/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/Problem02_label04.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 13:52:16,041 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 13:52:16,043 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 13:52:16,062 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 13:52:16,062 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 13:52:16,064 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 13:52:16,066 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 13:52:16,076 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 13:52:16,080 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 13:52:16,083 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 13:52:16,084 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 13:52:16,087 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 13:52:16,087 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 13:52:16,089 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 13:52:16,091 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 13:52:16,092 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 13:52:16,093 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 13:52:16,094 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 13:52:16,095 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 13:52:16,100 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 13:52:16,105 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 13:52:16,108 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 13:52:16,111 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 13:52:16,112 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 13:52:16,114 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 13:52:16,121 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 13:52:16,122 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 13:52:16,123 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 13:52:16,124 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 13:52:16,152 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 13:52:16,154 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 13:52:16,156 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 13:52:16,156 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 13:52:16,158 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 13:52:16,158 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 13:52:16,159 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 13:52:16,159 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 13:52:16,159 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 13:52:16,159 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 13:52:16,159 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 13:52:16,160 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 13:52:16,160 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 13:52:16,160 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 13:52:16,165 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 13:52:16,166 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 13:52:16,166 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 13:52:16,166 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 13:52:16,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 13:52:16,167 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 13:52:16,167 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 13:52:16,167 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 13:52:16,167 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-17 13:52:16,465 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 13:52:16,482 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 13:52:16,486 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 13:52:16,488 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 13:52:16,488 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 13:52:16,489 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label04.c [2020-07-17 13:52:16,549 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be899b3dd/442ede10e38d41b4a54cc1fa6a2018dc/FLAG3d0ce7bed [2020-07-17 13:52:17,038 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 13:52:17,038 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label04.c [2020-07-17 13:52:17,053 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be899b3dd/442ede10e38d41b4a54cc1fa6a2018dc/FLAG3d0ce7bed [2020-07-17 13:52:17,321 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be899b3dd/442ede10e38d41b4a54cc1fa6a2018dc [2020-07-17 13:52:17,330 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 13:52:17,333 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 13:52:17,334 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 13:52:17,335 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 13:52:17,338 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 13:52:17,339 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 01:52:17" (1/1) ... [2020-07-17 13:52:17,342 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bcf8bd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:52:17, skipping insertion in model container [2020-07-17 13:52:17,342 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 01:52:17" (1/1) ... [2020-07-17 13:52:17,350 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 13:52:17,420 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 13:52:17,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 13:52:17,831 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 13:52:18,083 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 13:52:18,101 INFO L208 MainTranslator]: Completed translation [2020-07-17 13:52:18,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:52:18 WrapperNode [2020-07-17 13:52:18,102 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 13:52:18,102 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 13:52:18,102 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 13:52:18,102 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 13:52:18,119 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:52:18" (1/1) ... [2020-07-17 13:52:18,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:52:18" (1/1) ... [2020-07-17 13:52:18,152 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:52:18" (1/1) ... [2020-07-17 13:52:18,152 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:52:18" (1/1) ... [2020-07-17 13:52:18,197 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:52:18" (1/1) ... [2020-07-17 13:52:18,212 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:52:18" (1/1) ... [2020-07-17 13:52:18,217 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:52:18" (1/1) ... [2020-07-17 13:52:18,224 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 13:52:18,225 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 13:52:18,225 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 13:52:18,226 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 13:52:18,227 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:52:18" (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 13:52:18,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 13:52:18,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 13:52:18,314 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-17 13:52:18,315 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 13:52:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-17 13:52:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 13:52:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 13:52:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-17 13:52:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 13:52:18,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 13:52:18,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 13:52:19,633 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 13:52:19,633 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-17 13:52:19,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 01:52:19 BoogieIcfgContainer [2020-07-17 13:52:19,642 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 13:52:19,643 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 13:52:19,644 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 13:52:19,647 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 13:52:19,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 01:52:17" (1/3) ... [2020-07-17 13:52:19,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b50272d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 01:52:19, skipping insertion in model container [2020-07-17 13:52:19,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:52:18" (2/3) ... [2020-07-17 13:52:19,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b50272d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 01:52:19, skipping insertion in model container [2020-07-17 13:52:19,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 01:52:19" (3/3) ... [2020-07-17 13:52:19,651 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label04.c [2020-07-17 13:52:19,663 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 13:52:19,672 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 13:52:19,687 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 13:52:19,711 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 13:52:19,711 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 13:52:19,712 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-17 13:52:19,712 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 13:52:19,712 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 13:52:19,712 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 13:52:19,713 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 13:52:19,713 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 13:52:19,737 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states. [2020-07-17 13:52:19,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-07-17 13:52:19,762 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:52:19,763 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] [2020-07-17 13:52:19,764 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:52:19,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:52:19,771 INFO L82 PathProgramCache]: Analyzing trace with hash -361381607, now seen corresponding path program 1 times [2020-07-17 13:52:19,780 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:52:19,781 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1811791627] [2020-07-17 13:52:19,781 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:52:20,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:52:20,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:52:20,415 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 13:52:20,421 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:52:20,423 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1811791627] [2020-07-17 