/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label43.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-24 01:21:10,409 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 01:21:10,412 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 01:21:10,446 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-10-24 01:21:10,459 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 01:21:10,460 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 01:21:10,462 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 01:21:10,463 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 01:21:10,464 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 01:21:10,465 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 01:21:10,467 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 01:21:10,470 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 01:21:10,472 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 01:21:10,473 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 01:21:10,474 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 01:21:10,475 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 01:21:10,478 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-24 01:21:10,489 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 01:21:10,490 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 01:21:10,491 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 01:21:10,492 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-24 01:21:10,505 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 01:21:10,505 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 01:21:10,507 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 01:21:10,507 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 01:21:10,507 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 01:21:10,507 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 01:21:10,507 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 01:21:10,508 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 01:21:10,508 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 01:21:10,508 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 01:21:10,508 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 01:21:10,509 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 01:21:10,509 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 01:21:10,509 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 01:21:10,509 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 01:21:10,509 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-24 01:21:10,510 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 01:21:10,510 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 01:21:10,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 01:21:10,510 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 01:21:10,511 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-24 01:21:10,511 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 01:21:10,511 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-10-24 01:21:10,888 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 01:21:10,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 01:21:10,917 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 01:21:10,918 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 01:21:10,919 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 01:21:10,920 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label43.c [2020-10-24 01:21:11,005 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b3ac6555/47d56a4b31524223bc68a8c7f6cabf46/FLAG3fc923032 [2020-10-24 01:21:11,808 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 01:21:11,808 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label43.c [2020-10-24 01:21:11,820 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b3ac6555/47d56a4b31524223bc68a8c7f6cabf46/FLAG3fc923032 [2020-10-24 01:21:12,077 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b3ac6555/47d56a4b31524223bc68a8c7f6cabf46 [2020-10-24 01:21:12,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 01:21:12,097 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-24 01:21:12,099 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 01:21:12,099 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 01:21:12,103 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 01:21:12,104 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:21:12" (1/1) ... [2020-10-24 01:21:12,107 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44801755 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:21:12, skipping insertion in model container [2020-10-24 01:21:12,108 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:21:12" (1/1) ... [2020-10-24 01:21:12,116 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 01:21:12,161 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 01:21:12,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 01:21:12,576 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 01:21:12,685 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 01:21:12,707 INFO L208 MainTranslator]: Completed translation [2020-10-24 01:21:12,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:21:12 WrapperNode [2020-10-24 01:21:12,708 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 01:21:12,709 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 01:21:12,709 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 01:21:12,709 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 01:21:12,723 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:21:12" (1/1) ... [2020-10-24 01:21:12,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:21:12" (1/1) ... [2020-10-24 01:21:12,745 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:21:12" (1/1) ... [2020-10-24 01:21:12,746 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:21:12" (1/1) ... [2020-10-24 01:21:12,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:21:12" (1/1) ... [2020-10-24 01:21:12,840 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:21:12" (1/1) ... [2020-10-24 01:21:12,855 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:21:12" (1/1) ... [2020-10-24 01:21:12,868 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 01:21:12,869 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 01:21:12,869 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 01:21:12,869 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 01:21:12,870 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:21:12" (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 [2020-10-24 01:21:12,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-24 01:21:12,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 01:21:12,954 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-24 01:21:12,954 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-24 01:21:12,955 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-24 01:21:12,955 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-24 01:21:12,955 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-24 01:21:12,956 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-24 01:21:12,956 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-24 01:21:12,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 01:21:12,956 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-24 01:21:12,956 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-24 01:21:12,957 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-24 01:21:12,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-24 01:21:12,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 01:21:12,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 01:21:12,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 01:21:12,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 01:21:12,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 01:21:14,466 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 01:21:14,467 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-24 01:21:14,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:21:14 BoogieIcfgContainer [2020-10-24 01:21:14,470 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 01:21:14,472 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 01:21:14,472 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 01:21:14,476 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 01:21:14,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 01:21:12" (1/3) ... [2020-10-24 01:21:14,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e8f2438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:21:14, skipping insertion in model container [2020-10-24 01:21:14,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:21:12" (2/3) ... [2020-10-24 01:21:14,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e8f2438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:21:14, skipping insertion in model container [2020-10-24 01:21:14,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:21:14" (3/3) ... [2020-10-24 01:21:14,480 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label43.c [2020-10-24 01:21:14,493 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-24 01:21:14,499 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 01:21:14,514 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 01:21:14,540 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 01:21:14,541 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 01:21:14,541 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-24 01:21:14,541 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 01:21:14,541 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 01:21:14,541 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 01:21:14,541 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 01:21:14,542 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 01:21:14,570 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states. [2020-10-24 01:21:14,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-10-24 01:21:14,599 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:21:14,600 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:21:14,601 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:21:14,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:21:14,614 INFO L82 PathProgramCache]: Analyzing trace with hash -115806922, now seen corresponding path program 1 times [2020-10-24 01:21:14,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:21:14,627 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1065917313] [2020-10-24 01:21:14,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:21:14,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:21:15,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:21:15,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:21:15,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 01:21:15,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1065917313] [2020-10-24 01:21:15,408 