/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label06.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 13:30:19,680 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 13:30:19,683 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 13:30:19,703 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 13:30:19,703 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 13:30:19,706 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 13:30:19,708 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 13:30:19,719 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 13:30:19,722 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 13:30:19,725 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 13:30:19,728 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 13:30:19,730 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 13:30:19,730 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 13:30:19,732 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 13:30:19,734 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 13:30:19,736 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 13:30:19,737 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 13:30:19,738 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 13:30:19,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 13:30:19,745 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 13:30:19,750 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 13:30:19,754 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 13:30:19,756 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 13:30:19,756 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 13:30:19,759 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 13:30:19,770 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 13:30:19,771 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 13:30:19,772 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 13:30:19,773 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 13:30:19,800 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 13:30:19,801 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 13:30:19,802 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 13:30:19,802 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 13:30:19,802 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 13:30:19,803 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 13:30:19,803 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 13:30:19,803 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 13:30:19,806 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 13:30:19,807 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 13:30:19,807 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 13:30:19,807 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 13:30:19,807 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 13:30:19,807 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 13:30:19,808 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 13:30:19,808 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 13:30:19,808 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 13:30:19,808 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 13:30:19,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 13:30:19,808 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 13:30:19,809 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 13:30:19,809 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 13:30:19,809 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-17 13:30:20,103 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 13:30:20,118 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 13:30:20,122 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 13:30:20,124 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 13:30:20,124 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 13:30:20,125 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label06.c [2020-07-17 13:30:20,192 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a884ed234/730839a96f3049cc8a46d3fcb8dac161/FLAGa50512428 [2020-07-17 13:30:20,727 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 13:30:20,728 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label06.c [2020-07-17 13:30:20,750 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a884ed234/730839a96f3049cc8a46d3fcb8dac161/FLAGa50512428 [2020-07-17 13:30:21,041 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a884ed234/730839a96f3049cc8a46d3fcb8dac161 [2020-07-17 13:30:21,053 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 13:30:21,057 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 13:30:21,061 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 13:30:21,061 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 13:30:21,065 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 13:30:21,066 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 01:30:21" (1/1) ... [2020-07-17 13:30:21,069 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@118c986e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:30:21, skipping insertion in model container [2020-07-17 13:30:21,069 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 01:30:21" (1/1) ... [2020-07-17 13:30:21,078 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 13:30:21,125 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 13:30:21,657 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 13:30:21,664 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 13:30:21,794 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 13:30:21,828 INFO L208 MainTranslator]: Completed translation [2020-07-17 13:30:21,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:30:21 WrapperNode [2020-07-17 13:30:21,829 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 13:30:21,829 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 13:30:21,830 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 13:30:21,830 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 13:30:21,844 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:30:21" (1/1) ... [2020-07-17 13:30:21,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:30:21" (1/1) ... [2020-07-17 13:30:21,868 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:30:21" (1/1) ... [2020-07-17 13:30:21,868 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:30:21" (1/1) ... [2020-07-17 13:30:21,914 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:30:21" (1/1) ... [2020-07-17 13:30:21,924 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:30:21" (1/1) ... [2020-07-17 13:30:21,930 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:30:21" (1/1) ... [2020-07-17 13:30:21,937 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 13:30:21,938 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 13:30:21,938 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 13:30:21,938 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 13:30:21,939 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:30:21" (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 13:30:22,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 13:30:22,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 13:30:22,010 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-17 13:30:22,010 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 13:30:22,010 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-17 13:30:22,010 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 13:30:22,010 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 13:30:22,011 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-17 13:30:22,011 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 13:30:22,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 13:30:22,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 13:30:23,402 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 13:30:23,402 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-17 13:30:23,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 01:30:23 BoogieIcfgContainer [2020-07-17 13:30:23,418 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 13:30:23,422 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 13:30:23,422 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 13:30:23,426 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 13:30:23,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 01:30:21" (1/3) ... [2020-07-17 13:30:23,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23b2a925 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 01:30:23, skipping insertion in model container [2020-07-17 13:30:23,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:30:21" (2/3) ... [2020-07-17 13:30:23,430 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23b2a925 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 01:30:23, skipping insertion in model container [2020-07-17 13:30:23,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 01:30:23" (3/3) ... [2020-07-17 13:30:23,436 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label06.c [2020-07-17 13:30:23,448 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 13:30:23,461 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 13:30:23,476 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 13:30:23,504 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 13:30:23,504 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 13:30:23,504 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-17 13:30:23,505 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 13:30:23,505 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 13:30:23,505 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 13:30:23,505 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 13:30:23,505 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 13:30:23,539 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states. [2020-07-17 13:30:23,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-07-17 13:30:23,582 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:30:23,583 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:30:23,584 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:30:23,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:30:23,599 INFO L82 PathProgramCache]: Analyzing trace with hash 730138415, now seen corresponding path program 1 times [2020-07-17 13:30:23,610 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:30:23,610 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1356249129] [2020-07-17 13:30:23,610 