/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 -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label37.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 14:37:01,652 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 14:37:01,655 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 14:37:01,677 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-07-17 14:37:01,705 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 14:37:01,706 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 14:37:01,711 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 14:37:01,713 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 14:37:01,716 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 14:37:01,720 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 14:37:01,723 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 14:37:01,725 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 14:37:01,727 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 14:37:01,728 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 14:37:01,729 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 14:37:01,730 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 14:37:01,732 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 14:37:01,741 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 14:37:01,741 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 14:37:01,742 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 14:37:01,743 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-17 14:37:01,753 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 14:37:01,753 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 14:37:01,755 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 14:37:01,755 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 14:37:01,755 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 14:37:01,756 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 14:37:01,756 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 14:37:01,756 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 14:37:01,756 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 14:37:01,756 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 14:37:01,757 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 14:37:01,757 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 14:37:01,757 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 14:37:01,757 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 14:37:01,757 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 14:37:01,758 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 14:37:01,758 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 14:37:01,758 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 14:37:01,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 14:37:01,758 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 14:37:01,759 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 14:37:01,759 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 14:37:01,759 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-17 14:37:02,055 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 14:37:02,074 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 14:37:02,078 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 14:37:02,080 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 14:37:02,081 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 14:37:02,082 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label37.c [2020-07-17 14:37:02,169 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89aa993c1/e3b9bcd43ccb4f5c9a418dc7eca9aedc/FLAG338ca361a [2020-07-17 14:37:02,785 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 14:37:02,786 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label37.c [2020-07-17 14:37:02,798 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89aa993c1/e3b9bcd43ccb4f5c9a418dc7eca9aedc/FLAG338ca361a [2020-07-17 14:37:03,124 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89aa993c1/e3b9bcd43ccb4f5c9a418dc7eca9aedc [2020-07-17 14:37:03,134 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 14:37:03,137 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 14:37:03,138 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 14:37:03,139 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 14:37:03,142 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 14:37:03,143 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 02:37:03" (1/1) ... [2020-07-17 14:37:03,146 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@461c1c7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:37:03, skipping insertion in model container [2020-07-17 14:37:03,146 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 02:37:03" (1/1) ... [2020-07-17 14:37:03,154 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 14:37:03,200 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 14:37:03,789 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 14:37:03,794 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 14:37:03,906 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 14:37:03,924 INFO L208 MainTranslator]: Completed translation [2020-07-17 14:37:03,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:37:03 WrapperNode [2020-07-17 14:37:03,925 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 14:37:03,926 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 14:37:03,926 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 14:37:03,926 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 14:37:03,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:37:03" (1/1) ... [2020-07-17 14:37:03,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:37:03" (1/1) ... [2020-07-17 14:37:03,965 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:37:03" (1/1) ... [2020-07-17 14:37:03,966 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:37:03" (1/1) ... [2020-07-17 14:37:04,004 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:37:03" (1/1) ... [2020-07-17 14:37:04,041 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:37:03" (1/1) ... [2020-07-17 14:37:04,054 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:37:03" (1/1) ... [2020-07-17 14:37:04,066 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 14:37:04,066 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 14:37:04,067 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 14:37:04,067 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 14:37:04,070 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:37:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 14:37:04,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 14:37:04,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 14:37:04,157 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-17 14:37:04,157 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 14:37:04,157 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-17 14:37:04,157 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 14:37:04,157 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 14:37:04,157 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-17 14:37:04,158 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 14:37:04,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 14:37:04,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 14:37:05,804 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 14:37:05,805 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-17 14:37:05,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 02:37:05 BoogieIcfgContainer [2020-07-17 14:37:05,813 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 14:37:05,814 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 14:37:05,815 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 14:37:05,818 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 14:37:05,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 02:37:03" (1/3) ... [2020-07-17 14:37:05,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e8bfab2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 02:37:05, skipping insertion in model container [2020-07-17 14:37:05,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:37:03" (2/3) ... [2020-07-17 14:37:05,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e8bfab2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 02:37:05, skipping insertion in model container [2020-07-17 14:37:05,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 02:37:05" (3/3) ... [2020-07-17 14:37:05,823 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label37.c [2020-07-17 14:37:05,835 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 14:37:05,845 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 14:37:05,861 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 14:37:05,887 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 14:37:05,887 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 14:37:05,887 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-17 14:37:05,887 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 14:37:05,888 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 14:37:05,888 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 14:37:05,888 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 14:37:05,888 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 14:37:05,912 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states. [2020-07-17 14:37:05,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-07-17 14:37:05,928 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 14:37:05,929 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 14:37:05,930 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 14:37:05,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 14:37:05,937 INFO L82 PathProgramCache]: Analyzing trace with hash 813911311, now seen corresponding path program 1 times [2020-07-17 14:37:05,947 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 14:37:05,947 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [808182299] [2020-07-17 14:37:05,948 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 14:37:06,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:37:06,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:37:06,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 14:37:06,411 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 14:37:06,414 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [808182299] [2020-07-17 14:37:06,416 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 14:37:06,417 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 14:37:06,418 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036799263] [2020-07-17 14:37:06,424 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 14:37:06,425 