/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label08.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 05:21:58,890 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 05:21:58,894 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 05:21:58,950 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-11-07 05:21:58,977 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 05:21:58,980 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 05:21:58,982 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 05:21:58,984 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 05:21:58,985 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 05:21:58,989 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 05:21:58,997 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 05:21:59,004 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 05:21:59,006 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 05:21:59,008 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 05:21:59,009 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 05:21:59,012 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 05:21:59,021 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-07 05:21:59,032 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 05:21:59,033 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 05:21:59,034 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 05:21:59,035 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 05:21:59,057 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 05:21:59,057 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 05:21:59,062 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 05:21:59,062 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 05:21:59,063 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 05:21:59,063 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 05:21:59,063 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 05:21:59,063 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 05:21:59,063 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 05:21:59,064 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 05:21:59,065 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 05:21:59,065 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 05:21:59,065 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 05:21:59,066 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 05:21:59,066 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 05:21:59,066 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 05:21:59,066 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 05:21:59,067 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 05:21:59,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 05:21:59,067 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 05:21:59,067 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 05:21:59,067 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 05:21:59,068 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-11-07 05:21:59,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 05:21:59,544 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 05:21:59,547 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 05:21:59,548 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 05:21:59,549 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 05:21:59,550 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label08.c [2020-11-07 05:21:59,629 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6426729d2/6545589368104fbda35179ee5bc03c8c/FLAG08bf7e414 [2020-11-07 05:22:00,503 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 05:22:00,504 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label08.c [2020-11-07 05:22:00,515 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6426729d2/6545589368104fbda35179ee5bc03c8c/FLAG08bf7e414 [2020-11-07 05:22:00,530 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6426729d2/6545589368104fbda35179ee5bc03c8c [2020-11-07 05:22:00,533 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 05:22:00,539 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 05:22:00,541 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 05:22:00,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 05:22:00,551 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 05:22:00,552 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:22:00" (1/1) ... [2020-11-07 05:22:00,555 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e58e3eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:22:00, skipping insertion in model container [2020-11-07 05:22:00,556 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:22:00" (1/1) ... [2020-11-07 05:22:00,564 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 05:22:00,609 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 05:22:01,084 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 05:22:01,095 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 05:22:01,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 05:22:01,314 INFO L208 MainTranslator]: Completed translation [2020-11-07 05:22:01,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:22:01 WrapperNode [2020-11-07 05:22:01,315 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 05:22:01,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 05:22:01,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 05:22:01,317 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 05:22:01,330 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:22:01" (1/1) ... [2020-11-07 05:22:01,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:22:01" (1/1) ... [2020-11-07 05:22:01,352 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:22:01" (1/1) ... [2020-11-07 05:22:01,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:22:01" (1/1) ... [2020-11-07 05:22:01,442 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:22:01" (1/1) ... [2020-11-07 05:22:01,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:22:01" (1/1) ... [2020-11-07 05:22:01,487 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:22:01" (1/1) ... [2020-11-07 05:22:01,500 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 05:22:01,501 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 05:22:01,501 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 05:22:01,501 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 05:22:01,502 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:22:01" (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 05:22:01,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 05:22:01,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 05:22:01,589 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 05:22:01,589 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-11-07 05:22:01,589 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 05:22:01,589 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-11-07 05:22:01,590 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 05:22:01,590 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 05:22:01,590 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 05:22:01,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 05:22:01,590 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-07 05:22:01,591 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-07 05:22:01,591 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 05:22:01,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 05:22:01,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 05:22:01,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 05:22:01,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 05:22:01,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 05:22:01,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 05:22:03,123 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 05:22:03,124 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-07 05:22:03,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:22:03 BoogieIcfgContainer [2020-11-07 05:22:03,128 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 05:22:03,131 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 05:22:03,131 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 05:22:03,135 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 05:22:03,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 05:22:00" (1/3) ... [2020-11-07 05:22:03,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7008def6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:22:03, skipping insertion in model container [2020-11-07 05:22:03,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:22:01" (2/3) ... [2020-11-07 05:22:03,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7008def6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:22:03, skipping insertion in model container [2020-11-07 05:22:03,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:22:03" (3/3) ... [2020-11-07 05:22:03,139 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label08.c [2020-11-07 05:22:03,155 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 05:22:03,160 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-07 05:22:03,173 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-07 05:22:03,207 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 05:22:03,207 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 05:22:03,208 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-07 05:22:03,208 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 05:22:03,208 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 05:22:03,208 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 05:22:03,208 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 05:22:03,208 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 05:22:03,248 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states. [2020-11-07 05:22:03,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-11-07 05:22:03,292 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:22:03,293 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] [2020-11-07 05:22:03,293 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:22:03,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:22:03,299 INFO L82 PathProgramCache]: Analyzing trace with hash -1706107704, now seen corresponding path program 1 times [2020-11-07 05:22:03,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:22:03,309 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1726446534] [2020-11-07 05:22:03,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:22:03,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:03,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:22:04,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:04,157 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 05:22:04,158 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1726446534] [2020-11-07 05:22:04,160 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 05:22:04,160 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-07 05:22:04,161 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858839081] [2020-11-07 05:22:04,169 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-07 05:22:04,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:22:04,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-07 05:22:04,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-07 05:22:04,192 INFO L87 Difference]: Start difference. First operand 537 states. Second operand 5 states. [2020-11-07 05:22:07,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:22:07,947 