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:30:23,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:30:24,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:30:24,347 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 13:30:24,352 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:30:24,355 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1356249129] [2020-07-17 13:30:24,357 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:30:24,358 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 13:30:24,358 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242785076] [2020-07-17 13:30:24,367 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 13:30:24,367 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:30:24,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 13:30:24,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 13:30:24,391 INFO L87 Difference]: Start difference. First operand 525 states. Second operand 5 states. [2020-07-17 13:30:27,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 13:30:27,401 INFO L93 Difference]: Finished difference Result 1360 states and 1895 transitions. [2020-07-17 13:30:27,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-17 13:30:27,403 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 152 [2020-07-17 13:30:27,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 13:30:27,429 INFO L225 Difference]: With dead ends: 1360 [2020-07-17 13:30:27,429 INFO L226 Difference]: Without dead ends: 781 [2020-07-17 13:30:27,440 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-17 13:30:27,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2020-07-17 13:30:27,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 746. [2020-07-17 13:30:27,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 746 states. [2020-07-17 13:30:27,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 746 states and 914 transitions. [2020-07-17 13:30:27,698 INFO L78 Accepts]: Start accepts. Automaton has 746 states and 914 transitions. Word has length 152 [2020-07-17 13:30:27,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 13:30:27,699 INFO L479 AbstractCegarLoop]: Abstraction has 746 states and 914 transitions. [2020-07-17 13:30:27,699 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 13:30:27,699 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 914 transitions. [2020-07-17 13:30:27,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-07-17 13:30:27,705 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:30:27,706 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:30:27,706 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 13:30:27,706 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:30:27,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:30:27,707 INFO L82 PathProgramCache]: Analyzing trace with hash -1669034880, now seen corresponding path program 1 times [2020-07-17 13:30:27,707 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:30:27,708 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [319186216] [2020-07-17 13:30:27,708 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:30:27,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:30:27,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:30:27,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:30:28,018 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 13:30:28,676 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-07-17 13:30:28,845 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-07-17 13:30:29,185 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2020-07-17 13:30:29,381 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 13:30:29,617 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 13:30:29,909 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-17 13:30:30,204 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-07-17 13:30:30,513 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-07-17 13:30:31,073 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2020-07-17 13:30:31,970 WARN L193 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2020-07-17 13:30:32,342 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-17 13:30:33,013 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 91 [2020-07-17 13:30:33,417 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-07-17 13:30:34,141 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 94 [2020-07-17 13:30:34,598 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-07-17 13:30:35,058 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-07-17 13:30:35,565 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-07-17 13:30:36,086 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-07-17 13:30:36,659 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-07-17 13:30:37,223 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-07-17 13:30:37,818 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-07-17 13:30:38,457 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-07-17 13:30:39,116 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-17 13:30:40,335 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 107 DAG size of output: 107 [2020-07-17 13:30:41,541 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2020-07-17 13:30:42,813 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2020-07-17 13:30:44,133 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2020-07-17 13:30:44,916 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-07-17 13:30:46,261 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 110 DAG size of output: 109 [2020-07-17 13:30:48,145 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 112 DAG size of output: 109 [2020-07-17 13:30:49,494 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 110 DAG size of output: 109 [2020-07-17 13:30:51,389 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 110 DAG size of output: 109 [2020-07-17 13:30:52,212 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-07-17 13:30:53,089 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-07-17 13:30:54,579 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 112 DAG size of output: 112 [2020-07-17 13:30:55,495 WARN L193 SmtUtils]: Spent 620.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-07-17 13:30:56,439 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-07-17 13:30:58,717 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2020-07-17 13:31:00,327 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2020-07-17 13:31:01,970 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 115 DAG size of output: 115 [2020-07-17 13:31:03,643 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2020-07-17 13:31:05,344 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 116 DAG size of output: 116 [2020-07-17 13:31:06,996 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 117 DAG size of output: 114 [2020-07-17 13:31:08,689 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2020-07-17 13:31:10,346 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2020-07-17 13:31:11,410 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-07-17 13:31:13,771 WARN L193 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 119 DAG size of output: 116 [2020-07-17 13:31:15,464 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 117 DAG size of output: 116 [2020-07-17 13:31:17,179 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2020-07-17 13:31:18,875 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2020-07-17 13:31:20,573 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2020-07-17 13:31:22,910 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2020-07-17 13:31:24,614 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2020-07-17 13:31:26,238 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2020-07-17 13:31:27,883 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 113 DAG size of output: 113 [2020-07-17 13:31:29,902 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-07-17 13:31:31,370 WARN L193 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 106 [2020-07-17 13:31:32,871 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 107 DAG size of output: 106 [2020-07-17 13:31:34,983 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 107 DAG size of output: 106 [2020-07-17 13:31:36,752 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 107 DAG size of output: 100 [2020-07-17 13:31:38,146 WARN L193 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 101 [2020-07-17 13:31:39,335 WARN L193 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 97 [2020-07-17 13:31:40,379 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2020-07-17 13:31:41,169 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 65 [2020-07-17 13:31:41,729 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-07-17 13:31:42,314 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-07-17 13:31:43,092 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2020-07-17 13:31:43,723 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-07-17 13:31:44,539 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2020-07-17 13:31:45,391 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 72 [2020-07-17 13:31:46,072 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-07-17 13:31:46,971 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2020-07-17 13:31:47,679 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-07-17 13:31:48,421 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-07-17 13:31:49,404 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2020-07-17 13:31:50,398 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2020-07-17 13:31:51,399 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 76 [2020-07-17 13:31:52,399 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2020-07-17 13:31:53,182 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 13:31:54,202 WARN L193 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2020-07-17 13:31:55,231 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2020-07-17 13:31:56,242 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2020-07-17 13:31:57,279 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 76 [2020-07-17 13:31:58,358 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2020-07-17 13:31:59,465 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 78 [2020-07-17 13:32:00,613 WARN L193 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 79 [2020-07-17 13:32:01,821 