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 14:37:06,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 14:37:06,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 14:37:06,444 INFO L87 Difference]: Start difference. First operand 456 states. Second operand 4 states. [2020-07-17 14:37:08,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 14:37:08,852 INFO L93 Difference]: Finished difference Result 1160 states and 1585 transitions. [2020-07-17 14:37:08,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 14:37:08,854 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 73 [2020-07-17 14:37:08,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 14:37:08,876 INFO L225 Difference]: With dead ends: 1160 [2020-07-17 14:37:08,876 INFO L226 Difference]: Without dead ends: 631 [2020-07-17 14:37:08,892 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-17 14:37:08,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2020-07-17 14:37:09,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 576. [2020-07-17 14:37:09,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 576 states. [2020-07-17 14:37:09,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 708 transitions. [2020-07-17 14:37:09,081 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 708 transitions. Word has length 73 [2020-07-17 14:37:09,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 14:37:09,082 INFO L479 AbstractCegarLoop]: Abstraction has 576 states and 708 transitions. [2020-07-17 14:37:09,082 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 14:37:09,083 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 708 transitions. [2020-07-17 14:37:09,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-07-17 14:37:09,092 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 14:37:09,092 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-17 14:37:09,093 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 14:37:09,093 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 14:37:09,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 14:37:09,093 INFO L82 PathProgramCache]: Analyzing trace with hash 2131456119, now seen corresponding path program 1 times [2020-07-17 14:37:09,094 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 14:37:09,094 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2046033902] [2020-07-17 14:37:09,094 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 14:37:09,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:37:09,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:37:09,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:37:09,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 14:37:10,453 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-17 14:37:10,624 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-07-17 14:37:10,914 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2020-07-17 14:37:11,115 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-07-17 14:37:11,321 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-07-17 14:37:11,578 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-07-17 14:37:11,848 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-07-17 14:37:12,106 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 14:37:12,554 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2020-07-17 14:37:13,224 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2020-07-17 14:37:13,519 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 14:37:13,985 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2020-07-17 14:37:14,426 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2020-07-17 14:37:14,753 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 14:37:15,060 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 14:37:15,389 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 14:37:15,736 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-07-17 14:37:16,115 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-17 14:37:16,717 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2020-07-17 14:37:17,090 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-17 14:37:17,492 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-07-17 14:37:17,917 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-17 14:37:18,823 WARN L193 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2020-07-17 14:37:19,675 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2020-07-17 14:37:20,097 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-07-17 14:37:20,524 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-17 14:37:21,195 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2020-07-17 14:37:22,139 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2020-07-17 14:37:22,590 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-07-17 14:37:23,082 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-07-17 14:37:23,581 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-07-17 14:37:24,129 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-07-17 14:37:25,270 WARN L193 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2020-07-17 14:37:26,420 WARN L193 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2020-07-17 14:37:27,259 WARN L193 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2020-07-17 14:37:28,412 WARN L193 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2020-07-17 14:37:29,287 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2020-07-17 14:37:29,851 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-07-17 14:37:30,718 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2020-07-17 14:37:31,869 WARN L193 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2020-07-17 14:37:32,702 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2020-07-17 14:37:33,563 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2020-07-17 14:37:34,421 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2020-07-17 14:37:34,851 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 40 [2020-07-17 14:37:34,853 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 14:37:34,853 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2046033902] [2020-07-17 14:37:34,853 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 14:37:34,854 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [65] imperfect sequences [] total 65 [2020-07-17 14:37:34,854 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967777549] [2020-07-17 14:37:34,856 INFO L459 AbstractCegarLoop]: Interpolant automaton has 66 states [2020-07-17 14:37:34,857 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 14:37:34,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2020-07-17 14:37:34,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1528, Invalid=2762, Unknown=0, NotChecked=0, Total=4290 [2020-07-17 14:37:34,860 INFO L87 Difference]: Start difference. First operand 576 states and 708 transitions. Second operand 66 states. [2020-07-17 14:37:38,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 14:37:38,260 INFO L93 Difference]: Finished difference Result 1487 states and 1932 transitions. [2020-07-17 14:37:38,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-17 14:37:38,265 INFO L78 Accepts]: Start accepts. Automaton has 66 states. Word has length 156 [2020-07-17 14:37:38,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 14:37:38,283 INFO L225 Difference]: With dead ends: 1487 [2020-07-17 14:37:38,285 INFO L226 Difference]: Without dead ends: 926 [2020-07-17 14:37:38,308 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 741 ImplicationChecksByTransitivity, 25.4s TimeCoverageRelationStatistics Valid=1558, Invalid=3412, Unknown=0, NotChecked=0, Total=4970 [2020-07-17 14:37:38,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2020-07-17 14:37:38,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 890. [2020-07-17 14:37:38,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 890 states. [2020-07-17 14:37:38,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 890 states and 1127 transitions. [2020-07-17 14:37:38,474 INFO L78 Accepts]: Start accepts. Automaton has 890 states and 1127 transitions. Word has length 156 [2020-07-17 14:37:38,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 14:37:38,478 INFO L479 AbstractCegarLoop]: Abstraction has 890 states and 1127 transitions. [2020-07-17 14:37:38,478 INFO L480 AbstractCegarLoop]: Interpolant automaton has 66 states. [2020-07-17 14:37:38,478 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1127 transitions. [2020-07-17 14:37:38,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-07-17 14:37:38,494 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 14:37:38,495 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-17 14:37:38,495 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 14:37:38,496 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 14:37:38,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 14:37:38,496 INFO L82 PathProgramCache]: Analyzing trace with hash 195812498, now seen corresponding path program 1 times [2020-07-17 14:37:38,497 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 14:37:38,497 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1328164872] [2020-07-17 14:37:38,497 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 14:37:38,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:37:38,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:37:38,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:37:38,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 14:37:39,948 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-17 14:37:40,245 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2020-07-17 14:37:40,442 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-07-17 14:37:40,664 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-07-17 14:37:40,910 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-07-17 14:37:41,170 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-07-17 14:37:41,457 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-07-17 14:37:41,925 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2020-07-17 14:37:42,617 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2020-07-17 14:37:42,924 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 14:37:43,421 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2020-07-17 14:37:43,894 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2020-07-17 14:37:44,194 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-07-17 14:37:44,519 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 14:37:44,865 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 14:37:45,245 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 14:37:45,627 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-07-17 14:37:46,236 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2020-07-17 14:37:46,630 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-07-17 14:37:47,044 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-17 14:37:47,467 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-07-17 14:37:48,410 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2020-07-17 14:37:49,331 WARN L193 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2020-07-17 14:37:49,747 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-17 14:37:50,185 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-07-17 14:37:50,899 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2020-07-17 14:37:51,905 WARN L193 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2020-07-17 14:37:52,377 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-17 14:37:52,875 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-07-17 14:37:53,401 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-07-17 14:37:53,933 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-07-17 14:37:55,152 WARN L193 SmtUtils]: Spent 983.