13:52:20,426 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:52:20,427 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 13:52:20,428 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932438946] [2020-07-17 13:52:20,435 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 13:52:20,436 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:52:20,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 13:52:20,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 13:52:20,454 INFO L87 Difference]: Start difference. First operand 527 states. Second operand 5 states. [2020-07-17 13:52:22,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 13:52:22,704 INFO L93 Difference]: Finished difference Result 1205 states and 1651 transitions. [2020-07-17 13:52:22,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 13:52:22,708 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 132 [2020-07-17 13:52:22,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 13:52:22,754 INFO L225 Difference]: With dead ends: 1205 [2020-07-17 13:52:22,755 INFO L226 Difference]: Without dead ends: 627 [2020-07-17 13:52:22,771 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 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 13:52:22,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2020-07-17 13:52:22,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 613. [2020-07-17 13:52:22,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 613 states. [2020-07-17 13:52:22,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 774 transitions. [2020-07-17 13:52:22,981 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 774 transitions. Word has length 132 [2020-07-17 13:52:22,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 13:52:22,983 INFO L479 AbstractCegarLoop]: Abstraction has 613 states and 774 transitions. [2020-07-17 13:52:22,983 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 13:52:22,983 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 774 transitions. [2020-07-17 13:52:22,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-07-17 13:52:22,989 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:52:22,990 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-17 13:52:22,990 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 13:52:22,991 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:52:22,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:52:22,991 INFO L82 PathProgramCache]: Analyzing trace with hash 372513074, now seen corresponding path program 1 times [2020-07-17 13:52:22,991 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:52:22,992 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1839974538] [2020-07-17 13:52:22,992 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:52:23,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:52:23,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:52:23,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:52:23,324 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 13:52:24,360 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-07-17 13:52:24,711 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2020-07-17 13:52:25,074 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2020-07-17 13:52:25,325 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 13:52:25,581 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 13:52:25,862 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 13:52:26,386 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2020-07-17 13:52:26,692 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-07-17 13:52:27,021 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-07-17 13:52:27,381 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-07-17 13:52:28,052 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2020-07-17 13:52:28,736 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 87 [2020-07-17 13:52:29,468 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 88 [2020-07-17 13:52:30,245 WARN L193 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2020-07-17 13:52:30,722 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-07-17 13:52:31,513 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2020-07-17 13:52:32,034 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-17 13:52:32,552 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-07-17 13:52:33,504 WARN L193 SmtUtils]: Spent 781.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 96 [2020-07-17 13:52:34,341 WARN L193 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2020-07-17 13:52:35,211 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 93 [2020-07-17 13:52:36,104 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 94 [2020-07-17 13:52:36,666 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-07-17 13:52:37,642 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 96 [2020-07-17 13:52:38,677 WARN L193 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 98 [2020-07-17 13:52:39,720 WARN L193 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 98 [2020-07-17 13:52:40,767 WARN L193 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 98 [2020-07-17 13:52:41,418 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-07-17 13:52:42,110 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-07-17 13:52:43,298 WARN L193 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 101 [2020-07-17 13:52:44,025 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-07-17 13:52:45,243 WARN L193 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 102 [2020-07-17 13:52:46,474 WARN L193 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 102 [2020-07-17 13:52:47,714 WARN L193 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2020-07-17 13:52:48,494 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-17 13:52:49,297 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-07-17 13:52:50,613 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 110 DAG size of output: 104 [2020-07-17 13:52:52,342 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 105 DAG size of output: 102 [2020-07-17 13:52:53,609 WARN L193 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2020-07-17 13:52:54,891 WARN L193 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2020-07-17 13:52:55,716 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-07-17 13:52:56,552 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-17 13:52:57,960 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 107 DAG size of output: 107 [2020-07-17 13:52:59,429 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2020-07-17 13:53:00,805 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2020-07-17 13:53:02,705 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2020-07-17 13:53:04,113 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 106 DAG size of output: 106 [2020-07-17 13:53:05,516 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 111 DAG size of output: 106 [2020-07-17 13:53:06,976 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 107 DAG size of output: 107 [2020-07-17 13:53:08,470 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2020-07-17 13:53:09,899 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2020-07-17 13:53:11,792 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2020-07-17 13:53:13,123 WARN L193 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 101 [2020-07-17 13:53:14,390 WARN L193 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 100 [2020-07-17 13:53:15,664 WARN L193 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 100 [2020-07-17 13:53:17,140 WARN L193 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2020-07-17 13:53:18,485 WARN L193 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2020-07-17 13:53:20,355 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2020-07-17 13:53:21,696 WARN L193 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2020-07-17 13:53:23,067 WARN L193 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2020-07-17 13:53:24,399 WARN L193 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2020-07-17 13:53:25,722 WARN L193 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2020-07-17 13:53:27,106 WARN L193 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 102 [2020-07-17 13:53:28,776 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 107 DAG size of output: 97 [2020-07-17 13:53:30,033 WARN L193 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 98 [2020-07-17 13:53:31,306 WARN L193 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 98 [2020-07-17 13:53:32,961 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 99 DAG size of output: 96 [2020-07-17 13:53:34,143 WARN L193 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2020-07-17 13:53:35,164 WARN L193 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2020-07-17 13:53:35,937 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 68 [2020-07-17 13:53:36,650 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 69 [2020-07-17 13:53:37,409 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2020-07-17 13:53:38,257 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2020-07-17 13:53:38,860 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-07-17 13:53:39,645 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2020-07-17 13:53:40,292 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-07-17 13:53:40,949 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-07-17 13:53:41,807 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2020-07-17 13:53:42,665 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2020-07-17 13:53:43,565 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 74 [2020-07-17 13:53:44,501 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 75 [2020-07-17 13:53:45,442 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2020-07-17 13:53:46,201 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 13:53:46,965 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 13:53:47,756 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 13:53:48,568 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-07-17 13:53:49,655 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 79 [2020-07-17 13:53:50,508 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-17 13:53:51,680 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 81 [2020-07-17 13:53:52,873 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2020-07-17 13:53:54,083 WARN L193 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2020-07-17 13:53:55,341 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2020-07-17 13:53:56,587 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2020-07-17 13:53:57,893 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2020-07-17 13:53:59,213 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-07-17 13:53:59,871 