/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 --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label03.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 22:22:42,058 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 22:22:42,062 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 22:22:42,106 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-09-04 22:22:42,129 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 22:22:42,130 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 22:22:42,135 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 22:22:42,136 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 22:22:42,137 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 22:22:42,138 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 22:22:42,143 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 22:22:42,146 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 22:22:42,149 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 22:22:42,150 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 22:22:42,152 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 22:22:42,153 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 22:22:42,158 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-04 22:22:42,166 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 22:22:42,167 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 22:22:42,168 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 22:22:42,169 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-09-04 22:22:42,180 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 22:22:42,180 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 22:22:42,182 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 22:22:42,182 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 22:22:42,182 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 22:22:42,182 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 22:22:42,182 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 22:22:42,183 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 22:22:42,183 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 22:22:42,183 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 22:22:42,183 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 22:22:42,184 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 22:22:42,184 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 22:22:42,184 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 22:22:42,184 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 22:22:42,184 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 22:22:42,185 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 22:22:42,185 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 22:22:42,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 22:22:42,185 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 22:22:42,186 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 22:22:42,186 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 22:22:42,186 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-09-04 22:22:42,591 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 22:22:42,607 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 22:22:42,611 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 22:22:42,613 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 22:22:42,613 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 22:22:42,614 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label03.c [2020-09-04 22:22:42,691 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f8995d08a/85f1a216f12f4a72a4ab63b599d15281/FLAG53cf22ab3 [2020-09-04 22:22:43,336 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 22:22:43,336 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label03.c [2020-09-04 22:22:43,351 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f8995d08a/85f1a216f12f4a72a4ab63b599d15281/FLAG53cf22ab3 [2020-09-04 22:22:43,544 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f8995d08a/85f1a216f12f4a72a4ab63b599d15281 [2020-09-04 22:22:43,556 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 22:22:43,558 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 22:22:43,559 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 22:22:43,559 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 22:22:43,563 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 22:22:43,565 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 10:22:43" (1/1) ... [2020-09-04 22:22:43,569 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@763ad0aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:22:43, skipping insertion in model container [2020-09-04 22:22:43,569 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 10:22:43" (1/1) ... [2020-09-04 22:22:43,578 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 22:22:43,632 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 22:22:44,104 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 22:22:44,110 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 22:22:44,323 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 22:22:44,344 INFO L208 MainTranslator]: Completed translation [2020-09-04 22:22:44,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:22:44 WrapperNode [2020-09-04 22:22:44,345 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 22:22:44,346 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 22:22:44,346 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 22:22:44,347 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 22:22:44,361 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:22:44" (1/1) ... [2020-09-04 22:22:44,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:22:44" (1/1) ... [2020-09-04 22:22:44,379 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:22:44" (1/1) ... [2020-09-04 22:22:44,379 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:22:44" (1/1) ... [2020-09-04 22:22:44,417 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:22:44" (1/1) ... [2020-09-04 22:22:44,435 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:22:44" (1/1) ... [2020-09-04 22:22:44,439 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:22:44" (1/1) ... [2020-09-04 22:22:44,446 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 22:22:44,447 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 22:22:44,447 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 22:22:44,447 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 22:22:44,449 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:22:44" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 22:22:44,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 22:22:44,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 22:22:44,528 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-04 22:22:44,528 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 22:22:44,528 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-04 22:22:44,528 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 22:22:44,528 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 22:22:44,528 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-04 22:22:44,529 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 22:22:44,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 22:22:44,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 22:22:45,823 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 22:22:45,824 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-04 22:22:45,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 10:22:45 BoogieIcfgContainer [2020-09-04 22:22:45,837 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 22:22:45,839 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 22:22:45,839 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 22:22:45,843 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 22:22:45,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 10:22:43" (1/3) ... [2020-09-04 22:22:45,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b6fae65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 10:22:45, skipping insertion in model container [2020-09-04 22:22:45,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:22:44" (2/3) ... [2020-09-04 22:22:45,845 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b6fae65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 10:22:45, skipping insertion in model container [2020-09-04 22:22:45,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 10:22:45" (3/3) ... [2020-09-04 22:22:45,847 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label03.c [2020-09-04 22:22:45,859 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 22:22:45,869 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 22:22:45,889 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 22:22:45,916 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 22:22:45,917 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 22:22:45,917 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-04 22:22:45,917 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 22:22:45,917 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 22:22:45,917 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 22:22:45,918 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 22:22:45,918 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 22:22:45,943 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states. [2020-09-04 22:22:45,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-09-04 22:22:45,972 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 22:22:45,973 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 22:22:45,974 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 22:22:45,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 22:22:45,981 INFO L82 PathProgramCache]: Analyzing trace with hash 1547939106, now seen corresponding path program 1 times [2020-09-04 22:22:45,991 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 22:22:45,991 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [946484475] [2020-09-04 22:22:45,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 22:22:46,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:22:46,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 22:22:46,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:22:46,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 22:22:46,685 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [946484475] [2020-09-04 22:22:46,688 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 22:22:46,688 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-04 22:22:46,689 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111566551] [2020-09-04 22:22:46,698 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 22:22:46,699 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 22:22:46,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 22:22:46,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 22:22:46,724 INFO L87 Difference]: Start difference. First operand 527 states. Second operand 5 states. [2020-09-04 22:22:49,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 22:22:49,012 INFO L93 Difference]: Finished difference Result 1205 states and 1651 transitions. [2020-09-04 22:22:49,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-04 22:22:49,014 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 155 [2020-09-04 22:22:49,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 22:22:49,039 INFO L225 Difference]: With dead ends: 1205 [2020-09-04 22:22:49,039 INFO L226 Difference]: Without dead ends: 627 [2020-09-04 22:22:49,052 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-04 22:22:49,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2020-09-04 22:22:49,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 