INFO L93 Difference]: Finished difference Result 1373 states and 1909 transitions. [2020-11-07 05:22:07,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-07 05:22:07,949 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 150 [2020-11-07 05:22:07,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:22:07,975 INFO L225 Difference]: With dead ends: 1373 [2020-11-07 05:22:07,975 INFO L226 Difference]: Without dead ends: 790 [2020-11-07 05:22:07,990 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-07 05:22:08,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2020-11-07 05:22:08,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 755. [2020-11-07 05:22:08,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 755 states. [2020-11-07 05:22:08,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 923 transitions. [2020-11-07 05:22:08,293 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 923 transitions. Word has length 150 [2020-11-07 05:22:08,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:22:08,297 INFO L481 AbstractCegarLoop]: Abstraction has 755 states and 923 transitions. [2020-11-07 05:22:08,297 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-07 05:22:08,298 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 923 transitions. [2020-11-07 05:22:08,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-11-07 05:22:08,308 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:22:08,309 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 05:22:08,309 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 05:22:08,310 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:22:08,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:22:08,310 INFO L82 PathProgramCache]: Analyzing trace with hash 41803402, now seen corresponding path program 1 times [2020-11-07 05:22:08,311 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:22:08,311 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1380365980] [2020-11-07 05:22:08,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:22:08,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:08,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:22:08,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:08,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-07 05:22:08,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:09,129 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 05:22:09,130 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1380365980] [2020-11-07 05:22:09,130 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:22:09,130 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-11-07 05:22:09,130 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154078910] [2020-11-07 05:22:09,132 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-07 05:22:09,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:22:09,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-07 05:22:09,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2020-11-07 05:22:09,133 INFO L87 Difference]: Start difference. First operand 755 states and 923 transitions. Second operand 11 states. [2020-11-07 05:22:09,338 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-11-07 05:22:09,811 WARN L194 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-11-07 05:22:10,373 WARN L194 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-11-07 05:22:15,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:22:15,081 INFO L93 Difference]: Finished difference Result 2962 states and 3993 transitions. [2020-11-07 05:22:15,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-11-07 05:22:15,081 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 171 [2020-11-07 05:22:15,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:22:15,102 INFO L225 Difference]: With dead ends: 2962 [2020-11-07 05:22:15,102 INFO L226 Difference]: Without dead ends: 1972 [2020-11-07 05:22:15,112 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=102, Invalid=170, Unknown=0, NotChecked=0, Total=272 [2020-11-07 05:22:15,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1972 states. [2020-11-07 05:22:15,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1972 to 1477. [2020-11-07 05:22:15,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1477 states. [2020-11-07 05:22:15,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1477 states to 1477 states and 1797 transitions. [2020-11-07 05:22:15,445 INFO L78 Accepts]: Start accepts. Automaton has 1477 states and 1797 transitions. Word has length 171 [2020-11-07 05:22:15,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:22:15,445 INFO L481 AbstractCegarLoop]: Abstraction has 1477 states and 1797 transitions. [2020-11-07 05:22:15,445 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-07 05:22:15,446 INFO L276 IsEmpty]: Start isEmpty. Operand 1477 states and 1797 transitions. [2020-11-07 05:22:15,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-11-07 05:22:15,478 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:22:15,479 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 05:22:15,479 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-07 05:22:15,480 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:22:15,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:22:15,480 INFO L82 PathProgramCache]: Analyzing trace with hash -1773309981, now seen corresponding path program 1 times [2020-11-07 05:22:15,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:22:15,481 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [396821192] [2020-11-07 05:22:15,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:22:15,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:15,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:22:15,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:15,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-07 05:22:15,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:15,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-07 05:22:15,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:15,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-11-07 05:22:15,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:15,821 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 71 proven. 9 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-11-07 05:22:15,822 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [396821192] [2020-11-07 05:22:15,822 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:22:15,822 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-11-07 05:22:15,822 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236259216] [2020-11-07 05:22:15,823 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-07 05:22:15,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:22:15,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-07 05:22:15,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-07 05:22:15,824 INFO L87 Difference]: Start difference. First operand 1477 states and 1797 transitions. Second operand 7 states. [2020-11-07 05:22:16,534 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-11-07 05:22:19,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:22:19,032 INFO L93 Difference]: Finished difference Result 3708 states and 4612 transitions. [2020-11-07 05:22:19,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-07 05:22:19,033 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 226 [2020-11-07 05:22:19,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:22:19,053 INFO L225 Difference]: With dead ends: 3708 [2020-11-07 05:22:19,054 INFO L226 Difference]: Without dead ends: 2263 [2020-11-07 05:22:19,061 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-11-07 05:22:19,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2263 states. [2020-11-07 05:22:19,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2263 to 1929. [2020-11-07 05:22:19,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1929 states. [2020-11-07 05:22:19,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1929 states to 1929 states and 2301 transitions. [2020-11-07 05:22:19,563 INFO L78 Accepts]: Start accepts. Automaton has 1929 states and 2301 transitions. Word has length 226 [2020-11-07 05:22:19,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:22:19,563 INFO L481 AbstractCegarLoop]: Abstraction has 1929 states and 2301 transitions. [2020-11-07 05:22:19,563 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-07 05:22:19,563 INFO L276 IsEmpty]: Start isEmpty. Operand 1929 states and 2301 transitions. [2020-11-07 05:22:19,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2020-11-07 05:22:19,573 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:22:19,574 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-07 05:22:19,574 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-07 05:22:19,574 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:22:19,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:22:19,575 INFO L82 PathProgramCache]: Analyzing trace with hash 276161411, now seen corresponding path program 1 times [2020-11-07 05:22:19,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:22:19,576 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1125201424] [2020-11-07 05:22:19,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:22:19,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:19,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:22:19,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:19,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-07 05:22:19,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:19,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-07 05:22:19,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:19,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-11-07 05:22:19,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:19,971 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 82 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-07 05:22:19,972 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1125201424] [2020-11-07 05:22:19,972 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:22:19,972 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-11-07 05:22:19,972 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130440603] [2020-11-07 05:22:19,973 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-07 05:22:19,973 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:22:19,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-07 05:22:19,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-07 05:22:19,974 INFO L87 Difference]: Start difference. First operand 1929 states and 2301 transitions. Second operand 7 states. [2020-11-07 05:22:23,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:22:23,011 INFO L93 Difference]: Finished difference Result 4251 states and 5319 transitions. [2020-11-07 05:22:23,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-07 05:22:23,012 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 237 [2020-11-07 05:22:23,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:22:23,034 INFO L225 Difference]: With dead ends: 4251 [2020-11-07 05:22:23,034 INFO L226 Difference]: Without dead ends: 2495 [2020-11-07 05:22:23,042 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 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 05:22:23,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2495 states. [2020-11-07 05:22:23,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2495 