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 39 [2020-07-17 13:53:59,873 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:53:59,874 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1839974538] [2020-07-17 13:53:59,874 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:53:59,874 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [117] imperfect sequences [] total 117 [2020-07-17 13:53:59,874 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206691777] [2020-07-17 13:53:59,877 INFO L459 AbstractCegarLoop]: Interpolant automaton has 118 states [2020-07-17 13:53:59,877 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:53:59,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 118 interpolants. [2020-07-17 13:53:59,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5714, Invalid=8092, Unknown=0, NotChecked=0, Total=13806 [2020-07-17 13:53:59,887 INFO L87 Difference]: Start difference. First operand 613 states and 774 transitions. Second operand 118 states. [2020-07-17 13:54:01,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 13:54:01,690 INFO L93 Difference]: Finished difference Result 1142 states and 1475 transitions. [2020-07-17 13:54:01,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-17 13:54:01,692 INFO L78 Accepts]: Start accepts. Automaton has 118 states. Word has length 158 [2020-07-17 13:54:01,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 13:54:01,701 INFO L225 Difference]: With dead ends: 1142 [2020-07-17 13:54:01,701 INFO L226 Difference]: Without dead ends: 551 [2020-07-17 13:54:01,710 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1082 ImplicationChecksByTransitivity, 96.6s TimeCoverageRelationStatistics Valid=5727, Invalid=8553, Unknown=0, NotChecked=0, Total=14280 [2020-07-17 13:54:01,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2020-07-17 13:54:01,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 527. [2020-07-17 13:54:01,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 527 states. [2020-07-17 13:54:01,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 654 transitions. [2020-07-17 13:54:01,796 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 654 transitions. Word has length 158 [2020-07-17 13:54:01,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 13:54:01,798 INFO L479 AbstractCegarLoop]: Abstraction has 527 states and 654 transitions. [2020-07-17 13:54:01,798 INFO L480 AbstractCegarLoop]: Interpolant automaton has 118 states. [2020-07-17 13:54:01,798 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 654 transitions. [2020-07-17 13:54:01,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-07-17 13:54:01,806 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:54:01,809 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:54:01,809 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 13:54:01,809 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:54:01,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:54:01,810 INFO L82 PathProgramCache]: Analyzing trace with hash 799045204, now seen corresponding path program 1 times [2020-07-17 13:54:01,810 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:54:01,810 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1014670276] [2020-07-17 13:54:01,811 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:54:01,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:54:02,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:54:02,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:54:02,163 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 13:54:02,962 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-07-17 13:54:03,130 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-07-17 13:54:03,292 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-07-17 13:54:03,482 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-07-17 13:54:03,862 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2020-07-17 13:54:04,306 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2020-07-17 13:54:04,568 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 13:54:04,864 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 13:54:05,173 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 13:54:05,786 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2020-07-17 13:54:06,147 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-07-17 13:54:06,539 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-07-17 13:54:06,953 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-07-17 13:54:07,733 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2020-07-17 13:54:08,520 WARN L193 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 87 [2020-07-17 13:54:09,354 WARN L193 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 88 [2020-07-17 13:54:10,254 WARN L193 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2020-07-17 13:54:10,788 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-07-17 13:54:11,706 WARN L193 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2020-07-17 13:54:12,273 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-17 13:54:12,861 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-07-17 13:54:13,917 WARN L193 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 96 [2020-07-17 13:54:14,891 WARN L193 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2020-07-17 13:54:15,889 WARN L193 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 93 [2020-07-17 13:54:16,915 WARN L193 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 94 [2020-07-17 13:54:17,546 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-07-17 13:54:18,659 WARN L193 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 96 [2020-07-17 13:54:19,831 WARN L193 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 98 [2020-07-17 13:54:21,010 WARN L193 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 98 [2020-07-17 13:54:22,240 WARN L193 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 98 [2020-07-17 13:54:22,987 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-07-17 13:54:23,777 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-07-17 13:54:25,129 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 101 DAG size of output: 101 [2020-07-17 13:54:25,962 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-07-17 13:54:27,374 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 103 DAG size of output: 102 [2020-07-17 13:54:28,780 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 103 DAG size of output: 102 [2020-07-17 13:54:30,236 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2020-07-17 13:54:31,128 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-17 13:54:32,063 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-07-17 13:54:33,612 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 110 DAG size of output: 104 [2020-07-17 13:54:35,646 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 105 DAG size of output: 102 [2020-07-17 13:54:37,120 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2020-07-17 13:54:38,791 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2020-07-17 13:54:39,726 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-07-17 13:54:40,698 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-17 13:54:42,473 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 107 DAG size of output: 107 [2020-07-17 13:54:44,201 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2020-07-17 13:54:45,818 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2020-07-17 13:54:48,050 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2020-07-17 13:54:49,696 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 106 DAG size of output: 106 [2020-07-17 13:54:51,346 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 111 DAG size of output: 106 [2020-07-17 13:54:53,042 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 107 DAG size of output: 107 [2020-07-17 13:54:54,796 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2020-07-17 13:54:56,461 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2020-07-17 13:54:58,699 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2020-07-17 13:55:00,261 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 108 DAG size of output: 101 [2020-07-17 13:55:01,752 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 102 DAG size of output: 100 [2020-07-17 13:55:03,257 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 101 DAG size of output: 100 [2020-07-17 13:55:04,824 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2020-07-17 13:55:06,385 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2020-07-17 13:55:08,448 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2020-07-17 13:55:10,033 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2020-07-17 13:55:11,605 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2020-07-17 13:55:13,143 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2020-07-17 13:55:14,695 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2020-07-17 13:55:16,282 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 102 DAG size of output: 102 [2020-07-17 13:55:18,201 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 107 DAG size of output: 97 [2020-07-17 13:55:19,668 WARN L193 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 98 [2020-07-17 13:55:21,125 WARN L193 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 98 [2020-07-17 13:55:23,002 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 99 DAG size of output: 96 [2020-07-17 13:55:24,314 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2020-07-17 13:55:25,485 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2020-07-17 13:55:26,390 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 68 [2020-07-17 13:55:27,228 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 69 [2020-07-17 13:55:28,116 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2020-07-17 13:55:29,142 WARN L193 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2020-07-17 13:55:29,848 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-07-17 13:55:30,762 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2020-07-17 13:55:31,508 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-07-17 13:55:32,290 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-07-17 13:55:33,308 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2020-07-17 13:55:34,313 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2020-07-17 13:55:35,344 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 74 [2020-07-17 13:55:36,445 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 75 [2020-07-17 13:55:37,577 WARN L193 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2020-07-17 13:55:38,434 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 13:55:39,325 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 13:55:40,301 