/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_label03.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 05:37:56,646 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 05:37:56,649 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 05:37:56,686 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-11-07 05:37:56,699 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 05:37:56,702 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 05:37:56,705 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 05:37:56,709 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 05:37:56,712 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 05:37:56,714 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 05:37:56,721 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 05:37:56,724 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 05:37:56,733 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 05:37:56,734 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 05:37:56,740 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 05:37:56,741 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 05:37:56,757 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-07 05:37:56,767 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 05:37:56,768 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 05:37:56,769 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 05:37:56,770 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-11-07 05:37:56,783 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 05:37:56,783 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 05:37:56,785 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 05:37:56,785 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 05:37:56,785 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 05:37:56,786 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 05:37:56,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 05:37:56,786 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 05:37:56,786 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 05:37:56,787 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 05:37:56,787 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 05:37:56,787 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 05:37:56,787 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 05:37:56,788 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 05:37:56,788 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 05:37:56,788 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 05:37:56,788 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 05:37:56,789 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 05:37:56,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 05:37:56,789 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 05:37:56,789 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 05:37:56,790 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 05:37:56,790 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-11-07 05:37:57,151 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 05:37:57,185 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 05:37:57,189 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 05:37:57,190 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 05:37:57,191 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 05:37:57,192 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label03.c [2020-11-07 05:37:57,280 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff656dd8a/e8c8363ff4e94706a13b474bc29c9f0b/FLAG78839e5de [2020-11-07 05:37:58,043 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 05:37:58,044 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label03.c [2020-11-07 05:37:58,071 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff656dd8a/e8c8363ff4e94706a13b474bc29c9f0b/FLAG78839e5de [2020-11-07 05:37:58,327 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff656dd8a/e8c8363ff4e94706a13b474bc29c9f0b [2020-11-07 05:37:58,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 05:37:58,337 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 05:37:58,343 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 05:37:58,343 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 05:37:58,349 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 05:37:58,350 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:37:58" (1/1) ... [2020-11-07 05:37:58,353 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ffe4bbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:37:58, skipping insertion in model container [2020-11-07 05:37:58,353 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:37:58" (1/1) ... [2020-11-07 05:37:58,362 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 05:37:58,406 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 05:37:58,893 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 05:37:58,909 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 05:37:59,063 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 05:37:59,082 INFO L208 MainTranslator]: Completed translation [2020-11-07 05:37:59,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:37:59 WrapperNode [2020-11-07 05:37:59,083 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 05:37:59,084 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 05:37:59,084 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 05:37:59,084 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 05:37:59,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:37:59" (1/1) ... [2020-11-07 05:37:59,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:37:59" (1/1) ... [2020-11-07 05:37:59,127 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:37:59" (1/1) ... [2020-11-07 05:37:59,127 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:37:59" (1/1) ... [2020-11-07 05:37:59,169 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:37:59" (1/1) ... [2020-11-07 05:37:59,194 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:37:59" (1/1) ... [2020-11-07 05:37:59,202 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:37:59" (1/1) ... [2020-11-07 05:37:59,211 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 05:37:59,212 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 05:37:59,212 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 05:37:59,212 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 05:37:59,213 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:37:59" (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 [2020-11-07 05:37:59,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 05:37:59,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 05:37:59,307 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 05:37:59,307 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-11-07 05:37:59,307 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 05:37:59,307 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-11-07 05:37:59,307 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 05:37:59,308 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 05:37:59,308 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 05:37:59,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 05:37:59,308 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-07 05:37:59,308 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-07 05:37:59,308 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 05:37:59,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 05:37:59,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 05:37:59,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 05:37:59,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 05:37:59,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 05:37:59,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 05:38:00,845 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 05:38:00,845 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-07 05:38:00,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:38:00 BoogieIcfgContainer [2020-11-07 05:38:00,848 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 05:38:00,850 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 05:38:00,850 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 05:38:00,854 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 05:38:00,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 05:37:58" (1/3) ... [2020-11-07 05:38:00,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ff44971 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:38:00, skipping insertion in model container [2020-11-07 05:38:00,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:37:59" (2/3) ... [2020-11-07 05:38:00,856 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ff44971 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:38:00, skipping insertion in model container [2020-11-07 05:38:00,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:38:00" (3/3) ... [2020-11-07 05:38:00,857 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label03.c [2020-11-07 05:38:00,873 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 05:38:00,878 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-07 05:38:00,891 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-07 05:38:00,916 