/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/Problem02_label30.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-24 01:41:18,548 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 01:41:18,551 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 01:41:18,591 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-10-24 01:41:18,605 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 01:41:18,606 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 01:41:18,607 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 01:41:18,609 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 01:41:18,610 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 01:41:18,611 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 01:41:18,625 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 01:41:18,631 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 01:41:18,635 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 01:41:18,637 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 01:41:18,642 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 01:41:18,643 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 01:41:18,648 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-24 01:41:18,665 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 01:41:18,667 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 01:41:18,668 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 01:41:18,669 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 01:41:18,693 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 01:41:18,693 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 01:41:18,698 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 01:41:18,698 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 01:41:18,698 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 01:41:18,699 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 01:41:18,699 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 01:41:18,699 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 01:41:18,699 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 01:41:18,699 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 01:41:18,700 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 01:41:18,701 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 01:41:18,701 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 01:41:18,701 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 01:41:18,701 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 01:41:18,702 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-24 01:41:18,702 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 01:41:18,702 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 01:41:18,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 01:41:18,702 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 01:41:18,703 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-24 01:41:18,703 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 01:41:18,703 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-10-24 01:41:19,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 01:41:19,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 01:41:19,200 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 01:41:19,202 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 01:41:19,203 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 01:41:19,204 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label30.c [2020-10-24 01:41:19,290 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db644ef0e/0c60aeee5fce46ff8418824fb8941354/FLAG6b6e11a50 [2020-10-24 01:41:20,018 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 01:41:20,022 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label30.c [2020-10-24 01:41:20,046 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db644ef0e/0c60aeee5fce46ff8418824fb8941354/FLAG6b6e11a50 [2020-10-24 01:41:20,220 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db644ef0e/0c60aeee5fce46ff8418824fb8941354 [2020-10-24 01:41:20,223 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 01:41:20,232 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-24 01:41:20,238 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 01:41:20,238 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 01:41:20,243 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 01:41:20,244 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:41:20" (1/1) ... [2020-10-24 01:41:20,248 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1df9004b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:41:20, skipping insertion in model container [2020-10-24 01:41:20,249 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:41:20" (1/1) ... [2020-10-24 01:41:20,258 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 01:41:20,324 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 01:41:20,728 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 01:41:20,739 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 01:41:20,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 01:41:20,857 INFO L208 MainTranslator]: Completed translation [2020-10-24 01:41:20,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:41:20 WrapperNode [2020-10-24 01:41:20,858 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 01:41:20,859 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 01:41:20,859 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 01:41:20,859 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 01:41:20,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:41:20" (1/1) ... [2020-10-24 01:41:20,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:41:20" (1/1) ... [2020-10-24 01:41:20,894 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:41:20" (1/1) ... [2020-10-24 01:41:20,895 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:41:20" (1/1) ... [2020-10-24 01:41:20,933 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:41:20" (1/1) ... [2020-10-24 01:41:20,950 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:41:20" (1/1) ... [2020-10-24 01:41:20,958 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:41:20" (1/1) ... [2020-10-24 01:41:20,967 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 01:41:20,971 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 01:41:20,971 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 01:41:20,972 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 01:41:20,973 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:41:20" (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 01:41:21,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-24 01:41:21,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 01:41:21,055 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-24 01:41:21,055 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-24 01:41:21,055 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-24 01:41:21,055 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-24 01:41:21,056 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-24 01:41:21,056 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-24 01:41:21,056 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-24 01:41:21,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 01:41:21,057 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-24 01:41:21,057 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-24 01:41:21,057 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-24 01:41:21,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-24 01:41:21,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 01:41:21,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 01:41:21,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 01:41:21,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 01:41:21,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 01:41:22,657 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 01:41:22,658 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-24 01:41:22,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:41:22 BoogieIcfgContainer [2020-10-24 01:41:22,660 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 01:41:22,662 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 01:41:22,662 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 01:41:22,666 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 01:41:22,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 01:41:20" (1/3) ... [2020-10-24 01:41:22,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3360e766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:41:22, skipping insertion in model container [2020-10-24 01:41:22,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:41:20" (2/3) ... [2020-10-24 01:41:22,668 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3360e766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:41:22, skipping insertion in model container [2020-10-24 01:41:22,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:41:22" (3/3) ... [2020-10-24 01:41:22,670 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label30.c [2020-10-24 01:41:22,682 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-24 01:41:22,688 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 01:41:22,702 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 01:41:22,751 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 01:41:22,751 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 01:41:22,752 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-24 01:41:22,752 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 01:41:22,752 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 01:41:22,752 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 01:41:22,752 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 01:41:22,752 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 01:41:22,781 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states. [2020-10-24 01:41:22,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-10-24 01:41:22,807 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:41:22,808 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] [2020-10-24 01:41:22,809 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:41:22,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:41:22,816 INFO L82 PathProgramCache]: Analyzing trace with hash 2115669931, now seen corresponding path program 1 times [2020-10-24 01:41:22,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:41:22,827 