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 13:55:41,255 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-07-17 13:55:42,547 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 79 [2020-07-17 13:55:43,547 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-17 13:55:44,953 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 81 [2020-07-17 13:55:46,366 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2020-07-17 13:55:47,806 WARN L193 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2020-07-17 13:55:49,278 WARN L193 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2020-07-17 13:55:50,743 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2020-07-17 13:55:52,294 WARN L193 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2020-07-17 13:55:53,840 WARN L193 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-07-17 13:55:54,601 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 39 [2020-07-17 13:55:54,602 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:55:54,603 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1014670276] [2020-07-17 13:55:54,603 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:55:54,603 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [117] imperfect sequences [] total 117 [2020-07-17 13:55:54,604 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555989708] [2020-07-17 13:55:54,605 INFO L459 AbstractCegarLoop]: Interpolant automaton has 118 states [2020-07-17 13:55:54,605 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:55:54,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 118 interpolants. [2020-07-17 13:55:54,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5713, Invalid=8093, Unknown=0, NotChecked=0, Total=13806 [2020-07-17 13:55:54,612 INFO L87 Difference]: Start difference. First operand 527 states and 654 transitions. Second operand 118 states. [2020-07-17 13:55:58,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 13:55:58,747 INFO L93 Difference]: Finished difference Result 1689 states and 2176 transitions. [2020-07-17 13:55:58,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-17 13:55:58,749 INFO L78 Accepts]: Start accepts. Automaton has 118 states. Word has length 166 [2020-07-17 13:55:58,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 13:55:58,759 INFO L225 Difference]: With dead ends: 1689 [2020-07-17 13:55:58,759 INFO L226 Difference]: Without dead ends: 1184 [2020-07-17 13:55:58,767 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1648 ImplicationChecksByTransitivity, 112.7s TimeCoverageRelationStatistics Valid=5756, Invalid=9744, Unknown=0, NotChecked=0, Total=15500 [2020-07-17 13:55:58,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1184 states. [2020-07-17 13:55:58,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1184 to 1019. [2020-07-17 13:55:58,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1019 states. [2020-07-17 13:55:58,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 1019 states and 1303 transitions. [2020-07-17 13:55:58,956 INFO L78 Accepts]: Start accepts. Automaton has 1019 states and 1303 transitions. Word has length 166 [2020-07-17 13:55:58,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 13:55:58,957 INFO L479 AbstractCegarLoop]: Abstraction has 1019 states and 1303 transitions. [2020-07-17 13:55:58,957 INFO L480 AbstractCegarLoop]: Interpolant automaton has 118 states. [2020-07-17 13:55:58,957 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1303 transitions. [2020-07-17 13:55:58,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-07-17 13:55:58,963 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:55:58,964 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:55:58,964 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 13:55:58,964 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:55:58,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:55:58,965 INFO L82 PathProgramCache]: Analyzing trace with hash 533564513, now seen corresponding path program 1 times [2020-07-17 13:55:58,965 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:55:58,966 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1572448057] [2020-07-17 13:55:58,966 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:55:59,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:55:59,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:55:59,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:55:59,234 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 13:55:59,235 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:55:59,235 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1572448057] [2020-07-17 13:55:59,236 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:55:59,236 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 13:55:59,236 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256935672] [2020-07-17 13:55:59,237 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 13:55:59,237 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:55:59,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 13:55:59,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 13:55:59,251 INFO L87 Difference]: Start difference. First operand 1019 states and 1303 transitions. Second operand 5 states. [2020-07-17 13:56:01,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 13:56:01,867 INFO L93 Difference]: Finished difference Result 1921 states and 2454 transitions. [2020-07-17 13:56:01,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-17 13:56:01,868 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 170 [2020-07-17 13:56:01,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 13:56:01,879 INFO L225 Difference]: With dead ends: 1921 [2020-07-17 13:56:01,880 INFO L226 Difference]: Without dead ends: 924 [2020-07-17 13:56:01,884 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 13:56:01,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2020-07-17 13:56:02,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 693. [2020-07-17 13:56:02,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 693 states. [2020-07-17 13:56:02,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 834 transitions. [2020-07-17 13:56:02,006 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 834 transitions. Word has length 170 [2020-07-17 13:56:02,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 13:56:02,008 INFO L479 AbstractCegarLoop]: Abstraction has 693 states and 834 transitions. [2020-07-17 13:56:02,009 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 13:56:02,009 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 834 transitions. [2020-07-17 13:56:02,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-07-17 13:56:02,013 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:56:02,013 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:56:02,014 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 13:56:02,014 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:56:02,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:56:02,015 INFO L82 PathProgramCache]: Analyzing trace with hash -789753432, now seen corresponding path program 1 times [2020-07-17 13:56:02,015 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:56:02,016 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1812221314] [2020-07-17 13:56:02,020 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:56:02,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:56:02,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:56:02,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:56:02,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:56:02,292 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 13:56:03,148 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-07-17 13:56:03,314 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-17 13:56:03,503 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-07-17 13:56:03,715 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-07-17 13:56:04,169 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2020-07-17 13:56:04,685 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2020-07-17 13:56:05,005 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 13:56:05,349 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 13:56:05,712 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-07-17 13:56:06,422 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2020-07-17 13:56:06,849 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-07-17 13:56:07,304 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-07-17 13:56:07,807 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-07-17 13:56:08,700 WARN L193 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2020-07-17 13:56:09,630 WARN L193 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 88 [2020-07-17 13:56:10,578 WARN L193 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 89 [2020-07-17 13:56:11,623 WARN L193 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2020-07-17 13:56:12,237 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-17 13:56:13,343 WARN L193 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 91 [2020-07-17 13:56:13,996 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-07-17 13:56:14,702 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-07-17 13:56:15,964 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 99 DAG size of output: 97 [2020-07-17 13:56:17,114 WARN L193 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 93 [2020-07-17 13:56:18,287 WARN L193 SmtUtils]: Spent 961.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 94 [2020-07-17 13:56:19,490 WARN L193 SmtUtils]: Spent 987.