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 05:38:00,916 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 05:38:00,916 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-07 05:38:00,917 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 05:38:00,917 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 05:38:00,917 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 05:38:00,917 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 05:38:00,917 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 05:38:00,946 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states. [2020-11-07 05:38:00,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-11-07 05:38:00,975 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:38:00,976 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 05:38:00,976 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:38:00,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:38:00,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1161308796, now seen corresponding path program 1 times [2020-11-07 05:38:00,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:38:00,996 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2065598466] [2020-11-07 05:38:00,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:38:01,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:38:01,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:38:01,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:38:01,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 05:38:01,850 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2065598466] [2020-11-07 05:38:01,852 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 05:38:01,852 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-07 05:38:01,853 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679094] [2020-11-07 05:38:01,858 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-07 05:38:01,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:38:01,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-07 05:38:01,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-07 05:38:01,877 INFO L87 Difference]: Start difference. First operand 539 states. Second operand 5 states. [2020-11-07 05:38:04,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:38:04,979 INFO L93 Difference]: Finished difference Result 1218 states and 1665 transitions. [2020-11-07 05:38:04,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-07 05:38:04,981 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 164 [2020-11-07 05:38:04,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:38:05,010 INFO L225 Difference]: With dead ends: 1218 [2020-11-07 05:38:05,010 INFO L226 Difference]: Without dead ends: 636 [2020-11-07 05:38:05,019 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 [2020-11-07 05:38:05,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2020-11-07 05:38:05,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 622. [2020-11-07 05:38:05,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 622 states. [2020-11-07 05:38:05,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 783 transitions. [2020-11-07 05:38:05,277 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 783 transitions. Word has length 164 [2020-11-07 05:38:05,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:38:05,280 INFO L481 AbstractCegarLoop]: Abstraction has 622 states and 783 transitions. [2020-11-07 05:38:05,280 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-07 05:38:05,281 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 783 transitions. [2020-11-07 05:38:05,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-11-07 05:38:05,299 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:38:05,301 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, 1] [2020-11-07 05:38:05,302 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 05:38:05,302 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:38:05,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:38:05,303 INFO L82 PathProgramCache]: Analyzing trace with hash 1672532721, now seen corresponding path program 1 times [2020-11-07 05:38:05,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:38:05,304 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [972617970] [2020-11-07 05:38:05,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:38:05,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:38:05,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:38:05,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:38:05,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:38:05,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:38:05,647 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 05:38:05,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [972617970] [2020-11-07 05:38:05,648 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 05:38:05,648 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-07 05:38:05,648 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114536288] [2020-11-07 05:38:05,650 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-07 05:38:05,650 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:38:05,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-07 05:38:05,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-07 05:38:05,652 INFO L87 Difference]: Start difference. First operand 622 states and 783 transitions. Second operand 7 states. [2020-11-07 05:38:05,850 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-11-07 05:38:08,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:38:08,588 INFO L93 Difference]: Finished difference Result 1701 states and 2209 transitions. [2020-11-07 05:38:08,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-07 05:38:08,591 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 190 [2020-11-07 05:38:08,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:38:08,602 INFO L225 Difference]: With dead ends: 1701 [2020-11-07 05:38:08,602 INFO L226 Difference]: Without dead ends: 1109 [2020-11-07 05:38:08,606 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 [2020-11-07 05:38:08,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1109 states. [2020-11-07 05:38:08,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1109 to 882. [2020-11-07 05:38:08,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 882 states. [2020-11-07 05:38:08,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 882 states and 1110 transitions. [2020-11-07 05:38:08,779 INFO L78 Accepts]: Start accepts. Automaton has 882 states and 1110 transitions. Word has length 190 [2020-11-07 05:38:08,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:38:08,780 INFO L481 AbstractCegarLoop]: Abstraction has 882 states and 1110 transitions. [2020-11-07 05:38:08,780 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-07 05:38:08,780 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1110 transitions. [2020-11-07 05:38:08,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-11-07 05:38:08,786 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:38:08,786 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, 1] [2020-11-07 05:38:08,786 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-07 05:38:08,787 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:38:08,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:38:08,787 INFO L82 PathProgramCache]: Analyzing trace with hash -875025133, now seen corresponding path program 1 times [2020-11-07 05:38:08,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:38:08,788 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1375268201] [2020-11-07 05:38:08,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:38:08,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:38:08,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:38:08,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:38:08,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:38:09,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:38:09,143 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 05:38:09,144 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1375268201] [2020-11-07 05:38:09,146 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 05:38:09,150 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-07 05:38:09,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791698742] [2020-11-07 05:38:09,152 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 05:38:09,153 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:38:09,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 05:38:09,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-07 05:38:09,161 INFO L87 Difference]: Start difference. First operand 882 states and 1110 transitions. Second operand 8 states. [2020-11-07 05:38:09,400 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-11-07 05:38:13,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:38:13,443 INFO L93 Difference]: Finished difference Result 2764 states and 3774 transitions. [2020-11-07 05:38:13,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-07 05:38:13,444 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 198 [2020-11-07 05:38:13,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:38:13,458 INFO L225 Difference]: With dead ends: 2764 [2020-11-07 05:38:13,458 INFO L226 Difference]: Without dead ends: 1912 [2020-11-07 05:38:13,464 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 [2020-11-07 05:38:13,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1912 states. [2020-11-07 05:38:13,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1912 to 1679. [2020-11-07 05:38:13,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1679 states. [2020-11-07 05:38:13,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1679 states to 1679 states and 2181 transitions. [2020-11-07 05:38:13,871 INFO L78 Accepts]: Start accepts. Automaton has 1679 states and 2181 transitions. Word has length 198 [2020-11-07 05:38:13,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:38:13,871 INFO L481 AbstractCegarLoop]: Abstraction has 1679 states and 2181 transitions. [2020-11-07 05:38:13,872 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 05:38:13,872 INFO L276 IsEmpty]: Start isEmpty. Operand 1679 states and 2181 transitions. [2020-11-07 05:38:13,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-11-07 05:38:13,881 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:38:13,881 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, 1] [2020-11-07 05:38:13,881 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-07 05:38:13,881 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:38:13,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:38:13,882 INFO L82 PathProgramCache]: Analyzing trace with hash -637112751, now seen corresponding path program 1 times [2020-11-07 05:38:13,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:38:13,883 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1001002330] [2020-11-07 05:38:13,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:38:13,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:38:14,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:38:14,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:38:14,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:38:14,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:38:14,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-11-07 05:38:14,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:38:14,566 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 33 proven. 16 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-07 05:38:14,566 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1001002330] [2020-11-07 05:38:14,567 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:38:14,567 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-11-07 05:38:14,568 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510030081] [2020-11-07 05:38:14,569 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-11-07 05:38:14,569 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:38:14,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-11-07 05:38:14,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2020-11-07 05:38:14,570 INFO L87 Difference]: Start difference. First operand 1679 states and 2181 transitions. Second operand 13 states. [2020-11-07 05:38:16,533 WARN L194 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 92 [2020-11-07 05:38:18,221 WARN L194 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2020-11-07 05:38:20,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:38:20,447 INFO L93 Difference]: Finished difference Result 5336 states and 7137 transitions. [2020-11-07 05:38:20,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-11-07 05:38:20,448 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 220 [2020-11-07 05:38:20,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:38:20,467 INFO L225 Difference]: With dead ends: 5336 [2020-11-07 05:38:20,467 INFO L226 Difference]: Without dead ends: 2577 [2020-11-07 05:38:20,482 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2020-11-07 05:38:20,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2577 states. [2020-11-07 05:38:21,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2577 to 2303. [2020-11-07 05:38:21,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2303 states. [2020-11-07 05:38:21,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2303 states to 2303 states and 2803 transitions. [2020-11-07 05:38:21,083 INFO L78 Accepts]: Start accepts. Automaton has 2303 states and 2803 transitions. Word has length 220 [2020-11-07 05:38:21,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:38:21,085 INFO L481 AbstractCegarLoop]: Abstraction has 2303 states and 2803 transitions. [2020-11-07 05:38:21,085 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-11-07 05:38:21,085 INFO L276 IsEmpty]: Start isEmpty. Operand 2303 states and 2803 transitions. [2020-11-07 05:38:21,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-11-07 05:38:21,095 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:38:21,098 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 05:38:21,098 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-07 05:38:21,099 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:38:21,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:38:21,099 INFO L82 PathProgramCache]: Analyzing trace with hash 1814558122, now seen corresponding path program 1 times [2020-11-07 05:38:21,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:38:21,101 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2072806972] [2020-11-07 05:38:21,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:38:21,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:38:21,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:38:21,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:38:21,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:38:21,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:38:21,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-11-07 05:38:21,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:38:21,401 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-07 05:38:21,401 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2072806972] [2020-11-07 05:38:21,402 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:38:21,402 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-11-07 05:38:21,402 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813596574] [2020-11-07 05:38:21,403 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 05:38:21,403 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:38:21,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 05:38:21,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-07 05:38:21,404 INFO L87 Difference]: Start difference. First operand 2303 states and 2803 transitions. Second operand 8 states. [2020-11-07 05:38:25,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:38:25,225 INFO L93 Difference]: Finished difference Result 6172 states and 7769 transitions. [2020-11-07 05:38:25,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-07 05:38:25,226 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 221 [2020-11-07 05:38:25,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:38:25,252 INFO L225 Difference]: With dead ends: 6172 [2020-11-07 05:38:25,253 INFO L226 Difference]: Without dead ends: 3590 [2020-11-07 05:38:25,264 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-11-07 05:38:25,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3590 states. [2020-11-07 05:38:26,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3590 to 3541. [2020-11-07 05:38:26,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3541 states. [2020-11-07 05:38:26,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3541 states to 3541 states and 4209 transitions. [2020-11-07 05:38:26,122 INFO L78 Accepts]: Start accepts. Automaton has 3541 states and 4209 transitions. Word has length 221 [2020-11-07 05:38:26,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:38:26,123 INFO L481 AbstractCegarLoop]: Abstraction has 3541 states and 4209 transitions. [2020-11-07 05:38:26,123 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 05:38:26,124 INFO L276 IsEmpty]: Start isEmpty. Operand 3541 states and 4209 transitions. [2020-11-07 05:38:26,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2020-11-07 05:38:26,138 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:38:26,139 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-07 05:38:26,139 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-07 05:38:26,139 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:38:26,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:38:26,140 INFO L82 PathProgramCache]: Analyzing trace with hash -2131756097, now seen corresponding path program 1 times [2020-11-07 05:38:26,140 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:38:26,141 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1322531439] [2020-11-07 05:38:26,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:38:26,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:38:26,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:38:26,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:38:26,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:38:26,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:38:26,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-11-07 05:38:26,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:38:26,429 