/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=NARROWEST --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_spec1_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 11:24:47,707 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 11:24:47,710 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 11:24:47,750 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 11:24:47,751 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 11:24:47,758 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 11:24:47,760 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 11:24:47,763 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 11:24:47,765 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 11:24:47,768 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 11:24:47,769 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 11:24:47,770 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 11:24:47,770 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 11:24:47,772 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 11:24:47,774 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 11:24:47,776 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 11:24:47,777 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 11:24:47,778 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 11:24:47,779 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 11:24:47,787 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 11:24:47,789 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 11:24:47,790 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 11:24:47,790 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 11:24:47,791 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 11:24:47,803 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 11:24:47,803 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 11:24:47,804 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 11:24:47,804 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 11:24:47,805 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 11:24:47,806 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 11:24:47,806 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 11:24:47,806 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 11:24:47,807 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 11:24:47,808 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 11:24:47,809 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 11:24:47,809 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 11:24:47,809 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 11:24:47,809 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 11:24:47,810 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 11:24:47,810 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 11:24:47,811 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 11:24:47,812 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 [2020-10-13 11:24:47,833 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 11:24:47,833 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 11:24:47,834 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 11:24:47,835 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 11:24:47,835 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 11:24:47,835 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 11:24:47,835 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 11:24:47,835 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 11:24:47,836 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 11:24:47,836 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 11:24:47,837 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 11:24:47,837 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 11:24:47,837 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 11:24:47,838 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 11:24:47,838 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 11:24:47,838 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 11:24:47,838 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 11:24:47,838 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 11:24:47,839 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 11:24:47,839 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 11:24:47,839 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 11:24:47,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 11:24:47,839 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 11:24:47,840 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 11:24:47,840 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 11:24:47,840 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 11:24:47,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 11:24:47,840 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 11:24:47,841 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 11:24:47,841 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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 11:24:48,122 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 11:24:48,134 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 11:24:48,137 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 11:24:48,139 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 11:24:48,139 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 11:24:48,140 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec1_product26.cil.c [2020-10-13 11:24:48,199 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0d5a78d21/a867c55b46d047798d463a22ebaf2b51/FLAG054a981aa [2020-10-13 11:24:48,837 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 11:24:48,837 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec1_product26.cil.c [2020-10-13 11:24:48,859 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0d5a78d21/a867c55b46d047798d463a22ebaf2b51/FLAG054a981aa [2020-10-13 11:24:48,975 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0d5a78d21/a867c55b46d047798d463a22ebaf2b51 [2020-10-13 11:24:48,984 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 11:24:48,986 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 11:24:48,988 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 11:24:48,988 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 11:24:48,993 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 11:24:48,994 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:24:48" (1/1) ... [2020-10-13 11:24:48,997 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20abf48c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:24:48, skipping insertion in model container [2020-10-13 11:24:48,997 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:24:48" (1/1) ... [2020-10-13 11:24:49,006 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 11:24:49,077 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 11:24:49,706 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:24:49,718 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 11:24:49,882 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:24:49,960 INFO L208 MainTranslator]: Completed translation [2020-10-13 11:24:49,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:24:49 WrapperNode [2020-10-13 11:24:49,961 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 11:24:49,962 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 11:24:49,962 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 11:24:49,963 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 11:24:49,973 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:24:49" (1/1) ... [2020-10-13 11:24:49,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:24:49" (1/1) ... [2020-10-13 11:24:50,007 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:24:49" (1/1) ... [2020-10-13 11:24:50,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:24:49" (1/1) ... [2020-10-13 11:24:50,070 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:24:49" (1/1) ... [2020-10-13 11:24:50,102 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:24:49" (1/1) ... [2020-10-13 11:24:50,113 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:24:49" (1/1) ... [2020-10-13 11:24:50,129 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 11:24:50,129 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 11:24:50,130 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 11:24:50,130 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 11:24:50,131 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:24:49" (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 [2020-10-13 11:24:50,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 11:24:50,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 11:24:50,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 11:24:50,224 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 11:24:50,225 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-13 11:24:50,225 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-13 11:24:50,225 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-13 11:24:50,226 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-13 11:24:50,226 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-13 11:24:50,227 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-13 11:24:50,227 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2020-10-13 11:24:50,227 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-13 11:24:50,227 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-13 11:24:50,227 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-13 11:24:50,228 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-13 11:24:50,229 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-13 11:24:50,229 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-13 11:24:50,229 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-13 11:24:50,229 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-13 11:24:50,230 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-13 11:24:50,230 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-13 11:24:50,230 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-13 11:24:50,231 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-13 11:24:50,231 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-13 11:24:50,231 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-13 11:24:50,232 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-13 11:24:50,232 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-13 11:24:50,232 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__empty [2020-10-13 11:24:50,232 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 11:24:50,233 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__empty [2020-10-13 11:24:50,233 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-13 11:24:50,233 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-13 11:24:50,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 11:24:50,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 11:24:50,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 11:24:50,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 11:24:50,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 11:24:50,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 11:24:50,235 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 11:24:50,235 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 11:24:50,235 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 11:24:50,235 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 11:24:50,235 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-13 11:24:50,235 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-13 11:24:50,236 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-13 11:24:50,236 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-13 11:24:50,236 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-13 11:24:50,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-13 11:24:50,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__2 [2020-10-13 11:24:50,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__3 [2020-10-13 11:24:50,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__4 [2020-10-13 11:24:50,237 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-13 11:24:50,237 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-13 11:24:50,238 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-13 11:24:50,238 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-13 11:24:50,238 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-13 11:24:50,238 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-13 11:24:50,238 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-13 11:24:50,238 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-13 11:24:50,239 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 11:24:50,239 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-13 11:24:50,239 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-13 11:24:50,239 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-13 11:24:50,240 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 11:24:50,240 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-13 11:24:50,240 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 11:24:50,240 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 11:24:50,241 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 11:24:50,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 11:24:50,241 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-13 11:24:50,242 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-13 11:24:50,242 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-13 11:24:50,243 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-13 11:24:50,243 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-13 11:24:50,244 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-13 11:24:50,244 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-13 11:24:50,244 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-13 11:24:50,244 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 11:24:50,244 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 11:24:50,244 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-13 11:24:50,245 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-13 11:24:50,245 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 11:24:50,245 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 11:24:50,245 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 11:24:50,245 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-13 11:24:50,245 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-13 11:24:50,246 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-13 11:24:50,246 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-13 11:24:50,247 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-13 11:24:50,247 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-13 11:24:50,247 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-13 11:24:50,247 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-13 11:24:50,247 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-13 11:24:50,247 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 11:24:50,248 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-13 11:24:50,248 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-13 11:24:50,248 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-13 11:24:50,248 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-13 11:24:50,248 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-13 11:24:50,248 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-13 11:24:50,249 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-13 11:24:50,249 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-13 11:24:50,249 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-13 11:24:50,249 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-13 11:24:50,249 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-13 11:24:50,250 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-13 11:24:50,250 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2020-10-13 11:24:50,250 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-13 11:24:50,250 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-13 11:24:50,250 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-13 11:24:50,250 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-13 11:24:50,251 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-13 11:24:50,251 