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 95 [2020-07-17 13:56:20,252 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-07-17 13:56:21,568 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 97 DAG size of output: 97 [2020-07-17 13:56:22,957 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2020-07-17 13:56:24,366 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 99 DAG size of output: 99 [2020-07-17 13:56:25,789 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 100 DAG size of output: 99 [2020-07-17 13:56:26,668 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-07-17 13:56:27,583 WARN L193 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-07-17 13:56:29,202 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 102 DAG size of output: 102 [2020-07-17 13:56:30,165 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-07-17 13:56:31,828 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2020-07-17 13:56:33,489 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2020-07-17 13:56:35,196 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 104 DAG size of output: 104 [2020-07-17 13:56:36,234 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-07-17 13:56:37,328 WARN L193 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-17 13:56:39,129 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 111 DAG size of output: 105 [2020-07-17 13:56:41,533 WARN L193 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 106 DAG size of output: 103 [2020-07-17 13:56:43,285 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 104 DAG size of output: 104 [2020-07-17 13:56:45,086 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2020-07-17 13:56:46,209 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-17 13:56:47,376 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-07-17 13:56:49,304 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2020-07-17 13:56:51,335 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2020-07-17 13:56:53,244 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 110 DAG size of output: 106 [2020-07-17 13:56:55,893 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 107 DAG size of output: 106 [2020-07-17 13:56:57,848 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 107 DAG size of output: 107 [2020-07-17 13:56:59,839 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 112 DAG size of output: 107 [2020-07-17 13:57:01,868 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2020-07-17 13:57:03,985 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 109 DAG size of output: 109 [2020-07-17 13:57:06,013 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 110 DAG size of output: 106 [2020-07-17 13:57:08,763 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2020-07-17 13:57:10,652 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 109 DAG size of output: 102 [2020-07-17 13:57:12,438 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2020-07-17 13:57:14,214 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 102 DAG size of output: 101 [2020-07-17 13:57:16,045 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2020-07-17 13:57:17,934 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 105 DAG size of output: 104 [2020-07-17 13:57:20,364 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2020-07-17 13:57:22,189 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 104 DAG size of output: 104 [2020-07-17 13:57:24,036 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 105 DAG size of output: 104 [2020-07-17 13:57:25,836 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2020-07-17 13:57:27,664 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2020-07-17 13:57:29,520 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2020-07-17 13:57:31,768 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 108 DAG size of output: 98 [2020-07-17 13:57:33,451 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 99 DAG size of output: 99 [2020-07-17 13:57:35,133 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 100 DAG size of output: 99 [2020-07-17 13:57:37,342 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 100 DAG size of output: 97 [2020-07-17 13:57:38,892 WARN L193 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 94 [2020-07-17 13:57:40,255 WARN L193 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2020-07-17 13:57:41,315 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 69 [2020-07-17 13:57:42,344 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2020-07-17 13:57:43,409 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2020-07-17 13:57:44,629 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2020-07-17 13:57:45,462 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-07-17 13:57:46,531 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 72 [2020-07-17 13:57:47,444 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-07-17 13:57:48,369 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-07-17 13:57:49,583 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 74 [2020-07-17 13:57:50,793 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 74 [2020-07-17 13:57:52,036 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 75 [2020-07-17 13:57:53,337 WARN L193 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 76 [2020-07-17 13:57:54,649 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2020-07-17 13:57:55,661 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 13:57:56,682 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 13:57:57,764 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-07-17 13:57:58,886 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-17 13:58:00,385 WARN L193 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 80 [2020-07-17 13:58:01,572 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-07-17 13:58:03,211 WARN L193 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2020-07-17 13:58:04,862 WARN L193 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2020-07-17 13:58:06,547 WARN L193 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2020-07-17 13:58:08,263 WARN L193 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2020-07-17 13:58:09,994 WARN L193 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-07-17 13:58:11,783 WARN L193 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 85 [2020-07-17 13:58:13,635 WARN L193 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2020-07-17 13:58:14,475 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 40 [2020-07-17 13:58:14,476 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:58:14,477 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1812221314] [2020-07-17 13:58:14,477 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:58:14,477 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [116] imperfect sequences [] total 116 [2020-07-17 13:58:14,477 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766447199] [2020-07-17 13:58:14,478 INFO L459 AbstractCegarLoop]: Interpolant automaton has 117 states [2020-07-17 13:58:14,478 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:58:14,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 117 interpolants. [2020-07-17 13:58:14,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5710, Invalid=7862, Unknown=0, NotChecked=0, Total=13572 [2020-07-17 13:58:14,482 INFO L87 Difference]: Start difference. First operand 693 states and 834 transitions. Second operand 117 states. [2020-07-17 13:58:16,438 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 95 [2020-07-17 13:58:17,090 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 101 [2020-07-17 13:58:17,301 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 27 [2020-07-17 13:58:17,622 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2020-07-17 13:58:18,268 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 102 [2020-07-17 13:58:18,830 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 108 [2020-07-17 13:58:19,443 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 109 [2020-07-17 13:58:20,421 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 75 [2020-07-17 13:58:21,036 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 112 [2020-07-17 13:58:21,528 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2020-07-17 13:58:22,518 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 113 [2020-07-17 13:58:23,845 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 122 DAG size of output: 113 [2020-07-17 13:58:25,098 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 123 DAG size of output: 116 [2020-07-17 13:58:26,038 WARN L193 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 118 [2020-07-17 13:58:27,014 WARN L193 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 122 [2020-07-17 13:58:28,126 WARN L193 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 125 [2020-07-17 13:58:29,168 WARN L193 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 123 [2020-07-17 13:58:30,316 WARN L193 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 124 [2020-07-17 13:58:31,733 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 133 DAG size of output: 126 [2020-07-17 13:58:33,059 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 134 DAG size of output: 127 [2020-07-17 13:58:34,497 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 135 DAG size of output: 128 [2020-07-17 13:58:34,844 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 54 [2020-07-17 13:58:36,312 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 136 DAG size of output: 128 [2020-07-17 13:58:36,814 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 66 [2020-07-17 13:58:38,331 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 139 DAG size of output: 131 [2020-07-17 13:58:38,599 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2020-07-17 13:58:38,786 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 43 [2020-07-17 13:58:39,249 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 54 [2020-07-17 13:58:40,789 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 140 DAG size of output: 132 [2020-07-17 13:58:41,265 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 49 [2020-07-17 13:58:42,656 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 138 DAG size of output: 129 [2020-07-17 13:58:44,364 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 139 DAG size of output: 130 [2020-07-17 13:58:45,895 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 140 DAG size of output: 131 [2020-07-17 13:58:47,439 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 142 DAG size of output: 132 [2020-07-17 13:58:49,032 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 143 DAG size of output: 133 [2020-07-17 13:58:50,602 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 143 DAG size of output: 133 [2020-07-17 13:58:52,212 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 144 DAG size of output: 134 [2020-07-17 13:58:53,887 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 146 DAG size of output: 135 [2020-07-17 13:58:54,553 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 69 [2020-07-17 13:58:56,408 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 147 DAG size of output: 136 [2020-07-17 13:58:58,194 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 147 DAG size of output: 136 [2020-07-17 13:59:00,003 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 147 DAG size of output: 136 [2020-07-17 13:59:01,868 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 149 DAG size of output: 137 [2020-07-17 13:59:03,873 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 150 DAG size of output: 138 [2020-07-17 13:59:05,716 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 149 DAG size of output: 137 [2020-07-17 13:59:07,516 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 147 DAG size of output: 135 [2020-07-17 13:59:09,359 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 148 DAG size of output: 136 [2020-07-17 13:59:11,244 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 149 DAG