/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label38.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 19:37:08,448 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 19:37:08,451 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 19:37:08,490 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-08-22 19:37:08,513 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 19:37:08,515 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 19:37:08,518 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 19:37:08,519 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 19:37:08,521 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 19:37:08,522 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 19:37:08,523 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 19:37:08,532 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 19:37:08,534 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 19:37:08,535 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 19:37:08,536 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 19:37:08,537 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 19:37:08,549 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-22 19:37:08,564 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 19:37:08,565 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 19:37:08,566 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 19:37:08,568 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-08-22 19:37:08,581 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 19:37:08,582 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 19:37:08,583 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 19:37:08,583 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 19:37:08,583 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 19:37:08,583 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 19:37:08,584 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 19:37:08,584 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 19:37:08,584 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 19:37:08,584 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 19:37:08,584 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 19:37:08,585 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 19:37:08,585 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 19:37:08,585 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 19:37:08,585 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 19:37:08,585 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-08-22 19:37:08,586 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 19:37:08,586 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 19:37:08,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 19:37:08,586 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 19:37:08,586 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-08-22 19:37:08,587 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 19:37:08,587 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-08-22 19:37:08,875 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 19:37:08,888 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 19:37:08,891 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 19:37:08,892 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 19:37:08,893 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 19:37:08,893 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label38.c [2020-08-22 19:37:08,965 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb59dc054/65a6f6b865af4f1192e0a4ecc1dc4fbd/FLAGe57a22656 [2020-08-22 19:37:09,564 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 19:37:09,564 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label38.c [2020-08-22 19:37:09,581 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb59dc054/65a6f6b865af4f1192e0a4ecc1dc4fbd/FLAGe57a22656 [2020-08-22 19:37:09,839 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb59dc054/65a6f6b865af4f1192e0a4ecc1dc4fbd [2020-08-22 19:37:09,847 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 19:37:09,849 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 19:37:09,850 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 19:37:09,851 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 19:37:09,854 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 19:37:09,855 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:37:09" (1/1) ... [2020-08-22 19:37:09,858 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4db04ff2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:37:09, skipping insertion in model container [2020-08-22 19:37:09,858 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:37:09" (1/1) ... [2020-08-22 19:37:09,866 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 19:37:09,937 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 19:37:10,500 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 19:37:10,505 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 19:37:10,624 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 19:37:10,640 INFO L208 MainTranslator]: Completed translation [2020-08-22 19:37:10,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:37:10 WrapperNode [2020-08-22 19:37:10,641 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 19:37:10,642 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 19:37:10,642 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 19:37:10,642 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 19:37:10,656 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:37:10" (1/1) ... [2020-08-22 19:37:10,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:37:10" (1/1) ... [2020-08-22 19:37:10,678 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:37:10" (1/1) ... [2020-08-22 19:37:10,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:37:10" (1/1) ... [2020-08-22 19:37:10,748 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:37:10" (1/1) ... [2020-08-22 19:37:10,772 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:37:10" (1/1) ... [2020-08-22 19:37:10,794 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:37:10" (1/1) ... [2020-08-22 19:37:10,815 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 19:37:10,818 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 19:37:10,819 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 19:37:10,819 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 19:37:10,820 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:37:10" (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 [2020-08-22 19:37:10,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 19:37:10,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 19:37:10,905 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-22 19:37:10,906 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 19:37:10,906 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-22 19:37:10,906 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 19:37:10,906 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 19:37:10,906 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-22 19:37:10,906 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 19:37:10,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 19:37:10,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 19:37:12,716 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 19:37:12,716 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-22 19:37:12,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 07:37:12 BoogieIcfgContainer [2020-08-22 19:37:12,727 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 19:37:12,728 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 19:37:12,728 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 19:37:12,732 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 19:37:12,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 07:37:09" (1/3) ... [2020-08-22 19:37:12,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@475bcb14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 07:37:12, skipping insertion in model container [2020-08-22 19:37:12,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:37:10" (2/3) ... [2020-08-22 19:37:12,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@475bcb14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 07:37:12, skipping insertion in model container [2020-08-22 19:37:12,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 07:37:12" (3/3) ... [2020-08-22 19:37:12,736 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label38.c [2020-08-22 19:37:12,747 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 19:37:12,756 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 19:37:12,772 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 19:37:12,798 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 19:37:12,798 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 19:37:12,799 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-08-22 19:37:12,799 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 19:37:12,799 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 19:37:12,799 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 19:37:12,799 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 19:37:12,799 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 19:37:12,835 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states. [2020-08-22 19:37:12,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-08-22 19:37:12,850 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 19:37:12,852 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] [2020-08-22 19:37:12,852 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 19:37:12,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 19:37:12,859 INFO L82 PathProgramCache]: Analyzing trace with hash -496136462, now seen corresponding path program 1 times [2020-08-22 19:37:12,871 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 19:37:12,872 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1252527164] [2020-08-22 19:37:12,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 19:37:12,969 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 19:37:13,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:37:13,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 19:37:13,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:37:13,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 19:37:13,414 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1252527164] [2020-08-22 19:37:13,417 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 19:37:13,417 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 19:37:13,418 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736324132] [2020-08-22 19:37:13,424 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 19:37:13,425 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 19:37:13,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 19:37:13,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-22 19:37:13,444 INFO L87 Difference]: Start difference. First operand 678 states. Second operand 5 states. [2020-08-22 19:37:17,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 19:37:17,229 INFO L93 Difference]: Finished difference Result 1766 states and 2493 transitions. [2020-08-22 19:37:17,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 19:37:17,232 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2020-08-22 19:37:17,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 19:37:17,261 INFO L225 Difference]: With dead ends: 1766 [2020-08-22 19:37:17,261 INFO L226 Difference]: Without dead ends: 1025 [2020-08-22 19:37:17,278 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-22 19:37:17,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1025 states. [2020-08-22 19:37:17,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1025 to 995. [2020-08-22 19:37:17,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 995 states. [2020-08-22 19:37:17,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 995 states to 995 states and 1343 transitions. [2020-08-22 19:37:17,457 INFO L78 Accepts]: Start accepts. Automaton has 995 states and 1343 transitions. Word has length 69 [2020-08-22 19:37:17,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 19:37:17,458 INFO L479 AbstractCegarLoop]: Abstraction has 995 states and 1343 