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-13 11:24:50,251 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-13 11:24:50,251 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-13 11:24:50,251 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-13 11:24:50,252 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-13 11:24:50,252 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__empty [2020-10-13 11:24:50,253 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__3 [2020-10-13 11:24:50,253 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__empty [2020-10-13 11:24:50,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 11:24:50,254 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-13 11:24:50,254 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 11:24:50,255 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 11:24:50,255 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 11:24:50,256 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 11:24:50,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 11:24:50,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 11:24:50,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 11:24:50,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 11:24:50,260 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 11:24:50,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 11:24:50,261 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 11:24:50,261 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 11:24:50,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 11:24:50,262 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 11:24:50,262 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 11:24:50,262 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 11:24:50,262 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 11:24:50,263 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 11:24:50,263 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 11:24:50,263 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 11:24:50,263 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-13 11:24:50,271 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-13 11:24:50,271 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-13 11:24:50,271 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-13 11:24:50,272 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 11:24:50,272 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-13 11:24:50,272 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__2 [2020-10-13 11:24:50,272 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__4 [2020-10-13 11:24:50,272 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 11:24:50,273 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-13 11:24:50,273 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-13 11:24:50,273 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-13 11:24:50,274 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-13 11:24:50,274 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-13 11:24:50,274 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-13 11:24:50,274 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-13 11:24:50,274 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-13 11:24:50,274 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-13 11:24:50,275 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 11:24:50,275 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-13 11:24:50,275 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 11:24:50,275 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 11:24:50,275 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 11:24:50,275 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-13 11:24:50,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 11:24:50,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 11:24:50,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 11:24:52,367 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 11:24:52,367 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-13 11:24:52,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:24:52 BoogieIcfgContainer [2020-10-13 11:24:52,377 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 11:24:52,378 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 11:24:52,379 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 11:24:52,382 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 11:24:52,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:24:48" (1/3) ... [2020-10-13 11:24:52,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17234102 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:24:52, skipping insertion in model container [2020-10-13 11:24:52,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:24:49" (2/3) ... [2020-10-13 11:24:52,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17234102 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:24:52, skipping insertion in model container [2020-10-13 11:24:52,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:24:52" (3/3) ... [2020-10-13 11:24:52,393 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product26.cil.c [2020-10-13 11:24:52,404 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 11:24:52,415 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 11:24:52,429 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 11:24:52,461 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 11:24:52,462 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 11:24:52,462 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 11:24:52,462 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 11:24:52,462 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 11:24:52,462 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 11:24:52,462 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 11:24:52,462 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 11:24:52,509 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states. [2020-10-13 11:24:52,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-13 11:24:52,541 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:24:52,542 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:24:52,543 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:24:52,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:24:52,550 INFO L82 PathProgramCache]: Analyzing trace with hash 1704372100, now seen corresponding path program 1 times [2020-10-13 11:24:52,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:24:52,559 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [977089488] [2020-10-13 11:24:52,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:24:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:53,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:53,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:53,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:53,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:54,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:55,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:56,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:58,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:58,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-13 11:24:58,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:24:58,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5100 [2020-10-13 11:24:58,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:58,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:24:58,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-10-13 11:24:58,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:24:58,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 11:24:59,269 WARN L193 SmtUtils]: Spent 908.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-13 11:24:59,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:24:59,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:59,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:59,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:59,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:24:59,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:59,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-13 11:24:59,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:59,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:59,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:59,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:59,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:24:59,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:24:59,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:59,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:59,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:59,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:24:59,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:59,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:24:59,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:59,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:59,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:59,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:59,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:24:59,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:24:59,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:59,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:59,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:59,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:24:59,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:59,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:24:59,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:59,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:59,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:59,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:59,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-13 11:24:59,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:24:59,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:59,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:59,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:59,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:24:59,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:59,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:24:59,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:59,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:59,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:59,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:59,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:59,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:24:59,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:59,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:59,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:59,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:24:59,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:59,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:24:59,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:59,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:59,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:59,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:59,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:59,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:24:59,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:59,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:59,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:59,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:24:59,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:59,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:24:59,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:59,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:59,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:59,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:59,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:59,661 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:24:59,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:24:59,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:59,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:59,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:59,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:59,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:59,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:59,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:00,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:02,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:03,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:03,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:04,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:04,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-13 11:25:04,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-13 11:25:04,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-13 11:25:04,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:04,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:25:04,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:25:04,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:25:04,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:04,917 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:25:04,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:25:04,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:04,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:04,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:05,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:05,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:05,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:05,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:05,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-13 11:25:05,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:25:05,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 945 [2020-10-13 11:25:05,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:05,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:25:05,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:25:05,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:25:05,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:05,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:25:05,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:05,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:05,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:05,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:25:05,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:05,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:25:05,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:05,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:25:05,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:25:05,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:25:05,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:05,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:25:05,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:05,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:05,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:05,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:05,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:25:05,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:25:05,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-13 11:25:05,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:05,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:05,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 