/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec3_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 16:52:36,100 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 16:52:36,104 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 16:52:36,151 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 16:52:36,151 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 16:52:36,152 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 16:52:36,154 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 16:52:36,156 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 16:52:36,157 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 16:52:36,158 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 16:52:36,159 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 16:52:36,160 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 16:52:36,160 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 16:52:36,161 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 16:52:36,162 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 16:52:36,163 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 16:52:36,164 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 16:52:36,165 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 16:52:36,167 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 16:52:36,169 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 16:52:36,171 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 16:52:36,172 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 16:52:36,173 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 16:52:36,174 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 16:52:36,177 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 16:52:36,177 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 16:52:36,177 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 16:52:36,178 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 16:52:36,178 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 16:52:36,179 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 16:52:36,180 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 16:52:36,180 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 16:52:36,181 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 16:52:36,182 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 16:52:36,183 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 16:52:36,183 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 16:52:36,184 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 16:52:36,184 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 16:52:36,184 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 16:52:36,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 16:52:36,186 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 16:52:36,189 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-12 16:52:36,211 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 16:52:36,211 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 16:52:36,213 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 16:52:36,213 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 16:52:36,213 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 16:52:36,213 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 16:52:36,213 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 16:52:36,214 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 16:52:36,214 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 16:52:36,214 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 16:52:36,214 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 16:52:36,214 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 16:52:36,215 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 16:52:36,215 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 16:52:36,215 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 16:52:36,215 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 16:52:36,215 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 16:52:36,216 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 16:52:36,216 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 16:52:36,216 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 16:52:36,216 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 16:52:36,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 16:52:36,217 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 16:52:36,217 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 16:52:36,217 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 16:52:36,217 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 16:52:36,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 16:52:36,218 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 16:52:36,218 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 16:52:36,218 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 -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 16:52:36,510 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 16:52:36,528 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 16:52:36,534 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 16:52:36,535 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 16:52:36,535 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 16:52:36,536 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product30.cil.c [2020-10-12 16:52:36,590 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/536e9dae7/bbc9594dfead45e99810dc2f8bd20a4c/FLAG44a818062 [2020-10-12 16:52:37,266 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 16:52:37,267 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec3_product30.cil.c [2020-10-12 16:52:37,300 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/536e9dae7/bbc9594dfead45e99810dc2f8bd20a4c/FLAG44a818062 [2020-10-12 16:52:37,428 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/536e9dae7/bbc9594dfead45e99810dc2f8bd20a4c [2020-10-12 16:52:37,436 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 16:52:37,438 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 16:52:37,439 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 16:52:37,439 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 16:52:37,442 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 16:52:37,443 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 04:52:37" (1/1) ... [2020-10-12 16:52:37,446 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@710186eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:52:37, skipping insertion in model container [2020-10-12 16:52:37,446 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 04:52:37" (1/1) ... [2020-10-12 16:52:37,454 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 16:52:37,520 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 16:52:38,232 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 16:52:38,253 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 16:52:38,390 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 16:52:38,457 INFO L208 MainTranslator]: Completed translation [2020-10-12 16:52:38,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:52:38 WrapperNode [2020-10-12 16:52:38,458 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 16:52:38,459 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 16:52:38,459 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 16:52:38,459 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 16:52:38,473 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:52:38" (1/1) ... [2020-10-12 16:52:38,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:52:38" (1/1) ... [2020-10-12 16:52:38,518 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:52:38" (1/1) ... [2020-10-12 16:52:38,518 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:52:38" (1/1) ... [2020-10-12 16:52:38,614 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:52:38" (1/1) ... [2020-10-12 16:52:38,644 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:52:38" (1/1) ... [2020-10-12 16:52:38,661 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:52:38" (1/1) ... [2020-10-12 16:52:38,687 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 16:52:38,691 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 16:52:38,691 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 16:52:38,692 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 16:52:38,693 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:52:38" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 16:52:38,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 16:52:38,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 16:52:38,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 16:52:38,770 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-12 16:52:38,770 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-12 16:52:38,770 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-12 16:52:38,770 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-12 16:52:38,772 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-12 16:52:38,772 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-12 16:52:38,772 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-12 16:52:38,772 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-12 16:52:38,773 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-12 16:52:38,773 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-12 16:52:38,773 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-12 16:52:38,773 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-12 16:52:38,775 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-12 16:52:38,775 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-12 16:52:38,776 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-12 16:52:38,776 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-12 16:52:38,776 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-12 16:52:38,776 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 16:52:38,777 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-12 16:52:38,777 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 16:52:38,777 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-12 16:52:38,777 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-12 16:52:38,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-12 16:52:38,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2020-10-12 16:52:38,779 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 16:52:38,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 16:52:38,779 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-12 16:52:38,780 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-12 16:52:38,780 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-12 16:52:38,780 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-12 16:52:38,780 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-12 16:52:38,780 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-12 16:52:38,781 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2020-10-12 16:52:38,781 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-12 16:52:38,781 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-12 16:52:38,781 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-12 16:52:38,781 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-12 16:52:38,781 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-12 16:52:38,782 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-12 16:52:38,782 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-12 16:52:38,782 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-12 16:52:38,782 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-12 16:52:38,782 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-12 16:52:38,782 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2020-10-12 16:52:38,783 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-12 16:52:38,783 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-12 16:52:38,783 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-12 16:52:38,784 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-12 16:52:38,784 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-12 16:52:38,784 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-12 16:52:38,784 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-12 16:52:38,785 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__twothirdsfull [2020-10-12 16:52:38,785 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-12 16:52:38,785 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__twothirdsfull [2020-10-12 16:52:38,785 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-12 16:52:38,785 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-12 16:52:38,785 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 16:52:38,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 16:52:38,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 16:52:38,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 