transitions. [2020-08-22 19:37:17,458 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 19:37:17,458 INFO L276 IsEmpty]: Start isEmpty. Operand 995 states and 1343 transitions. [2020-08-22 19:37:17,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-08-22 19:37:17,468 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 19:37:17,469 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-22 19:37:17,469 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 19:37:17,470 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 19:37:17,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 19:37:17,470 INFO L82 PathProgramCache]: Analyzing trace with hash -1110466945, now seen corresponding path program 1 times [2020-08-22 19:37:17,471 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 19:37:17,471 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [110433442] [2020-08-22 19:37:17,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 19:37:17,527 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 19:37:17,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:37:17,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 19:37:17,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:37:17,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-22 19:37:17,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:37:17,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 19:37:17,858 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [110433442] [2020-08-22 19:37:17,859 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 19:37:17,859 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-22 19:37:17,859 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936730971] [2020-08-22 19:37:17,861 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 19:37:17,861 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 19:37:17,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 19:37:17,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-22 19:37:17,862 INFO L87 Difference]: Start difference. First operand 995 states and 1343 transitions. Second operand 8 states. [2020-08-22 19:37:20,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 19:37:20,986 INFO L93 Difference]: Finished difference Result 2228 states and 3074 transitions. [2020-08-22 19:37:20,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-22 19:37:20,990 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 153 [2020-08-22 19:37:20,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 19:37:21,006 INFO L225 Difference]: With dead ends: 2228 [2020-08-22 19:37:21,007 INFO L226 Difference]: Without dead ends: 1248 [2020-08-22 19:37:21,015 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-08-22 19:37:21,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1248 states. [2020-08-22 19:37:21,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1248 to 1001. [2020-08-22 19:37:21,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1001 states. [2020-08-22 19:37:21,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 1001 states and 1253 transitions. [2020-08-22 19:37:21,148 INFO L78 Accepts]: Start accepts. Automaton has 1001 states and 1253 transitions. Word has length 153 [2020-08-22 19:37:21,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 19:37:21,152 INFO L479 AbstractCegarLoop]: Abstraction has 1001 states and 1253 transitions. [2020-08-22 19:37:21,153 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 19:37:21,153 INFO L276 IsEmpty]: Start isEmpty. Operand 1001 states and 1253 transitions. [2020-08-22 19:37:21,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-08-22 19:37:21,166 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 19:37:21,166 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-22 19:37:21,167 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 19:37:21,168 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 19:37:21,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 19:37:21,169 INFO L82 PathProgramCache]: Analyzing trace with hash -2042415941, now seen corresponding path program 1 times [2020-08-22 19:37:21,171 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 19:37:21,171 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [437466150] [2020-08-22 19:37:21,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 19:37:21,222 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 19:37:21,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:37:21,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 19:37:21,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:37:21,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-22 19:37:21,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:37:21,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 19:37:21,640 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [437466150] [2020-08-22 19:37:21,641 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 19:37:21,641 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-22 19:37:21,641 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88032822] [2020-08-22 19:37:21,644 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 19:37:21,644 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 19:37:21,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 19:37:21,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-08-22 19:37:21,645 INFO L87 Difference]: Start difference. First operand 1001 states and 1253 transitions. Second operand 9 states. [2020-08-22 19:37:25,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 19:37:25,850 INFO L93 Difference]: Finished difference Result 2437 states and 3097 transitions. [2020-08-22 19:37:25,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-08-22 19:37:25,851 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 163 [2020-08-22 19:37:25,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 19:37:25,866 INFO L225 Difference]: With dead ends: 2437 [2020-08-22 19:37:25,867 INFO L226 Difference]: Without dead ends: 1451 [2020-08-22 19:37:25,871 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2020-08-22 19:37:25,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1451 states. [2020-08-22 19:37:25,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1451 to 1194. [2020-08-22 19:37:25,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1194 states. [2020-08-22 19:37:25,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 1194 states and 1467 transitions. [2020-08-22 19:37:25,991 INFO L78 Accepts]: Start accepts. Automaton has 1194 states and 1467 transitions. Word has length 163 [2020-08-22 19:37:25,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 19:37:25,992 INFO L479 AbstractCegarLoop]: Abstraction has 1194 states and 1467 transitions. [2020-08-22 19:37:25,992 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 19:37:25,993 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 1467 transitions. [2020-08-22 19:37:25,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-08-22 19:37:25,997 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 19:37:25,997 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 19:37:25,998 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 19:37:25,998 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 19:37:25,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 19:37:26,000 INFO L82 PathProgramCache]: Analyzing trace with hash 452640985, now seen corresponding path program 1 times [2020-08-22 19:37:26,000 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 19:37:26,000 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [518922912] [2020-08-22 19:37:26,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 19:37:26,026 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 19:37:26,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:37:26,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 19:37:26,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:37:26,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-22 19:37:26,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:37:26,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 19:37:26,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:37:26,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 19:37:26,476 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [518922912] [2020-08-22 19:37:26,476 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 19:37:26,477 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-22 19:37:26,477 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629712441] [2020-08-22 19:37:26,478 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 19:37:26,478 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 19:37:26,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 19:37:26,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-08-22 19:37:26,479 INFO L87 Difference]: Start difference. First operand 1194 states and 1467 transitions. Second operand 9 states. [2020-08-22 19:37:30,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 19:37:30,758 INFO L93 Difference]: Finished difference Result 2478 states and 3100 transitions. [2020-08-22 19:37:30,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-08-22 19:37:30,759 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 246 [2020-08-22 19:37:30,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 19:37:30,772 INFO L225 Difference]: With dead ends: 2478 [2020-08-22 19:37:30,772 INFO L226 Difference]: Without dead ends: 1490 [2020-08-22 19:37:30,776 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-08-22 19:37:30,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1490 states. [2020-08-22 19:37:30,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1490 to 1435. [2020-08-22 19:37:30,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1435 states. [2020-08-22 19:37:30,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1435 states to 1435 states and 1736 transitions. [2020-08-22 19:37:30,906 INFO L78 Accepts]: Start accepts. Automaton has 1435 states and 1736 transitions. Word has length 246 [2020-08-22 19:37:30,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 19:37:30,907 INFO L479 AbstractCegarLoop]: Abstraction has 1435 states and 1736 transitions. [2020-08-22 19:37:30,907 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 19:37:30,907 INFO L276 IsEmpty]: Start isEmpty. Operand 1435 states and 1736 transitions. [2020-08-22 19:37:30,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2020-08-22 19:37:30,912 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 19:37:30,912 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 19:37:30,913 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 19:37:30,913 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 19:37:30,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 19:37:30,913 INFO L82 PathProgramCache]: Analyzing trace with hash -144439824, now seen corresponding path program 1 times [2020-08-22 19:37:30,914 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 19:37:30,914 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [231793544] [2020-08-22 19:37:30,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 19:37:30,938 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 19:37:30,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:37:31,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 19:37:31,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:37:31,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-22 19:37:31,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:37:31,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-08-22 19:37:31,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:37:31,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 19:37:31,505 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [231793544] [2020-08-22 19:37:31,505 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 19:37:31,506 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-08-22 19:37:31,506 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134711065] [2020-08-22 19:37:31,506 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 19:37:31,506 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 19:37:31,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 19:37:31,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-08-22 19:37:31,507 