to 2264. [2020-11-07 05:22:23,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2264 states. [2020-11-07 05:22:23,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2264 states to 2264 states and 2719 transitions. [2020-11-07 05:22:23,695 INFO L78 Accepts]: Start accepts. Automaton has 2264 states and 2719 transitions. Word has length 237 [2020-11-07 05:22:23,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:22:23,695 INFO L481 AbstractCegarLoop]: Abstraction has 2264 states and 2719 transitions. [2020-11-07 05:22:23,695 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-07 05:22:23,695 INFO L276 IsEmpty]: Start isEmpty. Operand 2264 states and 2719 transitions. [2020-11-07 05:22:23,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2020-11-07 05:22:23,707 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:22:23,708 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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 05:22:23,708 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-07 05:22:23,708 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:22:23,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:22:23,709 INFO L82 PathProgramCache]: Analyzing trace with hash 462660760, now seen corresponding path program 1 times [2020-11-07 05:22:23,709 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:22:23,709 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [782940405] [2020-11-07 05:22:23,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:22:23,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:23,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:22:23,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:23,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-07 05:22:23,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:23,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-07 05:22:23,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:23,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-11-07 05:22:23,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:23,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-11-07 05:22:23,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:24,108 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 124 proven. 28 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-11-07 05:22:24,109 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [782940405] [2020-11-07 05:22:24,109 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:22:24,109 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-11-07 05:22:24,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237197811] [2020-11-07 05:22:24,110 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-07 05:22:24,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:22:24,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-07 05:22:24,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-11-07 05:22:24,111 INFO L87 Difference]: Start difference. First operand 2264 states and 2719 transitions. Second operand 10 states. [2020-11-07 05:22:24,538 WARN L194 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 93 [2020-11-07 05:22:25,039 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-11-07 05:22:25,484 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-11-07 05:22:25,942 WARN L194 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 91 [2020-11-07 05:22:27,094 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-11-07 05:22:27,461 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-11-07 05:22:28,004 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-11-07 05:22:32,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:22:32,097 INFO L93 Difference]: Finished difference Result 7411 states and 9257 transitions. [2020-11-07 05:22:32,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-11-07 05:22:32,098 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 262 [2020-11-07 05:22:32,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:22:32,135 INFO L225 Difference]: With dead ends: 7411 [2020-11-07 05:22:32,135 INFO L226 Difference]: Without dead ends: 5320 [2020-11-07 05:22:32,147 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 409 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=312, Invalid=1170, Unknown=0, NotChecked=0, Total=1482 [2020-11-07 05:22:32,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5320 states. [2020-11-07 05:22:33,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5320 to 4281. [2020-11-07 05:22:33,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4281 states. [2020-11-07 05:22:33,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4281 states to 4281 states and 5010 transitions. [2020-11-07 05:22:33,362 INFO L78 Accepts]: Start accepts. Automaton has 4281 states and 5010 transitions. Word has length 262 [2020-11-07 05:22:33,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:22:33,367 INFO L481 AbstractCegarLoop]: Abstraction has 4281 states and 5010 transitions. [2020-11-07 05:22:33,368 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-07 05:22:33,368 INFO L276 IsEmpty]: Start isEmpty. Operand 4281 states and 5010 transitions. [2020-11-07 05:22:33,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2020-11-07 05:22:33,388 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:22:33,395 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:22:33,395 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-07 05:22:33,396 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:22:33,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:22:33,396 INFO L82 PathProgramCache]: Analyzing trace with hash -1082389063, now seen corresponding path program 1 times [2020-11-07 05:22:33,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:22:33,397 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [790942324] [2020-11-07 05:22:33,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:22:33,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:33,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:22:33,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:33,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-07 05:22:33,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:33,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-07 05:22:33,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:33,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-11-07 05:22:33,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:33,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-11-07 05:22:33,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:33,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-11-07 05:22:33,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:33,868 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 201 proven. 32 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2020-11-07 05:22:33,868 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [790942324] [2020-11-07 05:22:33,870 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:22:33,870 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-11-07 05:22:33,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708934211] [2020-11-07 05:22:33,871 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 05:22:33,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:22:33,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 05:22:33,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-07 05:22:33,873 INFO L87 Difference]: Start difference. First operand 4281 states and 5010 transitions. Second operand 8 states. [2020-11-07 05:22:34,070 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-11-07 05:22:34,350 WARN L194 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-11-07 05:22:35,076 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-11-07 05:22:36,237 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-11-07 05:22:39,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:22:39,254 INFO L93 Difference]: Finished difference Result 9943 states and 11698 transitions. [2020-11-07 05:22:39,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-07 05:22:39,255 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 325 [2020-11-07 05:22:39,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:22:39,287 INFO L225 Difference]: With dead ends: 9943 [2020-11-07 05:22:39,287 INFO L226 Difference]: Without dead ends: 4981 [2020-11-07 05:22:39,305 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-11-07 05:22:39,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4981 states. [2020-11-07 05:22:40,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4981 to 3850. [2020-11-07 05:22:40,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3850 states. [2020-11-07 05:22:40,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3850 states to 3850 states and 4327 transitions. [2020-11-07 05:22:40,218 INFO L78 Accepts]: Start accepts. Automaton has 3850 states and 4327 transitions. Word has length 325 [2020-11-07 05:22:40,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:22:40,218 INFO L481 AbstractCegarLoop]: Abstraction has 3850 states and 4327 transitions. [2020-11-07 05:22:40,218 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 05:22:40,219 INFO L276 IsEmpty]: Start isEmpty. Operand 3850 states and 4327 transitions. [2020-11-07 05:22:40,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2020-11-07 05:22:40,238 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:22:40,239 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 05:22:40,239 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-07 05:22:40,239 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:22:40,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:22:40,240 INFO L82 PathProgramCache]: Analyzing trace with hash 2092909594, now seen corresponding path program 1 times [2020-11-07 05:22:40,240 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:22:40,240 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2049115783] [2020-11-07 05:22:40,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:22:40,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:40,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:22:40,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:40,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-07 05:22:40,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:40,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-07 05:22:40,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:40,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-11-07 05:22:40,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:40,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 05:22:40,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:40,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-11-07 05:22:40,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:40,693 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 180 proven. 