16:52:38,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 16:52:38,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 16:52:38,787 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 16:52:38,787 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 16:52:38,787 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 16:52:38,787 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 16:52:38,788 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-12 16:52:38,788 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-12 16:52:38,789 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-12 16:52:38,789 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-12 16:52:38,790 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-12 16:52:38,790 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-12 16:52:38,790 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-12 16:52:38,790 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-12 16:52:38,790 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 16:52:38,791 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 16:52:38,791 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-12 16:52:38,791 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-12 16:52:38,791 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-12 16:52:38,791 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-12 16:52:38,791 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-12 16:52:38,792 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-12 16:52:38,792 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-12 16:52:38,792 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-12 16:52:38,793 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-12 16:52:38,793 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-12 16:52:38,793 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-12 16:52:38,793 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-12 16:52:38,794 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-12 16:52:38,794 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-12 16:52:38,794 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-12 16:52:38,794 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-12 16:52:38,794 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-12 16:52:38,794 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-12 16:52:38,795 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-12 16:52:38,795 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-12 16:52:38,795 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-12 16:52:38,795 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-12 16:52:38,795 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-12 16:52:38,796 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-12 16:52:38,796 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 16:52:38,796 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 16:52:38,796 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-12 16:52:38,796 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 16:52:38,797 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 16:52:38,797 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 16:52:38,797 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 16:52:38,797 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-12 16:52:38,797 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-12 16:52:38,797 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-12 16:52:38,798 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 16:52:38,798 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-12 16:52:38,798 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-12 16:52:38,799 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-12 16:52:38,799 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-12 16:52:38,800 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2020-10-12 16:52:38,800 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 16:52:38,800 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-12 16:52:38,800 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-12 16:52:38,801 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-12 16:52:38,802 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-12 16:52:38,802 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-12 16:52:38,802 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-12 16:52:38,803 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-12 16:52:38,806 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-12 16:52:38,806 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-12 16:52:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-12 16:52:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-12 16:52:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-12 16:52:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2020-10-12 16:52:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-12 16:52:38,808 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-12 16:52:38,808 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-12 16:52:38,808 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-12 16:52:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2020-10-12 16:52:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-12 16:52:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-12 16:52:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-12 16:52:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-12 16:52:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-12 16:52:38,817 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-12 16:52:38,817 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__twothirdsfull [2020-10-12 16:52:38,818 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__twothirdsfull [2020-10-12 16:52:38,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 16:52:38,818 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-12 16:52:38,819 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 16:52:38,819 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 16:52:38,819 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 16:52:38,819 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 16:52:38,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 16:52:38,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 16:52:38,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 16:52:38,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 16:52:38,820 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 16:52:38,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 16:52:38,820 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 16:52:38,820 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 16:52:38,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 16:52:38,820 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 16:52:38,820 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 16:52:38,820 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 16:52:38,821 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 16:52:38,821 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-12 16:52:38,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 16:52:38,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 16:52:38,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 16:52:40,860 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 16:52:40,861 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-12 16:52:40,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 04:52:40 BoogieIcfgContainer [2020-10-12 16:52:40,870 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 16:52:40,872 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 16:52:40,872 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 16:52:40,875 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 16:52:40,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 04:52:37" (1/3) ... [2020-10-12 16:52:40,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e283984 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 04:52:40, skipping insertion in model container [2020-10-12 16:52:40,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:52:38" (2/3) ... [2020-10-12 16:52:40,877 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e283984 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 04:52:40, skipping insertion in model container [2020-10-12 16:52:40,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 04:52:40" (3/3) ... [2020-10-12 16:52:40,878 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product30.cil.c [2020-10-12 16:52:40,888 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 16:52:40,897 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 16:52:40,912 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 16:52:40,939 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 16:52:40,939 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 16:52:40,940 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 16:52:40,940 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 16:52:40,940 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 16:52:40,940 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 16:52:40,940 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 16:52:40,940 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 16:52:40,977 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states. [2020-10-12 16:52:40,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-10-12 16:52:40,990 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:52:40,992 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:52:40,992 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:52:40,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:52:40,999 INFO L82 PathProgramCache]: Analyzing trace with hash -517745057, now seen corresponding path program 1 times [2020-10-12 16:52:41,009 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:52:41,009 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2096403031] [2020-10-12 16:52:41,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:52:41,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:41,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:42,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:43,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:44,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:46,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:46,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-12 16:52:46,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 16:52:46,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5071 [2020-10-12 16:52:46,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:46,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 16:52:46,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:52:46,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-12 16:52:46,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 16:52:47,592 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-12 16:52:47,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:52:47,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:47,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:47,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:47,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:52:47,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:52:47,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 188 [2020-10-12 16:52:47,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:47,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:52:47,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:52:47,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 