/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label38.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 17:56:56,719 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 17:56:56,722 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 17:56:56,734 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 17:56:56,734 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 17:56:56,735 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 17:56:56,737 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 17:56:56,738 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 17:56:56,740 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 17:56:56,741 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 17:56:56,742 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 17:56:56,743 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 17:56:56,743 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 17:56:56,744 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 17:56:56,745 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 17:56:56,746 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 17:56:56,747 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 17:56:56,748 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 17:56:56,750 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 17:56:56,752 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 17:56:56,753 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 17:56:56,754 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 17:56:56,756 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 17:56:56,757 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 17:56:56,759 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 17:56:56,767 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 17:56:56,768 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 17:56:56,769 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 17:56:56,769 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 17:56:56,779 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 17:56:56,779 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 17:56:56,780 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 17:56:56,783 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 17:56:56,783 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 17:56:56,784 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 17:56:56,784 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 17:56:56,784 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 17:56:56,784 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 17:56:56,784 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 17:56:56,784 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 17:56:56,784 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 17:56:56,785 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 17:56:56,785 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 17:56:56,785 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 17:56:56,785 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 17:56:56,785 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 17:56:56,786 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 17:56:56,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 17:56:56,786 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 17:56:56,786 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 17:56:56,786 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 17:56:56,786 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-17 17:56:57,078 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 17:56:57,090 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 17:56:57,096 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 17:56:57,098 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 17:56:57,098 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 17:56:57,099 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label38.c [2020-07-17 17:56:57,163 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3171b59e1/fe9143280b0b41a09caed273658821ed/FLAGef6eb775d [2020-07-17 17:56:57,702 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 17:56:57,703 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label38.c [2020-07-17 17:56:57,719 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3171b59e1/fe9143280b0b41a09caed273658821ed/FLAGef6eb775d [2020-07-17 17:56:57,962 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3171b59e1/fe9143280b0b41a09caed273658821ed [2020-07-17 17:56:57,971 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 17:56:57,974 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 17:56:57,976 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 17:56:57,976 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 17:56:57,980 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 17:56:57,981 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 05:56:57" (1/1) ... [2020-07-17 17:56:57,984 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28a4f09d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:56:57, skipping insertion in model container [2020-07-17 17:56:57,984 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 05:56:57" (1/1) ... [2020-07-17 17:56:57,992 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 17:56:58,052 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 17:56:58,593 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 17:56:58,599 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 17:56:58,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 17:56:58,786 INFO L208 MainTranslator]: Completed translation [2020-07-17 17:56:58,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:56:58 WrapperNode [2020-07-17 17:56:58,787 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 17:56:58,788 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 17:56:58,789 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 17:56:58,789 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 17:56:58,811 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:56:58" (1/1) ... [2020-07-17 17:56:58,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:56:58" (1/1) ... [2020-07-17 17:56:58,856 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:56:58" (1/1) ... [2020-07-17 17:56:58,856 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:56:58" (1/1) ... [2020-07-17 17:56:58,934 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:56:58" (1/1) ... [2020-07-17 17:56:58,966 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:56:58" (1/1) ... [2020-07-17 17:56:58,983 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:56:58" (1/1) ... [2020-07-17 17:56:58,993 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 17:56:58,994 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 17:56:58,994 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 17:56:58,995 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 17:56:58,996 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:56:58" (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 17:56:59,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 17:56:59,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 17:56:59,082 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-17 17:56:59,083 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 17:56:59,083 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-17 17:56:59,083 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 17:56:59,083 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 17:56:59,084 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-17 17:56:59,084 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 17:56:59,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 17:56:59,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 17:57:01,040 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 17:57:01,040 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-17 17:57:01,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 05:57:01 BoogieIcfgContainer [2020-07-17 17:57:01,050 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 17:57:01,051 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 17:57:01,051 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 17:57:01,055 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 17:57:01,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 05:56:57" (1/3) ... [2020-07-17 17:57:01,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e128ea7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 05:57:01, skipping insertion in model container [2020-07-17 17:57:01,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:56:58" (2/3) ... [2020-07-17 17:57:01,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e128ea7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 05:57:01, skipping insertion in model container [2020-07-17 17:57:01,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 05:57:01" (3/3) ... [2020-07-17 17:57:01,058 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label38.c [2020-07-17 17:57:01,069 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 17:57:01,079 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 17:57:01,094 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 17:57:01,117 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 17:57:01,117 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 17:57:01,118 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-17 17:57:01,118 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 17:57:01,118 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 17:57:01,118 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 17:57:01,119 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 17:57:01,119 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 17:57:01,149 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states. [2020-07-17 17:57:01,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-07-17 17:57:01,166 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:57:01,168 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] [2020-07-17 17:57:01,168 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:57:01,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:57:01,176 INFO L82 PathProgramCache]: Analyzing trace with hash -496136462, now seen corresponding path program 1 times [2020-07-17 17:57:01,184 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:57:01,185 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [125928724] [2020-07-17 17:57:01,185 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:57:01,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:57:01,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:57:01,607 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 17:57:01,607 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [125928724] [2020-07-17 17:57:01,612 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 17:57:01,613 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 17:57:01,614 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590105031] [2020-07-17 17:57:01,620 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 17:57:01,621 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:57:01,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 17:57:01,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 17:57:01,638 INFO L87 Difference]: Start difference. First operand 678 states. Second operand 5 states. [2020-07-17 17:57:05,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:57:05,696 INFO L93 Difference]: Finished difference Result 1877 states and 2600 transitions. [2020-07-17 17:57:05,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-17 17:57:05,698 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2020-07-17 