11:25:05,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:05,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:25:06,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:25:06,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:06,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:06,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:06,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:25:06,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:06,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:25:06,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:06,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:06,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:06,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:06,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:25:06,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:25:06,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:06,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:06,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:06,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:25:06,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:06,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:25:06,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:06,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:06,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:06,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:06,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:25:06,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:25:06,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:06,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:06,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:06,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:06,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:06,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:07,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:07,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:07,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-13 11:25:07,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:25:07,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1529 [2020-10-13 11:25:07,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:07,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:07,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-13 11:25:07,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:07,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:07,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:25:07,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:07,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:07,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:07,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:07,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:25:07,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:25:07,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:25:07,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:07,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:07,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:07,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:07,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:07,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:25:07,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:07,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:07,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:07,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:07,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:25:07,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:25:07,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-13 11:25:07,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:07,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:07,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:07,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:07,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:07,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:25:07,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:07,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:07,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:07,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:25:07,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:07,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:25:07,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:07,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:07,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:07,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:07,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:07,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:25:07,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:07,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:07,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:07,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:25:07,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:07,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:25:07,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:07,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:07,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:07,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:07,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:07,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-13 11:25:07,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:07,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:07,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:07,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:07,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-13 11:25:07,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:25:07,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-13 11:25:07,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:07,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:07,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-13 11:25:07,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:07,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:07,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:25:07,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:07,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:07,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:07,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:25:07,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:07,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 11:25:07,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:07,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:07,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:07,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:07,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:25:07,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:25:07,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:07,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:07,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:07,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:25:07,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:07,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:25:07,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:07,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:07,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:07,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:07,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:07,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:25:07,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:07,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:07,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:07,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:25:07,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:07,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:25:07,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:07,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:07,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:07,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:07,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:25:07,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:25:07,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:07,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:07,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:07,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:25:07,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:07,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:25:07,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:07,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:07,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:07,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:07,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 11:25:07,997 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-13 11:25:07,998 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [977089488] [2020-10-13 11:25:08,000 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 11:25:08,001 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 11:25:08,002 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326774839] [2020-10-13 11:25:08,010 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:25:08,010 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:25:08,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:25:08,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:25:08,028 INFO L87 Difference]: Start difference. First operand 775 states. Second operand 9 states. [2020-10-13 11:25:10,074 WARN L193 SmtUtils]: Spent 771.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:25:10,802 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-13 11:25:27,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:25:27,724 INFO L93 Difference]: Finished difference Result 1493 states and 2516 transitions. [2020-10-13 11:25:27,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 11:25:27,726 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 116 [2020-10-13 11:25:27,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:25:27,754 INFO L225 Difference]: With dead ends: 1493 [2020-10-13 11:25:27,755 INFO L226 Difference]: Without dead ends: 884 [2020-10-13 11:25:27,766 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2020-10-13 11:25:27,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 884 states. [2020-10-13 11:25:28,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 884 to 614. [2020-10-13 11:25:28,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 614 states. [2020-10-13 11:25:28,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 982 transitions. [2020-10-13 11:25:28,038 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 982 transitions. Word has length 116 [2020-10-13 11:25:28,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:25:28,038 INFO L479 AbstractCegarLoop]: Abstraction has 614 states and 982 transitions. [2020-10-13 11:25:28,038 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:25:28,039 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 982 transitions. [2020-10-13 11:25:28,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-13 11:25:28,043 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:25:28,044 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:25:28,044 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 11:25:28,044 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:25:28,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:25:28,045 INFO L82 PathProgramCache]: Analyzing trace with hash 1224648271, now seen corresponding path program 1 times [2020-10-13 11:25:28,045 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:25:28,045 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1124598450] [2020-10-13 11:25:28,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:25:28,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:28,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:28,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:28,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:28,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:28,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:29,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:29,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:30,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:33,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:33,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-13 11:25:33,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:25:33,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-10-13 11:25:33,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:33,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:25:33,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-13 11:25:33,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:25:33,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:25:33,944 WARN L193 SmtUtils]: Spent 693.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-13 11:25:33,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:25:33,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:33,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:33,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:33,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:25:33,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:33,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-13 11:25:33,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:33,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:33,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:33,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:33,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:34,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:25:34,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:34,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:34,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:34,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:25:34,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:34,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:25:34,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:34,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:34,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:34,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:34,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:34,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:25:34,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:34,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:34,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:34,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:25:34,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:34,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:25:34,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:34,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:34,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:34,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:34,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:34,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:25:34,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:34,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:34,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:34,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:25:34,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:34,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:25:34,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:34,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:34,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:34,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:34,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:34,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:25:34,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:34,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:34,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:34,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:25:34,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:34,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:25:34,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:34,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:34,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:34,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:34,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:34,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:25:34,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:34,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:34,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:34,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:25:34,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:34,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:25:34,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:34,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:34,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:34,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:34,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:34,215 