:53:47,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 22:53:47,184 INFO L82 PathProgramCache]: Analyzing trace with hash -1783140025, now seen corresponding path program 1 times [2020-09-04 22:53:47,184 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 22:53:47,184 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1073893158] [2020-09-04 22:53:47,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 22:53:47,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:53:47,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 22:53:47,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:53:47,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 22:53:47,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:53:47,499 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 37 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 22:53:47,500 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1073893158] [2020-09-04 22:53:47,500 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 22:53:47,500 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-04 22:53:47,501 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504034479] [2020-09-04 22:53:47,503 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 22:53:47,503 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 22:53:47,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 22:53:47,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 22:53:47,504 INFO L87 Difference]: Start difference. First operand 580 states and 732 transitions. Second operand 5 states. [2020-09-04 22:53:49,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 22:53:49,316 INFO L93 Difference]: Finished difference Result 1473 states and 1948 transitions. [2020-09-04 22:53:49,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-04 22:53:49,318 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 133 [2020-09-04 22:53:49,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 22:53:49,328 INFO L225 Difference]: With dead ends: 1473 [2020-09-04 22:53:49,328 INFO L226 Difference]: Without dead ends: 908 [2020-09-04 22:53:49,332 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 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 22:53:49,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 908 states. [2020-09-04 22:53:49,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 908 to 886. [2020-09-04 22:53:49,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 886 states. [2020-09-04 22:53:49,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1068 transitions. [2020-09-04 22:53:49,420 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 1068 transitions. Word has length 133 [2020-09-04 22:53:49,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 22:53:49,421 INFO L479 AbstractCegarLoop]: Abstraction has 886 states and 1068 transitions. [2020-09-04 22:53:49,421 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 22:53:49,421 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1068 transitions. [2020-09-04 22:53:49,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-09-04 22:53:49,426 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 22:53:49,426 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:53:49,426 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 22:53:49,427 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 22:53:49,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 22:53:49,427 INFO L82 PathProgramCache]: Analyzing trace with hash 1411236914, now seen corresponding path program 1 times [2020-09-04 22:53:49,427 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 22:53:49,428 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1244969964] [2020-09-04 22:53:49,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 22:53:49,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:53:49,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 22:53:49,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:53:49,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 22:53:49,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:53:49,742 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 22:53:49,743 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1244969964] [2020-09-04 22:53:49,743 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 22:53:49,743 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-04 22:53:49,744 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450191953] [2020-09-04 22:53:49,744 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-04 22:53:49,745 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 22:53:49,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-04 22:53:49,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-04 22:53:49,746 INFO L87 Difference]: Start difference. First operand 886 states and 1068 transitions. Second operand 7 states. [2020-09-04 22:53:52,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 22:53:52,083 INFO L93 Difference]: Finished difference Result 1954 states and 2409 transitions. [2020-09-04 22:53:52,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-04 22:53:52,087 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 140 [2020-09-04 22:53:52,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 22:53:52,103 INFO L225 Difference]: With dead ends: 1954 [2020-09-04 22:53:52,103 INFO L226 Difference]: Without dead ends: 1083 [2020-09-04 22:53:52,106 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 22:53:52,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1083 states. [2020-09-04 22:53:52,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1083 to 1047. [2020-09-04 22:53:52,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1047 states. [2020-09-04 22:53:52,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 1047 states and 1274 transitions. [2020-09-04 22:53:52,231 INFO L78 Accepts]: Start accepts. Automaton has 1047 states and 1274 transitions. Word has length 140 [2020-09-04 22:53:52,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 22:53:52,232 INFO L479 AbstractCegarLoop]: Abstraction has 1047 states and 1274 transitions. [2020-09-04 22:53:52,232 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-04 22:53:52,233 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1274 transitions. [2020-09-04 22:53:52,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-09-04 22:53:52,235 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 22:53:52,236 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:53:52,236 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 22:53:52,236 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 22:53:52,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 22:53:52,237 INFO L82 PathProgramCache]: Analyzing trace with hash -27995731, now seen corresponding path program 1 times [2020-09-04 22:53:52,237 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 22:53:52,237 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2038070542] [2020-09-04 22:53:52,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 22:53:52,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:53:52,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 22:53:52,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:53:52,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 22:53:52,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:53:52,544 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 22:53:52,545 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2038070542] [2020-09-04 22:53:52,545 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 22:53:52,545 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-04 22:53:52,546 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133012022] [2020-09-04 22:53:52,547 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 22:53:52,547 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 22:53:52,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 22:53:52,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-04 22:53:52,548 INFO L87 Difference]: Start difference. First operand 1047 states and 1274 transitions. Second operand 8 states. [2020-09-04 22:53:55,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 22:53:55,712 INFO L93 Difference]: Finished difference Result 2778 states and 3694 transitions. [2020-09-04 22:53:55,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-04 22:53:55,713 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 145 [2020-09-04 22:53:55,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 22:53:55,728 INFO L225 Difference]: With dead ends: 2778 [2020-09-04 22:53:55,728 INFO L226 Difference]: Without dead ends: 1746 [2020-09-04 22:53:55,734 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-09-04 22:53:55,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1746 states. [2020-09-04 22:53:55,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1746 to 1682. [2020-09-04 22:53:55,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1682 states. [2020-09-04 22:53:55,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 1682 states and 2089 transitions. [2020-09-04 22:53:55,911 INFO L78 Accepts]: Start accepts. Automaton has 1682 states and 2089 transitions. Word has length 145 [2020-09-04 22:53:55,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 22:53:55,912 INFO L479 AbstractCegarLoop]: Abstraction has 1682 states and 2089 transitions. [2020-09-04 22:53:55,912 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 22:53:55,912 INFO L276 IsEmpty]: Start isEmpty. Operand 1682 states and 2089 transitions. [2020-09-04 22:53:55,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-09-04 22:53:55,919 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 22:53:55,919 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, 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] [2020-09-04 22:53:55,920 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-04 22:53:55,920 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 22:53:55,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 22:53:55,920 INFO L82 PathProgramCache]: Analyzing trace with hash -357233039, now seen corresponding path program 1 times [2020-09-04 22:53:55,921 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 22:53:55,921 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [14851870] [2020-09-04 22:53:55,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 22:53:55,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:53:56,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 22:53:56,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:53:56,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 22:53:56,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:53:56,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-09-04 22:53:56,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:53:56,291 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 158 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-04 22:53:56,291 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [14851870] [2020-09-04 22:53:56,292 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 22:53:56,292 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-04 22:53:56,292 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651684850] [2020-09-04 22:53:56,293 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-04 22:53:56,294 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 