613. [2020-09-04 22:22:49,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 613 states. [2020-09-04 22:22:49,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 774 transitions. [2020-09-04 22:22:49,213 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 774 transitions. Word has length 155 [2020-09-04 22:22:49,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 22:22:49,214 INFO L479 AbstractCegarLoop]: Abstraction has 613 states and 774 transitions. [2020-09-04 22:22:49,214 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 22:22:49,214 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 774 transitions. [2020-09-04 22:22:49,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-09-04 22:22:49,222 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 22:22:49,223 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 22:22:49,223 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 22:22:49,223 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 22:22:49,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 22:22:49,224 INFO L82 PathProgramCache]: Analyzing trace with hash 608489, now seen corresponding path program 1 times [2020-09-04 22:22:49,224 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 22:22:49,225 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [41451022] [2020-09-04 22:22:49,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 22:22:49,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:22:49,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 22:22:49,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:22:49,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 22:22:49,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:22:49,520 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 22:22:49,521 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [41451022] [2020-09-04 22:22:49,521 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 22:22:49,522 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-04 22:22:49,522 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711578686] [2020-09-04 22:22:49,539 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 22:22:49,539 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 22:22:49,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 22:22:49,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-04 22:22:49,540 INFO L87 Difference]: Start difference. First operand 613 states and 774 transitions. Second operand 8 states. [2020-09-04 22:22:51,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 22:22:51,295 INFO L93 Difference]: Finished difference Result 1142 states and 1475 transitions. [2020-09-04 22:22:51,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-04 22:22:51,296 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 181 [2020-09-04 22:22:51,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 22:22:51,307 INFO L225 Difference]: With dead ends: 1142 [2020-09-04 22:22:51,307 INFO L226 Difference]: Without dead ends: 551 [2020-09-04 22:22:51,313 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-09-04 22:22:51,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2020-09-04 22:22:51,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 527. [2020-09-04 22:22:51,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 527 states. [2020-09-04 22:22:51,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 654 transitions. [2020-09-04 22:22:51,398 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 654 transitions. Word has length 181 [2020-09-04 22:22:51,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 22:22:51,399 INFO L479 AbstractCegarLoop]: Abstraction has 527 states and 654 transitions. [2020-09-04 22:22:51,399 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 22:22:51,400 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 654 transitions. [2020-09-04 22:22:51,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-09-04 22:22:51,404 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 22:22:51,405 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 22:22:51,405 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 22:22:51,405 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 22:22:51,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 22:22:51,406 INFO L82 PathProgramCache]: Analyzing trace with hash 372852103, now seen corresponding path program 1 times [2020-09-04 22:22:51,406 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 22:22:51,406 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [363731289] [2020-09-04 22:22:51,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 22:22:51,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:22:51,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 22:22:51,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:22:51,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 22:22:51,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:22:51,742 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 22:22:51,743 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [363731289] [2020-09-04 22:22:51,743 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 22:22:51,743 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-04 22:22:51,744 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270934508] [2020-09-04 22:22:51,744 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 22:22:51,745 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 22:22:51,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 22:22:51,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-04 22:22:51,745 INFO L87 Difference]: Start difference. First operand 527 states and 654 transitions. Second operand 8 states. [2020-09-04 22:22:55,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 22:22:55,622 INFO L93 Difference]: Finished difference Result 2056 states and 2695 transitions. [2020-09-04 22:22:55,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-04 22:22:55,624 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 189 [2020-09-04 22:22:55,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 22:22:55,639 INFO L225 Difference]: With dead ends: 2056 [2020-09-04 22:22:55,640 INFO L226 Difference]: Without dead ends: 1551 [2020-09-04 22:22:55,644 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2020-09-04 22:22:55,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1551 states. [2020-09-04 22:22:55,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1551 to 893. [2020-09-04 22:22:55,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 893 states. [2020-09-04 22:22:55,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 893 states and 1128 transitions. [2020-09-04 22:22:55,798 INFO L78 Accepts]: Start accepts. Automaton has 893 states and 1128 transitions. Word has length 189 [2020-09-04 22:22:55,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 22:22:55,799 INFO L479 AbstractCegarLoop]: Abstraction has 893 states and 1128 transitions. [2020-09-04 22:22:55,799 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 22:22:55,799 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 1128 transitions. [2020-09-04 22:22:55,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-09-04 22:22:55,812 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 22:22:55,813 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 22:22:55,813 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 22:22:55,813 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 22:22:55,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 22:22:55,814 INFO L82 PathProgramCache]: Analyzing trace with hash 835170522, now seen corresponding path program 1 times [2020-09-04 22:22:55,814 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 22:22:55,814 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [480460264] [2020-09-04 22:22:55,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 22:22:55,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:22:56,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 22:22:56,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:22:56,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 22:22:56,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:22:56,130 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 26 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 22:22:56,130 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [480460264] [2020-09-04 22:22:56,130 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 22:22:56,131 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-04 22:22:56,131 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497857988] [2020-09-04 22:22:56,132 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 22:22:56,132 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 22:22:56,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 22:22:56,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 22:22:56,133 INFO L87 Difference]: Start difference. First operand 893 states and 1128 transitions. Second operand 5 states. [2020-09-04 22:22:57,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 22:22:57,799 INFO L93 Difference]: Finished difference Result 2256 states and 2949 transitions. [2020-09-04 22:22:57,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-04 22:22:57,800 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 193 [2020-09-04 22:22:57,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 22:22:57,813 INFO L225 Difference]: With dead ends: 2256 [2020-09-04 22:22:57,814 INFO L226 Difference]: Without dead ends: 1385 [2020-09-04 22:22:57,818 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-04 22:22:57,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1385 states. [2020-09-04 22:22:57,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1385 to 1205. [2020-09-04 22:22:57,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1205 states. [2020-09-04 22:22:57,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 1205 states and 1477 transitions. [2020-09-04 22:22:57,982 INFO L78 Accepts]: Start accepts. Automaton has 1205 states and 1477 transitions. Word has length 193 [2020-09-04 22:22:57,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 22:22:57,983 INFO L479 AbstractCegarLoop]: Abstraction has 1205 states and 1477 transitions. [2020-09-04 22:22:57,983 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 22:22:57,983 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 1477 transitions. [2020-09-04 22:22:57,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-09-04 22:22:57,991 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 22:22:57,992 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 22:22:57,992 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-04 22:22:57,992 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 22:22:57,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 22:22:57,993 INFO L82 PathProgramCache]: Analyzing trace with hash -1504338062, now seen corresponding path program 1 times [2020-09-04 22:22:57,993 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 22:22:57,993 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [33285363] [2020-09-04 22:22:57,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 22:22:58,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:22:58,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 22:22:58,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:22:58,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 22:22:58,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:22:58,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-04 22:22:58,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:22:58,265 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-04 