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2020-07-17 14:37:56,366 WARN L193 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2020-07-17 14:37:57,261 WARN L193 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2020-07-17 14:37:58,479 WARN L193 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2020-07-17 14:37:59,390 WARN L193 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2020-07-17 14:38:00,021 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-07-17 14:38:00,943 WARN L193 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2020-07-17 14:38:02,157 WARN L193 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 84 [2020-07-17 14:38:03,033 WARN L193 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-07-17 14:38:04,006 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-07-17 14:38:04,913 WARN L193 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-07-17 14:38:05,369 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 39 [2020-07-17 14:38:05,370 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 14:38:05,371 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1328164872] [2020-07-17 14:38:05,371 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 14:38:05,371 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [65] imperfect sequences [] total 65 [2020-07-17 14:38:05,372 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337034133] [2020-07-17 14:38:05,375 INFO L459 AbstractCegarLoop]: Interpolant automaton has 66 states [2020-07-17 14:38:05,375 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 14:38:05,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2020-07-17 14:38:05,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1527, Invalid=2763, Unknown=0, NotChecked=0, Total=4290 [2020-07-17 14:38:05,381 INFO L87 Difference]: Start difference. First operand 890 states and 1127 transitions. Second operand 66 states. [2020-07-17 14:38:09,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 14:38:09,946 INFO L93 Difference]: Finished difference Result 2763 states and 3677 transitions. [2020-07-17 14:38:09,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-17 14:38:09,947 INFO L78 Accepts]: Start accepts. Automaton has 66 states. Word has length 156 [2020-07-17 14:38:09,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 14:38:09,977 INFO L225 Difference]: With dead ends: 2763 [2020-07-17 14:38:09,978 INFO L226 Difference]: Without dead ends: 1888 [2020-07-17 14:38:09,985 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 931 ImplicationChecksByTransitivity, 26.7s TimeCoverageRelationStatistics Valid=1576, Invalid=3826, Unknown=0, NotChecked=0, Total=5402 [2020-07-17 14:38:09,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1888 states. [2020-07-17 14:38:10,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1888 to 1818. [2020-07-17 14:38:10,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1818 states. [2020-07-17 14:38:10,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1818 states to 1818 states and 2251 transitions. [2020-07-17 14:38:10,200 INFO L78 Accepts]: Start accepts. Automaton has 1818 states and 2251 transitions. Word has length 156 [2020-07-17 14:38:10,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 14:38:10,201 INFO L479 AbstractCegarLoop]: Abstraction has 1818 states and 2251 transitions. [2020-07-17 14:38:10,201 INFO L480 AbstractCegarLoop]: Interpolant automaton has 66 states. [2020-07-17 14:38:10,201 INFO L276 IsEmpty]: Start isEmpty. Operand 1818 states and 2251 transitions. [2020-07-17 14:38:10,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-07-17 14:38:10,205 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 14:38:10,206 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-17 14:38:10,206 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 14:38:10,206 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 14:38:10,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 14:38:10,207 INFO L82 PathProgramCache]: Analyzing trace with hash -1429790590, now seen corresponding path program 1 times [2020-07-17 14:38:10,207 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 14:38:10,208 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [685702908] [2020-07-17 14:38:10,208 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 14:38:10,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:38:10,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:38:10,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:38:10,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 14:38:10,499 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 14:38:10,499 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [685702908] [2020-07-17 14:38:10,500 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 14:38:10,500 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 14:38:10,500 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161050965] [2020-07-17 14:38:10,501 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 14:38:10,501 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 14:38:10,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 14:38:10,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 14:38:10,502 INFO L87 Difference]: Start difference. First operand 1818 states and 2251 transitions. Second operand 5 states. [2020-07-17 14:38:12,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 14:38:12,708 INFO L93 Difference]: Finished difference Result 3965 states and 4967 transitions. [2020-07-17 14:38:12,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-17 14:38:12,709 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 162 [2020-07-17 14:38:12,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 14:38:12,733 INFO L225 Difference]: With dead ends: 3965 [2020-07-17 14:38:12,737 INFO L226 Difference]: Without dead ends: 2162 [2020-07-17 14:38:12,746 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-07-17 14:38:12,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2162 states. [2020-07-17 14:38:12,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2162 to 2126. [2020-07-17 14:38:12,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2126 states. [2020-07-17 14:38:12,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2126 states to 2126 states and 2535 transitions. [2020-07-17 14:38:12,990 INFO L78 Accepts]: Start accepts. Automaton has 2126 states and 2535 transitions. Word has length 162 [2020-07-17 14:38:12,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 14:38:12,992 INFO L479 AbstractCegarLoop]: Abstraction has 2126 states and 2535 transitions. [2020-07-17 14:38:12,992 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 14:38:12,992 INFO L276 IsEmpty]: Start isEmpty. Operand 2126 states and 2535 transitions. [2020-07-17 14:38:12,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-07-17 14:38:12,996 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 14:38:12,997 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-17 14:38:12,997 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 14:38:12,997 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 14:38:12,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 14:38:12,998 INFO L82 PathProgramCache]: Analyzing trace with hash 1732709795, now seen corresponding path program 1 times [2020-07-17 14:38:12,998 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 14:38:12,998 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [271787811] [2020-07-17 14:38:12,998 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 14:38:13,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:38:13,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:38:13,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:38:13,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 14:38:14,379 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-07-17 14:38:14,573 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-07-17 14:38:14,903 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2020-07-17 14:38:15,124 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-07-17 14:38:15,369 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 14:38:15,635 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 14:38:15,909 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 14:38:16,209 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-07-17 14:38:16,722 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 79 [2020-07-17 14:38:17,491 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 79 [2020-07-17 14:38:17,816 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-17 14:38:18,337 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2020-07-17 14:38:18,931 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2020-07-17 14:38:19,260 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-07-17 14:38:19,613 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-17 14:38:19,987 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-07-17 14:38:20,379 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-17 14:38:20,814 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-07-17 14:38:21,480 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2020-07-17 14:38:21,902 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-07-17 14:38:22,341 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-07-17 14:38:22,798 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-07-17 14:38:23,834 WARN L193 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 84 [2020-07-17 14:38:24,849 WARN L193 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2020-07-17 14:38:25,309 