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1453259567] [2020-10-24 01:41:22,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:41:23,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:41:23,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:41:23,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:41:23,661 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 01:41:23,662 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1453259567] [2020-10-24 01:41:23,664 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 01:41:23,664 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-24 01:41:23,665 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225132448] [2020-10-24 01:41:23,671 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-24 01:41:23,671 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:41:23,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-24 01:41:23,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-24 01:41:23,689 INFO L87 Difference]: Start difference. First operand 539 states. Second operand 5 states. [2020-10-24 01:41:26,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:41:26,610 INFO L93 Difference]: Finished difference Result 1218 states and 1665 transitions. [2020-10-24 01:41:26,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-24 01:41:26,613 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 163 [2020-10-24 01:41:26,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:41:26,651 INFO L225 Difference]: With dead ends: 1218 [2020-10-24 01:41:26,652 INFO L226 Difference]: Without dead ends: 636 [2020-10-24 01:41:26,664 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 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 01:41:26,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2020-10-24 01:41:26,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 622. [2020-10-24 01:41:26,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 622 states. [2020-10-24 01:41:26,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 783 transitions. [2020-10-24 01:41:26,891 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 783 transitions. Word has length 163 [2020-10-24 01:41:26,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:41:26,893 INFO L481 AbstractCegarLoop]: Abstraction has 622 states and 783 transitions. [2020-10-24 01:41:26,893 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-24 01:41:26,893 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 783 transitions. [2020-10-24 01:41:26,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-24 01:41:26,900 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:41:26,900 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:41:26,901 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 01:41:26,901 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:41:26,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:41:26,902 INFO L82 PathProgramCache]: Analyzing trace with hash -1470069610, now seen corresponding path program 1 times [2020-10-24 01:41:26,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:41:26,902 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1799898097] [2020-10-24 01:41:26,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:41:26,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:41:27,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:41:27,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:41:27,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:41:27,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:41:27,196 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 01:41:27,197 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1799898097] [2020-10-24 01:41:27,197 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 01:41:27,197 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-24 01:41:27,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942586533] [2020-10-24 01:41:27,199 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-24 01:41:27,199 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:41:27,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-24 01:41:27,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-24 01:41:27,201 INFO L87 Difference]: Start difference. First operand 622 states and 783 transitions. Second operand 7 states. [2020-10-24 01:41:27,390 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-24 01:41:30,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:41:30,165 INFO L93 Difference]: Finished difference Result 1704 states and 2211 transitions. [2020-10-24 01:41:30,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-24 01:41:30,170 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 189 [2020-10-24 01:41:30,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:41:30,182 INFO L225 Difference]: With dead ends: 1704 [2020-10-24 01:41:30,183 INFO L226 Difference]: Without dead ends: 1112 [2020-10-24 01:41:30,187 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 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 01:41:30,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2020-10-24 01:41:30,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 1034. [2020-10-24 01:41:30,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1034 states. [2020-10-24 01:41:30,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1327 transitions. [2020-10-24 01:41:30,422 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1327 transitions. Word has length 189 [2020-10-24 01:41:30,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:41:30,425 INFO L481 AbstractCegarLoop]: Abstraction has 1034 states and 1327 transitions. [2020-10-24 01:41:30,425 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-24 01:41:30,426 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1327 transitions. [2020-10-24 01:41:30,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-10-24 01:41:30,437 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:41:30,437 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:41:30,438 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 01:41:30,438 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:41:30,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:41:30,441 INFO L82 PathProgramCache]: Analyzing trace with hash -1967890892, now seen corresponding path program 1 times [2020-10-24 01:41:30,441 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:41:30,442 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1570487711] [2020-10-24 01:41:30,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:41:30,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:41:30,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:41:30,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:41:30,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:41:30,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:41:30,841 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 01:41:30,842 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1570487711] [2020-10-24 01:41:30,843 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 01:41:30,847 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-24 01:41:30,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900824907] [2020-10-24 01:41:30,850 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 01:41:30,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:41:30,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 01:41:30,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-24 01:41:30,861 INFO L87 Difference]: Start difference. First operand 1034 states and 1327 transitions. Second operand 8 states. [2020-10-24 01:41:31,086 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-24 01:41:35,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:41:35,107 INFO L93 Difference]: Finished difference Result 3222 states and 4466 transitions. [2020-10-24 01:41:35,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-24 01:41:35,109 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 197 [2020-10-24 01:41:35,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:41:35,125 INFO L225 Difference]: With dead ends: 3222 [2020-10-24 01:41:35,126 INFO L226 Difference]: Without dead ends: 2218 [2020-10-24 01:41:35,132 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-10-24 01:41:35,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2218 states. [2020-10-24 01:41:35,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2218 to 2141. [2020-10-24 01:41:35,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2141 states. [2020-10-24 01:41:35,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2141 states to 2141 states and 2826 transitions. [2020-10-24 01:41:35,575 INFO L78 Accepts]: Start accepts. Automaton has 2141 states and 2826 transitions. Word has length 197 [2020-10-24 01:41:35,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:41:35,576 INFO L481 AbstractCegarLoop]: Abstraction has 2141 states and 2826 transitions. [2020-10-24 01:41:35,576 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 01:41:35,576 INFO L276 IsEmpty]: Start isEmpty. Operand 2141 states and 2826 transitions. [2020-10-24 01:41:35,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-10-24 01:41:35,588 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:41:35,589 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:41:35,589 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-24 01:41:35,589 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:41:35,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:41:35,590 INFO L82 PathProgramCache]: Analyzing trace with hash 517199879, now seen corresponding path program 1 times [2020-10-24 01:41:35,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:41:35,591 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [850568309] [2020-10-24 01:41:35,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:41:35,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:41:35,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:41:35,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:41:35,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:41:35,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:41:35,912 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 01:41:35,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [850568309] [2020-10-24 01:41:35,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 01:41:35,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-24 