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 80 [2020-07-17 13:32:03,059 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 81 [2020-07-17 13:32:04,269 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2020-07-17 13:32:05,428 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 78 [2020-07-17 13:32:06,600 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 79 [2020-07-17 13:32:07,513 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-17 13:32:08,781 WARN L193 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 81 [2020-07-17 13:32:10,041 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2020-07-17 13:32:10,991 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-17 13:32:12,303 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 80 [2020-07-17 13:32:13,617 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 81 [2020-07-17 13:32:14,961 WARN L193 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2020-07-17 13:32:16,312 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2020-07-17 13:32:17,304 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-07-17 13:32:18,626 WARN L193 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2020-07-17 13:32:19,979 WARN L193 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2020-07-17 13:32:21,345 WARN L193 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2020-07-17 13:32:22,724 WARN L193 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2020-07-17 13:32:24,109 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2020-07-17 13:32:25,502 WARN L193 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2020-07-17 13:32:26,913 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2020-07-17 13:32:28,355 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2020-07-17 13:32:29,814 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-07-17 13:32:31,312 WARN L193 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-07-17 13:32:32,827 WARN L193 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 85 [2020-07-17 13:32:34,304 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 83 [2020-07-17 13:32:35,779 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2020-07-17 13:32:37,297 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2020-07-17 13:32:38,803 WARN L193 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 82 [2020-07-17 13:32:40,238 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2020-07-17 13:32:41,055 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 43 [2020-07-17 13:32:41,056 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:32:41,057 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [319186216] [2020-07-17 13:32:41,057 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:32:41,057 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [135] imperfect sequences [] total 135 [2020-07-17 13:32:41,058 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695788838] [2020-07-17 13:32:41,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 136 states [2020-07-17 13:32:41,060 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:32:41,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 136 interpolants. [2020-07-17 13:32:41,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7793, Invalid=10567, Unknown=0, NotChecked=0, Total=18360 [2020-07-17 13:32:41,072 INFO L87 Difference]: Start difference. First operand 746 states and 914 transitions. Second operand 136 states. [2020-07-17 13:32:45,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 13:32:45,347 INFO L93 Difference]: Finished difference Result 1887 states and 2410 transitions. [2020-07-17 13:32:45,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-17 13:32:45,348 INFO L78 Accepts]: Start accepts. Automaton has 136 states. Word has length 173 [2020-07-17 13:32:45,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 13:32:45,358 INFO L225 Difference]: With dead ends: 1887 [2020-07-17 13:32:45,359 INFO L226 Difference]: Without dead ends: 1165 [2020-07-17 13:32:45,367 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1651 ImplicationChecksByTransitivity, 133.1s TimeCoverageRelationStatistics Valid=7823, Invalid=11917, Unknown=0, NotChecked=0, Total=19740 [2020-07-17 13:32:45,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1165 states. [2020-07-17 13:32:45,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1165 to 1038. [2020-07-17 13:32:45,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1038 states. [2020-07-17 13:32:45,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 1038 states and 1317 transitions. [2020-07-17 13:32:45,485 INFO L78 Accepts]: Start accepts. Automaton has 1038 states and 1317 transitions. Word has length 173 [2020-07-17 13:32:45,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 13:32:45,485 INFO L479 AbstractCegarLoop]: Abstraction has 1038 states and 1317 transitions. [2020-07-17 13:32:45,485 INFO L480 AbstractCegarLoop]: Interpolant automaton has 136 states. [2020-07-17 13:32:45,486 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 1317 transitions. [2020-07-17 13:32:45,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-07-17 13:32:45,491 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:32:45,492 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:32:45,492 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 13:32:45,492 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:32:45,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:32:45,493 INFO L82 PathProgramCache]: Analyzing trace with hash -1615076354, now seen corresponding path program 1 times [2020-07-17 13:32:45,493 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:32:45,493 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [75926535] [2020-07-17 13:32:45,493 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:32:45,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:32:45,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:32:45,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:32:45,855 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 13:32:45,856 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:32:45,857 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [75926535] [2020-07-17 13:32:45,857 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:32:45,857 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 13:32:45,858 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323366947] [2020-07-17 13:32:45,861 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 13:32:45,861 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:32:45,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 13:32:45,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 13:32:45,862 INFO L87 Difference]: Start difference. First operand 1038 states and 1317 transitions. Second operand 5 states. [2020-07-17 13:32:48,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 13:32:48,334 INFO L93 Difference]: Finished difference Result 2682 states and 3511 transitions. [2020-07-17 13:32:48,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-17 13:32:48,335 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 173 [2020-07-17 13:32:48,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 13:32:48,351 INFO L225 Difference]: With dead ends: 2682 [2020-07-17 13:32:48,351 INFO L226 Difference]: Without dead ends: 1668 [2020-07-17 13:32:48,356 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-07-17 13:32:48,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1668 states. [2020-07-17 13:32:48,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1668 to 1183. [2020-07-17 13:32:48,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1183 states. [2020-07-17 13:32:48,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1475 transitions. [2020-07-17 13:32:48,519 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1475 transitions. Word has length 173 [2020-07-17 13:32:48,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 13:32:48,520 INFO L479 AbstractCegarLoop]: Abstraction has 1183 states and 1475 transitions. [2020-07-17 13:32:48,520 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 13:32:48,520 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1475 transitions. [2020-07-17 13:32:48,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-07-17 13:32:48,527 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:32:48,527 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:32:48,528 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 13:32:48,528 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:32:48,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:32:48,528 INFO L82 PathProgramCache]: Analyzing trace with hash -382985798, now seen corresponding path program 1 times [2020-07-17 13:32:48,529 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:32:48,529 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1264985415] [2020-07-17 13:32:48,529 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:32:48,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:32:48,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:32:48,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:32:48,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:32:48,791 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 13:32:49,366 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-07-17 13:32:49,526 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-07-17 13:32:49,708 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-07-17 13:32:50,091 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2020-07-17 13:32:50,325 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 13:32:50,580 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-07-17 13:32:50,887 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-07-17 13:32:51,221 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-07-17 13:32:51,587 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-07-17 13:32:52,294 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2020-07-17 13:32:53,346 WARN L193 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 92 [2020-07-17 13:32:53,780 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-07-17 13:32:54,532 WARN L193 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 92 [2020-07-17 13:32:54,991 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-17 13:32:55,871 WARN L193 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 95 [2020-07-17 13:32:56,391 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-07-17 13:32:56,934 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-07-17 13:32:57,513 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-07-17 13:32:58,101 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-07-17 13:32:58,719 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-07-17 13:32:59,382 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-07-17 13:33:00,069 WARN L193 SmtUtils]: Spent 515.