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 01:21:15,409 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-24 01:21:15,410 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127570665] [2020-10-24 01:21:15,416 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-24 01:21:15,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:21:15,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-24 01:21:15,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-24 01:21:15,434 INFO L87 Difference]: Start difference. First operand 537 states. Second operand 4 states. [2020-10-24 01:21:18,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:21:18,211 INFO L93 Difference]: Finished difference Result 1248 states and 1647 transitions. [2020-10-24 01:21:18,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-24 01:21:18,213 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 165 [2020-10-24 01:21:18,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:21:18,240 INFO L225 Difference]: With dead ends: 1248 [2020-10-24 01:21:18,240 INFO L226 Difference]: Without dead ends: 670 [2020-10-24 01:21:18,261 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-24 01:21:18,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 670 states. [2020-10-24 01:21:18,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 670 to 614. [2020-10-24 01:21:18,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 614 states. [2020-10-24 01:21:18,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 724 transitions. [2020-10-24 01:21:18,506 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 724 transitions. Word has length 165 [2020-10-24 01:21:18,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:21:18,508 INFO L481 AbstractCegarLoop]: Abstraction has 614 states and 724 transitions. [2020-10-24 01:21:18,508 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-24 01:21:18,508 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 724 transitions. [2020-10-24 01:21:18,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-10-24 01:21:18,516 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:21:18,516 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:21:18,517 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 01:21:18,517 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:21:18,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:21:18,518 INFO L82 PathProgramCache]: Analyzing trace with hash 1469921190, now seen corresponding path program 1 times [2020-10-24 01:21:18,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:21:18,518 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [759991311] [2020-10-24 01:21:18,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:21:18,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:21:18,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:21:18,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:21:18,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-24 01:21:18,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:21:18,903 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 01:21:18,904 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [759991311] [2020-10-24 01:21:18,904 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:21:18,904 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-24 01:21:18,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842222735] [2020-10-24 01:21:18,906 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-24 01:21:18,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:21:18,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-24 01:21:18,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-24 01:21:18,908 INFO L87 Difference]: Start difference. First operand 614 states and 724 transitions. Second operand 5 states. [2020-10-24 01:21:19,099 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-24 01:21:21,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:21:21,482 INFO L93 Difference]: Finished difference Result 1534 states and 1885 transitions. [2020-10-24 01:21:21,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-24 01:21:21,484 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 182 [2020-10-24 01:21:21,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:21:21,497 INFO L225 Difference]: With dead ends: 1534 [2020-10-24 01:21:21,497 INFO L226 Difference]: Without dead ends: 952 [2020-10-24 01:21:21,501 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-24 01:21:21,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 952 states. [2020-10-24 01:21:21,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 952 to 900. [2020-10-24 01:21:21,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 900 states. [2020-10-24 01:21:21,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1081 transitions. [2020-10-24 01:21:21,647 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1081 transitions. Word has length 182 [2020-10-24 01:21:21,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:21:21,648 INFO L481 AbstractCegarLoop]: Abstraction has 900 states and 1081 transitions. [2020-10-24 01:21:21,648 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-24 01:21:21,665 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1081 transitions. [2020-10-24 01:21:21,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-10-24 01:21:21,670 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:21:21,671 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:21:21,671 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 01:21:21,671 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:21:21,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:21:21,672 INFO L82 PathProgramCache]: Analyzing trace with hash -144863715, now seen corresponding path program 1 times [2020-10-24 01:21:21,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:21:21,673 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [551759093] [2020-10-24 01:21:21,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:21:21,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:21:21,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:21:21,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:21:21,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-24 01:21:21,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:21:21,990 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 01:21:21,990 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [551759093] [2020-10-24 01:21:21,991 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 01:21:21,991 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-24 01:21:21,991 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710212083] [2020-10-24 01:21:21,992 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 01:21:21,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:21:21,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 01:21:21,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-24 01:21:21,994 INFO L87 Difference]: Start difference. First operand 900 states and 1081 transitions. Second operand 8 states. [2020-10-24 01:21:22,232 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-24 01:21:22,628 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-24 01:21:26,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:21:26,146 INFO L93 Difference]: Finished difference Result 2854 states and 3677 transitions. [2020-10-24 01:21:26,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-24 01:21:26,147 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 187 [2020-10-24 01:21:26,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:21:26,171 INFO L225 Difference]: With dead ends: 2854 [2020-10-24 01:21:26,171 INFO L226 Difference]: Without dead ends: 1986 [2020-10-24 01:21:26,179 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-10-24 01:21:26,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1986 states. [2020-10-24 01:21:26,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1986 to 1488. [2020-10-24 01:21:26,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1488 states. [2020-10-24 01:21:26,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1488 states to 1488 states and 1817 transitions. [2020-10-24 01:21:26,533 INFO L78 Accepts]: Start accepts. Automaton has 1488 states and 1817 transitions. Word has length 187 [2020-10-24 01:21:26,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:21:26,533 INFO L481 AbstractCegarLoop]: Abstraction has 1488 states and 1817 transitions. [2020-10-24 01:21:26,533 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 01:21:26,533 INFO L276 IsEmpty]: Start isEmpty. Operand 1488 states and 1817 transitions. [2020-10-24 01:21:26,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2020-10-24 01:21:26,545 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:21:26,545 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:21:26,546 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-24 01:21:26,546 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:21:26,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:21:26,547 INFO L82 PathProgramCache]: Analyzing trace with hash -1393331669, now seen corresponding path program 1 times [2020-10-24 01:21:26,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:21:26,547 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1393096182] [2020-10-24 01:21:26,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:21:26,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:21:26,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:21:26,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:21:26,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-24 01:21:26,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:21:26,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-24 01:21:26,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:21:26,899 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 51 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-24 01:21:26,900 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1393096182] [2020-10-24 01:21:26,901 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:21:26,901 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-24 01:21:26,901 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548948929] [2020-10-24 01:21:26,902 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-24 01:21:26,902 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:21:26,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-24 01:21:26,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-24 01:21:26,904 INFO L87 Difference]: Start difference. First operand 1488 states and 1817 transitions. Second operand 7 states. [2020-10-24 01:21:27,107 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-24 01:21:29,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:21:29,985 INFO L93 Difference]: Finished difference Result 3354 states and 4236 transitions. [2020-10-24 