01:41:35,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837167945] [2020-10-24 01:41:35,914 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-24 01:41:35,915 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:41:35,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-24 01:41:35,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-24 01:41:35,916 INFO L87 Difference]: Start difference. First operand 2141 states and 2826 transitions. Second operand 7 states. [2020-10-24 01:41:39,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:41:39,004 INFO L93 Difference]: Finished difference Result 5469 states and 7655 transitions. [2020-10-24 01:41:39,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-24 01:41:39,005 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 201 [2020-10-24 01:41:39,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:41:39,038 INFO L225 Difference]: With dead ends: 5469 [2020-10-24 01:41:39,038 INFO L226 Difference]: Without dead ends: 3358 [2020-10-24 01:41:39,053 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 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 01:41:39,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3358 states. [2020-10-24 01:41:39,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3358 to 2778. [2020-10-24 01:41:39,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2778 states. [2020-10-24 01:41:39,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2778 states to 2778 states and 3530 transitions. [2020-10-24 01:41:39,730 INFO L78 Accepts]: Start accepts. Automaton has 2778 states and 3530 transitions. Word has length 201 [2020-10-24 01:41:39,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:41:39,731 INFO L481 AbstractCegarLoop]: Abstraction has 2778 states and 3530 transitions. [2020-10-24 01:41:39,731 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-24 01:41:39,731 INFO L276 IsEmpty]: Start isEmpty. Operand 2778 states and 3530 transitions. [2020-10-24 01:41:39,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-10-24 01:41:39,744 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:41:39,744 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:41:39,744 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-24 01:41:39,745 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:41:39,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:41:39,745 INFO L82 PathProgramCache]: Analyzing trace with hash -851837642, now seen corresponding path program 1 times [2020-10-24 01:41:39,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:41:39,746 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1171913291] [2020-10-24 01:41:39,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:41:39,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:41:40,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:41:40,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:41:40,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:41:40,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:41:40,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-24 01:41:40,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:41:40,336 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 33 proven. 16 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-24 01:41:40,336 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1171913291] [2020-10-24 01:41:40,337 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:41:40,337 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-24 01:41:40,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959889514] [2020-10-24 01:41:40,338 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-24 01:41:40,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:41:40,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-24 01:41:40,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2020-10-24 01:41:40,339 INFO L87 Difference]: Start difference. First operand 2778 states and 3530 transitions. Second operand 13 states. [2020-10-24 01:41:42,041 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 92 [2020-10-24 01:41:45,011 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2020-10-24 01:41:48,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:41:48,011 INFO L93 Difference]: Finished difference Result 7975 states and 10312 transitions. [2020-10-24 01:41:48,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-24 01:41:48,014 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 219 [2020-10-24 01:41:48,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:41:48,045 INFO L225 Difference]: With dead ends: 7975 [2020-10-24 01:41:48,045 INFO L226 Difference]: Without dead ends: 3832 [2020-10-24 01:41:48,063 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2020-10-24 01:41:48,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3832 states. [2020-10-24 01:41:48,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3832 to 3548. [2020-10-24 01:41:48,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3548 states. [2020-10-24 01:41:48,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3548 states to 3548 states and 4268 transitions. [2020-10-24 01:41:48,803 INFO L78 Accepts]: Start accepts. Automaton has 3548 states and 4268 transitions. Word has length 219 [2020-10-24 01:41:48,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:41:48,804 INFO L481 AbstractCegarLoop]: Abstraction has 3548 states and 4268 transitions. [2020-10-24 01:41:48,804 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-24 01:41:48,804 INFO L276 IsEmpty]: Start isEmpty. Operand 3548 states and 4268 transitions. [2020-10-24 01:41:48,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2020-10-24 01:41:48,821 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:41:48,821 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-24 01:41:48,822 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-24 01:41:48,822 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:41:48,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:41:48,822 INFO L82 PathProgramCache]: Analyzing trace with hash -1115126949, now seen corresponding path program 1 times [2020-10-24 01:41:48,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:41:48,823 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [968221739] [2020-10-24 01:41:48,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:41:48,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:41:49,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:41:49,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:41:49,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:41:49,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:41:49,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-24 01:41:49,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:41:49,576 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 79 proven. 16 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-24 01:41:49,576 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [968221739] [2020-10-24 01:41:49,578 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:41:49,578 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-24 01:41:49,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875392800] [2020-10-24 01:41:49,582 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-24 01:41:49,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:41:49,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-24 01:41:49,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2020-10-24 01:41:49,590 INFO L87 Difference]: Start difference. First operand 3548 states and 4268 transitions. Second operand 13 states. [2020-10-24 01:41:52,286 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-24 01:41:54,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:41:54,273 INFO L93 Difference]: Finished difference Result 6846 states and 8170 transitions. [2020-10-24 01:41:54,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-24 01:41:54,275 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 264 [2020-10-24 01:41:54,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:41:54,295 INFO L225 Difference]: With dead ends: 6846 [2020-10-24 01:41:54,296 INFO L226 Difference]: Without dead ends: 2915 [2020-10-24 01:41:54,307 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=79, Invalid=193, Unknown=0, NotChecked=0, Total=272 [2020-10-24 01:41:54,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2915 states. [2020-10-24 01:41:54,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2915 to 2753. [2020-10-24 01:41:54,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2753 states. [2020-10-24 01:41:54,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2753 states to 2753 states and 3127 transitions. [2020-10-24 01:41:54,940 INFO L78 Accepts]: Start accepts. Automaton has 2753 states and 3127 transitions. Word has length 264 [2020-10-24 01:41:54,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:41:54,941 INFO L481 AbstractCegarLoop]: Abstraction has 2753 states and 3127 transitions. [2020-10-24 01:41:54,941 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-24 01:41:54,941 INFO L276 IsEmpty]: Start isEmpty. Operand 2753 states and 3127 transitions. [2020-10-24 01:41:54,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2020-10-24 01:41:54,952 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:41:54,952 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:41:54,952 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-24 01:41:54,952 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:41:54,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:41:54,953 INFO L82 PathProgramCache]: Analyzing trace with hash 433469089, now seen corresponding path program 1 times [2020-10-24 01:41:54,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:41:54,953 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1986954071] [2020-10-24 01:41:54,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:41:54,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:41:55,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:41:55,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:41:55,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:41:55,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:41:55,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-24 01:41:55,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:41:55,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-24 01:41:55,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:41:55,466 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 90 proven. 