INFO L87 Difference]: Start difference. First operand 1435 states and 1736 transitions. Second operand 11 states. [2020-08-22 19:37:36,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 19:37:36,418 INFO L93 Difference]: Finished difference Result 3479 states and 4213 transitions. [2020-08-22 19:37:36,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-08-22 19:37:36,419 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 256 [2020-08-22 19:37:36,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 19:37:36,436 INFO L225 Difference]: With dead ends: 3479 [2020-08-22 19:37:36,436 INFO L226 Difference]: Without dead ends: 2102 [2020-08-22 19:37:36,443 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=162, Invalid=488, Unknown=0, NotChecked=0, Total=650 [2020-08-22 19:37:36,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2102 states. [2020-08-22 19:37:36,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2102 to 1841. [2020-08-22 19:37:36,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1841 states. [2020-08-22 19:37:36,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 2165 transitions. [2020-08-22 19:37:36,675 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 2165 transitions. Word has length 256 [2020-08-22 19:37:36,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 19:37:36,675 INFO L479 AbstractCegarLoop]: Abstraction has 1841 states and 2165 transitions. [2020-08-22 19:37:36,675 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 19:37:36,676 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 2165 transitions. [2020-08-22 19:37:36,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2020-08-22 19:37:36,681 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 19:37:36,682 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 19:37:36,682 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 19:37:36,682 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 19:37:36,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 19:37:36,683 INFO L82 PathProgramCache]: Analyzing trace with hash -413630622, now seen corresponding path program 1 times [2020-08-22 19:37:36,683 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 19:37:36,683 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [180317774] [2020-08-22 19:37:36,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 19:37:36,725 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 19:37:36,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:37:36,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 19:37:36,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:37:36,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-22 19:37:36,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:37:37,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-08-22 19:37:37,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:37:37,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 19:37:37,339 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [180317774] [2020-08-22 19:37:37,340 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 19:37:37,340 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-22 19:37:37,344 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553026166] [2020-08-22 19:37:37,345 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 19:37:37,347 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 19:37:37,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 19:37:37,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-08-22 19:37:37,354 INFO L87 Difference]: Start difference. First operand 1841 states and 2165 transitions. Second operand 10 states. [2020-08-22 19:37:44,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 19:37:44,519 INFO L93 Difference]: Finished difference Result 5966 states and 7467 transitions. [2020-08-22 19:37:44,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-08-22 19:37:44,520 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 281 [2020-08-22 19:37:44,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 19:37:44,550 INFO L225 Difference]: With dead ends: 5966 [2020-08-22 19:37:44,551 INFO L226 Difference]: Without dead ends: 4331 [2020-08-22 19:37:44,559 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=210, Invalid=782, Unknown=0, NotChecked=0, Total=992 [2020-08-22 19:37:44,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4331 states. [2020-08-22 19:37:45,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4331 to 3828. [2020-08-22 19:37:45,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3828 states. [2020-08-22 19:37:45,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3828 states to 3828 states and 4542 transitions. [2020-08-22 19:37:45,181 INFO L78 Accepts]: Start accepts. Automaton has 3828 states and 4542 transitions. Word has length 281 [2020-08-22 19:37:45,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 19:37:45,181 INFO L479 AbstractCegarLoop]: Abstraction has 3828 states and 4542 transitions. [2020-08-22 19:37:45,182 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 19:37:45,182 INFO L276 IsEmpty]: Start isEmpty. Operand 3828 states and 4542 transitions. [2020-08-22 19:37:45,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 678 [2020-08-22 19:37:45,208 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 19:37:45,209 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2020-08-22 19:37:45,209 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-22 19:37:45,209 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 19:37:45,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 19:37:45,210 INFO L82 PathProgramCache]: Analyzing trace with hash 1701663168, now seen corresponding path program 1 times [2020-08-22 19:37:45,210 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 19:37:45,210 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2010922177] [2020-08-22 19:37:45,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 19:37:45,250 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 19:37:45,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:37:45,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 19:37:45,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:37:45,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-22 19:37:45,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:37:45,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-08-22 19:37:45,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:37:45,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2020-08-22 19:37:45,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:37:45,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2020-08-22 19:37:45,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:37:45,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2020-08-22 19:37:45,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:37:46,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 19:37:46,856 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2010922177] [2020-08-22 19:37:46,856 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 19:37:46,856 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-08-22 19:37:46,857 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985035958] [2020-08-22 19:37:46,857 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-08-22 19:37:46,858 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 19:37:46,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-08-22 19:37:46,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2020-08-22 19:37:46,858 INFO L87 Difference]: Start difference. First operand 3828 states and 4542 transitions. Second operand 13 states. [2020-08-22 19:37:53,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 19:37:53,029 INFO L93 Difference]: Finished difference Result 9191 states and 11371 transitions. [2020-08-22 19:37:53,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-08-22 19:37:53,030 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 677 [2020-08-22 19:37:53,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 19:37:53,075 INFO L225 Difference]: With dead ends: 9191 [2020-08-22 19:37:53,076 INFO L226 Difference]: Without dead ends: 5684 [2020-08-22 19:37:53,089 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=146, Invalid=504, Unknown=0, NotChecked=0, Total=650 [2020-08-22 19:37:53,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5684 states. [2020-08-22 19:37:53,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5684 to 5602. [2020-08-22 19:37:53,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5602 states. [2020-08-22 19:37:53,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5602 states to 5602 states and 6893 transitions. [2020-08-22 19:37:53,807 INFO L78 Accepts]: Start accepts. Automaton has 5602 states and 6893 transitions. Word has length 677 [2020-08-22 19:37:53,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 19:37:53,808 INFO L479 AbstractCegarLoop]: Abstraction has 5602 states and 6893 transitions. [2020-08-22 19:37:53,808 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-08-22 19:37:53,808 INFO L276 IsEmpty]: Start isEmpty. Operand 5602 states and 6893 transitions. [2020-08-22 19:37:53,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 692 [2020-08-22 19:37:53,832 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 19:37:53,833 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 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] [2020-08-22 19:37:53,833 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-22 19:37:53,833 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 19:37:53,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 19:37:53,834 INFO L82 PathProgramCache]: Analyzing trace with hash 912169590, now seen corresponding path program 1 times [2020-08-22 19:37:53,834 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 19:37:53,834 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [143399639] [2020-08-22 19:37:53,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 19:37:53,872 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 19:37:53,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:37:54,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 19:37:54,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:37:54,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-22 19:37:54,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:37:54,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-08-22 19:37:54,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:37:54,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2020-08-22 19:37:54,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:37:54,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2020-08-22 19:37:54,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:37:54,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2020-08-22 19:37:54,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:37:54,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2020-08-22 19:37:54,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:37:54,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 19:37:54,519 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [143399639] [2020-08-22 19:37:54,519 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 19:37:54,519 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 19:37:54,520 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122863451] [2020-08-22 19:37:54,520 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 19:37:54,521 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 19:37:54,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 19:37:54,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-22 19:37:54,521 INFO L87 Difference]: Start difference. First operand 5602 states and 6893 transitions. Second operand 7 states. [2020-08-22 19:37:58,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 19:37:58,200 INFO L93 Difference]: Finished difference Result 12136 states and 15208 transitions. [2020-08-22 19:37:58,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-22 19:37:58,201 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 691 [2020-08-22 19:37:58,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 19:37:58,243 INFO L225 Difference]: With dead ends: 12136 [2020-08-22 19:37:58,243 INFO L226 Difference]: Without dead