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:25:34,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:25:34,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:34,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:34,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:34,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:34,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:34,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:34,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:34,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:35,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:36,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:36,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:39,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:39,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-13 11:25:39,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-13 11:25:39,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-13 11:25:39,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:39,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:25:39,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 11:25:39,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:25:39,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:39,439 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:25:39,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:25:39,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:39,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:39,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:39,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:39,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:39,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:40,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:40,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-13 11:25:40,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:25:40,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 900 [2020-10-13 11:25:40,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:40,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:25:40,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:25:40,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:25:40,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:25:40,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:25:40,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:40,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:40,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:40,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:25:40,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:40,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:25:40,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:40,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:25:40,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:25:40,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:25:40,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:40,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:25:40,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:40,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:40,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:40,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:40,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:25:40,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:25:40,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-13 11:25:40,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:40,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:40,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 11:25:40,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:40,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:25:40,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:25:40,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:40,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:40,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:40,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:25:40,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:40,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-13 11:25:40,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:40,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:40,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:40,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:40,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:40,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:25:40,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:40,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:40,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:40,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:25:40,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:40,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:25:40,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:40,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:40,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:40,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:40,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:40,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 11:25:40,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:40,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:40,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:40,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:40,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:40,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:41,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:41,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:41,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-13 11:25:41,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:25:41,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 613 [2020-10-13 11:25:41,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:41,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:41,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-13 11:25:41,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:41,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:41,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:25:41,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:41,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:41,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:41,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:41,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:25:41,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:25:41,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:25:41,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:41,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:41,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:41,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:41,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:41,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:25:41,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:41,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:41,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:41,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:41,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:25:41,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:25:41,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 11:25:41,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:41,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:41,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:41,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:41,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:41,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:25:41,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:41,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:41,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:41,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:25:41,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:41,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:25:41,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:41,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:41,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:41,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:41,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:25:41,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:25:41,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:41,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:41,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:41,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:25:41,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:41,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:25:41,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:41,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:41,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:41,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:41,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:41,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 11:25:41,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:41,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:41,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:41,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 11:25:41,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:41,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 11:25:41,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:41,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:41,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 11:25:41,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:41,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:41,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:25:41,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:41,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:41,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:41,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:25:41,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:41,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 11:25:41,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:41,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:41,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:41,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:41,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:41,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:25:41,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:41,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:41,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:41,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:25:41,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:41,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:25:41,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:41,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:41,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:41,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:41,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:41,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:25:41,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:41,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:41,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:41,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:25:41,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:41,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:25:41,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:41,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:41,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:41,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:41,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:41,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:25:41,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:41,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:41,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:41,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:25:41,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:41,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:25:41,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:41,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:41,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:41,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:41,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:41,413 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-13 11:25:41,414 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1124598450] [2020-10-13 11:25:41,414 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 11:25:41,414 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 11:25:41,414 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297286136] [2020-10-13 11:25:41,416 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:25:41,416 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:25:41,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:25:41,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:25:41,417 INFO L87 Difference]: Start difference. First operand 614 states and 982 transitions. Second operand 9 states. [2020-10-13 11:25:43,095 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:25:43,928 WARN L193 SmtUtils]: Spent 793.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-13 11:26:00,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:26:00,719 INFO L93 Difference]: Finished difference Result 1470 states and 2464 transitions. [2020-10-13 11:26:00,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 11:26:00,720 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 120 [2020-10-13 11:26:00,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:26:00,731 INFO L225 Difference]: With dead ends: 1470 [2020-10-13 11:26:00,731 INFO L226 Difference]: Without dead ends: 884 [2020-10-13 11:26:00,735 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2020-10-13 11:26:00,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 884 states. [2020-10-13 11:26:00,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 884 to 614. [2020-10-13 11:26:00,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 614 states. [2020-10-13 11:26:00,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 981 transitions. [2020-10-13 11:26:00,905 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 981 transitions. Word has length 120 [2020-10-13 11:26:00,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:26:00,905 INFO L479 AbstractCegarLoop]: Abstraction has 614 states and 981 transitions. [2020-10-13 11:26:00,906 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:26:00,906 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 981 transitions. [2020-10-13 11:26:00,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-13 11:26:00,908 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:26:00,909 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:26:00,909 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 11:26:00,909 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:26:00,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:26:00,909 INFO L82 PathProgramCache]: Analyzing trace with hash -2135037313, now seen corresponding path program 1 times [2020-10-13 11:26:00,910 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:26:00,910 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1907689977] [2020-10-13 11:26:00,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:26:01,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:01,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:01,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:01,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:01,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:01,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:01,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:02,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:06,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:06,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-13 11:26:06,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:26:06,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-13 11:26:06,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:06,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:26:06,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-13 11:26:06,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:26:06,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:06,919 WARN L193 SmtUtils]: Spent 806.