16:52:47,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:52:47,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:52:47,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:47,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:47,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:47,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:52:47,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:52:47,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:52:47,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:47,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:52:47,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:52:47,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:52:47,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:52:47,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:52:47,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:47,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:47,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:47,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:52:47,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:52:47,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:52:47,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:47,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:52:47,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:52:47,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:52:47,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:52:47,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:52:47,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:47,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:47,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:47,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:52:47,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:52:47,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:52:47,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:47,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:52:47,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:52:47,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:52:47,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:52:47,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:52:47,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:47,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:47,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:47,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:52:47,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:52:47,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:52:47,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:47,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:52:47,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:52:47,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:52:47,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:52:48,054 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-12 16:52:48,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:52:48,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:48,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:48,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:48,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 16:52:48,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:52:48,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-12 16:52:48,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:48,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:52:48,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:52:48,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 16:52:48,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:52:48,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:52:48,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:48,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:48,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:48,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:52:48,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:52:48,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 16:52:48,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:48,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:52:48,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:52:48,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:52:48,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:52:48,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 16:52:48,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:48,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:48,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:48,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:48,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:48,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 16:52:48,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:52:48,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 360 [2020-10-12 16:52:48,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:48,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:52:48,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 16:52:48,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 16:52:48,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:52:48,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:52:48,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:48,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:48,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:48,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:52:48,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:52:48,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:52:48,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:48,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:52:48,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:52:48,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:52:48,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:52:48,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 16:52:48,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:48,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:48,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:48,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:48,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:52:48,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:52:48,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-12 16:52:48,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:48,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:52:48,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:52:48,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:52:48,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 16:52:48,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:52:48,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:48,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:48,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:48,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:52:48,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:52:48,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 16:52:48,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:48,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:52:48,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:52:48,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:52:48,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:52:48,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 16:52:48,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:48,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:48,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:48,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 16:52:48,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:52:48,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 16:52:48,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:48,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:52:48,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:52:48,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 16:52:48,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:52:48,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:52:48,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:48,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:48,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:48,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:52:48,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:52:48,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:52:48,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:48,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:52:48,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:52:48,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:52:48,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:52:48,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:52:48,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:48,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:48,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:48,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:52:48,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:52:48,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:52:48,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:48,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:52:48,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:52:48,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:52:48,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:52:48,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 16:52:48,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:48,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:48,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:48,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:52:48,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:52:48,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:52:48,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:48,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:52:48,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:52:48,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:52:48,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:52:48,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 16:52:48,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:48,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:48,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:48,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:52:48,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:52:48,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:52:48,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:48,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:52:48,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:52:48,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:52:48,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:52:49,050 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-12 16:52:49,051 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2096403031] [2020-10-12 16:52:49,053 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 16:52:49,054 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-12 16:52:49,054 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928545086] [2020-10-12 16:52:49,059 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-12 16:52:49,060 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:52:49,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-12 16:52:49,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2020-10-12 16:52:49,076 INFO L87 Difference]: Start difference. First operand 828 states. Second operand 15 states. [2020-10-12 16:52:50,816 WARN L193 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-12 16:52:51,304 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 16:52:52,265 WARN L193 SmtUtils]: Spent 696.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:52:53,051 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:52:53,815 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:52:54,683 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:52:55,448 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:52:56,264 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:52:57,100 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-12 16:52:58,013 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:52:59,312 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-12 16:53:00,743 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-12 16:53:10,077 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-12 16:53:19,949 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:53:20,848 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:53:21,631 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:53:22,441 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:53:23,234 WARN L193 SmtUtils]: Spent 714.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:53:24,028 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-12 16:53:24,815 WARN L193 SmtUtils]: Spent 678.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:53:25,628 WARN L193 SmtUtils]: Spent 678.