01:21:29,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-24 01:21:29,986 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 227 [2020-10-24 01:21:29,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:21:30,005 INFO L225 Difference]: With dead ends: 3354 [2020-10-24 01:21:30,006 INFO L226 Difference]: Without dead ends: 1898 [2020-10-24 01:21:30,013 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-24 01:21:30,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1898 states. [2020-10-24 01:21:30,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1898 to 1668. [2020-10-24 01:21:30,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1668 states. [2020-10-24 01:21:30,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1668 states to 1668 states and 2046 transitions. [2020-10-24 01:21:30,438 INFO L78 Accepts]: Start accepts. Automaton has 1668 states and 2046 transitions. Word has length 227 [2020-10-24 01:21:30,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:21:30,439 INFO L481 AbstractCegarLoop]: Abstraction has 1668 states and 2046 transitions. [2020-10-24 01:21:30,439 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-24 01:21:30,439 INFO L276 IsEmpty]: Start isEmpty. Operand 1668 states and 2046 transitions. [2020-10-24 01:21:30,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2020-10-24 01:21:30,448 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:21:30,449 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:21:30,449 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-24 01:21:30,449 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:21:30,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:21:30,450 INFO L82 PathProgramCache]: Analyzing trace with hash 419321260, now seen corresponding path program 1 times [2020-10-24 01:21:30,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:21:30,450 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [492502132] [2020-10-24 01:21:30,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:21:30,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:21:30,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:21:30,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:21:30,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-24 01:21:30,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:21:30,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-24 01:21:30,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:21:30,765 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 72 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-24 01:21:30,766 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [492502132] [2020-10-24 01:21:30,766 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:21:30,766 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-24 01:21:30,767 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342564436] [2020-10-24 01:21:30,767 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-24 01:21:30,768 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:21:30,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-24 01:21:30,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-24 01:21:30,768 INFO L87 Difference]: Start difference. First operand 1668 states and 2046 transitions. Second operand 7 states. [2020-10-24 01:21:33,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:21:33,920 INFO L93 Difference]: Finished difference Result 4240 states and 5368 transitions. [2020-10-24 01:21:33,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-24 01:21:33,921 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 249 [2020-10-24 01:21:33,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:21:33,943 INFO L225 Difference]: With dead ends: 4240 [2020-10-24 01:21:33,943 INFO L226 Difference]: Without dead ends: 2604 [2020-10-24 01:21:33,952 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-24 01:21:33,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2604 states. [2020-10-24 01:21:34,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2604 to 2335. [2020-10-24 01:21:34,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2335 states. [2020-10-24 01:21:34,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2335 states to 2335 states and 2864 transitions. [2020-10-24 01:21:34,493 INFO L78 Accepts]: Start accepts. Automaton has 2335 states and 2864 transitions. Word has length 249 [2020-10-24 01:21:34,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:21:34,494 INFO L481 AbstractCegarLoop]: Abstraction has 2335 states and 2864 transitions. [2020-10-24 01:21:34,494 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-24 01:21:34,494 INFO L276 IsEmpty]: Start isEmpty. Operand 2335 states and 2864 transitions. [2020-10-24 01:21:34,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2020-10-24 01:21:34,508 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:21:34,508 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:21:34,508 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-24 01:21:34,509 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:21:34,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:21:34,509 INFO L82 PathProgramCache]: Analyzing trace with hash -1685525489, now seen corresponding path program 1 times [2020-10-24 01:21:34,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:21:34,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1873362413] [2020-10-24 01:21:34,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:21:34,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:21:34,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:21:34,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:21:34,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-24 01:21:34,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:21:34,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-24 01:21:34,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:21:34,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-24 01:21:34,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:21:34,949 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 102 proven. 14 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-24 01:21:34,952 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1873362413] [2020-10-24 01:21:34,953 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:21:34,954 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-24 01:21:34,954 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822197512] [2020-10-24 01:21:34,955 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 01:21:34,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:21:34,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 01:21:34,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-24 01:21:34,956 INFO L87 Difference]: Start difference. First operand 2335 states and 2864 transitions. Second operand 8 states. [2020-10-24 01:21:35,376 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-10-24 01:21:36,911 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-24 01:21:39,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:21:39,936 INFO L93 Difference]: Finished difference Result 5919 states and 7356 transitions. [2020-10-24 01:21:39,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-24 01:21:39,937 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 272 [2020-10-24 01:21:39,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:21:39,959 INFO L225 Difference]: With dead ends: 5919 [2020-10-24 01:21:39,959 INFO L226 Difference]: Without dead ends: 3185 [2020-10-24 01:21:39,971 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-10-24 01:21:39,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3185 states. [2020-10-24 01:21:40,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3185 to 3177. [2020-10-24 01:21:40,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3177 states. [2020-10-24 01:21:40,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3177 states to 3177 states and 3723 transitions. [2020-10-24 01:21:40,658 INFO L78 Accepts]: Start accepts. Automaton has 3177 states and 3723 transitions. Word has length 272 [2020-10-24 01:21:40,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:21:40,659 INFO L481 AbstractCegarLoop]: Abstraction has 3177 states and 3723 transitions. [2020-10-24 01:21:40,659 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 01:21:40,659 INFO L276 IsEmpty]: Start isEmpty. Operand 3177 states and 3723 transitions. [2020-10-24 01:21:40,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2020-10-24 01:21:40,675 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:21:40,675 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2020-10-24 01:21:40,675 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-24 01:21:40,676 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:21:40,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:21:40,676 INFO L82 PathProgramCache]: Analyzing trace with hash -979964575, now seen corresponding path program 1 times [2020-10-24 01:21:40,676 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:21:40,677 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [925939092] [2020-10-24 01:21:40,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:21:40,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:21:40,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:21:40,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:21:40,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-24 01:21:40,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:21:40,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-24 01:21:40,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:21:41,146 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 93 proven. 