22:53:56,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-04 22:53:56,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-04 22:53:56,295 INFO L87 Difference]: Start difference. First operand 1682 states and 2089 transitions. Second operand 7 states. [2020-09-04 22:53:58,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 22:53:58,738 INFO L93 Difference]: Finished difference Result 3259 states and 4086 transitions. [2020-09-04 22:53:58,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-04 22:53:58,740 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 235 [2020-09-04 22:53:58,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 22:53:58,755 INFO L225 Difference]: With dead ends: 3259 [2020-09-04 22:53:58,756 INFO L226 Difference]: Without dead ends: 1742 [2020-09-04 22:53:58,762 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-04 22:53:58,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1742 states. [2020-09-04 22:53:58,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1742 to 1686. [2020-09-04 22:53:58,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1686 states. [2020-09-04 22:53:58,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1686 states to 1686 states and 1984 transitions. [2020-09-04 22:53:58,939 INFO L78 Accepts]: Start accepts. Automaton has 1686 states and 1984 transitions. Word has length 235 [2020-09-04 22:53:58,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 22:53:58,939 INFO L479 AbstractCegarLoop]: Abstraction has 1686 states and 1984 transitions. [2020-09-04 22:53:58,939 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-04 22:53:58,940 INFO L276 IsEmpty]: Start isEmpty. Operand 1686 states and 1984 transitions. [2020-09-04 22:53:58,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2020-09-04 22:53:58,945 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 22:53:58,945 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, 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] [2020-09-04 22:53:58,946 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-04 22:53:58,946 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 22:53:58,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 22:53:58,946 INFO L82 PathProgramCache]: Analyzing trace with hash -931259862, now seen corresponding path program 1 times [2020-09-04 22:53:58,947 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 22:53:58,947 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1007935723] [2020-09-04 22:53:58,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 22:53:58,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:53:59,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 22:53:59,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:53:59,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 22:53:59,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:53:59,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-04 22:53:59,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:53:59,311 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 76 proven. 74 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-04 22:53:59,312 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1007935723] [2020-09-04 22:53:59,313 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 22:53:59,314 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-04 22:53:59,314 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375213205] [2020-09-04 22:53:59,315 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 22:53:59,316 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 22:53:59,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 22:53:59,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-04 22:53:59,319 INFO L87 Difference]: Start difference. First operand 1686 states and 1984 transitions. Second operand 8 states. [2020-09-04 22:54:01,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 22:54:01,645 INFO L93 Difference]: Finished difference Result 3781 states and 4639 transitions. [2020-09-04 22:54:01,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-04 22:54:01,646 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 242 [2020-09-04 22:54:01,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 22:54:01,665 INFO L225 Difference]: With dead ends: 3781 [2020-09-04 22:54:01,666 INFO L226 Difference]: Without dead ends: 2260 [2020-09-04 22:54:01,673 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 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 22:54:01,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2260 states. [2020-09-04 22:54:01,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2260 to 2160. [2020-09-04 22:54:01,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2160 states. [2020-09-04 22:54:01,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2160 states to 2160 states and 2482 transitions. [2020-09-04 22:54:01,856 INFO L78 Accepts]: Start accepts. Automaton has 2160 states and 2482 transitions. Word has length 242 [2020-09-04 22:54:01,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 22:54:01,857 INFO L479 AbstractCegarLoop]: Abstraction has 2160 states and 2482 transitions. [2020-09-04 22:54:01,857 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 22:54:01,857 INFO L276 IsEmpty]: Start isEmpty. Operand 2160 states and 2482 transitions. [2020-09-04 22:54:01,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2020-09-04 22:54:01,862 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 22:54:01,863 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, 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 22:54:01,863 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-04 22:54:01,863 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 22:54:01,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 22:54:01,863 INFO L82 PathProgramCache]: Analyzing trace with hash 208544456, now seen corresponding path program 1 times [2020-09-04 22:54:01,864 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 22:54:01,864 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2117364713] [2020-09-04 22:54:01,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 22:54:01,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:54:02,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 22:54:02,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:54:02,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 22:54:02,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:54:02,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-09-04 22:54:02,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:54:02,341 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 151 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-04 22:54:02,341 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2117364713] [2020-09-04 22:54:02,342 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 22:54:02,342 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-04 22:54:02,342 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457091797] [2020-09-04 22:54:02,343 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 22:54:02,343 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 22:54:02,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 22:54:02,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-09-04 22:54:02,345 INFO L87 Difference]: Start difference. First operand 2160 states and 2482 transitions. Second operand 11 states. [2020-09-04 22:54:06,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 22:54:06,743 INFO L93 Difference]: Finished difference Result 5982 states and 6978 transitions. [2020-09-04 22:54:06,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-04 22:54:06,745 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 254 [2020-09-04 22:54:06,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 22:54:06,767 INFO L225 Difference]: With dead ends: 5982 [2020-09-04 22:54:06,767 INFO L226 Difference]: Without dead ends: 2842 [2020-09-04 22:54:06,777 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 22:54:06,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2842 states. [2020-09-04 22:54:07,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2842 to 2382. [2020-09-04 22:54:07,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2382 states. [2020-09-04 22:54:07,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2382 states to 2382 states and 2613 transitions. [2020-09-04 22:54:07,049 INFO L78 Accepts]: Start accepts. Automaton has 2382 states and 2613 transitions. Word has length 254 [2020-09-04 22:54:07,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 22:54:07,050 INFO L479 AbstractCegarLoop]: Abstraction has 2382 states and 2613 transitions. [2020-09-04 22:54:07,050 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 22:54:07,051 INFO L276 IsEmpty]: Start isEmpty. Operand 2382 states and 2613 transitions. [2020-09-04 22:54:07,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2020-09-04 22:54:07,059 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 22:54:07,059 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, 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] [2020-09-04 22:54:07,060 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-04 22:54:07,060 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 22:54:07,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 22:54:07,061 INFO L82 PathProgramCache]: Analyzing trace with hash -638770695, now seen corresponding path program 1 times [2020-09-04 22:54:07,061 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 22:54:07,061 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1634445880] [2020-09-04 22:54:07,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 22:54:07,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:54:07,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 22:54:07,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:54:07,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 22:54:07,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:54:07,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-09-04 22:54:07,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:54:07,768 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 86 proven. 