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 99 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-07 05:38:26,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1322531439] [2020-11-07 05:38:26,429 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:38:26,429 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-11-07 05:38:26,430 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806325798] [2020-11-07 05:38:26,430 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-07 05:38:26,430 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:38:26,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-07 05:38:26,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-07 05:38:26,431 INFO L87 Difference]: Start difference. First operand 3541 states and 4209 transitions. Second operand 7 states. [2020-11-07 05:38:30,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:38:30,968 INFO L93 Difference]: Finished difference Result 7909 states and 9698 transitions. [2020-11-07 05:38:30,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-07 05:38:30,969 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 247 [2020-11-07 05:38:30,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:38:31,006 INFO L225 Difference]: With dead ends: 7909 [2020-11-07 05:38:31,006 INFO L226 Difference]: Without dead ends: 4398 [2020-11-07 05:38:31,020 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-11-07 05:38:31,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4398 states. [2020-11-07 05:38:31,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4398 to 3999. [2020-11-07 05:38:31,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3999 states. [2020-11-07 05:38:31,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3999 states to 3999 states and 4604 transitions. [2020-11-07 05:38:31,880 INFO L78 Accepts]: Start accepts. Automaton has 3999 states and 4604 transitions. Word has length 247 [2020-11-07 05:38:31,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:38:31,881 INFO L481 AbstractCegarLoop]: Abstraction has 3999 states and 4604 transitions. [2020-11-07 05:38:31,881 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-07 05:38:31,881 INFO L276 IsEmpty]: Start isEmpty. Operand 3999 states and 4604 transitions. [2020-11-07 05:38:31,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2020-11-07 05:38:31,900 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:38:31,900 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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] [2020-11-07 05:38:31,901 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-07 05:38:31,901 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:38:31,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:38:31,901 INFO L82 PathProgramCache]: Analyzing trace with hash -1191423167, now seen corresponding path program 1 times [2020-11-07 05:38:31,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:38:31,902 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1878842752] [2020-11-07 05:38:31,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:38:31,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:38:32,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:38:32,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:38:32,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:38:32,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:38:32,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 05:38:32,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:38:32,274 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 109 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-07 05:38:32,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1878842752] [2020-11-07 05:38:32,275 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:38:32,275 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-11-07 05:38:32,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065248007] [2020-11-07 05:38:32,276 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-07 05:38:32,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:38:32,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-07 05:38:32,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-07 05:38:32,277 INFO L87 Difference]: Start difference. First operand 3999 states and 4604 transitions. Second operand 7 states. [2020-11-07 05:38:33,430 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-11-07 05:38:35,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:38:35,448 INFO L93 Difference]: Finished difference Result 9295 states and 10994 transitions. [2020-11-07 05:38:35,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-07 05:38:35,448 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 263 [2020-11-07 05:38:35,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:38:35,477 INFO L225 Difference]: With dead ends: 9295 [2020-11-07 05:38:35,477 INFO L226 Difference]: Without dead ends: 4176 [2020-11-07 05:38:35,497 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-11-07 05:38:35,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4176 states. [2020-11-07 05:38:36,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4176 to 3917. [2020-11-07 05:38:36,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3917 states. [2020-11-07 05:38:36,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3917 states to 3917 states and 4287 transitions. [2020-11-07 05:38:36,426 INFO L78 Accepts]: Start accepts. Automaton has 3917 states and 4287 transitions. Word has length 263 [2020-11-07 05:38:36,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:38:36,427 INFO L481 AbstractCegarLoop]: Abstraction has 3917 states and 4287 transitions. [2020-11-07 05:38:36,427 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-07 05:38:36,427 INFO L276 IsEmpty]: Start isEmpty. Operand 3917 states and 4287 transitions. [2020-11-07 05:38:36,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2020-11-07 05:38:36,439 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:38:36,440 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-07 05:38:36,440 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-07 05:38:36,440 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:38:36,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:38:36,441 INFO L82 PathProgramCache]: Analyzing trace with hash 1880074081, now seen corresponding path program 1 times [2020-11-07 05:38:36,441 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:38:36,441 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1919407788] [2020-11-07 05:38:36,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:38:36,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:38:36,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:38:36,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:38:36,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:38:36,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:38:36,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-11-07 05:38:36,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:38:37,121 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 104 proven. 16 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-11-07 05:38:37,122 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1919407788] [2020-11-07 05:38:37,122 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:38:37,122 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-11-07 05:38:37,123 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897990062] [2020-11-07 05:38:37,123 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-11-07 05:38:37,123 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:38:37,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-11-07 05:38:37,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2020-11-07 05:38:37,124 INFO L87 Difference]: Start difference. First operand 3917 states and 4287 transitions. Second operand 13 states. [2020-11-07 05:38:38,948 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-11-07 05:38:41,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:38:41,339 INFO L93 Difference]: Finished difference Result 6661 states and 7269 transitions. [2020-11-07 05:38:41,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-07 05:38:41,339 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 291 [2020-11-07 05:38:41,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:38:41,344 INFO L225 Difference]: With dead ends: 6661 [2020-11-07 05:38:41,344 INFO L226 Difference]: Without dead ends: 0 [2020-11-07 05:38:41,360 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=79, Invalid=193, Unknown=0, NotChecked=0, Total=272 [2020-11-07 05:38:41,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-07 05:38:41,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-07 05:38:41,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-07 05:38:41,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-07 05:38:41,361 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 291 [2020-11-07 05:38:41,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:38:41,361 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-07 05:38:41,361 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-11-07 05:38:41,362 