14 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-24 01:41:55,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1986954071] [2020-10-24 01:41:55,466 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:41:55,467 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-24 01:41:55,467 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415794745] [2020-10-24 01:41:55,468 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-24 01:41:55,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:41:55,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-24 01:41:55,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-24 01:41:55,470 INFO L87 Difference]: Start difference. First operand 2753 states and 3127 transitions. Second operand 12 states. [2020-10-24 01:41:55,838 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 89 [2020-10-24 01:41:56,252 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 89 [2020-10-24 01:41:57,398 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2020-10-24 01:41:57,627 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 87 [2020-10-24 01:41:57,980 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2020-10-24 01:41:59,372 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 87 [2020-10-24 01:42:01,561 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2020-10-24 01:42:02,062 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 88 [2020-10-24 01:42:05,575 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 88 [2020-10-24 01:42:07,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:42:07,174 INFO L93 Difference]: Finished difference Result 8439 states and 9780 transitions. [2020-10-24 01:42:07,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-10-24 01:42:07,175 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 267 [2020-10-24 01:42:07,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:42:07,205 INFO L225 Difference]: With dead ends: 8439 [2020-10-24 01:42:07,205 INFO L226 Difference]: Without dead ends: 5715 [2020-10-24 01:42:07,215 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 609 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=495, Invalid=1761, Unknown=0, NotChecked=0, Total=2256 [2020-10-24 01:42:07,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5715 states. [2020-10-24 01:42:08,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5715 to 4977. [2020-10-24 01:42:08,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4977 states. [2020-10-24 01:42:08,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4977 states to 4977 states and 5649 transitions. [2020-10-24 01:42:08,292 INFO L78 Accepts]: Start accepts. Automaton has 4977 states and 5649 transitions. Word has length 267 [2020-10-24 01:42:08,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:42:08,293 INFO L481 AbstractCegarLoop]: Abstraction has 4977 states and 5649 transitions. [2020-10-24 01:42:08,293 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-24 01:42:08,293 INFO L276 IsEmpty]: Start isEmpty. Operand 4977 states and 5649 transitions. [2020-10-24 01:42:08,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2020-10-24 01:42:08,308 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:42:08,309 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:42:08,309 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-24 01:42:08,309 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:42:08,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:42:08,310 INFO L82 PathProgramCache]: Analyzing trace with hash -922860028, now seen corresponding path program 1 times [2020-10-24 01:42:08,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:42:08,310 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [601729826] [2020-10-24 01:42:08,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:42:08,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:42:08,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:42:08,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:42:08,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:42:08,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:42:08,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-24 01:42:08,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:42:08,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-24 01:42:08,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:42:08,664 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 101 proven. 7 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-24 01:42:08,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [601729826] [2020-10-24 01:42:08,664 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:42:08,664 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-24 01:42:08,665 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631383556] [2020-10-24 01:42:08,665 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-24 01:42:08,669 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:42:08,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-24 01:42:08,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-24 01:42:08,670 INFO L87 Difference]: Start difference. First operand 4977 states and 5649 transitions. Second operand 9 states. [2020-10-24 01:42:11,498 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 87 [2020-10-24 01:42:13,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:42:13,753 INFO L93 Difference]: Finished difference Result 10774 states and 12292 transitions. [2020-10-24 01:42:13,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-24 01:42:13,760 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 272 [2020-10-24 01:42:13,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:42:13,791 INFO L225 Difference]: With dead ends: 10774 [2020-10-24 01:42:13,791 INFO L226 Difference]: Without dead ends: 5671 [2020-10-24 01:42:13,804 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=94, Invalid=286, Unknown=0, NotChecked=0, Total=380 [2020-10-24 01:42:13,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5671 states. [2020-10-24 01:42:14,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5671 to 5478. [2020-10-24 01:42:14,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5478 states. [2020-10-24 01:42:14,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5478 states to 5478 states and 6144 transitions. [2020-10-24 01:42:14,837 INFO L78 Accepts]: Start accepts. Automaton has 5478 states and 6144 transitions. Word has length 272 [2020-10-24 01:42:14,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:42:14,837 INFO L481 AbstractCegarLoop]: Abstraction has 5478 states and 6144 transitions. [2020-10-24 01:42:14,837 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-24 01:42:14,837 INFO L276 IsEmpty]: Start isEmpty. Operand 5478 states and 6144 transitions. [2020-10-24 01:42:14,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2020-10-24 01:42:14,852 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:42:14,852 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, 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] [2020-10-24 01:42:14,853 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-24 01:42:14,853 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:42:14,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:42:14,853 INFO L82 PathProgramCache]: Analyzing trace with hash -1870077962, now seen corresponding path program 1 times [2020-10-24 01:42:14,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:42:14,855 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [992640826] [2020-10-24 01:42:14,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:42:14,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:42:15,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:42:15,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:42:15,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:42:15,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:42:15,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-24 01:42:15,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:42:15,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-24 01:42:15,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:42:15,230 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 135 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-10-24 01:42:15,230 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [992640826] [2020-10-24 01:42:15,230 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:42:15,231 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-24 01:42:15,231 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910383583] [2020-10-24 01:42:15,231 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-24 01:42:15,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:42:15,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-24 01:42:15,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-24 01:42:15,232 INFO L87 Difference]: Start difference. First operand 5478 states and 6144 transitions. Second operand 9 states. [2020-10-24 01:42:17,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:42:17,258 INFO L93 Difference]: Finished difference Result 9722 states and 10906 transitions. [2020-10-24 01:42:17,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-24 01:42:17,263 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 293 [2020-10-24 01:42:17,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:42:17,269 INFO L225 Difference]: With dead ends: 9722 [2020-10-24 01:42:17,270 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 01:42:17,290 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-24 01:42:17,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 01:42:17,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 01:42:17,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 01:42:17,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 01:42:17,291 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 293 [2020-10-24 01:42:17,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:42:17,291 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 01:42:17,291 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-24 01:42:17,291 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 01:42:17,291 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 01:42:17,292 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-24 01:42:17,294 