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-07-17 13:33:00,796 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-17 13:33:01,562 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-07-17 13:33:02,958 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2020-07-17 13:33:04,374 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 109 DAG size of output: 109 [2020-07-17 13:33:05,832 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2020-07-17 13:33:07,336 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2020-07-17 13:33:08,241 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-07-17 13:33:09,810 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 111 DAG size of output: 110 [2020-07-17 13:33:12,036 WARN L193 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 113 DAG size of output: 110 [2020-07-17 13:33:13,605 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 111 DAG size of output: 110 [2020-07-17 13:33:15,838 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 111 DAG size of output: 110 [2020-07-17 13:33:16,793 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-07-17 13:33:17,768 WARN L193 SmtUtils]: Spent 681.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-07-17 13:33:19,493 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 113 DAG size of output: 113 [2020-07-17 13:33:20,538 WARN L193 SmtUtils]: Spent 728.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-07-17 13:33:21,623 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-07-17 13:33:24,248 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2020-07-17 13:33:26,104 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2020-07-17 13:33:28,099 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 116 DAG size of output: 116 [2020-07-17 13:33:30,039 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 117 DAG size of output: 116 [2020-07-17 13:33:32,035 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 117 DAG size of output: 117 [2020-07-17 13:33:33,997 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 118 DAG size of output: 115 [2020-07-17 13:33:35,989 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2020-07-17 13:33:37,983 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 117 DAG size of output: 116 [2020-07-17 13:33:39,244 WARN L193 SmtUtils]: Spent 831.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-07-17 13:33:42,052 WARN L193 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 120 DAG size of output: 117 [2020-07-17 13:33:44,044 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 118 DAG size of output: 117 [2020-07-17 13:33:46,082 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2020-07-17 13:33:48,097 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 117 DAG size of output: 116 [2020-07-17 13:33:50,084 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2020-07-17 13:33:52,872 WARN L193 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2020-07-17 13:33:54,904 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2020-07-17 13:33:56,858 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 116 DAG size of output: 113 [2020-07-17 13:33:58,842 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 114 DAG size of output: 114 [2020-07-17 13:34:01,276 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 115 DAG size of output: 108 [2020-07-17 13:34:03,040 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 108 DAG size of output: 107 [2020-07-17 13:34:04,822 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 108 DAG size of output: 107 [2020-07-17 13:34:07,276 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 108 DAG size of output: 107 [2020-07-17 13:34:09,406 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 108 DAG size of output: 101 [2020-07-17 13:34:10,989 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 102 DAG size of output: 102 [2020-07-17 13:34:12,459 WARN L193 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 98 [2020-07-17 13:34:13,740 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 91 [2020-07-17 13:34:14,765 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 66 [2020-07-17 13:34:15,498 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-07-17 13:34:16,276 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-07-17 13:34:17,281 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2020-07-17 13:34:18,159 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-07-17 13:34:19,239 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2020-07-17 13:34:20,338 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2020-07-17 13:34:21,205 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-07-17 13:34:22,343 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 74 [2020-07-17 13:34:23,261 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-07-17 13:34:24,200 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 13:34:25,441 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2020-07-17 13:34:26,661 WARN L193 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2020-07-17 13:34:27,981 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2020-07-17 13:34:29,254 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2020-07-17 13:34:30,236 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 13:34:31,547 WARN L193 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 77 [2020-07-17 13:34:32,842 WARN L193 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 77 [2020-07-17 13:34:34,103 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2020-07-17 13:34:35,380 WARN L193 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2020-07-17 13:34:36,756 WARN L193 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 78 [2020-07-17 13:34:38,134 WARN L193 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 79 [2020-07-17 13:34:39,545 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 80 [2020-07-17 13:34:41,039 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 81 [2020-07-17 13:34:42,579 WARN L193 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2020-07-17 13:34:44,087 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2020-07-17 13:34:45,551 WARN L193 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 79 [2020-07-17 13:34:47,054 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 80 [2020-07-17 13:34:48,239 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-07-17 13:34:49,830 WARN L193 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2020-07-17 13:34:51,389 WARN L193 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2020-07-17 13:34:52,581 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-07-17 13:34:54,150 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 81 [2020-07-17 13:34:55,760 WARN L193 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2020-07-17 13:34:57,353 WARN L193 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2020-07-17 13:34:58,957 WARN L193 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2020-07-17 13:35:00,190 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-17 13:35:01,830 WARN L193 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2020-07-17 13:35:03,530 WARN L193 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2020-07-17 13:35:05,249 WARN L193 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2020-07-17 13:35:06,966 WARN L193 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2020-07-17 13:35:08,706 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2020-07-17 13:35:10,477 WARN L193 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-07-17 13:35:12,243 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-07-17 13:35:14,058 WARN L193 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 85 [2020-07-17 13:35:15,901 WARN L193 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2020-07-17 13:35:17,749 WARN L193 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2020-07-17 13:35:19,668 WARN L193 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 86 [2020-07-17 13:35:21,534 WARN L193 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 84 [2020-07-17 13:35:23,396 WARN L193 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-07-17 13:35:25,344 WARN L193 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 85 [2020-07-17 13:35:27,245 WARN L193 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 83 [2020-07-17 13:35:29,091 WARN L193 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2020-07-17 13:35:30,051 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 44 [2020-07-17 13:35:30,052 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:35:30,053 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1264985415] [2020-07-17 13:35:30,053 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:35:30,053 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [134] imperfect sequences [] total 134 [2020-07-17 13:35:30,053 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949207650] [2020-07-17 13:35:30,054 INFO L459 AbstractCegarLoop]: Interpolant automaton has 135 states [2020-07-17 13:35:30,054 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:35:30,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 135 interpolants. [2020-07-17 13:35:30,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7789, Invalid=10301, Unknown=0, NotChecked=0, Total=18090 [2020-07-17 13:35:30,061 INFO L87 Difference]: Start difference. First operand 1183 states and 1475 transitions. Second operand 135 states. [2020-07-17 13:35:34,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 13:35:34,458 INFO L93 Difference]: Finished difference Result 2756 states and 3559 transitions. [2020-07-17 13:35:34,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-17 13:35:34,461 INFO L78 Accepts]: Start accepts. Automaton has 135 states. Word has length 214 [2020-07-17 13:35:34,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 13:35:34,475 INFO L225 Difference]: With dead ends: 2756 [2020-07-17 13:35:34,475 INFO L226 Difference]: Without dead ends: 1597 [2020-07-17 13:35:34,484 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1519 ImplicationChecksByTransitivity, 