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-12 16:53:42,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:53:42,086 INFO L93 Difference]: Finished difference Result 2447 states and 4284 transitions. [2020-10-12 16:53:42,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-10-12 16:53:42,088 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 93 [2020-10-12 16:53:42,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:53:42,137 INFO L225 Difference]: With dead ends: 2447 [2020-10-12 16:53:42,138 INFO L226 Difference]: Without dead ends: 1771 [2020-10-12 16:53:42,152 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 898 ImplicationChecksByTransitivity, 14.9s TimeCoverageRelationStatistics Valid=545, Invalid=2647, Unknown=0, NotChecked=0, Total=3192 [2020-10-12 16:53:42,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1771 states. [2020-10-12 16:53:42,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1771 to 1237. [2020-10-12 16:53:42,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1237 states. [2020-10-12 16:53:42,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1237 states to 1237 states and 1990 transitions. [2020-10-12 16:53:42,652 INFO L78 Accepts]: Start accepts. Automaton has 1237 states and 1990 transitions. Word has length 93 [2020-10-12 16:53:42,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:53:42,653 INFO L479 AbstractCegarLoop]: Abstraction has 1237 states and 1990 transitions. [2020-10-12 16:53:42,653 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-12 16:53:42,653 INFO L276 IsEmpty]: Start isEmpty. Operand 1237 states and 1990 transitions. [2020-10-12 16:53:42,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-10-12 16:53:42,663 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:53:42,664 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:53:42,664 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 16:53:42,664 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:53:42,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:53:42,665 INFO L82 PathProgramCache]: Analyzing trace with hash 1845480738, now seen corresponding path program 1 times [2020-10-12 16:53:42,665 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:53:42,665 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [334412188] [2020-10-12 16:53:42,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:53:42,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:53:42,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:53:42,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:53:43,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:53:43,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:53:44,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:53:47,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:53:47,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-12 16:53:47,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 16:53:47,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5078 [2020-10-12 16:53:47,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:53:47,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 16:53:47,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:53:47,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-12 16:53:47,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:53:48,769 WARN L193 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-12 16:53:48,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:53:48,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:53:48,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:53:48,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:53:48,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:53:48,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:53:48,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 147 [2020-10-12 16:53:48,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:53:48,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:53:48,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:53:48,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 16:53:48,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:53:48,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:53:48,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:53:48,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:53:48,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:53:48,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:53:48,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:53:48,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:53:48,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:53:48,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:53:48,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:53:48,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:53:48,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:53:48,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:53:48,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:53:48,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:53:48,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:53:48,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:53:48,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:53:48,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:53:48,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:53:48,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:53:48,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:53:48,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:53:48,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:53:49,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:53:49,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:53:49,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:53:49,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:53:49,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:53:49,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:53:49,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:53:49,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:53:49,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:53:49,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:53:49,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:53:49,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:53:49,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:53:49,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:53:49,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:53:49,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:53:49,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:53:49,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:53:49,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:53:49,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:53:49,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:53:49,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:53:49,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:53:49,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:53:49,160 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-12 16:53:49,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:53:49,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:53:49,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:53:49,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:53:49,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 16:53:49,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:53:49,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-12 16:53:49,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:53:49,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:53:49,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:53:49,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 16:53:49,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:53:49,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:53:49,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:53:49,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:53:49,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:53:49,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:53:49,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:53:49,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 16:53:49,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:53:49,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:53:49,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:53:49,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:53:49,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:53:49,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 16:53:49,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:53:49,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:53:49,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:53:49,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:53:49,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:53:49,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:53:49,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:53:49,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-12 16:53:49,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 16:53:49,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 636 [2020-10-12 16:53:49,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:53:49,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:53:49,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 16:53:49,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 16:53:49,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:53:50,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:53:50,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:53:50,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:53:50,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:53:50,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:53:50,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:53:50,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:53:50,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:53:50,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 16:53:50,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:53:50,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:53:50,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:53:50,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:53:50,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:53:50,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 16:53:50,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:53:50,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:53:50,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:53:50,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:53:50,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:53:50,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:53:50,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-12 16:53:50,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:53:50,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:53:50,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:53:50,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:53:50,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:53:50,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:53:50,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:53:50,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:53:50,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:53:50,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:53:50,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:53:50,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 16:53:50,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:53:50,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:53:50,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:53:50,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:53:50,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:53:50,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 16:53:50,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:53:50,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:53:50,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:53:50,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 16:53:50,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:53:50,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 16:53:50,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:53:50,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:53:50,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:53:50,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 16:53:50,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:53:50,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:53:50,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:53:50,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:53:50,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:53:50,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:53:50,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:53:50,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:53:50,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:53:50,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:53:50,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:53:50,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:53:50,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:53:50,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:53:50,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:53:50,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:53:50,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:53:50,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:53:50,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:53:50,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:53:50,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:53:50,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:53:50,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:53:50,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:53:50,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:53:50,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-12 