20 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-09-04 22:54:07,768 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1634445880] [2020-09-04 22:54:07,769 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 22:54:07,769 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-04 22:54:07,769 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510311327] [2020-09-04 22:54:07,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-04 22:54:07,770 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 22:54:07,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-04 22:54:07,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2020-09-04 22:54:07,771 INFO L87 Difference]: Start difference. First operand 2382 states and 2613 transitions. Second operand 14 states. [2020-09-04 22:54:08,522 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2020-09-04 22:54:11,009 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2020-09-04 22:54:14,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 22:54:14,191 INFO L93 Difference]: Finished difference Result 5915 states and 6576 transitions. [2020-09-04 22:54:14,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-09-04 22:54:14,193 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 289 [2020-09-04 22:54:14,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 22:54:14,218 INFO L225 Difference]: With dead ends: 5915 [2020-09-04 22:54:14,218 INFO L226 Difference]: Without dead ends: 3542 [2020-09-04 22:54:14,226 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 411 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=346, Invalid=1214, Unknown=0, NotChecked=0, Total=1560 [2020-09-04 22:54:14,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3542 states. [2020-09-04 22:54:14,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3542 to 3022. [2020-09-04 22:54:14,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3022 states. [2020-09-04 22:54:14,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3022 states to 3022 states and 3337 transitions. [2020-09-04 22:54:14,507 INFO L78 Accepts]: Start accepts. Automaton has 3022 states and 3337 transitions. Word has length 289 [2020-09-04 22:54:14,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 22:54:14,565 INFO L479 AbstractCegarLoop]: Abstraction has 3022 states and 3337 transitions. [2020-09-04 22:54:14,565 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-04 22:54:14,565 INFO L276 IsEmpty]: Start isEmpty. Operand 3022 states and 3337 transitions. [2020-09-04 22:54:14,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2020-09-04 22:54:14,572 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 22:54:14,572 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 22:54:14,572 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-04 22:54:14,573 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 22:54:14,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 22:54:14,573 INFO L82 PathProgramCache]: Analyzing trace with hash 918527302, now seen corresponding path program 1 times [2020-09-04 22:54:14,574 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 22:54:14,574 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [589140355] [2020-09-04 22:54:14,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 22:54:14,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:54:14,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 22:54:14,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:54:14,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 22:54:14,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:54:14,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-09-04 22:54:14,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:54:14,975 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 79 proven. 2 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2020-09-04 22:54:14,981 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [589140355] [2020-09-04 22:54:14,982 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 22:54:14,984 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-04 22:54:14,984 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424294309] [2020-09-04 22:54:14,985 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 22:54:14,986 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 22:54:14,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 22:54:14,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 22:54:14,986 INFO L87 Difference]: Start difference. First operand 3022 states and 3337 transitions. Second operand 5 states. [2020-09-04 22:54:16,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 22:54:16,494 INFO L93 Difference]: Finished difference Result 3032 states and 3348 transitions. [2020-09-04 22:54:16,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-04 22:54:16,496 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 311 [2020-09-04 22:54:16,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 22:54:16,508 INFO L225 Difference]: With dead ends: 3032 [2020-09-04 22:54:16,508 INFO L226 Difference]: Without dead ends: 3030 [2020-09-04 22:54:16,510 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 22:54:16,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3030 states. [2020-09-04 22:54:16,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3030 to 3022. [2020-09-04 22:54:16,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3022 states. [2020-09-04 22:54:16,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3022 states to 3022 states and 3336 transitions. [2020-09-04 22:54:16,945 INFO L78 Accepts]: Start accepts. Automaton has 3022 states and 3336 transitions. Word has length 311 [2020-09-04 22:54:16,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 22:54:16,946 INFO L479 AbstractCegarLoop]: Abstraction has 3022 states and 3336 transitions. [2020-09-04 22:54:16,946 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 22:54:16,946 INFO L276 IsEmpty]: Start isEmpty. Operand 3022 states and 3336 transitions. [2020-09-04 22:54:16,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2020-09-04 22:54:16,954 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 22:54:16,955 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:54:16,955 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-04 22:54:16,955 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 22:54:16,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 22:54:16,956 INFO L82 PathProgramCache]: Analyzing trace with hash 981706763, now seen corresponding path program 1 times [2020-09-04 22:54:16,956 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 22:54:16,956 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [352313450] [2020-09-04 22:54:16,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 22:54:17,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:54:17,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 22:54:17,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:54:17,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 22:54:17,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:54:17,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 22:54:17,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:54:17,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-04 22:54:17,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:54:17,648 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 134 proven. 204 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-09-04 22:54:17,648 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [352313450] [2020-09-04 22:54:17,649 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 22:54:17,649 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-04 22:54:17,649 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129392667] [2020-09-04 22:54:17,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 22:54:17,650 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 22:54:17,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 22:54:17,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-09-04 22:54:17,650 INFO L87 Difference]: Start difference. First operand 3022 states and 3336 transitions. Second operand 11 states. [2020-09-04 22:54:21,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 22:54:21,844 INFO L93 Difference]: Finished difference Result 6914 states and 7705 transitions. [2020-09-04 22:54:21,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-04 22:54:21,845 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 317 [2020-09-04 22:54:21,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 22:54:21,869 INFO L225 Difference]: With dead ends: 6914 [2020-09-04 22:54:21,873 INFO L226 Difference]: Without dead ends: 4057 [2020-09-04 22:54:21,883 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=164, Invalid=648, Unknown=0, NotChecked=0, Total=812 [2020-09-04 22:54:21,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4057 states. [2020-09-04 22:54:22,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4057 to 3673. [2020-09-04 22:54:22,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3673 states. [2020-09-04 22:54:22,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3673 states to 3673 states and 4081 transitions. [2020-09-04 22:54:22,279 INFO L78 Accepts]: Start accepts. Automaton has 3673 states and 4081 transitions. Word has length 317 [2020-09-04 22:54:22,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 22:54:22,279 INFO L479 AbstractCegarLoop]: Abstraction has 3673 states and 4081 transitions. [2020-09-04 22:54:22,279 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 22:54:22,280 INFO L276 IsEmpty]: Start isEmpty. Operand 3673 states and 4081 transitions. [2020-09-04 22:54:22,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2020-09-04 22:54:22,287 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 22:54:22,287 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:54:22,287 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-04 22:54:22,288 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 22:54:22,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 22:54:22,288 INFO L82 PathProgramCache]: Analyzing trace with hash -20902202, now seen corresponding path program 1 times [2020-09-04 22:54:22,288 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 22:54:22,289 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1173033110] [2020-09-04 22:54:22,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 22:54:22,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:54:22,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 22:54:22,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:54:22,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 22:54:22,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:54:22,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-09-04 22:54:22,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:54:22,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-09-04 22:54:22,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:54:22,767 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 276 proven. 