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-13 11:26:06,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:26:06,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:06,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:06,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:06,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:26:06,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:06,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-13 11:26:06,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:06,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:06,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:06,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:06,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:06,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:26:06,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:06,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:06,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:06,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:26:06,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:06,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:06,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:06,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:06,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:06,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:06,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:06,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:26:06,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:06,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:06,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:06,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:26:06,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:06,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:06,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:06,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:06,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:06,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:06,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:06,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:26:06,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:06,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:07,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:07,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:26:07,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:07,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:26:07,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:07,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:07,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:07,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:07,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:07,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:26:07,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:07,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:07,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:07,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:26:07,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:07,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:07,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:07,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:07,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:07,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:07,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:07,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:26:07,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:07,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:07,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:07,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:26:07,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:07,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:26:07,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:07,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:07,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:07,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:07,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:07,213 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:26:07,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:26:07,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:07,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:07,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:07,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:07,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:07,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:07,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:09,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:09,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:09,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:12,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:12,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-13 11:26:12,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 11:26:12,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-13 11:26:12,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:12,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:26:12,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-13 11:26:12,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:26:12,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:12,383 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:26:12,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:26:12,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:12,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:12,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:12,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:12,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:12,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:12,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:13,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:13,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 11:26:13,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:26:13,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 653 [2020-10-13 11:26:13,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:13,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:13,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:13,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:13,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:13,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:13,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:13,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:13,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:13,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:13,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:26:13,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:26:13,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:26:13,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:13,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:13,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:13,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:13,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:13,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:26:13,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:13,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:13,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:13,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:13,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:26:13,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:26:13,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 11:26:13,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:13,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:13,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:13,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:13,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:13,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:26:13,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:13,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:13,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:13,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:26:13,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:13,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:26:13,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:13,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:13,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:13,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:13,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:13,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:13,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:13,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:13,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:13,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:26:13,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:13,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:26:13,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:13,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:13,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:13,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:13,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:13,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 11:26:13,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:13,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:13,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:13,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:13,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:13,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:13,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 11:26:13,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:26:13,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 280 [2020-10-13 11:26:13,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:13,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:26:13,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:26:13,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:26:13,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:13,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:13,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:13,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:13,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:13,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:26:13,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:13,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:26:13,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:13,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:13,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:13,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:13,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:13,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:26:13,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:13,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:13,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:13,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:26:13,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:13,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 11:26:13,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:13,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:26:13,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:26:13,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 11:26:13,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:13,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:26:13,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:13,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:13,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:13,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:26:13,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:13,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:26:13,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:13,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:26:13,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:13,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 11:26:13,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:13,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:13,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:13,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:13,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:13,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:26:13,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:13,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:26:13,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:13,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:13,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:13,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:13,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:13,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-13 11:26:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:13,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:13,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:13,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 11:26:13,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:13,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 11:26:13,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:13,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:13,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 11:26:13,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:13,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:13,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:13,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:13,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:13,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:13,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:26:13,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:13,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 11:26:13,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:13,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:13,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:13,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:13,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:13,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:13,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:13,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:13,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:13,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:26:13,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:13,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:13,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:13,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:13,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:13,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:13,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:13,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:26:13,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:13,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:13,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:13,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:26:13,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:13,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:26:13,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:13,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:13,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:13,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:13,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:13,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:13,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:13,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:13,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:13,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:26:13,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:13,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:13,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:13,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:13,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:13,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:13,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:13,623 