161.4s TimeCoverageRelationStatistics Valid=7816, Invalid=11644, Unknown=0, NotChecked=0, Total=19460 [2020-07-17 13:35:34,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1597 states. [2020-07-17 13:35:34,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1597 to 1367. [2020-07-17 13:35:34,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1367 states. [2020-07-17 13:35:34,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1367 states to 1367 states and 1710 transitions. [2020-07-17 13:35:34,669 INFO L78 Accepts]: Start accepts. Automaton has 1367 states and 1710 transitions. Word has length 214 [2020-07-17 13:35:34,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 13:35:34,670 INFO L479 AbstractCegarLoop]: Abstraction has 1367 states and 1710 transitions. [2020-07-17 13:35:34,670 INFO L480 AbstractCegarLoop]: Interpolant automaton has 135 states. [2020-07-17 13:35:34,670 INFO L276 IsEmpty]: Start isEmpty. Operand 1367 states and 1710 transitions. [2020-07-17 13:35:34,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-07-17 13:35:34,677 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:35:34,678 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:35:34,678 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 13:35:34,678 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:35:34,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:35:34,679 INFO L82 PathProgramCache]: Analyzing trace with hash 1114180569, now seen corresponding path program 1 times [2020-07-17 13:35:34,679 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:35:34,679 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [205193983] [2020-07-17 13:35:34,679 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:35:34,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:35:34,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:35:34,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:35:34,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:35:35,129 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 13:35:35,593 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 29 [2020-07-17 13:35:35,959 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2020-07-17 13:35:36,231 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-07-17 13:35:36,546 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-07-17 13:35:36,829 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 13:35:37,314 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2020-07-17 13:35:37,615 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-17 13:35:37,925 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-07-17 13:35:38,294 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-07-17 13:35:38,723 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-07-17 13:35:39,162 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-17 13:35:39,993 WARN L193 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 94 [2020-07-17 13:35:41,286 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 98 DAG size of output: 96 [2020-07-17 13:35:41,800 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-07-17 13:35:42,720 WARN L193 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 96 [2020-07-17 13:35:43,281 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-07-17 13:35:44,360 WARN L193 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 99 [2020-07-17 13:35:44,981 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-07-17 13:35:45,661 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-07-17 13:35:46,504 WARN L193 SmtUtils]: Spent 661.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-07-17 13:35:47,228 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-07-17 13:35:48,000 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-07-17 13:35:48,796 WARN L193 SmtUtils]: Spent 603.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-17 13:35:49,618 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-07-17 13:35:50,509 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-07-17 13:35:51,454 WARN L193 SmtUtils]: Spent 722.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-07-17 13:35:53,140 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 112 DAG size of output: 112 [2020-07-17 13:35:54,859 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 113 DAG size of output: 113 [2020-07-17 13:35:56,724 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2020-07-17 13:35:58,554 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 115 DAG size of output: 113 [2020-07-17 13:35:59,635 WARN L193 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-07-17 13:36:01,554 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2020-07-17 13:36:04,292 WARN L193 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 117 DAG size of output: 114 [2020-07-17 13:36:06,217 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2020-07-17 13:36:08,992 WARN L193 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2020-07-17 13:36:10,192 WARN L193 SmtUtils]: Spent 844.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-07-17 13:36:11,411 WARN L193 SmtUtils]: Spent 856.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-07-17 13:36:13,564 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 117 DAG size of output: 117 [2020-07-17 13:36:14,872 WARN L193 SmtUtils]: Spent 933.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-07-17 13:36:16,201 WARN L193 SmtUtils]: Spent 943.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-07-17 13:36:19,552 WARN L193 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 120 DAG size of output: 119 [2020-07-17 13:36:21,934 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 120 DAG size of output: 119 [2020-07-17 13:36:24,384 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 120 DAG size of output: 120 [2020-07-17 13:36:26,832 WARN L193 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 121 DAG size of output: 120 [2020-07-17 13:36:29,350 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 121 DAG size of output: 121 [2020-07-17 13:36:31,823 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 122 DAG size of output: 119 [2020-07-17 13:36:34,367 WARN L193 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2020-07-17 13:36:36,878 WARN L193 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 121 DAG size of output: 120 [2020-07-17 13:36:38,410 WARN L193 SmtUtils]: Spent 984.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-07-17 13:36:41,937 WARN L193 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 124 DAG size of output: 121 [2020-07-17 13:36:44,440 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 122 DAG size of output: 121 [2020-07-17 13:36:47,075 WARN L193 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2020-07-17 13:36:49,752 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 121 DAG size of output: 120 [2020-07-17 13:36:52,393 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2020-07-17 13:36:56,049 WARN L193 SmtUtils]: Spent 3.02 s on a formula simplification. DAG size of input: 120 DAG size of output: 119 [2020-07-17 13:36:58,663 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 120 DAG size of output: 119 [2020-07-17 13:37:01,195 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 120 DAG size of output: 117 [2020-07-17 13:37:03,750 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 118 DAG size of output: 118 [2020-07-17 13:37:06,922 WARN L193 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 119 DAG size of output: 112 [2020-07-17 13:37:09,301 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 112 DAG size of output: 111 [2020-07-17 13:37:11,743 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 112 DAG size of output: 111 [2020-07-17 13:37:15,021 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 112 DAG size of output: 111 [2020-07-17 13:37:17,887 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 112 DAG size of output: 105 [2020-07-17 13:37:20,048 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 106 DAG size of output: 106 [2020-07-17 13:37:22,058 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 107 DAG size of output: 102 [2020-07-17 13:37:23,796 WARN L193 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 95 [2020-07-17 13:37:25,163 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 70 [2020-07-17 13:37:26,207 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-07-17 13:37:27,289 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-07-17 13:37:28,657 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 75 [2020-07-17 13:37:29,843 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 13:37:31,295 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2020-07-17 13:37:32,897 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2020-07-17 13:37:34,181 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 13:37:35,924 WARN L193 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 78 [2020-07-17 13:37:37,310 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-07-17 13:37:38,694 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-17 13:37:40,500 WARN L193 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 80 [2020-07-17 13:37:42,283 WARN L193 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 80 [2020-07-17 13:37:44,166 WARN L193 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 81 [2020-07-17 13:37:45,986 WARN L193 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2020-07-17 13:37:47,437 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-07-17 13:37:49,340 WARN L193 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2020-07-17 13:37:51,152 WARN L193 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2020-07-17 13:37:53,028 WARN L193 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2020-07-17 13:37:54,926 WARN L193 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 81 [2020-07-17 13:37:56,908 WARN L193 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2020-07-17 13:37:58,933 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2020-07-17 13:38:00,977 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2020-07-17 13:38:03,087 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 85 DAG size of output: 85 [2020-07-17 13:38:05,224 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 86 DAG size of output: 86 [2020-07-17 13:38:07,473 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2020-07-17 13:38:09,599 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 86 DAG size of output: 83 [2020-07-17 13:38:11,745 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2020-07-17 13:38:13,500 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-07-17 13:38:15,764 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 86 DAG size of output: 86 [2020-07-17 13:38:18,077 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2020-07-17 13:38:19,888 WARN L193 SmtUtils]: Spent 619.