16 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-09-04 22:54:22,768 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1173033110] [2020-09-04 22:54:22,768 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 22:54:22,768 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-04 22:54:22,768 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424946839] [2020-09-04 22:54:22,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 22:54:22,770 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 22:54:22,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 22:54:22,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-09-04 22:54:22,771 INFO L87 Difference]: Start difference. First operand 3673 states and 4081 transitions. Second operand 11 states. [2020-09-04 22:54:28,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 22:54:28,435 INFO L93 Difference]: Finished difference Result 7862 states and 8727 transitions. [2020-09-04 22:54:28,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-04 22:54:28,436 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 371 [2020-09-04 22:54:28,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 22:54:28,454 INFO L225 Difference]: With dead ends: 7862 [2020-09-04 22:54:28,454 INFO L226 Difference]: Without dead ends: 4354 [2020-09-04 22:54:28,463 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=100, Invalid=362, Unknown=0, NotChecked=0, Total=462 [2020-09-04 22:54:28,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4354 states. [2020-09-04 22:54:29,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4354 to 4309. [2020-09-04 22:54:29,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4309 states. [2020-09-04 22:54:29,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4309 states to 4309 states and 4684 transitions. [2020-09-04 22:54:29,125 INFO L78 Accepts]: Start accepts. Automaton has 4309 states and 4684 transitions. Word has length 371 [2020-09-04 22:54:29,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 22:54:29,126 INFO L479 AbstractCegarLoop]: Abstraction has 4309 states and 4684 transitions. [2020-09-04 22:54:29,126 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 22:54:29,126 INFO L276 IsEmpty]: Start isEmpty. Operand 4309 states and 4684 transitions. [2020-09-04 22:54:29,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2020-09-04 22:54:29,135 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 22:54:29,135 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:54:29,135 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-04 22:54:29,136 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 22:54:29,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 22:54:29,137 INFO L82 PathProgramCache]: Analyzing trace with hash 566672652, now seen corresponding path program 1 times [2020-09-04 22:54:29,137 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 22:54:29,137 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [809774850] [2020-09-04 22:54:29,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 22:54:29,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:54:29,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 22:54:29,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:54:29,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 22:54:29,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:54:29,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-09-04 22:54:29,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:54:29,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2020-09-04 22:54:29,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:54:29,549 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 121 proven. 3 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2020-09-04 22:54:29,549 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [809774850] [2020-09-04 22:54:29,550 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 22:54:29,550 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-04 22:54:29,550 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499474077] [2020-09-04 22:54:29,551 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 22:54:29,551 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 22:54:29,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 22:54:29,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 22:54:29,552 INFO L87 Difference]: Start difference. First operand 4309 states and 4684 transitions. Second operand 5 states. [2020-09-04 22:54:31,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 22:54:31,531 INFO L93 Difference]: Finished difference Result 4467 states and 4842 transitions. [2020-09-04 22:54:31,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-04 22:54:31,532 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 393 [2020-09-04 22:54:31,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 22:54:31,547 INFO L225 Difference]: With dead ends: 4467 [2020-09-04 22:54:31,547 INFO L226 Difference]: Without dead ends: 4309 [2020-09-04 22:54:31,550 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 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 22:54:31,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4309 states. [2020-09-04 22:54:31,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4309 to 4303. [2020-09-04 22:54:31,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4303 states. [2020-09-04 22:54:31,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4303 states to 4303 states and 4673 transitions. [2020-09-04 22:54:31,882 INFO L78 Accepts]: Start accepts. Automaton has 4303 states and 4673 transitions. Word has length 393 [2020-09-04 22:54:31,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 22:54:31,882 INFO L479 AbstractCegarLoop]: Abstraction has 4303 states and 4673 transitions. [2020-09-04 22:54:31,883 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 22:54:31,883 INFO L276 IsEmpty]: Start isEmpty. Operand 4303 states and 4673 transitions. [2020-09-04 22:54:31,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2020-09-04 22:54:31,890 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 22:54:31,891 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:54:31,891 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-04 22:54:31,891 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 22:54:31,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 22:54:31,892 INFO L82 PathProgramCache]: Analyzing trace with hash -1816587316, now seen corresponding path program 1 times [2020-09-04 22:54:31,892 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 22:54:31,892 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1271262491] [2020-09-04 22:54:31,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 22:54:31,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:54:32,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 22:54:32,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:54:32,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 22:54:32,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:54:32,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-09-04 22:54:32,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:54:32,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2020-09-04 22:54:32,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:54:32,444 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 114 proven. 24 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2020-09-04 22:54:32,444 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1271262491] [2020-09-04 22:54:32,444 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 22:54:32,445 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-04 22:54:32,445 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500765396] [2020-09-04 22:54:32,445 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-04 22:54:32,446 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 22:54:32,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-04 22:54:32,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-09-04 22:54:32,447 INFO L87 Difference]: Start difference. First operand 4303 states and 4673 transitions. Second operand 9 states. [2020-09-04 22:54:34,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 22:54:34,901 INFO L93 Difference]: Finished difference Result 4314 states and 4683 transitions. [2020-09-04 22:54:34,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-04 22:54:34,901 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 396 [2020-09-04 22:54:34,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 22:54:34,915 INFO L225 Difference]: With dead ends: 4314 [2020-09-04 22:54:34,915 INFO L226 Difference]: Without dead ends: 4312 [2020-09-04 22:54:34,917 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-09-04 22:54:34,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4312 states. [2020-09-04 22:54:35,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4312 to 4153. [2020-09-04 22:54:35,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4153 states. [2020-09-04 22:54:35,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4153 states to 4153 states and 4502 transitions. [2020-09-04 22:54:35,610 INFO L78 Accepts]: Start accepts. Automaton has 4153 states and 4502 transitions. Word has length 396 [2020-09-04 22:54:35,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 22:54:35,611 INFO L479 AbstractCegarLoop]: Abstraction has 4153 states and 4502 transitions. [2020-09-04 22:54:35,611 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-04 22:54:35,611 INFO L276 IsEmpty]: Start isEmpty. Operand 4153 states and 4502 transitions. [2020-09-04 22:54:35,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 455 [2020-09-04 22:54:35,620 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 22:54:35,620 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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 22:54:35,621 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-04 22:54:35,621 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 22:54:35,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 22:54:35,621 INFO L82 PathProgramCache]: Analyzing trace with hash -840406106, now seen corresponding path program 1 times [2020-09-04 22:54:35,621 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 22:54:35,622 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [195421848] [2020-09-04 22:54:35,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 22:54:35,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:54:35,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 22:54:35,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:54:35,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 22:54:35,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:54:35,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-09-04 22:54:35,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:54:36,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-09-04 22:54:36,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:54:36,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2020-09-04 22:54:36,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:54:36,444 INFO L134 CoverageAnalysis]: Checked inductivity of 643 backedges. 266 proven. 304 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-09-04 22:54:36,445 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [195421848] [2020-09-04 22:54:36,445 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 22:54:36,445 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-09-04 22:54:36,445 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78137897] [2020-09-04 22:54:36,446 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-04 22:54:36,446 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 22:54:36,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-04 22:54:36,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2020-09-04 22:54:36,447 INFO L87 Difference]: Start difference. First operand 4153 states and 4502 transitions. Second operand 17 states. [2020-09-04 22:54:39,947 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2020-09-04 22:54:44,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 22:54:44,216 INFO L93 Difference]: Finished difference Result 11705 states and 12881 transitions. [2020-09-04 22:54:44,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2020-09-04 22:54:44,217 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 454 [2020-09-04 22:54:44,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 22:54:44,230 INFO L225 Difference]: With dead ends: 11705 [2020-09-04 22:54:44,230 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 22:54:44,257 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1086 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=979, Invalid=2803, Unknown=0, NotChecked=0, Total=3782 [2020-09-04 22:54:44,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 22:54:44,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 