ends: 6931 [2020-08-22 19:37:58,263 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-22 19:37:58,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6931 states. [2020-08-22 19:37:59,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6931 to 6707. [2020-08-22 19:37:59,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6707 states. [2020-08-22 19:37:59,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6707 states to 6707 states and 8222 transitions. [2020-08-22 19:37:59,650 INFO L78 Accepts]: Start accepts. Automaton has 6707 states and 8222 transitions. Word has length 691 [2020-08-22 19:37:59,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 19:37:59,650 INFO L479 AbstractCegarLoop]: Abstraction has 6707 states and 8222 transitions. [2020-08-22 19:37:59,651 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 19:37:59,651 INFO L276 IsEmpty]: Start isEmpty. Operand 6707 states and 8222 transitions. [2020-08-22 19:37:59,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 834 [2020-08-22 19:37:59,689 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 19:37:59,690 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 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] [2020-08-22 19:37:59,690 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-22 19:37:59,690 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 19:37:59,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 19:37:59,697 INFO L82 PathProgramCache]: Analyzing trace with hash 792464542, now seen corresponding path program 1 times [2020-08-22 19:37:59,698 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 19:37:59,700 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [658980002] [2020-08-22 19:37:59,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 19:37:59,749 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 19:37:59,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:38:00,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 19:38:00,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:38:00,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-22 19:38:00,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:38:00,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-08-22 19:38:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:38:00,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2020-08-22 19:38:00,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:38:00,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2020-08-22 19:38:00,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:38:00,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2020-08-22 19:38:00,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:38:00,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2020-08-22 19:38:00,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:38:01,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 19:38:01,590 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [658980002] [2020-08-22 19:38:01,590 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 19:38:01,590 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-08-22 19:38:01,590 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090113331] [2020-08-22 19:38:01,591 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-08-22 19:38:01,592 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 19:38:01,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-08-22 19:38:01,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2020-08-22 19:38:01,594 INFO L87 Difference]: Start difference. First operand 6707 states and 8222 transitions. Second operand 15 states. [2020-08-22 19:38:08,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 19:38:08,387 INFO L93 Difference]: Finished difference Result 13806 states and 16936 transitions. [2020-08-22 19:38:08,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-08-22 19:38:08,388 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 833 [2020-08-22 19:38:08,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 19:38:08,430 INFO L225 Difference]: With dead ends: 13806 [2020-08-22 19:38:08,430 INFO L226 Difference]: Without dead ends: 7425 [2020-08-22 19:38:08,449 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=221, Invalid=771, Unknown=0, NotChecked=0, Total=992 [2020-08-22 19:38:08,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7425 states. [2020-08-22 19:38:10,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7425 to 6582. [2020-08-22 19:38:10,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6582 states. [2020-08-22 19:38:10,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6582 states to 6582 states and 8044 transitions. [2020-08-22 19:38:10,275 INFO L78 Accepts]: Start accepts. Automaton has 6582 states and 8044 transitions. Word has length 833 [2020-08-22 19:38:10,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 19:38:10,276 INFO L479 AbstractCegarLoop]: Abstraction has 6582 states and 8044 transitions. [2020-08-22 19:38:10,276 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-08-22 19:38:10,276 INFO L276 IsEmpty]: Start isEmpty. Operand 6582 states and 8044 transitions. [2020-08-22 19:38:10,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 849 [2020-08-22 19:38:10,295 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 19:38:10,295 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 3, 3, 3, 3, 3, 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] [2020-08-22 19:38:10,296 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-22 19:38:10,296 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 19:38:10,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 19:38:10,296 INFO L82 PathProgramCache]: Analyzing trace with hash -434183850, now seen corresponding path program 1 times [2020-08-22 19:38:10,296 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 19:38:10,297 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [451367992] [2020-08-22 19:38:10,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 19:38:10,335 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 19:38:10,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:38:10,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 19:38:10,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:38:10,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-22 19:38:10,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:38:10,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-08-22 19:38:10,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:38:10,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2020-08-22 19:38:10,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:38:10,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2020-08-22 19:38:10,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:38:10,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2020-08-22 19:38:10,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:38:10,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 648 [2020-08-22 19:38:10,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:38:11,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 19:38:11,451 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [451367992] [2020-08-22 19:38:11,477 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 19:38:11,478 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 19:38:11,478 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613544330] [2020-08-22 19:38:11,479 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 19:38:11,479 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 19:38:11,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 19:38:11,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-22 19:38:11,480 INFO L87 Difference]: Start difference. First operand 6582 states and 8044 transitions. Second operand 5 states. [2020-08-22 19:38:15,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 19:38:15,400 INFO L93 Difference]: Finished difference Result 15339 states and 19151 transitions. [2020-08-22 19:38:15,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-22 19:38:15,401 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 848 [2020-08-22 19:38:15,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 19:38:15,439 INFO L225 Difference]: With dead ends: 15339 [2020-08-22 19:38:15,439 INFO L226 Difference]: Without dead ends: 9154 [2020-08-22 19:38:15,458 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-22 19:38:15,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9154 states. [2020-08-22 19:38:16,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9154 to 8305. [2020-08-22 19:38:16,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8305 states. [2020-08-22 19:38:16,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8305 states to 8305 states and 9992 transitions. [2020-08-22 19:38:16,381 INFO L78 Accepts]: Start accepts. Automaton has 8305 states and 9992 transitions. Word has length 848 [2020-08-22 19:38:16,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 19:38:16,382 INFO L479 AbstractCegarLoop]: Abstraction has 8305 states and 9992 transitions. [2020-08-22 19:38:16,382 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 19:38:16,382 INFO L276 IsEmpty]: Start isEmpty. Operand 8305 states and 9992 transitions. [2020-08-22 19:38:16,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 908 [2020-08-22 19:38:16,405 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 19:38:16,405 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 19:38:16,406 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-22 19:38:16,406 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 19:38:16,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 19:38:16,406 INFO L82 PathProgramCache]: Analyzing trace with hash -184702077, now seen corresponding path program 1 times [2020-08-22 19:38:16,407 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 19:38:16,407 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1670798409] [2020-08-22 19:38:16,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 19:38:16,444 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 19:38:16,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:38:16,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 19:38:16,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:38:16,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-22 19:38:16,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:38:16,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-08-22 19:38:16,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:38:16,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2020-08-22 19:38:16,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:38:16,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2020-08-22 19:38:16,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:38:17,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2020-08-22 19:38:17,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:38:17,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2020-08-22 19:38:17,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:38:18,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 19:38:18,320 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1670798409] [2020-08-22 19:38:18,320 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 19:38:18,320 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-08-22 19:38:18,321 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363142892] [2020-08-22 19:38:18,321 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-08-22 19:38:18,321 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 19:38:18,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-08-22 19:38:18,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2020-08-22 19:38:18,322 INFO L87 Difference]: Start difference. First operand 8305 states and 9992 transitions. Second operand 15 states. [2020-08-22 19:38:25,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 19:38:25,141 INFO L93 Difference]: Finished difference Result 16719 states and 20157 transitions. [2020-08-22 19:38:25,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-08-22 19:38:25,142 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 907 [2020-08-22 19:38:25,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 19:38:25,182 INFO L225 Difference]: With dead ends: 16719 [2020-08-22 19:38:25,183 INFO L226 Difference]: Without dead ends: 8744 [2020-08-22 19:38:25,206 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=221, Invalid=771, Unknown=0, NotChecked=0, Total=992 [2020-08-22 19:38:25,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8744 states. [2020-08-22 19:38:26,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8744 to 8283. [2020-08-22 19:38:26,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8283 states. [2020-08-22 19:38:26,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8283 states to 8283 states and 9956 transitions. [2020-08-22 19:38:26,363 INFO L78 Accepts]: Start accepts. Automaton has 8283 states and 9956 transitions. Word has length 907 [2020-08-22 19:38:26,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 19:38:26,364 INFO L479 AbstractCegarLoop]: Abstraction has 8283 states and 9956 transitions. [2020-08-22 19:38:26,364 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-08-22 19:38:26,364 INFO L276 IsEmpty]: Start isEmpty. Operand 8283 states and 9956 transitions. [2020-08-22 19:38:26,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 910 [2020-08-22 19:38:26,386 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 19:38:26,387 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 19:38:26,387 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-22 19:38:26,387 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 19:38:26,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 19:38:26,388 INFO L82 PathProgramCache]: Analyzing trace with hash 970560772, now seen corresponding path program 1 times [2020-08-22 19:38:26,388 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 19:38:26,388 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [618299559] [2020-08-22 19:38:26,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 19:38:26,420 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 19:38:26,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:38:26,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 19:38:26,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:38:26,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-22 19:38:26,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:38:26,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-08-22 19:38:26,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:38:26,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2020-08-22 19:38:26,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:38:26,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2020-08-22 19:38:26,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:38:26,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2020-08-22 19:38:26,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:38:26,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2020-08-22 19:38:26,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:38:27,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 19:38:27,695 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [618299559] [2020-08-22 19:38:27,695 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 19:38:27,696 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-22 19:38:27,696 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805218408] [2020-08-22 19:38:27,696 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 19:38:27,697 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 19:38:27,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 19:38:27,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-22 19:38:27,697 INFO L87 Difference]: Start difference. First operand 8283 states and 9956 transitions. Second operand 8 states. [2020-08-22 19:38:36,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 19:38:36,014 INFO L93 Difference]: Finished difference Result 21331 states and 26408 transitions. [2020-08-22 19:38:36,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-22 19:38:36,015 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 909 [2020-08-22 19:38:36,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 19:38:36,026 INFO L225 Difference]: With dead ends: 21331 [2020-08-22 19:38:36,026 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 19:38:36,077 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2020-08-22 19:38:36,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 19:38:36,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 19:38:36,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 19:38:36,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 19:38:36,078 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 909 [2020-08-22 19:38:36,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 19:38:36,079 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 19:38:36,079 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 19:38:36,079 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 19:38:36,079 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 19:38:36,079 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-08-22 19:38:36,082 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 19:38:37,826 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 141 [2020-08-22 19:38:38,473 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 141 [2020-08-22 19:38:38,635 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 60 [2020-08-22 19:38:40,045 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 141 [2020-08-22 19:38:45,166 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 59 [2020-08-22 19:38:52,634 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 141 [2020-08-22 19:39:26,268 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 141 [2020-08-22 19:39:53,750 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 141 [2020-08-22 19:39:58,430 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 199 [2020-08-22 19:39:58,581 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 180 [2020-08-22 19:39:59,150 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 172 [2020-08-22 19:39:59,687 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 169 [2020-08-22 19:40:00,129 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 198 [2020-08-22 19:40:00,611 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 199 [2020-08-22 19:40:00,901 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 169 [2020-08-22 19:40:01,741 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 151 [2020-08-22 19:40:02,462 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 199 [2020-08-22 19:40:02,619 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 180 [2020-08-22 19:40:03,221 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 172 [2020-08-22 19:40:03,759 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 169 [2020-08-22 19:40:04,186 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 198 [2020-08-22 19:40:04,673 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 199 [2020-08-22 19:40:04,962 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 169 [2020-08-22 19:40:20,861 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 141 [2020-08-22 19:40:37,597 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 48 [2020-08-22 19:40:39,101 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:40:39,799 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 60 [2020-08-22 19:40:40,907 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 209 DAG size of output: 56 [2020-08-22 19:40:41,443 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 45 [2020-08-22 19:40:42,282 WARN L193 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 47 [2020-08-22 19:40:42,983 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 56 [2020-08-22 19:40:43,799 WARN L193 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 57 [2020-08-22 19:40:44,218 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 45 [2020-08-22 19:40:45,589 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:40:46,266 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 50 [2020-08-22 19:40:47,620 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:40:48,041 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 45 [2020-08-22 19:40:48,917 WARN L193 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 52 [2020-08-22 19:40:49,571 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 48 [2020-08-22 19:40:50,446 WARN L193 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 65 [2020-08-22 19:40:51,179 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 52 [2020-08-22 19:40:52,047 WARN L193 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 48 [2020-08-22 19:40:52,664 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 53 [2020-08-22 19:40:53,429 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 54 [2020-08-22 19:40:54,277 WARN L193 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 62 [2020-08-22 19:40:55,097 WARN L193 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 57 [2020-08-22 19:40:56,462 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:40:57,471 WARN L193 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 58 [2020-08-22 19:40:58,311 WARN L193 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 53 [2020-08-22 19:40:58,947 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 59 [2020-08-22 19:40:59,946 WARN L193 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 55 [2020-08-22 19:41:00,516 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 50 [2020-08-22 19:41:01,172 WARN L193 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 48 [2020-08-22 19:41:02,517 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 240 DAG size of output: 67 [2020-08-22 19:41:03,214 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 54 [2020-08-22 19:41:04,060 WARN L193 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 54 [2020-08-22 19:41:05,257 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 207 DAG size of output: 65 [2020-08-22 19:41:05,992 WARN L193 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 56 [2020-08-22 19:41:07,361 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:41:08,412 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 212 DAG size of output: 53 [2020-08-22 19:41:09,178 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 61 [2020-08-22 19:41:10,542 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:41:11,289 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 59 [2020-08-22 19:41:11,951 WARN L193 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 48 [2020-08-22 19:41:12,894 WARN L193 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 57 [2020-08-22 19:41:13,592 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 54 [2020-08-22 19:41:15,014 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:41:15,823 WARN L193 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 57 [2020-08-22 19:41:16,673 WARN L193 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 47 [2020-08-22 19:41:17,462 WARN L193 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 52 [2020-08-22 19:41:18,929 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:41:19,668 WARN L193 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 61 [2020-08-22 19:41:21,068 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:41:21,938 WARN L193 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 58 [2020-08-22 19:41:22,775 WARN L193 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 53 [2020-08-22 19:41:23,788 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 194 DAG size of output: 74 [2020-08-22 19:41:24,811 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 196 DAG size of output: 58 [2020-08-22 19:41:25,516 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 54 [2020-08-22 19:41:26,916 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:41:28,137 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 207 DAG size of output: 65 [2020-08-22 19:41:29,007 WARN L193 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 75 [2020-08-22 19:41:30,002 WARN L193 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 55 [2020-08-22 19:41:31,177 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 202 DAG size of output: 64 [2020-08-22 19:41:32,112 WARN L193 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 55 [2020-08-22 19:41:33,294 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 211 DAG