61 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2020-11-07 05:22:40,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2049115783] [2020-11-07 05:22:40,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:22:40,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-11-07 05:22:40,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802207152] [2020-11-07 05:22:40,694 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 05:22:40,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:22:40,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 05:22:40,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-07 05:22:40,695 INFO L87 Difference]: Start difference. First operand 3850 states and 4327 transitions. Second operand 8 states. [2020-11-07 05:22:40,897 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-11-07 05:22:41,422 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-11-07 05:22:42,500 WARN L194 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-11-07 05:22:44,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:22:44,893 INFO L93 Difference]: Finished difference Result 7936 states and 8930 transitions. [2020-11-07 05:22:44,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-11-07 05:22:44,893 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 336 [2020-11-07 05:22:44,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:22:44,915 INFO L225 Difference]: With dead ends: 7936 [2020-11-07 05:22:44,916 INFO L226 Difference]: Without dead ends: 4259 [2020-11-07 05:22:44,926 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-11-07 05:22:44,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4259 states. [2020-11-07 05:22:45,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4259 to 4180. [2020-11-07 05:22:45,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4180 states. [2020-11-07 05:22:45,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4180 states to 4180 states and 4667 transitions. [2020-11-07 05:22:45,792 INFO L78 Accepts]: Start accepts. Automaton has 4180 states and 4667 transitions. Word has length 336 [2020-11-07 05:22:45,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:22:45,792 INFO L481 AbstractCegarLoop]: Abstraction has 4180 states and 4667 transitions. [2020-11-07 05:22:45,792 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 05:22:45,792 INFO L276 IsEmpty]: Start isEmpty. Operand 4180 states and 4667 transitions. [2020-11-07 05:22:45,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2020-11-07 05:22:45,807 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:22:45,807 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-07 05:22:45,807 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-07 05:22:45,808 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:22:45,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:22:45,808 INFO L82 PathProgramCache]: Analyzing trace with hash 996790462, now seen corresponding path program 1 times [2020-11-07 05:22:45,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:22:45,809 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [957355958] [2020-11-07 05:22:45,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:22:45,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:45,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:22:45,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:46,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-07 05:22:46,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:46,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 05:22:46,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:46,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-11-07 05:22:46,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:46,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-11-07 05:22:46,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:46,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-11-07 05:22:46,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:46,259 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 248 proven. 40 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2020-11-07 05:22:46,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [957355958] [2020-11-07 05:22:46,260 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:22:46,260 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-11-07 05:22:46,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814319413] [2020-11-07 05:22:46,261 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-07 05:22:46,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:22:46,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-07 05:22:46,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-11-07 05:22:46,262 INFO L87 Difference]: Start difference. First operand 4180 states and 4667 transitions. Second operand 10 states. [2020-11-07 05:22:46,589 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-11-07 05:22:47,309 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-11-07 05:22:47,860 WARN L194 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 94 [2020-11-07 05:22:48,118 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-11-07 05:22:48,290 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-11-07 05:22:49,549 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-11-07 05:22:50,367 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-11-07 05:22:51,165 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-11-07 05:22:51,594 WARN L194 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-11-07 05:22:53,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:22:53,539 INFO L93 Difference]: Finished difference Result 9928 states and 11202 transitions. [2020-11-07 05:22:53,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-11-07 05:22:53,540 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 369 [2020-11-07 05:22:53,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:22:53,568 INFO L225 Difference]: With dead ends: 9928 [2020-11-07 05:22:53,568 INFO L226 Difference]: Without dead ends: 5772 [2020-11-07 05:22:53,580 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=279, Invalid=1053, Unknown=0, NotChecked=0, Total=1332 [2020-11-07 05:22:53,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5772 states. [2020-11-07 05:22:54,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5772 to 5687. [2020-11-07 05:22:54,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5687 states. [2020-11-07 05:22:54,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5687 states to 5687 states and 6219 transitions. [2020-11-07 05:22:54,741 INFO L78 Accepts]: Start accepts. Automaton has 5687 states and 6219 transitions. Word has length 369 [2020-11-07 05:22:54,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:22:54,742 INFO L481 AbstractCegarLoop]: Abstraction has 5687 states and 6219 transitions. [2020-11-07 05:22:54,742 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-07 05:22:54,742 INFO L276 IsEmpty]: Start isEmpty. Operand 5687 states and 6219 transitions. [2020-11-07 05:22:54,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2020-11-07 05:22:54,758 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:22:54,758 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-07 05:22:54,758 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-07 05:22:54,759 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:22:54,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:22:54,759 INFO L82 PathProgramCache]: Analyzing trace with hash -1134616170, now seen corresponding path program 1 times [2020-11-07 05:22:54,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:22:54,760 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [184954036] [2020-11-07 05:22:54,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:22:54,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:54,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:22:54,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:54,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-07 05:22:54,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:54,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 05:22:54,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:55,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-11-07 05:22:55,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:55,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-11-07 05:22:55,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:55,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-11-07 05:22:55,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:22:55,141 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 264 proven. 79 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2020-11-07 05:22:55,141 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [184954036] [2020-11-07 05:22:55,141 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:22:55,142 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-11-07 05:22:55,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664397732] [2020-11-07 05:22:55,142 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-07 05:22:55,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:22:55,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-07 05:22:55,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-07 05:22:55,143 INFO L87 Difference]: Start difference. First operand 5687 states and 6219 transitions. Second operand 7 states. [2020-11-07 05:22:59,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:22:59,065 INFO L93 Difference]: Finished difference Result 11314 states and 12364 transitions. [2020-11-07 05:22:59,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-07 05:22:59,065 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 387 [2020-11-07 05:22:59,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:22:59,092 INFO L225 Difference]: With dead ends: 11314 [2020-11-07 05:22:59,092 INFO L226 Difference]: Without dead ends: 5800 [2020-11-07 05:22:59,110 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 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 05:22:59,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5800 states. [2020-11-07 05:23:00,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5800 to 5748. [2020-11-07 05:23:00,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5748 states. [2020-11-07 05:23:00,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5748 states to 5748 states and 6204 transitions. [2020-11-07 05:23:00,307 INFO L78 Accepts]: Start accepts. Automaton has 5748 states and 6204 transitions. Word has length 387 [2020-11-07 05:23:00,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:23:00,308 INFO L481 AbstractCegarLoop]: Abstraction has 5748 states and 6204 transitions. [2020-11-07 05:23:00,308 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-07 05:23:00,308 INFO L276 IsEmpty]: Start isEmpty. Operand 5748 states and 6204 transitions. [2020-11-07 05:23:00,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2020-11-07 05:23:00,323 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:23:00,323 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-07 05:23:00,324 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-07 05:23:00,324 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:23:00,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:23:00,324 INFO L82 PathProgramCache]: Analyzing trace with hash -1667056, now seen corresponding path program 1 times [2020-11-07 05:23:00,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:23:00,325 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [238825421] [2020-11-07 05:23:00,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:23:00,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:23:00,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:23:00,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:23:00,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-07 05:23:00,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:23:00,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-11-07 05:23:00,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:23:00,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-11-07 05:23:00,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:23:00,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-11-07 05:23:00,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:23:00,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2020-11-07 05:23:00,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:23:00,821 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 293 proven. 