22:54:44,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 22:54:44,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 22:54:44,258 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 454 [2020-09-04 22:54:44,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 22:54:44,259 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 22:54:44,259 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-04 22:54:44,259 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 22:54:44,259 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 22:54:44,260 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-04 22:54:44,262 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 22:54:52,807 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 67 [2020-09-04 22:54:52,914 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 67 [2020-09-04 22:54:53,137 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-09-04 22:54:53,264 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-09-04 22:54:53,389 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 67 [2020-09-04 22:54:53,509 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 67 [2020-09-04 22:54:53,629 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-09-04 22:54:53,741 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-09-04 22:54:53,947 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 67 [2020-09-04 22:54:54,141 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-09-04 22:54:54,355 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 67 [2020-09-04 22:54:54,461 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 67 [2020-09-04 22:54:54,563 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 67 [2020-09-04 22:54:54,771 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-09-04 22:54:54,879 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 67 [2020-09-04 22:54:54,986 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 67 [2020-09-04 22:54:55,090 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 67 [2020-09-04 22:54:55,199 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 67 [2020-09-04 22:54:55,302 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 67 [2020-09-04 22:54:56,961 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 135 [2020-09-04 22:54:57,468 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 135 [2020-09-04 22:54:57,897 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 135 [2020-09-04 22:55:23,108 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 135 [2020-09-04 22:55:44,669 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 65 [2020-09-04 22:55:44,802 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 66 [2020-09-04 22:55:45,040 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 65 [2020-09-04 22:56:02,428 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-09-04 22:56:02,532 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-09-04 22:56:02,639 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 67 [2020-09-04 22:56:02,743 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 67 [2020-09-04 22:56:02,848 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-09-04 22:56:02,953 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-09-04 22:56:03,148 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 67 [2020-09-04 22:56:03,341 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-09-04 22:56:03,449 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 67 [2020-09-04 22:56:03,555 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 67 [2020-09-04 22:56:03,763 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 67 [2020-09-04 22:56:03,971 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-09-04 22:56:04,078 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 67 [2020-09-04 22:56:04,287 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 67 [2020-09-04 22:56:04,397 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 67 [2020-09-04 22:56:04,501 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 67 [2020-09-04 22:56:29,120 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 50 [2020-09-04 22:57:09,756 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 135 [2020-09-04 22:57:24,828 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-09-04 22:57:24,933 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-09-04 22:57:25,040 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 67 [2020-09-04 22:57:25,144 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 67 [2020-09-04 22:57:25,249 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-09-04 22:57:25,354 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-09-04 22:57:25,554 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 67 [2020-09-04 22:57:25,749 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-09-04 22:57:25,962 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 67 [2020-09-04 22:57:26,170 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 67 [2020-09-04 22:57:26,377 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-09-04 22:57:26,484 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 67 [2020-09-04 22:57:26,693 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 67 [2020-09-04 22:57:26,804 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 67 [2020-09-04 22:57:26,908 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 67 [2020-09-04 22:58:09,639 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 65 [2020-09-04 22:58:09,772 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 66 [2020-09-04 22:58:10,009 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 65 [2020-09-04 22:58:20,225 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 135 [2020-09-04 22:58:20,647 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 135 [2020-09-04 22:58:21,073 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 135 [2020-09-04 22:58:21,499 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 135 [2020-09-04 22:58:22,118 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 179 [2020-09-04 22:58:22,343 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 103 [2020-09-04 22:58:22,691 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 125 [2020-09-04 22:58:23,268 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 126 [2020-09-04 22:58:23,821 WARN L193 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 191 [2020-09-04 22:58:23,925 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 102 [2020-09-04 22:58:24,114 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 106 [2020-09-04 22:58:24,344 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 116 [2020-09-04 22:58:24,753 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 123 [2020-09-04 22:58:25,036 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 115 [2020-09-04 22:58:25,208 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 107 [2020-09-04 22:58:25,577 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 88 [2020-09-04 22:58:25,889 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 106 [2020-09-04 22:58:26,054 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 87 [2020-09-04 22:58:26,488 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 170 [2020-09-04 22:58:26,688 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 102 [2020-09-04 22:58:27,403 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 105 [2020-09-04 22:58:27,939 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 176 [2020-09-04 22:58:28,583 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 191 [2020-09-04 22:58:28,800 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 118 [2020-09-04 22:58:28,992 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 102 [2020-09-04 22:58:29,442 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 176 [2020-09-04 22:58:29,562 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 90 [2020-09-04 22:58:29,802 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 103 [2020-09-04 22:58:30,357 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 169 [2020-09-04 22:58:30,468 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 101 [2020-09-04 22:58:30,744 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 95 [2020-09-04 22:58:30,959 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 90 [2020-09-04 22:58:31,489 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 178 [2020-09-04 22:58:31,775 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 118 [2020-09-04 22:58:33,859 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 179 [2020-09-04 22:58:34,038 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 103 [2020-09-04 22:58:34,386 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 125 [2020-09-04 22:58:34,958 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 126 [2020-09-04 22:58:35,504 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 191 [2020-09-04 22:58:35,608 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 102 [2020-09-04 22:58:35,795 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 106 [2020-09-04 22:58:36,024 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 116 [2020-09-04 22:58:36,432 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 123 [2020-09-04 22:58:36,714 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 115 [2020-09-04 22:58:36,886 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 107 [2020-09-04 22:58:37,257 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 88 [2020-09-04 22:58:37,571 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 106 [2020-09-04 22:58:37,736 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 87 [2020-09-04 22:58:38,169 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 170 [2020-09-04 22:58:38,368 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 102 [2020-09-04 22:58:39,085 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 105 [2020-09-04 22:58:39,621 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 176 [2020-09-04 22:58:40,262 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 191 [2020-09-04 22:58:40,477 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 118 [2020-09-04 22:58:40,670 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 102 [2020-09-04 22:58:41,118 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 176 [2020-09-04 22:58:41,237 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 90 [2020-09-04 22:58:41,476 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 103 [2020-09-04 22:58:42,032 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 169 [2020-09-04 22:58:42,181 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 101 [2020-09-04 22:58:42,458 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 95 [2020-09-04 22:58:42,674 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 90 [2020-09-04 22:58:43,208 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 178 [2020-09-04 22:58:43,494 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 118 [2020-09-04 22:58:57,232 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2020-09-04 22:59:29,561 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 67 [2020-09-04 22:59:29,666 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 67 [2020-09-04 22:59:29,861 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-09-04 22:59:29,966 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-09-04 22:59:30,073 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 67 [2020-09-04 22:59:30,178 