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 01:42:17,951 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2020-10-24 01:42:34,065 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 171 [2020-10-24 01:42:47,997 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 171 [2020-10-24 01:43:04,722 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 171 [2020-10-24 01:43:04,827 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 171 [2020-10-24 01:43:04,930 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 171 [2020-10-24 01:43:05,036 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 171 [2020-10-24 01:43:12,716 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 171 [2020-10-24 01:43:12,822 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 171 [2020-10-24 01:43:12,929 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 171 [2020-10-24 01:43:20,084 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 171 [2020-10-24 01:43:26,559 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-10-24 01:43:27,570 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 178 DAG size of output: 66 [2020-10-24 01:43:29,909 WARN L193 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-10-24 01:43:30,777 WARN L193 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 70 [2020-10-24 01:43:31,611 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-10-24 01:43:33,909 WARN L193 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-10-24 01:43:36,213 WARN L193 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-10-24 01:43:38,514 WARN L193 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-10-24 01:43:39,328 WARN L193 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-10-24 01:43:40,149 WARN L193 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-10-24 01:43:40,970 WARN L193 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-10-24 01:43:43,272 WARN L193 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-10-24 01:43:43,965 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:43:44,795 WARN L193 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 64 [2020-10-24 01:43:46,064 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 183 DAG size of output: 69 [2020-10-24 01:43:46,947 WARN L193 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 69 [2020-10-24 01:43:47,839 WARN L193 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 71 [2020-10-24 01:43:48,537 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:43:49,353 WARN L193 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 65 [2020-10-24 01:43:50,069 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:43:50,764 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:43:52,955 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:43:55,135 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:43:56,005 WARN L193 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 65 [2020-10-24 01:43:56,719 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:43:57,561 WARN L193 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-10-24 01:43:58,383 WARN L193 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-10-24 01:44:00,704 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-10-24 01:44:01,597 WARN L193 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 66 [2020-10-24 01:44:03,089 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 183 DAG size of output: 72 [2020-10-24 01:44:05,275 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:44:06,217 WARN L193 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 63 [2020-10-24 01:44:06,977 WARN L193 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 71 [2020-10-24 01:44:07,821 WARN L193 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 64 [2020-10-24 01:44:08,575 WARN L193 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 64 [2020-10-24 01:44:09,467 WARN L193 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 66 [2020-10-24 01:44:11,666 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:44:12,368 WARN L193 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:44:13,165 WARN L193 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 64 [2020-10-24 01:44:15,374 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:44:16,204 WARN L193 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 64 [2020-10-24 01:44:16,909 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:44:19,116 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:44:20,172 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 138 DAG size of output: 77 [2020-10-24 01:44:21,495 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 181 DAG size of output: 76 [2020-10-24 01:44:23,707 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:44:25,910 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:44:26,685 WARN L193 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 67 [2020-10-24 01:44:27,963 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 178 DAG size of output: 75 [2020-10-24 01:44:28,794 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 66 [2020-10-24 01:44:29,655 WARN L193 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 65 [2020-10-24 01:44:30,368 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:44:31,213 WARN L193 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 67 [2020-10-24 01:44:31,996 WARN L193 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 65 [2020-10-24 01:44:32,871 WARN L193 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 63 [2020-10-24 01:44:33,693 WARN L193 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 64 [2020-10-24 01:44:34,408 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:44:36,628 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:44:38,842 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:44:41,083 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:44:41,962 WARN L193 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 64 [2020-10-24 01:44:43,048 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 178 DAG size of output: 66 [2020-10-24 01:44:45,272 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:44:46,123 WARN L193 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 64 [2020-10-24 01:44:47,106 WARN L193 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 63 [2020-10-24 01:44:48,048 WARN L193 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 73 [2020-10-24 01:44:50,402 WARN L193 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-10-24 01:44:51,246 WARN L193 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-10-24 01:44:53,603 WARN L193 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-10-24 01:44:55,972 WARN L193 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-10-24 01:44:58,350 WARN L193 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-10-24 01:44:59,203 WARN L193 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-10-24 01:44:59,989 WARN L193 SmtUtils]: Spent 781.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 67 [2020-10-24 01:45:02,237 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:45:03,465 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 188 DAG size of output: 73 [2020-10-24 01:45:04,706 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 182 DAG size of output: 73 [2020-10-24 01:45:05,433 WARN L193 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:45:06,164 WARN L193 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:45:07,249 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 139 DAG size of output: 80 [2020-10-24 01:45:07,973 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:45:08,710 WARN L193 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:45:10,985 WARN L193 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:45:13,236 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:45:14,048 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 63 [2020-10-24 01:45:14,904 WARN L193 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 65 [2020-10-24 01:45:15,638 WARN L193 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:45:16,505 WARN L193 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 64 [2020-10-24 01:45:17,456 WARN L193 SmtUtils]: Spent 944.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 67 [2020-10-24 01:45:19,857 WARN L193 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-10-24 01:45:22,121 WARN L193 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:45:24,387 WARN L193 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:45:25,209 WARN L193 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 64 [2020-10-24 01:45:26,070 WARN L193 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-10-24 01:45:26,927 WARN L193 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-10-24 01:45:29,325 WARN L193 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-10-24 01:45:30,195 WARN L193 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-10-24 01:45:32,603 WARN L193 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-10-24 01:45:35,021 WARN L193 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-10-24 01:45:35,761 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:45:36,793 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 178 DAG size of output: 67 [2020-10-24 01:45:37,748 WARN L193 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 66 [2020-10-24 01:45:38,527 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 62 [2020-10-24 01:45:39,614 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 171 DAG size of output: 64 [2020-10-24 01:45:41,895 WARN L193 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:45:42,637 WARN L193 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:45:44,920 WARN L193 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:45:45,776 WARN L193 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 59 [2020-10-24 01:45:46,526 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:45:47,465 WARN L193 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 70 [2020-10-24 01:45:49,754 WARN L193 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:45:52,053 WARN L193 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:45:54,352 WARN L193 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:45:55,099 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:45:56,056 WARN L193 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 70 [2020-10-24 01:45:56,799 WARN L193 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:45:59,247 