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-07-17 14:38:25,792 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-07-17 14:38:26,554 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2020-07-17 14:38:27,649 WARN L193 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2020-07-17 14:38:28,177 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-07-17 14:38:28,735 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-07-17 14:38:29,298 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-07-17 14:38:29,879 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-07-17 14:38:31,183 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2020-07-17 14:38:32,513 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2020-07-17 14:38:33,475 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2020-07-17 14:38:34,805 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2020-07-17 14:38:35,780 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2020-07-17 14:38:36,423 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-07-17 14:38:37,428 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 89 [2020-07-17 14:38:38,745 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2020-07-17 14:38:39,721 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2020-07-17 14:38:40,746 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2020-07-17 14:38:41,736 WARN L193 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2020-07-17 14:38:42,204 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 44 [2020-07-17 14:38:42,205 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 14:38:42,205 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [271787811] [2020-07-17 14:38:42,206 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 14:38:42,206 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [64] imperfect sequences [] total 64 [2020-07-17 14:38:42,206 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729252867] [2020-07-17 14:38:42,206 INFO L459 AbstractCegarLoop]: Interpolant automaton has 65 states [2020-07-17 14:38:42,207 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 14:38:42,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2020-07-17 14:38:42,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1523, Invalid=2637, Unknown=0, NotChecked=0, Total=4160 [2020-07-17 14:38:42,209 INFO L87 Difference]: Start difference. First operand 2126 states and 2535 transitions. Second operand 65 states. [2020-07-17 14:38:45,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 14:38:45,967 INFO L93 Difference]: Finished difference Result 4428 states and 5296 transitions. [2020-07-17 14:38:45,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-17 14:38:45,969 INFO L78 Accepts]: Start accepts. Automaton has 65 states. Word has length 178 [2020-07-17 14:38:45,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 14:38:45,986 INFO L225 Difference]: With dead ends: 4428 [2020-07-17 14:38:45,987 INFO L226 Difference]: Without dead ends: 2317 [2020-07-17 14:38:45,995 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 558 ImplicationChecksByTransitivity, 28.9s TimeCoverageRelationStatistics Valid=1540, Invalid=3016, Unknown=0, NotChecked=0, Total=4556 [2020-07-17 14:38:46,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2317 states. [2020-07-17 14:38:46,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2317 to 2294. [2020-07-17 14:38:46,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2294 states. [2020-07-17 14:38:46,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2294 states to 2294 states and 2733 transitions. [2020-07-17 14:38:46,214 INFO L78 Accepts]: Start accepts. Automaton has 2294 states and 2733 transitions. Word has length 178 [2020-07-17 14:38:46,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 14:38:46,215 INFO L479 AbstractCegarLoop]: Abstraction has 2294 states and 2733 transitions. [2020-07-17 14:38:46,215 INFO L480 AbstractCegarLoop]: Interpolant automaton has 65 states. [2020-07-17 14:38:46,215 INFO L276 IsEmpty]: Start isEmpty. Operand 2294 states and 2733 transitions. [2020-07-17 14:38:46,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2020-07-17 14:38:46,222 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 14:38:46,222 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-17 14:38:46,222 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 14:38:46,222 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 14:38:46,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 14:38:46,223 INFO L82 PathProgramCache]: Analyzing trace with hash 517846386, now seen corresponding path program 1 times [2020-07-17 14:38:46,223 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 14:38:46,224 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [953243466] [2020-07-17 14:38:46,224 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 14:38:46,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:38:46,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:38:46,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:38:46,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:38:47,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 14:38:48,732 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-07-17 14:38:48,986 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-07-17 14:38:49,239 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-07-17 14:38:49,637 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2020-07-17 14:38:49,889 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 14:38:50,152 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 14:38:50,460 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-07-17 14:38:50,787 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-17 14:38:51,124 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-07-17 14:38:51,717 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2020-07-17 14:38:52,525 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2020-07-17 14:38:52,896 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-17 14:38:53,507 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2020-07-17 14:38:54,079 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2020-07-17 14:38:54,450 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-07-17 14:38:54,854 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-17 14:38:55,272 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-07-17 14:38:55,704 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-07-17 14:38:56,175 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-07-17 14:38:56,896 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 84 [2020-07-17 14:38:57,362 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-07-17 14:38:57,859 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-07-17 14:38:58,375 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-07-17 14:38:59,508 WARN L193 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2020-07-17 14:39:00,599 WARN L193 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2020-07-17 14:39:01,126 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-07-17 14:39:01,671 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-07-17 14:39:02,546 WARN L193 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2020-07-17 14:39:03,763 WARN L193 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2020-07-17 14:39:04,340 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-07-17 14:39:04,929 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-07-17 14:39:05,595 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-07-17 14:39:06,252 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-17 14:39:07,713 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 92 DAG size of output: 91 [2020-07-17 14:39:09,161 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 92 DAG size of output: 91 [2020-07-17 14:39:10,228 WARN L193 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 91 [2020-07-17 14:39:11,720 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 92 DAG size of output: 91 [2020-07-17 14:39:12,822 WARN L193 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 91 [2020-07-17 14:39:13,614 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-07-17 14:39:14,700 WARN L193 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2020-07-17 14:39:16,180 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2020-07-17 14:39:17,384 WARN L193 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2020-07-17 14:39:18,470 WARN L193 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2020-07-17 14:39:19,559 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2020-07-17 14:39:20,042 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 45 [2020-07-17 14:39:20,043 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 14:39:20,044 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [953243466] [2020-07-17 14:39:20,044 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 14:39:20,044 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [72] imperfect sequences [] total 72 [2020-07-17 14:39:20,045 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138322003] [2020-07-17 14:39:20,045 INFO L459 AbstractCegarLoop]: Interpolant automaton has 73 states [2020-07-17 14:39:20,045 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 14:39:20,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2020-07-17 14:39:20,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1609, Invalid=3647, Unknown=0, NotChecked=0, Total=5256 [2020-07-17 14:39:20,048 INFO L87 Difference]: Start difference. First operand 2294 states and 2733 transitions. Second operand 73 states. [2020-07-17 14:39:21,132 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2020-07-17 14:39:22,352 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 77 [2020-07-17 14:39:22,625 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2020-07-17 14:39:22,952 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2020-07-17 14:39:23,326 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2020-07-17 14:39:23,720 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 92 [2020-07-17 14:39:24,167 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 96 [2020-07-17 14:39:24,610 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 95 [2020-07-17 14:39:25,125 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 99 [2020-07-17 14:39:25,635 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 100 [2020-07-17 14:39:26,459 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 101 [2020-07-17 14:39:27,302 WARN L193 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 102 [2020-07-17 14:39:28,205 WARN L193 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2020-07-17 14:39:29,137 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2020-07-17 14:39:30,106 WARN L193 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 104 [2020-07-17 14:39:31,015 WARN L193 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2020-07-17 14:39:31,860 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 102 [2020-07-17 14:39:32,790 WARN L193 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2020-07-17 14:39:33,767 WARN L193 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 104 [2020-07-17 14:39:34,812 WARN L193 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2020-07-17 14:39:35,929 WARN L193 SmtUtils]: Spent 992.