22:22:58,265 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [33285363] [2020-09-04 22:22:58,266 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 22:22:58,266 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-04 22:22:58,266 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62342627] [2020-09-04 22:22:58,267 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-04 22:22:58,267 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 22:22:58,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-04 22:22:58,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-04 22:22:58,268 INFO L87 Difference]: Start difference. First operand 1205 states and 1477 transitions. Second operand 7 states. [2020-09-04 22:23:00,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 22:23:00,424 INFO L93 Difference]: Finished difference Result 3212 states and 4084 transitions. [2020-09-04 22:23:00,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-04 22:23:00,425 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 212 [2020-09-04 22:23:00,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 22:23:00,440 INFO L225 Difference]: With dead ends: 3212 [2020-09-04 22:23:00,440 INFO L226 Difference]: Without dead ends: 2029 [2020-09-04 22:23:00,445 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-04 22:23:00,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2029 states. [2020-09-04 22:23:00,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2029 to 1985. [2020-09-04 22:23:00,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1985 states. [2020-09-04 22:23:00,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1985 states to 1985 states and 2414 transitions. [2020-09-04 22:23:00,724 INFO L78 Accepts]: Start accepts. Automaton has 1985 states and 2414 transitions. Word has length 212 [2020-09-04 22:23:00,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 22:23:00,725 INFO L479 AbstractCegarLoop]: Abstraction has 1985 states and 2414 transitions. [2020-09-04 22:23:00,725 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-04 22:23:00,725 INFO L276 IsEmpty]: Start isEmpty. Operand 1985 states and 2414 transitions. [2020-09-04 22:23:00,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2020-09-04 22:23:00,735 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 22:23:00,735 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 22:23:00,736 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-04 22:23:00,736 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 22:23:00,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 22:23:00,736 INFO L82 PathProgramCache]: Analyzing trace with hash 1937382542, now seen corresponding path program 1 times [2020-09-04 22:23:00,737 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 22:23:00,737 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [720201128] [2020-09-04 22:23:00,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 22:23:00,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:23:00,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 22:23:00,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:23:00,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 22:23:00,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:23:00,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 22:23:00,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:23:00,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 22:23:00,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:23:01,088 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 109 proven. 16 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-09-04 22:23:01,088 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [720201128] [2020-09-04 22:23:01,089 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 22:23:01,089 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-04 22:23:01,089 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348117335] [2020-09-04 22:23:01,090 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 22:23:01,090 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 22:23:01,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 22:23:01,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-09-04 22:23:01,091 INFO L87 Difference]: Start difference. First operand 1985 states and 2414 transitions. Second operand 10 states. [2020-09-04 22:23:06,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 22:23:06,529 INFO L93 Difference]: Finished difference Result 4908 states and 6177 transitions. [2020-09-04 22:23:06,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-04 22:23:06,534 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 251 [2020-09-04 22:23:06,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 22:23:06,552 INFO L225 Difference]: With dead ends: 4908 [2020-09-04 22:23:06,553 INFO L226 Difference]: Without dead ends: 2594 [2020-09-04 22:23:06,560 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=136, Invalid=464, Unknown=0, NotChecked=0, Total=600 [2020-09-04 22:23:06,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2594 states. [2020-09-04 22:23:06,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2594 to 2403. [2020-09-04 22:23:06,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2403 states. [2020-09-04 22:23:06,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2403 states to 2403 states and 2907 transitions. [2020-09-04 22:23:06,946 INFO L78 Accepts]: Start accepts. Automaton has 2403 states and 2907 transitions. Word has length 251 [2020-09-04 22:23:06,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 22:23:06,947 INFO L479 AbstractCegarLoop]: Abstraction has 2403 states and 2907 transitions. [2020-09-04 22:23:06,947 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 22:23:06,947 INFO L276 IsEmpty]: Start isEmpty. Operand 2403 states and 2907 transitions. [2020-09-04 22:23:06,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2020-09-04 22:23:06,958 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 22:23:06,958 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 22:23:06,958 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-04 22:23:06,958 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 22:23:06,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 22:23:06,959 INFO L82 PathProgramCache]: Analyzing trace with hash -248213104, now seen corresponding path program 1 times [2020-09-04 22:23:06,959 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 22:23:06,959 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1939512482] [2020-09-04 22:23:06,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 22:23:06,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:23:07,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 22:23:07,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:23:07,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 22:23:07,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:23:07,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-04 22:23:07,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:23:07,379 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 88 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-04 22:23:07,379 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1939512482] [2020-09-04 22:23:07,380 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 22:23:07,380 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-04 22:23:07,380 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716425539] [2020-09-04 22:23:07,381 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 22:23:07,381 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 22:23:07,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 22:23:07,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-09-04 22:23:07,382 INFO L87 Difference]: Start difference. First operand 2403 states and 2907 transitions. Second operand 10 states. [2020-09-04 22:23:08,369 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2020-09-04 22:23:11,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 22:23:11,393 INFO L93 Difference]: Finished difference Result 5931 states and 7335 transitions. [2020-09-04 22:23:11,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-04 22:23:11,394 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 256 [2020-09-04 22:23:11,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 22:23:11,422 INFO L225 Difference]: With dead ends: 5931 [2020-09-04 22:23:11,422 INFO L226 Difference]: Without dead ends: 3700 [2020-09-04 22:23:11,432 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2020-09-04 22:23:11,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3700 states. [2020-09-04 22:23:11,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3700 to 3506. [2020-09-04 22:23:11,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3506 states. [2020-09-04 22:23:11,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3506 states to 3506 states and 4202 transitions. [2020-09-04 22:23:11,905 INFO L78 Accepts]: Start accepts. Automaton has 3506 states and 4202 transitions. Word has length 256 [2020-09-04 22:23:11,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 22:23:11,906 INFO L479 AbstractCegarLoop]: Abstraction has 3506 states and 4202 transitions. [2020-09-04 22:23:11,906 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 22:23:11,906 INFO L276 IsEmpty]: Start isEmpty. Operand 3506 states and 4202 transitions. [2020-09-04 22:23:11,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2020-09-04 22:23:11,919 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 22:23:11,920 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 22:23:11,920 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-04 22:23:11,920 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 22:23:11,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 22:23:11,921 INFO L82 PathProgramCache]: Analyzing trace with hash -1102446521, now seen corresponding path program 1 times [2020-09-04 22:23:11,921 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 22:23:11,921 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1734445520] [2020-09-04 22:23:11,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 22:23:11,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:23:12,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 22:23:12,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:23:12,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 22:23:12,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:23:12,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 22:23:12,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:23:12,280 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 103 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-04 22:23:12,280 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1734445520] [2020-09-04 22:23:12,280 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 22:23:12,281 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-04 22:23:12,281 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4762443] [2020-09-04 22:23:12,282 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-04 22:23:12,282 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 22:23:12,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-04 22:23:12,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-09-04 22:23:12,282 INFO L87 Difference]: Start difference. First operand 3506 states and 4202 transitions. Second operand 9 states. [2020-09-04 22:23:16,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 22:23:16,418 INFO L93 Difference]: Finished difference Result 7651 states and 9226 transitions. [2020-09-04 22:23:16,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-04 22:23:16,418 