28 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-24 01:21:41,146 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [925939092] [2020-10-24 01:21:41,146 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:21:41,147 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-24 01:21:41,147 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335201217] [2020-10-24 01:21:41,148 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 01:21:41,148 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:21:41,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 01:21:41,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-24 01:21:41,149 INFO L87 Difference]: Start difference. First operand 3177 states and 3723 transitions. Second operand 8 states. [2020-10-24 01:21:41,354 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-24 01:21:41,633 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-24 01:21:41,959 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-10-24 01:21:45,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:21:45,143 INFO L93 Difference]: Finished difference Result 6386 states and 7510 transitions. [2020-10-24 01:21:45,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-24 01:21:45,144 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 275 [2020-10-24 01:21:45,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:21:45,163 INFO L225 Difference]: With dead ends: 6386 [2020-10-24 01:21:45,163 INFO L226 Difference]: Without dead ends: 3382 [2020-10-24 01:21:45,173 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2020-10-24 01:21:45,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3382 states. [2020-10-24 01:21:45,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3382 to 2339. [2020-10-24 01:21:45,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2339 states. [2020-10-24 01:21:45,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2339 states to 2339 states and 2693 transitions. [2020-10-24 01:21:45,721 INFO L78 Accepts]: Start accepts. Automaton has 2339 states and 2693 transitions. Word has length 275 [2020-10-24 01:21:45,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:21:45,721 INFO L481 AbstractCegarLoop]: Abstraction has 2339 states and 2693 transitions. [2020-10-24 01:21:45,721 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 01:21:45,722 INFO L276 IsEmpty]: Start isEmpty. Operand 2339 states and 2693 transitions. [2020-10-24 01:21:45,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2020-10-24 01:21:45,733 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:21:45,734 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:21:45,734 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-24 01:21:45,734 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:21:45,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:21:45,735 INFO L82 PathProgramCache]: Analyzing trace with hash -1238436911, now seen corresponding path program 1 times [2020-10-24 01:21:45,735 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:21:45,735 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1831303306] [2020-10-24 01:21:45,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:21:45,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:21:45,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:21:45,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:21:45,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-24 01:21:45,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:21:45,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-24 01:21:45,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:21:45,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-24 01:21:46,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:21:46,123 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 123 proven. 32 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-24 01:21:46,124 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1831303306] [2020-10-24 01:21:46,124 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:21:46,124 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-24 01:21:46,124 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040280627] [2020-10-24 01:21:46,125 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 01:21:46,125 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:21:46,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 01:21:46,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-24 01:21:46,126 INFO L87 Difference]: Start difference. First operand 2339 states and 2693 transitions. Second operand 8 states. [2020-10-24 01:21:47,508 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-10-24 01:21:49,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:21:49,859 INFO L93 Difference]: Finished difference Result 4725 states and 5461 transitions. [2020-10-24 01:21:49,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-24 01:21:49,860 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 292 [2020-10-24 01:21:49,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:21:49,875 INFO L225 Difference]: With dead ends: 4725 [2020-10-24 01:21:49,875 INFO L226 Difference]: Without dead ends: 2559 [2020-10-24 01:21:49,887 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-10-24 01:21:49,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2559 states. [2020-10-24 01:21:50,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2559 to 2489. [2020-10-24 01:21:50,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2489 states. [2020-10-24 01:21:50,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2489 states to 2489 states and 2850 transitions. [2020-10-24 01:21:50,423 INFO L78 Accepts]: Start accepts. Automaton has 2489 states and 2850 transitions. Word has length 292 [2020-10-24 01:21:50,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:21:50,424 INFO L481 AbstractCegarLoop]: Abstraction has 2489 states and 2850 transitions. [2020-10-24 01:21:50,424 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 01:21:50,427 INFO L276 IsEmpty]: Start isEmpty. Operand 2489 states and 2850 transitions. [2020-10-24 01:21:50,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2020-10-24 01:21:50,437 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:21:50,438 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:21:50,438 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-24 01:21:50,438 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:21:50,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:21:50,440 INFO L82 PathProgramCache]: Analyzing trace with hash 718111141, now seen corresponding path program 1 times [2020-10-24 01:21:50,440 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:21:50,440 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [781902233] [2020-10-24 01:21:50,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:21:50,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:21:50,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:21:50,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:21:50,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-24 01:21:50,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:21:50,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-24 01:21:50,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:21:50,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-24 01:21:50,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:21:50,865 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 129 proven. 21 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-10-24 01:21:50,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [781902233] [2020-10-24 01:21:50,867 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:21:50,867 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-24 01:21:50,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769385014] [2020-10-24 01:21:50,868 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-24 01:21:50,868 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:21:50,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-24 01:21:50,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-24 01:21:50,869 INFO L87 Difference]: Start difference. First operand 2489 states and 2850 transitions. Second operand 11 states. [2020-10-24 01:21:51,313 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 93 [2020-10-24 01:21:53,842 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 91 [2020-10-24 01:21:57,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:21:57,448 INFO L93 Difference]: Finished difference Result 6737 states and 7721 transitions. [2020-10-24 01:21:57,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-10-24 01:21:57,449 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 301 [2020-10-24 01:21:57,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:21:57,470 INFO L225 Difference]: With dead ends: 6737 [2020-10-24 01:21:57,471 INFO L226 Difference]: Without dead ends: 4421 [2020-10-24 01:21:57,478 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 402 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=312, Invalid=1170, Unknown=0, NotChecked=0, Total=1482 [2020-10-24 01:21:57,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4421 states. [2020-10-24 01:21:58,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4421 to 4336. [2020-10-24 01:21:58,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4336 states. [2020-10-24 01:21:58,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4336 states to 4336 states and 4887 transitions. [2020-10-24 01:21:58,452 INFO L78 Accepts]: Start accepts. Automaton has 4336 states and 4887 transitions. Word has length 301 [2020-10-24 01:21:58,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:21:58,452 INFO L481 AbstractCegarLoop]: Abstraction has 4336 states and 4887 transitions. [2020-10-24 01:21:58,453 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-24 01:21:58,453 INFO L276 IsEmpty]: Start isEmpty. Operand 4336 states and 4887 transitions. [2020-10-24 01:21:58,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2020-10-24 01:21:58,464 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:21:58,464 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-24 01:21:58,465 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-24 01:21:58,465 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:21:58,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:21:58,465 INFO L82 PathProgramCache]: Analyzing trace with hash 1213243700, now seen corresponding path program 1 times [2020-10-24 01:21:58,466 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:21:58,466 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1176867372] [2020-10-24 01:21:58,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:21:58,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:21:58,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:21:58,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:21:58,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-24 01:21:58,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:21:58,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-24 01:21:58,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:21:58,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-24 01:21:58,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:21:59,349 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 124 proven. 