17:57:05,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:57:05,724 INFO L225 Difference]: With dead ends: 1877 [2020-07-17 17:57:05,724 INFO L226 Difference]: Without dead ends: 1120 [2020-07-17 17:57:05,740 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-17 17:57:05,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2020-07-17 17:57:05,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 822. [2020-07-17 17:57:05,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 822 states. [2020-07-17 17:57:05,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 822 states and 974 transitions. [2020-07-17 17:57:05,919 INFO L78 Accepts]: Start accepts. Automaton has 822 states and 974 transitions. Word has length 69 [2020-07-17 17:57:05,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:57:05,920 INFO L479 AbstractCegarLoop]: Abstraction has 822 states and 974 transitions. [2020-07-17 17:57:05,920 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 17:57:05,921 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states and 974 transitions. [2020-07-17 17:57:05,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-07-17 17:57:05,929 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:57:05,929 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:57:05,930 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 17:57:05,930 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:57:05,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:57:05,931 INFO L82 PathProgramCache]: Analyzing trace with hash -2042415941, now seen corresponding path program 1 times [2020-07-17 17:57:05,931 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:57:05,931 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1421642463] [2020-07-17 17:57:05,931 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:57:05,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:57:06,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:57:06,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:57:06,321 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 17:57:06,322 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1421642463] [2020-07-17 17:57:06,322 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 17:57:06,322 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 17:57:06,323 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082803610] [2020-07-17 17:57:06,325 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 17:57:06,325 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:57:06,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 17:57:06,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-07-17 17:57:06,326 INFO L87 Difference]: Start difference. First operand 822 states and 974 transitions. Second operand 9 states. [2020-07-17 17:57:10,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:57:10,380 INFO L93 Difference]: Finished difference Result 2145 states and 2547 transitions. [2020-07-17 17:57:10,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-17 17:57:10,381 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 163 [2020-07-17 17:57:10,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:57:10,398 INFO L225 Difference]: With dead ends: 2145 [2020-07-17 17:57:10,399 INFO L226 Difference]: Without dead ends: 1338 [2020-07-17 17:57:10,405 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2020-07-17 17:57:10,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1338 states. [2020-07-17 17:57:10,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1338 to 1299. [2020-07-17 17:57:10,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1299 states. [2020-07-17 17:57:10,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1299 states to 1299 states and 1527 transitions. [2020-07-17 17:57:10,554 INFO L78 Accepts]: Start accepts. Automaton has 1299 states and 1527 transitions. Word has length 163 [2020-07-17 17:57:10,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:57:10,555 INFO L479 AbstractCegarLoop]: Abstraction has 1299 states and 1527 transitions. [2020-07-17 17:57:10,555 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 17:57:10,555 INFO L276 IsEmpty]: Start isEmpty. Operand 1299 states and 1527 transitions. [2020-07-17 17:57:10,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-07-17 17:57:10,559 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:57:10,559 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:57:10,560 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 17:57:10,560 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:57:10,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:57:10,561 INFO L82 PathProgramCache]: Analyzing trace with hash 550166489, now seen corresponding path program 1 times [2020-07-17 17:57:10,561 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:57:10,561 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1391492211] [2020-07-17 17:57:10,561 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:57:10,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:57:10,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:57:10,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:57:10,918 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 52 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 17:57:10,919 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1391492211] [2020-07-17 17:57:10,919 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:57:10,920 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-07-17 17:57:10,920 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855131881] [2020-07-17 17:57:10,921 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 17:57:10,921 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:57:10,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 17:57:10,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 17:57:10,922 INFO L87 Difference]: Start difference. First operand 1299 states and 1527 transitions. Second operand 5 states. [2020-07-17 17:57:13,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:57:13,964 INFO L93 Difference]: Finished difference Result 3097 states and 3718 transitions. [2020-07-17 17:57:13,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-17 17:57:13,969 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 187 [2020-07-17 17:57:13,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:57:13,986 INFO L225 Difference]: With dead ends: 3097 [2020-07-17 17:57:13,987 INFO L226 Difference]: Without dead ends: 1813 [2020-07-17 17:57:13,996 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-07-17 17:57:13,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1813 states. [2020-07-17 17:57:14,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1813 to 1683. [2020-07-17 17:57:14,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1683 states. [2020-07-17 17:57:14,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1683 states to 1683 states and 1989 transitions. [2020-07-17 17:57:14,212 INFO L78 Accepts]: Start accepts. Automaton has 1683 states and 1989 transitions. Word has length 187 [2020-07-17 17:57:14,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:57:14,221 INFO L479 AbstractCegarLoop]: Abstraction has 1683 states and 1989 transitions. [2020-07-17 17:57:14,221 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 17:57:14,221 INFO L276 IsEmpty]: Start isEmpty. Operand 1683 states and 1989 transitions. [2020-07-17 17:57:14,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-07-17 17:57:14,230 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:57:14,230 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:57:14,230 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 17:57:14,231 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:57:14,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:57:14,231 INFO L82 PathProgramCache]: Analyzing trace with hash 1856913428, now seen corresponding path program 1 times [2020-07-17 17:57:14,232 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:57:14,232 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [696206939] [2020-07-17 17:57:14,232 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:57:14,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:57:14,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:57:14,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:57:14,566 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 17:57:14,566 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [696206939] [2020-07-17 17:57:14,567 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 17:57:14,567 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-17 17:57:14,568 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479673010] [2020-07-17 17:57:14,569 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 17:57:14,570 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:57:14,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 17:57:14,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-17 17:57:14,571 INFO L87 Difference]: Start difference. First operand 1683 states and 1989 transitions. Second operand 8 states. [2020-07-17 17:57:18,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:57:18,302 INFO L93 Difference]: Finished difference Result 3798 states and 4705 transitions. [2020-07-17 17:57:18,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-17 17:57:18,303 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 218 [2020-07-17 17:57:18,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:57:18,330 INFO L225 Difference]: With dead ends: 3798 [2020-07-17 17:57:18,330 INFO L226 Difference]: Without dead ends: 2319 [2020-07-17 17:57:18,338 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-07-17 17:57:18,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2319 states. [2020-07-17 17:57:18,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2319 to 2231. [2020-07-17 17:57:18,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2231 states. [2020-07-17 17:57:18,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 2647 transitions. [2020-07-17 17:57:18,572 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 2647 transitions. Word has length 218 [2020-07-17 17:57:18,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:57:18,574 INFO L479 AbstractCegarLoop]: Abstraction has 2231 states and 2647 transitions. [2020-07-17 17:57:18,574 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 17:57:18,574 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2647 transitions. [2020-07-17 17:57:18,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2020-07-17 17:57:18,579 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:57:18,579 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:57:18,580 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 17:57:18,580 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:57:18,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:57:18,580 INFO L82 PathProgramCache]: Analyzing trace with hash 37612539, now seen corresponding path program 1 times [2020-07-17 17:57:18,581 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:57:18,581 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [686654707] [2020-07-17 17:57:18,581 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:57:18,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:57:18,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:57:18,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:57:18,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:57:19,491 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 142 proven. 