size of output: 54 [2020-08-22 19:41:34,732 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:41:36,112 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:41:37,464 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:41:38,862 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:41:39,789 WARN L193 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 66 [2020-08-22 19:41:40,478 WARN L193 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 50 [2020-08-22 19:41:41,466 WARN L193 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 65 [2020-08-22 19:41:42,119 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 50 [2020-08-22 19:41:42,820 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 57 [2020-08-22 19:41:44,240 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:41:44,998 WARN L193 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 58 [2020-08-22 19:41:45,664 WARN L193 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 53 [2020-08-22 19:41:47,070 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:41:47,836 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 58 [2020-08-22 19:41:49,084 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 211 DAG size of output: 54 [2020-08-22 19:41:50,323 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 211 DAG size of output: 54 [2020-08-22 19:41:51,810 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:41:52,252 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 45 [2020-08-22 19:41:52,883 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 35 [2020-08-22 19:41:53,549 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 45 [2020-08-22 19:41:54,194 WARN L193 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 35 [2020-08-22 19:41:55,659 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:41:56,280 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 35 [2020-08-22 19:41:57,725 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:41:58,351 WARN L193 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 35 [2020-08-22 19:41:58,962 WARN L193 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 35 [2020-08-22 19:42:00,153 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 280 DAG size of output: 52 [2020-08-22 19:42:01,349 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 280 DAG size of output: 52 [2020-08-22 19:42:01,973 WARN L193 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 35 [2020-08-22 19:42:03,135 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 280 DAG size of output: 52 [2020-08-22 19:42:04,345 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 280 DAG size of output: 52 [2020-08-22 19:42:05,794 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:42:06,463 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 45 [2020-08-22 19:42:07,079 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 35 [2020-08-22 19:42:07,737 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 45 [2020-08-22 19:42:09,176 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:42:09,803 WARN L193 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 35 [2020-08-22 19:42:11,242 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:42:12,291 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 197 DAG size of output: 56 [2020-08-22 19:42:13,365 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 205 DAG size of output: 55 [2020-08-22 19:42:14,059 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 60 [2020-08-22 19:42:15,490 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:42:16,178 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 51 [2020-08-22 19:42:16,835 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 50 [2020-08-22 19:42:17,691 WARN L193 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 55 [2020-08-22 19:42:19,122 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:42:19,941 WARN L193 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 62 [2020-08-22 19:42:20,738 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 52 [2020-08-22 19:42:21,813 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 212 DAG size of output: 53 [2020-08-22 19:42:22,494 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 50 [2020-08-22 19:42:23,244 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 46 [2020-08-22 19:42:24,265 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 205 DAG size of output: 55 [2020-08-22 19:42:25,061 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 54 [2020-08-22 19:42:25,794 WARN L193 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 52 [2020-08-22 19:42:26,743 WARN L193 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 63 [2020-08-22 19:42:27,873 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 211 DAG size of output: 60 [2020-08-22 19:42:29,288 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:42:30,034 WARN L193 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 52 [2020-08-22 19:42:31,474 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:42:32,551 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 196 DAG size of output: 58 [2020-08-22 19:42:33,271 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 48 [2020-08-22 19:42:34,458 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 229 DAG size of output: 69 [2020-08-22 19:42:35,051 WARN L193 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 48 [2020-08-22 19:42:35,756 WARN L193 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 50 [2020-08-22 19:42:36,496 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 53 [2020-08-22 19:42:37,668 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 194 DAG size of output: 60 [2020-08-22 19:42:38,772 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 197 DAG size of output: 66 [2020-08-22 19:42:39,495 WARN L193 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 56 [2020-08-22 19:42:40,221 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 60 [2020-08-22 19:42:41,688 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:42:42,281 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 48 [2020-08-22 19:42:43,475 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 209 DAG size of output: 56 [2020-08-22 19:42:44,317 WARN L193 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 54 [2020-08-22 19:42:45,130 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 52 [2020-08-22 19:42:45,813 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 45 [2020-08-22 19:42:47,265 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:42:48,033 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 57 [2020-08-22 19:42:49,053 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 204 DAG size of output: 53 [2020-08-22 19:42:50,491 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:42:51,265 WARN L193 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 54 [2020-08-22 19:42:52,350 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 211 DAG size of output: 61 [2020-08-22 19:42:53,029 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 48 [2020-08-22 19:42:53,874 WARN L193 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 56 [2020-08-22 19:42:55,312 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:42:56,791 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:42:57,764 WARN L193 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 77 [2020-08-22 19:42:58,807 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 198 DAG size of output: 55 [2020-08-22 19:42:59,951 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 236 DAG size of output: 56 [2020-08-22 19:43:00,911 WARN L193 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 63 [2020-08-22 19:43:02,147 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 200 DAG size of output: 62 [2020-08-22 19:43:03,592 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:43:04,842 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 207 DAG size of output: 58 [2020-08-22 19:43:06,009 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 194 DAG size of output: 67 [2020-08-22 19:43:06,826 WARN L193 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 57 [2020-08-22 19:43:07,825 WARN L193 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 55 [2020-08-22 19:43:08,919 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 196 DAG size of output: 63 [2020-08-22 19:43:09,622 WARN L193 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 51 [2020-08-22 19:43:11,195 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:43:12,735 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:43:13,819 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 196 DAG size of output: 55 [2020-08-22 19:43:14,913 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 212 DAG size of output: 53 [2020-08-22 19:43:16,066 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 232 DAG size of output: 56 [2020-08-22 19:43:17,553 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:43:18,227 WARN L193 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 51 [2020-08-22 19:43:19,025 WARN L193 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 53 [2020-08-22 19:43:19,635 WARN L193 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 48 [2020-08-22 19:43:21,125 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:43:22,183 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 198 DAG size of output: 55 [2020-08-22 19:43:22,951 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 46 [2020-08-22 19:43:23,747 WARN L193 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 52 [2020-08-22 19:43:25,200 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:43:25,829 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 35 [2020-08-22 19:43:27,304 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:43:27,971 WARN L193 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 45 [2020-08-22 19:43:28,985 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 196 DAG size of output: 63 [2020-08-22 19:43:30,143 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 230 DAG size of output: 56 [2020-08-22 19:43:31,622 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:43:32,807 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 199 DAG size of output: 67 [2020-08-22 19:43:34,001 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 280 DAG size of output: 52 [2020-08-22 19:43:35,224 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 280 DAG size of output: 52 [2020-08-22 19:43:35,853 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 35 [2020-08-22 19:43:36,565 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 45 [2020-08-22 19:43:37,240 WARN L193 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 45 [2020-08-22 19:43:38,720 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:43:39,373 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 46 [2020-08-22 19:43:40,867 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:43:42,345 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:43:43,186 WARN L193 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 56 [2020-08-22 19:43:43,974 WARN L193 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 52 [2020-08-22 19:43:44,790 WARN L193 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 56 [2020-08-22 19:43:45,780 WARN L193 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 62 [2020-08-22 19:43:46,483 WARN L193 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 51 [2020-08-22 19:43:47,595 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 211 DAG size of output: 54 [2020-08-22 19:43:48,680 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 190 DAG size of output: 74 [2020-08-22 19:43:49,541 WARN L193 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 52 [2020-08-22 19:43:51,121 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:43:52,049 WARN L193 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 51 [2020-08-22 19:43:52,929 WARN L193 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 56 [2020-08-22 19:43:53,744 WARN L193 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 51 [2020-08-22 19:43:54,506 WARN L193 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 49 [2020-08-22 19:43:55,412 WARN L193 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 51 [2020-08-22 19:43:56,154 