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 106 [2020-07-17 14:39:37,098 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 108 DAG size of output: 107 [2020-07-17 14:39:38,217 WARN L193 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 106 [2020-07-17 14:39:39,371 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 108 DAG size of output: 107 [2020-07-17 14:39:40,615 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 109 DAG size of output: 108 [2020-07-17 14:39:41,876 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 110 DAG size of output: 109 [2020-07-17 14:39:43,117 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 109 DAG size of output: 108 [2020-07-17 14:39:43,975 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2020-07-17 14:39:44,905 WARN L193 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 109 [2020-07-17 14:39:45,821 WARN L193 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 110 [2020-07-17 14:39:46,751 WARN L193 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 110 [2020-07-17 14:39:47,686 WARN L193 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 110 [2020-07-17 14:39:48,679 WARN L193 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 111 [2020-07-17 14:39:49,705 WARN L193 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 112 [2020-07-17 14:39:50,791 WARN L193 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 113 [2020-07-17 14:39:51,911 WARN L193 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 114 [2020-07-17 14:39:53,077 WARN L193 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 114 [2020-07-17 14:39:54,228 WARN L193 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 114 [2020-07-17 14:39:55,410 WARN L193 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 114 [2020-07-17 14:39:56,591 WARN L193 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 114 [2020-07-17 14:39:57,801 WARN L193 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 115 [2020-07-17 14:39:58,970 WARN L193 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 114 [2020-07-17 14:40:00,083 WARN L193 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 113 [2020-07-17 14:40:01,196 WARN L193 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 113 [2020-07-17 14:40:02,336 WARN L193 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 113 [2020-07-17 14:40:03,631 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 113 DAG size of output: 113 [2020-07-17 14:40:04,460 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 63 [2020-07-17 14:40:05,360 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 92 [2020-07-17 14:40:06,259 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 78 [2020-07-17 14:40:06,558 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 62 [2020-07-17 14:40:06,987 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 43 [2020-07-17 14:40:08,214 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 55 [2020-07-17 14:40:08,700 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2020-07-17 14:40:08,967 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 69 [2020-07-17 14:40:09,259 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 77 [2020-07-17 14:40:09,741 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 80 [2020-07-17 14:40:10,140 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 84 [2020-07-17 14:40:10,721 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 88 [2020-07-17 14:40:11,295 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 92 [2020-07-17 14:40:12,107 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 93 [2020-07-17 14:40:12,896 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 93 [2020-07-17 14:40:13,518 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 94 [2020-07-17 14:40:14,140 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 95 [2020-07-17 14:40:14,814 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 96 [2020-07-17 14:40:15,533 WARN L193 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 96 [2020-07-17 14:40:16,462 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 96 [2020-07-17 14:40:17,316 WARN L193 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 97 [2020-07-17 14:40:18,099 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 98 [2020-07-17 14:40:18,472 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 45 [2020-07-17 14:40:19,363 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 99 [2020-07-17 14:40:20,203 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 100 [2020-07-17 14:40:21,101 WARN L193 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 101 [2020-07-17 14:40:22,072 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 101 [2020-07-17 14:40:23,217 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 101 [2020-07-17 14:40:24,197 WARN L193 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 101 [2020-07-17 14:40:25,488 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 101 [2020-07-17 14:40:26,459 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 101 [2020-07-17 14:40:27,432 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 101 [2020-07-17 14:40:28,794 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 65 [2020-07-17 14:40:29,138 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 45 [2020-07-17 14:40:29,532 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 47 [2020-07-17 14:40:30,049 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 62 [2020-07-17 14:40:30,814 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 51 [2020-07-17 14:40:31,732 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2020-07-17 14:40:33,536 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 40 [2020-07-17 14:40:34,286 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 60 [2020-07-17 14:40:34,772 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 71 [2020-07-17 14:40:35,103 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 79 [2020-07-17 14:40:35,448 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 64 [2020-07-17 14:40:35,990 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 82 [2020-07-17 14:40:36,523 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2020-07-17 14:40:37,209 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 90 [2020-07-17 14:40:38,280 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 94 [2020-07-17 14:40:39,591 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 95 [2020-07-17 14:40:41,289 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 95 [2020-07-17 14:40:42,432 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 96 [2020-07-17 14:40:43,180 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 97 [2020-07-17 14:40:44,226 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 98 [2020-07-17 14:40:44,489 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2020-07-17 14:40:45,418 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 98 [2020-07-17 14:40:46,773 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 98 [2020-07-17 14:40:47,994 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 99 [2020-07-17 14:40:48,952 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 100 [2020-07-17 14:40:50,393 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 101 [2020-07-17 14:40:51,529 WARN L193 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 102 [2020-07-17 14:40:52,859 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 103 [2020-07-17 14:40:53,334 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 65 [2020-07-17 14:40:54,819 WARN L193 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 103 [2020-07-17 14:40:56,355 WARN L193 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 103 [2020-07-17 14:40:57,596 WARN L193 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 103 [2020-07-17 14:40:58,980 WARN L193 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 103 [2020-07-17 14:41:00,194 WARN L193 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 103 [2020-07-17 14:41:01,721 WARN L193 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 103 [2020-07-17 14:41:02,543 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 73 [2020-07-17 14:41:04,746 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 49 [2020-07-17 14:41:06,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 14:41:06,537 INFO L93 Difference]: Finished difference Result 4878 states and 5894 transitions. [2020-07-17 14:41:06,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2020-07-17 14:41:06,540 INFO L78 Accepts]: Start accepts. Automaton has 73 states. Word has length 257 [2020-07-17 14:41:06,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 14:41:06,551 INFO L225 Difference]: With dead ends: 4878 [2020-07-17 14:41:06,552 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 14:41:06,582 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 229 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16107 ImplicationChecksByTransitivity, 116.7s TimeCoverageRelationStatistics Valid=10852, Invalid=42278, Unknown=0, NotChecked=0, Total=53130 [2020-07-17 14:41:06,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 14:41:06,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 14:41:06,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 14:41:06,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 14:41:06,584 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 257 [2020-07-17 14:41:06,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 14:41:06,584 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 14:41:06,584 INFO L480 AbstractCegarLoop]: Interpolant automaton has 73 states. [2020-07-17 14:41:06,586 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 14:41:06,586 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 14:41:06,587 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-17 14:41:06,590 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 14:41:35,263 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 222 [2020-07-17 14:41:35,382 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 264 [2020-07-17 14:41:35,500 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 