53 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-17 17:57:19,492 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [686654707] [2020-07-17 17:57:19,492 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:57:19,492 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-07-17 17:57:19,493 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864441039] [2020-07-17 17:57:19,493 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-17 17:57:19,493 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:57:19,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-17 17:57:19,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-07-17 17:57:19,494 INFO L87 Difference]: Start difference. First operand 2231 states and 2647 transitions. Second operand 13 states. [2020-07-17 17:57:24,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:57:24,884 INFO L93 Difference]: Finished difference Result 4558 states and 5439 transitions. [2020-07-17 17:57:24,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-07-17 17:57:24,884 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 305 [2020-07-17 17:57:24,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:57:24,908 INFO L225 Difference]: With dead ends: 4558 [2020-07-17 17:57:24,909 INFO L226 Difference]: Without dead ends: 2452 [2020-07-17 17:57:24,918 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=197, Invalid=615, Unknown=0, NotChecked=0, Total=812 [2020-07-17 17:57:24,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2452 states. [2020-07-17 17:57:25,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2452 to 2207. [2020-07-17 17:57:25,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2207 states. [2020-07-17 17:57:25,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2207 states to 2207 states and 2601 transitions. [2020-07-17 17:57:25,293 INFO L78 Accepts]: Start accepts. Automaton has 2207 states and 2601 transitions. Word has length 305 [2020-07-17 17:57:25,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:57:25,294 INFO L479 AbstractCegarLoop]: Abstraction has 2207 states and 2601 transitions. [2020-07-17 17:57:25,294 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-17 17:57:25,294 INFO L276 IsEmpty]: Start isEmpty. Operand 2207 states and 2601 transitions. [2020-07-17 17:57:25,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2020-07-17 17:57:25,302 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:57:25,302 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-17 17:57:25,302 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 17:57:25,303 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:57:25,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:57:25,303 INFO L82 PathProgramCache]: Analyzing trace with hash 1706081035, now seen corresponding path program 1 times [2020-07-17 17:57:25,303 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:57:25,304 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1072309093] [2020-07-17 17:57:25,305 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:57:25,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:57:25,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:57:25,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:57:25,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:57:25,653 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 102 proven. 16 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-07-17 17:57:25,654 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1072309093] [2020-07-17 17:57:25,655 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:57:25,655 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-07-17 17:57:25,656 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101391203] [2020-07-17 17:57:25,656 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-17 17:57:25,657 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:57:25,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-17 17:57:25,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-17 17:57:25,658 INFO L87 Difference]: Start difference. First operand 2207 states and 2601 transitions. Second operand 7 states. [2020-07-17 17:57:29,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:57:29,963 INFO L93 Difference]: Finished difference Result 3188 states and 3831 transitions. [2020-07-17 17:57:29,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-17 17:57:29,969 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 330 [2020-07-17 17:57:29,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:57:29,988 INFO L225 Difference]: With dead ends: 3188 [2020-07-17 17:57:29,989 INFO L226 Difference]: Without dead ends: 3186 [2020-07-17 17:57:29,991 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2020-07-17 17:57:29,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3186 states. [2020-07-17 17:57:30,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3186 to 2400. [2020-07-17 17:57:30,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2400 states. [2020-07-17 17:57:30,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2400 states to 2400 states and 2875 transitions. [2020-07-17 17:57:30,344 INFO L78 Accepts]: Start accepts. Automaton has 2400 states and 2875 transitions. Word has length 330 [2020-07-17 17:57:30,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:57:30,344 INFO L479 AbstractCegarLoop]: Abstraction has 2400 states and 2875 transitions. [2020-07-17 17:57:30,345 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-17 17:57:30,345 INFO L276 IsEmpty]: Start isEmpty. Operand 2400 states and 2875 transitions. [2020-07-17 17:57:30,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2020-07-17 17:57:30,360 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:57:30,362 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2020-07-17 17:57:30,362 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-17 17:57:30,362 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:57:30,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:57:30,363 INFO L82 PathProgramCache]: Analyzing trace with hash -1674729708, now seen corresponding path program 1 times [2020-07-17 17:57:30,363 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:57:30,363 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [819514554] [2020-07-17 17:57:30,364 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:57:30,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:57:30,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:57:30,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:57:30,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:57:30,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:57:31,637 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 259 proven. 181 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-17 17:57:31,637 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [819514554] [2020-07-17 17:57:31,638 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:57:31,638 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-07-17 17:57:31,638 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811224618] [2020-07-17 17:57:31,639 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-17 17:57:31,640 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:57:31,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-17 17:57:31,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-07-17 17:57:31,642 INFO L87 Difference]: Start difference. First operand 2400 states and 2875 transitions. Second operand 12 states. [2020-07-17 17:57:36,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:57:36,425 INFO L93 Difference]: Finished difference Result 4824 states and 5819 transitions. [2020-07-17 17:57:36,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-07-17 17:57:36,426 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 424 [2020-07-17 17:57:36,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:57:36,444 INFO L225 Difference]: With dead ends: 4824 [2020-07-17 17:57:36,444 INFO L226 Difference]: Without dead ends: 2628 [2020-07-17 17:57:36,453 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=243, Invalid=687, Unknown=0, NotChecked=0, Total=930 [2020-07-17 17:57:36,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2628 states. [2020-07-17 17:57:36,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2628 to 2591. [2020-07-17 17:57:36,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2591 states. [2020-07-17 17:57:36,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2591 states to 2591 states and 3072 transitions. [2020-07-17 17:57:36,937 INFO L78 Accepts]: Start accepts. Automaton has 2591 states and 3072 transitions. Word has length 424 [2020-07-17 17:57:36,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:57:36,938 INFO L479 AbstractCegarLoop]: Abstraction has 2591 states and 3072 transitions. [2020-07-17 17:57:36,938 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-17 17:57:36,938 INFO L276 IsEmpty]: Start isEmpty. Operand 2591 states and 3072 transitions. [2020-07-17 17:57:36,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482 [2020-07-17 17:57:36,951 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:57:36,952 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:57:36,953 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-17 17:57:36,953 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:57:36,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:57:36,954 INFO L82 PathProgramCache]: Analyzing trace with hash -1182676100, now seen corresponding path program 1 times [2020-07-17 17:57:36,954 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:57:36,956 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [895357998] [2020-07-17 17:57:36,957 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:57:37,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:57:37,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:57:37,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:57:37,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:57:37,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:57:37,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:57:37,860 INFO L134 CoverageAnalysis]: Checked inductivity of 739 backedges. 483 proven. 