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-07 05:38:41,362 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-07 05:38:41,362 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-07 05:38:41,364 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-07 05:39:00,018 WARN L194 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 174 [2020-11-07 05:39:14,280 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 174 [2020-11-07 05:39:31,514 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 174 [2020-11-07 05:39:31,623 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 174 [2020-11-07 05:39:31,730 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 174 [2020-11-07 05:39:31,837 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 174 [2020-11-07 05:39:39,649 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 174 [2020-11-07 05:39:39,770 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 174 [2020-11-07 05:39:39,874 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 174 [2020-11-07 05:39:46,777 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 174 [2020-11-07 05:39:53,778 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-11-07 05:39:54,440 WARN L194 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 72 [2020-11-07 05:39:57,539 WARN L194 SmtUtils]: Spent 3.09 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-11-07 05:39:58,380 WARN L194 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 77 [2020-11-07 05:39:59,529 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-11-07 05:40:02,603 WARN L194 SmtUtils]: Spent 3.06 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-11-07 05:40:05,679 WARN L194 SmtUtils]: Spent 3.07 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-11-07 05:40:08,753 WARN L194 SmtUtils]: Spent 3.07 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-11-07 05:40:09,897 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-11-07 05:40:11,039 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-11-07 05:40:12,174 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-11-07 05:40:15,257 WARN L194 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-11-07 05:40:16,157 WARN L194 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 67 [2020-11-07 05:40:17,101 WARN L194 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-11-07 05:40:18,131 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 149 DAG size of output: 72 [2020-11-07 05:40:18,796 WARN L194 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 70 [2020-11-07 05:40:19,480 WARN L194 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 72 [2020-11-07 05:40:20,307 WARN L194 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-11-07 05:40:21,323 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 98 DAG size of output: 67 [2020-11-07 05:40:22,237 WARN L194 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 67 [2020-11-07 05:40:23,210 WARN L194 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 73 [2020-11-07 05:40:26,351 WARN L194 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:40:29,509 WARN L194 SmtUtils]: Spent 3.15 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:40:30,275 WARN L194 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 69 [2020-11-07 05:40:31,143 WARN L194 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 65 [2020-11-07 05:40:32,311 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-11-07 05:40:33,464 WARN L194 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-11-07 05:40:36,571 WARN L194 SmtUtils]: Spent 3.10 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-11-07 05:40:37,854 WARN L194 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 154 DAG size of output: 70 [2020-11-07 05:40:39,658 WARN L194 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 154 DAG size of output: 77 [2020-11-07 05:40:42,832 WARN L194 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:40:43,798 WARN L194 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 72 [2020-11-07 05:40:44,882 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2020-11-07 05:40:45,885 WARN L194 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 70 [2020-11-07 05:40:46,798 WARN L194 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 67 [2020-11-07 05:40:47,496 WARN L194 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 68 [2020-11-07 05:40:50,677 WARN L194 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:40:51,353 WARN L194 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2020-11-07 05:40:52,174 WARN L194 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-11-07 05:40:55,352 WARN L194 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:40:56,360 WARN L194 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 146 DAG size of output: 70 [2020-11-07 05:40:57,717 WARN L194 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 159 DAG size of output: 77 [2020-11-07 05:41:00,902 WARN L194 SmtUtils]: Spent 3.18 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:41:01,702 WARN L194 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2020-11-07 05:41:03,326 WARN L194 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 153 DAG size of output: 77 [2020-11-07 05:41:06,525 WARN L194 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:41:09,743 WARN L194 SmtUtils]: Spent 3.21 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:41:10,692 WARN L194 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 71 [2020-11-07 05:41:11,959 WARN L194 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 151 DAG size of output: 71 [2020-11-07 05:41:12,692 WARN L194 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 70 [2020-11-07 05:41:13,747 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 101 DAG size of output: 66 [2020-11-07 05:41:14,544 WARN L194 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2020-11-07 05:41:15,475 WARN L194 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 66 [2020-11-07 05:41:16,410 WARN L194 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 67 [2020-11-07 05:41:17,172 WARN L194 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 73 [2020-11-07 05:41:18,518 WARN L194 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 145 DAG size of output: 71 [2020-11-07 05:41:19,634 WARN L194 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 114 DAG size of output: 75 [2020-11-07 05:41:22,851 WARN L194 SmtUtils]: Spent 3.21 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:41:26,070 WARN L194 SmtUtils]: Spent 3.21 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:41:29,312 WARN L194 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:41:30,609 WARN L194 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 147 DAG size of output: 71 [2020-11-07 05:41:31,311 WARN L194 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 72 [2020-11-07 05:41:34,537 WARN L194 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:41:35,515 WARN L194 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-11-07 05:41:36,372 WARN L194 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 68 [2020-11-07 05:41:37,245 WARN L194 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 76 [2020-11-07 05:41:40,433 WARN L194 SmtUtils]: Spent 3.18 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-11-07 05:41:41,630 WARN L194 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-11-07 05:41:44,813 WARN L194 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-11-07 05:41:47,992 WARN L194 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-11-07 05:41:51,184 WARN L194 SmtUtils]: Spent 3.18 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-11-07 05:41:52,372 WARN L194 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-11-07 05:41:53,345 WARN L194 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 71 [2020-11-07 05:41:56,607 WARN L194 SmtUtils]: Spent 3.26 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:41:58,425 WARN L194 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 153 DAG size of output: 77 [2020-11-07 05:41:59,529 WARN L194 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 155 DAG size of output: 76 [2020-11-07 05:42:00,504 WARN L194 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 68 [2020-11-07 05:42:01,761 WARN L194 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 151 DAG size of output: 71 [2020-11-07 05:42:02,473 WARN L194 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 71 [2020-11-07 05:42:03,331 WARN L194 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-11-07 05:42:04,295 WARN L194 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 69 [2020-11-07 05:42:07,567 WARN L194 SmtUtils]: Spent 3.26 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:42:10,834 WARN L194 SmtUtils]: Spent 3.26 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:42:11,868 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 96 DAG size of output: 65 [2020-11-07 05:42:12,639 WARN L194 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 67 [2020-11-07 05:42:13,622 WARN L194 SmtUtils]: Spent 977.