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 57 [2020-08-22 19:43:56,983 WARN L193 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 52 [2020-08-22 19:43:58,644 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:43:59,400 WARN L193 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 50 [2020-08-22 19:44:00,976 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:44:01,738 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 50 [2020-08-22 19:44:02,634 WARN L193 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 55 [2020-08-22 19:44:03,434 WARN L193 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 46 [2020-08-22 19:44:04,450 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 195 DAG size of output: 59 [2020-08-22 19:44:05,966 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:44:06,694 WARN L193 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 50 [2020-08-22 19:44:07,646 WARN L193 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 64 [2020-08-22 19:44:08,498 WARN L193 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 58 [2020-08-22 19:44:09,283 WARN L193 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 53 [2020-08-22 19:44:10,389 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 192 DAG size of output: 57 [2020-08-22 19:44:11,169 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 54 [2020-08-22 19:44:11,914 WARN L193 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 51 [2020-08-22 19:44:12,650 WARN L193 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 53 [2020-08-22 19:44:13,445 WARN L193 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 46 [2020-08-22 19:44:14,540 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 188 DAG size of output: 65 [2020-08-22 19:44:15,308 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 54 [2020-08-22 19:44:16,328 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 184 DAG size of output: 78 [2020-08-22 19:44:17,271 WARN L193 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 48 [2020-08-22 19:44:18,820 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:44:20,351 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:44:21,388 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 189 DAG size of output: 65 [2020-08-22 19:44:22,577 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 204 DAG size of output: 61 [2020-08-22 19:44:23,354 WARN L193 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 51 [2020-08-22 19:44:24,330 WARN L193 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 48 [2020-08-22 19:44:25,160 WARN L193 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 60 [2020-08-22 19:44:26,087 WARN L193 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 57 [2020-08-22 19:44:27,585 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:44:28,225 WARN L193 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 51 [2020-08-22 19:44:29,738 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:44:30,915 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 209 DAG size of output: 56 [2020-08-22 19:44:31,628 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 44 [2020-08-22 19:44:32,568 WARN L193 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 48 [2020-08-22 19:44:33,329 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 54 [2020-08-22 19:44:34,212 WARN L193 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 58 [2020-08-22 19:44:34,961 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 62 [2020-08-22 19:44:35,825 WARN L193 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 55 [2020-08-22 19:44:36,643 WARN L193 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 56 [2020-08-22 19:44:37,508 WARN L193 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 55 [2020-08-22 19:44:38,615 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 205 DAG size of output: 55 [2020-08-22 19:44:39,431 WARN L193 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 62 [2020-08-22 19:44:40,997 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:44:42,111 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 196 DAG size of output: 63 [2020-08-22 19:44:43,865 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:44:45,590 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:44:46,626 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 195 DAG size of output: 52 [2020-08-22 19:44:47,647 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 195 DAG size of output: 54 [2020-08-22 19:44:49,340 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:44:50,190 WARN L193 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 51 [2020-08-22 19:44:51,198 WARN L193 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 51 [2020-08-22 19:44:52,756 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:44:54,286 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 240 DAG size of output: 67 [2020-08-22 19:44:55,198 WARN L193 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 54 [2020-08-22 19:44:55,955 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 50 [2020-08-22 19:44:57,527 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:44:58,317 WARN L193 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 54 [2020-08-22 19:44:58,939 WARN L193 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 35 [2020-08-22 19:45:00,041 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 205 DAG size of output: 55 [2020-08-22 19:45:01,576 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:45:02,442 WARN L193 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 46 [2020-08-22 19:45:03,224 WARN L193 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 51 [2020-08-22 19:45:04,085 WARN L193 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 56 [2020-08-22 19:45:05,183 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 194 DAG size of output: 61 [2020-08-22 19:45:06,484 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 213 DAG size of output: 64 [2020-08-22 19:45:07,411 WARN L193 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 56 [2020-08-22 19:45:08,180 WARN L193 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 52 [2020-08-22 19:45:09,728 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:45:10,432 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 45 [2020-08-22 19:45:11,976 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:45:13,502 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:45:14,224 WARN L193 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 45 [2020-08-22 19:45:14,680 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 45 [2020-08-22 19:45:15,466 WARN L193 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 52 [2020-08-22 19:45:17,031 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:45:17,760 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 45 [2020-08-22 19:45:18,662 WARN L193 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 56 [2020-08-22 19:45:19,407 WARN L193 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 45 [2020-08-22 19:45:20,502 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 190 DAG size of output: 68 [2020-08-22 19:45:21,247 WARN L193 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 50 [2020-08-22 19:45:22,322 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 194 DAG size of output: 62 [2020-08-22 19:45:23,721 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 280 DAG size of output: 52 [2020-08-22 19:45:25,265 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 280 DAG size of output: 52 [2020-08-22 19:45:26,029 WARN L193 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 35 [2020-08-22 19:45:26,787 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 35 [2020-08-22 19:45:27,552 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 35 [2020-08-22 19:45:29,253 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:45:29,942 WARN L193 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 35 [2020-08-22 19:45:30,623 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 35 [2020-08-22 19:45:32,164 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:45:32,870 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 45 [2020-08-22 19:45:34,573 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:45:36,261 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:45:36,963 WARN L193 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 35 [2020-08-22 19:45:37,973 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 206 DAG size of output: 52 [2020-08-22 19:45:39,570 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:45:40,392 WARN L193 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 54 [2020-08-22 19:45:41,183 WARN L193 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 54 [2020-08-22 19:45:42,516 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 280 DAG size of output: 52 [2020-08-22 19:45:43,833 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 280 DAG size of output: 52 [2020-08-22 19:45:45,154 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 280 DAG size of output: 52 [2020-08-22 19:45:45,833 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 35 [2020-08-22 19:45:46,760 WARN L193 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 55 [2020-08-22 19:45:48,364 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:45:49,192 WARN L193 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 46 [2020-08-22 19:45:50,462 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 210 DAG size of output: 56 [2020-08-22 19:45:52,120 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:45:53,067 WARN L193 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 57 [2020-08-22 19:45:54,684 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:45:55,556 WARN L193 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 58 [2020-08-22 19:45:56,930 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 188 DAG size of output: 67 [2020-08-22 19:45:58,536 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:45:59,366 WARN L193 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 53 [2020-08-22 19:46:00,243 WARN L193 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 55 [2020-08-22 19:46:00,955 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 46 [2020-08-22 19:46:02,576 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:46:04,176 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:46:05,766 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:46:07,348 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:46:08,690 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 200 DAG size of output: 60 [2020-08-22 19:46:09,649 WARN L193 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 53 [2020-08-22 19:46:10,449 WARN L193 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 46 [2020-08-22 19:46:11,337 WARN L193 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 57 [2020-08-22 19:46:12,050 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 46 [2020-08-22 19:46:12,785 WARN L193 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 46 [2020-08-22 19:46:14,345 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:46:15,080 WARN L193 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 49 [2020-08-22 19:46:16,403 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 280 DAG size of output: 52 [2020-08-22 19:46:17,072 WARN L193 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 35 [2020-08-22 19:46:17,775 WARN L193 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 35 [2020-08-22 19:46:19,163 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 280 DAG size of output: 52 [2020-08-22 19:46:20,421 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 195 DAG size of output: 51 [2020-08-22 19:46:22,295 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:46:23,383 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 196 DAG size of output: 56 [2020-08-22 19:46:24,607 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 204 DAG size of output: 61 [2020-08-22 19:46:25,719 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 190 DAG size of output: 72 [2020-08-22 19:46:26,521 WARN L193 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 52 [2020-08-22 19:46:27,328 WARN L193 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 67 [2020-08-22 19:46:29,123 