6 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2020-07-17 17:57:37,860 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [895357998] [2020-07-17 17:57:37,860 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:57:37,861 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-07-17 17:57:37,861 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387385916] [2020-07-17 17:57:37,862 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-17 17:57:37,862 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:57:37,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-17 17:57:37,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-07-17 17:57:37,863 INFO L87 Difference]: Start difference. First operand 2591 states and 3072 transitions. Second operand 12 states. [2020-07-17 17:57:45,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:57:45,057 INFO L93 Difference]: Finished difference Result 5672 states and 6797 transitions. [2020-07-17 17:57:45,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-07-17 17:57:45,058 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 481 [2020-07-17 17:57:45,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:57:45,078 INFO L225 Difference]: With dead ends: 5672 [2020-07-17 17:57:45,078 INFO L226 Difference]: Without dead ends: 2152 [2020-07-17 17:57:45,090 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 269 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=319, Invalid=871, Unknown=0, NotChecked=0, Total=1190 [2020-07-17 17:57:45,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2152 states. [2020-07-17 17:57:45,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2152 to 2081. [2020-07-17 17:57:45,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2081 states. [2020-07-17 17:57:45,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2081 states to 2081 states and 2255 transitions. [2020-07-17 17:57:45,401 INFO L78 Accepts]: Start accepts. Automaton has 2081 states and 2255 transitions. Word has length 481 [2020-07-17 17:57:45,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:57:45,402 INFO L479 AbstractCegarLoop]: Abstraction has 2081 states and 2255 transitions. [2020-07-17 17:57:45,402 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-17 17:57:45,402 INFO L276 IsEmpty]: Start isEmpty. Operand 2081 states and 2255 transitions. [2020-07-17 17:57:45,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 518 [2020-07-17 17:57:45,408 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:57:45,408 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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, 1, 1, 1, 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 17:57:45,408 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-17 17:57:45,409 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:57:45,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:57:45,409 INFO L82 PathProgramCache]: Analyzing trace with hash -542242580, now seen corresponding path program 1 times [2020-07-17 17:57:45,409 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:57:45,410 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [287693541] [2020-07-17 17:57:45,410 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:57:45,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:57:45,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:57:45,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:57:45,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:57:45,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:57:45,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:57:45,889 INFO L134 CoverageAnalysis]: Checked inductivity of 827 backedges. 466 proven. 82 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2020-07-17 17:57:45,890 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [287693541] [2020-07-17 17:57:45,890 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:57:45,890 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-07-17 17:57:45,893 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187208817] [2020-07-17 17:57:45,893 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-17 17:57:45,894 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:57:45,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-17 17:57:45,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-17 17:57:45,894 INFO L87 Difference]: Start difference. First operand 2081 states and 2255 transitions. Second operand 7 states. [2020-07-17 17:57:48,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:57:48,872 INFO L93 Difference]: Finished difference Result 4955 states and 5446 transitions. [2020-07-17 17:57:48,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-17 17:57:48,873 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 517 [2020-07-17 17:57:48,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:57:48,894 INFO L225 Difference]: With dead ends: 4955 [2020-07-17 17:57:48,894 INFO L226 Difference]: Without dead ends: 3078 [2020-07-17 17:57:48,900 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-17 17:57:48,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3078 states. [2020-07-17 17:57:49,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3078 to 2874. [2020-07-17 17:57:49,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2874 states. [2020-07-17 17:57:49,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2874 states to 2874 states and 3167 transitions. [2020-07-17 17:57:49,211 INFO L78 Accepts]: Start accepts. Automaton has 2874 states and 3167 transitions. Word has length 517 [2020-07-17 17:57:49,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:57:49,211 INFO L479 AbstractCegarLoop]: Abstraction has 2874 states and 3167 transitions. [2020-07-17 17:57:49,211 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-17 17:57:49,211 INFO L276 IsEmpty]: Start isEmpty. Operand 2874 states and 3167 transitions. [2020-07-17 17:57:49,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 525 [2020-07-17 17:57:49,216 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:57:49,217 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:57:49,217 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-17 17:57:49,217 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:57:49,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:57:49,218 INFO L82 PathProgramCache]: Analyzing trace with hash 1274666984, now seen corresponding path program 1 times [2020-07-17 17:57:49,218 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:57:49,218 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1999542533] [2020-07-17 17:57:49,219 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:57:49,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:57:49,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:57:49,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:57:49,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:57:49,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:57:49,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:57:50,192 INFO L134 CoverageAnalysis]: Checked inductivity of 825 backedges. 365 proven. 168 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2020-07-17 17:57:50,192 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1999542533] [2020-07-17 17:57:50,192 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:57:50,192 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-07-17 17:57:50,193 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434252235] [2020-07-17 17:57:50,193 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-17 17:57:50,194 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:57:50,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-17 17:57:50,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-07-17 17:57:50,194 INFO L87 Difference]: Start difference. First operand 2874 states and 3167 transitions. Second operand 10 states. [2020-07-17 17:57:54,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:57:54,542 INFO L93 Difference]: Finished difference Result 5652 states and 6260 transitions. [2020-07-17 17:57:54,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-07-17 17:57:54,544 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 524 [2020-07-17 17:57:54,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:57:54,566 INFO L225 Difference]: With dead ends: 5652 [2020-07-17 17:57:54,567 INFO L226 Difference]: Without dead ends: 2982 [2020-07-17 17:57:54,574 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=233, Invalid=759, Unknown=0, NotChecked=0, Total=992 [2020-07-17 17:57:54,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2982 states. [2020-07-17 17:57:54,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2982 to 2882. [2020-07-17 17:57:54,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2882 states. [2020-07-17 17:57:54,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2882 states to 2882 states and 3124 transitions. [2020-07-17 17:57:54,917 INFO L78 Accepts]: Start accepts. Automaton has 2882 states and 3124 transitions. Word has length 524 [2020-07-17 17:57:54,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:57:54,918 INFO L479 AbstractCegarLoop]: Abstraction has 2882 states and 3124 transitions. [2020-07-17 17:57:54,918 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-17 17:57:54,919 INFO L276 IsEmpty]: Start isEmpty. Operand 2882 states and 3124 transitions. [2020-07-17 17:57:54,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 704 [2020-07-17 17:57:54,927 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:57:54,927 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:57:54,928 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-17 17:57:54,928 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:57:54,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:57:54,928 INFO L82 PathProgramCache]: Analyzing trace with hash 75144994, now seen corresponding path program 1 times [2020-07-17 17:57:54,929 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:57:54,929 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1560020072] [2020-07-17 17:57:54,929 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:57:55,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:57:55,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:57:55,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:57:55,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:57:55,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:57:55,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:57:55,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:57:55,738 INFO L134 CoverageAnalysis]: Checked inductivity of 1285 backedges. 654 proven. 73 refuted. 0 times theorem prover too weak. 558 trivial. 0 not checked. [2020-07-17 17:57:55,739 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1560020072] [2020-07-17 17:57:55,739 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:57:55,739 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-07-17 17:57:55,739 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059664149] [2020-07-17 17:57:55,740 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-17 17:57:55,741 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:57:55,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-17 17:57:55,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-17 17:57:55,741 INFO L87 Difference]: Start difference. First operand 2882 states and 3124 transitions. Second operand 7 states. [2020-07-17 17:57:57,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:57:57,964 INFO L93 Difference]: Finished difference Result 6729 states and 7433 transitions. [2020-07-17 17:57:57,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-17 17:57:57,972 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 703 [2020-07-17 17:57:57,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:57:57,991 INFO L225 Difference]: With dead ends: 6729 [2020-07-17 17:57:57,991 INFO L226 Difference]: Without dead ends: 4051 [2020-07-17 17:57:57,998 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-17 17:57:58,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4051 states. [2020-07-17 17:57:58,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4051 to 3652. [2020-07-17 17:57:58,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3652 states. [2020-07-17 17:57:58,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3652 states to 3652 states and 3985 transitions. [2020-07-17 17:57:58,592 INFO L78 Accepts]: Start accepts. Automaton has 3652 states and 3985 transitions. Word has length 703 [2020-07-17 17:57:58,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:57:58,592 INFO L479 AbstractCegarLoop]: Abstraction has 3652 states and 3985 transitions. [2020-07-17 17:57:58,593 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-17 17:57:58,593 INFO L276 IsEmpty]: Start isEmpty. Operand 3652 states and 3985 transitions. [2020-07-17 17:57:58,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 847 [2020-07-17 17:57:58,603 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:57:58,603 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:57:58,604 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-17 17:57:58,604 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:57:58,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:57:58,604 INFO L82 PathProgramCache]: Analyzing trace with hash -705689218, now seen corresponding path program 1 times [2020-07-17 17:57:58,605 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:57:58,605 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [141597801] [2020-07-17 17:57:58,605 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:57:58,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:57:58,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:57:58,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:57:58,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:57:58,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:57:58,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:57:59,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:57:59,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:57:59,474 INFO L134 CoverageAnalysis]: Checked inductivity of 1911 backedges. 