size of output: 137 [2020-07-17 13:59:13,233 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2020-07-17 13:59:15,463 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 153 DAG size of output: 139 [2020-07-17 13:59:17,391 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 150 DAG size of output: 136 [2020-07-17 13:59:19,283 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 150 DAG size of output: 136 [2020-07-17 13:59:20,249 WARN L193 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 73 [2020-07-17 13:59:22,164 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 151 DAG size of output: 137 [2020-07-17 13:59:24,131 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 151 DAG size of output: 137 [2020-07-17 13:59:26,182 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 152 DAG size of output: 138 [2020-07-17 13:59:28,211 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 150 DAG size of output: 139 [2020-07-17 13:59:30,358 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 146 DAG size of output: 138 [2020-07-17 13:59:32,402 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 145 DAG size of output: 137 [2020-07-17 13:59:34,389 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 145 DAG size of output: 137 [2020-07-17 13:59:36,414 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 148 DAG size of output: 140 [2020-07-17 13:59:38,487 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 148 DAG size of output: 140 [2020-07-17 13:59:40,531 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 148 DAG size of output: 139 [2020-07-17 13:59:41,014 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 59 [2020-07-17 13:59:43,099 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 148 DAG size of output: 139 [2020-07-17 13:59:45,807 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 147 DAG size of output: 136 [2020-07-17 13:59:48,506 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 147 DAG size of output: 135 [2020-07-17 13:59:50,896 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 142 DAG size of output: 130 [2020-07-17 13:59:53,240 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 143 DAG size of output: 131 [2020-07-17 13:59:55,508 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 143 DAG size of output: 130 [2020-07-17 13:59:56,002 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 66 [2020-07-17 13:59:58,113 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 138 DAG size of output: 128 [2020-07-17 14:00:00,032 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 131 DAG size of output: 121 [2020-07-17 14:00:01,150 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 102 [2020-07-17 14:00:02,140 WARN L193 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 99 [2020-07-17 14:00:03,313 WARN L193 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 106 [2020-07-17 14:00:04,330 WARN L193 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 107 [2020-07-17 14:00:05,377 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 108 [2020-07-17 14:00:06,512 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 109 [2020-07-17 14:00:07,554 WARN L193 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 109 [2020-07-17 14:00:08,724 WARN L193 SmtUtils]: Spent 781.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 110 [2020-07-17 14:00:09,846 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 110 [2020-07-17 14:00:11,128 WARN L193 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 111 [2020-07-17 14:00:12,322 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 14:00:12,575 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2020-07-17 14:00:12,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 14:00:12,731 INFO L93 Difference]: Finished difference Result 1661 states and 1993 transitions. [2020-07-17 14:00:12,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2020-07-17 14:00:12,732 INFO L78 Accepts]: Start accepts. Automaton has 117 states. Word has length 184 [2020-07-17 14:00:12,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 14:00:12,735 INFO L225 Difference]: With dead ends: 1661 [2020-07-17 14:00:12,735 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 14:00:12,747 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 231 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13201 ImplicationChecksByTransitivity, 239.1s TimeCoverageRelationStatistics Valid=13746, Invalid=40310, Unknown=0, NotChecked=0, Total=54056 [2020-07-17 14:00:12,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 14:00:12,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 14:00:12,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 14:00:12,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 14:00:12,748 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 184 [2020-07-17 14:00:12,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 14:00:12,749 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 14:00:12,749 INFO L480 AbstractCegarLoop]: Interpolant automaton has 117 states. [2020-07-17 14:00:12,749 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 14:00:12,749 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 14:00:12,749 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 14:00:12,752 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 14:00:27,839 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 279 [2020-07-17 14:00:28,030 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 291 [2020-07-17 14:00:28,215 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 291 [2020-07-17 14:00:28,417 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 279 [2020-07-17 14:00:28,593 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 291 [2020-07-17 14:00:28,773 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 291 [2020-07-17 14:00:33,883 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 56 [2020-07-17 14:00:35,056 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 138 DAG size of output: 98 [2020-07-17 14:00:35,934 WARN L193 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 90 [2020-07-17 14:00:37,639 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 158 DAG size of output: 117 [2020-07-17 14:00:38,772 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 140 DAG size of output: 98 [2020-07-17 14:00:39,022 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 56 [2020-07-17 14:00:39,253 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 56 [2020-07-17 14:00:39,413 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-07-17 14:00:40,465 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 140 DAG size of output: 98 [2020-07-17 14:00:40,710 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 56 [2020-07-17 14:00:41,900 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 140 DAG size of output: 98 [2020-07-17 14:00:44,004 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 174 DAG size of output: 127 [2020-07-17 14:00:46,212 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 176 DAG size of output: 129 [2020-07-17 14:00:49,581 WARN L193 SmtUtils]: Spent 3.36 s on a formula simplification. DAG size of input: 168 DAG size of output: 130 [2020-07-17 14:00:51,645 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 173 DAG size of output: 125 [2020-07-17 14:00:52,879 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 150 DAG size of output: 111 [2020-07-17 14:00:53,043 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-07-17 14:00:53,219 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-07-17 14:00:54,330 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 148 DAG size of output: 109 [2020-07-17 14:00:56,794 WARN L193 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 174 DAG size of output: 131 [2020-07-17 14:00:56,970 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-07-17 14:00:58,965 WARN L193 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 167 DAG size of output: 125 [2020-07-17 14:01:00,752 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 121 DAG size of output: 107 [2020-07-17 14:01:01,188 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-07-17 14:01:02,145 WARN L193 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 77 [2020-07-17 14:01:05,670 WARN L193 SmtUtils]: Spent 3.52 s on a formula simplification. DAG size of input: 169 DAG size of output: 130 [2020-07-17 14:01:05,922 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 56 [2020-07-17 14:01:06,195 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 56 [2020-07-17 14:01:07,360 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 140 DAG size of output: 98 [2020-07-17 14:01:07,864 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2020-07-17 14:01:09,852 WARN L193 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 146 DAG size of output: 108 [2020-07-17 14:01:10,840 WARN L193 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 95 [2020-07-17 14:01:11,025 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-07-17 14:01:11,456 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 61 [2020-07-17 14:01:11,938 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2020-07-17 14:01:12,194 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 53 [2020-07-17 14:01:12,442 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 52 [2020-07-17 14:01:12,615 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-07-17 14:01:13,439 WARN L193 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 85 [2020-07-17 14:01:13,788 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 59 [2020-07-17 14:01:16,774 WARN L193 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 161 DAG size of output: 123 [2020-07-17 14:01:16,940 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-07-17 14:01:19,109 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 173 DAG size of output: 125 [2020-07-17 14:01:19,269 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-07-17 14:01:20,040 WARN L193 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 94 [2020-07-17 14:01:20,509 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 53 [2020-07-17 14:01:20,672 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-07-17 14:01:21,242 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 67 [2020-07-17 14:01:21,875 WARN L193 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2020-07-17 14:01:22,437 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 69 [2020-07-17 14:01:22,601 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-07-17 14:01:23,781 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 141 DAG size of output: 93 [2020-07-17 14:01:26,405 WARN L193 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 155 DAG size of output: 117 [2020-07-17 14:01:28,047 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 153 DAG size of output: 112 [2020-07-17 