16:53:50,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:53:50,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:53:50,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:53:50,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:53:50,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:53:50,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:53:50,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:53:50,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:53:50,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:53:50,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:53:50,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:53:50,563 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-12 16:53:50,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 16:53:50,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:53:50,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:53:50,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:53:50,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:53:51,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:53:51,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-12 16:53:51,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:53:51,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 700 [2020-10-12 16:53:51,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:53:51,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:53:51,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-12 16:53:51,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 16:53:51,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:53:51,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:53:51,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:53:51,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:53:51,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:53:51,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 16:53:51,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:53:51,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 16:53:51,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:53:51,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:53:51,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:53:51,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:53:51,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:53:51,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 16:53:51,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:53:51,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:53:51,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:53:51,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:53:51,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:53:51,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:53:51,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:53:51,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:53:51,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:53:51,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:53:51,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:53:51,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 16:53:51,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:53:51,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:53:51,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:53:51,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:53:51,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:53:51,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:53:51,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:53:51,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:53:51,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:53:51,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:53:51,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:53:51,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 16:53:51,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:53:51,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:53:51,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:53:51,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 16:53:51,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:53:51,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-12 16:53:51,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:53:51,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:53:51,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:53:51,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-12 16:53:51,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:53:51,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:53:51,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:53:51,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:53:51,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:53:51,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:53:51,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:53:51,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:53:51,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:53:51,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:53:51,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:53:51,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:53:51,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:53:51,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 16:53:51,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:53:51,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:53:51,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:53:51,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:53:51,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:53:51,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:53:51,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:53:51,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:53:51,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:53:51,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:53:51,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:53:51,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 16:53:51,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:53:51,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:53:51,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:53:51,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 16:53:51,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:53:51,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:53:51,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:53:51,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:53:51,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 16:53:51,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:53:51,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:53:51,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-12 16:53:51,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:53:51,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:53:51,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:53:51,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:53:51,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:53:51,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:53:51,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:53:51,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:53:51,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:53:51,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:53:51,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:53:51,751 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-12 16:53:51,751 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [334412188] [2020-10-12 16:53:51,752 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 16:53:51,752 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2020-10-12 16:53:51,753 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569825800] [2020-10-12 16:53:51,755 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-12 16:53:51,755 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:53:51,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-12 16:53:51,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=538, Unknown=0, NotChecked=0, Total=600 [2020-10-12 16:53:51,756 INFO L87 Difference]: Start difference. First operand 1237 states and 1990 transitions. Second operand 25 states. [2020-10-12 16:53:54,221 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-12 16:53:55,601 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:53:56,440 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:53:57,207 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:53:58,039 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:53:58,818 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:53:59,679 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:54:00,730 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-12 16:54:02,164 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-12 16:54:04,561 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 391 DAG size of output: 389 [2020-10-12 16:54:04,796 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-12 16:54:05,003 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-12 16:54:05,718 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-12 16:54:07,680 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:54:09,018 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-12 16:54:10,095 WARN L193 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-12 16:54:10,932 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-12 16:54:11,438 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-12 16:54:17,829 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:54:20,468 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-12 16:54:24,048 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-12 16:54:25,111 WARN L193 SmtUtils]: Spent 745.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-12 16:54:25,979 WARN L193 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-12 16:54:29,613 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:54:30,479 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:54:31,261 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:54:32,092 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:54:32,892 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:54:33,781 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:54:34,784 WARN L193 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:54:40,579 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-12 16:54:40,755 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 16:54:42,798 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-12 16:54:43,223 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-12 16:54:51,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:54:51,943 INFO L93 Difference]: Finished difference Result 3659 states and 6313 transitions. [2020-10-12 16:54:51,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2020-10-12 16:54:51,944 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 143 [2020-10-12 16:54:51,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:54:51,966 INFO L225 Difference]: With dead ends: 3659 [2020-10-12 16:54:51,966 INFO L226 Difference]: Without dead ends: 2454 [2020-10-12 16:54:51,976 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2445 ImplicationChecksByTransitivity, 22.8s TimeCoverageRelationStatistics Valid=1030, Invalid=7160, Unknown=0, NotChecked=0, Total=8190 [2020-10-12 16:54:51,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2454 states. [2020-10-12 16:54:52,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2454 to 1820. [2020-10-12 16:54:52,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1820 states. [2020-10-12 16:54:52,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1820 states to 1820 states and 2897 transitions. [2020-10-12 16:54:52,378 INFO L78 Accepts]: Start accepts. Automaton has 1820 states and 2897 transitions. Word has length 143 [2020-10-12 16:54:52,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:54:52,379 INFO L479 AbstractCegarLoop]: Abstraction has 1820 states and 2897 transitions. [2020-10-12 16:54:52,379 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-12 16:54:52,379 INFO L276 IsEmpty]: Start isEmpty. Operand 1820 states and 2897 transitions. [2020-10-12 16:54:52,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-12 16:54:52,383 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:54:52,384 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:54:52,384 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 