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 261 [2020-09-04 22:23:16,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 22:23:16,443 INFO L225 Difference]: With dead ends: 7651 [2020-09-04 22:23:16,443 INFO L226 Difference]: Without dead ends: 4153 [2020-09-04 22:23:16,453 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=94, Invalid=286, Unknown=0, NotChecked=0, Total=380 [2020-09-04 22:23:16,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4153 states. [2020-09-04 22:23:16,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4153 to 3986. [2020-09-04 22:23:16,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3986 states. [2020-09-04 22:23:16,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3986 states to 3986 states and 4622 transitions. [2020-09-04 22:23:16,947 INFO L78 Accepts]: Start accepts. Automaton has 3986 states and 4622 transitions. Word has length 261 [2020-09-04 22:23:16,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 22:23:16,947 INFO L479 AbstractCegarLoop]: Abstraction has 3986 states and 4622 transitions. [2020-09-04 22:23:16,948 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-04 22:23:16,948 INFO L276 IsEmpty]: Start isEmpty. Operand 3986 states and 4622 transitions. [2020-09-04 22:23:16,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2020-09-04 22:23:16,958 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 22:23:16,959 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 22:23:16,959 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-04 22:23:16,959 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 22:23:16,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 22:23:16,960 INFO L82 PathProgramCache]: Analyzing trace with hash 38128306, now seen corresponding path program 1 times [2020-09-04 22:23:16,960 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 22:23:16,960 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [595541966] [2020-09-04 22:23:16,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 22:23:16,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:23:17,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 22:23:17,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:23:17,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 22:23:17,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:23:17,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-04 22:23:17,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:23:17,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-04 22:23:17,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:23:17,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-09-04 22:23:17,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:23:17,237 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 122 proven. 43 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2020-09-04 22:23:17,237 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [595541966] [2020-09-04 22:23:17,238 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 22:23:17,238 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-04 22:23:17,239 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278814163] [2020-09-04 22:23:17,240 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 22:23:17,240 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 22:23:17,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 22:23:17,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-04 22:23:17,241 INFO L87 Difference]: Start difference. First operand 3986 states and 4622 transitions. Second operand 8 states. [2020-09-04 22:23:19,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 22:23:19,384 INFO L93 Difference]: Finished difference Result 7141 states and 8272 transitions. [2020-09-04 22:23:19,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-04 22:23:19,385 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 279 [2020-09-04 22:23:19,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 22:23:19,401 INFO L225 Difference]: With dead ends: 7141 [2020-09-04 22:23:19,402 INFO L226 Difference]: Without dead ends: 3327 [2020-09-04 22:23:19,410 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-09-04 22:23:19,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3327 states. [2020-09-04 22:23:19,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3327 to 3171. [2020-09-04 22:23:19,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3171 states. [2020-09-04 22:23:19,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3171 states to 3171 states and 3534 transitions. [2020-09-04 22:23:19,768 INFO L78 Accepts]: Start accepts. Automaton has 3171 states and 3534 transitions. Word has length 279 [2020-09-04 22:23:19,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 22:23:19,769 INFO L479 AbstractCegarLoop]: Abstraction has 3171 states and 3534 transitions. [2020-09-04 22:23:19,769 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 22:23:19,769 INFO L276 IsEmpty]: Start isEmpty. Operand 3171 states and 3534 transitions. [2020-09-04 22:23:19,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2020-09-04 22:23:19,776 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 22:23:19,777 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 22:23:19,777 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-04 22:23:19,777 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 22:23:19,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 22:23:19,778 INFO L82 PathProgramCache]: Analyzing trace with hash -432808293, now seen corresponding path program 1 times [2020-09-04 22:23:19,778 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 22:23:19,778 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [249498426] [2020-09-04 22:23:19,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 22:23:19,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:23:19,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 22:23:20,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:23:20,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 22:23:20,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:23:20,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-04 22:23:20,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:23:20,544 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 104 proven. 16 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-09-04 22:23:20,545 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [249498426] [2020-09-04 22:23:20,545 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 22:23:20,545 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-04 22:23:20,545 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001542107] [2020-09-04 22:23:20,546 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-04 22:23:20,546 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 22:23:20,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-04 22:23:20,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2020-09-04 22:23:20,547 INFO L87 Difference]: Start difference. First operand 3171 states and 3534 transitions. Second operand 13 states. [2020-09-04 22:23:24,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 22:23:24,892 INFO L93 Difference]: Finished difference Result 7018 states and 7877 transitions. [2020-09-04 22:23:24,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-04 22:23:24,893 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 282 [2020-09-04 22:23:24,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 22:23:24,910 INFO L225 Difference]: With dead ends: 7018 [2020-09-04 22:23:24,911 INFO L226 Difference]: Without dead ends: 3100 [2020-09-04 22:23:24,919 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-09-04 22:23:24,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3100 states. [2020-09-04 22:23:25,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3100 to 2948. [2020-09-04 22:23:25,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2948 states. [2020-09-04 22:23:25,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2948 states to 2948 states and 3257 transitions. [2020-09-04 22:23:25,259 INFO L78 Accepts]: Start accepts. Automaton has 2948 states and 3257 transitions. Word has length 282 [2020-09-04 22:23:25,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 22:23:25,260 INFO L479 AbstractCegarLoop]: Abstraction has 2948 states and 3257 transitions. [2020-09-04 22:23:25,260 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-04 22:23:25,260 INFO L276 IsEmpty]: Start isEmpty. Operand 2948 states and 3257 transitions. [2020-09-04 22:23:25,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2020-09-04 22:23:25,265 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 22:23:25,266 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 22:23:25,266 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-04 22:23:25,266 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 22:23:25,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 22:23:25,266 INFO L82 PathProgramCache]: Analyzing trace with hash 1435439267, now seen corresponding path program 1 times [2020-09-04 22:23:25,267 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 22:23:25,267 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [782178478] [2020-09-04 22:23:25,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 22:23:25,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:23:25,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 22:23:25,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:23:25,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 22:23:25,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:23:25,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-09-04 22:23:25,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:23:25,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-04 22:23:25,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:23:25,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-09-04 22:23:25,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:23:25,690 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 217 proven. 