WARN L193 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-10-24 01:46:00,122 WARN L193 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-10-24 01:46:00,871 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:46:01,742 WARN L193 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-10-24 01:46:02,486 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:46:03,570 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 182 DAG size of output: 67 [2020-10-24 01:46:04,464 WARN L193 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 72 [2020-10-24 01:46:05,400 WARN L193 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 66 [2020-10-24 01:46:06,548 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 196 DAG size of output: 67 [2020-10-24 01:46:07,302 WARN L193 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:46:08,681 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 184 DAG size of output: 70 [2020-10-24 01:46:09,566 WARN L193 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 64 [2020-10-24 01:46:10,314 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:46:11,064 WARN L193 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:46:11,813 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:46:14,125 WARN L193 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:46:14,882 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:46:17,199 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:46:19,523 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:46:20,717 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 176 DAG size of output: 68 [2020-10-24 01:46:21,616 WARN L193 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 67 [2020-10-24 01:46:22,441 WARN L193 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 60 [2020-10-24 01:46:23,332 WARN L193 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 64 [2020-10-24 01:46:24,309 WARN L193 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 67 [2020-10-24 01:46:25,357 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 137 DAG size of output: 71 [2020-10-24 01:46:26,173 WARN L193 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 64 [2020-10-24 01:46:27,078 WARN L193 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 65 [2020-10-24 01:46:27,956 WARN L193 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 64 [2020-10-24 01:46:28,713 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:46:29,602 WARN L193 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-10-24 01:46:30,483 WARN L193 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-10-24 01:46:32,954 WARN L193 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-10-24 01:46:33,843 WARN L193 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-10-24 01:46:36,321 WARN L193 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-10-24 01:46:37,226 WARN L193 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-10-24 01:46:38,384 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 171 DAG size of output: 64 [2020-10-24 01:46:39,201 WARN L193 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 65 [2020-10-24 01:46:39,963 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:46:42,317 WARN L193 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:46:43,301 WARN L193 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 65 [2020-10-24 01:46:44,338 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 135 DAG size of output: 73 [2020-10-24 01:46:45,105 WARN L193 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:46:47,441 WARN L193 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:46:48,343 WARN L193 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-10-24 01:46:50,817 WARN L193 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-10-24 01:46:53,316 WARN L193 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-10-24 01:46:54,219 WARN L193 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 64 [2020-10-24 01:46:56,717 WARN L193 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-10-24 01:46:57,620 WARN L193 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-10-24 01:47:00,120 WARN L193 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-10-24 01:47:01,152 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 169 DAG size of output: 63 [2020-10-24 01:47:02,184 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 169 DAG size of output: 63 [2020-10-24 01:47:03,228 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 169 DAG size of output: 63 [2020-10-24 01:47:05,724 WARN L193 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-10-24 01:47:06,636 WARN L193 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-10-24 01:47:09,142 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-10-24 01:47:09,915 WARN L193 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:47:11,088 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 183 DAG size of output: 70 [2020-10-24 01:47:11,870 WARN L193 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:47:14,262 WARN L193 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:47:15,050 WARN L193 SmtUtils]: Spent 781.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:47:15,847 WARN L193 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:47:16,748 WARN L193 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 61 [2020-10-24 01:47:19,155 WARN L193 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:47:21,556 WARN L193 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:47:22,541 WARN L193 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 70 [2020-10-24 01:47:24,948 WARN L193 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:47:25,999 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 169 DAG size of output: 63 [2020-10-24 01:47:28,653 WARN L193 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-10-24 01:47:31,354 WARN L193 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-10-24 01:47:34,021 WARN L193 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:47:34,974 WARN L193 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 66 [2020-10-24 01:47:35,792 WARN L193 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:47:38,289 WARN L193 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:47:39,236 WARN L193 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 70 [2020-10-24 01:47:41,760 WARN L193 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:47:42,854 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 181 DAG size of output: 71 [2020-10-24 01:47:43,778 WARN L193 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 66 [2020-10-24 01:47:44,547 WARN L193 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:47:45,853 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 180 DAG size of output: 64 [2020-10-24 01:47:46,714 WARN L193 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 64 [2020-10-24 01:47:47,544 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:47:48,347 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:47:49,486 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 182 DAG size of output: 67 [2020-10-24 01:47:50,493 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 183 DAG size of output: 62 [2020-10-24 01:47:51,326 WARN L193 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:47:52,226 WARN L193 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 60 [2020-10-24 01:47:53,266 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 140 DAG size of output: 68 [2020-10-24 01:47:55,692 WARN L193 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:47:56,523 WARN L193 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 62 [2020-10-24 01:47:57,591 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 137 DAG size of output: 71 [2020-10-24 01:47:58,436 WARN L193 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 64 [2020-10-24 01:47:59,274 WARN L193 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 64 [2020-10-24 01:48:01,628 WARN L193 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:48:03,990 WARN L193 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:48:04,881 WARN L193 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 63 [2020-10-24 01:48:05,922 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 138 DAG size of output: 69 [2020-10-24 01:48:07,020 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 177 DAG size of output: 75 [2020-10-24 01:48:07,989 WARN L193 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 59 [2020-10-24 01:48:08,788 WARN L193 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:48:10,285 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 184 DAG size of output: 70 [2020-10-24 01:48:11,180 WARN L193 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 64 [2020-10-24 01:48:12,245 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 129 DAG size of output: 71 [2020-10-24 01:48:14,762 WARN L193 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:48:17,188 WARN L193 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:48:18,109 WARN L193 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 64 [2020-10-24 01:48:20,623 WARN L193 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:48:23,216 WARN L193 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:48:24,213 WARN L193 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 63 [2020-10-24 01:48:26,796 WARN L193 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:48:28,310 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 183 DAG size of output: 69 [2020-10-24 01:48:30,874 WARN L193 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:48:31,846 WARN L193 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-10-24 01:48:34,509 WARN L193 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-10-24 01:48:37,122 WARN L193 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-10-24 01:48:39,798 WARN L193 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-10-24 01:48:40,970 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 169 DAG size of output: 63 [2020-10-24 01:48:41,967 WARN L193 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-10-24 01:48:42,933 WARN L193 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-10-24 01:48:45,554 WARN L193 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-10-24 01:48:46,631 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 169 DAG size of output: 63 [2020-10-24 01:48:47,564 WARN L193 