32 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2020-11-07 05:23:00,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [238825421] [2020-11-07 05:23:00,822 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:23:00,822 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-11-07 05:23:00,822 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506256052] [2020-11-07 05:23:00,823 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 05:23:00,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:23:00,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 05:23:00,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-07 05:23:00,824 INFO L87 Difference]: Start difference. First operand 5748 states and 6204 transitions. Second operand 8 states. [2020-11-07 05:23:01,194 WARN L194 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-11-07 05:23:02,448 WARN L194 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-11-07 05:23:03,659 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-11-07 05:23:05,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:23:05,390 INFO L93 Difference]: Finished difference Result 11531 states and 12449 transitions. [2020-11-07 05:23:05,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-11-07 05:23:05,397 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 409 [2020-11-07 05:23:05,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:23:05,423 INFO L225 Difference]: With dead ends: 11531 [2020-11-07 05:23:05,424 INFO L226 Difference]: Without dead ends: 5956 [2020-11-07 05:23:05,440 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-11-07 05:23:05,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5956 states. [2020-11-07 05:23:06,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5956 to 5899. [2020-11-07 05:23:06,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5899 states. [2020-11-07 05:23:06,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5899 states to 5899 states and 6346 transitions. [2020-11-07 05:23:06,919 INFO L78 Accepts]: Start accepts. Automaton has 5899 states and 6346 transitions. Word has length 409 [2020-11-07 05:23:06,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:23:06,919 INFO L481 AbstractCegarLoop]: Abstraction has 5899 states and 6346 transitions. [2020-11-07 05:23:06,919 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 05:23:06,920 INFO L276 IsEmpty]: Start isEmpty. Operand 5899 states and 6346 transitions. [2020-11-07 05:23:06,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2020-11-07 05:23:06,935 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:23:06,936 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-07 05:23:06,936 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-07 05:23:06,936 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:23:06,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:23:06,936 INFO L82 PathProgramCache]: Analyzing trace with hash -1557080139, now seen corresponding path program 1 times [2020-11-07 05:23:06,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:23:06,937 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [327883058] [2020-11-07 05:23:06,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:23:06,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:23:07,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:23:07,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:23:07,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-07 05:23:07,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:23:07,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-11-07 05:23:07,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:23:07,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-11-07 05:23:07,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:23:07,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-11-07 05:23:07,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:23:07,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-11-07 05:23:07,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:23:07,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2020-11-07 05:23:07,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:23:07,579 INFO L134 CoverageAnalysis]: Checked inductivity of 661 backedges. 455 proven. 4 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2020-11-07 05:23:07,580 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [327883058] [2020-11-07 05:23:07,580 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:23:07,580 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-11-07 05:23:07,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319074771] [2020-11-07 05:23:07,581 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-07 05:23:07,581 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:23:07,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-07 05:23:07,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-07 05:23:07,582 INFO L87 Difference]: Start difference. First operand 5899 states and 6346 transitions. Second operand 7 states. [2020-11-07 05:23:11,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:23:11,197 INFO L93 Difference]: Finished difference Result 11762 states and 12703 transitions. [2020-11-07 05:23:11,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-07 05:23:11,197 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 430 [2020-11-07 05:23:11,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:23:11,203 INFO L225 Difference]: With dead ends: 11762 [2020-11-07 05:23:11,203 INFO L226 Difference]: Without dead ends: 0 [2020-11-07 05:23:11,228 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 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 05:23:11,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-07 05:23:11,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-07 05:23:11,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-07 05:23:11,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-07 05:23:11,229 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 430 [2020-11-07 05:23:11,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:23:11,230 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-07 05:23:11,230 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-07 05:23:11,230 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-07 05:23:11,230 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-07 05:23:11,230 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-07 05:23:11,232 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-07 05:23:11,589 WARN L194 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-11-07 05:23:11,888 WARN L194 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-11-07 05:23:30,873 WARN L194 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 202 [2020-11-07 05:23:51,845 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 202 [2020-11-07 05:23:52,928 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 202 [2020-11-07 05:23:53,035 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 202 [2020-11-07 05:24:04,287 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 202 [2020-11-07 05:24:54,248 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 202 [2020-11-07 05:25:25,925 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 202 [2020-11-07 05:25:26,033 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 202 [2020-11-07 05:25:26,161 WARN L194 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 202 [2020-11-07 05:25:27,814 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 202 [2020-11-07 05:25:34,247 WARN L194 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 67 [2020-11-07 05:25:36,842 WARN L194 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 279 DAG size of output: 82 [2020-11-07 05:25:39,317 WARN L194 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:25:41,887 WARN L194 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 279 DAG size of output: 82 [2020-11-07 05:25:42,784 WARN L194 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 65 [2020-11-07 05:25:43,646 WARN L194 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 67 [2020-11-07 05:25:44,514 WARN L194 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 67 [2020-11-07 05:25:47,107 WARN L194 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 279 DAG size of output: 82 [2020-11-07 05:25:47,989 WARN L194 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 68 [2020-11-07 05:25:50,600 WARN L194 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 279 DAG size of output: 82 [2020-11-07 05:25:51,683 WARN L194 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 208 DAG size of output: 69 [2020-11-07 05:25:52,643 WARN L194 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 69 [2020-11-07 05:25:53,366 WARN L194 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 64 [2020-11-07 05:25:54,270 WARN L194 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 67 [2020-11-07 05:25:55,109 WARN L194 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2020-11-07 05:25:56,084 WARN L194 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 66 [2020-11-07 05:25:58,521 WARN L194 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:25:59,868 WARN L194 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 205 DAG size of output: 66 [2020-11-07 05:26:00,689 WARN L194 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 67 [2020-11-07 05:26:03,264 WARN L194 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:26:05,829 WARN L194 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:26:06,719 WARN L194 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2020-11-07 05:26:07,447 WARN L194 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 64 [2020-11-07 05:26:08,684 WARN L194 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 155 DAG size of output: 66 [2020-11-07 05:26:09,762 WARN L194 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 205 DAG size of output: 70 [2020-11-07 05:26:12,299 WARN L194 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:26:12,947 WARN L194 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 62 [2020-11-07 05:26:13,802 WARN L194 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 68 [2020-11-07 05:26:14,887 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 152 DAG size of output: 67 [2020-11-07 05:26:15,944 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 209 DAG size of output: 68 [2020-11-07 05:26:16,838 WARN L194 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2020-11-07 05:26:17,577 WARN L194 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 65 [2020-11-07 05:26:20,098 WARN L194 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:26:21,051 WARN L194 SmtUtils]: Spent 944.