332 proven. 66 refuted. 0 times theorem prover too weak. 1513 trivial. 0 not checked. [2020-07-17 17:57:59,474 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [141597801] [2020-07-17 17:57:59,474 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:57:59,474 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-07-17 17:57:59,475 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671020428] [2020-07-17 17:57:59,475 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 17:57:59,475 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:57:59,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 17:57:59,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-17 17:57:59,476 INFO L87 Difference]: Start difference. First operand 3652 states and 3985 transitions. Second operand 8 states. [2020-07-17 17:58:04,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:58:04,640 INFO L93 Difference]: Finished difference Result 10623 states and 11728 transitions. [2020-07-17 17:58:04,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-17 17:58:04,641 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 846 [2020-07-17 17:58:04,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:58:04,650 INFO L225 Difference]: With dead ends: 10623 [2020-07-17 17:58:04,650 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 17:58:04,664 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2020-07-17 17:58:04,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 17:58:04,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 17:58:04,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 17:58:04,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 17:58:04,665 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 846 [2020-07-17 17:58:04,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:58:04,665 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 17:58:04,665 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 17:58:04,666 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 17:58:04,666 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 17:58:04,666 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-07-17 17:58:04,668 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 17:58:05,588 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 178 [2020-07-17 17:58:05,996 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 178 [2020-07-17 17:58:06,700 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 178 [2020-07-17 17:58:10,529 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2020-07-17 17:58:47,289 WARN L193 SmtUtils]: Spent 601.00 ms on a formula simplification that was a NOOP. DAG size: 1 [2020-07-17 17:58:56,364 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 207 [2020-07-17 17:58:56,963 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 223 [2020-07-17 17:58:57,684 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 207 [2020-07-17 17:58:59,015 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 207 [2020-07-17 17:58:59,613 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 223 [2020-07-17 17:59:00,342 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 207 [2020-07-17 17:59:11,734 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 178 [2020-07-17 17:59:21,219 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 45 [2020-07-17 17:59:23,067 WARN L193 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 17:59:23,599 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 56 [2020-07-17 17:59:24,481 WARN L193 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 60 [2020-07-17 17:59:25,222 WARN L193 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 42 [2020-07-17 17:59:25,753 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 44 [2020-07-17 17:59:26,524 WARN L193 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 68 [2020-07-17 17:59:27,266 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 67 [2020-07-17 17:59:28,025 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 42 [2020-07-17 17:59:29,816 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 17:59:30,303 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 52 [2020-07-17 17:59:32,073 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 17:59:32,815 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 42 [2020-07-17 17:59:33,483 WARN L193 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 48 [2020-07-17 17:59:34,031 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 46 [2020-07-17 17:59:34,581 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 57 [2020-07-17 17:59:35,278 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 47 [2020-07-17 17:59:35,753 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 44 [2020-07-17 17:59:36,338 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 57 [2020-07-17 17:59:36,901 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 50 [2020-07-17 17:59:37,466 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 56 [2020-07-17 17:59:37,993 WARN L193 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 47 [2020-07-17 17:59:39,775 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 17:59:40,388 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 54 [2020-07-17 17:59:41,198 WARN L193 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 61 [2020-07-17 17:59:41,715 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 55 [2020-07-17 17:59:42,348 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 52 [2020-07-17 17:59:42,832 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 48 [2020-07-17 17:59:43,333 WARN L193 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 45 [2020-07-17 17:59:44,145 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 59 [2020-07-17 17:59:44,783 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 50 [2020-07-17 17:59:45,520 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2020-07-17 17:59:46,233 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 61 [2020-07-17 17:59:46,981 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 56 [2020-07-17 17:59:48,756 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 17:59:49,434 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 56 [2020-07-17 17:59:50,179 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 67 [2020-07-17 17:59:52,002 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 17:59:52,527 WARN L193 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 56 [2020-07-17 17:59:53,006 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 44 [2020-07-17 17:59:53,645 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 50 [2020-07-17 17:59:54,318 WARN L193 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 58 [2020-07-17 17:59:56,113 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 17:59:56,858 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 55 [2020-07-17 17:59:57,632 WARN L193 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 57 [2020-07-17 17:59:58,311 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 48 [2020-07-17 18:00:00,148 WARN L193 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:00:00,687 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 56 [2020-07-17 18:00:02,574 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:00:03,425 WARN L193 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 60 [2020-07-17 18:00:04,234 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 61 [2020-07-17 18:00:04,844 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 57 [2020-07-17 18:00:05,764 WARN L193 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 62 [2020-07-17 18:00:06,379 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 57 [2020-07-17 18:00:08,217 WARN L193 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:00:09,025 WARN L193 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 61 [2020-07-17 18:00:09,819 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 68 [2020-07-17 18:00:10,494 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 54 [2020-07-17 18:00:11,243 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 75 [2020-07-17 18:00:11,942 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 60 [2020-07-17 18:00:12,582 WARN L193 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 52 [2020-07-17 18:00:14,411 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:00:16,263 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:00:18,129 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:00:19,952 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:00:20,758 WARN L193 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 68 [2020-07-17 18:00:21,251 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 44 [2020-07-17 18:00:21,883 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 57 [2020-07-17 18:00:22,502 WARN L193 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 55 [2020-07-17 18:00:23,046 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 56 [2020-07-17 18:00:24,927 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:00:25,707 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 60 [2020-07-17 18:00:26,305 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 50 [2020-07-17 18:00:28,200 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:00:28,968 WARN L193 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 60 [2020-07-17 18:00:29,625 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 52 [2020-07-17 18:00:30,295 WARN L193 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 52 [2020-07-17 18:00:31,641 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 265 DAG size of output: 58 [2020-07-17 18:00:32,418 WARN L193 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 42 [2020-07-17 18:00:32,940 WARN L193 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 42 [2020-07-17 18:00:33,615 WARN L193 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 53 [2020-07-17 18:00:34,298 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 53 [2020-07-17 18:00:35,819 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 261 DAG size of output: 54 [2020-07-17 18:00:36,528 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 53 [2020-07-17 18:00:37,749 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 245 DAG size of output: 47 [2020-07-17 18:00:38,422 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 53 [2020-07-17 18:00:39,136 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 53 [2020-07-17 18:00:40,367 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 247 DAG size of output: 41 [2020-07-17 18:00:41,618 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 247 DAG size of output: 41 [2020-07-17 18:00:42,300 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 53 [2020-07-17 18:00:43,675 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 256 DAG size of output: 48 [2020-07-17 18:00:44,915 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 247 DAG size of output: 41 [2020-07-17 18:00:46,286 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 265 DAG size of output: 58 [2020-07-17 18:00:47,015 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 53 [2020-07-17 18:00:47,706 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 53 [2020-07-17 18:00:48,224 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 42 [2020-07-17 18:00:49,740 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 261 DAG size of output: 54 [2020-07-17 18:00:50,428 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 53 [2020-07-17 18:00:51,646 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 245 DAG size of output: 47 [2020-07-17 18:00:52,330 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 50 [2020-07-17 18:00:53,016 WARN L193 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 52 [2020-07-17 18:00:53,576 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 54 [2020-07-17 18:00:55,523 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:00:56,135 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 55 [2020-07-17 18:00:56,713 WARN L193 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 50 [2020-07-17 18:00:57,483 WARN L193 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 69 [2020-07-17 18:00:59,446 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:01:00,289 WARN L193 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 68 [2020-07-17 18:01:00,857 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 46 [2020-07-17 18:01:01,581 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 56 [2020-07-17 18:01:02,149 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 52 [2020-07-17 18:01:02,699 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 46 [2020-07-17 18:01:03,637 WARN L193 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 60 [2020-07-17 18:01:04,387 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 57 [2020-07-17 18:01:05,094 WARN L193 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 50 [2020-07-17 18:01:06,152 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 156 DAG size of output: 72 [2020-07-17 18:01:06,805 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 45 [2020-07-17 18:01:08,175 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 250 DAG size of output: 64 [2020-07-17 18:01:08,917 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 56 [2020-07-17 18:01:10,924 WARN L193 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:01:11,885 WARN L193 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 62 [2020-07-17 18:01:12,470 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 49 [2020-07-17 18:01:13,420 WARN L193 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 57 [2020-07-17 18:01:13,968 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 47 [2020-07-17 18:01:14,545 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 53 [2020-07-17 18:01:15,278 WARN L193 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 54 [2020-07-17 18:01:15,967 WARN L193 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 50 [2020-07-17 18:01:16,618 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 57 [2020-07-17 18:01:17,331 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 67 [2020-07-17 18:01:18,151 WARN L193 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 66 [2020-07-17 18:01:20,151 WARN L193 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:01:20,692 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 47 [2020-07-17 18:01:21,638 WARN L193 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 60 [2020-07-17 18:01:22,343 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 55 [2020-07-17 18:01:22,945 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 49 [2020-07-17 18:01:23,487 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 42 [2020-07-17 18:01:24,749 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 245 DAG size of output: 47 [2020-07-17 18:01:25,503 WARN L193 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 58 [2020-07-17 18:01:26,271 WARN L193 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 56 [2020-07-17 18:01:27,670 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 250 DAG size of output: 64 [2020-07-17 18:01:28,638 WARN L193 SmtUtils]: Spent 961.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 65 [2020-07-17 18:01:29,489 WARN L193 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 59 [2020-07-17 18:01:30,051 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 45 [2020-07-17 18:01:30,793 WARN L193 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 57 [2020-07-17 18:01:32,229 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 250 DAG size of output: 64 [2020-07-17 18:01:34,280 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:01:35,054 WARN L193 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 58 [2020-07-17 18:01:35,678 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 53 [2020-07-17 18:01:36,451 WARN L193 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 59 [2020-07-17 18:01:37,376 WARN L193 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 59 [2020-07-17 18:01:38,281 WARN L193 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 61 [2020-07-17 18:01:40,329 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:01:41,100 WARN L193 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 56 [2020-07-17 18:01:41,937 WARN L193 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 69 [2020-07-17 18:01:42,783 WARN L193 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 55 [2020-07-17 18:01:43,432 WARN L193 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 53 [2020-07-17 18:01:44,190 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 66 [2020-07-17 18:01:44,901 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 56 [2020-07-17 18:01:46,975 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:01:49,049 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:01:49,819 WARN L193 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 54 [2020-07-17 18:01:50,625 WARN L193 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 56 [2020-07-17 18:01:51,727 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 218 DAG size of output: 74 [2020-07-17 18:01:53,821 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:01:54,383 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 43 [2020-07-17 18:01:55,175 WARN L193 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 57 [2020-07-17 18:01:55,753 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 46 [2020-07-17 18:01:57,873 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:01:58,544 WARN L193 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 53 [2020-07-17 18:01:59,165 WARN L193 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 53 [2020-07-17 18:01:59,969 WARN L193 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 56 [2020-07-17 18:02:01,324 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 245 DAG size of output: 47 [2020-07-17 18:02:01,906 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 42 [2020-07-17 18:02:03,386 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 250 DAG size of output: 64 [2020-07-17 18:02:03,973 WARN L193 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 42 [2020-07-17 18:02:05,118 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 156 DAG size of output: 72 [2020-07-17 18:02:05,979 WARN L193 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 59 [2020-07-17 18:02:07,486 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 250 DAG size of output: 64 [2020-07-17 18:02:08,410 WARN L193 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 68 [2020-07-17 18:02:09,823 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 247 DAG size of output: 41 [2020-07-17 18:02:11,211 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 247 DAG size of output: 41 [2020-07-17 18:02:11,802 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 42 [2020-07-17 18:02:12,557 WARN L193 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 53 [2020-07-17 18:02:13,322 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 53 [2020-07-17 18:02:14,869 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 265 DAG size of output: 58 [2020-07-17 18:02:15,461 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 42 [2020-07-17 18:02:16,830 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 245 DAG size of output: 47 [2020-07-17 18:02:18,376 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 265 DAG size of output: 58 [2020-07-17 18:02:19,011 WARN L193 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 52 [2020-07-17 18:02:19,836 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 56 [2020-07-17 18:02:20,766 WARN L193 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 56 [2020-07-17 18:02:21,624 WARN L193 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 69 [2020-07-17 18:02:22,382 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 50 [2020-07-17 18:02:23,195 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 56 [2020-07-17 18:02:24,021 WARN L193 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 58 [2020-07-17 18:02:24,837 WARN L193 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 48 [2020-07-17 18:02:27,059 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:02:28,025 WARN L193 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 51 [2020-07-17 18:02:28,686 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 47 [2020-07-17 18:02:29,403 WARN L193 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 57 [2020-07-17 18:02:30,010 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 51 [2020-07-17 18:02:30,737 WARN L193 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 46 [2020-07-17 18:02:31,379 WARN L193 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 56 [2020-07-17 18:02:32,080 WARN L193 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 50 [2020-07-17 18:02:34,301 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:02:34,913 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 52 [2020-07-17 18:02:37,146 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:02:37,752 WARN L193 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 52 [2020-07-17 18:02:38,402 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 55 [2020-07-17 18:02:39,061 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 53 [2020-07-17 18:02:40,190 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 156 DAG size of output: 69 [2020-07-17 18:02:42,466 WARN L193 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:02:43,103 WARN L193 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 58 [2020-07-17 18:02:43,832 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 58 [2020-07-17 18:02:44,749 WARN L193 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 60 [2020-07-17 18:02:45,602 WARN L193 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 54 [2020-07-17 18:02:46,425 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 54 [2020-07-17 18:02:47,038 WARN L193 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 50 [2020-07-17 18:02:47,765 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 57 [2020-07-17 18:02:48,499 WARN L193 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 50 [2020-07-17 18:02:49,184 WARN L193 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 53 [2020-07-17 18:02:50,019 WARN L193 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 58 [2020-07-17 18:02:50,851 WARN L193 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 58 [2020-07-17 18:02:51,880 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 150 DAG size of output: 68 [2020-07-17 18:02:52,482 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 44 [2020-07-17 