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 67 [2020-09-04 22:59:30,283 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-09-04 22:59:30,389 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-09-04 22:59:30,585 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 67 [2020-09-04 22:59:30,780 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-09-04 22:59:30,993 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 67 [2020-09-04 22:59:31,201 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 67 [2020-09-04 22:59:31,306 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 67 [2020-09-04 22:59:31,411 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-09-04 22:59:31,519 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 67 [2020-09-04 22:59:31,631 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 67 [2020-09-04 22:59:31,735 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 67 [2020-09-04 22:59:31,843 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 67 [2020-09-04 22:59:31,947 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 67 [2020-09-04 22:59:54,506 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 135 [2020-09-04 22:59:55,368 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 65 [2020-09-04 22:59:55,502 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 66 [2020-09-04 22:59:55,740 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 65 [2020-09-04 23:00:09,630 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 53 [2020-09-04 23:00:10,448 WARN L193 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 59 [2020-09-04 23:00:11,303 WARN L193 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 67 [2020-09-04 23:00:11,935 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 63 [2020-09-04 23:00:12,608 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 52 [2020-09-04 23:00:13,294 WARN L193 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 56 [2020-09-04 23:00:14,880 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 267 DAG size of output: 76 [2020-09-04 23:00:15,545 WARN L193 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 50 [2020-09-04 23:00:16,369 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 69 [2020-09-04 23:00:17,350 WARN L193 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 77 [2020-09-04 23:00:18,888 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 267 DAG size of output: 76 [2020-09-04 23:00:20,438 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 267 DAG size of output: 76 [2020-09-04 23:00:21,492 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 159 DAG size of output: 77 [2020-09-04 23:00:22,306 WARN L193 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 62 [2020-09-04 23:00:23,048 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 58 [2020-09-04 23:00:23,905 WARN L193 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 65 [2020-09-04 23:00:25,015 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 196 DAG size of output: 78 [2020-09-04 23:00:25,882 WARN L193 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 72 [2020-09-04 23:00:26,990 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 160 DAG size of output: 71 [2020-09-04 23:00:28,138 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 204 DAG size of output: 71 [2020-09-04 23:00:29,071 WARN L193 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 62 [2020-09-04 23:00:29,908 WARN L193 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 66 [2020-09-04 23:00:31,085 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 165 DAG size of output: 78 [2020-09-04 23:00:31,975 WARN L193 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 68 [2020-09-04 23:00:33,064 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 183 DAG size of output: 71 [2020-09-04 23:00:33,807 WARN L193 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 75 [2020-09-04 23:00:34,347 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 54 [2020-09-04 23:00:34,891 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 54 [2020-09-04 23:00:35,435 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 54 [2020-09-04 23:00:36,359 WARN L193 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 66 [2020-09-04 23:00:37,428 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 177 DAG size of output: 69 [2020-09-04 23:00:39,081 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 267 DAG size of output: 76 [2020-09-04 23:00:40,318 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 246 DAG size of output: 56 [2020-09-04 23:00:41,195 WARN L193 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 56 [2020-09-04 23:00:42,036 WARN L193 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 53 [2020-09-04 23:00:42,846 WARN L193 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 54 [2020-09-04 23:00:44,071 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 246 DAG size of output: 56 [2020-09-04 23:00:44,892 WARN L193 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 54 [2020-09-04 23:00:46,105 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 246 DAG size of output: 56 [2020-09-04 23:00:47,496 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 250 DAG size of output: 63 [2020-09-04 23:00:48,322 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 54 [2020-09-04 23:00:49,173 WARN L193 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 56 [2020-09-04 23:00:50,353 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 246 DAG size of output: 56 [2020-09-04 23:00:51,544 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 246 DAG size of output: 56 [2020-09-04 23:00:52,386 WARN L193 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 53 [2020-09-04 23:00:53,579 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 246 DAG size of output: 56 [2020-09-04 23:00:54,747 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 246 DAG size of output: 56 [2020-09-04 23:00:55,921 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 246 DAG size of output: 56 [2020-09-04 23:00:56,801 WARN L193 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 53 [2020-09-04 23:00:57,698 WARN L193 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 56 [2020-09-04 23:00:58,485 WARN L193 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 54 [2020-09-04 23:00:59,644 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 246 DAG size of output: 56 [2020-09-04 23:01:00,428 WARN L193 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 54 [2020-09-04 23:01:01,612 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 246 DAG size of output: 56 [2020-09-04 23:01:02,169 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 54 [2020-09-04 23:01:03,064 WARN L193 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 74 [2020-09-04 23:01:04,707 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 267 DAG size of output: 76 [2020-09-04 23:01:06,313 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 267 DAG size of output: 76 [2020-09-04 23:01:07,885 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 267 DAG size of output: 76 [2020-09-04 23:01:08,694 WARN L193 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 59 [2020-09-04 23:01:10,321 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 267 DAG size of output: 76 [2020-09-04 23:01:11,884 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 267 DAG size of output: 76 [2020-09-04 23:01:12,943 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 162 DAG size of output: 76 [2020-09-04 23:01:13,952 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 172 DAG size of output: 65 [2020-09-04 23:01:14,734 WARN L193 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 62 [2020-09-04 23:01:15,865 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 162 DAG size of output: 78 [2020-09-04 23:01:16,604 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 56 [2020-09-04 23:01:17,935 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 250 DAG size of output: 63 [2020-09-04 23:01:19,260 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 250 DAG size of output: 63 [2020-09-04 23:01:20,214 WARN L193 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 77 [2020-09-04 23:01:21,600 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 250 DAG size of output: 63 [2020-09-04 23:01:22,450 WARN L193 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 59 [2020-09-04 23:01:23,564 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 182 DAG size of output: 84 [2020-09-04 23:01:24,367 WARN L193 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 62 [2020-09-04 23:01:25,701 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 165 DAG size of output: 74 [2020-09-04 23:01:27,362 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 267 DAG size of output: 76 [2020-09-04 23:01:28,246 WARN L193 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 71 [2020-09-04 23:01:29,804 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 267 DAG size of output: 76 [2020-09-04 23:01:30,555 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 56 [2020-09-04 23:01:31,617 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 188 DAG size of output: 81 [2020-09-04 23:01:32,493 WARN L193 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 57 [2020-09-04 23:01:33,331 WARN L193 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 68 [2020-09-04 23:01:34,920 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 267 DAG size of output: 76 [2020-09-04 23:01:36,567 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 267 DAG size of output: 76 [2020-09-04 23:01:37,281 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 56 [2020-09-04 23:01:38,326 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 189 DAG size of output: 61 [2020-09-04 23:01:39,066 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 62 [2020-09-04 23:01:39,761 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 50 [2020-09-04 23:01:40,619 WARN L193 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 68 [2020-09-04 23:01:41,313 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 52 [2020-09-04 23:01:42,898 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 267 DAG size of output: 76 [2020-09-04 23:01:43,790 WARN L193 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 56 [2020-09-04 23:01:45,046 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 246 DAG size of output: 56 [2020-09-04 23:01:45,835 WARN L193 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 56 [2020-09-04 23:01:47,254 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 250 DAG size of output: 63 [2020-09-04 23:01:48,144 WARN L193 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 54 [2020-09-04 23:01:49,017 WARN L193 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 66 [2020-09-04 23:01:50,367 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 250 DAG size of output: 63 [2020-09-04 23:01:51,129 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 56 [2020-09-04 23:01:52,182 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 188 DAG size of output: 81 [2020-09-04 23:01:53,016 WARN L193 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 66 [2020-09-04 23:01:53,895 WARN L193 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 54 [2020-09-04 23:01:54,834 WARN L193 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 72 [2020-09-04 23:01:55,622 WARN L193 