16:54:52,384 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:54:52,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:54:52,385 INFO L82 PathProgramCache]: Analyzing trace with hash -471080889, now seen corresponding path program 1 times [2020-10-12 16:54:52,385 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:54:52,385 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1321905383] [2020-10-12 16:54:52,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:54:52,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:54:52,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:52,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:52,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:52,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:53,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:57,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:54:57,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 210 [2020-10-12 16:54:57,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 16:54:57,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-12 16:54:57,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:54:57,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 16:54:57,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:54:57,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-12 16:54:57,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:54:58,257 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-12 16:54:58,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:54:58,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:54:58,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:58,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:54:58,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:54:58,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:54:58,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-12 16:54:58,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:54:58,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:54:58,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:54:58,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 16:54:58,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:54:58,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:54:58,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:54:58,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:58,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:54:58,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:54:58,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:54:58,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:54:58,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:54:58,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:54:58,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:54:58,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:54:58,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:54:58,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:54:58,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:54:58,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:58,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:54:58,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:54:58,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:54:58,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:54:58,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:54:58,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:54:58,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:54:58,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:54:58,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:54:58,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:54:58,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:54:58,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:58,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:54:58,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:54:58,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:54:58,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:54:58,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:54:58,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:54:58,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:54:58,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:54:58,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:54:58,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:54:58,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:54:58,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:58,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:54:58,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:54:58,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:54:58,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:54:58,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:54:58,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:54:58,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:54:58,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:54:58,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:54:58,641 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-12 16:54:58,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:54:58,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:54:58,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:58,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:54:58,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 16:54:58,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:54:58,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-12 16:54:58,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:54:58,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:54:58,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:54:58,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 16:54:58,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:54:58,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:54:58,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:54:58,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:58,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:54:58,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:54:58,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:54:58,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:54:58,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:54:58,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:54:58,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:54:58,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:54:58,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:54:58,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 16:54:58,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:54:58,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:58,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:58,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:58,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:59,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:59,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:54:59,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 16:54:59,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 16:54:59,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 708 [2020-10-12 16:54:59,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:54:59,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:54:59,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-12 16:54:59,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 16:54:59,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:54:59,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:54:59,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:54:59,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:59,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:59,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:59,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:54:59,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 16:54:59,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:54:59,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 16:54:59,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:54:59,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:54:59,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:54:59,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 16:54:59,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:54:59,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:54:59,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:54:59,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:59,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:59,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:54:59,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:54:59,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:54:59,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-12 16:54:59,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:54:59,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:54:59,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:54:59,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:54:59,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:54:59,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:54:59,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:54:59,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:59,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:54:59,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:54:59,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:54:59,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:54:59,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:54:59,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:54:59,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:54:59,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:54:59,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:54:59,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 16:54:59,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:54:59,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:59,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:54:59,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 16:54:59,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:54:59,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 16:54:59,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:54:59,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:54:59,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:54:59,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 16:54:59,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:54:59,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:54:59,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:54:59,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:59,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:54:59,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:54:59,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:54:59,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:54:59,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:54:59,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:54:59,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:54:59,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:54:59,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:54:59,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:54:59,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:54:59,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:59,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:54:59,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:54:59,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:54:59,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:54:59,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:54:59,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:54:59,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:54:59,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:54:59,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:54:59,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 16:54:59,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:54:59,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:59,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:54:59,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:54:59,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:54:59,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:54:59,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:54:59,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:54:59,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:54:59,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:54:59,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:55:00,058 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-12 