33 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-10-24 01:21:59,350 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1176867372] [2020-10-24 01:21:59,350 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:21:59,350 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-24 01:21:59,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241378116] [2020-10-24 01:21:59,351 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-24 01:21:59,351 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:21:59,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-24 01:21:59,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2020-10-24 01:21:59,352 INFO L87 Difference]: Start difference. First operand 4336 states and 4887 transitions. Second operand 15 states. [2020-10-24 01:21:59,656 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 94 [2020-10-24 01:22:00,118 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2020-10-24 01:22:01,042 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 96 [2020-10-24 01:22:01,923 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 97 [2020-10-24 01:22:02,463 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-24 01:22:03,088 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-24 01:22:03,574 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 100 [2020-10-24 01:22:04,577 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-24 01:22:05,375 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 98 [2020-10-24 01:22:05,683 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 96 [2020-10-24 01:22:06,559 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-24 01:22:06,931 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 97 [2020-10-24 01:22:08,232 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-24 01:22:09,733 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2020-10-24 01:22:11,027 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2020-10-24 01:22:11,447 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 101 [2020-10-24 01:22:14,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:22:14,080 INFO L93 Difference]: Finished difference Result 11030 states and 12673 transitions. [2020-10-24 01:22:14,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2020-10-24 01:22:14,080 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 307 [2020-10-24 01:22:14,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:22:14,117 INFO L225 Difference]: With dead ends: 11030 [2020-10-24 01:22:14,117 INFO L226 Difference]: Without dead ends: 6392 [2020-10-24 01:22:14,132 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 948 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=830, Invalid=2476, Unknown=0, NotChecked=0, Total=3306 [2020-10-24 01:22:14,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6392 states. [2020-10-24 01:22:15,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6392 to 6319. [2020-10-24 01:22:15,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6319 states. [2020-10-24 01:22:15,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6319 states to 6319 states and 6958 transitions. [2020-10-24 01:22:15,521 INFO L78 Accepts]: Start accepts. Automaton has 6319 states and 6958 transitions. Word has length 307 [2020-10-24 01:22:15,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:22:15,522 INFO L481 AbstractCegarLoop]: Abstraction has 6319 states and 6958 transitions. [2020-10-24 01:22:15,522 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-24 01:22:15,522 INFO L276 IsEmpty]: Start isEmpty. Operand 6319 states and 6958 transitions. [2020-10-24 01:22:15,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2020-10-24 01:22:15,539 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:22:15,539 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:22:15,539 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-24 01:22:15,539 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:22:15,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:22:15,540 INFO L82 PathProgramCache]: Analyzing trace with hash 242852760, now seen corresponding path program 1 times [2020-10-24 01:22:15,540 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:22:15,540 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1872986410] [2020-10-24 01:22:15,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:22:15,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:22:15,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:22:15,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:22:15,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-24 01:22:15,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:22:15,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-24 01:22:15,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:22:15,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-24 01:22:15,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:22:15,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-24 01:22:15,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:22:16,056 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 198 proven. 28 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-10-24 01:22:16,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1872986410] [2020-10-24 01:22:16,058 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:22:16,058 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-24 01:22:16,058 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425714333] [2020-10-24 01:22:16,059 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-24 01:22:16,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:22:16,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-24 01:22:16,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-24 01:22:16,060 INFO L87 Difference]: Start difference. First operand 6319 states and 6958 transitions. Second operand 10 states. [2020-10-24 01:22:16,395 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-24 01:22:17,577 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 94 [2020-10-24 01:22:17,966 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-24 01:22:21,182 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-10-24 01:22:23,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:22:23,962 INFO L93 Difference]: Finished difference Result 14495 states and 16059 transitions. [2020-10-24 01:22:23,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-24 01:22:23,963 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 344 [2020-10-24 01:22:23,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:22:23,976 INFO L225 Difference]: With dead ends: 14495 [2020-10-24 01:22:23,977 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 01:22:24,011 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 353 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=279, Invalid=1053, Unknown=0, NotChecked=0, Total=1332 [2020-10-24 01:22:24,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 01:22:24,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 01:22:24,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 01:22:24,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 01:22:24,013 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 344 [2020-10-24 01:22:24,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:22:24,013 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 01:22:24,013 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-24 01:22:24,013 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 01:22:24,013 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 01:22:24,013 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-24 01:22:24,016 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 01:22:25,641 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 102 [2020-10-24 01:22:26,005 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 103 [2020-10-24 01:22:35,356 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 126 [2020-10-24 01:22:35,469 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 126 [2020-10-24 01:22:35,587 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 126 [2020-10-24 01:22:48,397 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 227 [2020-10-24 01:23:14,396 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 227 [2020-10-24 01:23:16,096 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 227 [2020-10-24 01:23:16,273 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 227 [2020-10-24 01:23:30,755 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 227 [2020-10-24 01:24:34,683 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 227 [2020-10-24 01:25:10,841 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 227 [2020-10-24 01:25:11,021 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 227 [2020-10-24 01:25:11,192 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 227 [2020-10-24 01:25:13,328 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 227 [2020-10-24 01:25:23,237 WARN L193 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 62 [2020-10-24 01:25:25,265 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-10-24 01:25:27,232 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-10-24 01:25:29,240 WARN L193 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-10-24 01:25:30,046 WARN L193 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 62 [2020-10-24 01:25:30,812 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 62 [2020-10-24 01:25:31,588 WARN L193 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 62 [2020-10-24 01:25:33,613 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-10-24 01:25:34,430 WARN L193 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 62 [2020-10-24 01:25:36,452 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-10-24 01:25:37,287 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 65 [2020-10-24 01:25:38,170 WARN L193 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 67 [2020-10-24 01:25:38,865 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 60 [2020-10-24 01:25:39,768 WARN L193 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 64 [2020-10-24 01:25:40,436 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 56 [2020-10-24 01:25:41,228 WARN L193 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 63 [2020-10-24 01:25:43,354 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:25:45,177 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 229 DAG size of output: 76 [2020-10-24 01:25:46,354 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 199 DAG size of output: 68 [2020-10-24 01:25:48,512 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:25:50,646 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:25:51,338 WARN L193 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 59 [2020-10-24 01:25:52,037 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 60 [2020-10-24 01:25:52,816 WARN L193 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 61 [2020-10-24 01:25:53,662 WARN L193 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 67 [2020-10-24 01:25:55,832 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:25:56,469 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 60 [2020-10-24 01:25:57,320 WARN L193 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 62 [2020-10-24 01:25:57,997 WARN L193 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 59 [2020-10-24 01:25:59,618 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 214 DAG size of output: 69 [2020-10-24 01:26:00,304 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 59 [2020-10-24 01:26:01,512 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 164 DAG size of output: 76 [2020-10-24 01:26:03,660 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:26:04,559 WARN L193 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 67 [2020-10-24 01:26:06,722 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:26:07,422 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 60 [2020-10-24 01:26:08,256 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 59 [2020-10-24 01:26:09,012 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 65 [2020-10-24 01:26:11,204 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:26:12,162 WARN L193 SmtUtils]: Spent 944.