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 66 [2020-10-24 01:48:48,700 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 140 DAG size of output: 70 [2020-10-24 01:48:49,492 WARN L193 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:48:50,296 WARN L193 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:48:51,090 WARN L193 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:48:51,883 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:48:52,679 WARN L193 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:48:53,477 WARN L193 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:48:54,299 WARN L193 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:48:55,311 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 130 DAG size of output: 71 [2020-10-24 01:48:56,278 WARN L193 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 61 [2020-10-24 01:48:57,593 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 173 DAG size of output: 65 [2020-10-24 01:48:58,682 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 183 DAG size of output: 69 [2020-10-24 01:48:59,751 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 169 DAG size of output: 63 [2020-10-24 01:49:02,390 WARN L193 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-10-24 01:49:03,661 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 178 DAG size of output: 66 [2020-10-24 01:49:04,601 WARN L193 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 67 [2020-10-24 01:49:05,693 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 130 DAG size of output: 74 [2020-10-24 01:49:08,200 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:49:09,374 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 182 DAG size of output: 73 [2020-10-24 01:49:10,257 WARN L193 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:49:11,056 WARN L193 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:49:11,965 WARN L193 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 65 [2020-10-24 01:49:12,869 WARN L193 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 63 [2020-10-24 01:49:13,682 WARN L193 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:49:14,506 WARN L193 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:49:16,239 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 183 DAG size of output: 72 [2020-10-24 01:49:17,081 WARN L193 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:49:18,081 WARN L193 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 64 [2020-10-24 01:49:20,636 WARN L193 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:49:23,290 WARN L193 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:49:24,147 WARN L193 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:49:26,786 WARN L193 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:49:29,584 WARN L193 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-10-24 01:49:30,762 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 174 DAG size of output: 66 [2020-10-24 01:49:31,712 WARN L193 SmtUtils]: Spent 944.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 66 [2020-10-24 01:49:32,554 WARN L193 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:49:33,573 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 134 DAG size of output: 65 [2020-10-24 01:49:34,480 WARN L193 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 61 [2020-10-24 01:49:35,456 WARN L193 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 64 [2020-10-24 01:49:37,899 WARN L193 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:49:38,730 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:49:39,544 WARN L193 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:49:42,089 WARN L193 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:49:42,928 WARN L193 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 60 [2020-10-24 01:49:45,512 WARN L193 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:49:46,543 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 131 DAG size of output: 68 [2020-10-24 01:49:47,490 WARN L193 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 65 [2020-10-24 01:49:50,025 WARN L193 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:49:50,927 WARN L193 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 62 [2020-10-24 01:49:52,009 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 130 DAG size of output: 67 [2020-10-24 01:49:52,816 WARN L193 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:49:53,702 WARN L193 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 62 [2020-10-24 01:49:54,573 WARN L193 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 64 [2020-10-24 01:49:55,944 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 182 DAG size of output: 73 [2020-10-24 01:49:56,752 WARN L193 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:49:58,263 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 181 DAG size of output: 76 [2020-10-24 01:49:59,224 WARN L193 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 61 [2020-10-24 01:50:00,083 WARN L193 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:50:00,926 WARN L193 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:50:02,629 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 183 DAG size of output: 72 [2020-10-24 01:50:03,479 WARN L193 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:50:04,331 WARN L193 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:50:05,255 WARN L193 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 64 [2020-10-24 01:50:06,066 WARN L193 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:50:06,935 WARN L193 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 63 [2020-10-24 01:50:09,399 WARN L193 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:50:09,578 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 34 [2020-10-24 01:50:12,168 WARN L193 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:50:13,351 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 182 DAG size of output: 67 [2020-10-24 01:50:14,310 WARN L193 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 67 [2020-10-24 01:50:15,288 WARN L193 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 65 [2020-10-24 01:50:16,093 WARN L193 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:50:17,669 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 196 DAG size of output: 70 [2020-10-24 01:50:18,490 WARN L193 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:50:19,522 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 131 DAG size of output: 68 [2020-10-24 01:50:20,521 WARN L193 SmtUtils]: Spent 992.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 64 [2020-10-24 01:50:21,877 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 180 DAG size of output: 64 [2020-10-24 01:50:22,961 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 178 DAG size of output: 70 [2020-10-24 01:50:24,027 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 130 DAG size of output: 67 [2020-10-24 01:50:25,006 WARN L193 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 67 [2020-10-24 01:50:27,660 WARN L193 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:50:28,694 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-10-24 01:50:29,857 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 130 DAG size of output: 67 [2020-10-24 01:50:32,602 WARN L193 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-10-24 01:50:35,130 WARN L193 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:50:36,699 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 184 DAG size of output: 70 [2020-10-24 01:50:39,444 WARN L193 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-10-24 01:50:40,589 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 169 DAG size of output: 63 [2020-10-24 01:50:41,736 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 169 DAG size of output: 63 [2020-10-24 01:50:42,890 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 169 DAG size of output: 63 [2020-10-24 01:50:45,584 WARN L193 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-10-24 01:50:46,581 WARN L193 SmtUtils]: Spent 992.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-10-24 01:50:49,311 WARN L193 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-10-24 01:50:52,007 WARN L193 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-10-24 01:50:53,011 WARN L193 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-10-24 01:50:55,707 WARN L193 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-10-24 01:50:58,391 WARN L193 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-10-24 01:50:59,540 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 169 DAG size of output: 63 [2020-10-24 01:51:00,497 WARN L193 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 62 [2020-10-24 01:51:01,670 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 174 DAG size of output: 66 [2020-10-24 01:51:02,570 WARN L193 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 63 [2020-10-24 01:51:03,418 WARN L193 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:51:04,565 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 169 DAG size of output: 63 [2020-10-24 01:51:07,262 WARN L193 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-10-24 01:51:09,914 WARN L193 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 240 DAG size of output: 80 [2020-10-24 01:51:11,087 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 138 DAG size of output: 70 [2020-10-24 01:51:13,633 WARN L193 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:51:16,344 WARN L193 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-10-24 01:51:17,341 WARN L193 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-10-24 01:51:18,329 WARN L193 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-10-24 01:51:19,465 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 169 DAG size of output: 63 [2020-10-24 01:51:22,171 WARN L193 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-10-24 01:51:23,125 WARN L193 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 59 [2020-10-24 01:51:24,096 WARN L193 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 59 [2020-10-24 01:51:25,063 WARN L193 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 59 [2020-10-24 01:51:26,032 WARN L193 SmtUtils]: Spent 965.