16:55:00,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-12 16:55:00,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:55:00,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:55:00,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:55:00,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:55:00,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:55:00,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-10-12 16:55:00,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:55:00,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 557 [2020-10-12 16:55:00,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:55:00,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:55:00,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-12 16:55:00,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 16:55:00,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:55:00,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:55:00,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:55:00,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:55:00,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:55:00,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 16:55:00,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:55:00,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:55:00,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:55:00,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:55:00,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:55:00,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:55:00,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:55:00,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 16:55:00,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:55:00,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:55:00,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:55:00,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:55:00,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:55:00,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:55:00,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:55:00,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:55:00,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:55:00,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:55:00,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:55:00,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 16:55:00,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:55:00,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:55:00,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:55:00,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:55:00,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:55:00,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:55:00,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:55:00,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:55:00,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:55:00,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:55:00,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:55:00,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 16:55:00,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:55:00,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:55:00,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:55:00,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 16:55:00,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:55:00,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-12 16:55:00,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:55:00,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:55:00,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:55:00,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 16:55:00,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:55:00,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:55:00,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:55:00,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:55:00,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:55:00,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:55:00,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:55:00,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:55:00,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:55:00,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:55:00,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:55:00,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:55:00,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:55:00,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:55:00,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:55:00,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:55:00,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:55:00,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:55:00,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:55:00,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:55:00,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:55:00,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:55:00,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:55:00,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:55:00,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:55:00,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 16:55:00,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:55:00,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:55:00,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:55:00,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 16:55:00,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:55:00,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:55:00,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:55:00,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:55:00,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 16:55:00,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:55:00,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:55:00,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-12 16:55:00,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:55:00,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:55:00,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:55:00,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:55:00,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:55:00,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:55:00,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:55:00,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:55:00,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:55:00,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:55:00,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:55:00,963 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-12 16:55:00,964 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1321905383] [2020-10-12 16:55:00,964 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 16:55:00,964 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2020-10-12 16:55:00,964 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213491175] [2020-10-12 16:55:00,965 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-12 16:55:00,965 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:55:00,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-12 16:55:00,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=448, Unknown=0, NotChecked=0, Total=506 [2020-10-12 16:55:00,966 INFO L87 Difference]: Start difference. First operand 1820 states and 2897 transitions. Second operand 23 states. [2020-10-12 16:55:03,115 WARN L193 SmtUtils]: Spent 679.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-12 16:55:04,513 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-12 16:55:05,398 WARN L193 SmtUtils]: Spent 729.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:55:06,264 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:55:07,056 WARN L193 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:55:07,901 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:55:08,796 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-12 16:55:09,746 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:55:11,127 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-10-12 16:55:12,676 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-12 16:55:14,486 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:55:15,023 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 16:55:16,290 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:55:17,344 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:55:18,118 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-10-12 16:55:18,567 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-10-12 16:55:26,918 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-12 16:55:30,499 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-12 16:55:31,567 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:55:32,636 WARN L193 SmtUtils]: Spent 696.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:55:39,416 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:55:40,308 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:55:41,101 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:55:41,842 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:55:42,635 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-12 16:55:43,448 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:55:44,290 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:55:47,706 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:55:48,513 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:55:49,343 WARN L193 SmtUtils]: Spent 681.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:55:49,730 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-12 16:55:49,949 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-12 16:55:54,965 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-12 16:55:57,974 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-12 16:56:02,985 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:56:03,993 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:56:10,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:56:10,135 INFO L93 Difference]: Finished difference Result 4330 states and 7396 transitions. [2020-10-12 16:56:10,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2020-10-12 16:56:10,136 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 146 [2020-10-12 16:56:10,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:56:10,156 INFO L225 Difference]: With dead ends: 4330 [2020-10-12 16:56:10,156 INFO L226 Difference]: Without dead ends: 2534 [2020-10-12 16:56:10,167 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2127 ImplicationChecksByTransitivity, 23.7s TimeCoverageRelationStatistics Valid=1145, Invalid=5827, Unknown=0, NotChecked=0, Total=6972 [2020-10-12 16:56:10,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2534 states. [2020-10-12 16:56:10,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2534 to 1822. [2020-10-12 16:56:10,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1822 states. [2020-10-12 16:56:10,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1822 states to 1822 states and 2895 transitions. [2020-10-12 16:56:10,575 INFO L78 Accepts]: Start accepts. Automaton has 1822 states and 2895 transitions. Word has length 146 [2020-10-12 16:56:10,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:56:10,576 INFO L479 AbstractCegarLoop]: Abstraction has 1822 states and 2895 transitions. [2020-10-12 16:56:10,576 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-12 16:56:10,576 INFO L276 IsEmpty]: Start isEmpty. Operand 1822 states and 2895 transitions. [2020-10-12 16:56:10,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-12 16:56:10,584 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:56:10,584 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:56:10,585 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 16:56:10,585 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:56:10,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:56:10,585 INFO L82 PathProgramCache]: Analyzing trace with hash -1623923999, now seen corresponding path program 1 times [2020-10-12 16:56:10,586 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:56:10,587 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1169355811] [2020-10-12 16:56:10,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:56:10,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:10,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:10,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:10,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:10,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:11,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:15,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:15,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:15,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:15,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-10-12 16:56:15,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 16:56:15,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5076 [2020-10-12 16:56:15,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:15,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 16:56:15,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:56:15,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-12 16:56:15,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:16,774 WARN L193 SmtUtils]: Spent 948.