260 [2020-07-17 14:41:35,678 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 284 [2020-07-17 14:41:36,193 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 249 [2020-07-17 14:41:36,566 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 222 [2020-07-17 14:41:36,680 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 264 [2020-07-17 14:41:36,945 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 284 [2020-07-17 14:41:47,830 WARN L193 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 132 [2020-07-17 14:41:48,990 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 207 DAG size of output: 123 [2020-07-17 14:41:49,489 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 80 [2020-07-17 14:41:49,899 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 75 [2020-07-17 14:41:50,336 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 77 [2020-07-17 14:41:50,713 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 91 [2020-07-17 14:41:53,374 WARN L193 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 293 DAG size of output: 134 [2020-07-17 14:41:53,834 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 84 [2020-07-17 14:41:54,606 WARN L193 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 108 [2020-07-17 14:41:55,334 WARN L193 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 106 [2020-07-17 14:41:58,220 WARN L193 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 293 DAG size of output: 146 [2020-07-17 14:42:00,726 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 293 DAG size of output: 138 [2020-07-17 14:42:01,221 WARN L193 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 108 [2020-07-17 14:42:01,567 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 80 [2020-07-17 14:42:02,459 WARN L193 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 95 [2020-07-17 14:42:02,829 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 80 [2020-07-17 14:42:03,222 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 84 [2020-07-17 14:42:03,593 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 87 [2020-07-17 14:42:04,445 WARN L193 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 120 [2020-07-17 14:42:04,925 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 87 [2020-07-17 14:42:05,664 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 97 [2020-07-17 14:42:06,148 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 82 [2020-07-17 14:42:06,741 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 108 [2020-07-17 14:42:07,713 WARN L193 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 115 [2020-07-17 14:42:08,080 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 80 [2020-07-17 14:42:08,472 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 81 [2020-07-17 14:42:08,741 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 61 [2020-07-17 14:42:08,994 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 59 [2020-07-17 14:42:09,209 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 48 [2020-07-17 14:42:09,600 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 76 [2020-07-17 14:42:09,973 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 80 [2020-07-17 14:42:12,469 WARN L193 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 293 DAG size of output: 135 [2020-07-17 14:42:14,470 WARN L193 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 272 DAG size of output: 130 [2020-07-17 14:42:14,760 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 76 [2020-07-17 14:42:15,067 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 75 [2020-07-17 14:42:15,516 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 96 [2020-07-17 14:42:17,973 WARN L193 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 289 DAG size of output: 133 [2020-07-17 14:42:18,426 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 96 [2020-07-17 14:42:20,381 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 288 DAG size of output: 135 [2020-07-17 14:42:22,793 WARN L193 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 288 DAG size of output: 135 [2020-07-17 14:42:23,245 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 96 [2020-07-17 14:42:23,539 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 76 [2020-07-17 14:42:24,684 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 260 DAG size of output: 117 [2020-07-17 14:42:25,621 WARN L193 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 112 [2020-07-17 14:42:25,949 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 75 [2020-07-17 14:42:27,978 WARN L193 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 268 DAG size of output: 132 [2020-07-17 14:42:29,089 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 258 DAG size of output: 116 [2020-07-17 14:42:31,810 WARN L193 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 279 DAG size of output: 143 [2020-07-17 14:42:32,191 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 75 [2020-07-17 14:42:32,512 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 76 [2020-07-17 14:42:33,030 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 96 [2020-07-17 14:42:35,846 WARN L193 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 289 DAG size of output: 136 [2020-07-17 14:42:36,344 WARN L193 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 96 [2020-07-17 14:42:38,173 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 288 DAG size of output: 129 [2020-07-17 14:42:38,590 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 78 [2020-07-17 14:42:39,119 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 93 [2020-07-17 14:42:41,796 WARN L193 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 293 DAG size of output: 140 [2020-07-17 14:42:44,451 WARN L193 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 293 DAG size of output: 138 [2020-07-17 14:42:47,535 WARN L193 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 293 DAG size of output: 152 [2020-07-17 14:42:48,640 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 207 DAG size of output: 123 [2020-07-17 14:42:51,468 WARN L193 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 293 DAG size of output: 141 [2020-07-17 14:42:54,104 WARN L193 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 293 DAG size of output: 134 [2020-07-17 14:42:54,544 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 76 [2020-07-17 14:42:54,973 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 80 [2020-07-17 14:42:55,534 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 83 [2020-07-17 14:42:56,056 WARN L193 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 93 [2020-07-17 14:42:56,525 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 86 [2020-07-17 14:42:59,350 WARN L193 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 293 DAG size of output: 140 [2020-07-17 14:43:02,309 WARN L193 SmtUtils]: Spent 2.95 s on a formula simplification. DAG size of input: 293 DAG size of output: 146 [2020-07-17 14:43:02,947 WARN L193 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 100 [2020-07-17 14:43:04,907 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 293 DAG size of output: 128 [2020-07-17 14:43:06,079 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 207 DAG size of output: 123 [2020-07-17 14:43:07,196 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 209 DAG size of output: 115 [2020-07-17 14:43:07,717 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 88 [2020-07-17 14:43:08,697 WARN L193 SmtUtils]: Spent 975.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 112 [2020-07-17 14:43:11,867 WARN L193 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 293 DAG size of output: 146 [2020-07-17 14:43:13,587 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 249 DAG size of output: 139 [2020-07-17 14:43:16,750 WARN L193 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 293 DAG size of output: 140 [2020-07-17 14:43:17,280 WARN L193 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 90 [2020-07-17 14:43:17,752 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 84 [2020-07-17 14:43:18,230 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 79 [2020-07-17 14:43:19,147 WARN L193 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 110 [2020-07-17 14:43:21,358 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 293 DAG size of output: 134 [2020-07-17 14:43:24,375 WARN L193 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 293 DAG size of output: 141 [2020-07-17 14:43:24,900 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 108 [2020-07-17 14:43:25,529 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 87 [2020-07-17 14:43:26,194 WARN L193 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 93 [2020-07-17 14:43:26,689 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 84 [2020-07-17 14:43:27,155 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 83 [2020-07-17 14:43:27,670 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 77 [2020-07-17 14:43:30,749 WARN L193 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 293 DAG size of output: 140 [2020-07-17 14:43:31,087 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 76 [2020-07-17 14:43:34,092 WARN L193 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 288 DAG size of output: 139 [2020-07-17 14:43:34,638 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 87 [2020-07-17 14:43:36,998 WARN L193 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 293 DAG size of output: 134 [2020-07-17 14:43:37,554 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 90 [2020-07-17 14:43:38,334 WARN L193 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 82 [2020-07-17 14:43:40,569 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 293 DAG size of output: 133 [2020-07-17 14:43:41,097 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 90 [2020-07-17 14:43:41,575 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 84 [2020-07-17 14:43:42,284 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 81 [2020-07-17 14:43:42,841 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 90 [2020-07-17 14:43:43,481 WARN L193 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 88 [2020-07-17 14:43:44,903 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 203 DAG size of output: 112 [2020-07-17 14:43:46,065 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 200 DAG size of output: 112 [2020-07-17 14:43:48,257 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 293 DAG size of output: 127 [2020-07-17 14:43:49,099 WARN L193 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 106 [2020-07-17 14:43:49,774 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 84 [2020-07-17 14:43:52,998 WARN L193 