/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic BIGGEST_EQUIVALENCE_CLASS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive/Ackermann03.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 22:02:41,081 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 22:02:41,083 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 22:02:41,095 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 22:02:41,096 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 22:02:41,097 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 22:02:41,098 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 22:02:41,100 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 22:02:41,102 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 22:02:41,103 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 22:02:41,104 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 22:02:41,105 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 22:02:41,105 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 22:02:41,106 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 22:02:41,107 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 22:02:41,109 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 22:02:41,110 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 22:02:41,110 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 22:02:41,112 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 22:02:41,114 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 22:02:41,115 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 22:02:41,117 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 22:02:41,118 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 22:02:41,119 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 22:02:41,124 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 22:02:41,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 22:02:41,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 22:02:41,133 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 22:02:41,134 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 22:02:41,150 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 22:02:41,151 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 22:02:41,152 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 22:02:41,153 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 22:02:41,154 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 22:02:41,154 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 22:02:41,154 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 22:02:41,154 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 22:02:41,154 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 22:02:41,155 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 22:02:41,155 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 22:02:41,155 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 22:02:41,155 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 22:02:41,156 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 22:02:41,156 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 22:02:41,156 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 22:02:41,156 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 22:02:41,156 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 22:02:41,157 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 22:02:41,157 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 22:02:41,157 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 22:02:41,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 22:02:41,159 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 22:02:41,159 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 22:02:41,159 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 22:02:41,159 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 22:02:41,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:02:41,159 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 22:02:41,160 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 22:02:41,160 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> BIGGEST_EQUIVALENCE_CLASS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-21 22:02:41,430 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 22:02:41,444 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 22:02:41,447 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 22:02:41,448 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 22:02:41,449 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 22:02:41,449 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/Ackermann03.c [2020-07-21 22:02:41,510 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d54fe4b4f/30d2ec684ceb44998cfcc2069627ff8c/FLAGab1be2daa [2020-07-21 22:02:41,981 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 22:02:41,984 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive/Ackermann03.c [2020-07-21 22:02:41,991 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d54fe4b4f/30d2ec684ceb44998cfcc2069627ff8c/FLAGab1be2daa [2020-07-21 22:02:42,367 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d54fe4b4f/30d2ec684ceb44998cfcc2069627ff8c [2020-07-21 22:02:42,378 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 22:02:42,381 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 22:02:42,383 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 22:02:42,383 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 22:02:42,387 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 22:02:42,388 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:02:42" (1/1) ... [2020-07-21 22:02:42,391 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c612bd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:02:42, skipping insertion in model container [2020-07-21 22:02:42,391 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:02:42" (1/1) ... [2020-07-21 22:02:42,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 22:02:42,415 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 22:02:42,593 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 22:02:42,597 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 22:02:42,618 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 22:02:42,636 INFO L208 MainTranslator]: Completed translation [2020-07-21 22:02:42,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:02:42 WrapperNode [2020-07-21 22:02:42,637 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 22:02:42,638 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 22:02:42,638 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 22:02:42,638 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 22:02:42,652 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:02:42" (1/1) ... [2020-07-21 22:02:42,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:02:42" (1/1) ... [2020-07-21 22:02:42,658 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:02:42" (1/1) ... [2020-07-21 22:02:42,659 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:02:42" (1/1) ... [2020-07-21 22:02:42,663 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:02:42" (1/1) ... [2020-07-21 22:02:42,665 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:02:42" (1/1) ... [2020-07-21 22:02:42,667 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:02:42" (1/1) ... [2020-07-21 22:02:42,668 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 22:02:42,669 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 22:02:42,669 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 22:02:42,669 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 22:02:42,670 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:02:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 22:02:42,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 22:02:42,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 22:02:42,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ackermann [2020-07-21 22:02:42,883 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 22:02:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 22:02:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 22:02:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure ackermann [2020-07-21 22:02:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 22:02:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 22:02:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 22:02:43,087 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 22:02:43,087 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-21 22:02:43,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:02:43 BoogieIcfgContainer [2020-07-21 22:02:43,091 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 22:02:43,092 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 22:02:43,092 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 22:02:43,095 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 22:02:43,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:02:42" (1/3) ... [2020-07-21 22:02:43,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a26624 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:02:43, skipping insertion in model container [2020-07-21 22:02:43,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:02:42" (2/3) ... [2020-07-21 22:02:43,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a26624 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:02:43, skipping insertion in model container [2020-07-21 22:02:43,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:02:43" (3/3) ... [2020-07-21 22:02:43,099 INFO L109 eAbstractionObserver]: Analyzing ICFG Ackermann03.c [2020-07-21 22:02:43,110 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 22:02:43,117 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 22:02:43,132 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 22:02:43,156 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 22:02:43,156 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 22:02:43,156 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 22:02:43,156 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 22:02:43,156 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 22:02:43,157 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 22:02:43,157 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 22:02:43,157 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 22:02:43,176 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2020-07-21 22:02:43,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-07-21 22:02:43,183 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:02:43,184 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:02:43,185 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:02:43,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:02:43,191 INFO L82 PathProgramCache]: Analyzing trace with hash -1796234678, now seen corresponding path program 1 times [2020-07-21 22:02:43,200 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:02:43,200 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [929080133] [2020-07-21 22:02:43,201 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:02:43,275 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 22:02:43,275 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:02:43,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 22:02:43,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:02:43,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:02:43,379 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 22:02:43,380 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [929080133] [2020-07-21 22:02:43,382 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 22:02:43,382 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 22:02:43,383 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529496460] [2020-07-21 22:02:43,389 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 22:02:43,389 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:02:43,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 22:02:43,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 22:02:43,416 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 5 states. [2020-07-21 22:02:43,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:02:43,575 INFO L93 Difference]: Finished difference Result 42 states and 54 transitions. [2020-07-21 22:02:43,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 22:02:43,578 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-07-21 22:02:43,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:02:43,589 INFO L225 Difference]: With dead ends: 42 [2020-07-21 22:02:43,590 INFO L226 Difference]: Without dead ends: 28 [2020-07-21 22:02:43,593 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-21 22:02:43,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-07-21 22:02:43,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2020-07-21 22:02:43,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-07-21 22:02:43,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 36 transitions. [2020-07-21 22:02:43,646 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 36 transitions. Word has length 15 [2020-07-21 22:02:43,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:02:43,646 INFO L479 AbstractCegarLoop]: Abstraction has 28 states and 36 transitions. [2020-07-21 22:02:43,647 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 22:02:43,647 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2020-07-21 22:02:43,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-21 22:02:43,650 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:02:43,650 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:02:43,864 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:02:43,864 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:02:43,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:02:43,866 INFO L82 PathProgramCache]: Analyzing trace with hash -895156504, now seen corresponding path program 1 times [2020-07-21 22:02:43,866 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:02:43,867 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2084134021] [2020-07-21 22:02:43,868 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:02:43,908 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 22:02:43,908 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:02:43,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 22:02:43,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:02:43,963 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-21 22:02:43,966 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:02:44,066 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-21 22:02:44,067 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2084134021] [2020-07-21 22:02:44,067 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:02:44,067 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-07-21 22:02:44,067 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804305095] [2020-07-21 22:02:44,069 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-21 22:02:44,070 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:02:44,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-21 22:02:44,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 22:02:44,071 INFO L87 Difference]: Start difference. First operand 28 states and 36 transitions. Second operand 8 states. [2020-07-21 22:02:44,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:02:44,218 INFO L93 Difference]: Finished difference Result 68 states and 118 transitions. [2020-07-21 22:02:44,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 22:02:44,219 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2020-07-21 22:02:44,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:02:44,222 INFO L225 Difference]: With dead ends: 68 [2020-07-21 22:02:44,223 INFO L226 Difference]: Without dead ends: 44 [2020-07-21 22:02:44,225 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-07-21 22:02:44,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-07-21 22:02:44,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2020-07-21 22:02:44,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-07-21 22:02:44,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 69 transitions. [2020-07-21 22:02:44,243 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 69 transitions. Word has length 22 [2020-07-21 22:02:44,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:02:44,244 INFO L479 AbstractCegarLoop]: Abstraction has 44 states and 69 transitions. [2020-07-21 22:02:44,244 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-21 22:02:44,244 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 69 transitions. [2020-07-21 22:02:44,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-07-21 22:02:44,249 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:02:44,249 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:02:44,463 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:02:44,465 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:02:44,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:02:44,466 INFO L82 PathProgramCache]: Analyzing trace with hash -506207890, now seen corresponding path program 1 times [2020-07-21 22:02:44,467 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:02:44,467 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1262591333] [2020-07-21 22:02:44,467 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:02:44,532 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 22:02:44,532 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:02:44,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 22:02:44,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:02:44,607 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-07-21 22:02:44,608 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:02:45,010 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:02:45,109 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:02:45,159 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:02:45,161 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:02:45,211 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 6 proven. 27 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-07-21 22:02:45,212 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1262591333] [2020-07-21 22:02:45,213 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:02:45,213 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 8 [2020-07-21 22:02:45,221 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733450791] [2020-07-21 22:02:45,222 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-21 22:02:45,222 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:02:45,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-21 22:02:45,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-07-21 22:02:45,223 INFO L87 Difference]: Start difference. First operand 44 states and 69 transitions. Second operand 8 states. [2020-07-21 22:02:45,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:02:45,337 INFO L93 Difference]: Finished difference Result 61 states and 116 transitions. [2020-07-21 22:02:45,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 22:02:45,339 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 48 [2020-07-21 22:02:45,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:02:45,344 INFO L225 Difference]: With dead ends: 61 [2020-07-21 22:02:45,344 INFO L226 Difference]: Without dead ends: 57 [2020-07-21 22:02:45,346 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 82 SyntacticMatches, 9 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-07-21 22:02:45,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-07-21 22:02:45,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-07-21 22:02:45,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-07-21 22:02:45,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 112 transitions. [2020-07-21 22:02:45,367 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 112 transitions. Word has length 48 [2020-07-21 22:02:45,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:02:45,368 INFO L479 AbstractCegarLoop]: Abstraction has 57 states and 112 transitions. [2020-07-21 22:02:45,368 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-21 22:02:45,369 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 112 transitions. [2020-07-21 22:02:45,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-07-21 22:02:45,375 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:02:45,375 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 7, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:02:45,588 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:02:45,589 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:02:45,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:02:45,591 INFO L82 PathProgramCache]: Analyzing trace with hash 984881173, now seen corresponding path program 2 times [2020-07-21 22:02:45,591 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:02:45,592 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2099937986] [2020-07-21 22:02:45,592 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:02:45,666 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 22:02:45,666 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:02:45,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 17 conjunts are in the unsatisfiable core [2020-07-21 22:02:45,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:02:45,791 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 141 proven. 37 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2020-07-21 22:02:45,792 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:02:47,467 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 85 proven. 