18:02:54,827 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:02:57,169 WARN L193 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:02:58,070 WARN L193 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 63 [2020-07-17 18:02:59,148 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 155 DAG size of output: 63 [2020-07-17 18:02:59,904 WARN L193 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 50 [2020-07-17 18:03:00,545 WARN L193 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 44 [2020-07-17 18:03:01,551 WARN L193 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 68 [2020-07-17 18:03:02,239 WARN L193 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 54 [2020-07-17 18:03:04,611 WARN L193 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:03:05,233 WARN L193 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 48 [2020-07-17 18:03:07,633 WARN L193 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:03:08,739 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 180 DAG size of output: 60 [2020-07-17 18:03:09,443 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 51 [2020-07-17 18:03:10,096 WARN L193 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 44 [2020-07-17 18:03:10,875 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 44 [2020-07-17 18:03:11,742 WARN L193 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 53 [2020-07-17 18:03:12,419 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 54 [2020-07-17 18:03:13,198 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 45 [2020-07-17 18:03:14,201 WARN L193 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 56 [2020-07-17 18:03:14,984 WARN L193 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 45 [2020-07-17 18:03:15,814 WARN L193 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 52 [2020-07-17 18:03:16,490 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 54 [2020-07-17 18:03:18,925 WARN L193 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:03:20,182 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 156 DAG size of output: 72 [2020-07-17 18:03:22,653 WARN L193 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:03:25,082 WARN L193 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:03:25,974 WARN L193 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 54 [2020-07-17 18:03:26,984 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 151 DAG size of output: 60 [2020-07-17 18:03:29,472 WARN L193 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:03:30,521 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 174 DAG size of output: 51 [2020-07-17 18:03:31,384 WARN L193 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 66 [2020-07-17 18:03:33,895 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:03:35,074 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 209 DAG size of output: 57 [2020-07-17 18:03:36,048 WARN L193 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 58 [2020-07-17 18:03:36,759 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 50 [2020-07-17 18:03:39,269 WARN L193 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:03:40,185 WARN L193 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 58 [2020-07-17 18:03:40,767 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 29 [2020-07-17 18:03:41,704 WARN L193 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 52 [2020-07-17 18:03:44,264 WARN L193 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:03:45,042 WARN L193 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 53 [2020-07-17 18:03:45,755 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 47 [2020-07-17 18:03:46,784 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 152 DAG size of output: 59 [2020-07-17 18:03:47,661 WARN L193 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 50 [2020-07-17 18:03:48,895 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 174 DAG size of output: 69 [2020-07-17 18:03:49,941 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 152 DAG size of output: 59 [2020-07-17 18:03:50,845 WARN L193 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 52 [2020-07-17 18:03:53,418 WARN L193 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:03:54,321 WARN L193 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 53 [2020-07-17 18:03:55,962 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 245 DAG size of output: 47 [2020-07-17 18:03:58,078 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 261 DAG size of output: 54 [2020-07-17 18:03:58,954 WARN L193 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 53 [2020-07-17 18:03:59,959 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 180 DAG size of output: 42 [2020-07-17 18:04:00,886 WARN L193 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 52 [2020-07-17 18:04:02,730 WARN L193 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 250 DAG size of output: 64 [2020-07-17 18:04:03,673 WARN L193 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 53 [2020-07-17 18:04:04,430 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 52 [2020-07-17 18:04:05,106 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 48 [2020-07-17 18:04:06,501 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 162 DAG size of output: 56 [2020-07-17 18:04:07,198 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 52 [2020-07-17 18:04:08,367 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 150 DAG size of output: 68 [2020-07-17 18:04:10,097 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 247 DAG size of output: 41 [2020-07-17 18:04:11,978 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 256 DAG size of output: 48 [2020-07-17 18:04:12,963 WARN L193 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 53 [2020-07-17 18:04:13,900 WARN L193 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 53 [2020-07-17 18:04:14,819 WARN L193 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 53 [2020-07-17 18:04:16,744 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 265 DAG size of output: 58 [2020-07-17 18:04:17,699 WARN L193 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 53 [2020-07-17 18:04:18,668 WARN L193 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 53 [2020-07-17 18:04:20,584 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 265 DAG size of output: 58 [2020-07-17 18:04:21,527 WARN L193 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 53 [2020-07-17 18:04:23,268 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 245 DAG size of output: 47 [2020-07-17 18:04:25,030 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 244 DAG size of output: 47 [2020-07-17 18:04:25,971 WARN L193 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 53 [2020-07-17 18:04:26,938 WARN L193 SmtUtils]: Spent 961.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 48 [2020-07-17 18:04:28,844 WARN L193 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 250 DAG size of output: 64 [2020-07-17 18:04:29,585 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 50 [2020-07-17 18:04:30,578 WARN L193 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 50 [2020-07-17 18:04:32,386 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 247 DAG size of output: 41 [2020-07-17 18:04:34,285 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 247 DAG size of output: 41 [2020-07-17 18:04:36,280 WARN L193 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 256 DAG size of output: 48 [2020-07-17 18:04:37,037 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 42 [2020-07-17 18:04:38,167 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 166 DAG size of output: 69 [2020-07-17 18:04:41,013 WARN L193 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:04:41,759 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 46 [2020-07-17 18:04:43,156 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 200 DAG size of output: 68 [2020-07-17 18:04:46,097 WARN L193 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:04:47,296 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 161 DAG size of output: 55 [2020-07-17 18:04:50,258 WARN L193 SmtUtils]: Spent 2.95 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:04:51,791 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 158 DAG size of output: 71 [2020-07-17 18:04:52,832 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 148 DAG size of output: 66 [2020-07-17 18:04:55,848 WARN L193 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:04:56,908 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 148 DAG size of output: 66 [2020-07-17 18:04:57,913 WARN L193 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 59 [2020-07-17 18:04:58,682 WARN L193 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 45 [2020-07-17 18:05:00,745 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 250 DAG size of output: 64 [2020-07-17 18:05:02,820 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 250 DAG size of output: 64 [2020-07-17 18:05:05,159 WARN L193 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 250 DAG size of output: 64 [2020-07-17 18:05:08,560 WARN L193 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:05:09,840 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 154 DAG size of output: 70 [2020-07-17 18:05:11,332 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 169 DAG size of output: 55 [2020-07-17 18:05:12,154 WARN L193 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 46 [2020-07-17 18:05:13,121 WARN L193 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 57 [2020-07-17 18:05:13,947 WARN L193 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 51 [2020-07-17 18:05:14,861 WARN L193 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 55 [2020-07-17 18:05:18,103 WARN L193 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:05:18,894 WARN L193 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 47 [2020-07-17 18:05:21,020 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 247 DAG size of output: 41 [2020-07-17 18:05:22,153 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 155 DAG size of output: 53 [2020-07-17 18:05:24,259 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 247 DAG size of output: 41 [2020-07-17 18:05:25,430 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 155 DAG size of output: 53 [2020-07-17 18:05:26,633 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 148 DAG size of output: 66 [2020-07-17 18:05:29,875 WARN L193 SmtUtils]: Spent 3.24 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:05:31,069 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 162 DAG size of output: 43 [2020-07-17 18:05:32,622 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 155 DAG size of output: 63 [2020-07-17 18:05:34,074 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 150 DAG size of output: 68 [2020-07-17 18:05:35,263 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 171 DAG size of output: 43 [2020-07-17 18:05:36,194 WARN L193 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 54 [2020-07-17 18:05:39,609 WARN L193 SmtUtils]: Spent 3.41 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:05:43,061 WARN L193 SmtUtils]: Spent 3.44 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:05:46,569 WARN L193 SmtUtils]: Spent 3.50 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:05:48,979 WARN L193 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 250 DAG size of output: 64 [2020-07-17 18:05:51,261 WARN L193 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 250 DAG size of output: 64 [2020-07-17 18:05:52,585 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 164 DAG size of output: 56 [2020-07-17 18:05:53,497 