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 293 DAG size of output: 140 [2020-07-17 14:43:56,299 WARN L193 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 288 DAG size of output: 140 [2020-07-17 14:43:56,649 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 76 [2020-07-17 14:43:57,260 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 87 [2020-07-17 14:43:57,837 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 96 [2020-07-17 14:43:58,609 WARN L193 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 97 [2020-07-17 14:43:59,184 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 86 [2020-07-17 14:43:59,921 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 93 [2020-07-17 14:44:00,447 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 102 [2020-07-17 14:44:01,757 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 201 DAG size of output: 128 [2020-07-17 14:44:02,992 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 246 DAG size of output: 95 [2020-07-17 14:44:04,707 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 246 DAG size of output: 118 [2020-07-17 14:44:07,177 WARN L193 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 261 DAG size of output: 134 [2020-07-17 14:44:07,619 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 75 [2020-07-17 14:44:07,979 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 76 [2020-07-17 14:44:08,353 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 76 [2020-07-17 14:44:11,191 WARN L193 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 273 DAG size of output: 135 [2020-07-17 14:44:11,602 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 75 [2020-07-17 14:44:15,283 WARN L193 SmtUtils]: Spent 3.68 s on a formula simplification. DAG size of input: 288 DAG size of output: 147 [2020-07-17 14:44:18,429 WARN L193 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 289 DAG size of output: 154 [2020-07-17 14:44:19,225 WARN L193 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 95 [2020-07-17 14:44:19,952 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 93 [2020-07-17 14:44:20,428 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 89 [2020-07-17 14:44:23,770 WARN L193 SmtUtils]: Spent 3.34 s on a formula simplification. DAG size of input: 293 DAG size of output: 139 [2020-07-17 14:44:24,268 WARN L193 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 80 [2020-07-17 14:44:25,132 WARN L193 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 98 [2020-07-17 14:44:26,384 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 189 DAG size of output: 132 [2020-07-17 14:44:27,081 WARN L193 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 93 [2020-07-17 14:44:28,002 WARN L193 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 85 [2020-07-17 14:44:28,885 WARN L193 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 106 [2020-07-17 14:44:32,510 WARN L193 SmtUtils]: Spent 3.62 s on a formula simplification. DAG size of input: 293 DAG size of output: 140 [2020-07-17 14:44:33,064 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 84 [2020-07-17 14:44:33,997 WARN L193 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 82 [2020-07-17 14:44:34,795 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 94 [2020-07-17 14:44:36,095 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 246 DAG size of output: 95 [2020-07-17 14:44:37,304 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 200 DAG size of output: 106 [2020-07-17 14:44:37,811 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 88 [2020-07-17 14:44:41,618 WARN L193 SmtUtils]: Spent 3.80 s on a formula simplification. DAG size of input: 293 DAG size of output: 144 [2020-07-17 14:44:45,606 WARN L193 SmtUtils]: Spent 3.98 s on a formula simplification. DAG size of input: 293 DAG size of output: 144 [2020-07-17 14:44:49,363 WARN L193 SmtUtils]: Spent 3.75 s on a formula simplification. DAG size of input: 293 DAG size of output: 139 [2020-07-17 14:44:52,906 WARN L193 SmtUtils]: Spent 3.54 s on a formula simplification. DAG size of input: 293 DAG size of output: 140 [2020-07-17 14:44:53,515 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 79 [2020-07-17 14:44:57,428 WARN L193 SmtUtils]: Spent 3.91 s on a formula simplification. DAG size of input: 293 DAG size of output: 146 [2020-07-17 14:44:58,394 WARN L193 SmtUtils]: Spent 961.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 85 [2020-07-17 14:44:58,918 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 79 [2020-07-17 14:44:59,431 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 79 [2020-07-17 14:45:03,258 WARN L193 SmtUtils]: Spent 3.82 s on a formula simplification. DAG size of input: 293 DAG size of output: 147 [2020-07-17 14:45:04,494 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 200 DAG size of output: 112 [2020-07-17 14:45:07,019 WARN L193 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 293 DAG size of output: 127 [2020-07-17 14:45:10,221 WARN L193 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 293 DAG size of output: 133 [2020-07-17 14:45:11,860 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 196 DAG size of output: 118 [2020-07-17 14:45:14,464 WARN L193 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 293 DAG size of output: 127 [2020-07-17 14:45:15,164 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 77 [2020-07-17 14:45:16,792 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 209 DAG size of output: 115 [2020-07-17 14:45:18,350 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 192 DAG size of output: 122 [2020-07-17 14:45:22,158 WARN L193 SmtUtils]: Spent 3.80 s on a formula simplification. DAG size of input: 293 DAG size of output: 134 [2020-07-17 14:45:23,146 WARN L193 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 82 [2020-07-17 14:45:23,723 WARN L193 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 75 [2020-07-17 14:45:26,534 WARN L193 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 293 DAG size of output: 128 [2020-07-17 14:45:27,155 WARN L193 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 84 [2020-07-17 14:45:28,053 WARN L193 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 94 [2020-07-17 14:45:28,754 WARN L193 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 90 [2020-07-17 14:45:29,309 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 89 [2020-07-17 14:45:30,399 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 152 DAG size of output: 96 [2020-07-17 14:45:30,788 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 68 [2020-07-17 14:45:31,519 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 96 [2020-07-17 14:45:34,540 WARN L193 SmtUtils]: Spent 3.02 s on a formula simplification. DAG size of input: 288 DAG size of output: 133 [2020-07-17 14:45:37,822 WARN L193 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 290 DAG size of output: 137 [2020-07-17 14:45:38,584 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 96 [2020-07-17 14:45:40,308 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 196 DAG size of output: 111 [2020-07-17 14:45:40,986 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 76 [2020-07-17 14:45:41,536 WARN L193 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 75 [2020-07-17 14:45:42,292 WARN L193 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 87 [2020-07-17 14:45:43,201 WARN L193 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 94 [2020-07-17 14:45:45,369 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 238 DAG size of output: 127 [2020-07-17 14:45:46,187 WARN L193 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 78 [2020-07-17 14:45:48,575 WARN L193 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 256 DAG size of output: 121 [2020-07-17 14:45:51,073 WARN L193 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 267 DAG size of output: 130 [2020-07-17 14:45:51,609 WARN L193 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 75 [2020-07-17 14:45:52,100 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 75 [2020-07-17 14:45:52,874 WARN L193 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 96 [2020-07-17 14:45:57,184 WARN L193 SmtUtils]: Spent 4.30 s on a formula simplification. DAG size of input: 279 DAG size of output: 147 [2020-07-17 14:45:57,950 WARN L193 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 96 [2020-07-17 14:45:58,442 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 76 [2020-07-17 14:46:02,827 WARN L193 SmtUtils]: Spent 4.38 s on a formula simplification. DAG size of input: 288 DAG size of output: 138 [2020-07-17 14:46:03,611 WARN L193 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 96 [2020-07-17 14:46:07,803 WARN L193 SmtUtils]: Spent 4.19 s on a formula simplification. DAG size of input: 288 DAG size of output: 134 [2020-07-17 14:46:12,272 WARN L193 SmtUtils]: Spent 4.46 s on a formula simplification. DAG size of input: 288 DAG size of output: 140 [2020-07-17 14:46:13,073 WARN L193 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 96 [2020-07-17 14:46:16,464 WARN L193 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 288 DAG size of output: 139 [2020-07-17 14:46:17,319 WARN L193 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 88 [2020-07-17 14:46:21,807 WARN L193 SmtUtils]: Spent 4.48 s on a formula simplification. DAG size of input: 288 DAG size of output: 140 [2020-07-17 14:46:24,705 WARN L193 SmtUtils]: Spent 2.89 s on a formula simplification. DAG size of input: 261 DAG size of output: 124 [2020-07-17 14:46:26,524 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 236 DAG size of output: 111 [2020-07-17 14:46:30,257 WARN L193 SmtUtils]: Spent 3.73 s on a formula simplification. DAG size of input: 271 DAG size of output: 132 [2020-07-17 14:46:31,102 WARN L193 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 96 [2020-07-17 14:46:31,792 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 90 [2020-07-17 14:46:32,240 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 59 [2020-07-17 14:46:33,217 WARN L193 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 77 [2020-07-17 14:46:34,321 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 152 DAG size of output: 95 [2020-07-17 14:46:35,002 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 84 [2020-07-17 14:46:36,233 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 198 DAG size of output: 113 [2020-07-17 14:46:37,482 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 188 DAG size of output: 97 [2020-07-17 14:46:38,369 WARN L193 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 84 [2020-07-17 14:46:39,258 WARN L193 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 78 [2020-07-17 