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 73 [2020-11-07 05:42:14,705 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 99 DAG size of output: 68 [2020-11-07 05:42:16,167 WARN L194 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 150 DAG size of output: 77 [2020-11-07 05:42:19,386 WARN L194 SmtUtils]: Spent 3.21 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-11-07 05:42:22,674 WARN L194 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:42:25,966 WARN L194 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:42:27,353 WARN L194 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 102 DAG size of output: 70 [2020-11-07 05:42:28,572 WARN L194 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-11-07 05:42:29,781 WARN L194 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-11-07 05:42:33,020 WARN L194 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-11-07 05:42:34,228 WARN L194 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-11-07 05:42:37,468 WARN L194 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-11-07 05:42:40,707 WARN L194 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-11-07 05:42:41,852 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 111 DAG size of output: 75 [2020-11-07 05:42:43,562 WARN L194 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 153 DAG size of output: 78 [2020-11-07 05:42:44,569 WARN L194 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 149 DAG size of output: 69 [2020-11-07 05:42:45,641 WARN L194 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 98 DAG size of output: 69 [2020-11-07 05:42:46,640 WARN L194 SmtUtils]: Spent 992.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 69 [2020-11-07 05:42:49,949 WARN L194 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:42:50,825 WARN L194 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-11-07 05:42:54,136 WARN L194 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:42:55,106 WARN L194 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 61 [2020-11-07 05:42:56,170 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 104 DAG size of output: 68 [2020-11-07 05:42:57,570 WARN L194 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 151 DAG size of output: 73 [2020-11-07 05:43:00,898 WARN L194 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:43:04,228 WARN L194 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:43:07,571 WARN L194 SmtUtils]: Spent 3.34 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:43:08,573 WARN L194 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 73 [2020-11-07 05:43:09,660 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 150 DAG size of output: 72 [2020-11-07 05:43:10,545 WARN L194 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-11-07 05:43:13,838 WARN L194 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-11-07 05:43:15,072 WARN L194 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-11-07 05:43:16,310 WARN L194 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-11-07 05:43:17,538 WARN L194 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-11-07 05:43:18,629 WARN L194 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 148 DAG size of output: 70 [2020-11-07 05:43:19,639 WARN L194 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 104 DAG size of output: 71 [2020-11-07 05:43:20,523 WARN L194 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-11-07 05:43:21,842 WARN L194 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 159 DAG size of output: 75 [2020-11-07 05:43:23,002 WARN L194 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 106 DAG size of output: 73 [2020-11-07 05:43:24,054 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-11-07 05:43:25,086 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-11-07 05:43:26,151 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 147 DAG size of output: 69 [2020-11-07 05:43:27,230 WARN L194 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 103 DAG size of output: 68 [2020-11-07 05:43:28,221 WARN L194 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 67 [2020-11-07 05:43:31,578 WARN L194 SmtUtils]: Spent 3.35 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:43:32,643 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 147 DAG size of output: 69 [2020-11-07 05:43:36,013 WARN L194 SmtUtils]: Spent 3.36 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:43:39,377 WARN L194 SmtUtils]: Spent 3.36 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:43:40,162 WARN L194 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 70 [2020-11-07 05:43:41,000 WARN L194 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 74 [2020-11-07 05:43:41,893 WARN L194 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-11-07 05:43:42,932 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-11-07 05:43:43,693 WARN L194 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 70 [2020-11-07 05:43:44,671 WARN L194 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 77 [2020-11-07 05:43:45,733 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 104 DAG size of output: 70 [2020-11-07 05:43:46,626 WARN L194 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-11-07 05:43:47,699 WARN L194 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 143 DAG size of output: 70 [2020-11-07 05:43:48,697 WARN L194 SmtUtils]: Spent 992.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 67 [2020-11-07 05:43:49,946 WARN L194 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-11-07 05:43:51,191 WARN L194 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-11-07 05:43:54,511 WARN L194 SmtUtils]: Spent 3.31 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-11-07 05:43:55,777 WARN L194 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-11-07 05:43:59,127 WARN L194 SmtUtils]: Spent 3.34 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-11-07 05:44:00,401 WARN L194 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-11-07 05:44:01,453 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 145 DAG size of output: 69 [2020-11-07 05:44:02,479 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 101 DAG size of output: 70 [2020-11-07 05:44:03,480 WARN L194 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 68 [2020-11-07 05:44:06,886 WARN L194 SmtUtils]: Spent 3.40 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:44:07,941 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 98 DAG size of output: 66 [2020-11-07 05:44:08,927 WARN L194 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 65 [2020-11-07 05:44:09,911 WARN L194 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2020-11-07 05:44:13,337 WARN L194 SmtUtils]: Spent 3.42 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:44:14,598 WARN L194 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-11-07 05:44:17,962 WARN L194 SmtUtils]: Spent 3.36 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-11-07 05:44:21,337 WARN L194 SmtUtils]: Spent 3.37 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-11-07 05:44:22,450 WARN L194 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 147 DAG size of output: 70 [2020-11-07 05:44:25,838 WARN L194 SmtUtils]: Spent 3.38 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-11-07 05:44:27,115 WARN L194 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-11-07 05:44:30,497 WARN L194 SmtUtils]: Spent 3.37 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-11-07 05:44:31,416 WARN L194 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 68 [2020-11-07 05:44:32,349 WARN L194 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 68 [2020-11-07 05:44:33,277 WARN L194 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 68 [2020-11-07 05:44:36,668 WARN L194 SmtUtils]: Spent 3.38 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-11-07 05:44:37,950 WARN L194 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-11-07 05:44:41,348 WARN L194 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-11-07 05:44:42,170 WARN L194 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 70 [2020-11-07 05:44:43,222 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 101 DAG size of output: 69 [2020-11-07 05:44:44,329 WARN L194 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 147 DAG size of output: 69 [2020-11-07 05:44:47,801 WARN L194 SmtUtils]: Spent 3.46 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:44:48,798 WARN L194 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2020-11-07 05:44:49,935 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 147 DAG size of output: 70 [2020-11-07 05:44:51,092 WARN L194 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 96 DAG size of output: 65 [2020-11-07 05:44:54,587 WARN L194 SmtUtils]: Spent 3.49 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:44:58,055 WARN L194 SmtUtils]: Spent 3.46 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:44:59,200 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 150 DAG size of output: 72 [2020-11-07 05:45:02,697 WARN L194 SmtUtils]: Spent 3.49 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:45:03,630 WARN L194 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 68 [2020-11-07 05:45:07,057 WARN L194 SmtUtils]: Spent 3.42 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-11-07 05:45:10,498 WARN L194 SmtUtils]: Spent 3.43 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-11-07 