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 69 [2020-11-07 05:26:23,535 WARN L194 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:26:24,215 WARN L194 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 64 [2020-11-07 05:26:24,909 WARN L194 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 62 [2020-11-07 05:26:25,674 WARN L194 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 63 [2020-11-07 05:26:28,164 WARN L194 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:26:28,812 WARN L194 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 64 [2020-11-07 05:26:29,669 WARN L194 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2020-11-07 05:26:30,572 WARN L194 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 64 [2020-11-07 05:26:31,624 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 157 DAG size of output: 68 [2020-11-07 05:26:33,060 WARN L194 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 166 DAG size of output: 84 [2020-11-07 05:26:33,723 WARN L194 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 59 [2020-11-07 05:26:34,395 WARN L194 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 61 [2020-11-07 05:26:36,888 WARN L194 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:26:37,687 WARN L194 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 63 [2020-11-07 05:26:38,792 WARN L194 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 206 DAG size of output: 66 [2020-11-07 05:26:39,761 WARN L194 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 65 [2020-11-07 05:26:40,799 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 154 DAG size of output: 69 [2020-11-07 05:26:41,539 WARN L194 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 61 [2020-11-07 05:26:42,374 WARN L194 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 71 [2020-11-07 05:26:43,032 WARN L194 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 59 [2020-11-07 05:26:44,130 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 208 DAG size of output: 69 [2020-11-07 05:26:44,863 WARN L194 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 63 [2020-11-07 05:26:45,881 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 157 DAG size of output: 68 [2020-11-07 05:26:48,361 WARN L194 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:26:49,080 WARN L194 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 64 [2020-11-07 05:26:49,975 WARN L194 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 60 [2020-11-07 05:26:50,844 WARN L194 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 67 [2020-11-07 05:26:51,468 WARN L194 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 62 [2020-11-07 05:26:54,001 WARN L194 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:26:54,627 WARN L194 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 62 [2020-11-07 05:26:55,467 WARN L194 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 68 [2020-11-07 05:26:57,948 WARN L194 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 279 DAG size of output: 82 [2020-11-07 05:27:00,405 WARN L194 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:27:03,059 WARN L194 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 279 DAG size of output: 82 [2020-11-07 05:27:03,957 WARN L194 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 67 [2020-11-07 05:27:04,875 WARN L194 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 65 [2020-11-07 05:27:05,774 WARN L194 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 67 [2020-11-07 05:27:08,447 WARN L194 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 279 DAG size of output: 82 [2020-11-07 05:27:10,992 WARN L194 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:27:11,655 WARN L194 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 62 [2020-11-07 05:27:13,162 WARN L194 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 164 DAG size of output: 79 [2020-11-07 05:27:15,712 WARN L194 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:27:16,477 WARN L194 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 61 [2020-11-07 05:27:17,352 WARN L194 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 69 [2020-11-07 05:27:18,336 WARN L194 SmtUtils]: Spent 975.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 67 [2020-11-07 05:27:19,237 WARN L194 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 68 [2020-11-07 05:27:20,241 WARN L194 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 64 [2020-11-07 05:27:21,094 WARN L194 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 71 [2020-11-07 05:27:22,237 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 226 DAG size of output: 68 [2020-11-07 05:27:23,171 WARN L194 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 64 [2020-11-07 05:27:24,109 WARN L194 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 65 [2020-11-07 05:27:25,127 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 158 DAG size of output: 71 [2020-11-07 05:27:27,608 WARN L194 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:27:28,409 WARN L194 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 66 [2020-11-07 05:27:29,394 WARN L194 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 69 [2020-11-07 05:27:30,027 WARN L194 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 61 [2020-11-07 05:27:30,774 WARN L194 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 66 [2020-11-07 05:27:31,520 WARN L194 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 66 [2020-11-07 05:27:32,401 WARN L194 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 68 [2020-11-07 05:27:33,042 WARN L194 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 62 [2020-11-07 05:27:35,542 WARN L194 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:27:38,077 WARN L194 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:27:38,974 WARN L194 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 67 [2020-11-07 05:27:41,591 WARN L194 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 279 DAG size of output: 82 [2020-11-07 05:27:44,155 WARN L194 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:27:46,743 WARN L194 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 279 DAG size of output: 82 [2020-11-07 05:27:47,640 WARN L194 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 65 [2020-11-07 05:27:48,714 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 157 DAG size of output: 69 [2020-11-07 05:27:50,215 WARN L194 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 164 DAG size of output: 78 [2020-11-07 05:27:52,783 WARN L194 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:27:53,540 WARN L194 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 63 [2020-11-07 05:27:54,187 WARN L194 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 65 [2020-11-07 05:27:54,925 WARN L194 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 66 [2020-11-07 05:27:56,518 WARN L194 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 208 DAG size of output: 70 [2020-11-07 05:27:57,562 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 207 DAG size of output: 67 [2020-11-07 05:27:58,268 WARN L194 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 64 [2020-11-07 05:27:59,609 WARN L194 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 178 DAG size of output: 67 [2020-11-07 05:28:00,538 WARN L194 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 66 [2020-11-07 05:28:01,322 WARN L194 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 61 [2020-11-07 05:28:02,036 WARN L194 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 61 [2020-11-07 05:28:04,607 WARN L194 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:28:05,712 WARN L194 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 208 DAG size of output: 69 [2020-11-07 05:28:08,291 WARN L194 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:28:09,365 WARN L194 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 153 DAG size of output: 65 [2020-11-07 05:28:10,255 WARN L194 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 68 [2020-11-07 05:28:11,138 WARN L194 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 67 [2020-11-07 05:28:13,761 WARN L194 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 279 DAG size of output: 82 [2020-11-07 05:28:14,739 WARN L194 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 64 [2020-11-07 05:28:15,755 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 157 DAG size of output: 66 [2020-11-07 05:28:18,304 WARN L194 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:28:19,091 WARN L194 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 68 [2020-11-07 05:28:20,037 WARN L194 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 67 [2020-11-07 05:28:20,962 WARN L194 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 66 [2020-11-07 05:28:21,862 WARN L194 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 63 [2020-11-07 05:28:22,772 WARN L194 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 67 [2020-11-07 05:28:23,690 WARN L194 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 64 [2020-11-07 05:28:26,294 WARN L194 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:28:27,079 WARN L194 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 65 [2020-11-07 05:28:27,820 WARN L194 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 65 [2020-11-07 05:28:28,859 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 153 DAG size of output: 64 [2020-11-07 05:28:29,737 WARN L194 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 64 [2020-11-07 05:28:30,462 WARN L194 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 62 [2020-11-07 05:28:31,470 WARN L194 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 68 [2020-11-07 05:28:32,357 WARN L194 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 67 [2020-11-07 05:28:33,353 WARN L194 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 64 [2020-11-07 05:28:34,577 WARN L194 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 173 DAG size of output: 64 [2020-11-07 05:28:35,588 WARN L194 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 173 DAG size of output: 69 [2020-11-07 05:28:36,547 WARN L194 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 66 [2020-11-07 05:28:37,530 WARN L194 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 71 [2020-11-07 05:28:38,288 WARN L194 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 64 [2020-11-07 05:28:39,060 WARN L194 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 67 [2020-11-07 05:28:40,204 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 168 DAG size of output: 72 [2020-11-07 05:28:41,157 WARN L194 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 69 [2020-11-07 05:28:42,014 WARN L194 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 68 [2020-11-07 05:28:42,892 WARN L194 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 60 [2020-11-07 05:28:45,402 WARN L194 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 279 DAG size of output: 82 [2020-11-07 05:28:47,935 WARN L194 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 279 DAG size of output: 82 [2020-11-07 05:28:48,825 WARN L194 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 60 [2020-11-07 05:28:49,707 WARN L194 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 60 [2020-11-07 05:28:50,588 WARN L194 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 65 [2020-11-07 05:28:51,298 WARN L194 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 65 [2020-11-07 05:28:53,754 WARN L194 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:28:54,634 WARN L194 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 67 [2020-11-07 05:28:55,294 WARN L194 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 64 [2020-11-07 05:28:56,259 WARN L194 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 66 [2020-11-07 05:28:58,726 WARN L194 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:29:01,194 WARN L194 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:29:02,205 WARN L194 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 206 DAG size of output: 70 [2020-11-07 05:29:03,105 WARN L194 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 66 [2020-11-07 05:29:05,564 WARN L194 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:29:06,426 WARN L194 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 68 [2020-11-07 05:29:07,296 WARN L194 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 65 [2020-11-07 05:29:08,179 WARN L194 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 65 [2020-11-07 05:29:10,731 WARN L194 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 279 DAG size of output: 82 [2020-11-07 05:29:11,599 WARN L194 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 68 [2020-11-07 05:29:12,463 WARN L194 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 67 [2020-11-07 05:29:15,013 WARN L194 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 279 DAG size of output: 82 [2020-11-07 05:29:15,879 WARN L194 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 67 [2020-11-07 05:29:18,436 WARN L194 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 279 DAG size of output: 82 [2020-11-07 05:29:19,304 WARN L194 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 67 [2020-11-07 05:29:20,174 WARN L194 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 62 [2020-11-07 05:29:21,051 WARN L194 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 64 [2020-11-07 05:29:21,978 WARN L194 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 65 [2020-11-07 05:29:24,467 WARN L194 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:29:25,482 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 206 DAG size of output: 70 [2020-11-07 05:29:27,979 WARN L194 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:29:28,635 WARN L194 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 64 [2020-11-07 05:29:29,356 WARN L194 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 66 [2020-11-07 05:29:30,236 WARN L194 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 65 [2020-11-07 05:29:32,722 WARN L194 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:29:35,221 WARN L194 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:29:36,134 WARN L194 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 63 [2020-11-07 05:29:37,133 WARN L194 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 66 [2020-11-07 05:29:39,697 WARN L194 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 279 DAG size of output: 82 [2020-11-07 05:29:40,573 WARN L194 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 67 [2020-11-07 05:29:41,526 WARN L194 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 60 [2020-11-07 05:29:42,298 WARN L194 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 64 [2020-11-07 05:29:43,338 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 209 DAG size of output: 68 [2020-11-07 05:29:44,342 WARN L194 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 69 [2020-11-07 05:29:45,086 WARN L194 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 64 [2020-11-07 05:29:47,595 WARN L194 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:29:50,110 WARN L194 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:29:50,879 WARN L194 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 67 [2020-11-07 05:29:51,792 WARN L194 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 71 [2020-11-07 05:29:52,707 WARN L194 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 63 [2020-11-07 05:29:53,428 WARN L194 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 64 [2020-11-07 05:29:54,341 WARN L194 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 65 [2020-11-07 05:29:55,079 WARN L194 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 65 [2020-11-07 05:29:56,103 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 206 DAG size of output: 70 [2020-11-07 05:29:56,839 WARN L194 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 60 [2020-11-07 05:29:57,615 WARN L194 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 64 [2020-11-07 05:29:58,509 WARN L194 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2020-11-07 05:29:59,422 WARN L194 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 65 [2020-11-07 05:30:00,169 WARN L194 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 65 [2020-11-07 05:30:02,691 WARN L194 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:30:03,743 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 173 DAG size of output: 70 [2020-11-07 05:30:04,874 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 161 DAG size of output: 70 [2020-11-07 05:30:05,982 WARN L194 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 156 DAG size of output: 71 [2020-11-07 05:30:06,949 WARN L194 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 63 [2020-11-07 05:30:09,486 WARN L194 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:30:10,607 WARN L194 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 154 DAG size of output: 70 [2020-11-07 05:30:13,142 WARN L194 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:30:14,179 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 163 DAG size of output: 68 [2020-11-07 05:30:15,071 WARN L194 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 66 [2020-11-07 05:30:15,806 WARN L194 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2020-11-07 05:30:18,331 WARN L194 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:30:19,038 WARN L194 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 63 [2020-11-07 05:30:20,755 WARN L194 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 221 DAG size of output: 71 [2020-11-07 05:30:21,671 WARN L194 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 65 [2020-11-07 05:30:22,552 WARN L194 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 70 [2020-11-07 05:30:23,866 WARN L194 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 205 DAG size of output: 69 [2020-11-07 05:30:24,546 WARN L194 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 64 [2020-11-07 05:30:27,086 WARN L194 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:30:28,025 WARN L194 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2020-11-07 05:30:30,559 WARN L194 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:30:31,327 WARN L194 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 65 [2020-11-07 05:30:32,442 WARN L194 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 154 DAG size of output: 70 [2020-11-07 05:30:33,374 WARN L194 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 65 [2020-11-07 05:30:34,328 WARN L194 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 65 [2020-11-07 05:30:36,951 WARN L194 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 279 DAG size of output: 82 [2020-11-07 05:30:37,840 WARN L194 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 65 [2020-11-07 05:30:38,741 WARN L194 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 68 [2020-11-07 05:30:39,629 WARN L194 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 68 [2020-11-07 05:30:42,247 WARN L194 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 279 DAG size of output: 82 [2020-11-07 05:30:43,155 WARN L194 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 68 [2020-11-07 05:30:45,773 WARN L194 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 279 DAG size of output: 82 [2020-11-07 05:30:48,328 WARN L194 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:30:49,284 WARN L194 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 65 [2020-11-07 05:30:51,839 WARN L194 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:30:52,801 WARN L194 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 66 [2020-11-07 05:30:53,721 WARN L194 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 64 [2020-11-07 05:30:56,300 WARN L194 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:30:57,519 WARN L194 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 202 DAG size of output: 69 [2020-11-07 05:30:58,436 WARN L194 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2020-11-07 05:30:59,179 WARN L194 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 64 [2020-11-07 05:31:01,729 WARN L194 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:31:02,444 WARN L194 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 64 [2020-11-07 05:31:05,006 WARN L194 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:31:05,897 WARN L194 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 68 [2020-11-07 05:31:08,473 WARN L194 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:31:11,042 WARN L194 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:31:12,084 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 155 DAG size of output: 66 [2020-11-07 05:31:12,905 WARN L194 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 64 [2020-11-07 05:31:13,625 WARN L194 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 62 [2020-11-07 05:31:16,195 WARN L194 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:31:17,004 WARN L194 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 64 [2020-11-07 05:31:19,591 WARN L194 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:31:20,328 WARN L194 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 62 [2020-11-07 05:31:21,339 WARN L194 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 203 DAG size of output: 67 [2020-11-07 05:31:23,912 WARN L194 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:31:24,961 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 206 DAG size of output: 70 [2020-11-07 05:31:26,009 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 170 DAG size of output: 67 [2020-11-07 05:31:27,064 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 152 DAG size of output: 64 [2020-11-07 05:31:27,856 WARN L194 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 67 [2020-11-07 05:31:30,440 WARN L194 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:31:33,017 WARN L194 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:31:33,962 WARN L194 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 63 [2020-11-07 05:31:34,747 WARN L194 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 64 [2020-11-07 05:31:37,342 WARN L194 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:31:39,941 WARN L194 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:31:41,299 WARN L194 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 203 DAG size of output: 69 [2020-11-07 05:31:42,583 WARN L194 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 224 DAG size of output: 65 [2020-11-07 05:31:45,188 WARN L194 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:31:45,901 WARN L194 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 63 [2020-11-07 05:31:47,079 WARN L194 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 182 DAG size of output: 68 [2020-11-07 05:31:48,317 WARN L194 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 213 DAG size of output: 64 [2020-11-07 05:31:49,394 WARN L194 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 209 DAG size of output: 68 [2020-11-07 05:31:51,992 WARN L194 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:31:54,597 