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 60 [2020-09-04 23:01:56,505 WARN L193 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 70 [2020-09-04 23:01:58,165 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 267 DAG size of output: 76 [2020-09-04 23:01:59,065 WARN L193 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 67 [2020-09-04 23:01:59,898 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 64 [2020-09-04 23:02:01,512 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 267 DAG size of output: 76 [2020-09-04 23:02:02,908 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 250 DAG size of output: 63 [2020-09-04 23:02:03,847 WARN L193 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 56 [2020-09-04 23:02:04,684 WARN L193 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 64 [2020-09-04 23:02:05,554 WARN L193 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 54 [2020-09-04 23:02:06,413 WARN L193 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 64 [2020-09-04 23:02:07,607 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 165 DAG size of output: 72 [2020-09-04 23:02:08,794 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 204 DAG size of output: 71 [2020-09-04 23:02:09,720 WARN L193 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 71 [2020-09-04 23:02:10,583 WARN L193 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 62 [2020-09-04 23:02:11,538 WARN L193 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 64 [2020-09-04 23:02:12,784 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 246 DAG size of output: 56 [2020-09-04 23:02:14,029 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 246 DAG size of output: 56 [2020-09-04 23:02:14,900 WARN L193 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 53 [2020-09-04 23:02:15,822 WARN L193 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 56 [2020-09-04 23:02:16,754 WARN L193 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 56 [2020-09-04 23:02:18,006 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 246 DAG size of output: 56 [2020-09-04 23:02:18,837 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 53 [2020-09-04 23:02:20,074 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 246 DAG size of output: 56 [2020-09-04 23:02:21,302 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 246 DAG size of output: 56 [2020-09-04 23:02:22,182 WARN L193 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 62 [2020-09-04 23:02:23,056 WARN L193 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 70 [2020-09-04 23:02:23,799 WARN L193 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 59 [2020-09-04 23:02:25,485 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 267 DAG size of output: 76 [2020-09-04 23:02:26,294 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 64 [2020-09-04 23:02:27,240 WARN L193 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 63 [2020-09-04 23:02:28,020 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 58 [2020-09-04 23:02:28,939 WARN L193 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 68 [2020-09-04 23:02:29,856 WARN L193 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 55 [2020-09-04 23:02:30,865 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 162 DAG size of output: 77 [2020-09-04 23:02:32,507 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 267 DAG size of output: 76 [2020-09-04 23:02:33,618 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 188 DAG size of output: 81 [2020-09-04 23:02:34,529 WARN L193 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 66 [2020-09-04 23:02:35,430 WARN L193 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 61 [2020-09-04 23:02:36,415 WARN L193 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 64 [2020-09-04 23:02:37,230 WARN L193 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 62 [2020-09-04 23:02:37,974 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 52 [2020-09-04 23:02:39,649 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 267 DAG size of output: 76 [2020-09-04 23:02:41,302 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 267 DAG size of output: 76 [2020-09-04 23:02:42,944 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 267 DAG size of output: 76 [2020-09-04 23:02:44,610 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 267 DAG size of output: 76 [2020-09-04 23:02:45,351 WARN L193 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 52 [2020-09-04 23:02:47,014 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 267 DAG size of output: 76 [2020-09-04 23:02:47,758 WARN L193 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 52 [2020-09-04 23:02:48,978 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 181 DAG size of output: 71 [2020-09-04 23:02:50,130 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 178 DAG size of output: 69 [2020-09-04 23:02:51,799 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 267 DAG size of output: 76 [2020-09-04 23:02:52,758 WARN L193 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 66 [2020-09-04 23:02:54,443 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 267 DAG size of output: 76 [2020-09-04 23:02:56,115 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 267 DAG size of output: 76 [2020-09-04 23:02:56,998 WARN L193 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 64 [2020-09-04 23:02:58,672 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 267 DAG size of output: 76 [2020-09-04 23:02:59,574 WARN L193 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 58 [2020-09-04 23:03:00,614 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 170 DAG size of output: 76 [2020-09-04 23:03:01,405 WARN L193 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 58 [2020-09-04 23:03:03,086 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 267 DAG size of output: 76 [2020-09-04 23:03:04,019 WARN L193 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 66 [2020-09-04 23:03:04,745 WARN L193 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 63 [2020-09-04 23:03:06,483 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 267 DAG size of output: 76 [2020-09-04 23:03:07,606 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 188 DAG size of output: 81 [2020-09-04 23:03:08,510 WARN L193 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 61 [2020-09-04 23:03:09,284 WARN L193 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 54 [2020-09-04 23:03:10,037 WARN L193 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 52 [2020-09-04 23:03:10,922 WARN L193 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 59 [2020-09-04 23:03:11,638 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 45 [2020-09-04 23:03:12,496 WARN L193 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 54 [2020-09-04 23:03:13,771 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 246 DAG size of output: 56 [2020-09-04 23:03:15,065 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 246 DAG size of output: 56 [2020-09-04 23:03:15,947 WARN L193 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 54 [2020-09-04 23:03:16,895 WARN L193 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 64 [2020-09-04 23:03:18,017 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 166 DAG size of output: 74 [2020-09-04 23:03:18,893 WARN L193 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 53 [2020-09-04 23:03:19,800 WARN L193 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 71 [2020-09-04 23:03:20,709 WARN L193 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 61 [2020-09-04 23:03:21,732 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 175 DAG size of output: 72 [2020-09-04 23:03:22,640 WARN L193 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 64 [2020-09-04 23:03:23,918 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 246 DAG size of output: 56 [2020-09-04 23:03:25,198 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 246 DAG size of output: 56 [2020-09-04 23:03:26,074 WARN L193 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 53 [2020-09-04 23:03:26,957 WARN L193 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 53 [2020-09-04 23:03:27,831 WARN L193 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 54 [2020-09-04 23:03:29,120 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 246 DAG size of output: 56 [2020-09-04 23:03:29,989 WARN L193 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 54 [2020-09-04 23:03:30,940 WARN L193 SmtUtils]: Spent 944.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 56 [2020-09-04 23:03:32,227 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 246 DAG size of output: 56 [2020-09-04 23:03:33,091 WARN L193 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 54 [2020-09-04 23:03:34,383 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 246 DAG size of output: 56 [2020-09-04 23:03:35,673 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 246 DAG size of output: 56 [2020-09-04 23:03:36,561 WARN L193 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 54 [2020-09-04 23:03:38,009 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 250 DAG size of output: 63 [2020-09-04 23:03:38,835 WARN L193 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 63 [2020-09-04 23:03:40,285 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 250 DAG size of output: 63 [2020-09-04 23:03:41,575 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 246 DAG size of output: 56 [2020-09-04 23:03:42,872 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 246 DAG size of output: 56 [2020-09-04 23:03:44,168 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 246 DAG size of output: 56 [2020-09-04 23:03:45,052 WARN L193 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 54 [2020-09-04 23:03:45,831 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 56 [2020-09-04 23:03:46,416 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 54 [2020-09-04 23:03:47,169 WARN L193 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 52 [2020-09-04 23:03:48,053 WARN L193 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 59 [2020-09-04 23:03:49,129 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 174 DAG size of output: 68 [2020-09-04 23:03:50,384 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 165 DAG size of output: 78 [2020-09-04 23:03:51,607 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 165 DAG size of output: 74 [2020-09-04 23:03:52,350 WARN L193 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 50 [2020-09-04 23:03:53,424 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 159 DAG size of output: 62 [2020-09-04 23:03:54,369 WARN L193 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 65 [2020-09-04 23:03:55,229 WARN L193 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 61 [2020-09-04 23:03:56,130 WARN L193 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 69 [2020-09-04 23:03:57,116 WARN L193 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 66 [2020-09-04 23:03:58,004 WARN L193 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 59 [2020-09-04 23:03:59,710 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 267 DAG size of output: 76 [2020-09-04 23:04:00,870 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 178 DAG size of output: 69 [2020-09-04 23:04:02,585 