14:01:28,252 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-07-17 14:01:28,675 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2020-07-17 14:01:29,103 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 62 [2020-07-17 14:01:31,067 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 160 DAG size of output: 118 [2020-07-17 14:01:32,832 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 156 DAG size of output: 114 [2020-07-17 14:01:33,294 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 61 [2020-07-17 14:01:33,775 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 62 [2020-07-17 14:01:34,357 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 59 [2020-07-17 14:01:34,553 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-07-17 14:01:35,018 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 61 [2020-07-17 14:01:35,183 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-07-17 14:01:35,655 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 61 [2020-07-17 14:01:36,818 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 152 DAG size of output: 106 [2020-07-17 14:01:37,282 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 61 [2020-07-17 14:01:37,461 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-07-17 14:01:37,786 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 57 [2020-07-17 14:01:38,976 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 140 DAG size of output: 98 [2020-07-17 14:01:40,073 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 133 DAG size of output: 95 [2020-07-17 14:01:41,033 WARN L193 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 92 [2020-07-17 14:01:42,314 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 140 DAG size of output: 98 [2020-07-17 14:01:42,553 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 56 [2020-07-17 14:01:42,789 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 56 [2020-07-17 14:01:43,092 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 57 [2020-07-17 14:01:44,413 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 140 DAG size of output: 98 [2020-07-17 14:01:47,945 WARN L193 SmtUtils]: Spent 3.53 s on a formula simplification. DAG size of input: 174 DAG size of output: 128 [2020-07-17 14:01:48,652 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 84 [2020-07-17 14:01:50,873 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 171 DAG size of output: 124 [2020-07-17 14:01:51,080 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-07-17 14:01:52,709 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 160 DAG size of output: 119 [2020-07-17 14:01:52,892 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-07-17 14:01:56,751 WARN L193 SmtUtils]: Spent 3.86 s on a formula simplification. DAG size of input: 181 DAG size of output: 130 [2020-07-17 14:01:56,962 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-07-17 14:02:00,811 WARN L193 SmtUtils]: Spent 3.85 s on a formula simplification. DAG size of input: 167 DAG size of output: 129 [2020-07-17 14:02:01,006 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-07-17 14:02:01,195 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-07-17 14:02:01,385 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-07-17 14:02:01,712 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 66 [2020-07-17 14:02:04,466 WARN L193 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 176 DAG size of output: 132 [2020-07-17 14:02:05,514 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 128 DAG size of output: 92 [2020-07-17 14:02:06,054 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 59 [2020-07-17 14:02:08,767 WARN L193 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 173 DAG size of output: 130 [2020-07-17 14:02:09,260 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 62 [2020-07-17 14:02:09,852 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 61 [2020-07-17 14:02:13,765 WARN L193 SmtUtils]: Spent 3.91 s on a formula simplification. DAG size of input: 167 DAG size of output: 128 [2020-07-17 14:02:16,541 WARN L193 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 177 DAG size of output: 133 [2020-07-17 14:02:18,597 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 158 DAG size of output: 117 [2020-07-17 14:02:18,896 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 57 [2020-07-17 14:02:19,097 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-07-17 14:02:20,141 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 126 DAG size of output: 90 [2020-07-17 14:02:20,711 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2020-07-17 14:02:21,011 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 56 [2020-07-17 14:02:22,441 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 140 DAG size of output: 98 [2020-07-17 14:02:23,784 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 139 DAG size of output: 98 [2020-07-17 14:02:25,288 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 140 DAG size of output: 98 [2020-07-17 14:02:25,623 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 57 [2020-07-17 14:02:25,840 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-07-17 14:02:26,032 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-07-17 14:02:26,239 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-07-17 14:02:26,859 WARN L193 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 59 [2020-07-17 14:02:27,387 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2020-07-17 14:02:28,799 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 147 DAG size of output: 108 [2020-07-17 14:02:29,026 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-07-17 14:02:30,068 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 132 DAG size of output: 94 [2020-07-17 14:02:30,688 WARN L193 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 67 [2020-07-17 14:02:31,255 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2020-07-17 14:02:31,466 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-07-17 14:02:34,184 WARN L193 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 174 DAG size of output: 126 [2020-07-17 14:02:35,061 WARN L193 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 90 [2020-07-17 14:02:38,031 WARN L193 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 177 DAG size of output: 134 [2020-07-17 14:02:38,251 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-07-17 14:02:41,421 WARN L193 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 171 DAG size of output: 120 [2020-07-17 14:02:41,602 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-07-17 14:02:41,933 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 57 [2020-07-17 14:02:42,232 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 56 [2020-07-17 14:02:43,749 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 140 DAG size of output: 98 [2020-07-17 14:02:44,073 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 56 [2020-07-17 14:02:45,576 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 140 DAG size of output: 98 [2020-07-17 14:02:46,054 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 59 [2020-07-17 14:02:48,455 WARN L193 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 167 DAG size of output: 121 [2020-07-17 14:02:49,139 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 59 [2020-07-17 14:02:49,651 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2020-07-17 14:02:52,360 WARN L193 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 173 DAG size of output: 125 [2020-07-17 14:02:55,143 WARN L193 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 174 DAG size of output: 130 [2020-07-17 14:02:56,787 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 155 DAG size of output: 109 [2020-07-17 14:02:57,592 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 87 [2020-07-17 14:02:57,803 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-07-17 14:02:58,038 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-07-17 14:03:00,769 WARN L193 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 172 DAG size of output: 124 [2020-07-17 14:03:01,562 WARN L193 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 73 [2020-07-17 14:03:01,775 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-07-17 14:03:02,412 WARN L193 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-07-17 14:03:03,769 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 107 DAG size of output: 93 [2020-07-17 14:03:05,076 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 107 DAG size of output: 93 [2020-07-17 14:03:05,736 WARN L193 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2020-07-17 14:03:06,531 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 75 [2020-07-17 14:03:07,658 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 129 DAG size of output: 89 [2020-07-17 14:03:09,634 WARN L193 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 148 DAG size of output: 108 [2020-07-17 14:03:10,242 WARN L193 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2020-07-17 14:03:11,737 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 143 DAG size of output: 100 [2020-07-17 14:03:15,263 WARN L193 SmtUtils]: Spent 3.52 s on a formula simplification. DAG size of input: 156 DAG size of output: 118 [2020-07-17 14:03:16,767 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 150 DAG size of output: 100 [2020-07-17 14:03:17,426 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 77 [2020-07-17 14:03:19,678 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 156 DAG size of output: 114 [2020-07-17 14:03:20,028 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 56 [2020-07-17 14:03:21,639 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 140 DAG size of output: 98 [2020-07-17 14:03:23,205 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 140 DAG size of output: 98 [2020-07-17 14:03:23,513 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 56 [2020-07-17 14:03:23,915 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 57 [2020-07-17 14:03:25,173 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 103 DAG size of output: 77 [2020-07-17 14:03:30,037 WARN L193 SmtUtils]: Spent 4.86 s on a formula simplification. DAG size of input: 170 DAG size of output: 131 [2020-07-17 14:03:30,293 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-07-17 14:03:30,498 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-07-17 14:03:31,508 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 126 DAG size of output: 90 [2020-07-17 14:03:34,953 WARN L193 SmtUtils]: Spent 3.44 s on a formula simplification. DAG size of input: 161 DAG size of output: 123 [2020-07-17 14:03:35,166 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-07-17 14:03:36,009 WARN L193 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 87 [2020-07-17 14:03:37,496 