18 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-09-04 22:23:25,690 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [782178478] [2020-09-04 22:23:25,690 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 22:23:25,691 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-04 22:23:25,691 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674326844] [2020-09-04 22:23:25,692 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-04 22:23:25,692 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 22:23:25,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-04 22:23:25,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-04 22:23:25,693 INFO L87 Difference]: Start difference. First operand 2948 states and 3257 transitions. Second operand 7 states. [2020-09-04 22:23:27,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 22:23:27,623 INFO L93 Difference]: Finished difference Result 5879 states and 6518 transitions. [2020-09-04 22:23:27,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-04 22:23:27,624 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 335 [2020-09-04 22:23:27,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 22:23:27,634 INFO L225 Difference]: With dead ends: 5879 [2020-09-04 22:23:27,634 INFO L226 Difference]: Without dead ends: 2091 [2020-09-04 22:23:27,643 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-04 22:23:27,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2091 states. [2020-09-04 22:23:28,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2091 to 2085. [2020-09-04 22:23:28,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2085 states. [2020-09-04 22:23:28,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2085 states to 2085 states and 2224 transitions. [2020-09-04 22:23:28,184 INFO L78 Accepts]: Start accepts. Automaton has 2085 states and 2224 transitions. Word has length 335 [2020-09-04 22:23:28,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 22:23:28,185 INFO L479 AbstractCegarLoop]: Abstraction has 2085 states and 2224 transitions. [2020-09-04 22:23:28,185 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-04 22:23:28,185 INFO L276 IsEmpty]: Start isEmpty. Operand 2085 states and 2224 transitions. [2020-09-04 22:23:28,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2020-09-04 22:23:28,189 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 22:23:28,189 INFO L422 BasicCegarLoop]: trace histogram [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, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 22:23:28,189 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-04 22:23:28,189 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 22:23:28,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 22:23:28,190 INFO L82 PathProgramCache]: Analyzing trace with hash -1121853682, now seen corresponding path program 1 times [2020-09-04 22:23:28,190 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 22:23:28,190 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [950759022] [2020-09-04 22:23:28,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 22:23:28,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:23:28,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 22:23:28,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:23:28,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 22:23:28,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:23:28,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-04 22:23:28,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:23:28,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-04 22:23:28,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:23:28,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-04 22:23:28,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:23:28,523 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 221 proven. 45 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-09-04 22:23:28,523 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [950759022] [2020-09-04 22:23:28,523 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 22:23:28,524 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-04 22:23:28,524 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884023839] [2020-09-04 22:23:28,524 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-04 22:23:28,525 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 22:23:28,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-04 22:23:28,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-04 22:23:28,525 INFO L87 Difference]: Start difference. First operand 2085 states and 2224 transitions. Second operand 7 states. [2020-09-04 22:23:30,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 22:23:30,748 INFO L93 Difference]: Finished difference Result 4160 states and 4441 transitions. [2020-09-04 22:23:30,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-04 22:23:30,749 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 353 [2020-09-04 22:23:30,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 22:23:30,756 INFO L225 Difference]: With dead ends: 4160 [2020-09-04 22:23:30,756 INFO L226 Difference]: Without dead ends: 1906 [2020-09-04 22:23:30,759 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-04 22:23:30,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1906 states. [2020-09-04 22:23:31,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1906 to 1751. [2020-09-04 22:23:31,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1751 states. [2020-09-04 22:23:31,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1751 states to 1751 states and 1831 transitions. [2020-09-04 22:23:31,560 INFO L78 Accepts]: Start accepts. Automaton has 1751 states and 1831 transitions. Word has length 353 [2020-09-04 22:23:31,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 22:23:31,561 INFO L479 AbstractCegarLoop]: Abstraction has 1751 states and 1831 transitions. [2020-09-04 22:23:31,561 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-04 22:23:31,561 INFO L276 IsEmpty]: Start isEmpty. Operand 1751 states and 1831 transitions. [2020-09-04 22:23:31,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2020-09-04 22:23:31,566 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 22:23:31,566 INFO L422 BasicCegarLoop]: trace histogram [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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 22:23:31,566 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-04 22:23:31,567 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 22:23:31,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 22:23:31,567 INFO L82 PathProgramCache]: Analyzing trace with hash -1869953008, now seen corresponding path program 1 times [2020-09-04 22:23:31,567 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 22:23:31,568 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1423920975] [2020-09-04 22:23:31,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 22:23:31,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:23:31,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 22:23:31,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:23:31,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 22:23:31,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:23:31,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 22:23:31,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:23:31,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-04 22:23:31,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:23:31,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-09-04 22:23:31,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:23:31,936 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 276 proven. 23 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2020-09-04 22:23:31,936 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1423920975] [2020-09-04 22:23:31,936 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 22:23:31,937 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-04 22:23:31,937 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397710976] [2020-09-04 22:23:31,937 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 22:23:31,938 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 22:23:31,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 22:23:31,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-09-04 22:23:31,938 INFO L87 Difference]: Start difference. First operand 1751 states and 1831 transitions. Second operand 10 states. [2020-09-04 22:23:33,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 22:23:33,896 INFO L93 Difference]: Finished difference Result 2553 states and 2674 transitions. [2020-09-04 22:23:33,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-04 22:23:33,897 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 369 [2020-09-04 22:23:33,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 22:23:33,898 INFO L225 Difference]: With dead ends: 2553 [2020-09-04 22:23:33,898 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 22:23:33,903 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=109, Invalid=271, Unknown=0, NotChecked=0, Total=380 [2020-09-04 22:23:33,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 22:23:33,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 22:23:33,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 22:23:33,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 22:23:33,904 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 369 [2020-09-04 22:23:33,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 22:23:33,904 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 22:23:33,904 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 22:23:33,904 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 22:23:33,905 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 22:23:33,905 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-04 22:23:33,907 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 22:23:55,220 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 122 [2020-09-04 22:23:55,542 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2020-09-04 22:23:55,659 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2020-09-04 22:23:55,764 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2020-09-04 22:24:02,736 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 76 [2020-09-04 22:24:02,845 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2020-09-04 22:24:02,975 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 76 [2020-09-04 22:24:03,090 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 76 [2020-09-04 22:24:03,208 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 76 [2020-09-04 22:24:03,328 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 76 [2020-09-04 22:24:03,440 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2020-09-04 22:24:03,555 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 76 [2020-09-04 22:24:03,664 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2020-09-04 22:24:03,778 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 76 [2020-09-04 22:24:03,894 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 76 [2020-09-04 22:24:04,023 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 76 [2020-09-04 22:24:04,139 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 76 [2020-09-04 22:24:04,247 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2020-09-04 22:24:04,368 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 76 [2020-09-04 22:24:04,483 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 76 [2020-09-04 22:24:04,603 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 76 [2020-09-04 22:24:04,721 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 76 [2020-09-04 22:24:04,841 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 76 [2020-09-04 22:24:04,961 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 73 [2020-09-04 22:24:08,084 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 122 [2020-09-04 22:24:08,490 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 122 [2020-09-04 22:24:08,886 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 122 [2020-09-04 22:24:29,866 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2020-09-04 22:24:32,888 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 74 [2020-09-04 22:24:32,998 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 74 [2020-09-04 22:24:54,010 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 122 [2020-09-04 22:25:09,567 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 122 [2020-09-04 22:25:51,603 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 72 [2020-09-04 22:25:51,720 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 72 [2020-09-04 22:25:51,825 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 72 [2020-09-04 22:25:51,946 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 72 [2020-09-04 22:26:54,461 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 76 [2020-09-04 22:27:02,737 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 71 [2020-09-04 22:27:02,918 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 80 [2020-09-04 22:27:03,035 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 78 [2020-09-04 22:27:03,141 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 71 [2020-09-04 22:27:03,248 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 71 [2020-09-04 22:27:03,365 