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 267 DAG size of output: 76 [2020-09-04 23:04:03,742 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 177 DAG size of output: 66 [2020-09-04 23:04:04,814 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 174 DAG size of output: 68 [2020-09-04 23:04:05,680 WARN L193 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 62 [2020-09-04 23:04:07,404 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 267 DAG size of output: 76 [2020-09-04 23:04:08,479 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 170 DAG size of output: 76 [2020-09-04 23:04:09,782 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 246 DAG size of output: 56 [2020-09-04 23:04:10,666 WARN L193 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 54 [2020-09-04 23:04:11,550 WARN L193 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 54 [2020-09-04 23:04:12,860 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 246 DAG size of output: 56 [2020-09-04 23:04:13,705 WARN L193 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 75 [2020-09-04 23:04:14,547 WARN L193 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 57 [2020-09-04 23:04:15,437 WARN L193 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 61 [2020-09-04 23:04:16,228 WARN L193 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 57 [2020-09-04 23:04:17,962 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 267 DAG size of output: 76 [2020-09-04 23:04:19,249 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 204 DAG size of output: 71 [2020-09-04 23:04:20,210 WARN L193 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 55 [2020-09-04 23:04:21,295 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 174 DAG size of output: 68 [2020-09-04 23:04:22,279 WARN L193 SmtUtils]: Spent 977.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 74 [2020-09-04 23:04:23,110 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 61 [2020-09-04 23:04:24,060 WARN L193 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 73 [2020-09-04 23:04:24,960 WARN L193 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 53 [2020-09-04 23:04:26,261 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 246 DAG size of output: 56 [2020-09-04 23:04:27,605 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 246 DAG size of output: 56 [2020-09-04 23:04:28,917 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 246 DAG size of output: 56 [2020-09-04 23:04:29,813 WARN L193 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 53 [2020-09-04 23:04:30,786 WARN L193 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 56 [2020-09-04 23:04:31,749 WARN L193 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 56 [2020-09-04 23:04:33,232 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 250 DAG size of output: 63 [2020-09-04 23:04:34,699 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 250 DAG size of output: 63 [2020-09-04 23:04:36,179 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 250 DAG size of output: 63 [2020-09-04 23:04:37,136 WARN L193 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 67 [2020-09-04 23:04:38,399 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 181 DAG size of output: 71 [2020-09-04 23:04:39,452 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 163 DAG size of output: 62 [2020-09-04 23:04:40,928 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 250 DAG size of output: 63 [2020-09-04 23:04:41,849 WARN L193 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-09-04 23:04:43,080 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 188 DAG size of output: 75 [2020-09-04 23:04:44,569 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 250 DAG size of output: 63 [2020-09-04 23:04:46,049 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 250 DAG size of output: 63 [2020-09-04 23:04:47,799 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 267 DAG size of output: 76 [2020-09-04 23:04:48,598 WARN L193 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 56 [2020-09-04 23:04:49,668 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 175 DAG size of output: 69 [2020-09-04 23:04:50,563 WARN L193 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 61 [2020-09-04 23:04:51,603 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 165 DAG size of output: 76 [2020-09-04 23:04:53,350 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 267 DAG size of output: 76 [2020-09-04 23:04:54,327 WARN L193 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 69 [2020-09-04 23:04:55,562 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-09-04 23:04:56,564 WARN L193 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 54 [2020-09-04 23:04:57,543 WARN L193 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 56 [2020-09-04 23:04:58,873 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 246 DAG size of output: 56 [2020-09-04 23:04:59,770 WARN L193 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 54 [2020-09-04 23:05:01,101 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 246 DAG size of output: 56 [2020-09-04 23:05:02,467 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 246 DAG size of output: 56 [2020-09-04 23:05:03,830 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 246 DAG size of output: 56 [2020-09-04 23:05:04,825 WARN L193 SmtUtils]: Spent 988.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 56 [2020-09-04 23:05:05,825 WARN L193 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 56 [2020-09-04 23:05:06,729 WARN L193 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 54 [2020-09-04 23:05:07,496 WARN L193 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 55 [2020-09-04 23:05:09,261 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 267 DAG size of output: 76 [2020-09-04 23:05:11,005 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 267 DAG size of output: 76 [2020-09-04 23:05:12,748 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 267 DAG size of output: 76 [2020-09-04 23:05:13,773 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 155 DAG size of output: 71 [2020-09-04 23:05:15,569 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 267 DAG size of output: 76 [2020-09-04 23:05:16,376 WARN L193 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 62 [2020-09-04 23:05:17,179 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 59 [2020-09-04 23:05:18,946 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 267 DAG size of output: 76 [2020-09-04 23:05:19,790 WARN L193 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 57 [2020-09-04 23:05:20,820 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 173 DAG size of output: 64 [2020-09-04 23:05:22,587 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 267 DAG size of output: 76 [2020-09-04 23:05:24,369 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 267 DAG size of output: 76 [2020-09-04 23:05:25,392 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 175 DAG size of output: 63 [2020-09-04 23:05:26,572 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 189 DAG size of output: 61 [2020-09-04 23:05:27,538 WARN L193 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 74 [2020-09-04 23:05:29,323 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 267 DAG size of output: 76 [2020-09-04 23:05:31,082 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 267 DAG size of output: 76 [2020-09-04 23:05:32,063 WARN L193 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 54 [2020-09-04 23:05:33,115 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 173 DAG size of output: 64 [2020-09-04 23:05:34,892 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 267 DAG size of output: 76 [2020-09-04 23:05:35,837 WARN L193 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 62 [2020-09-04 23:05:37,038 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 164 DAG size of output: 71 [2020-09-04 23:05:37,861 WARN L193 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 56 [2020-09-04 23:05:39,632 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 267 DAG size of output: 76 [2020-09-04 23:05:40,553 WARN L193 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 67 [2020-09-04 23:05:41,518 WARN L193 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 70 [2020-09-04 23:05:42,445 WARN L193 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 61 [2020-09-04 23:05:43,254 WARN L193 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 57 [2020-09-04 23:05:44,600 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 246 DAG size of output: 56 [2020-09-04 23:05:45,251 WARN L193 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 54 [2020-09-04 23:05:45,855 WARN L193 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 54 [2020-09-04 23:05:46,462 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 54 [2020-09-04 23:05:47,063 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 54 [2020-09-04 23:06:05,691 WARN L193 SmtUtils]: Spent 18.61 s on a formula simplification. DAG size of input: 536 DAG size of output: 233 [2020-09-04 23:06:07,048 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 246 DAG size of output: 56 [2020-09-04 23:06:25,717 WARN L193 SmtUtils]: Spent 18.62 s on a formula simplification. DAG size of input: 536 DAG size of output: 233 [2020-09-04 23:06:26,763 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 177 DAG size of output: 60 [2020-09-04 23:06:27,690 WARN L193 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 54 [2020-09-04 23:06:29,223 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 250 DAG size of output: 63 [2020-09-04 23:06:30,357 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 185 DAG size of output: 61 [2020-09-04 23:06:31,615 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 188 DAG size of output: 75 [2020-09-04 23:06:33,051 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 169 DAG size of output: 75 [2020-09-04 23:06:33,990 WARN L193 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 64 [2020-09-04 23:06:35,167 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 177 DAG size of output: 68 [2020-09-04 23:06:36,705 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 250 DAG size of output: 63 [2020-09-04 23:06:37,546 WARN L193 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 57 [2020-09-04 23:06:38,535 WARN L193 SmtUtils]: Spent 982.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 65 [2020-09-04 23:06:39,917 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 246 DAG size of output: 56 [2020-09-04 23:06:40,868 WARN L193 SmtUtils]: Spent 944.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 53 [2020-09-04 23:06:41,813 WARN L193 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 53 [2020-09-04 23:06:43,184 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 246 DAG size of output: 56 [2020-09-04 23:06:44,212 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 160 DAG size of output: 56 [2020-09-04 23:06:45,609 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 246 DAG size of output: 56 [2020-09-04 23:06:46,996 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 246 DAG size of output: 56 [2020-09-04 23:06:48,387 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 246 DAG size of output: 56 [2020-09-04 23:06:49,333 WARN L193 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 53