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 139 DAG size of output: 98 [2020-07-17 14:03:39,679 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 151 DAG size of output: 113 [2020-07-17 14:03:40,017 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 57 [2020-07-17 14:03:40,402 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 57 [2020-07-17 14:03:40,727 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 56 [2020-07-17 14:03:42,382 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 140 DAG size of output: 98 [2020-07-17 14:03:42,740 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 56 [2020-07-17 14:03:43,099 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 56 [2020-07-17 14:03:44,811 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 140 DAG size of output: 98 [2020-07-17 14:03:45,151 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 56 [2020-07-17 14:03:46,891 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 140 DAG size of output: 98 [2020-07-17 14:03:48,479 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 140 DAG size of output: 98 [2020-07-17 14:03:48,863 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 56 [2020-07-17 14:03:49,349 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 59 [2020-07-17 14:03:49,637 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-07-17 14:03:50,290 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2020-07-17 14:03:50,949 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 61 [2020-07-17 14:03:51,186 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-07-17 14:03:51,445 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-07-17 14:03:52,550 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 98 DAG size of output: 72 [2020-07-17 14:03:53,245 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 61 [2020-07-17 14:03:54,526 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 126 DAG size of output: 90 [2020-07-17 14:03:55,328 WARN L193 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 77 [2020-07-17 14:03:58,477 WARN L193 SmtUtils]: Spent 3.15 s on a formula simplification. DAG size of input: 168 DAG size of output: 125 [2020-07-17 14:04:01,528 WARN L193 SmtUtils]: Spent 3.05 s on a formula simplification. DAG size of input: 167 DAG size of output: 125 [2020-07-17 14:04:03,173 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 140 DAG size of output: 98 [2020-07-17 14:04:03,540 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 56 [2020-07-17 14:04:03,849 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-07-17 14:04:04,549 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 72 [2020-07-17 14:04:04,985 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2020-07-17 14:04:08,529 WARN L193 SmtUtils]: Spent 3.54 s on a formula simplification. DAG size of input: 154 DAG size of output: 116 [2020-07-17 14:04:09,494 WARN L193 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 85 [2020-07-17 14:04:09,738 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-07-17 14:04:12,638 WARN L193 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 170 DAG size of output: 123 [2020-07-17 14:04:13,400 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 77 [2020-07-17 14:04:16,061 WARN L193 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 164 DAG size of output: 119 [2020-07-17 14:04:17,599 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 146 DAG size of output: 107 [2020-07-17 14:04:19,546 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 157 DAG size of output: 110 [2020-07-17 14:04:22,663 WARN L193 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 173 DAG size of output: 125 [2020-07-17 14:04:24,180 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 145 DAG size of output: 106 [2020-07-17 14:04:24,771 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 59 [2020-07-17 14:04:25,047 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-07-17 14:04:26,985 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 132 DAG size of output: 94 [2020-07-17 14:04:28,570 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 141 DAG size of output: 98 [2020-07-17 14:04:29,450 WARN L193 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 82 [2020-07-17 14:04:30,575 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 132 DAG size of output: 93 [2020-07-17 14:04:30,877 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 52 [2020-07-17 14:04:33,585 WARN L193 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 143 DAG size of output: 104 [2020-07-17 14:04:34,045 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 64 [2020-07-17 14:04:35,612 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 105 DAG size of output: 91 [2020-07-17 14:04:37,762 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 146 DAG size of output: 104 [2020-07-17 14:04:38,244 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 66 [2020-07-17 14:04:41,043 WARN L193 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 163 DAG size of output: 121 [2020-07-17 14:04:43,654 WARN L193 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 163 DAG size of output: 118 [2020-07-17 14:04:44,540 WARN L193 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 87 [2020-07-17 14:04:45,278 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 78 [2020-07-17 14:04:45,849 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2020-07-17 14:04:48,737 WARN L193 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 171 DAG size of output: 126 [2020-07-17 14:04:52,070 WARN L193 SmtUtils]: Spent 3.33 s on a formula simplification. DAG size of input: 166 DAG size of output: 128 [2020-07-17 14:04:54,337 WARN L193 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 163 DAG size of output: 110 [2020-07-17 14:04:54,525 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-07-17 14:04:54,916 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 59 [2020-07-17 14:04:55,220 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 66 [2020-07-17 14:04:57,558 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 176 DAG size of output: 127 [2020-07-17 14:04:57,706 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-07-17 14:04:58,291 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 84 [2020-07-17 14:04:59,141 WARN L193 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 88 [2020-07-17 14:04:59,519 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2020-07-17 14:05:00,607 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 140 DAG size of output: 98 [2020-07-17 14:05:00,857 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 57 [2020-07-17 14:05:01,081 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 56 [2020-07-17 14:05:01,302 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 56 [2020-07-17 14:05:02,387 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 140 DAG size of output: 98 [2020-07-17 14:05:02,607 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 56 [2020-07-17 14:05:03,788 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 140 DAG size of output: 98 [2020-07-17 14:05:04,894 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 140 DAG size of output: 98 [2020-07-17 14:05:05,101 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 56 [2020-07-17 14:05:07,061 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 174 DAG size of output: 126 [2020-07-17 14:05:09,209 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 174 DAG size of output: 127 [2020-07-17 14:05:09,359 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-07-17 14:05:09,514 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-07-17 14:05:09,658 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-07-17 14:05:09,805 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-07-17 14:05:10,189 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 59 [2020-07-17 14:05:12,275 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 174 DAG size of output: 127 [2020-07-17 14:05:13,359 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 148 DAG size of output: 109 [2020-07-17 14:05:13,730 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 62 [2020-07-17 14:05:14,147 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 61 [2020-07-17 14:05:14,723 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 86 [2020-07-17 14:05:15,746 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 137 DAG size of output: 97 [2020-07-17 14:05:16,603 WARN L193 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 90 [2020-07-17 14:05:19,447 WARN L193 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 165 DAG size of output: 127 [2020-07-17 14:05:19,857 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2020-07-17 14:05:20,168 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 59 [2020-07-17 14:05:21,473 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 139 DAG size of output: 101 [2020-07-17 14:05:21,888 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 61 [2020-07-17 14:05:22,074 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-07-17 14:05:22,297 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 53 [2020-07-17 14:05:24,459 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 176 DAG size of output: 133 [2020-07-17 14:05:24,608 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-07-17 14:05:26,672 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 175 DAG size of output: 127 [2020-07-17 14:05:28,899 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 177 DAG size of output: 133 [2020-07-17 14:05:29,117 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 53 [2020-07-17 14:05:29,271 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-07-17 14:05:29,791 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 77 [2020-07-17 14:05:30,655 WARN L193 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 90 [2020-07-17 14:05:31,267 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 89 [2020-07-17 14:05:32,802 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 158 DAG size of output: 117 [2020-07-17 14:05:33,221 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2020-07-17 14:05:33,382 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-07-17 14:05:33,820 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 61 [2020-07-17 14:05:35,342 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 154 DAG size of output: 113 [2020-07-17 14:05:36,812 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 142 DAG size of output: 103 [2020-07-17 14:05:37,358 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 82 [2020-07-17 14:05:39,105 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 160 DAG size of output: 118 [2020-07-17 14:05:39,254 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-07-17 14:05:39,463 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 53