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-12 16:56:16,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:56:16,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:16,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:16,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:16,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:56:16,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:56:16,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-12 16:56:16,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:16,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:56:16,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:56:16,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 16:56:16,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:16,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:56:16,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:16,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:16,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:16,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:56:16,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:56:16,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:56:16,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:16,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:56:16,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:56:16,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:56:16,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:16,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:56:16,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:16,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:16,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:16,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:56:16,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:56:16,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:56:16,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:16,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:56:16,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:56:16,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:56:16,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:16,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:56:16,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:16,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:16,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:16,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:56:16,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:56:16,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:56:16,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:16,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:56:16,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:56:16,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:56:16,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:16,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:56:16,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:16,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:16,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:16,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:56:16,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:56:16,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:56:16,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:16,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:56:16,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:56:16,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:56:16,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:17,079 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-12 16:56:17,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:56:17,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:17,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:17,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:17,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 16:56:17,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:56:17,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-12 16:56:17,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:17,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:56:17,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:56:17,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 16:56:17,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:17,264 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-12 16:56:17,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:56:17,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:17,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:17,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:17,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:56:17,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:56:17,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:56:17,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:17,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:56:17,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:56:17,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:56:17,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:17,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 16:56:17,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:17,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:17,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:17,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:17,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:17,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:17,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:17,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-12 16:56:17,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 16:56:17,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 511 [2020-10-12 16:56:17,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:17,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:56:17,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:56:17,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 16:56:17,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:17,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:56:17,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:17,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:17,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:17,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:17,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:17,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 16:56:17,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:56:17,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 16:56:17,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:17,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:56:17,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:56:17,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 16:56:17,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:18,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 16:56:18,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:18,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:18,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:18,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:18,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:56:18,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:56:18,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-12 16:56:18,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:18,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:56:18,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:56:18,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:56:18,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:18,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:56:18,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:18,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:18,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:18,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:56:18,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:56:18,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 16:56:18,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:18,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:56:18,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:56:18,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:56:18,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:18,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-12 16:56:18,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:18,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:18,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:18,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 16:56:18,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:56:18,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:56:18,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:18,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:56:18,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:56:18,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 16:56:18,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:18,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:56:18,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:18,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:18,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:18,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:56:18,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:56:18,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:56:18,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:18,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:56:18,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:56:18,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:56:18,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:18,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:56:18,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:18,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:18,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:18,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:56:18,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:56:18,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:56:18,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:18,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:56:18,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:56:18,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:56:18,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:18,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 16:56:18,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:18,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:18,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:18,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:56:18,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:56:18,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:56:18,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:18,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:56:18,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:56:18,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:56:18,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:18,808 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-12 16:56:18,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 16:56:18,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:18,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:18,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:19,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:19,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:20,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:20,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-10-12 16:56:20,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 16:56:20,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1708 [2020-10-12 16:56:20,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:20,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:56:20,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-12 16:56:20,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 16:56:20,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0