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 67 [2020-10-24 01:26:12,847 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 59 [2020-10-24 01:26:13,503 WARN L193 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 58 [2020-10-24 01:26:14,252 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 58 [2020-10-24 01:26:15,591 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 175 DAG size of output: 77 [2020-10-24 01:26:16,246 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 58 [2020-10-24 01:26:17,099 WARN L193 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 58 [2020-10-24 01:26:19,261 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:26:20,339 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 154 DAG size of output: 73 [2020-10-24 01:26:21,504 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 199 DAG size of output: 65 [2020-10-24 01:26:22,710 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 164 DAG size of output: 75 [2020-10-24 01:26:23,390 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 59 [2020-10-24 01:26:24,132 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 64 [2020-10-24 01:26:25,423 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 211 DAG size of output: 72 [2020-10-24 01:26:26,063 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 58 [2020-10-24 01:26:26,910 WARN L193 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 65 [2020-10-24 01:26:27,653 WARN L193 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 64 [2020-10-24 01:26:28,398 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 60 [2020-10-24 01:26:30,598 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:26:31,477 WARN L193 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 58 [2020-10-24 01:26:32,587 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 203 DAG size of output: 58 [2020-10-24 01:26:33,432 WARN L193 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 62 [2020-10-24 01:26:34,075 WARN L193 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 60 [2020-10-24 01:26:36,270 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:26:36,907 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 60 [2020-10-24 01:26:37,691 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 62 [2020-10-24 01:26:39,707 WARN L193 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-10-24 01:26:41,728 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-10-24 01:26:43,792 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-10-24 01:26:44,622 WARN L193 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 62 [2020-10-24 01:26:45,447 WARN L193 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 62 [2020-10-24 01:26:46,258 WARN L193 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 62 [2020-10-24 01:26:48,266 WARN L193 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-10-24 01:26:50,429 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:26:51,077 WARN L193 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 60 [2020-10-24 01:26:52,425 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 175 DAG size of output: 73 [2020-10-24 01:26:54,595 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:26:55,352 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 64 [2020-10-24 01:26:56,873 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 204 DAG size of output: 68 [2020-10-24 01:26:57,816 WARN L193 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 64 [2020-10-24 01:26:58,547 WARN L193 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 62 [2020-10-24 01:26:59,355 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 63 [2020-10-24 01:27:00,918 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 207 DAG size of output: 68 [2020-10-24 01:27:02,374 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 220 DAG size of output: 77 [2020-10-24 01:27:03,054 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 58 [2020-10-24 01:27:04,060 WARN L193 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 60 [2020-10-24 01:27:04,761 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 66 [2020-10-24 01:27:06,945 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:27:07,984 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 154 DAG size of output: 71 [2020-10-24 01:27:08,682 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 62 [2020-10-24 01:27:09,340 WARN L193 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 60 [2020-10-24 01:27:10,393 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 156 DAG size of output: 72 [2020-10-24 01:27:11,125 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 61 [2020-10-24 01:27:11,956 WARN L193 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 62 [2020-10-24 01:27:12,600 WARN L193 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 58 [2020-10-24 01:27:14,830 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:27:17,060 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:27:17,882 WARN L193 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 62 [2020-10-24 01:27:19,887 WARN L193 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-10-24 01:27:21,853 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-10-24 01:27:23,807 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-10-24 01:27:24,570 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 62 [2020-10-24 01:27:25,314 WARN L193 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 60 [2020-10-24 01:27:26,890 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 166 DAG size of output: 74 [2020-10-24 01:27:28,998 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:27:29,744 WARN L193 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 63 [2020-10-24 01:27:30,362 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 61 [2020-10-24 01:27:31,280 WARN L193 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 63 [2020-10-24 01:27:33,424 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 221 DAG size of output: 74 [2020-10-24 01:27:34,595 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 199 DAG size of output: 68 [2020-10-24 01:27:35,703 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 158 DAG size of output: 69 [2020-10-24 01:27:36,897 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 162 DAG size of output: 74 [2020-10-24 01:27:37,578 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 58 [2020-10-24 01:27:38,296 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 64 [2020-10-24 01:27:39,382 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 161 DAG size of output: 66 [2020-10-24 01:27:41,506 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:27:42,317 WARN L193 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 65 [2020-10-24 01:27:44,434 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:27:45,222 WARN L193 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 63 [2020-10-24 01:27:46,018 WARN L193 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 62 [2020-10-24 01:27:46,784 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 62 [2020-10-24 01:27:48,756 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-10-24 01:27:49,733 WARN L193 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 67 [2020-10-24 01:27:51,233 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 163 DAG size of output: 70 [2020-10-24 01:27:53,356 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:27:54,228 WARN L193 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 62 [2020-10-24 01:27:54,908 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 60 [2020-10-24 01:27:55,619 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 62 [2020-10-24 01:27:56,676 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 155 DAG size of output: 73 [2020-10-24 01:27:57,359 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 63 [2020-10-24 01:27:58,036 WARN L193 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 59 [2020-10-24 01:28:00,160 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:28:01,018 WARN L193 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 60 [2020-10-24 01:28:01,917 WARN L193 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 63 [2020-10-24 01:28:02,671 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 61 [2020-10-24 01:28:03,335 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 59 [2020-10-24 01:28:04,103 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 63 [2020-10-24 01:28:04,869 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 64 [2020-10-24 01:28:05,564 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 63 [2020-10-24 01:28:06,568 WARN L193 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 70 [2020-10-24 01:28:07,598 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 151 DAG size of output: 66 [2020-10-24 01:28:08,952 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 176 DAG size of output: 76 [2020-10-24 01:28:10,235 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 220 DAG size of output: 77 [2020-10-24 01:28:10,906 WARN L193 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 63 [2020-10-24 01:28:11,618 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 65 [2020-10-24 01:28:12,323 WARN L193 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 63 [2020-10-24 01:28:13,453 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 171 DAG size of output: 68 [2020-10-24 01:28:14,131 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 62 [2020-10-24 01:28:14,912 WARN L193 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 62 [2020-10-24 01:28:15,991 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 203 DAG size of output: 58 [2020-10-24 01:28:17,978 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-10-24 01:28:19,971 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-10-24 01:28:21,046 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 203 DAG size of output: 58 [2020-10-24 01:28:22,129 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 203 DAG size of output: 58 [2020-10-24 01:28:22,911 WARN L193 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 62 [2020-10-24 01:28:23,723 WARN L193 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 64 [2020-10-24 01:28:25,867 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:28:26,556 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 61 [2020-10-24 01:28:27,575 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 160 DAG size of output: 70 [2020-10-24 01:28:28,297 WARN L193 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 61 [2020-10-24 01:28:30,290 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-10-24 01:28:32,440 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:28:33,769 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 206 DAG size of output: 72 [2020-10-24 01:28:34,448 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 58 [2020-10-24 01:28:36,451 WARN L193 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-10-24 01:28:37,254 WARN L193 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 62 [2020-10-24 01:28:38,056 WARN L193 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 62 [2020-10-24 01:28:38,842 WARN L193 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 62 [2020-10-24 01:28:40,852 WARN L193 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-10-24 01:28:41,662 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 62 [2020-10-24 01:28:42,469 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 62 [2020-10-24 01:28:44,468 WARN L193 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-10-24 01:28:45,260 WARN L193 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 62 [2020-10-24 01:28:47,269 WARN L193 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-10-24 01:28:48,075 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 62 [2020-10-24 01:28:48,747 WARN L193 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 59 [2020-10-24 01:28:49,426 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 57 [2020-10-24 01:28:50,093 WARN L193 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 60 [2020-10-24 01:28:52,252 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:28:53,577 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 206 DAG size of output: 72 [2020-10-24 01:28:55,740 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:28:56,709 WARN L193 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 67 [2020-10-24 01:28:57,571 WARN L193 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 61 [2020-10-24 01:28:58,359 WARN L193 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 62 [2020-10-24 01:29:00,369 WARN L193 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-10-24 01:29:02,537 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:29:03,233 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 58 [2020-10-24 01:29:03,941 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 59 [2020-10-24 01:29:05,945 WARN L193 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-10-24 01:29:06,729 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 62 [2020-10-24 01:29:07,873 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 203 DAG size of output: 58 [2020-10-24 01:29:08,616 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 61 [2020-10-24 01:29:10,288 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 215 DAG size of output: 69 [2020-10-24 01:29:10,996 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 62 [2020-10-24 01:29:11,684 WARN L193 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 63 [2020-10-24 01:29:13,864 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:29:16,033 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:29:16,944 WARN L193 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 62 [2020-10-24 01:29:17,687 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 66 [2020-10-24 01:29:18,382 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 58 [2020-10-24 01:29:19,096 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 61 [2020-10-24 01:29:19,798 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 63 [2020-10-24 01:29:20,456 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 56 [2020-10-24 01:29:21,795 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 206 DAG size of output: 72 [2020-10-24 01:29:22,581 WARN L193 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 62 [2020-10-24 01:29:23,527 WARN L193 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 63 [2020-10-24 01:29:24,222 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 59 [2020-10-24 01:29:24,922 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 63 [2020-10-24 01:29:26,113 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 164 DAG size of output: 74 [2020-10-24 01:29:28,292 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:29:29,681 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 182 DAG size of output: 77 [2020-10-24 01:29:30,906 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 160 DAG size of output: 69 [2020-10-24 01:29:31,593 WARN L193 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 61 [2020-10-24 01:29:32,491 WARN L193 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 66 [2020-10-24 01:29:34,684 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:29:35,371 WARN L193 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 60 [2020-10-24 01:29:37,557 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:29:38,903 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 157 DAG size of output: 76 [2020-10-24 01:29:39,989 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 157 DAG size of output: 68 [2020-10-24 01:29:40,876 WARN L193 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 59 [2020-10-24 01:29:43,064 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:29:43,785 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 61 [2020-10-24 01:29:45,934 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 253 DAG size of output: 75 [2020-10-24 01:29:46,649 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 63 [2020-10-24 01:29:47,789 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 161 DAG size of output: 70 [2020-10-24 01:29:48,815 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 192 DAG size of output: 64 [2020-10-24 01:29:49,498 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 61 [2020-10-24 01:29:51,687 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:29:52,357 WARN L193 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 56 [2020-10-24 01:29:54,561 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:29:55,753 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 164 DAG size of output: 75 [2020-10-24 01:29:56,402 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 57 [2020-10-24 01:29:57,392 WARN L193 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 60 [2020-10-24 01:29:58,105 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 63 [2020-10-24 01:30:00,145 WARN L193 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-10-24 01:30:00,975 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 62 [2020-10-24 01:30:01,780 WARN L193 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 62 [2020-10-24 01:30:02,577 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 62 [2020-10-24 01:30:04,625 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-10-24 01:30:05,432 WARN L193 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 62 [2020-10-24 01:30:07,481 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-10-24 01:30:09,681 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:30:10,369 WARN L193 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 61 [2020-10-24 01:30:12,622 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:30:13,770 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 158 DAG size of output: 76 [2020-10-24 01:30:14,474 WARN L193 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 59 [2020-10-24 01:30:16,690 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:30:17,784 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 194 DAG size of output: 67 [2020-10-24 01:30:18,486 WARN L193 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 59 [2020-10-24 01:30:19,206 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 60 [2020-10-24 01:30:21,406 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:30:22,299 WARN L193 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 58 [2020-10-24 01:30:24,515 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:30:25,312 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 62 [2020-10-24 01:30:27,370 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-10-24 01:30:29,585 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:30:30,356 WARN L193 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 61 [2020-10-24 01:30:31,011 WARN L193 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 55 [2020-10-24 01:30:31,736 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 60 [2020-10-24 01:30:33,948 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:30:34,712 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 60 [2020-10-24 01:30:36,933 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:30:37,831 WARN L193 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 62 [2020-10-24 01:30:38,667 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 65 [2020-10-24 01:30:40,881 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:30:42,247 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 206 DAG size of output: 72 [2020-10-24 01:30:43,591 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 164 DAG size of output: 73 [2020-10-24 01:30:44,389 WARN L193 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 63 [2020-10-24 01:30:45,118 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 62 [2020-10-24 01:30:47,335 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:30:49,569 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:30:50,276 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 58 [2020-10-24 01:30:51,010 WARN L193 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 60 [2020-10-24 01:30:53,092 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-10-24 01:30:55,322 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:30:56,359 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 192 DAG size of output: 64 [2020-10-24 01:30:58,295 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 260 DAG size of output: 75 [2020-10-24 01:31:00,525 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:31:01,530 WARN L193 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 71 [2020-10-24 01:31:02,487 WARN L193 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 72 [2020-10-24 01:31:03,489 WARN L193 SmtUtils]: Spent 992.