65 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-07-21 22:02:47,468 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2099937986] [2020-07-21 22:02:47,468 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:02:47,468 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15] total 24 [2020-07-21 22:02:47,469 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045348544] [2020-07-21 22:02:47,470 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-07-21 22:02:47,470 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:02:47,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-07-21 22:02:47,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=470, Unknown=0, NotChecked=0, Total=552 [2020-07-21 22:02:47,471 INFO L87 Difference]: Start difference. First operand 57 states and 112 transitions. Second operand 24 states. [2020-07-21 22:02:48,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:02:48,271 INFO L93 Difference]: Finished difference Result 226 states and 903 transitions. [2020-07-21 22:02:48,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-07-21 22:02:48,275 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 82 [2020-07-21 22:02:48,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:02:48,296 INFO L225 Difference]: With dead ends: 226 [2020-07-21 22:02:48,296 INFO L226 Difference]: Without dead ends: 177 [2020-07-21 22:02:48,302 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 139 SyntacticMatches, 4 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=355, Invalid=1625, Unknown=0, NotChecked=0, Total=1980 [2020-07-21 22:02:48,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2020-07-21 22:02:48,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 95. [2020-07-21 22:02:48,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-07-21 22:02:48,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 275 transitions. [2020-07-21 22:02:48,368 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 275 transitions. Word has length 82 [2020-07-21 22:02:48,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:02:48,368 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 275 transitions. [2020-07-21 22:02:48,369 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-07-21 22:02:48,369 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 275 transitions. [2020-07-21 22:02:48,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-07-21 22:02:48,379 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:02:48,379 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 10, 7, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:02:48,594 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:02:48,595 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:02:48,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:02:48,595 INFO L82 PathProgramCache]: Analyzing trace with hash 1232135348, now seen corresponding path program 3 times [2020-07-21 22:02:48,595 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:02:48,596 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [176282876] [2020-07-21 22:02:48,596 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:02:48,668 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 22:02:48,668 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:02:48,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 19 conjunts are in the unsatisfiable core [2020-07-21 22:02:48,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:02:48,793 INFO L134 CoverageAnalysis]: Checked inductivity of 661 backedges. 347 proven. 107 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2020-07-21 22:02:48,794 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:02:49,738 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:02:50,614 INFO L134 CoverageAnalysis]: Checked inductivity of 661 backedges. 144 proven. 197 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2020-07-21 22:02:50,614 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [176282876] [2020-07-21 22:02:50,614 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:02:50,615 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 22 [2020-07-21 22:02:50,615 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702020856] [2020-07-21 22:02:50,617 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-21 22:02:50,617 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:02:50,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-21 22:02:50,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=392, Unknown=0, NotChecked=0, Total=462 [2020-07-21 22:02:50,619 INFO L87 Difference]: Start difference. First operand 95 states and 275 transitions. Second operand 22 states. [2020-07-21 22:02:51,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:02:51,565 INFO L93 Difference]: Finished difference Result 256 states and 1032 transitions. [2020-07-21 22:02:51,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-21 22:02:51,566 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 121 [2020-07-21 22:02:51,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:02:51,574 INFO L225 Difference]: With dead ends: 256 [2020-07-21 22:02:51,575 INFO L226 Difference]: Without dead ends: 169 [2020-07-21 22:02:51,580 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 210 SyntacticMatches, 11 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 496 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=463, Invalid=1987, Unknown=0, NotChecked=0, Total=2450 [2020-07-21 22:02:51,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2020-07-21 22:02:51,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 95. [2020-07-21 22:02:51,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-07-21 22:02:51,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 251 transitions. [2020-07-21 22:02:51,610 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 251 transitions. Word has length 121 [2020-07-21 22:02:51,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:02:51,612 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 251 transitions. [2020-07-21 22:02:51,613 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-21 22:02:51,613 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 251 transitions. [2020-07-21 22:02:51,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-07-21 22:02:51,621 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:02:51,621 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 13, 9, 8, 8, 8, 8, 8, 8, 8, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:02:51,836 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:02:51,837 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:02:51,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:02:51,838 INFO L82 PathProgramCache]: Analyzing trace with hash 1681770238, now seen corresponding path program 4 times [2020-07-21 22:02:51,838 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:02:51,839 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1462872188] [2020-07-21 22:02:51,839 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:02:51,938 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 22:02:51,938 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:02:51,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 16 conjunts are in the unsatisfiable core [2020-07-21 22:02:51,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:02:52,057 INFO L134 CoverageAnalysis]: Checked inductivity of 1134 backedges. 590 proven. 197 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2020-07-21 22:02:52,057 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:02:52,931 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:02:52,975 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:02:52,976 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:02:53,016 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:02:53,053 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:02:53,410 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:02:53,489 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:02:53,516 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:02:53,559 INFO L134 CoverageAnalysis]: Checked inductivity of 1134 backedges. 215 proven. 367 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2020-07-21 22:02:53,559 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1462872188] [2020-07-21 22:02:53,559 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:02:53,559 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 15] total 17 [2020-07-21 22:02:53,560 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498005605] [2020-07-21 22:02:53,560 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-21 22:02:53,560 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:02:53,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-21 22:02:53,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2020-07-21 22:02:53,561 INFO L87 Difference]: Start difference. First operand 95 states and 251 transitions. Second operand 17 states. [2020-07-21 22:02:53,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:02:53,950 INFO L93 Difference]: Finished difference Result 182 states and 602 transitions. [2020-07-21 22:02:53,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-21 22:02:53,951 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 154 [2020-07-21 22:02:53,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:02:53,955 INFO L225 Difference]: With dead ends: 182 [2020-07-21 22:02:53,955 INFO L226 Difference]: Without dead ends: 82 [2020-07-21 22:02:53,963 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 277 SyntacticMatches, 15 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=199, Invalid=503, Unknown=0, NotChecked=0, Total=702 [2020-07-21 22:02:53,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-07-21 22:02:53,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2020-07-21 22:02:53,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-07-21 22:02:53,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 138 transitions. [2020-07-21 22:02:53,988 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 138 transitions. Word has length 154 [2020-07-21 22:02:53,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:02:53,988 INFO L479 AbstractCegarLoop]: Abstraction has 82 states and 138 transitions. [2020-07-21 22:02:53,988 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-21 22:02:53,988 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 138 transitions. [2020-07-21 22:02:53,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-07-21 22:02:53,991 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:02:53,992 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 11, 8, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:02:54,192 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:02:54,193 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:02:54,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:02:54,193 INFO L82 PathProgramCache]: Analyzing trace with hash -1835077495, now seen corresponding path program 5 times [2020-07-21 22:02:54,193 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:02:54,193 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1535737425] [2020-07-21 22:02:54,194 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:02:54,300 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 22:02:54,301 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:02:54,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 21 conjunts are in the unsatisfiable core [2020-07-21 22:02:54,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:02:54,429 INFO L134 CoverageAnalysis]: Checked inductivity of 835 backedges. 475 proven. 114 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2020-07-21 22:02:54,429 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:02:55,679 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:02:55,742 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:02:56,541 INFO L134 CoverageAnalysis]: Checked inductivity of 835 backedges. 155 proven. 295 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2020-07-21 22:02:56,541 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1535737425] [2020-07-21 22:02:56,541 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:02:56,542 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 17] total 19 [2020-07-21 22:02:56,542 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142776212] [2020-07-21 22:02:56,542 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-07-21 22:02:56,542 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:02:56,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-07-21 22:02:56,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2020-07-21 22:02:56,543 INFO L87 Difference]: Start difference. First operand 82 states and 138 transitions. Second operand 19 states. [2020-07-21 22:02:57,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:02:57,099 INFO L93 Difference]: Finished difference Result 165 states and 311 transitions. [2020-07-21 22:02:57,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-07-21 22:02:57,101 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 134 [2020-07-21 22:02:57,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:02:57,103 INFO L225 Difference]: With dead ends: 165 [2020-07-21 22:02:57,104 INFO L226 Difference]: Without dead ends: 100 [2020-07-21 22:02:57,106 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 232 SyntacticMatches, 18 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 299 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=312, Invalid=1094, Unknown=0, NotChecked=0, Total=1406 [2020-07-21 22:02:57,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2020-07-21 22:02:57,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 97. [2020-07-21 22:02:57,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-07-21 22:02:57,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 170 transitions. [2020-07-21 22:02:57,120 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 170 transitions. Word has length 134 [2020-07-21 22:02:57,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:02:57,123 INFO L479 AbstractCegarLoop]: Abstraction has 97 states and 170 transitions. [2020-07-21 22:02:57,123 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-07-21 22:02:57,123 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 170 transitions. [2020-07-21 22:02:57,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-07-21 22:02:57,126 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:02:57,127 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 13, 10, 9, 9, 9, 9, 9, 9, 9, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:02:57,339 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:02:57,340 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:02:57,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:02:57,340 INFO L82 PathProgramCache]: Analyzing trace with hash -1434361927, now seen corresponding path program 6 times [2020-07-21 22:02:57,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:02:57,340 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1819055345] [2020-07-21 22:02:57,341 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:02:57,466 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 22:02:57,467 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:02:57,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 35 conjunts are in the unsatisfiable core [2020-07-21 22:02:57,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:02:57,756 INFO L134 CoverageAnalysis]: Checked inductivity of 1246 backedges. 421 proven. 286 refuted. 0 times theorem prover too weak. 539 trivial. 0 not checked. [2020-07-21 22:02:57,756 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:02:59,259 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:02:59,367 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:02:59,368 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:02:59,437 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:02:59,438 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:03:00,373 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-07-21 22:03:02,279 INFO L134 CoverageAnalysis]: Checked inductivity of 1246 backedges. 467 proven. 286 refuted. 0 times theorem prover too weak. 493 trivial. 0 not checked. [2020-07-21 22:03:02,279 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1819055345] [2020-07-21 22:03:02,280 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:03:02,280 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 27] total 33 [2020-07-21 22:03:02,280 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067494376] [2020-07-21 22:03:02,281 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2020-07-21 22:03:02,281 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:03:02,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2020-07-21 22:03:02,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=917, Unknown=0, NotChecked=0, Total=1056 [2020-07-21 22:03:02,282 INFO L87 Difference]: Start difference. First operand 97 states and 170 transitions. Second operand 33 states. [2020-07-21 22:03:03,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:03:03,565 INFO L93 Difference]: Finished difference Result 211 states and 413 transitions. [2020-07-21 22:03:03,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-07-21 22:03:03,566 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 160 [2020-07-21 22:03:03,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:03:03,570 INFO L225 Difference]: With dead ends: 211 [2020-07-21 22:03:03,571 INFO L226 Difference]: Without dead ends: 131 [2020-07-21 22:03:03,574 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 263 SyntacticMatches, 25 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1059 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=807, Invalid=3353, Unknown=0, NotChecked=0, Total=4160 [2020-07-21 22:03:03,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-07-21 22:03:03,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 121. [2020-07-21 22:03:03,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2020-07-21 22:03:03,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 221 transitions. [2020-07-21 22:03:03,594 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 221 transitions. Word has length 160 [2020-07-21 22:03:03,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:03:03,595 INFO L479 AbstractCegarLoop]: Abstraction has 121 states and 221 transitions. [2020-07-21 22:03:03,595 INFO L480 AbstractCegarLoop]: Interpolant automaton has 33 states. [2020-07-21 22:03:03,595 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 221 transitions. [2020-07-21 22:03:03,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-07-21 22:03:03,600 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:03:03,600 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 14, 11, 10, 10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:03:03,814 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:03:03,815 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:03:03,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:03:03,816 INFO L82 PathProgramCache]: Analyzing trace with hash -66876812, now seen corresponding path program 7 times [2020-07-21 22:03:03,817 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:03:03,817 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [303373891] [2020-07-21 22:03:03,817 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:03:04,052 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 22:03:04,052 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:03:04,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 37 conjunts are in the unsatisfiable core [2020-07-21 22:03:04,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:03:04,302 INFO L134 CoverageAnalysis]: Checked inductivity of 1483 backedges. 477 proven. 372 refuted. 0 times theorem prover too weak. 634 trivial. 0 not checked. [2020-07-21 22:03:04,302 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:03:06,135 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:03:06,137 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:03:06,317 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:03:06,426 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:03:06,427 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:03:06,491 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:03:09,369 INFO L134 CoverageAnalysis]: Checked inductivity of 1483 backedges. 525 proven. 384 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2020-07-21 22:03:09,369 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [303373891] [2020-07-21 22:03:09,369 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:03:09,370 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 28] total 30 [2020-07-21 22:03:09,370 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504808872] [2020-07-21 22:03:09,371 INFO L459 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-07-21 22:03:09,371 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:03:09,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-07-21 22:03:09,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=744, Unknown=0, NotChecked=0, Total=870 [2020-07-21 22:03:09,372 INFO L87 Difference]: Start difference. First operand 121 states and 221 transitions. Second operand 30 states. [2020-07-21 22:03:10,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:03:10,454 INFO L93 Difference]: Finished difference Result 250 states and 509 transitions. [2020-07-21 22:03:10,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-07-21 22:03:10,454 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 173 [2020-07-21 22:03:10,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:03:10,458 INFO L225 Difference]: With dead ends: 250 [2020-07-21 22:03:10,458 INFO L226 Difference]: Without dead ends: 146 [2020-07-21 22:03:10,461 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 380 GetRequests, 285 SyntacticMatches, 32 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1177 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=867, Invalid=3293, Unknown=0, NotChecked=0, Total=4160 [2020-07-21 22:03:10,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-07-21 22:03:10,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 136. [2020-07-21 22:03:10,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-07-21 22:03:10,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 257 transitions. [2020-07-21 22:03:10,479 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 257 transitions. Word has length 173 [2020-07-21 22:03:10,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:03:10,480 INFO L479 AbstractCegarLoop]: Abstraction has 136 states and 257 transitions. [2020-07-21 22:03:10,480 INFO L480 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-07-21 22:03:10,480 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 257 transitions. [2020-07-21 22:03:10,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-07-21 22:03:10,483 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:03:10,483 INFO L422 BasicCegarLoop]: trace histogram [27, 27, 15, 12, 11, 11, 11, 11, 11, 11, 11, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:03:10,695 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:03:10,696 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:03:10,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:03:10,697 INFO L82 PathProgramCache]: Analyzing trace with hash -1028004289, now seen corresponding path program 8 times [2020-07-21 22:03:10,698 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:03:10,698 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1375383459] [2020-07-21 22:03:10,698 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:03:10,964 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 22:03:10,965 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:03:10,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 547 conjuncts, 79 conjunts are in the unsatisfiable core [2020-07-21 22:03:10,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:03:11,293 INFO L134 CoverageAnalysis]: Checked inductivity of 1741 backedges. 