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:46:30,857 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:46:32,580 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:46:34,246 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:46:35,983 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:46:37,376 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 212 DAG size of output: 53 [2020-08-22 19:46:38,216 WARN L193 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 48 [2020-08-22 19:46:39,002 WARN L193 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 59 [2020-08-22 19:46:40,719 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:46:41,630 WARN L193 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 63 [2020-08-22 19:46:42,934 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 191 DAG size of output: 67 [2020-08-22 19:46:43,760 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 52 [2020-08-22 19:46:45,385 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:46:47,119 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:46:48,317 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 190 DAG size of output: 77 [2020-08-22 19:46:49,246 WARN L193 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 56 [2020-08-22 19:46:49,981 WARN L193 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 35 [2020-08-22 19:46:51,652 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:46:53,345 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:46:55,036 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:46:55,745 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 35 [2020-08-22 19:46:56,468 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 35 [2020-08-22 19:46:57,148 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 35 [2020-08-22 19:46:58,794 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:46:59,595 WARN L193 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 62 [2020-08-22 19:47:00,870 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 204 DAG size of output: 61 [2020-08-22 19:47:02,237 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 200 DAG size of output: 60 [2020-08-22 19:47:03,184 WARN L193 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 56 [2020-08-22 19:47:04,401 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 193 DAG size of output: 64 [2020-08-22 19:47:05,685 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 229 DAG size of output: 69 [2020-08-22 19:47:06,892 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 199 DAG size of output: 55 [2020-08-22 19:47:07,672 WARN L193 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 60 [2020-08-22 19:47:08,453 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 49 [2020-08-22 19:47:09,374 WARN L193 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 57 [2020-08-22 19:47:10,241 WARN L193 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 54 [2020-08-22 19:47:11,008 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 48 [2020-08-22 19:47:12,648 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:47:13,451 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 35 [2020-08-22 19:47:14,207 WARN L193 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 45 [2020-08-22 19:47:15,554 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 280 DAG size of output: 52 [2020-08-22 19:47:16,301 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 45 [2020-08-22 19:47:17,992 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:47:19,622 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:47:21,222 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:47:21,998 WARN L193 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 45 [2020-08-22 19:47:22,775 WARN L193 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 35 [2020-08-22 19:47:23,538 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 35 [2020-08-22 19:47:24,623 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 191 DAG size of output: 59 [2020-08-22 19:47:26,738 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 225 DAG size of output: 67 [2020-08-22 19:47:28,559 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:47:29,602 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 188 DAG size of output: 54 [2020-08-22 19:47:30,483 WARN L193 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 52 [2020-08-22 19:47:31,857 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 192 DAG size of output: 71 [2020-08-22 19:47:32,706 WARN L193 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 51 [2020-08-22 19:47:34,497 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:47:36,296 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:47:37,274 WARN L193 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 60 [2020-08-22 19:47:38,204 WARN L193 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 56 [2020-08-22 19:47:39,982 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:47:40,909 WARN L193 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 58 [2020-08-22 19:47:42,731 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:47:43,483 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 47 [2020-08-22 19:47:44,472 WARN L193 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 51 [2020-08-22 19:47:45,445 WARN L193 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 51 [2020-08-22 19:47:46,694 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 198 DAG size of output: 62 [2020-08-22 19:47:47,640 WARN L193 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 54 [2020-08-22 19:47:48,622 WARN L193 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 55 [2020-08-22 19:47:50,060 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 236 DAG size of output: 56 [2020-08-22 19:47:50,862 WARN L193 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 53 [2020-08-22 19:47:51,714 WARN L193 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 49 [2020-08-22 19:47:53,573 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:47:54,829 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 191 DAG size of output: 62 [2020-08-22 19:47:56,611 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:47:57,798 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 200 DAG size of output: 63 [2020-08-22 19:47:59,582 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:48:01,339 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:48:02,338 WARN L193 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 56 [2020-08-22 19:48:03,213 WARN L193 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 52 [2020-08-22 19:48:04,907 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:48:05,724 WARN L193 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 51 [2020-08-22 19:48:06,541 WARN L193 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 51 [2020-08-22 19:48:07,584 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 187 DAG size of output: 55 [2020-08-22 19:48:08,494 WARN L193 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 46 [2020-08-22 19:48:09,810 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 209 DAG size of output: 56 [2020-08-22 19:48:11,551 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:48:12,512 WARN L193 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 58 [2020-08-22 19:48:13,337 WARN L193 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 52 [2020-08-22 19:48:14,452 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 189 DAG size of output: 66 [2020-08-22 19:48:16,243 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:48:17,316 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 190 DAG size of output: 56 [2020-08-22 19:48:18,150 WARN L193 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 50 [2020-08-22 19:48:18,694 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 45 [2020-08-22 19:48:20,033 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 209 DAG size of output: 56 [2020-08-22 19:48:21,288 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 188 DAG size of output: 65 [2020-08-22 19:48:22,234 WARN L193 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 56 [2020-08-22 19:48:23,055 WARN L193 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 58 [2020-08-22 19:48:24,028 WARN L193 SmtUtils]: Spent 965.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 51 [2020-08-22 19:48:25,146 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 197 DAG size of output: 56 [2020-08-22 19:48:26,091 WARN L193 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 56 [2020-08-22 19:48:27,540 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 280 DAG size of output: 52 [2020-08-22 19:48:29,404 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:48:30,422 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 188 DAG size of output: 54 [2020-08-22 19:48:31,924 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 200 DAG size of output: 60 [2020-08-22 19:48:33,778 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:48:35,269 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 211 DAG size of output: 54 [2020-08-22 19:48:35,999 WARN L193 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 53 [2020-08-22 19:48:36,961 WARN L193 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 51 [2020-08-22 19:48:37,730 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 53 [2020-08-22 19:48:38,699 WARN L193 SmtUtils]: Spent 961.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 56 [2020-08-22 19:48:39,987 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 212 DAG size of output: 56 [2020-08-22 19:48:41,751 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:48:42,789 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 199 DAG size of output: 57 [2020-08-22 19:48:43,776 WARN L193 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 60 [2020-08-22 19:48:44,852 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 200 DAG size of output: 59 [2020-08-22 19:49:11,729 WARN L193 SmtUtils]: Spent 26.86 s on a formula simplification. DAG size of input: 659 DAG size of output: 226 [2020-08-22 19:49:13,340 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 280 DAG size of output: 52 [2020-08-22 19:49:42,887 WARN L193 SmtUtils]: Spent 29.50 s on a formula simplification. DAG size of input: 659 DAG size of output: 226 [2020-08-22 19:49:44,232 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 188 DAG size of output: 56 [2020-08-22 19:49:45,361 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 203 DAG size of output: 56 [2020-08-22 19:49:47,540 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:49:48,510 WARN L193 SmtUtils]: Spent 961.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 49 [2020-08-22 19:49:49,797 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 193 DAG size of output: 75 [2020-08-22 19:49:50,971 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 187 DAG size of output: 54 [2020-08-22 19:49:53,146 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:49:54,358 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 190 DAG size of output: 57 [2020-08-22 19:49:55,855 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 198 DAG size of output: 55 [2020-08-22 19:49:58,073 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:49:59,453 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 203 DAG size of output: 50 [2020-08-22 19:50:00,686 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 189 DAG size of output: 65 [2020-08-22 19:50:02,139 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 190 DAG size of output: 55 [2020-08-22 19:50:03,255 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 191 DAG size of output: 53 [2020-08-22 19:50:05,438 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-08-22 19:50:06,451 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 190 DAG size of output: 45 [2020-08-22 19:50:07,552 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 191 DAG size of output: 54 [2020-08-22 19:50:09,197 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 196 DAG size of output: 63 [2020-08-22 19:50:10,416 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 184 DAG size of output: 59 [2020-08-22 19:50:12,308 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 204 DAG size of output: 69