14:46:40,100 WARN L193 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 86 [2020-07-17 14:46:42,030 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 207 DAG size of output: 123 [2020-07-17 14:46:43,408 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 198 DAG size of output: 95 [2020-07-17 14:46:44,292 WARN L193 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 87 [2020-07-17 14:46:45,532 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 152 DAG size of output: 98 [2020-07-17 14:46:50,286 WARN L193 SmtUtils]: Spent 4.75 s on a formula simplification. DAG size of input: 293 DAG size of output: 140 [2020-07-17 14:46:50,945 WARN L193 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 79 [2020-07-17 14:46:56,084 WARN L193 SmtUtils]: Spent 5.13 s on a formula simplification. DAG size of input: 293 DAG size of output: 144 [2020-07-17 14:46:56,801 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 84 [2020-07-17 14:46:57,565 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 84 [2020-07-17 14:46:58,256 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 79 [2020-07-17 14:47:03,301 WARN L193 SmtUtils]: Spent 5.04 s on a formula simplification. DAG size of input: 293 DAG size of output: 144 [2020-07-17 14:47:05,268 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 209 DAG size of output: 115 [2020-07-17 14:47:07,728 WARN L193 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 240 DAG size of output: 114 [2020-07-17 14:47:08,591 WARN L193 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 96 [2020-07-17 14:47:12,531 WARN L193 SmtUtils]: Spent 3.93 s on a formula simplification. DAG size of input: 263 DAG size of output: 135 [2020-07-17 14:47:13,358 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 96 [2020-07-17 14:47:14,283 WARN L193 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 81 [2020-07-17 14:47:15,479 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 187 DAG size of output: 110 [2020-07-17 14:47:16,317 WARN L193 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 84 [2020-07-17 14:47:17,492 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 172 DAG size of output: 85 [2020-07-17 14:47:22,433 WARN L193 SmtUtils]: Spent 4.94 s on a formula simplification. DAG size of input: 293 DAG size of output: 134 [2020-07-17 14:47:23,524 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 222 DAG size of output: 93 [2020-07-17 14:47:24,799 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 227 DAG size of output: 85 [2020-07-17 14:47:25,567 WARN L193 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 84 [2020-07-17 14:47:26,580 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 156 DAG size of output: 93 [2020-07-17 14:47:27,746 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 187 DAG size of output: 110 [2020-07-17 14:47:29,513 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 200 DAG size of output: 106 [2020-07-17 14:47:30,171 WARN L193 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 75 [2020-07-17 14:47:36,163 WARN L193 SmtUtils]: Spent 5.99 s on a formula simplification. DAG size of input: 289 DAG size of output: 151 [2020-07-17 14:47:40,496 WARN L193 SmtUtils]: Spent 4.33 s on a formula simplification. DAG size of input: 273 DAG size of output: 128 [2020-07-17 14:47:45,810 WARN L193 SmtUtils]: Spent 5.31 s on a formula simplification. DAG size of input: 288 DAG size of output: 140 [2020-07-17 14:47:46,384 WARN L193 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 75 [2020-07-17 14:47:46,983 WARN L193 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 76 [2020-07-17 14:47:47,611 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 76 [2020-07-17 14:47:52,606 WARN L193 SmtUtils]: Spent 4.99 s on a formula simplification. DAG size of input: 288 DAG size of output: 133 [2020-07-17 14:47:56,578 WARN L193 SmtUtils]: Spent 3.97 s on a formula simplification. DAG size of input: 288 DAG size of output: 134 [2020-07-17 14:48:01,799 WARN L193 SmtUtils]: Spent 5.21 s on a formula simplification. DAG size of input: 288 DAG size of output: 134 [2020-07-17 14:48:02,693 WARN L193 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 80 [2020-07-17 14:48:03,484 WARN L193 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 79 [2020-07-17 14:48:05,096 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 186 DAG size of output: 100 [2020-07-17 14:48:09,124 WARN L193 SmtUtils]: Spent 4.02 s on a formula simplification. DAG size of input: 288 DAG size of output: 134 [2020-07-17 14:48:10,525 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 171 DAG size of output: 92 [2020-07-17 14:48:11,438 WARN L193 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 85 [2020-07-17 14:48:17,191 WARN L193 SmtUtils]: Spent 5.75 s on a formula simplification. DAG size of input: 293 DAG size of output: 141 [2020-07-17 14:48:22,800 WARN L193 SmtUtils]: Spent 5.60 s on a formula simplification. DAG size of input: 293 DAG size of output: 141 [2020-07-17 14:48:27,903 WARN L193 SmtUtils]: Spent 5.10 s on a formula simplification. DAG size of input: 293 DAG size of output: 141 [2020-07-17 14:48:28,919 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 186 DAG size of output: 77 [2020-07-17 14:48:30,580 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 238 DAG size of output: 124 [2020-07-17 14:48:31,284 WARN L193 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 85 [2020-07-17 14:48:32,983 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 220 DAG size of output: 111 [2020-07-17 14:48:37,871 WARN L193 SmtUtils]: Spent 4.88 s on a formula simplification. DAG size of input: 293 DAG size of output: 144 [2020-07-17 14:48:39,891 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 209 DAG size of output: 121 [2020-07-17 14:48:40,728 WARN L193 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 94 [2020-07-17 14:48:40,860 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 29 [2020-07-17 14:48:41,727 WARN L193 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 96 [2020-07-17 14:48:42,271 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 76 [2020-07-17 14:48:45,841 WARN L193 SmtUtils]: Spent 3.57 s on a formula simplification. DAG size of input: 265 DAG size of output: 136 [2020-07-17 14:48:46,685 WARN L193 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 96 [2020-07-17 14:48:51,484 WARN L193 SmtUtils]: Spent 4.79 s on a formula simplification. DAG size of input: 289 DAG size of output: 141 [2020-07-17 14:48:55,469 WARN L193 SmtUtils]: Spent 3.98 s on a formula simplification. DAG size of input: 280 DAG size of output: 130 [2020-07-17 14:48:58,554 WARN L193 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 288 DAG size of output: 128 [2020-07-17 14:48:59,098 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 76 [2020-07-17 14:48:59,649 WARN L193 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 76 [2020-07-17 14:49:00,542 WARN L193 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 84 [2020-07-17 14:49:01,505 WARN L193 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 102 [2020-07-17 14:49:04,847 WARN L193 SmtUtils]: Spent 3.34 s on a formula simplification. DAG size of input: 293 DAG size of output: 128 [2020-07-17 14:49:08,537 WARN L193 SmtUtils]: Spent 3.68 s on a formula simplification. DAG size of input: 293 DAG size of output: 141 [2020-07-17 14:49:13,667 WARN L193 SmtUtils]: Spent 5.12 s on a formula simplification. DAG size of input: 293 DAG size of output: 146 [2020-07-17 14:49:14,661 WARN L193 SmtUtils]: Spent 988.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 110 [2020-07-17 14:49:19,360 WARN L193 SmtUtils]: Spent 4.67 s on a formula simplification. DAG size of input: 293 DAG size of output: 134 [2020-07-17 14:49:20,016 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 85 [2020-07-17 14:49:20,700 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 89 [2020-07-17 14:49:25,546 WARN L193 SmtUtils]: Spent 4.84 s on a formula simplification. DAG size of input: 293 DAG size of output: 141 [2020-07-17 14:49:26,251 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 89 [2020-07-17 14:49:27,972 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 246 DAG size of output: 95 [2020-07-17 14:49:32,630 WARN L193 SmtUtils]: Spent 4.65 s on a formula simplification. DAG size of input: 293 DAG size of output: 133 [2020-07-17 14:49:37,744 WARN L193 SmtUtils]: Spent 5.11 s on a formula simplification. DAG size of input: 293 DAG size of output: 140 [2020-07-17 14:49:38,974 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 189 DAG size of output: 85 [2020-07-17 14:49:40,026 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 192 DAG size of output: 87 [2020-07-17 14:49:41,632 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 168 DAG size of output: 105 [2020-07-17 14:49:46,968 WARN L193 SmtUtils]: Spent 5.33 s on a formula simplification. DAG size of input: 293 DAG size of output: 146 [2020-07-17 14:49:52,261 WARN L193 SmtUtils]: Spent 5.29 s on a formula simplification. DAG size of input: 293 DAG size of output: 141 [2020-07-17 14:49:53,138 WARN L193 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 90 [2020-07-17 14:49:54,932 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 246 DAG size of output: 95 [2020-07-17 14:49:59,837 WARN L193 SmtUtils]: Spent 4.90 s on a formula simplification. DAG size of input: 293 DAG size of output: 135 [2020-07-17 14:50:00,770 WARN L193 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 86 [2020-07-17 14:50:01,686 WARN L193 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 80 [2020-07-17 14:50:02,448 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 90 [2020-07-17 14:50:06,071 WARN L193 SmtUtils]: Spent 3.62 s on a formula simplification. DAG size of input: 293 DAG size of output: 128 [2020-07-17 14:50:07,247 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 159 DAG size of output: 97 [2020-07-17 14:50:08,851 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 168 DAG size of output: 105 [2020-07-17 14:50:10,071 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 194 DAG size of output: 94 [2020-07-17 14:50:11,006 WARN L193 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 106 [2020-07-17 14:50:13,814 WARN L193 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 255 DAG size of output: 119 [2020-07-17 14:50:14,765 WARN L193 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 81 [2020-07-17 14:50:15,694 WARN L193 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 89 [2020-07-17 14:50:16,355 WARN L193 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 65 [2020-07-17 14:50:16,918 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 60