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 78 [2020-09-04 22:27:03,482 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 78 [2020-09-04 22:27:03,586 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 71 [2020-09-04 22:27:03,704 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 78 [2020-09-04 22:27:03,810 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 71 [2020-09-04 22:27:03,924 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 73 [2020-09-04 22:27:04,041 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 78 [2020-09-04 22:27:04,150 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 71 [2020-09-04 22:27:04,259 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 71 [2020-09-04 22:27:38,376 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 114 [2020-09-04 22:27:39,135 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 105 [2020-09-04 22:27:39,477 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 91 [2020-09-04 22:27:39,729 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 107 [2020-09-04 22:27:39,935 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 110 [2020-09-04 22:27:40,267 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 108 [2020-09-04 22:27:40,666 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 106 [2020-09-04 22:27:40,977 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 125 [2020-09-04 22:27:41,201 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 121 [2020-09-04 22:27:41,325 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 105 [2020-09-04 22:27:41,549 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 120 [2020-09-04 22:27:41,831 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 108 [2020-09-04 22:27:42,405 WARN L193 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 144 [2020-09-04 22:27:42,621 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 101 [2020-09-04 22:27:42,771 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 103 [2020-09-04 22:27:42,991 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 105 [2020-09-04 22:27:43,562 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 105 [2020-09-04 22:27:43,669 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2020-09-04 22:27:44,103 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 107 [2020-09-04 22:27:44,317 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 82 [2020-09-04 22:27:44,515 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 93 [2020-09-04 22:27:44,753 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 105 [2020-09-04 22:27:45,075 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 118 [2020-09-04 22:27:45,326 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 118 [2020-09-04 22:27:45,545 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 108 [2020-09-04 22:27:45,734 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 108 [2020-09-04 22:27:45,875 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 76 [2020-09-04 22:27:46,150 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 97 [2020-09-04 22:27:46,446 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 85 [2020-09-04 22:27:46,856 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 114 [2020-09-04 22:27:47,656 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 105 [2020-09-04 22:27:47,998 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 91 [2020-09-04 22:27:48,251 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 107 [2020-09-04 22:27:48,453 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 110 [2020-09-04 22:27:48,784 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 108 [2020-09-04 22:27:49,183 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 106 [2020-09-04 22:27:49,493 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 125 [2020-09-04 22:27:49,717 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 121 [2020-09-04 22:27:49,842 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 105 [2020-09-04 22:27:50,066 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 120 [2020-09-04 22:27:50,350 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 108 [2020-09-04 22:27:50,922 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 144 [2020-09-04 22:27:51,138 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 101 [2020-09-04 22:27:51,285 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 103 [2020-09-04 22:27:51,501 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 105 [2020-09-04 22:27:52,072 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 105 [2020-09-04 22:27:52,180 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2020-09-04 22:27:52,615 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 107 [2020-09-04 22:27:52,830 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 82 [2020-09-04 22:27:53,025 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 98 [2020-09-04 22:27:53,262 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 105 [2020-09-04 22:27:53,581 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 118 [2020-09-04 22:27:53,833 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 118 [2020-09-04 22:27:54,052 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 108 [2020-09-04 22:27:54,241 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 108 [2020-09-04 22:27:54,383 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 76 [2020-09-04 22:27:54,658 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 97 [2020-09-04 22:27:54,951 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 85 [2020-09-04 22:29:15,377 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 122 [2020-09-04 22:29:16,961 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 122 [2020-09-04 22:29:17,266 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 122 [2020-09-04 22:29:17,569 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 122 [2020-09-04 22:29:18,164 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 68 [2020-09-04 22:29:19,911 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 184 DAG size of output: 80 [2020-09-04 22:29:21,634 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 184 DAG size of output: 80 [2020-09-04 22:29:23,459 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:29:25,177 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 184 DAG size of output: 80 [2020-09-04 22:29:25,740 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 68 [2020-09-04 22:29:26,323 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 68 [2020-09-04 22:29:26,904 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 68 [2020-09-04 22:29:28,622 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 184 DAG size of output: 80 [2020-09-04 22:29:29,220 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 68 [2020-09-04 22:29:30,959 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 184 DAG size of output: 80 [2020-09-04 22:29:32,771 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:29:34,577 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:29:35,218 WARN L193 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 73 [2020-09-04 22:29:37,029 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:29:37,677 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 70 [2020-09-04 22:29:38,186 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:29:38,697 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:29:39,332 WARN L193 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 70 [2020-09-04 22:29:41,164 WARN L193 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:29:41,672 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:29:43,498 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:29:44,098 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 70 [2020-09-04 22:29:44,683 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 56 [2020-09-04 22:29:45,261 WARN L193 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 64 [2020-09-04 22:29:46,155 WARN L193 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 74 [2020-09-04 22:29:46,748 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 68 [2020-09-04 22:29:47,359 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 68 [2020-09-04 22:29:49,091 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 184 DAG size of output: 80 [2020-09-04 22:29:49,684 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 68 [2020-09-04 22:29:50,580 WARN L193 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 72 [2020-09-04 22:29:52,419 WARN L193 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:29:52,926 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:29:53,504 WARN L193 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 68 [2020-09-04 22:29:54,123 WARN L193 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 67 [2020-09-04 22:29:54,904 WARN L193 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 69 [2020-09-04 22:29:55,509 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 68 [2020-09-04 22:29:56,024 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:29:56,638 WARN L193 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 70 [2020-09-04 22:29:57,150 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:29:58,090 WARN L193 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 71 [2020-09-04 22:29:58,915 WARN L193 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 70 [2020-09-04 22:30:00,748 WARN L193 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:30:01,267 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:30:02,298 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 149 DAG size of output: 76 [2020-09-04 22:30:02,889 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 56 [2020-09-04 22:30:03,442 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:30:04,025 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 56 [2020-09-04 22:30:04,862 WARN L193 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 69 [2020-09-04 22:30:05,447 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 56 [2020-09-04 22:30:05,965 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:30:06,620 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 71 [2020-09-04 22:30:07,139 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:30:08,996 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:30:09,554 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:30:10,127 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 70 [2020-09-04 22:30:10,700 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 64 [2020-09-04 22:30:12,544 WARN L193 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:30:14,399 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:30:15,005 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 70 [2020-09-04 22:30:15,568 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 67 [2020-09-04 22:30:16,186 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 70 [2020-09-04 22:30:16,709 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:30:17,626 WARN L193 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 73 [2020-09-04 22:30:18,152 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:30:18,768 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 68 [2020-09-04 22:30:19,386 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 68 [2020-09-04 22:30:20,257 WARN L193 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 73 [2020-09-04 22:30:20,798 WARN L193 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:30:21,500 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 71 [2020-09-04 22:30:23,276 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 184 DAG size of output: 80 [2020-09-04 22:30:25,066 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 184 DAG size of output: 80 [2020-09-04 22:30:26,960 