583 proven. 158 refuted. 0 times theorem prover too weak. 1000 trivial. 0 not checked. [2020-07-21 22:03:11,294 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:03:13,468 INFO L134 CoverageAnalysis]: Checked inductivity of 1741 backedges. 597 proven. 189 refuted. 0 times theorem prover too weak. 955 trivial. 0 not checked. [2020-07-21 22:03:13,469 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1375383459] [2020-07-21 22:03:13,469 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:03:13,469 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 33] total 35 [2020-07-21 22:03:13,469 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589533119] [2020-07-21 22:03:13,470 INFO L459 AbstractCegarLoop]: Interpolant automaton has 35 states [2020-07-21 22:03:13,470 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:03:13,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2020-07-21 22:03:13,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1105, Unknown=0, NotChecked=0, Total=1190 [2020-07-21 22:03:13,471 INFO L87 Difference]: Start difference. First operand 136 states and 257 transitions. Second operand 35 states. [2020-07-21 22:03:19,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:03:19,748 INFO L93 Difference]: Finished difference Result 284 states and 554 transitions. [2020-07-21 22:03:19,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2020-07-21 22:03:19,753 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 186 [2020-07-21 22:03:19,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:03:19,758 INFO L225 Difference]: With dead ends: 284 [2020-07-21 22:03:19,759 INFO L226 Difference]: Without dead ends: 256 [2020-07-21 22:03:19,763 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 440 GetRequests, 338 SyntacticMatches, 0 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2267 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=1228, Invalid=9484, Unknown=0, NotChecked=0, Total=10712 [2020-07-21 22:03:19,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2020-07-21 22:03:19,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 176. [2020-07-21 22:03:19,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2020-07-21 22:03:19,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 367 transitions. [2020-07-21 22:03:19,802 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 367 transitions. Word has length 186 [2020-07-21 22:03:19,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:03:19,806 INFO L479 AbstractCegarLoop]: Abstraction has 176 states and 367 transitions. [2020-07-21 22:03:19,806 INFO L480 AbstractCegarLoop]: Interpolant automaton has 35 states. [2020-07-21 22:03:19,806 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 367 transitions. [2020-07-21 22:03:19,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-07-21 22:03:19,809 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:03:19,809 INFO L422 BasicCegarLoop]: trace histogram [29, 29, 16, 13, 12, 12, 12, 12, 12, 12, 12, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:03:20,023 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:03:20,024 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:03:20,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:03:20,025 INFO L82 PathProgramCache]: Analyzing trace with hash -2090243986, now seen corresponding path program 9 times [2020-07-21 22:03:20,026 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:03:20,026 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1738941786] [2020-07-21 22:03:20,027 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:03:20,263 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 22:03:20,264 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:03:20,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 41 conjunts are in the unsatisfiable core [2020-07-21 22:03:20,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:03:20,606 INFO L134 CoverageAnalysis]: Checked inductivity of 2020 backedges. 647 proven. 519 refuted. 0 times theorem prover too weak. 854 trivial. 0 not checked. [2020-07-21 22:03:20,606 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:03:23,577 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:03:23,578 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:03:23,979 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:03:24,261 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:03:24,263 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:03:24,453 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:03:24,454 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:03:24,579 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:03:24,580 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:03:24,665 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:03:24,666 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:03:27,841 INFO L134 CoverageAnalysis]: Checked inductivity of 2020 backedges. 685 proven. 580 refuted. 0 times theorem prover too weak. 755 trivial. 0 not checked. [2020-07-21 22:03:27,842 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1738941786] [2020-07-21 22:03:27,842 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:03:27,842 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 32] total 34 [2020-07-21 22:03:27,842 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924971602] [2020-07-21 22:03:27,843 INFO L459 AbstractCegarLoop]: Interpolant automaton has 34 states [2020-07-21 22:03:27,843 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:03:27,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2020-07-21 22:03:27,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=958, Unknown=0, NotChecked=0, Total=1122 [2020-07-21 22:03:27,844 INFO L87 Difference]: Start difference. First operand 176 states and 367 transitions. Second operand 34 states. [2020-07-21 22:03:29,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:03:29,323 INFO L93 Difference]: Finished difference Result 437 states and 1065 transitions. [2020-07-21 22:03:29,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-07-21 22:03:29,325 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 199 [2020-07-21 22:03:29,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:03:29,332 INFO L225 Difference]: With dead ends: 437 [2020-07-21 22:03:29,332 INFO L226 Difference]: Without dead ends: 187 [2020-07-21 22:03:29,338 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 423 GetRequests, 329 SyntacticMatches, 36 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1023 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=685, Invalid=2855, Unknown=0, NotChecked=0, Total=3540 [2020-07-21 22:03:29,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2020-07-21 22:03:29,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 170. [2020-07-21 22:03:29,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-07-21 22:03:29,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 294 transitions. [2020-07-21 22:03:29,362 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 294 transitions. Word has length 199 [2020-07-21 22:03:29,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:03:29,365 INFO L479 AbstractCegarLoop]: Abstraction has 170 states and 294 transitions. [2020-07-21 22:03:29,365 INFO L480 AbstractCegarLoop]: Interpolant automaton has 34 states. [2020-07-21 22:03:29,365 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 294 transitions. [2020-07-21 22:03:29,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-07-21 22:03:29,368 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:03:29,368 INFO L422 BasicCegarLoop]: trace histogram [31, 31, 17, 14, 13, 13, 13, 13, 13, 13, 13, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:03:29,583 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:03:29,584 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:03:29,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:03:29,584 INFO L82 PathProgramCache]: Analyzing trace with hash 469178039, now seen corresponding path program 10 times [2020-07-21 22:03:29,584 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:03:29,585 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [134962475] [2020-07-21 22:03:29,585 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:03:29,880 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 22:03:29,881 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:03:29,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 25 conjunts are in the unsatisfiable core [2020-07-21 22:03:29,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:03:30,151 INFO L134 CoverageAnalysis]: Checked inductivity of 2320 backedges. 1340 proven. 196 refuted. 0 times theorem prover too weak. 784 trivial. 0 not checked. [2020-07-21 22:03:30,151 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:03:32,442 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:03:32,443 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:03:32,616 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:03:32,731 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:03:32,732 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:03:32,813 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:03:32,814 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:03:33,740 INFO L134 CoverageAnalysis]: Checked inductivity of 2320 backedges. 274 proven. 806 refuted. 0 times theorem prover too weak. 1240 trivial. 0 not checked. [2020-07-21 22:03:33,741 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [134962475] [2020-07-21 22:03:33,741 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:03:33,741 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 21] total 23 [2020-07-21 22:03:33,741 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025581986] [2020-07-21 22:03:33,742 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-07-21 22:03:33,742 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:03:33,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-07-21 22:03:33,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=420, Unknown=0, NotChecked=0, Total=506 [2020-07-21 22:03:33,743 INFO L87 Difference]: Start difference. First operand 170 states and 294 transitions. Second operand 23 states. [2020-07-21 22:03:34,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:03:34,467 INFO L93 Difference]: Finished difference Result 324 states and 618 transitions. [2020-07-21 22:03:34,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-07-21 22:03:34,467 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 212 [2020-07-21 22:03:34,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:03:34,471 INFO L225 Difference]: With dead ends: 324 [2020-07-21 22:03:34,471 INFO L226 Difference]: Without dead ends: 171 [2020-07-21 22:03:34,474 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 439 GetRequests, 380 SyntacticMatches, 22 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 329 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=311, Invalid=1171, Unknown=0, NotChecked=0, Total=1482 [2020-07-21 22:03:34,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-07-21 22:03:34,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 170. [2020-07-21 22:03:34,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-07-21 22:03:34,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 291 transitions. [2020-07-21 22:03:34,491 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 291 transitions. Word has length 212 [2020-07-21 22:03:34,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:03:34,491 INFO L479 AbstractCegarLoop]: Abstraction has 170 states and 291 transitions. [2020-07-21 22:03:34,491 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-07-21 22:03:34,491 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 291 transitions. [2020-07-21 22:03:34,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2020-07-21 22:03:34,495 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:03:34,496 INFO L422 BasicCegarLoop]: trace histogram [42, 42, 23, 19, 18, 18, 18, 18, 18, 18, 18, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:03:34,708 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:03:34,709 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:03:34,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:03:34,710 INFO L82 PathProgramCache]: Analyzing trace with hash -1239024914, now seen corresponding path program 11 times [2020-07-21 22:03:34,710 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:03:34,710 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1317933295] [2020-07-21 22:03:34,711 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:03:35,098 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 22:03:35,099 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:03:35,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 833 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 22:03:35,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:03:35,184 INFO L134 CoverageAnalysis]: Checked inductivity of 4329 backedges. 234 proven. 507 refuted. 0 times theorem prover too weak. 3588 trivial. 0 not checked. [2020-07-21 22:03:35,184 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:03:36,054 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:03:36,055 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:03:36,374 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:03:36,375 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:03:36,533 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:03:36,534 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:03:36,627 INFO L134 CoverageAnalysis]: Checked inductivity of 4329 backedges. 234 proven. 522 refuted. 0 times theorem prover too weak. 3573 trivial. 0 not checked. [2020-07-21 22:03:36,628 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1317933295] [2020-07-21 22:03:36,628 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:03:36,628 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 12 [2020-07-21 22:03:36,629 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381655193] [2020-07-21 22:03:36,629 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-21 22:03:36,630 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:03:36,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-21 22:03:36,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-07-21 22:03:36,631 INFO L87 Difference]: Start difference. First operand 170 states and 291 transitions. Second operand 12 states. [2020-07-21 22:03:36,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:03:36,809 INFO L93 Difference]: Finished difference Result 174 states and 294 transitions. [2020-07-21 22:03:36,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-21 22:03:36,810 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 284 [2020-07-21 22:03:36,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:03:36,814 INFO L225 Difference]: With dead ends: 174 [2020-07-21 22:03:36,814 INFO L226 Difference]: Without dead ends: 170 [2020-07-21 22:03:36,816 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 571 GetRequests, 548 SyntacticMatches, 9 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=155, Unknown=0, NotChecked=0, Total=240 [2020-07-21 22:03:36,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2020-07-21 22:03:36,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 158. [2020-07-21 22:03:36,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-07-21 22:03:36,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 251 transitions. [2020-07-21 22:03:36,837 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 251 transitions. Word has length 284 [2020-07-21 22:03:36,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:03:36,837 INFO L479 AbstractCegarLoop]: Abstraction has 158 states and 251 transitions. [2020-07-21 22:03:36,837 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-21 22:03:36,837 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 251 transitions. [2020-07-21 22:03:36,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2020-07-21 22:03:36,844 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:03:36,844 INFO L422 BasicCegarLoop]: trace histogram [41, 41, 23, 18, 17, 17, 17, 17, 17, 17, 17, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:03:37,057 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:03:37,058 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:03:37,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:03:37,059 INFO L82 PathProgramCache]: Analyzing trace with hash -240688111, now seen corresponding path program 12 times [2020-07-21 22:03:37,059 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:03:37,059 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [146486645] [2020-07-21 22:03:37,060 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:03:37,424 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 22:03:37,424 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:03:37,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 39 conjunts are in the unsatisfiable core [2020-07-21 22:03:37,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:03:37,725 INFO L134 CoverageAnalysis]: Checked inductivity of 4107 backedges. 2428 proven. 401 refuted. 0 times theorem prover too weak. 1278 trivial. 0 not checked. [2020-07-21 22:03:37,725 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:03:38,945 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-07-21 22:03:41,353 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-07-21 22:03:42,365 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:03:42,556 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:03:42,557 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:03:42,686 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:03:42,773 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:03:42,773 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:03:43,987 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-07-21 22:03:47,791 INFO L134 CoverageAnalysis]: Checked inductivity of 4107 backedges. 700 proven. 1204 refuted. 0 times theorem prover too weak. 2203 trivial. 0 not checked. [2020-07-21 22:03:47,791 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [146486645] [2020-07-21 22:03:47,792 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:03:47,792 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 29] total 31 [2020-07-21 22:03:47,792 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790134507] [2020-07-21 22:03:47,792 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-07-21 22:03:47,792 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:03:47,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-07-21 22:03:47,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=801, Unknown=0, NotChecked=0, Total=930 [2020-07-21 22:03:47,793 INFO L87 Difference]: Start difference. First operand 158 states and 251 transitions. Second operand 31 states. [2020-07-21 22:03:49,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:03:49,066 INFO L93 Difference]: Finished difference Result 294 states and 514 transitions. [2020-07-21 22:03:49,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-07-21 22:03:49,068 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 278 [2020-07-21 22:03:49,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:03:49,071 INFO L225 Difference]: With dead ends: 294 [2020-07-21 22:03:49,071 INFO L226 Difference]: Without dead ends: 153 [2020-07-21 22:03:49,078 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 587 GetRequests, 492 SyntacticMatches, 34 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1174 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=794, Invalid=3112, Unknown=0, NotChecked=0, Total=3906 [2020-07-21 22:03:49,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-07-21 22:03:49,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2020-07-21 22:03:49,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-07-21 22:03:49,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 233 transitions. [2020-07-21 22:03:49,097 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 233 transitions. Word has length 278 [2020-07-21 22:03:49,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:03:49,098 INFO L479 AbstractCegarLoop]: Abstraction has 153 states and 233 transitions. [2020-07-21 22:03:49,098 INFO L480 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-07-21 22:03:49,098 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 233 transitions. [2020-07-21 22:03:49,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2020-07-21 22:03:49,100 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:03:49,101 INFO L422 BasicCegarLoop]: trace histogram [43, 43, 24, 19, 18, 18, 18, 18, 18, 18, 18, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:03:49,314 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:03:49,315 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:03:49,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:03:49,315 INFO L82 PathProgramCache]: Analyzing trace with hash -1137736678, now seen corresponding path program 13 times [2020-07-21 22:03:49,315 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:03:49,315 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [400998285] [2020-07-21 22:03:49,316 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:03:49,747 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 22:03:49,747 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:03:49,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 28 conjunts are in the unsatisfiable core [2020-07-21 22:03:49,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:03:49,870 INFO L134 CoverageAnalysis]: Checked inductivity of 4530 backedges. 