WARN L193 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 51 [2020-07-17 18:05:54,541 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 147 DAG size of output: 55 [2020-07-17 18:05:56,899 WARN L193 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 250 DAG size of output: 64 [2020-07-17 18:05:58,492 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 150 DAG size of output: 68 [2020-07-17 18:05:59,821 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 159 DAG size of output: 61 [2020-07-17 18:06:01,058 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 164 DAG size of output: 56 [2020-07-17 18:06:04,679 WARN L193 SmtUtils]: Spent 3.61 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:06:08,357 WARN L193 SmtUtils]: Spent 3.67 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:06:09,759 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 150 DAG size of output: 58 [2020-07-17 18:06:10,721 WARN L193 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 52 [2020-07-17 18:06:12,075 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 155 DAG size of output: 53 [2020-07-17 18:06:14,699 WARN L193 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 265 DAG size of output: 58 [2020-07-17 18:06:17,370 WARN L193 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 265 DAG size of output: 58 [2020-07-17 18:06:19,738 WARN L193 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 245 DAG size of output: 47 [2020-07-17 18:06:21,040 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 155 DAG size of output: 53 [2020-07-17 18:06:22,373 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 155 DAG size of output: 53 [2020-07-17 18:06:23,249 WARN L193 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 29 [2020-07-17 18:06:25,679 WARN L193 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 245 DAG size of output: 47 [2020-07-17 18:06:26,704 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 147 DAG size of output: 54 [2020-07-17 18:06:28,380 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 155 DAG size of output: 63 [2020-07-17 18:06:30,020 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 154 DAG size of output: 70 [2020-07-17 18:06:31,066 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 168 DAG size of output: 52 [2020-07-17 18:06:32,719 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 150 DAG size of output: 68 [2020-07-17 18:06:34,398 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 209 DAG size of output: 57 [2020-07-17 18:06:35,950 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 149 DAG size of output: 54 [2020-07-17 18:06:37,054 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 147 DAG size of output: 54 [2020-07-17 18:06:38,381 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 149 DAG size of output: 54 [2020-07-17 18:06:40,017 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 161 DAG size of output: 55 [2020-07-17 18:06:41,003 WARN L193 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 50 [2020-07-17 18:06:42,080 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 178 DAG size of output: 49 [2020-07-17 18:06:46,094 WARN L193 SmtUtils]: Spent 4.01 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:06:46,267 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 31 [2020-07-17 18:06:47,809 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 155 DAG size of output: 53 [2020-07-17 18:06:49,327 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 155 DAG size of output: 53 [2020-07-17 18:06:52,027 WARN L193 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 247 DAG size of output: 41 [2020-07-17 18:06:53,110 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 157 DAG size of output: 42 [2020-07-17 18:06:56,208 WARN L193 SmtUtils]: Spent 3.09 s on a formula simplification. DAG size of input: 261 DAG size of output: 54 [2020-07-17 18:06:59,251 WARN L193 SmtUtils]: Spent 3.03 s on a formula simplification. DAG size of input: 265 DAG size of output: 58 [2020-07-17 18:07:01,800 WARN L193 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 245 DAG size of output: 47 [2020-07-17 18:07:03,354 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 155 DAG size of output: 53 [2020-07-17 18:07:04,773 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 155 DAG size of output: 53 [2020-07-17 18:07:05,836 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 157 DAG size of output: 42 [2020-07-17 18:07:08,538 WARN L193 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 159 DAG size of output: 71 [2020-07-17 18:07:10,320 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 209 DAG size of output: 57 [2020-07-17 18:07:14,725 WARN L193 SmtUtils]: Spent 4.40 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:07:16,224 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 149 DAG size of output: 54 [2020-07-17 18:07:17,781 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 164 DAG size of output: 52 [2020-07-17 18:07:19,048 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 148 DAG size of output: 57 [2020-07-17 18:07:20,562 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 149 DAG size of output: 50 [2020-07-17 18:07:25,015 WARN L193 SmtUtils]: Spent 4.44 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:07:29,588 WARN L193 SmtUtils]: Spent 4.57 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:07:31,476 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 150 DAG size of output: 68 [2020-07-17 18:07:33,456 WARN L193 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 161 DAG size of output: 56 [2020-07-17 18:07:38,192 WARN L193 SmtUtils]: Spent 4.73 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:07:40,414 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 158 DAG size of output: 71 [2020-07-17 18:07:45,063 WARN L193 SmtUtils]: Spent 4.64 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:07:46,379 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 150 DAG size of output: 48 [2020-07-17 18:07:47,549 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 161 DAG size of output: 49 [2020-07-17 18:07:48,923 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 178 DAG size of output: 46 [2020-07-17 18:07:50,816 WARN L193 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 166 DAG size of output: 69 [2020-07-17 18:07:51,934 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 155 DAG size of output: 50 [2020-07-17 18:07:53,304 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 153 DAG size of output: 45 [2020-07-17 18:07:55,154 WARN L193 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 168 DAG size of output: 59 [2020-07-17 18:07:56,497 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 152 DAG size of output: 50 [2020-07-17 18:07:57,662 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 161 DAG size of output: 46 [2020-07-17 18:08:02,608 WARN L193 SmtUtils]: Spent 4.94 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:08:04,643 WARN L193 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 150 DAG size of output: 68 [2020-07-17 18:08:09,572 WARN L193 SmtUtils]: Spent 4.92 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:08:11,433 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 179 DAG size of output: 56 [2020-07-17 18:08:15,384 WARN L193 SmtUtils]: Spent 3.94 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:08:19,381 WARN L193 SmtUtils]: Spent 3.99 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:08:21,092 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 164 DAG size of output: 64 [2020-07-17 18:08:22,518 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 164 DAG size of output: 52 [2020-07-17 18:08:26,542 WARN L193 SmtUtils]: Spent 4.02 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:08:27,918 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 149 DAG size of output: 50 [2020-07-17 18:08:29,174 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 148 DAG size of output: 57 [2020-07-17 18:08:30,676 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 148 DAG size of output: 66 [2020-07-17 18:08:31,795 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 165 DAG size of output: 50 [2020-07-17 18:08:32,937 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 161 DAG size of output: 57 [2020-07-17 18:08:37,117 WARN L193 SmtUtils]: Spent 4.17 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:08:38,841 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 154 DAG size of output: 60 [2020-07-17 18:08:39,885 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 150 DAG size of output: 48 [2020-07-17 18:08:41,278 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 158 DAG size of output: 64 [2020-07-17 18:08:45,521 WARN L193 SmtUtils]: Spent 4.24 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:08:47,191 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 164 DAG size of output: 64 [2020-07-17 18:08:48,244 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 151 DAG size of output: 44 [2020-07-17 18:08:49,845 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 180 DAG size of output: 42 [2020-07-17 18:08:51,040 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 161 DAG size of output: 57 [2020-07-17 18:08:52,477 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 161 DAG size of output: 58 [2020-07-17 18:08:54,267 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 152 DAG size of output: 59 [2020-07-17 18:08:55,752 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 168 DAG size of output: 53 [2020-07-17 18:08:57,600 WARN L193 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 174 DAG size of output: 51 [2020-07-17 18:08:59,518 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 157 DAG size of output: 63 [2020-07-17 18:09:00,835 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 181 DAG size of output: 61 [2020-07-17 18:09:03,709 WARN L193 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 247 DAG size of output: 41 [2020-07-17 18:09:08,284 WARN L193 SmtUtils]: Spent 4.50 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:09:09,979 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2020-07-17 18:09:11,737 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 154 DAG size of output: 70 [2020-07-17 18:09:16,240 WARN L193 SmtUtils]: Spent 4.49 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:09:17,746 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 164 DAG size of output: 52 [2020-07-17 18:09:18,997 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 147 DAG size of output: 54 [2020-07-17 18:09:20,353 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 178 DAG size of output: 46 [2020-07-17 18:09:21,843 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 158 DAG size of output: 46 [2020-07-17 18:09:23,151 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 173 DAG size of output: 49 [2020-07-17 18:09:25,342 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 181 DAG size of output: 61 [2020-07-17 18:09:30,056 WARN L193 SmtUtils]: Spent 4.71 s on a formula simplification. DAG size of input: 274 DAG size of output: 73 [2020-07-17 18:09:31,295 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 161 DAG size of output: 57 [2020-07-17 18:09:32,608 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 147 DAG size of output: 55 [2020-07-17 18:09:34,221 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 157 DAG size of output: 48 [2020-07-17 18:10:00,470 WARN L193 SmtUtils]: Spent 26.23 s on a formula simplification. DAG size of input: 445 DAG size of output: 194 [2020-07-17 18:10:03,206 WARN L193 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 247 DAG size of output: 41