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:30:28,773 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 184 DAG size of output: 80 [2020-09-04 22:30:29,439 WARN L193 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 68 [2020-09-04 22:30:30,100 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 68 [2020-09-04 22:30:30,854 WARN L193 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 71 [2020-09-04 22:30:32,755 WARN L193 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 184 DAG size of output: 80 [2020-09-04 22:30:34,020 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 149 DAG size of output: 76 [2020-09-04 22:30:34,684 WARN L193 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 69 [2020-09-04 22:30:36,707 WARN L193 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:30:37,606 WARN L193 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 72 [2020-09-04 22:30:38,277 WARN L193 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 68 [2020-09-04 22:30:38,847 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:30:39,426 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 57 [2020-09-04 22:30:39,986 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:30:40,657 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 69 [2020-09-04 22:30:41,212 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:30:41,779 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:30:42,351 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:30:43,025 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 69 [2020-09-04 22:30:45,055 WARN L193 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:30:47,081 WARN L193 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:30:47,712 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 66 [2020-09-04 22:30:49,676 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:30:50,313 WARN L193 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 66 [2020-09-04 22:30:51,212 WARN L193 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 72 [2020-09-04 22:30:51,921 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 73 [2020-09-04 22:30:53,890 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:30:55,862 WARN L193 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:30:56,622 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 71 [2020-09-04 22:30:57,167 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:30:59,086 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:30:59,726 WARN L193 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 70 [2020-09-04 22:31:00,391 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 68 [2020-09-04 22:31:02,248 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 184 DAG size of output: 80 [2020-09-04 22:31:04,098 WARN L193 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 184 DAG size of output: 80 [2020-09-04 22:31:06,028 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 184 DAG size of output: 80 [2020-09-04 22:31:06,760 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 71 [2020-09-04 22:31:07,322 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:31:07,866 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:31:08,417 WARN L193 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:31:09,076 WARN L193 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 71 [2020-09-04 22:31:09,713 WARN L193 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 67 [2020-09-04 22:31:10,281 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 57 [2020-09-04 22:31:11,201 WARN L193 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 72 [2020-09-04 22:31:12,369 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 149 DAG size of output: 76 [2020-09-04 22:31:13,024 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 56 [2020-09-04 22:31:13,690 WARN L193 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 69 [2020-09-04 22:31:14,263 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:31:16,275 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:31:16,912 WARN L193 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 68 [2020-09-04 22:31:18,933 WARN L193 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:31:19,505 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:31:20,086 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:31:20,655 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:31:21,412 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 71 [2020-09-04 22:31:22,073 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 68 [2020-09-04 22:31:23,996 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 184 DAG size of output: 80 [2020-09-04 22:31:24,658 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 68 [2020-09-04 22:31:26,585 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 184 DAG size of output: 80 [2020-09-04 22:31:27,498 WARN L193 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 70 [2020-09-04 22:31:29,515 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:31:30,089 WARN L193 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:31:31,083 WARN L193 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 70 [2020-09-04 22:31:33,130 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:31:35,155 WARN L193 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:31:35,835 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 68 [2020-09-04 22:31:36,458 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 68 [2020-09-04 22:31:37,038 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:31:37,615 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:31:39,636 WARN L193 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:31:40,218 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:31:40,803 WARN L193 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:31:41,451 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 56 [2020-09-04 22:31:42,033 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:31:42,931 WARN L193 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 69 [2020-09-04 22:31:43,566 WARN L193 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 67 [2020-09-04 22:31:44,417 WARN L193 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 73 [2020-09-04 22:31:46,469 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:31:48,509 WARN L193 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:31:49,522 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 123 DAG size of output: 73 [2020-09-04 22:31:51,564 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:31:52,593 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2020-09-04 22:31:53,173 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:31:53,828 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 67 [2020-09-04 22:31:55,869 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:31:56,539 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 68 [2020-09-04 22:31:58,505 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 184 DAG size of output: 80 [2020-09-04 22:32:00,447 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 184 DAG size of output: 80 [2020-09-04 22:32:01,123 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 68 [2020-09-04 22:32:01,903 WARN L193 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 71 [2020-09-04 22:32:02,605 WARN L193 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 66 [2020-09-04 22:32:03,458 WARN L193 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 74 [2020-09-04 22:32:04,041 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:32:04,628 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:32:06,574 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 184 DAG size of output: 80 [2020-09-04 22:32:07,269 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 69 [2020-09-04 22:32:07,856 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:32:08,547 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 70 [2020-09-04 22:32:10,503 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 184 DAG size of output: 80 [2020-09-04 22:32:11,464 WARN L193 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 76 [2020-09-04 22:32:12,241 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 71 [2020-09-04 22:32:13,014 WARN L193 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 71 [2020-09-04 22:32:13,697 WARN L193 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 68 [2020-09-04 22:32:15,657 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 184 DAG size of output: 80 [2020-09-04 22:32:16,343 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 68 [2020-09-04 22:32:17,028 WARN L193 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 68 [2020-09-04 22:32:19,005 WARN L193 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 184 DAG size of output: 80 [2020-09-04 22:32:19,689 WARN L193 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 68 [2020-09-04 22:32:21,666 WARN L193 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 184 DAG size of output: 80 [2020-09-04 22:32:23,649 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 184 DAG size of output: 80 [2020-09-04 22:32:24,344 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 68 [2020-09-04 22:32:24,934 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:32:25,531 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:32:26,184 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 69 [2020-09-04 22:32:26,904 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 69 [2020-09-04 22:32:27,498 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:32:28,084 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:32:28,781 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 69 [2020-09-04 22:32:29,477 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 69 [2020-09-04 22:32:31,447 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 184 DAG size of output: 80 [2020-09-04 22:32:32,344 WARN L193 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 79 [2020-09-04 22:32:34,424 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:32:36,513 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:32:38,501 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 184 DAG size of output: 80 [2020-09-04 22:32:39,197 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 68 [2020-09-04 22:32:39,837 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:32:40,430 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:32:41,031 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:32:41,726 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 69 [2020-09-04 22:32:42,480 WARN L193 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 69 [2020-09-04 22:32:43,082 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:32:45,169 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:32:46,219 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 120 DAG size of output: 70 [2020-09-04 22:32:48,328 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:32:49,028 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 68 [2020-09-04 22:32:50,016 WARN L193 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 71 [2020-09-04 22:32:52,094 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:32:53,030 WARN L193 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 70 [2020-09-04 22:32:53,718 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 68 [2020-09-04 22:32:54,323 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:32:55,669 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 153 DAG size of output: 75 [2020-09-04 22:32:57,763 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:32:58,578 WARN L193 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 69 [2020-09-04 22:32:59,520 WARN L193 