2560 proven. 561 refuted. 0 times theorem prover too weak. 1409 trivial. 0 not checked. [2020-07-21 22:03:49,871 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:03:54,007 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:03:54,393 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:03:54,636 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:03:54,637 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:03:54,794 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:03:54,794 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:03:54,879 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:03:54,917 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:03:56,004 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:03:56,366 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:03:56,515 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:03:56,642 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:03:56,675 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:03:56,762 INFO L134 CoverageAnalysis]: Checked inductivity of 4530 backedges. 633 proven. 1449 refuted. 0 times theorem prover too weak. 2448 trivial. 0 not checked. [2020-07-21 22:03:56,763 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [400998285] [2020-07-21 22:03:56,763 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:03:56,763 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 15] total 17 [2020-07-21 22:03:56,763 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870698753] [2020-07-21 22:03:56,764 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-21 22:03:56,764 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:03:56,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-21 22:03:56,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2020-07-21 22:03:56,765 INFO L87 Difference]: Start difference. First operand 153 states and 233 transitions. Second operand 17 states. [2020-07-21 22:03:57,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:03:57,187 INFO L93 Difference]: Finished difference Result 288 states and 517 transitions. [2020-07-21 22:03:57,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-21 22:03:57,189 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 291 [2020-07-21 22:03:57,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:03:57,192 INFO L225 Difference]: With dead ends: 288 [2020-07-21 22:03:57,193 INFO L226 Difference]: Without dead ends: 151 [2020-07-21 22:03:57,196 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 589 GetRequests, 539 SyntacticMatches, 27 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=170, Invalid=430, Unknown=0, NotChecked=0, Total=600 [2020-07-21 22:03:57,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-07-21 22:03:57,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2020-07-21 22:03:57,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2020-07-21 22:03:57,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 211 transitions. [2020-07-21 22:03:57,208 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 211 transitions. Word has length 291 [2020-07-21 22:03:57,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:03:57,209 INFO L479 AbstractCegarLoop]: Abstraction has 151 states and 211 transitions. [2020-07-21 22:03:57,209 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-21 22:03:57,209 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 211 transitions. [2020-07-21 22:03:57,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1065 [2020-07-21 22:03:57,220 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:03:57,221 INFO L422 BasicCegarLoop]: trace histogram [161, 161, 89, 72, 71, 71, 71, 71, 71, 71, 71, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:03:57,435 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:03:57,436 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:03:57,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:03:57,437 INFO L82 PathProgramCache]: Analyzing trace with hash -1792967769, now seen corresponding path program 14 times [2020-07-21 22:03:57,437 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:03:57,437 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [812751846] [2020-07-21 22:03:57,438 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:03:58,133 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 22:03:58,133 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:03:58,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 1562 conjuncts, 53 conjunts are in the unsatisfiable core [2020-07-21 22:03:58,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:03:59,165 INFO L134 CoverageAnalysis]: Checked inductivity of 65682 backedges. 33144 proven. 777 refuted. 0 times theorem prover too weak. 31761 trivial. 0 not checked. [2020-07-21 22:03:59,166 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:04:00,262 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:04:00,365 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:04:00,473 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:04:00,580 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:04:00,777 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:04:00,915 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:04:01,064 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:04:01,215 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:04:01,370 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-21 22:04:01,512 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-21 22:04:01,670 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-07-21 22:04:01,827 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-07-21 22:04:06,481 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:04:06,587 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:04:06,700 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:04:06,815 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:04:06,992 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:04:07,139 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:04:07,287 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:04:07,431 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:04:07,587 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-21 22:04:07,738 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-21 22:04:07,902 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-07-21 22:04:08,096 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-07-21 22:04:10,058 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:04:10,167 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:04:10,282 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:04:10,396 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:04:10,577 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:04:10,715 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:04:10,872 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:04:11,018 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:04:11,178 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-21 22:04:11,331 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-21 22:04:11,492 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-07-21 22:04:11,647 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-07-21 22:04:14,028 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:04:14,134 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:04:14,257 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:04:14,373 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:04:14,555 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:04:14,699 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:04:14,848 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:04:14,998 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:04:15,160 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-21 22:04:15,320 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-21 22:04:15,489 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-07-21 22:04:15,646 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-07-21 22:04:17,825 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:04:17,998 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:04:18,126 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:04:18,252 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:04:18,372 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:04:18,548 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:04:18,685 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:04:18,828 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:04:18,971 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:04:19,121 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-21 22:04:19,271 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-21 22:04:19,426 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-07-21 22:04:19,581 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-07-21 22:04:22,115 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:04:22,772 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:04:22,774 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:04:23,238 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:04:23,238 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:04:23,577 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:04:23,578 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:04:23,834 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:04:23,835 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:04:23,999 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:04:25,457 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:04:25,570 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:04:25,685 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:04:25,803 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:04:26,020 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:04:26,168 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:04:26,316 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:04:26,469 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:04:26,634 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-21 22:04:26,807 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-21 22:04:26,983 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-07-21 22:04:27,179 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-07-21 22:04:28,496 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:04:28,615 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:04:28,742 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:04:28,869 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:04:29,063 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:04:29,215 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:04:29,376 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:04:29,533 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:04:30,799 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:04:30,962 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:04:31,085 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:04:31,211 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:04:31,336 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:04:32,351 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:04:32,468 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:04:32,584 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:04:35,809 INFO L134 CoverageAnalysis]: Checked inductivity of 65682 backedges. 3952 proven. 9399 refuted. 0 times theorem prover too weak. 52331 trivial. 0 not checked. [2020-07-21 22:04:35,810 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [812751846] [2020-07-21 22:04:35,810 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:04:35,810 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 40] total 42 [2020-07-21 22:04:35,811 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706578757] [2020-07-21 22:04:35,813 INFO L459 AbstractCegarLoop]: Interpolant automaton has 42 states [2020-07-21 22:04:35,813 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:04:35,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2020-07-21 22:04:35,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=225, Invalid=1497, Unknown=0, NotChecked=0, Total=1722 [2020-07-21 22:04:35,814 INFO L87 Difference]: Start difference. First operand 151 states and 211 transitions. Second operand 42 states. [2020-07-21 22:04:38,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:04:38,473 INFO L93 Difference]: Finished difference Result 301 states and 488 transitions. [2020-07-21 22:04:38,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2020-07-21 22:04:38,475 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 1064 [2020-07-21 22:04:38,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:04:38,479 INFO L225 Difference]: With dead ends: 301 [2020-07-21 22:04:38,479 INFO L226 Difference]: Without dead ends: 167 [2020-07-21 22:04:38,483 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2171 GetRequests, 2041 SyntacticMatches, 46 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2390 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=1425, Invalid=5885, Unknown=0, NotChecked=0, Total=7310 [2020-07-21 22:04:38,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2020-07-21 22:04:38,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2020-07-21 22:04:38,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2020-07-21 22:04:38,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 225 transitions. [2020-07-21 22:04:38,498 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 225 transitions. Word has length 1064 [2020-07-21 22:04:38,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:04:38,499 INFO L479 AbstractCegarLoop]: Abstraction has 167 states and 225 transitions. [2020-07-21 22:04:38,499 INFO L480 AbstractCegarLoop]: Interpolant automaton has 42 states. [2020-07-21 22:04:38,499 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 225 transitions. [2020-07-21 22:04:38,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1365 [2020-07-21 22:04:38,517 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:04:38,518 INFO L422 BasicCegarLoop]: trace histogram [207, 207, 113, 94, 93, 93, 93, 93, 93, 93, 93, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:04:38,732 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:04:38,733 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:04:38,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:04:38,734 INFO L82 PathProgramCache]: Analyzing trace with hash 374059961, now seen corresponding path program 15 times [2020-07-21 22:04:38,735 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:04:38,735 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1573409159] [2020-07-21 22:04:38,735 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:04:39,758 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 22:04:39,758 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:04:39,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 2000 conjuncts, 67 conjunts are in the unsatisfiable core [2020-07-21 22:04:39,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:04:41,815 INFO L134 CoverageAnalysis]: Checked inductivity of 109104 backedges. 55698 proven. 1160 refuted. 0 times theorem prover too weak. 52246 trivial. 0 not checked. [2020-07-21 22:04:41,816 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:04:43,246 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:04:43,372 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:04:43,502 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:04:43,633 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:04:43,837 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:04:43,996 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:04:44,173 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:04:44,340 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:04:44,590 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-21 22:04:44,786 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-21 22:04:44,996 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-21 22:04:45,218 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-21 22:04:45,514 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-21 22:04:45,760 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-21 22:04:46,019 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-21 22:04:46,290 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-21 22:04:46,597 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-07-21 22:04:46,856 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-07-21 22:04:47,135 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-07-21 22:04:47,397 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-07-21 22:04:57,103 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:04:57,228 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:04:57,367 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:04:57,503 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:04:57,727 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:04:57,895 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:04:58,077 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:04:58,256 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:04:58,514 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-21 22:04:58,722 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-21 22:04:58,932 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-21 22:04:59,137 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-21 22:04:59,419 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-21 22:04:59,656 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-21 22:04:59,907 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-21 22:05:00,154 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-21 22:05:00,423 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-07-21 22:05:00,738 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-07-21 22:05:01,051 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-07-21 22:05:01,337 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-07-21 22:05:02,601 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-07-21 22:05:03,999 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:05:04,104 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:05:04,209 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:05:04,314 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:05:04,497 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:05:04,632 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:05:04,776 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:05:04,944 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:05:05,177 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:05:05,355 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:05:05,540 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:05:05,752 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:05:06,031 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-21 22:05:06,245 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-21 22:05:06,473 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-21 22:05:06,702 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-21 22:05:07,039 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-21 22:05:07,314 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-21 22:05:07,583 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-21 22:05:07,865 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-21 22:05:08,146 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-07-21 22:05:08,422 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-07-21 22:05:08,726 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-07-21 22:05:09,035 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-07-21 22:05:12,305 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:05:12,411 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:05:12,516 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:05:12,701 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:05:12,831 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:05:12,974 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:05:13,119 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:05:13,371 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:05:13,542 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:05:13,765 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:05:13,942 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:05:14,226 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-21 22:05:14,469 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-21 22:05:14,739 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-21 22:05:15,000 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-21 22:05:15,388 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-21 22:05:15,712 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-21 22:05:16,044 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-21 22:05:16,365 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-21 22:05:16,684 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-07-21 22:05:17,012 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-07-21 22:05:17,363 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-07-21 22:05:17,697 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-07-21 22:05:20,861 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2020-07-21 22:05:23,079 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:05:23,080 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:05:24,270 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:05:24,271 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:05:25,187 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:05:25,764 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:05:26,227 