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-13 11:26:13,623 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1907689977] [2020-10-13 11:26:13,624 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:26:13,624 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:26:13,624 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675782869] [2020-10-13 11:26:13,625 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:26:13,625 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:26:13,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:26:13,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:26:13,626 INFO L87 Difference]: Start difference. First operand 614 states and 981 transitions. Second operand 9 states. [2020-10-13 11:26:15,425 WARN L193 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:26:29,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:26:29,554 INFO L93 Difference]: Finished difference Result 1473 states and 2469 transitions. [2020-10-13 11:26:29,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 11:26:29,555 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 122 [2020-10-13 11:26:29,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:26:29,564 INFO L225 Difference]: With dead ends: 1473 [2020-10-13 11:26:29,564 INFO L226 Difference]: Without dead ends: 884 [2020-10-13 11:26:29,568 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2020-10-13 11:26:29,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 884 states. [2020-10-13 11:26:29,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 884 to 614. [2020-10-13 11:26:29,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 614 states. [2020-10-13 11:26:29,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 976 transitions. [2020-10-13 11:26:29,722 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 976 transitions. Word has length 122 [2020-10-13 11:26:29,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:26:29,723 INFO L479 AbstractCegarLoop]: Abstraction has 614 states and 976 transitions. [2020-10-13 11:26:29,723 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:26:29,723 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 976 transitions. [2020-10-13 11:26:29,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-13 11:26:29,726 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:26:29,726 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:26:29,727 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 11:26:29,727 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:26:29,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:26:29,727 INFO L82 PathProgramCache]: Analyzing trace with hash -1001041623, now seen corresponding path program 1 times [2020-10-13 11:26:29,727 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:26:29,728 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1558738289] [2020-10-13 11:26:29,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:26:29,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:29,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:29,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:29,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:29,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:30,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:30,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:30,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:34,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:34,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-13 11:26:34,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:26:34,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5032 [2020-10-13 11:26:34,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:34,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:26:34,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 101 [2020-10-13 11:26:34,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:26:34,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:35,598 WARN L193 SmtUtils]: Spent 745.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-13 11:26:35,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:26:35,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:35,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:35,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:35,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:26:35,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:35,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-13 11:26:35,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:35,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:35,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:35,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:35,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:35,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:26:35,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:35,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:35,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:35,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:26:35,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:35,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:35,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:35,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:35,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:35,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:35,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:35,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:26:35,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:35,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:35,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:35,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:26:35,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:35,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:35,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:35,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:35,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:35,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:35,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:35,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:26:35,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:35,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:35,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:35,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:26:35,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:35,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:35,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:35,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:35,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:35,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:35,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:35,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:26:35,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:35,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:35,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:35,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:26:35,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:35,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:35,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:35,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:35,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:35,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:35,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:35,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:26:35,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:35,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:35,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:35,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:26:35,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:35,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:26:35,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:35,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:35,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:35,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:35,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:35,886 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:26:35,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:26:35,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:35,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:35,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:35,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:35,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:36,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:36,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:36,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:36,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:36,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:40,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:40,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-13 11:26:40,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 11:26:40,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5044 [2020-10-13 11:26:40,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:40,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:26:40,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 11:26:40,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:26:40,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:41,097 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:26:41,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:26:41,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:41,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:41,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:41,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:41,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:41,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:41,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:41,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 11:26:41,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:26:41,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 695 [2020-10-13 11:26:41,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:41,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:26:41,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:26:41,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:26:41,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:41,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:41,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:41,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:41,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:41,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:41,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:26:41,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:26:41,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:26:41,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:41,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:41,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:41,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:41,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:41,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:26:41,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:41,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:41,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:41,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 11:26:41,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:41,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 11:26:41,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:41,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:26:41,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:26:41,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 11:26:41,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:41,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:26:41,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:41,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:41,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:41,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:26:41,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:41,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:26:41,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:41,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:26:41,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:41,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 11:26:41,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:41,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:41,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:41,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:41,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:41,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:26:41,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:41,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:41,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:41,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:41,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:41,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:41,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:41,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 11:26:41,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:41,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:41,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:41,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:41,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:42,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:42,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:42,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 11:26:42,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:26:42,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 251 [2020-10-13 11:26:42,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:42,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:42,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-13 11:26:42,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:42,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:42,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:42,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:42,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:42,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:42,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:26:42,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:42,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:26:42,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:42,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:42,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:42,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:42,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:42,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:26:42,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:42,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:42,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:42,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:42,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 11:26:42,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:26:42,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 