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 59 [2020-10-24 01:51:33,320 WARN L193 SmtUtils]: Spent 7.23 s on a formula simplification. DAG size of input: 327 DAG size of output: 145 [2020-10-24 01:51:40,570 WARN L193 SmtUtils]: Spent 7.20 s on a formula simplification. DAG size of input: 327 DAG size of output: 145 [2020-10-24 01:51:43,150 WARN L193 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:51:44,188 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 131 DAG size of output: 69 [2020-10-24 01:51:45,273 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 178 DAG size of output: 70 [2020-10-24 01:51:47,859 WARN L193 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:51:48,793 WARN L193 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 64 [2020-10-24 01:51:51,354 WARN L193 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:51:52,198 WARN L193 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:51:53,129 WARN L193 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 60 [2020-10-24 01:51:55,715 WARN L193 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:51:58,318 WARN L193 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:51:59,148 WARN L193 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:52:00,669 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 181 DAG size of output: 76 [2020-10-24 01:52:01,505 WARN L193 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:52:02,543 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 129 DAG size of output: 67 [2020-10-24 01:52:04,000 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 181 DAG size of output: 68 [2020-10-24 01:52:04,905 WARN L193 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 60 [2020-10-24 01:52:06,279 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 197 DAG size of output: 75 [2020-10-24 01:52:07,122 WARN L193 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:52:08,023 WARN L193 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 64 [2020-10-24 01:52:09,120 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 137 DAG size of output: 71 [2020-10-24 01:52:11,629 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:52:14,145 WARN L193 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:52:16,654 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:52:17,663 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 134 DAG size of output: 65 [2020-10-24 01:52:20,192 WARN L193 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:52:21,308 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 169 DAG size of output: 63 [2020-10-24 01:52:23,971 WARN L193 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-10-24 01:52:26,616 WARN L193 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-10-24 01:52:29,283 WARN L193 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-10-24 01:52:30,263 WARN L193 SmtUtils]: Spent 975.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-10-24 01:52:31,237 WARN L193 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-10-24 01:52:32,415 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 138 DAG size of output: 69 [2020-10-24 01:52:34,943 WARN L193 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:52:35,836 WARN L193 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 70 [2020-10-24 01:52:36,687 WARN L193 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:52:37,581 WARN L193 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 65 [2020-10-24 01:52:38,470 WARN L193 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 65 [2020-10-24 01:52:39,423 WARN L193 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 65 [2020-10-24 01:52:40,954 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 186 DAG size of output: 70 [2020-10-24 01:52:41,777 WARN L193 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:52:43,131 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 196 DAG size of output: 71 [2020-10-24 01:52:44,054 WARN L193 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 64 [2020-10-24 01:52:45,014 WARN L193 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 61 [2020-10-24 01:52:45,983 WARN L193 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 59 [2020-10-24 01:52:46,941 WARN L193 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 59 [2020-10-24 01:52:47,900 WARN L193 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 59 [2020-10-24 01:52:48,787 WARN L193 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 71 [2020-10-24 01:52:49,732 WARN L193 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 65 [2020-10-24 01:52:50,589 WARN L193 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:52:51,776 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 182 DAG size of output: 67 [2020-10-24 01:52:54,282 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:52:55,221 WARN L193 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 62 [2020-10-24 01:52:56,556 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 187 DAG size of output: 65 [2020-10-24 01:52:59,090 WARN L193 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:53:01,672 WARN L193 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:53:02,525 WARN L193 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:53:03,597 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 126 DAG size of output: 65 [2020-10-24 01:53:04,448 WARN L193 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:53:05,419 WARN L193 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 65 [2020-10-24 01:53:06,553 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 177 DAG size of output: 67 [2020-10-24 01:53:09,094 WARN L193 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:53:10,070 WARN L193 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 64 [2020-10-24 01:53:12,767 WARN L193 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-10-24 01:53:15,313 WARN L193 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:53:16,283 WARN L193 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 61 [2020-10-24 01:53:17,819 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 184 DAG size of output: 70 [2020-10-24 01:53:18,812 WARN L193 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2020-10-24 01:53:19,946 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 169 DAG size of output: 63 [2020-10-24 01:53:22,645 WARN L193 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-10-24 01:53:23,748 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 149 DAG size of output: 67 [2020-10-24 01:53:24,741 WARN L193 SmtUtils]: Spent 987.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 64 [2020-10-24 01:53:25,688 WARN L193 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 58 [2020-10-24 01:53:28,242 WARN L193 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:53:30,800 WARN L193 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:53:31,642 WARN L193 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:53:32,524 WARN L193 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 60 [2020-10-24 01:53:33,530 WARN L193 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 65 [2020-10-24 01:53:34,384 WARN L193 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:53:35,677 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 182 DAG size of output: 70 [2020-10-24 01:53:36,851 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 181 DAG size of output: 67 [2020-10-24 01:53:37,718 WARN L193 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:53:39,127 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 188 DAG size of output: 73 [2020-10-24 01:53:40,141 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 126 DAG size of output: 63 [2020-10-24 01:53:41,145 WARN L193 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 72 [2020-10-24 01:53:43,727 WARN L193 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:53:45,260 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 184 DAG size of output: 70 [2020-10-24 01:53:46,114 WARN L193 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:53:46,967 WARN L193 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:53:47,829 WARN L193 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:53:48,789 WARN L193 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 61 [2020-10-24 01:53:49,649 WARN L193 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:53:52,238 WARN L193 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:53:53,499 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 171 DAG size of output: 64 [2020-10-24 01:53:56,070 WARN L193 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:53:56,933 WARN L193 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:53:57,793 WARN L193 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:54:00,357 WARN L193 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:54:01,309 WARN L193 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 64 [2020-10-24 01:54:02,220 WARN L193 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 60 [2020-10-24 01:54:03,195 WARN L193 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 64 [2020-10-24 01:54:05,936 WARN L193 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 238 DAG size of output: 84 [2020-10-24 01:54:08,523 WARN L193 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 241 DAG size of output: 78 [2020-10-24 01:54:09,684 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 169 DAG size of output: 63 [2020-10-24 01:54:10,662 WARN L193 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 62 [2020-10-24 01:54:11,637 WARN L193 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 60 [2020-10-24 01:54:12,633 WARN L193 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 59 [2020-10-24 01:54:13,974 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 180 DAG size of output: 64 [2020-10-24 01:54:14,843 WARN L193 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:54:15,856 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 126 DAG size of output: 64 [2020-10-24 01:54:16,761 WARN L193 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 60 [2020-10-24 01:54:17,629 WARN L193 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:54:18,771 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 149 DAG size of output: 72 [2020-10-24 01:54:19,637 WARN L193 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-24 01:54:20,838 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 178 DAG size of output: 67 [2020-10-24 01:54:21,717 WARN L193 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53