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 60 [2020-10-24 01:31:05,133 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 214 DAG size of output: 69 [2020-10-24 01:31:07,363 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:31:09,591 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:31:11,482 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 243 DAG size of output: 78 [2020-10-24 01:31:12,290 WARN L193 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 63 [2020-10-24 01:31:14,516 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:31:15,296 WARN L193 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 62 [2020-10-24 01:31:17,538 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:31:18,181 WARN L193 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 59 [2020-10-24 01:31:19,297 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 155 DAG size of output: 73 [2020-10-24 01:31:20,674 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 163 DAG size of output: 72 [2020-10-24 01:31:21,325 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 59 [2020-10-24 01:31:22,124 WARN L193 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 63 [2020-10-24 01:31:24,358 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:31:25,210 WARN L193 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 65 [2020-10-24 01:31:26,392 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 199 DAG size of output: 65 [2020-10-24 01:31:27,747 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 154 DAG size of output: 72 [2020-10-24 01:31:28,461 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 63 [2020-10-24 01:31:29,115 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 60 [2020-10-24 01:31:31,362 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:31:33,602 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:31:34,373 WARN L193 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 59 [2020-10-24 01:31:35,204 WARN L193 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 65 [2020-10-24 01:31:36,863 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 207 DAG size of output: 68 [2020-10-24 01:31:39,096 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:31:39,947 WARN L193 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 65 [2020-10-24 01:31:40,684 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 61 [2020-10-24 01:31:41,384 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 58 [2020-10-24 01:31:43,647 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:31:43,812 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 40 [2020-10-24 01:31:46,058 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:31:48,308 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:31:49,664 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 202 DAG size of output: 69 [2020-10-24 01:31:51,570 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 243 DAG size of output: 78 [2020-10-24 01:31:52,448 WARN L193 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 67 [2020-10-24 01:31:53,349 WARN L193 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 68 [2020-10-24 01:31:54,768 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 169 DAG size of output: 79 [2020-10-24 01:31:55,915 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 154 DAG size of output: 73 [2020-10-24 01:31:56,817 WARN L193 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 60 [2020-10-24 01:31:57,821 WARN L193 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 67 [2020-10-24 01:31:58,572 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 61 [2020-10-24 01:32:00,831 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:32:03,091 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:32:03,911 WARN L193 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 62 [2020-10-24 01:32:05,552 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 228 DAG size of output: 76 [2020-10-24 01:32:06,165 WARN L193 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 47 [2020-10-24 01:32:08,262 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-10-24 01:32:09,064 WARN L193 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 60 [2020-10-24 01:32:09,914 WARN L193 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 62 [2020-10-24 01:32:10,770 WARN L193 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 62 [2020-10-24 01:32:11,597 WARN L193 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 62 [2020-10-24 01:32:13,720 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-10-24 01:32:14,573 WARN L193 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 62 [2020-10-24 01:32:16,683 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-10-24 01:32:18,783 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-10-24 01:32:20,901 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-10-24 01:32:21,726 WARN L193 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 62 [2020-10-24 01:32:22,342 WARN L193 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 47 [2020-10-24 01:32:23,189 WARN L193 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 62 [2020-10-24 01:32:24,029 WARN L193 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 62 [2020-10-24 01:32:24,772 WARN L193 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 62 [2020-10-24 01:32:27,041 WARN L193 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:32:27,827 WARN L193 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 60 [2020-10-24 01:32:28,493 WARN L193 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 55 [2020-10-24 01:32:30,772 WARN L193 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:32:32,899 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-10-24 01:32:33,732 WARN L193 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 62 [2020-10-24 01:32:34,554 WARN L193 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 62 [2020-10-24 01:32:35,409 WARN L193 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 62 [2020-10-24 01:32:37,547 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-10-24 01:32:38,374 WARN L193 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 62 [2020-10-24 01:32:40,517 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-10-24 01:32:42,642 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-10-24 01:32:43,805 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 203 DAG size of output: 58 [2020-10-24 01:33:02,608 WARN L193 SmtUtils]: Spent 18.79 s on a formula simplification. DAG size of input: 436 DAG size of output: 175 [2020-10-24 01:33:19,888 WARN L193 SmtUtils]: Spent 17.24 s on a formula simplification. DAG size of input: 436 DAG size of output: 180 [2020-10-24 01:33:20,748 WARN L193 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 65 [2020-10-24 01:33:21,573 WARN L193 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 64 [2020-10-24 01:33:22,997 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 163 DAG size of output: 74 [2020-10-24 01:33:24,376 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 211 DAG size of output: 72 [2020-10-24 01:33:25,379 WARN L193 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 62 [2020-10-24 01:33:26,096 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 59 [2020-10-24 01:33:26,855 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 62 [2020-10-24 01:33:29,174 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:33:31,495 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:33:32,299 WARN L193 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 61 [2020-10-24 01:33:32,971 WARN L193 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 58 [2020-10-24 01:33:33,896 WARN L193 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 64 [2020-10-24 01:33:35,669 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 215 DAG size of output: 69 [2020-10-24 01:33:36,665 WARN L193 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 64 [2020-10-24 01:33:37,380 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 57 [2020-10-24 01:33:38,246 WARN L193 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 65 [2020-10-24 01:33:39,471 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 202 DAG size of output: 70 [2020-10-24 01:33:40,302 WARN L193 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 66 [2020-10-24 01:33:41,284 WARN L193 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 68 [2020-10-24 01:33:42,135 WARN L193 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 65 [2020-10-24 01:33:43,952 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 218 DAG size of output: 76 [2020-10-24 01:33:44,703 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 66 [2020-10-24 01:33:45,594 WARN L193 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 66 [2020-10-24 01:33:47,081 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 173 DAG size of output: 79 [2020-10-24 01:33:48,347 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 179 DAG size of output: 68 [2020-10-24 01:33:49,120 WARN L193 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 61 [2020-10-24 01:33:51,443 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:33:52,275 WARN L193 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 63 [2020-10-24 01:33:53,449 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 154 DAG size of output: 73 [2020-10-24 01:33:55,601 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-10-24 01:33:56,449 WARN L193 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 62 [2020-10-24 01:33:57,295 WARN L193 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 62 [2020-10-24 01:33:58,138 WARN L193 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 62 [2020-10-24 01:34:00,316 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 286 DAG size of output: 79 [2020-10-24 01:34:01,256 WARN L193 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 67 [2020-10-24 01:34:02,562 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 161 DAG size of output: 72 [2020-10-24 01:34:03,246 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 54 [2020-10-24 01:34:04,188 WARN L193 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 64 [2020-10-24 01:34:04,884 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 59 [2020-10-24 01:34:07,221 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:34:08,396 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 154 DAG size of output: 73 [2020-10-24 01:34:09,576 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 165 DAG size of output: 71 [2020-10-24 01:34:10,337 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 60 [2020-10-24 01:34:11,090 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 58 [2020-10-24 01:34:11,874 WARN L193 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 64 [2020-10-24 01:34:14,203 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2020-10-24 01:34:16,225 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 229 DAG size of output: 78 [2020-10-24 01:34:16,900 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 55 [2020-10-24 01:34:17,656 WARN L193 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 60 [2020-10-24 01:34:18,331 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 57 [2020-10-24 01:34:19,056 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 58 [2020-10-24 01:34:21,383 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 291 DAG size of output: 80