WARN L194 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:31:56,005 WARN L194 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 209 DAG size of output: 72 [2020-11-07 05:31:57,408 WARN L194 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 160 DAG size of output: 71 [2020-11-07 05:32:00,024 WARN L194 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:32:00,806 WARN L194 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 62 [2020-11-07 05:32:03,400 WARN L194 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:32:04,063 WARN L194 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 62 [2020-11-07 05:32:04,989 WARN L194 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 63 [2020-11-07 05:32:06,063 WARN L194 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 159 DAG size of output: 68 [2020-11-07 05:32:06,731 WARN L194 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 62 [2020-11-07 05:32:07,527 WARN L194 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 62 [2020-11-07 05:32:10,150 WARN L194 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:32:11,275 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 208 DAG size of output: 69 [2020-11-07 05:32:12,468 WARN L194 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 206 DAG size of output: 66 [2020-11-07 05:32:13,498 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 160 DAG size of output: 65 [2020-11-07 05:32:14,449 WARN L194 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 67 [2020-11-07 05:32:15,130 WARN L194 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 62 [2020-11-07 05:32:17,763 WARN L194 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:32:20,385 WARN L194 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:32:21,429 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 150 DAG size of output: 61 [2020-11-07 05:32:22,463 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 203 DAG size of output: 67 [2020-11-07 05:32:23,343 WARN L194 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 71 [2020-11-07 05:32:25,983 WARN L194 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:32:27,110 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 208 DAG size of output: 69 [2020-11-07 05:32:27,880 WARN L194 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 66 [2020-11-07 05:32:28,629 WARN L194 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 62 [2020-11-07 05:32:31,263 WARN L194 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:32:31,417 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 40 [2020-11-07 05:32:34,057 WARN L194 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:32:36,686 WARN L194 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:32:38,038 WARN L194 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 208 DAG size of output: 69 [2020-11-07 05:32:39,524 WARN L194 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 211 DAG size of output: 72 [2020-11-07 05:32:40,648 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 205 DAG size of output: 70 [2020-11-07 05:32:41,905 WARN L194 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 173 DAG size of output: 64 [2020-11-07 05:32:43,003 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 178 DAG size of output: 67 [2020-11-07 05:32:43,892 WARN L194 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 63 [2020-11-07 05:32:44,879 WARN L194 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 65 [2020-11-07 05:32:45,877 WARN L194 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 64 [2020-11-07 05:32:46,890 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 165 DAG size of output: 67 [2020-11-07 05:32:49,547 WARN L194 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:32:52,191 WARN L194 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:32:52,959 WARN L194 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 60 [2020-11-07 05:32:54,153 WARN L194 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 205 DAG size of output: 70 [2020-11-07 05:32:55,075 WARN L194 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 67 [2020-11-07 05:32:57,726 WARN L194 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:32:58,802 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 152 DAG size of output: 62 [2020-11-07 05:32:59,726 WARN L194 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 68 [2020-11-07 05:33:00,673 WARN L194 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 65 [2020-11-07 05:33:01,599 WARN L194 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 67 [2020-11-07 05:33:04,344 WARN L194 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 279 DAG size of output: 82 [2020-11-07 05:33:05,268 WARN L194 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 68 [2020-11-07 05:33:08,018 WARN L194 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 279 DAG size of output: 82 [2020-11-07 05:33:10,762 WARN L194 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 279 DAG size of output: 82 [2020-11-07 05:33:13,502 WARN L194 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 279 DAG size of output: 82 [2020-11-07 05:33:14,435 WARN L194 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 67 [2020-11-07 05:33:15,366 WARN L194 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 68 [2020-11-07 05:33:16,292 WARN L194 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 67 [2020-11-07 05:33:17,284 WARN L194 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 68 [2020-11-07 05:33:19,970 WARN L194 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:33:21,025 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 152 DAG size of output: 63 [2020-11-07 05:33:21,785 WARN L194 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 62 [2020-11-07 05:33:24,451 WARN L194 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:33:27,125 WARN L194 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:33:28,072 WARN L194 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 65 [2020-11-07 05:33:29,010 WARN L194 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 68 [2020-11-07 05:33:29,944 WARN L194 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 65 [2020-11-07 05:33:32,753 WARN L194 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 279 DAG size of output: 82 [2020-11-07 05:33:33,681 WARN L194 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 67 [2020-11-07 05:33:36,429 WARN L194 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 279 DAG size of output: 82 [2020-11-07 05:33:39,191 WARN L194 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 279 DAG size of output: 82 [2020-11-07 05:33:40,196 WARN L194 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 60 [2020-11-07 05:33:53,974 WARN L194 SmtUtils]: Spent 13.77 s on a formula simplification. DAG size of input: 385 DAG size of output: 176 [2020-11-07 05:34:07,808 WARN L194 SmtUtils]: Spent 13.79 s on a formula simplification. DAG size of input: 385 DAG size of output: 176 [2020-11-07 05:34:08,871 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 203 DAG size of output: 67 [2020-11-07 05:34:09,985 WARN L194 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 202 DAG size of output: 68 [2020-11-07 05:34:11,126 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 157 DAG size of output: 66 [2020-11-07 05:34:12,023 WARN L194 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 71 [2020-11-07 05:34:12,841 WARN L194 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 62 [2020-11-07 05:34:13,823 WARN L194 SmtUtils]: Spent 975.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 64 [2020-11-07 05:34:14,841 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 155 DAG size of output: 66 [2020-11-07 05:34:17,569 WARN L194 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:34:20,297 WARN L194 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:34:21,380 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 152 DAG size of output: 63 [2020-11-07 05:34:22,061 WARN L194 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 59 [2020-11-07 05:34:22,975 WARN L194 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 66 [2020-11-07 05:34:24,103 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 209 DAG size of output: 68 [2020-11-07 05:34:24,882 WARN L194 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 64 [2020-11-07 05:34:25,850 WARN L194 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 64 [2020-11-07 05:34:26,913 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 203 DAG size of output: 67 [2020-11-07 05:34:28,128 WARN L194 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 207 DAG size of output: 71 [2020-11-07 05:34:29,273 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 204 DAG size of output: 69 [2020-11-07 05:34:30,621 WARN L194 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 173 DAG size of output: 64 [2020-11-07 05:34:32,004 WARN L194 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 205 DAG size of output: 69 [2020-11-07 05:34:33,069 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 203 DAG size of output: 67 [2020-11-07 05:34:34,201 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 158 DAG size of output: 71 [2020-11-07 05:34:35,165 WARN L194 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 67 [2020-11-07 05:34:36,338 WARN L194 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 181 DAG size of output: 71 [2020-11-07 05:34:37,712 WARN L194 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 211 DAG size of output: 72 [2020-11-07 05:34:38,534 WARN L194 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 66 [2020-11-07 05:34:41,272 WARN L194 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:34:42,114 WARN L194 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 67 [2020-11-07 05:34:42,840 WARN L194 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 62 [2020-11-07 05:34:45,674 WARN L194 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 279 DAG size of output: 82 [2020-11-07 05:34:46,634 WARN L194 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 65 [2020-11-07 05:34:47,585 WARN L194 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 68 [2020-11-07 05:34:48,562 WARN L194 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 68 [2020-11-07 05:34:51,389 WARN L194 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 279 DAG size of output: 82 [2020-11-07 05:34:52,399 WARN L194 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 204 DAG size of output: 69 [2020-11-07 05:34:53,498 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 166 DAG size of output: 67 [2020-11-07 05:34:54,252 WARN L194 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 59 [2020-11-07 05:34:55,178 WARN L194 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 66 [2020-11-07 05:34:55,879 WARN L194 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 62 [2020-11-07 05:34:58,654 WARN L194 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 280 DAG size of output: 81 [2020-11-07 05:34:59,548 WARN L194 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 62 [2020-11-07 05:35:00,505 WARN L194 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 64 [2020-11-07 05:35:01,357 WARN L194 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 64 [2020-11-07 05:35:02,185 WARN L194 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 66 [2020-11-07 05:35:03,025 WARN L194 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 61