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:05:26,560 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:05:26,561 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:05:26,773 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:05:26,774 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:05:28,180 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:05:28,287 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:05:28,684 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:05:28,823 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:05:29,005 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:05:29,165 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:05:29,423 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:05:29,624 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:05:29,826 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:05:30,042 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:05:30,368 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-21 22:05:30,616 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-21 22:05:30,857 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-21 22:05:31,111 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-21 22:05:31,471 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-21 22:05:31,754 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-21 22:05:32,108 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-21 22:05:32,402 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-21 22:05:32,712 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-07-21 22:05:33,025 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-07-21 22:05:33,381 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-07-21 22:05:33,683 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-07-21 22:05:34,996 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:05:35,119 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:05:35,257 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:05:35,396 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:05:35,651 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:05:35,821 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:05:35,999 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:05:36,173 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:05:36,462 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:05:36,683 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:05:36,909 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:05:37,146 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:05:37,498 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-21 22:05:37,744 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-21 22:05:38,000 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-21 22:05:38,259 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-21 22:05:38,641 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-21 22:05:38,952 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-21 22:05:39,256 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-21 22:05:39,566 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-21 22:05:41,065 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-07-21 22:05:41,278 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:05:41,416 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:05:41,565 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:05:41,711 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:05:41,948 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:05:42,099 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:05:42,277 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:05:42,456 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:05:42,767 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:05:42,968 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:05:43,176 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:05:43,386 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:05:43,715 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-21 22:05:43,956 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-21 22:05:44,222 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-21 22:05:44,470 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-21 22:05:45,723 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:05:45,855 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:05:45,982 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:05:46,102 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:05:46,312 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:05:46,457 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:05:46,608 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:05:46,758 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:05:47,027 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:05:47,217 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:05:47,417 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:05:47,602 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:05:49,118 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:05:49,265 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:05:49,396 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:05:49,537 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:05:49,770 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:05:49,922 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:05:50,087 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:05:50,239 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:05:51,534 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:05:51,660 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:05:51,789 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:05:51,909 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:05:57,825 INFO L134 CoverageAnalysis]: Checked inductivity of 109104 backedges. 5914 proven. 14348 refuted. 0 times theorem prover too weak. 88842 trivial. 0 not checked. [2020-07-21 22:05:57,826 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1573409159] [2020-07-21 22:05:57,826 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:05:57,827 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 51] total 57 [2020-07-21 22:05:57,827 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328748579] [2020-07-21 22:05:57,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 57 states [2020-07-21 22:05:57,828 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:05:57,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2020-07-21 22:05:57,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=369, Invalid=2823, Unknown=0, NotChecked=0, Total=3192 [2020-07-21 22:05:57,830 INFO L87 Difference]: Start difference. First operand 167 states and 225 transitions. Second operand 57 states. [2020-07-21 22:06:03,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:06:03,742 INFO L93 Difference]: Finished difference Result 332 states and 501 transitions. [2020-07-21 22:06:03,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2020-07-21 22:06:03,746 INFO L78 Accepts]: Start accepts. Automaton has 57 states. Word has length 1364 [2020-07-21 22:06:03,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:06:03,750 INFO L225 Difference]: With dead ends: 332 [2020-07-21 22:06:03,750 INFO L226 Difference]: Without dead ends: 182 [2020-07-21 22:06:03,755 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2783 GetRequests, 2619 SyntacticMatches, 53 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4194 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=2307, Invalid=10349, Unknown=0, NotChecked=0, Total=12656 [2020-07-21 22:06:03,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2020-07-21 22:06:03,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2020-07-21 22:06:03,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2020-07-21 22:06:03,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 247 transitions. [2020-07-21 22:06:03,771 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 247 transitions. Word has length 1364 [2020-07-21 22:06:03,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:06:03,773 INFO L479 AbstractCegarLoop]: Abstraction has 182 states and 247 transitions. [2020-07-21 22:06:03,773 INFO L480 AbstractCegarLoop]: Interpolant automaton has 57 states. [2020-07-21 22:06:03,773 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 247 transitions. [2020-07-21 22:06:03,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1567 [2020-07-21 22:06:03,794 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:06:03,795 INFO L422 BasicCegarLoop]: trace histogram [238, 238, 129, 109, 108, 108, 108, 108, 108, 108, 108, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:06:04,008 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:06:04,009 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:06:04,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:06:04,009 INFO L82 PathProgramCache]: Analyzing trace with hash -753676502, now seen corresponding path program 16 times [2020-07-21 22:06:04,010 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:06:04,010 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1861533405] [2020-07-21 22:06:04,010 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:06:05,431 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 22:06:05,431 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:06:05,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 2295 conjuncts, 69 conjunts are in the unsatisfiable core [2020-07-21 22:06:05,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:06:07,813 INFO L134 CoverageAnalysis]: Checked inductivity of 144600 backedges. 69098 proven. 1330 refuted. 0 times theorem prover too weak. 74172 trivial. 0 not checked. [2020-07-21 22:06:07,813 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:06:09,079 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-07-21 22:06:09,233 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-07-21 22:06:09,444 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:06:09,560 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:06:09,679 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:06:09,796 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:06:10,017 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:06:10,164 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:06:10,315 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:06:10,467 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:06:10,716 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:06:10,894 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:06:11,092 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:06:11,313 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:06:11,643 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-21 22:06:11,889 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-21 22:06:12,141 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-21 22:06:12,394 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-21 22:06:12,751 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-21 22:06:13,040 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-21 22:06:13,358 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-21 22:06:13,650 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-21 22:06:13,951 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-07-21 22:06:14,236 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-07-21 22:06:14,539 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-07-21 22:06:14,847 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-07-21 22:06:36,340 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:06:36,473 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:06:36,613 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:06:36,751 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:06:36,993 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:06:37,158 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:06:37,333 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:06:37,522 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:06:37,833 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:06:38,061 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:06:38,287 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:06:38,504 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:06:38,852 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-21 22:06:39,111 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-21 22:06:39,375 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-21 22:06:39,656 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-21 22:06:40,055 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-21 22:06:40,371 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-21 22:06:40,700 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-21 22:06:41,008 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-21 22:06:41,335 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-07-21 22:06:41,682 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-07-21 22:06:42,026 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-07-21 22:06:42,363 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-07-21 22:06:46,249 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-07-21 22:06:46,354 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-07-21 22:06:46,578 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:06:46,713 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:06:46,856 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:06:47,013 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:06:47,311 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:06:47,491 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:06:47,675 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:06:47,858 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:06:48,164 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:06:48,377 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:06:48,591 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:06:48,812 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:06:49,143 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-21 22:06:49,455 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-21 22:06:49,776 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-21 22:06:50,104 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-21 22:06:50,589 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-21 22:06:50,965 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-21 22:06:51,340 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-21 22:06:51,720 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-21 22:06:52,118 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-07-21 22:06:52,507 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-07-21 22:06:52,916 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-07-21 22:06:53,321 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-07-21 22:06:55,236 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-07-21 22:06:55,349 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-07-21 22:06:55,469 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-07-21 22:06:55,595 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-07-21 22:06:55,741 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-07-21 22:06:55,865 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-07-21 22:06:55,997 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-07-21 22:06:56,126 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-07-21 22:07:00,053 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-07-21 22:07:00,189 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-07-21 22:07:00,329 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-07-21 22:07:00,469 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-07-21 22:07:00,776 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:07:00,961 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:07:01,157 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:07:01,352 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:07:01,724 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:07:01,972 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:07:02,196 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:07:02,418 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:07:02,803 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:07:03,069 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:07:03,352 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:07:03,598 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:07:04,007 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-21 22:07:04,327 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-21 22:07:04,703 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-21 22:07:05,195 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-21 22:07:05,766 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-21 22:07:06,212 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-21 22:07:06,678 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-21 22:07:07,148 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-21 22:07:07,649 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-07-21 22:07:08,076 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-07-21 22:07:08,489 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-07-21 22:07:08,910 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-07-21 22:07:10,555 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2020-07-21 22:07:10,664 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2020-07-21 22:07:10,801 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-07-21 22:07:10,913 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-07-21 22:07:11,035 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-07-21 22:07:11,156 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-07-21 22:07:11,309 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-07-21 22:07:11,445 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-07-21 22:07:11,581 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-07-21 22:07:11,718 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-07-21 22:07:13,573 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2020-07-21 22:07:13,680 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2020-07-21 22:07:13,818 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-07-21 22:07:13,934 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-07-21 22:07:14,060 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-07-21 22:07:14,185 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-07-21 22:07:14,337 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-07-21 22:07:14,471 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-07-21 22:07:14,612 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-07-21 22:07:14,749 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-07-21 22:07:14,884 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-07-21 22:07:15,007 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2020-07-21 22:07:15,120 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-07-21 22:07:15,230 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:07:15,333 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2020-07-21 22:07:17,695 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2020-07-21 22:07:17,802 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2020-07-21 22:07:17,937 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-07-21 22:07:18,052 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-07-21 22:07:18,175 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-07-21 22:07:18,296 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-07-21 22:07:18,413 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-07-21 22:07:18,521 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-07-21 22:07:19,109 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:07:21,059 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2020-07-21 22:07:21,172 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2020-07-21 22:07:21,769 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:07:21,770 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:07:23,780 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:07:23,781 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:07:25,248 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:07:25,249 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:07:26,299 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:07:26,300 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:07:27,077 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:07:27,623 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:07:27,624 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:07:27,993 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:07:27,993 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:07:29,828 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-07-21 22:07:29,955 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-07-21 22:07:30,085 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-07-21 22:07:30,217 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-07-21 22:07:30,509 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:07:30,694 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:07:30,949 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:07:31,132 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:07:31,472 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:07:31,696 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:07:31,934 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:07:32,167 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:07:32,623 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:07:32,968 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:07:33,322 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:07:33,670 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:07:34,222 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-21 22:07:34,629 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-21 22:07:35,060 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-21 22:07:35,484 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-21 22:07:36,066 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-21 22:07:36,482 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-21 22:07:36,903 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-21 22:07:37,347 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-21 22:07:37,747 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-07-21 22:07:38,163 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-07-21 22:07:38,626 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-07-21 22:07:39,093 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-07-21 22:07:40,284 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-07-21 22:07:40,421 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-07-21 22:07:40,576 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-07-21 22:07:40,743 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-07-21 22:07:41,111 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:07:41,328 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:07:41,561 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:07:41,799 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:07:42,233 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:07:42,522 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:07:42,791 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:07:43,062 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:07:43,499 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:07:43,798 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:07:44,100 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:07:44,393 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:07:44,887 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-21 22:07:45,269 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-21 22:07:45,637 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-21 22:07:45,990 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-21 22:07:46,442 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-21 22:07:46,836 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-21 22:07:47,369 WARN L193 SmtUtils]: Spent 526.