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 70 [2020-09-04 22:33:00,202 WARN L193 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 67 [2020-09-04 22:33:00,895 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 69 [2020-09-04 22:33:01,587 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 69 [2020-09-04 22:33:02,256 WARN L193 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 70 [2020-09-04 22:33:04,370 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:33:05,285 WARN L193 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 69 [2020-09-04 22:33:07,406 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:33:09,519 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:33:10,240 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 67 [2020-09-04 22:33:11,257 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 130 DAG size of output: 87 [2020-09-04 22:33:11,861 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:33:13,179 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 149 DAG size of output: 76 [2020-09-04 22:33:14,254 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 146 DAG size of output: 77 [2020-09-04 22:33:15,078 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 77 [2020-09-04 22:33:15,682 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:33:16,394 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 71 [2020-09-04 22:33:17,312 WARN L193 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 69 [2020-09-04 22:33:19,439 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:33:20,046 WARN L193 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:33:20,732 WARN L193 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 68 [2020-09-04 22:33:21,913 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 153 DAG size of output: 74 [2020-09-04 22:33:24,029 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:33:26,042 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 184 DAG size of output: 80 [2020-09-04 22:33:26,852 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 71 [2020-09-04 22:33:27,587 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 68 [2020-09-04 22:33:28,288 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 68 [2020-09-04 22:33:30,331 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 184 DAG size of output: 80 [2020-09-04 22:33:31,048 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 68 [2020-09-04 22:33:33,085 WARN L193 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 184 DAG size of output: 80 [2020-09-04 22:33:35,129 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 184 DAG size of output: 80 [2020-09-04 22:33:35,836 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 68 [2020-09-04 22:33:37,988 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:33:40,130 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:33:40,752 WARN L193 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:33:41,372 WARN L193 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:33:41,988 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:33:42,604 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:33:43,221 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:33:45,360 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:33:46,083 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 68 [2020-09-04 22:33:46,786 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 69 [2020-09-04 22:33:47,534 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 69 [2020-09-04 22:33:48,454 WARN L193 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 76 [2020-09-04 22:33:50,522 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 184 DAG size of output: 80 [2020-09-04 22:33:52,679 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:33:53,597 WARN L193 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 76 [2020-09-04 22:33:54,290 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 68 [2020-09-04 22:33:55,502 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 150 DAG size of output: 75 [2020-09-04 22:33:56,204 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 69 [2020-09-04 22:33:57,214 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 122 DAG size of output: 75 [2020-09-04 22:33:57,909 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:33:58,573 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 67 [2020-09-04 22:34:00,750 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:34:01,375 WARN L193 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:34:03,534 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:34:05,694 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:34:06,645 WARN L193 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 73 [2020-09-04 22:34:07,264 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:34:08,465 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 153 DAG size of output: 74 [2020-09-04 22:34:10,519 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 184 DAG size of output: 80 [2020-09-04 22:34:11,199 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 65 [2020-09-04 22:34:13,367 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:34:14,353 WARN L193 SmtUtils]: Spent 982.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 72 [2020-09-04 22:34:14,976 WARN L193 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:34:15,978 WARN L193 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 69 [2020-09-04 22:34:18,149 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:34:19,162 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 150 DAG size of output: 76 [2020-09-04 22:34:19,883 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 69 [2020-09-04 22:34:22,061 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:34:22,683 WARN L193 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:34:23,373 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 67 [2020-09-04 22:34:24,153 WARN L193 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 70 [2020-09-04 22:34:26,344 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:34:28,527 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:34:30,719 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:34:31,351 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:34:32,056 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 66 [2020-09-04 22:34:34,262 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:34:35,246 WARN L193 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 78 [2020-09-04 22:34:35,882 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:34:38,079 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:34:38,712 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:34:40,920 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:34:42,001 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 151 DAG size of output: 69 [2020-09-04 22:34:42,637 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:34:43,265 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:34:43,898 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:34:46,105 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:34:46,746 WARN L193 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:34:48,948 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:34:49,581 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:34:51,786 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:34:52,583 WARN L193 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 73 [2020-09-04 22:34:53,560 WARN L193 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 73 [2020-09-04 22:34:54,734 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 153 DAG size of output: 72 [2020-09-04 22:34:54,881 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 34 [2020-09-04 22:34:55,864 WARN L193 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 75 [2020-09-04 22:34:56,583 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 69 [2020-09-04 22:34:57,649 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 120 DAG size of output: 74 [2020-09-04 22:34:58,440 WARN L193 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 73 [2020-09-04 22:34:59,079 WARN L193 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:34:59,805 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 68 [2020-09-04 22:35:00,453 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:35:01,616 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 155 DAG size of output: 71 [2020-09-04 22:35:02,316 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 67 [2020-09-04 22:35:03,069 WARN L193 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 69 [2020-09-04 22:35:03,825 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 68 [2020-09-04 22:35:04,569 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 68 [2020-09-04 22:35:05,629 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 149 DAG size of output: 71 [2020-09-04 22:35:06,383 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 69 [2020-09-04 22:35:07,131 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 68 [2020-09-04 22:35:07,871 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 68 [2020-09-04 22:35:10,012 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 184 DAG size of output: 80 [2020-09-04 22:35:11,025 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 147 DAG size of output: 70 [2020-09-04 22:35:11,674 WARN L193 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:35:12,369 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 65 [2020-09-04 22:35:13,120 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 68 [2020-09-04 22:35:13,855 WARN L193 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 68 [2020-09-04 22:35:15,995 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 184 DAG size of output: 80 [2020-09-04 22:35:16,737 WARN L193 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 68 [2020-09-04 22:35:18,860 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 184 DAG size of output: 80 [2020-09-04 22:35:20,993 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 184 DAG size of output: 80 [2020-09-04 22:35:23,126 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 184 DAG size of output: 80 [2020-09-04 22:35:23,873 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 68 [2020-09-04 22:35:26,002 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 184 DAG size of output: 80 [2020-09-04 22:35:26,854 WARN L193 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 71 [2020-09-04 22:35:27,601 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 68 [2020-09-04 22:35:28,399 WARN L193 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 70 [2020-09-04 22:35:30,631 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:35:32,899 WARN L193 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:35:33,543 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-09-04 22:35:35,690 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 184 DAG size of output: 80 [2020-09-04 22:35:37,946 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:35:40,209 WARN L193 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 186 DAG size of output: 82 [2020-09-04 22:35:41,064 WARN L193 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 71 [2020-09-04 22:35:41,927 WARN L193 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 71 [2020-09-04 22:35:44,080 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 184 DAG size of output: 80 [2020-09-04 22:35:44,940 WARN L193 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 71 [2020-09-04 22:35:47,107 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 184 DAG size of output: 80 [2020-09-04 22:35:49,251 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 184 DAG size of output: 80