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-07-17 13:38:22,209 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 88 DAG size of output: 85 [2020-07-17 13:38:24,543 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 86 DAG size of output: 86 [2020-07-17 13:38:27,017 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2020-07-17 13:38:29,456 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2020-07-17 13:38:31,335 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-07-17 13:38:33,776 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2020-07-17 13:38:36,392 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 87 DAG size of output: 87 [2020-07-17 13:38:39,098 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2020-07-17 13:38:41,766 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2020-07-17 13:38:44,539 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 88 DAG size of output: 88 [2020-07-17 13:38:47,315 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2020-07-17 13:38:50,077 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2020-07-17 13:38:52,974 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 89 DAG size of output: 89 [2020-07-17 13:38:55,883 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2020-07-17 13:38:58,793 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2020-07-17 13:39:01,820 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 90 DAG size of output: 90 [2020-07-17 13:39:04,798 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 91 DAG size of output: 88 [2020-07-17 13:39:07,839 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2020-07-17 13:39:10,994 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 89 DAG size of output: 89 [2020-07-17 13:39:14,061 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 90 DAG size of output: 87 [2020-07-17 13:39:17,049 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2020-07-17 13:39:18,358 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 48 [2020-07-17 13:39:18,360 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:39:18,361 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [205193983] [2020-07-17 13:39:18,361 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:39:18,361 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [135] imperfect sequences [] total 135 [2020-07-17 13:39:18,361 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178203068] [2020-07-17 13:39:18,362 INFO L459 AbstractCegarLoop]: Interpolant automaton has 136 states [2020-07-17 13:39:18,363 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:39:18,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 136 interpolants. [2020-07-17 13:39:18,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7792, Invalid=10568, Unknown=0, NotChecked=0, Total=18360 [2020-07-17 13:39:18,366 INFO L87 Difference]: Start difference. First operand 1367 states and 1710 transitions. Second operand 136 states. [2020-07-17 13:39:19,862 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2020-07-17 13:39:27,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 13:39:27,708 INFO L93 Difference]: Finished difference Result 3604 states and 4629 transitions. [2020-07-17 13:39:27,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-17 13:39:27,711 INFO L78 Accepts]: Start accepts. Automaton has 136 states. Word has length 221 [2020-07-17 13:39:27,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 13:39:27,730 INFO L225 Difference]: With dead ends: 3604 [2020-07-17 13:39:27,730 INFO L226 Difference]: Without dead ends: 2261 [2020-07-17 13:39:27,739 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2182 ImplicationChecksByTransitivity, 224.0s TimeCoverageRelationStatistics Valid=7853, Invalid=13027, Unknown=0, NotChecked=0, Total=20880 [2020-07-17 13:39:27,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2261 states. [2020-07-17 13:39:28,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2261 to 1994. [2020-07-17 13:39:28,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1994 states. [2020-07-17 13:39:28,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1994 states to 1994 states and 2462 transitions. [2020-07-17 13:39:28,063 INFO L78 Accepts]: Start accepts. Automaton has 1994 states and 2462 transitions. Word has length 221 [2020-07-17 13:39:28,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 13:39:28,064 INFO L479 AbstractCegarLoop]: Abstraction has 1994 states and 2462 transitions. [2020-07-17 13:39:28,064 INFO L480 AbstractCegarLoop]: Interpolant automaton has 136 states. [2020-07-17 13:39:28,064 INFO L276 IsEmpty]: Start isEmpty. Operand 1994 states and 2462 transitions. [2020-07-17 13:39:28,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2020-07-17 13:39:28,076 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:39:28,077 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:39:28,077 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 13:39:28,078 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:39:28,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:39:28,078 INFO L82 PathProgramCache]: Analyzing trace with hash 1874429534, now seen corresponding path program 1 times [2020-07-17 13:39:28,079 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:39:28,079 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2140504039] [2020-07-17 13:39:28,079 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:39:28,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:39:28,377 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-07-17 13:39:28,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:39:28,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:39:28,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:39:28,526 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 13:39:28,528 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:39:28,529 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2140504039] [2020-07-17 13:39:28,529 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:39:28,529 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 13:39:28,529 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898746024] [2020-07-17 13:39:28,530 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 13:39:28,530 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:39:28,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 13:39:28,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 13:39:28,531 INFO L87 Difference]: Start difference. First operand 1994 states and 2462 transitions. Second operand 5 states. [2020-07-17 13:39:29,413 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-07-17 13:39:33,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 13:39:33,915 INFO L93 Difference]: Finished difference Result 4942 states and 6183 transitions. [2020-07-17 13:39:33,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-17 13:39:33,918 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 238 [2020-07-17 13:39:33,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 13:39:33,929 INFO L225 Difference]: With dead ends: 4942 [2020-07-17 13:39:33,929 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 13:39:33,945 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-07-17 13:39:33,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 13:39:33,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 13:39:33,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 13:39:33,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 13:39:33,947 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 238 [2020-07-17 13:39:33,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 13:39:33,947 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 13:39:33,947 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 13:39:33,947 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 13:39:33,948 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 13:39:33,948 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-17 13:39:33,951 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 13:39:41,558 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 1 [2020-07-17 13:40:17,001 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:40:17,453 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 47 [2020-07-17 13:40:17,858 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 45 [2020-07-17 13:40:18,293 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 44 [2020-07-17 13:40:19,481 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:40:19,890 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 44 [2020-07-17 13:40:21,022 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:40:22,122 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:40:22,581 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 47 [2020-07-17 13:40:22,958 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 42 [2020-07-17 13:40:23,338 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 44 [2020-07-17 13:40:23,713 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 44 [2020-07-17 13:40:24,228 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 43 [2020-07-17 13:40:25,326 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:40:25,717 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 41 [2020-07-17 13:40:26,093 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 39 [2020-07-17 13:40:26,712 WARN L193 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 41 [2020-07-17 13:40:27,060 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 40 [2020-07-17 13:40:27,700 WARN L193 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 42 [2020-07-17 13:40:28,093 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 41 [2020-07-17 13:40:29,223 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:40:29,680 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 48 [2020-07-17 13:40:30,061 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 38 [2020-07-17 13:40:31,262 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:40:32,513 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:40:32,964 