11:26:42,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:42,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:42,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:42,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:42,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:42,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:26:42,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:42,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:42,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:42,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:26:42,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:42,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:26:42,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:42,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:42,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:42,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:42,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:42,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:42,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:42,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:42,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:42,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:26:42,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:42,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:26:42,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:42,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:42,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:42,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:42,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:42,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-13 11:26:42,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:42,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:42,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:42,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 11:26:42,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:42,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 11:26:42,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:42,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:42,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 11:26:42,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:42,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:42,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:42,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:42,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:42,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:42,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:26:42,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:42,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:26:42,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:42,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:42,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:42,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:42,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:42,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:42,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:42,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:42,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:42,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:26:42,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:42,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:42,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:42,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:42,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:42,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:42,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:42,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:26:42,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:42,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:42,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:42,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:26:42,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:42,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:26:42,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:42,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:42,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:42,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:42,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:42,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:42,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:42,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:42,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:42,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:26:42,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:42,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:42,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:42,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:42,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:42,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:42,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:42,364 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-13 11:26:42,365 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1558738289] [2020-10-13 11:26:42,365 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 11:26:42,365 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 11:26:42,365 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384110996] [2020-10-13 11:26:42,366 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:26:42,366 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:26:42,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:26:42,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:26:42,367 INFO L87 Difference]: Start difference. First operand 614 states and 976 transitions. Second operand 9 states. [2020-10-13 11:26:44,103 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:26:57,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:26:57,404 INFO L93 Difference]: Finished difference Result 1473 states and 2459 transitions. [2020-10-13 11:26:57,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 11:26:57,405 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 124 [2020-10-13 11:26:57,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:26:57,414 INFO L225 Difference]: With dead ends: 1473 [2020-10-13 11:26:57,415 INFO L226 Difference]: Without dead ends: 884 [2020-10-13 11:26:57,418 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2020-10-13 11:26:57,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 884 states. [2020-10-13 11:26:57,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 884 to 614. [2020-10-13 11:26:57,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 614 states. [2020-10-13 11:26:57,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 971 transitions. [2020-10-13 11:26:57,603 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 971 transitions. Word has length 124 [2020-10-13 11:26:57,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:26:57,603 INFO L479 AbstractCegarLoop]: Abstraction has 614 states and 971 transitions. [2020-10-13 11:26:57,603 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:26:57,604 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 971 transitions. [2020-10-13 11:26:57,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-13 11:26:57,607 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:26:57,607 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:26:57,608 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 11:26:57,608 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:26:57,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:26:57,608 INFO L82 PathProgramCache]: Analyzing trace with hash -188561995, now seen corresponding path program 1 times [2020-10-13 11:26:57,608 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:26:57,609 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [796210480] [2020-10-13 11:26:57,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:26:57,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:57,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:57,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:57,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:57,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:57,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:58,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:00,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:02,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:02,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:02,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:02,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 11:27:02,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 11:27:02,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5058 [2020-10-13 11:27:02,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:02,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:27:02,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:27:02,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:27:02,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:03,518 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-13 11:27:03,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:27:03,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:03,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:03,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:03,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:27:03,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:03,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-13 11:27:03,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:03,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:03,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:03,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:03,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:03,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:27:03,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:03,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:03,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:03,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:27:03,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:03,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:03,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:03,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:03,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:03,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:03,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:03,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:27:03,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:03,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:03,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:03,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:27:03,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:03,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:03,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:03,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:03,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:03,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:03,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:03,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:27:03,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:03,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:03,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:03,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:27:03,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:03,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:03,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:03,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:03,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:03,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:03,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:03,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:27:03,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:03,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:03,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:03,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:27:03,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:03,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:03,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:03,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:03,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:03,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:03,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:03,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:27:03,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:03,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:03,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:03,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:27:03,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:03,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:27:03,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:03,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:03,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:03,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:03,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:03,821 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:27:03,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:27:03,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:03,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:03,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:03,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:03,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:03,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:05,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:05,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:05,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:08,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:08,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-13 11:27:08,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:27:08,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-13 11:27:08,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:08,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:27:08,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:27:08,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:27:08,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:08,979 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:27:08,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:27:08,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:08,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:08,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:09,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:09,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:09,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:09,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:09,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 11:27:09,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:27:09,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 510 [2020-10-13 11:27:09,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:09,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:27:09,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:27:09,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:27:09,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:09,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:09,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:09,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:09,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:09,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:27:09,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:09,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:27:09,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:09,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:27:09,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:27:09,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 