05:45:14,104 WARN L194 SmtUtils]: Spent 3.51 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:45:15,046 WARN L194 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-11-07 05:45:16,063 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 97 DAG size of output: 65 [2020-11-07 05:45:19,560 WARN L194 SmtUtils]: Spent 3.49 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:45:20,627 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 101 DAG size of output: 69 [2020-11-07 05:45:24,151 WARN L194 SmtUtils]: Spent 3.52 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:45:25,373 WARN L194 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 155 DAG size of output: 74 [2020-11-07 05:45:26,445 WARN L194 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 104 DAG size of output: 70 [2020-11-07 05:45:27,634 WARN L194 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 106 DAG size of output: 72 [2020-11-07 05:45:28,574 WARN L194 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-11-07 05:45:29,608 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 104 DAG size of output: 67 [2020-11-07 05:45:30,747 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 103 DAG size of output: 68 [2020-11-07 05:45:31,903 WARN L194 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 147 DAG size of output: 70 [2020-11-07 05:45:33,054 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 148 DAG size of output: 70 [2020-11-07 05:45:34,166 WARN L194 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 145 DAG size of output: 69 [2020-11-07 05:45:35,243 WARN L194 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 103 DAG size of output: 68 [2020-11-07 05:45:36,197 WARN L194 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-11-07 05:45:36,999 WARN L194 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 69 [2020-11-07 05:45:40,537 WARN L194 SmtUtils]: Spent 3.53 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:45:41,588 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 95 DAG size of output: 65 [2020-11-07 05:45:42,556 WARN L194 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 76 [2020-11-07 05:45:43,568 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 104 DAG size of output: 67 [2020-11-07 05:45:44,622 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 97 DAG size of output: 67 [2020-11-07 05:45:48,128 WARN L194 SmtUtils]: Spent 3.50 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:45:51,625 WARN L194 SmtUtils]: Spent 3.49 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:45:52,561 WARN L194 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-11-07 05:45:53,700 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 111 DAG size of output: 72 [2020-11-07 05:45:55,170 WARN L194 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 151 DAG size of output: 72 [2020-11-07 05:45:56,205 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 135 DAG size of output: 61 [2020-11-07 05:45:57,357 WARN L194 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 147 DAG size of output: 70 [2020-11-07 05:45:58,474 WARN L194 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-11-07 05:45:59,481 WARN L194 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 67 [2020-11-07 05:46:00,245 WARN L194 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2020-11-07 05:46:03,775 WARN L194 SmtUtils]: Spent 3.52 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:46:07,287 WARN L194 SmtUtils]: Spent 3.50 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:46:08,651 WARN L194 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 102 DAG size of output: 68 [2020-11-07 05:46:12,187 WARN L194 SmtUtils]: Spent 3.53 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:46:15,715 WARN L194 SmtUtils]: Spent 3.52 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:46:16,504 WARN L194 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 68 [2020-11-07 05:46:20,056 WARN L194 SmtUtils]: Spent 3.54 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:46:21,606 WARN L194 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 150 DAG size of output: 73 [2020-11-07 05:46:25,142 WARN L194 SmtUtils]: Spent 3.53 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:46:26,466 WARN L194 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-11-07 05:46:29,952 WARN L194 SmtUtils]: Spent 3.48 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-11-07 05:46:33,428 WARN L194 SmtUtils]: Spent 3.47 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-11-07 05:46:36,925 WARN L194 SmtUtils]: Spent 3.49 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-11-07 05:46:37,889 WARN L194 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 68 [2020-11-07 05:46:39,220 WARN L194 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-11-07 05:46:40,554 WARN L194 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-11-07 05:46:44,064 WARN L194 SmtUtils]: Spent 3.50 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-11-07 05:46:45,022 WARN L194 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 68 [2020-11-07 05:46:46,125 WARN L194 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 104 DAG size of output: 70 [2020-11-07 05:46:47,214 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 101 DAG size of output: 69 [2020-11-07 05:46:48,309 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 103 DAG size of output: 68 [2020-11-07 05:46:49,435 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 98 DAG size of output: 66 [2020-11-07 05:46:50,662 WARN L194 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 157 DAG size of output: 74 [2020-11-07 05:46:51,647 WARN L194 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-11-07 05:46:52,739 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 103 DAG size of output: 67 [2020-11-07 05:46:53,827 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 101 DAG size of output: 69 [2020-11-07 05:46:54,869 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 102 DAG size of output: 67 [2020-11-07 05:46:55,971 WARN L194 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2020-11-07 05:46:57,167 WARN L194 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 96 DAG size of output: 65 [2020-11-07 05:46:58,688 WARN L194 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 147 DAG size of output: 71 [2020-11-07 05:47:00,245 WARN L194 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 154 DAG size of output: 75 [2020-11-07 05:47:01,212 WARN L194 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 68 [2020-11-07 05:47:04,747 WARN L194 SmtUtils]: Spent 3.53 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-11-07 05:47:05,651 WARN L194 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 71 [2020-11-07 05:47:06,705 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 104 DAG size of output: 70 [2020-11-07 05:47:07,505 WARN L194 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 70 [2020-11-07 05:47:11,125 WARN L194 SmtUtils]: Spent 3.61 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:47:12,764 WARN L194 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 150 DAG size of output: 77 [2020-11-07 05:47:14,238 WARN L194 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 151 DAG size of output: 71 [2020-11-07 05:47:15,379 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 96 DAG size of output: 64 [2020-11-07 05:47:16,425 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 102 DAG size of output: 67 [2020-11-07 05:47:17,232 WARN L194 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2020-11-07 05:47:18,213 WARN L194 SmtUtils]: Spent 975.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-11-07 05:47:19,338 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 109 DAG size of output: 72 [2020-11-07 05:47:21,424 WARN L194 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 154 DAG size of output: 77 [2020-11-07 05:47:22,536 WARN L194 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 103 DAG size of output: 69 [2020-11-07 05:47:23,721 WARN L194 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 147 DAG size of output: 70 [2020-11-07 05:47:27,341 WARN L194 SmtUtils]: Spent 3.61 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:47:30,961 WARN L194 SmtUtils]: Spent 3.61 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:47:31,948 WARN L194 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-11-07 05:47:35,564 WARN L194 SmtUtils]: Spent 3.61 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:47:39,130 WARN L194 SmtUtils]: Spent 3.56 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-11-07 05:47:40,593 WARN L194 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 149 DAG size of output: 73 [2020-11-07 05:47:41,917 WARN L194 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 104 DAG size of output: 71 [2020-11-07 05:47:42,899 WARN L194 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-11-07 05:47:43,875 WARN L194 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-11-07 05:47:44,966 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 93 DAG size of output: 61 [2020-11-07 05:47:46,107 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-11-07 05:47:49,764 WARN L194 SmtUtils]: Spent 3.65 