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-21 22:07:47,890 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-21 22:07:49,718 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-07-21 22:07:49,843 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-07-21 22:07:49,981 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-07-21 22:07:50,107 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-07-21 22:07:50,370 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:07:50,525 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:07:50,683 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:07:50,843 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:07:51,138 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:07:51,329 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:07:51,542 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:07:51,842 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:07:52,199 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:07:52,446 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:07:52,694 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:07:52,939 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:07:53,315 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-21 22:07:53,619 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-21 22:07:53,951 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-21 22:07:54,276 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-21 22:07:55,790 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-07-21 22:07:55,912 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-07-21 22:07:56,035 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-07-21 22:07:56,160 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-07-21 22:07:56,425 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:07:56,581 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:07:56,741 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:07:56,900 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:07:57,198 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:07:57,399 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:07:57,602 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:07:57,826 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:07:58,191 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:07:58,445 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:07:58,702 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:07:58,952 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:08:00,435 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-07-21 22:08:00,555 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-07-21 22:08:00,682 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-07-21 22:08:00,806 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-07-21 22:08:01,061 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:08:01,213 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:08:01,377 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:08:01,535 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:08:01,866 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:08:02,091 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:08:02,317 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:08:02,531 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:08:03,978 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-07-21 22:08:04,105 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-07-21 22:08:04,238 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-07-21 22:08:04,365 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-07-21 22:08:04,637 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:08:04,798 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:08:04,968 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:08:05,137 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:08:06,568 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-07-21 22:08:06,681 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-07-21 22:08:06,803 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-07-21 22:08:06,923 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-07-21 22:08:14,697 INFO L134 CoverageAnalysis]: Checked inductivity of 144600 backedges. 6306 proven. 18405 refuted. 0 times theorem prover too weak. 119889 trivial. 0 not checked. [2020-07-21 22:08:14,697 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1861533405] [2020-07-21 22:08:14,698 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:08:14,698 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 52] total 54 [2020-07-21 22:08:14,698 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64056166] [2020-07-21 22:08:14,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 54 states [2020-07-21 22:08:14,700 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:08:14,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2020-07-21 22:08:14,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=352, Invalid=2510, Unknown=0, NotChecked=0, Total=2862 [2020-07-21 22:08:14,701 INFO L87 Difference]: Start difference. First operand 182 states and 247 transitions. Second operand 54 states. [2020-07-21 22:08:25,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:08:25,311 INFO L93 Difference]: Finished difference Result 362 states and 554 transitions. [2020-07-21 22:08:25,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2020-07-21 22:08:25,319 INFO L78 Accepts]: Start accepts. Automaton has 54 states. Word has length 1566 [2020-07-21 22:08:25,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:08:25,324 INFO L225 Difference]: With dead ends: 362 [2020-07-21 22:08:25,324 INFO L226 Difference]: Without dead ends: 197 [2020-07-21 22:08:25,331 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3190 GetRequests, 3019 SyntacticMatches, 60 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4419 ImplicationChecksByTransitivity, 12.5s TimeCoverageRelationStatistics Valid=2415, Invalid=10241, Unknown=0, NotChecked=0, Total=12656 [2020-07-21 22:08:25,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2020-07-21 22:08:25,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2020-07-21 22:08:25,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-07-21 22:08:25,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 269 transitions. [2020-07-21 22:08:25,353 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 269 transitions. Word has length 1566 [2020-07-21 22:08:25,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:08:25,354 INFO L479 AbstractCegarLoop]: Abstraction has 197 states and 269 transitions. [2020-07-21 22:08:25,354 INFO L480 AbstractCegarLoop]: Interpolant automaton has 54 states. [2020-07-21 22:08:25,354 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 269 transitions. [2020-07-21 22:08:25,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1795 [2020-07-21 22:08:25,391 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:08:25,392 INFO L422 BasicCegarLoop]: trace histogram [273, 273, 147, 126, 125, 125, 125, 125, 125, 125, 125, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:08:25,607 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:08:25,609 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:08:25,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:08:25,610 INFO L82 PathProgramCache]: Analyzing trace with hash 665410911, now seen corresponding path program 17 times [2020-07-21 22:08:25,611 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:08:25,611 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [551314644] [2020-07-21 22:08:25,611 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:08:27,410 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 22:08:27,410 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:08:27,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 2630 conjuncts, 83 conjunts are in the unsatisfiable core [2020-07-21 22:08:27,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:08:33,782 INFO L134 CoverageAnalysis]: Checked inductivity of 190705 backedges. 97097 proven. 1819 refuted. 0 times theorem prover too weak. 91789 trivial. 0 not checked. [2020-07-21 22:08:33,783 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:08:36,283 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-07-21 22:08:36,401 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-07-21 22:08:36,525 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-07-21 22:08:36,654 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-07-21 22:08:37,003 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-07-21 22:08:37,185 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-07-21 22:08:37,383 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-07-21 22:08:37,582 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-07-21 22:08:37,995 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:08:38,239 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:08:38,495 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:08:38,755 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:08:39,143 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:08:39,405 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:08:39,674 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:08:39,943 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:08:40,411 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:08:40,746 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:08:41,106 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:08:41,455 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:08:41,916 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-21 22:08:42,207 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-21 22:08:42,588 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-21 22:08:42,973 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-21 22:08:43,588 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-21 22:08:44,122 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-21 22:08:44,711 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-21 22:08:45,300 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-21 22:08:46,134 WARN L193 SmtUtils]: Spent 654.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-07-21 22:08:46,799 WARN L193 SmtUtils]: Spent 660.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-07-21 22:08:47,495 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-07-21 22:08:48,184 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-07-21 22:08:49,130 WARN L193 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-07-21 22:08:49,878 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-07-21 22:08:50,659 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-07-21 22:08:51,449 WARN L193 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-07-21 22:08:52,263 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-07-21 22:08:53,082 WARN L193 SmtUtils]: Spent 814.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-07-21 22:08:53,911 WARN L193 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-21 22:08:54,739 WARN L193 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-21 22:08:55,904 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2020-07-21 22:08:56,013 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2020-07-21 22:08:56,170 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2020-07-21 22:08:56,290 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2020-07-21 22:08:56,422 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-07-21 22:08:56,551 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-07-21 22:08:56,730 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-07-21 22:08:56,874 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-07-21 22:08:57,028 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-07-21 22:08:57,282 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-07-21 22:08:57,482 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2020-07-21 22:08:57,649 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2020-07-21 22:08:57,825 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2020-07-21 22:08:57,999 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2020-07-21 22:08:58,223 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-07-21 22:08:58,408 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-07-21 22:08:58,617 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-07-21 22:08:58,814 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-07-21 22:08:59,058 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-07-21 22:08:59,266 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-07-21 22:08:59,490 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2020-07-21 22:08:59,711 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2020-07-21 22:08:59,983 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:09:00,219 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:09:00,462 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:09:00,709 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:09:51,127 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-07-21 22:09:51,235 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-07-21 22:09:51,519 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-07-21 22:09:51,668 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-07-21 22:09:51,824 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-07-21 22:09:51,976 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-07-21 22:09:52,312 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:09:52,517 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:09:52,731 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:09:52,945 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:09:53,349 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:09:53,612 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:09:53,887 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:09:54,159 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:09:54,624 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:09:54,954 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:09:55,299 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:09:55,640 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:09:56,170 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-21 22:09:56,566 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-21 22:09:56,976 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-21 22:09:57,386 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-21 22:09:57,989 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-21 22:09:58,457 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-21 22:09:58,945 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-21 22:09:59,441 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-21 22:10:00,249 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-07-21 22:10:00,794 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-07-21 22:10:01,354 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-07-21 22:10:01,925 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-07-21 22:10:02,710 WARN L193 SmtUtils]: Spent 635.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-07-21 22:10:03,352 WARN L193 SmtUtils]: Spent 637.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-07-21 22:10:03,985 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-07-21 22:10:04,626 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-07-21 22:10:05,298 WARN L193 SmtUtils]: Spent 663.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-07-21 22:10:05,971 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-07-21 22:10:06,640 WARN L193 SmtUtils]: Spent 664.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-21 22:10:07,325 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-21 22:10:08,891 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-07-21 22:10:09,003 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-07-21 22:10:09,128 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-07-21 22:10:09,247 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-07-21 22:10:09,404 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2020-07-21 22:10:09,531 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2020-07-21 22:10:09,669 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2020-07-21 22:10:09,810 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2020-07-21 22:10:09,989 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-07-21 22:10:10,142 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-07-21 22:10:10,298 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-07-21 22:10:10,455 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-07-21 22:10:10,659 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-07-21 22:10:10,826 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-07-21 22:10:11,000 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2020-07-21 22:10:11,176 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2020-07-21 22:10:11,388 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:10:11,568 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:10:11,757 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:10:11,946 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:10:13,853 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-07-21 22:10:14,070 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-07-21 22:10:14,186 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-07-21 22:10:14,486 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-07-21 22:10:14,645 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-07-21 22:10:14,811 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-07-21 22:10:14,978 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-07-21 22:10:15,343 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:10:15,561 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:10:15,789 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:10:16,017 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:10:16,449 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:10:16,744 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:10:17,034 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:10:17,321 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:10:17,813 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:10:18,164 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:10:18,524 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:10:18,880 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:10:19,426 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-21 22:10:19,830 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-21 22:10:20,256 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-21 22:10:20,685 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-21 22:10:21,326 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-21 22:10:21,809 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-21 22:10:22,305 WARN L193 SmtUtils]: Spent 491.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-21 22:10:22,683 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-21 22:10:23,454 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-07-21 22:10:24,183 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-07-21 22:10:24,936 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-07-21 22:10:25,683 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-07-21 22:10:26,721 WARN L193 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-07-21 22:10:27,557 WARN L193 SmtUtils]: Spent 829.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-07-21 22:10:28,386 WARN L193 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-07-21 22:10:29,236 WARN L193 SmtUtils]: Spent 846.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-07-21 22:10:30,249 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 134 [2020-07-21 22:10:31,115 WARN L193 SmtUtils]: Spent 861.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-07-21 22:10:32,001 WARN L193 SmtUtils]: Spent 878.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-21 22:10:32,897 WARN L193 SmtUtils]: Spent 890.