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 40 [2020-07-17 13:40:33,358 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 38 [2020-07-17 13:40:33,581 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2020-07-17 13:40:34,107 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 47 [2020-07-17 13:40:35,378 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:40:35,837 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 40 [2020-07-17 13:40:36,262 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 48 [2020-07-17 13:40:36,978 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 44 [2020-07-17 13:40:37,312 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 42 [2020-07-17 13:40:37,634 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 44 [2020-07-17 13:40:38,210 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 48 [2020-07-17 13:40:38,506 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 40 [2020-07-17 13:40:39,577 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:40:39,901 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 35 [2020-07-17 13:40:40,233 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 43 [2020-07-17 13:40:40,648 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 46 [2020-07-17 13:40:41,676 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 98 DAG size of output: 49 [2020-07-17 13:40:42,155 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 48 [2020-07-17 13:40:42,602 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 37 [2020-07-17 13:40:43,136 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 41 [2020-07-17 13:40:43,450 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 32 [2020-07-17 13:40:43,845 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 42 [2020-07-17 13:40:44,120 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 34 [2020-07-17 13:40:45,297 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:40:45,694 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 37 [2020-07-17 13:40:46,757 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:40:47,757 WARN L193 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 49 [2020-07-17 13:40:48,133 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 42 [2020-07-17 13:40:48,600 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 41 [2020-07-17 13:40:48,981 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 38 [2020-07-17 13:40:49,377 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 41 [2020-07-17 13:40:49,752 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 35 [2020-07-17 13:40:50,126 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 40 [2020-07-17 13:40:50,486 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 40 [2020-07-17 13:40:51,338 WARN L193 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 46 [2020-07-17 13:40:51,804 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 47 [2020-07-17 13:40:52,966 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:40:54,078 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:40:54,433 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 41 [2020-07-17 13:40:54,815 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 38 [2020-07-17 13:40:56,162 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:40:56,731 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 47 [2020-07-17 13:40:57,182 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 45 [2020-07-17 13:40:57,674 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 44 [2020-07-17 13:40:59,048 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:40:59,586 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 47 [2020-07-17 13:41:00,913 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:41:02,335 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:41:02,739 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 40 [2020-07-17 13:41:03,194 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 43 [2020-07-17 13:41:04,619 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:41:05,423 WARN L193 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 41 [2020-07-17 13:41:05,853 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 42 [2020-07-17 13:41:06,264 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 41 [2020-07-17 13:41:07,592 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:41:08,003 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 41 [2020-07-17 13:41:08,485 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 43 [2020-07-17 13:41:08,989 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 40 [2020-07-17 13:41:09,481 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 39 [2020-07-17 13:41:10,541 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 98 DAG size of output: 49 [2020-07-17 13:41:11,008 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 39 [2020-07-17 13:41:11,490 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 40 [2020-07-17 13:41:11,958 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 43 [2020-07-17 13:41:13,331 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:41:13,763 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 39 [2020-07-17 13:41:14,225 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 39 [2020-07-17 13:41:15,107 WARN L193 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 45 [2020-07-17 13:41:15,549 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 39 [2020-07-17 13:41:16,086 WARN L193 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 47 [2020-07-17 13:41:17,490 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:41:18,904 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:41:20,334 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:41:21,765 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:41:22,296 WARN L193 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 44 [2020-07-17 13:41:22,850 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 47 [2020-07-17 13:41:23,320 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 45 [2020-07-17 13:41:24,760 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:41:25,228 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 40 [2020-07-17 13:41:25,828 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 47 [2020-07-17 13:41:26,536 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 39 [2020-07-17 13:41:27,940 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:41:28,403 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 40 [2020-07-17 13:41:29,433 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 94 DAG size of output: 46 [2020-07-17 13:41:30,231 WARN L193 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 43 [2020-07-17 13:41:30,607 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 38 [2020-07-17 13:41:31,262 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 40 [2020-07-17 13:41:31,751 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 39 [2020-07-17 13:41:33,213 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:41:34,518 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:41:35,912 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:41:36,348 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 41 [2020-07-17 13:41:37,004 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 49 [2020-07-17 13:41:37,636 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 41 [2020-07-17 13:41:38,189 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 47 [2020-07-17 13:41:39,585 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:41:40,162 WARN L193 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 47 [2020-07-17 13:41:40,768 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 41 [2020-07-17 13:41:41,940 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 98 DAG size of output: 49 [2020-07-17 13:41:42,414 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 40 [2020-07-17 13:41:42,830 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 34 [2020-07-17 13:41:43,303 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 38 [2020-07-17 13:41:44,683 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:41:45,822 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 98 DAG size of output: 49 [2020-07-17 13:41:46,348 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 41 [2020-07-17 13:41:47,740 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:41:48,207 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 38 [2020-07-17 13:41:48,848 WARN L193 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 43 [2020-07-17 13:41:50,321 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:41:51,493 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 98 DAG size of output: 49 [2020-07-17 13:41:51,959 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 39 [2020-07-17 13:41:53,441 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:41:53,950 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 40 [2020-07-17 13:41:54,538 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 41 [2020-07-17 13:41:55,472 WARN L193 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 45 [2020-07-17 13:41:56,934 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:41:57,484 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 42 [2020-07-17 13:41:58,638 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 73 DAG size of output: 47 [2020-07-17 13:41:59,175 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 40 [2020-07-17 13:42:00,668 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:42:01,130 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 36 [2020-07-17 13:42:02,648 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:42:03,135 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 39 [2020-07-17 13:42:04,622 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:42:05,218 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 47 [2020-07-17 13:42:05,793 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 47 [2020-07-17 13:42:06,319 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 36 [2020-07-17 13:42:07,827 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:42:08,296 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 39 [2020-07-17 13:42:09,773 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:42:11,016 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:42:11,473 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 40 [2020-07-17 13:42:11,994 WARN L193 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 46 [2020-07-17 13:42:13,338 