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:47:50,855 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 103 DAG size of output: 67 [2020-11-07 05:47:52,070 WARN L194 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 117 DAG size of output: 74 [2020-11-07 05:47:55,712 WARN L194 SmtUtils]: Spent 3.64 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:47:56,484 WARN L194 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 62 [2020-11-07 05:48:00,125 WARN L194 SmtUtils]: Spent 3.63 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:48:01,043 WARN L194 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 70 [2020-11-07 05:48:02,093 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 101 DAG size of output: 68 [2020-11-07 05:48:05,758 WARN L194 SmtUtils]: Spent 3.66 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:48:06,966 WARN L194 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 95 DAG size of output: 64 [2020-11-07 05:48:08,182 WARN L194 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 101 DAG size of output: 69 [2020-11-07 05:48:09,356 WARN L194 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 100 DAG size of output: 64 [2020-11-07 05:48:10,208 WARN L194 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 64 [2020-11-07 05:48:11,277 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 103 DAG size of output: 67 [2020-11-07 05:48:12,528 WARN L194 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 155 DAG size of output: 76 [2020-11-07 05:48:13,997 WARN L194 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 149 DAG size of output: 70 [2020-11-07 05:48:15,907 WARN L194 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 153 DAG size of output: 77 [2020-11-07 05:48:16,733 WARN L194 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2020-11-07 05:48:18,172 WARN L194 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 151 DAG size of output: 71 [2020-11-07 05:48:19,291 WARN L194 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 106 DAG size of output: 71 [2020-11-07 05:48:21,444 WARN L194 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 154 DAG size of output: 77 [2020-11-07 05:48:22,590 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 103 DAG size of output: 69 [2020-11-07 05:48:23,763 WARN L194 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 149 DAG size of output: 69 [2020-11-07 05:48:24,710 WARN L194 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 74 [2020-11-07 05:48:25,716 WARN L194 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-11-07 05:48:26,851 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 103 DAG size of output: 70 [2020-11-07 05:48:30,582 WARN L194 SmtUtils]: Spent 3.72 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:48:30,734 WARN L194 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 34 [2020-11-07 05:48:34,458 WARN L194 SmtUtils]: Spent 3.72 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:48:35,471 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-11-07 05:48:36,854 WARN L194 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 105 DAG size of output: 76 [2020-11-07 05:48:37,861 WARN L194 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-11-07 05:48:39,113 WARN L194 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 109 DAG size of output: 73 [2020-11-07 05:48:40,178 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 161 DAG size of output: 76 [2020-11-07 05:48:41,312 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 103 DAG size of output: 67 [2020-11-07 05:48:42,243 WARN L194 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 70 [2020-11-07 05:48:43,712 WARN L194 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 149 DAG size of output: 70 [2020-11-07 05:48:44,720 WARN L194 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-11-07 05:48:45,939 WARN L194 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 150 DAG size of output: 72 [2020-11-07 05:48:47,165 WARN L194 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 101 DAG size of output: 69 [2020-11-07 05:48:48,252 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 101 DAG size of output: 68 [2020-11-07 05:48:51,984 WARN L194 SmtUtils]: Spent 3.72 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:48:53,382 WARN L194 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-11-07 05:48:54,614 WARN L194 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 103 DAG size of output: 69 [2020-11-07 05:48:58,303 WARN L194 SmtUtils]: Spent 3.65 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-11-07 05:49:02,057 WARN L194 SmtUtils]: Spent 3.75 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:49:03,263 WARN L194 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-11-07 05:49:06,940 WARN L194 SmtUtils]: Spent 3.66 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-11-07 05:49:07,952 WARN L194 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 143 DAG size of output: 68 [2020-11-07 05:49:08,964 WARN L194 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 143 DAG size of output: 68 [2020-11-07 05:49:09,971 WARN L194 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 68 [2020-11-07 05:49:13,651 WARN L194 SmtUtils]: Spent 3.67 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-11-07 05:49:15,059 WARN L194 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-11-07 05:49:18,759 WARN L194 SmtUtils]: Spent 3.69 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-11-07 05:49:22,437 WARN L194 SmtUtils]: Spent 3.67 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-11-07 05:49:23,847 WARN L194 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-11-07 05:49:27,538 WARN L194 SmtUtils]: Spent 3.68 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-11-07 05:49:31,249 WARN L194 SmtUtils]: Spent 3.70 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-11-07 05:49:32,274 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 143 DAG size of output: 68 [2020-11-07 05:49:33,247 WARN L194 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 71 [2020-11-07 05:49:34,796 WARN L194 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 149 DAG size of output: 73 [2020-11-07 05:49:35,957 WARN L194 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 102 DAG size of output: 70 [2020-11-07 05:49:37,090 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 105 DAG size of output: 69 [2020-11-07 05:49:38,135 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 143 DAG size of output: 68 [2020-11-07 05:49:41,893 WARN L194 SmtUtils]: Spent 3.75 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-11-07 05:49:45,554 WARN L194 SmtUtils]: Spent 3.65 s on a formula simplification. DAG size of input: 189 DAG size of output: 73 [2020-11-07 05:49:46,678 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 101 DAG size of output: 65 [2020-11-07 05:49:50,476 WARN L194 SmtUtils]: Spent 3.79 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:49:54,469 WARN L194 SmtUtils]: Spent 3.99 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-11-07 05:49:55,989 WARN L194 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-11-07 05:49:57,513 WARN L194 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-11-07 05:49:58,597 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 143 DAG size of output: 68 [2020-11-07 05:50:02,479 WARN L194 SmtUtils]: Spent 3.88 s on a formula simplification. DAG size of input: 187 DAG size of output: 76 [2020-11-07 05:50:03,671 WARN L194 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 135 DAG size of output: 61 [2020-11-07 05:50:04,869 WARN L194 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 135 DAG size of output: 61 [2020-11-07 05:50:06,060 WARN L194 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 135 DAG size of output: 61 [2020-11-07 05:50:07,276 WARN L194 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 135 DAG size of output: 61 [2020-11-07 05:50:19,851 WARN L194 SmtUtils]: Spent 12.56 s on a formula simplification. DAG size of input: 299 DAG size of output: 159 [2020-11-07 05:50:32,232 WARN L194 SmtUtils]: Spent 12.33 s on a formula simplification. DAG size of input: 299 DAG size of output: 159 [2020-11-07 05:50:36,042 WARN L194 SmtUtils]: Spent 3.80 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:50:37,155 WARN L194 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 150 DAG size of output: 77 [2020-11-07 05:50:38,426 WARN L194 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 150 DAG size of output: 72 [2020-11-07 05:50:42,394 WARN L194 SmtUtils]: Spent 3.96 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:50:43,571 WARN L194 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 103 DAG size of output: 67 [2020-11-07 05:50:47,528 WARN L194 SmtUtils]: Spent 3.95 s on a formula simplification. DAG size of input: 190 DAG size of output: 75 [2020-11-07 05:50:48,920 WARN L194 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 105 DAG size of output: 70 [2020-11-07 05:50:50,190 WARN L194 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 93 DAG size of output: 62 [2020-11-07 05:50:54,185 WARN L194 SmtUtils]: Spent 3.99 s on a formula simplification. DAG size of input: 190 DAG size of output: 75