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-21 22:10:33,986 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2020-07-21 22:10:34,098 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2020-07-21 22:10:34,222 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2020-07-21 22:10:34,343 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2020-07-21 22:10:34,519 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2020-07-21 22:10:34,653 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2020-07-21 22:10:34,798 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-07-21 22:10:34,944 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-07-21 22:10:35,145 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-07-21 22:10:35,306 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-07-21 22:10:35,477 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-07-21 22:10:35,646 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-07-21 22:10:35,871 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2020-07-21 22:10:36,055 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2020-07-21 22:10:36,245 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2020-07-21 22:10:36,442 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2020-07-21 22:10:36,691 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-07-21 22:10:36,898 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-07-21 22:10:37,118 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-07-21 22:10:37,339 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-07-21 22:10:37,613 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-07-21 22:10:37,847 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-07-21 22:10:38,101 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2020-07-21 22:10:38,351 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2020-07-21 22:10:38,652 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:10:38,911 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:10:39,186 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:10:39,461 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:10:40,623 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2020-07-21 22:10:40,732 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2020-07-21 22:10:40,854 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2020-07-21 22:10:40,976 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2020-07-21 22:10:41,149 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2020-07-21 22:10:41,285 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2020-07-21 22:10:41,433 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-07-21 22:10:41,576 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-07-21 22:10:41,776 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-07-21 22:10:41,935 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-07-21 22:10:42,106 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-07-21 22:10:42,276 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-07-21 22:10:42,501 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2020-07-21 22:10:42,684 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2020-07-21 22:10:42,884 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2020-07-21 22:10:43,081 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2020-07-21 22:10:43,332 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-07-21 22:10:43,537 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-07-21 22:10:43,762 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-07-21 22:10:43,986 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-07-21 22:10:44,265 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-07-21 22:10:44,502 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-07-21 22:10:44,757 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2020-07-21 22:10:44,950 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2020-07-21 22:10:45,187 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:10:45,390 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:10:45,602 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:10:45,813 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:10:46,018 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-07-21 22:10:46,213 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-07-21 22:10:46,394 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:10:46,570 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-07-21 22:10:46,731 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2020-07-21 22:10:46,885 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:10:47,037 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-07-21 22:10:47,185 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-07-21 22:10:47,314 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-07-21 22:10:49,168 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-07-21 22:10:49,283 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-07-21 22:10:49,442 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-07-21 22:10:49,587 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-07-21 22:10:49,760 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-07-21 22:10:49,931 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-07-21 22:10:50,159 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2020-07-21 22:10:50,340 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2020-07-21 22:10:50,527 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2020-07-21 22:10:50,724 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2020-07-21 22:10:50,980 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-07-21 22:10:51,192 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-07-21 22:10:51,416 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-07-21 22:10:51,627 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-07-21 22:10:51,906 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-07-21 22:10:52,145 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-07-21 22:10:52,397 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2020-07-21 22:10:52,637 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2020-07-21 22:10:52,879 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:10:53,106 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-07-21 22:10:53,320 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-07-21 22:10:53,512 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:10:53,697 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2020-07-21 22:10:53,870 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2020-07-21 22:10:54,032 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2020-07-21 22:10:54,182 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-07-21 22:10:54,319 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2020-07-21 22:10:54,640 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:10:54,641 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:10:56,004 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2020-07-21 22:10:56,116 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2020-07-21 22:10:56,254 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2020-07-21 22:10:56,377 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2020-07-21 22:10:56,544 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2020-07-21 22:10:56,679 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2020-07-21 22:10:56,827 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-07-21 22:10:56,977 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-07-21 22:10:57,181 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-07-21 22:10:57,342 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-07-21 22:10:57,512 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-07-21 22:10:57,683 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-07-21 22:10:57,911 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2020-07-21 22:10:58,098 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2020-07-21 22:10:58,301 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2020-07-21 22:10:58,497 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2020-07-21 22:10:58,742 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-07-21 22:10:58,955 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-07-21 22:10:59,180 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-07-21 22:10:59,404 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-07-21 22:10:59,610 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-07-21 22:10:59,812 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-07-21 22:10:59,999 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:11:00,176 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2020-07-21 22:11:00,339 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-07-21 22:11:00,487 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-07-21 22:11:00,624 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2020-07-21 22:11:00,954 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:11:02,284 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2020-07-21 22:11:02,395 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2020-07-21 22:11:02,518 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2020-07-21 22:11:02,639 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2020-07-21 22:11:02,814 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2020-07-21 22:11:02,946 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2020-07-21 22:11:03,089 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-07-21 22:11:03,222 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-07-21 22:11:03,410 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-07-21 22:11:03,566 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-07-21 22:11:03,736 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-07-21 22:11:03,908 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-07-21 22:11:04,127 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2020-07-21 22:11:04,313 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2020-07-21 22:11:04,515 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2020-07-21 22:11:04,715 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2020-07-21 22:11:04,907 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2020-07-21 22:11:05,086 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-07-21 22:11:05,250 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2020-07-21 22:11:05,397 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-07-21 22:11:05,534 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2020-07-21 22:11:05,857 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:11:07,210 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2020-07-21 22:11:07,710 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2020-07-21 22:11:07,822 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-07-21 22:11:07,934 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-07-21 22:11:08,088 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-07-21 22:11:08,207 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-07-21 22:11:08,336 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-07-21 22:11:08,470 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-07-21 22:11:08,595 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2020-07-21 22:11:08,705 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-07-21 22:11:09,046 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:11:09,046 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:11:10,661 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-07-21 22:11:10,770 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-07-21 22:11:11,107 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:11:11,108 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:11:12,607 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:11:12,608 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:11:13,724 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:11:14,518 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:11:15,072 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:11:17,477 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-07-21 22:11:17,591 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-07-21 22:11:17,705 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-07-21 22:11:17,827 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-07-21 22:11:18,155 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-07-21 22:11:18,328 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-07-21 22:11:18,510 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-07-21 22:11:18,642 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-07-21 22:11:18,926 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:11:19,165 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:11:19,408 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:11:19,652 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:11:20,113 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:11:20,410 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:11:20,717 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:11:21,026 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:11:21,548 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:11:21,916 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:11:22,296 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:11:22,670 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:11:23,263 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-21 22:11:23,703 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-21 22:11:24,158 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-21 22:11:24,608 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-21 22:11:25,300 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-21 22:11:25,826 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-21 22:11:26,477 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-21 22:11:27,013 WARN L193 SmtUtils]: Spent 532.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-21 22:11:27,779 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-07-21 22:11:28,389 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-07-21 22:11:29,008 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-07-21 22:11:29,626 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-07-21 22:11:30,474 WARN L193 SmtUtils]: Spent 681.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-07-21 22:11:31,164 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-07-21 22:11:31,873 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-07-21 22:11:32,587 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-07-21 22:11:33,319 WARN L193 SmtUtils]: Spent 722.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-07-21 22:11:34,042 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-07-21 22:11:34,791 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-21 22:11:35,529 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-21 22:11:36,575 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-07-21 22:11:36,688 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-07-21 22:11:36,814 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-07-21 22:11:36,941 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-07-21 22:11:37,282 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-07-21 22:11:37,457 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-07-21 22:11:37,648 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-07-21 22:11:37,838 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-07-21 22:11:38,242 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:11:38,483 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:11:38,735 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:11:38,986 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:11:39,460 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:11:39,769 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:11:40,089 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:11:40,412 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:11:40,961 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:11:41,345 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:11:41,739 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:11:42,126 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:11:42,744 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-21 22:11:43,191 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-21 22:11:43,662 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-21 22:11:44,136 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-21 22:11:44,830 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-21 22:11:45,365 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-21 22:11:45,915 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-21 22:11:46,464 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-21 22:11:47,248 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-07-21 22:11:47,870 WARN L193 SmtUtils]: Spent 617.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-07-21 22:11:48,508 WARN L193 SmtUtils]: Spent 632.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-07-21 22:11:49,144 WARN L193 SmtUtils]: Spent 632.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-07-21 22:11:50,016 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-07-21 22:11:50,722 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-07-21 22:11:51,428 WARN L193 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-07-21 22:11:52,152 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-07-21 22:11:54,052 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-07-21 22:11:54,171 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-07-21 22:11:54,305 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-07-21 22:11:54,436 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-07-21 22:11:54,792 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-07-21 22:11:54,978 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-07-21 22:11:55,172 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-07-21 22:11:55,368 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-07-21 22:11:55,788 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:11:56,042 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:11:56,313 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:11:56,570 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:11:57,063 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:11:57,390 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:11:57,729 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:11:58,069 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:11:58,636 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:11:59,028 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:11:59,540 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:11:59,949 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:12:00,602 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-21 22:12:01,075 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-21 22:12:01,562 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-21 22:12:02,049 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-21 22:12:02,776 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-21 22:12:03,324 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-21 22:12:03,896 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-21 22:12:04,447 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-21 22:12:05,264 WARN L193 SmtUtils]: Spent 637.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-07-21 22:12:05,902 WARN L193 SmtUtils]: Spent 634.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-07-21 22:12:06,417 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-07-21 22:12:07,079 WARN L193 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-07-21 22:12:08,966 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-07-21 22:12:09,090 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-07-21 22:12:09,226 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-07-21 22:12:09,362 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-07-21 22:12:09,733 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-07-21 22:12:09,923 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-07-21 22:12:10,124 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-07-21 22:12:10,326 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-07-21 22:12:10,758 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:12:11,016 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:12:11,288 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:12:11,562 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:12:12,067 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:12:12,392 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:12:12,733 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:12:13,072 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:12:13,641 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:12:14,045 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:12:14,464 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:12:14,883 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:12:15,547 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-21 22:12:16,028 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-21 22:12:16,528 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-21 22:12:17,021 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-21 22:12:17,767 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-21 22:12:18,334 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-21 22:12:18,916 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-21 22:12:19,494 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-21 22:12:21,401 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-07-21 22:12:21,529 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-07-21 22:12:21,667 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-07-21 22:12:21,804 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-07-21 22:12:22,176 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-07-21 22:12:22,371 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-07-21 22:12:22,576 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-07-21 22:12:22,780 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-07-21 22:12:23,227 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:12:23,485 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:12:23,764 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:12:24,040 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:12:24,553 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:12:24,888 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:12:25,238 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:12:25,591 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:12:26,183 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:12:26,594 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:12:27,012 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:12:27,438 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:12:28,115 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-21 22:12:28,607 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-21 22:12:29,119 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-21 22:12:29,629 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-21 22:12:31,472 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-07-21 22:12:31,603 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-07-21 22:12:31,745 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-07-21 22:12:31,887 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-07-21 22:12:32,269 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-07-21 22:12:32,466 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-07-21 22:12:32,677 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-07-21 22:12:32,881 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-07-21 22:12:33,335 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:12:33,603 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:12:33,883 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:12:34,168 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:12:34,712 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:12:35,142 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:12:35,597 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:12:36,057 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:12:36,824 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:12:37,352 WARN L193 SmtUtils]: Spent 523.