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:42:13,791 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 45 [2020-07-17 13:42:14,355 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 47 [2020-07-17 13:42:15,715 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:42:16,246 WARN L193 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 47 [2020-07-17 13:42:17,622 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:42:18,978 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:42:19,479 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 44 [2020-07-17 13:42:20,872 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:42:22,228 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:42:23,560 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:42:24,094 WARN L193 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 44 [2020-07-17 13:42:24,652 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 47 [2020-07-17 13:42:25,996 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:42:26,411 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 39 [2020-07-17 13:42:26,827 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 38 [2020-07-17 13:42:27,422 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 49 [2020-07-17 13:42:27,929 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 47 [2020-07-17 13:42:29,181 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:42:29,609 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 41 [2020-07-17 13:42:30,060 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 48 [2020-07-17 13:42:31,329 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:42:32,584 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:42:33,088 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 46 [2020-07-17 13:42:33,512 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 40 [2020-07-17 13:42:33,943 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 45 [2020-07-17 13:42:34,428 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 44 [2020-07-17 13:42:35,665 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:42:35,901 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2020-07-17 13:42:36,265 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 28 [2020-07-17 13:42:37,514 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:42:37,977 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 38 [2020-07-17 13:42:39,217 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:42:39,665 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 48 [2020-07-17 13:42:40,267 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 39 [2020-07-17 13:42:40,970 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 41 [2020-07-17 13:42:41,368 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 34 [2020-07-17 13:42:41,968 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 38 [2020-07-17 13:42:42,472 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 46 [2020-07-17 13:42:43,166 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 43 [2020-07-17 13:42:43,573 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 39 [2020-07-17 13:42:44,029 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 40 [2020-07-17 13:42:45,268 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:42:46,326 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 98 DAG size of output: 49 [2020-07-17 13:42:46,799 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 48 [2020-07-17 13:42:47,241 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 48 [2020-07-17 13:42:47,644 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 39 [2020-07-17 13:42:48,576 WARN L193 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 46 [2020-07-17 13:42:49,139 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 36 [2020-07-17 13:42:50,445 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:42:50,955 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 46 [2020-07-17 13:42:51,414 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 39 [2020-07-17 13:42:51,927 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 46 [2020-07-17 13:42:52,347 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 38 [2020-07-17 13:42:52,825 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 48 [2020-07-17 13:42:53,244 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 40 [2020-07-17 13:42:54,184 WARN L193 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 46 [2020-07-17 13:42:55,483 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:42:55,897 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 36 [2020-07-17 13:42:56,286 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 44 [2020-07-17 13:42:56,834 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 47 [2020-07-17 13:42:57,435 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 39 [2020-07-17 13:42:58,700 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:42:59,344 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 38 [2020-07-17 13:42:59,726 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 37 [2020-07-17 13:43:00,221 WARN L193 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 43 [2020-07-17 13:43:00,642 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 44 [2020-07-17 13:43:01,965 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:43:02,399 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 41 [2020-07-17 13:43:02,637 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2020-07-17 13:43:03,502 WARN L193 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 44 [2020-07-17 13:43:03,931 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 40 [2020-07-17 13:43:04,156 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2020-07-17 13:43:04,533 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 32 [2020-07-17 13:43:05,840 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:43:06,062 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2020-07-17 13:43:06,571 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 44 [2020-07-17 13:43:07,090 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 47 [2020-07-17 13:43:08,375 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:43:08,875 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 44 [2020-07-17 13:43:10,197 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:43:11,490 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:43:11,944 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 45 [2020-07-17 13:43:12,458 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 47 [2020-07-17 13:43:13,162 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 41 [2020-07-17 13:43:13,635 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 40 [2020-07-17 13:43:14,037 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 44 [2020-07-17 13:43:14,529 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 48 [2020-07-17 13:43:15,852 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:43:16,241 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 40 [2020-07-17 13:43:16,681 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 41 [2020-07-17 13:43:17,215 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 47 [2020-07-17 13:43:17,657 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 41 [2020-07-17 13:43:18,949 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:43:19,397 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 41 [2020-07-17 13:43:20,240 WARN L193 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 45 [2020-07-17 13:43:20,710 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 42 [2020-07-17 13:43:22,044 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:43:22,544 WARN L193 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 44 [2020-07-17 13:43:23,153 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 45 [2020-07-17 13:43:24,521 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 104 DAG size of output: 51 [2020-07-17 13:43:24,931 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 44 [2020-07-17 13:43:25,437 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 37 [2020-07-17 13:43:26,132 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 48 [2020-07-17 13:43:26,809 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 37 [2020-07-17 13:43:27,236 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 39 [2020-07-17 13:43:27,672 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 40 [2020-07-17 13:43:28,287 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 45 [2020-07-17 13:43:29,608 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:43:30,252 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 41 [2020-07-17 13:43:30,645 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 34 [2020-07-17 13:43:31,978 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:43:32,526 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 46 [2020-07-17 13:43:33,242 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 42 [2020-07-17 13:43:33,699 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 45 [2020-07-17 13:43:34,149 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 44 [2020-07-17 13:43:35,514 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:43:36,171 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 40 [2020-07-17 13:43:36,984 WARN L193 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 44 [2020-07-17 13:43:37,634 WARN L193 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 41 [2020-07-17 13:43:38,184 WARN L193 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 47 [2020-07-17 13:43:38,978 WARN L193 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 42 [2020-07-17 13:43:39,651 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 40 [2020-07-17 13:43:40,154 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 40 [2020-07-17 13:43:40,630 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 42 [2020-07-17 13:43:41,108 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 37 [2020-07-17 13:43:41,758 WARN L193 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 39 [2020-07-17 13:43:42,339 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 47 [2020-07-17 13:43:42,741 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 42 [2020-07-17 13:43:43,747 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:43:44,092 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 43 [2020-07-17 13:43:45,215 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2020-07-17 13:43:45,728 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 45