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:12:37,913 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:12:38,455 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:12:40,805 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-07-21 22:12:40,979 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-07-21 22:12:41,170 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-07-21 22:12:41,358 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-07-21 22:12:41,840 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-07-21 22:12:42,100 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-07-21 22:12:42,379 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-07-21 22:12:42,631 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-07-21 22:12:43,227 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:12:43,571 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:12:43,843 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:12:44,110 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:12:44,663 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:12:45,114 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:12:45,581 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:12:46,049 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:12:47,563 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2020-07-21 22:12:48,522 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-07-21 22:12:48,697 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-07-21 22:12:48,885 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-07-21 22:12:49,073 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-07-21 22:12:49,577 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-07-21 22:12:49,841 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-07-21 22:12:50,121 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-07-21 22:12:50,392 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-07-21 22:12:50,998 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:12:51,354 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:12:51,731 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:12:52,103 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:12:53,876 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2020-07-21 22:12:53,981 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2020-07-21 22:12:54,320 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-07-21 22:12:54,458 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-07-21 22:12:54,602 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-07-21 22:12:54,748 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-07-21 22:12:55,147 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-07-21 22:12:55,353 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-07-21 22:12:55,571 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-07-21 22:12:55,784 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-07-21 22:12:57,502 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-07-21 22:12:57,634 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-07-21 22:12:57,779 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-07-21 22:12:57,923 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-07-21 22:13:17,412 INFO L134 CoverageAnalysis]: Checked inductivity of 190705 backedges. 9209 proven. 23028 refuted. 0 times theorem prover too weak. 158468 trivial. 0 not checked. [2020-07-21 22:13:17,413 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [551314644] [2020-07-21 22:13:17,413 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:13:17,413 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 63] total 69 [2020-07-21 22:13:17,414 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273341818] [2020-07-21 22:13:17,415 INFO L459 AbstractCegarLoop]: Interpolant automaton has 69 states [2020-07-21 22:13:17,416 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:13:17,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2020-07-21 22:13:17,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=526, Invalid=4166, Unknown=0, NotChecked=0, Total=4692 [2020-07-21 22:13:17,417 INFO L87 Difference]: Start difference. First operand 197 states and 269 transitions. Second operand 69 states. [2020-07-21 22:13:19,619 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 9 [2020-07-21 22:13:20,734 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 9 [2020-07-21 22:13:22,074 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 9 [2020-07-21 22:13:23,245 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 9 [2020-07-21 22:13:24,042 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 9 [2020-07-21 22:13:25,026 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 9 [2020-07-21 22:13:26,253 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 9 [2020-07-21 22:13:27,516 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 9 [2020-07-21 22:13:28,785 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 9 [2020-07-21 22:13:30,561 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 9 [2020-07-21 22:13:31,852 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 9 [2020-07-21 22:13:33,706 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 9 [2020-07-21 22:13:34,842 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 9 [2020-07-21 22:13:36,020 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 9 [2020-07-21 22:13:37,186 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 9 [2020-07-21 22:13:39,188 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 9 [2020-07-21 22:13:40,753 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 9 [2020-07-21 22:13:42,008 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 9 [2020-07-21 22:13:42,935 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 9 [2020-07-21 22:13:43,880 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 9 [2020-07-21 22:13:45,571 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 9 [2020-07-21 22:13:46,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:13:46,452 INFO L93 Difference]: Finished difference Result 404 states and 623 transitions. [2020-07-21 22:13:46,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2020-07-21 22:13:46,464 INFO L78 Accepts]: Start accepts. Automaton has 69 states. Word has length 1794 [2020-07-21 22:13:46,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:13:46,470 INFO L225 Difference]: With dead ends: 404 [2020-07-21 22:13:46,470 INFO L226 Difference]: Without dead ends: 224 [2020-07-21 22:13:46,480 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3663 GetRequests, 3453 SyntacticMatches, 67 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7157 ImplicationChecksByTransitivity, 34.3s TimeCoverageRelationStatistics Valid=3805, Invalid=17075, Unknown=0, NotChecked=0, Total=20880 [2020-07-21 22:13:46,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2020-07-21 22:13:46,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 217. [2020-07-21 22:13:46,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-07-21 22:13:46,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 298 transitions. [2020-07-21 22:13:46,508 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 298 transitions. Word has length 1794 [2020-07-21 22:13:46,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:13:46,509 INFO L479 AbstractCegarLoop]: Abstraction has 217 states and 298 transitions. [2020-07-21 22:13:46,509 INFO L480 AbstractCegarLoop]: Interpolant automaton has 69 states. [2020-07-21 22:13:46,509 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 298 transitions. [2020-07-21 22:13:46,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2101 [2020-07-21 22:13:46,553 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:13:46,554 INFO L422 BasicCegarLoop]: trace histogram [320, 320, 171, 149, 148, 148, 148, 148, 148, 148, 148, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:13:46,755 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:13:46,756 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:13:46,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:13:46,758 INFO L82 PathProgramCache]: Analyzing trace with hash -780133950, now seen corresponding path program 18 times [2020-07-21 22:13:46,758 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:13:46,758 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1113274896] [2020-07-21 22:13:46,759 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:13:49,068 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-21 22:13:49,069 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:13:49,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 1539 conjuncts, 59 conjunts are in the unsatisfiable core [2020-07-21 22:13:49,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:13:55,463 INFO L134 CoverageAnalysis]: Checked inductivity of 262713 backedges. 87752 proven. 1101 refuted. 0 times theorem prover too weak. 173860 trivial. 0 not checked. [2020-07-21 22:13:55,463 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:13:57,416 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2020-07-21 22:13:57,949 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-07-21 22:13:58,126 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-07-21 22:13:58,322 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-07-21 22:13:58,515 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-07-21 22:13:59,027 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-07-21 22:13:59,295 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-07-21 22:13:59,578 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-07-21 22:13:59,861 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-07-21 22:14:00,469 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:14:00,825 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:14:01,195 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:14:01,567 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:14:02,079 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:14:02,418 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:14:02,781 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:14:03,139 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:14:03,749 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:14:04,174 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:14:04,608 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:14:05,054 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:14:05,509 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-21 22:14:05,960 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-21 22:14:06,433 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-07-21 22:14:06,897 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-07-21 22:14:08,087 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2020-07-21 22:14:08,193 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2020-07-21 22:14:08,353 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2020-07-21 22:14:08,477 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2020-07-21 22:14:08,610 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-07-21 22:14:08,746 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-07-21 22:14:08,929 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-07-21 22:14:09,074 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-07-21 22:14:09,233 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-07-21 22:14:09,390 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-07-21 22:14:09,595 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2020-07-21 22:14:09,764 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2020-07-21 22:14:09,949 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2020-07-21 22:14:10,130 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2020-07-21 22:14:10,361 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-07-21 22:14:10,554 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-07-21 22:14:10,762 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-07-21 22:14:10,968 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-07-21 22:14:11,225 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-07-21 22:14:11,443 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-07-21 22:14:11,670 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2020-07-21 22:14:11,899 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2020-07-21 22:14:12,179 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:14:12,420 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:14:12,673 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:14:12,925 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:15:32,760 WARN L193 SmtUtils]: Spent 890.00 ms on a formula simplification that was a NOOP. DAG size: 1 [2020-07-21 22:15:52,260 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-07-21 22:15:52,393 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-07-21 22:15:52,541 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-07-21 22:15:52,692 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-07-21 22:15:53,098 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-07-21 22:15:53,304 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-07-21 22:15:53,525 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-07-21 22:15:53,753 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-07-21 22:15:54,222 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:15:54,501 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:15:54,789 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:15:55,083 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:15:55,632 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:15:55,987 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:15:56,357 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:15:56,727 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:15:57,355 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:15:57,788 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:15:58,235 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:15:58,682 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:15:59,147 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-21 22:15:59,607 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-21 22:16:00,076 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-07-21 22:16:00,548 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-07-21 22:16:01,606 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2020-07-21 22:16:01,714 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2020-07-21 22:16:01,831 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2020-07-21 22:16:01,948 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2020-07-21 22:16:02,114 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2020-07-21 22:16:02,242 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2020-07-21 22:16:02,381 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-07-21 22:16:02,521 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-07-21 22:16:02,714 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-07-21 22:16:02,865 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-07-21 22:16:03,030 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-07-21 22:16:03,194 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-07-21 22:16:03,407 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2020-07-21 22:16:03,583 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2020-07-21 22:16:03,769 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2020-07-21 22:16:03,958 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2020-07-21 22:16:04,196 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-07-21 22:16:04,398 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-07-21 22:16:04,610 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-07-21 22:16:04,820 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-07-21 22:16:05,081 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-07-21 22:16:05,304 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-07-21 22:16:05,539 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2020-07-21 22:16:05,770 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2020-07-21 22:16:06,061 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:16:06,311 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:16:06,571 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:16:06,836 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:16:10,234 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-07-21 22:16:10,379 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-07-21 22:16:10,535 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-07-21 22:16:10,690 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-07-21 22:16:11,101 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-07-21 22:16:11,307 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-07-21 22:16:11,524 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-07-21 22:16:11,742 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-07-21 22:16:12,204 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:16:12,475 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:16:12,760 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:16:13,051 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:16:13,588 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:16:13,937 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 22:16:14,316 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:16:14,689 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 22:16:15,330 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:16:15,767 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:16:16,207 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:16:16,655 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:16:17,128 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-21 22:16:17,605 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-21 22:16:18,087 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-07-21 22:16:18,571 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-07-21 22:16:19,644 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2020-07-21 22:16:19,748 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2020-07-21 22:16:19,868 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2020-07-21 22:16:19,986 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2020-07-21 22:16:20,156 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2020-07-21 22:16:20,286 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2020-07-21 22:16:20,425 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-07-21 22:16:20,571 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-07-21 22:16:20,770 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-07-21 22:16:20,922 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-07-21 22:16:21,085 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-07-21 22:16:21,249 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-07-21 22:16:21,466 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2020-07-21 22:16:21,645 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2020-07-21 22:16:21,833 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2020-07-21 22:16:22,021 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2020-07-21 22:16:22,266 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-07-21 22:16:22,466 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-07-21 22:16:22,684 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-07-21 22:16:22,895 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-07-21 22:16:23,161 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-07-21 22:16:23,388 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-07-21 22:16:23,629 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2020-07-21 22:16:23,870 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2020-07-21 22:16:24,163 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:16:24,425 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 22:16:24,688 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 22:16:24,950 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 54