11:27:09,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:09,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:27:09,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:09,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:09,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:09,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:09,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:27:09,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:27:09,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 11:27:09,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:09,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:09,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-13 11:27:09,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:09,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:09,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:27:09,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:09,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:09,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:09,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:27:09,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:09,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:27:09,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:09,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:09,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:09,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:09,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:09,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:09,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:09,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:09,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:09,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:27:09,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:09,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:27:09,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:09,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:09,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:09,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:09,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:09,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 11:27:09,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:09,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:09,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:09,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:09,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:09,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:09,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 11:27:09,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:27:09,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 242 [2020-10-13 11:27:09,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:09,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:09,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-13 11:27:09,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:09,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:09,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:09,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:09,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:09,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:09,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:27:09,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:09,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:27:09,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:09,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:09,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:09,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:09,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:09,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:27:09,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:09,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:09,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:09,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:27:09,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:09,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:27:09,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:09,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:09,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:09,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:09,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:09,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:27:09,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:09,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:09,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:09,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:27:09,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:09,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:27:09,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:09,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:09,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:09,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:09,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:09,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:09,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:09,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:09,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:09,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:27:09,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:09,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:27:09,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:09,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:09,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:09,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:09,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:09,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 11:27:09,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:09,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:09,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:09,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 11:27:09,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:09,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 11:27:09,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:09,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:09,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 11:27:09,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:09,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:09,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:09,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:09,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:09,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:09,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:27:09,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:09,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 11:27:09,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:09,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:09,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:09,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:09,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:09,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:09,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:09,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:09,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:09,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:27:09,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:09,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:09,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:09,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:09,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:09,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:09,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:09,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:27:09,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:09,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:09,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:09,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:27:09,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:09,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:27:09,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:09,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:09,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:09,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:09,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:09,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:09,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:09,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:09,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:09,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:27:09,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:09,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:09,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:09,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:09,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:09,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:09,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:10,064 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-13 11:27:10,065 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [796210480] [2020-10-13 11:27:10,065 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 11:27:10,065 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 11:27:10,065 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422897250] [2020-10-13 11:27:10,066 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:27:10,066 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:27:10,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:27:10,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:27:10,066 INFO L87 Difference]: Start difference. First operand 614 states and 971 transitions. Second operand 9 states. [2020-10-13 11:27:11,793 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:27:12,576 WARN L193 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-13 11:27:14,120 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:27:26,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:27:26,638 INFO L93 Difference]: Finished difference Result 1477 states and 2448 transitions. [2020-10-13 11:27:26,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 11:27:26,639 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 126 [2020-10-13 11:27:26,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:27:26,648 INFO L225 Difference]: With dead ends: 1477 [2020-10-13 11:27:26,648 INFO L226 Difference]: Without dead ends: 893 [2020-10-13 11:27:26,652 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-10-13 11:27:26,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 893 states. [2020-10-13 11:27:26,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 893 to 623. [2020-10-13 11:27:26,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 623 states. [2020-10-13 11:27:26,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 983 transitions. [2020-10-13 11:27:26,798 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 983 transitions. Word has length 126 [2020-10-13 11:27:26,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:27:26,798 INFO L479 AbstractCegarLoop]: Abstraction has 623 states and 983 transitions. [2020-10-13 11:27:26,798 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:27:26,798 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 983 transitions. [2020-10-13 11:27:26,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-13 11:27:26,801 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:27:26,801 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:27:26,802 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 11:27:26,802 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:27:26,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:27:26,802 INFO L82 PathProgramCache]: Analyzing trace with hash -1490678008, now seen corresponding path program 1 times [2020-10-13 11:27:26,802 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:27:26,803 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2028602377] [2020-10-13 11:27:26,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:27:26,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:26,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:26,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:27,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:27,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:27,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:28,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:31,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:31,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-13 11:27:31,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:27:31,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-13 11:27:31,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:31,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:27:31,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:27:31,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:27:31,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:32,672 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-13 11:27:32,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:27:32,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:32,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:32,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:32,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:27:32,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:32,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 11:27:32,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:32,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:32,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:32,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:32,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:32,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:27:32,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:32,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:32,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:32,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:27:32,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:32,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:32,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:32,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:32,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:32,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:32,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:32,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:27:32,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:32,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:32,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:32,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:27:32,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:32,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:32,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:32,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:32,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:32,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:32,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:32,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:27:32,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:32,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:32,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:32,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:27:32,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:32,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:32,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:32,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:32,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:32,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:32,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:32,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:27:32,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:32,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:32,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:32,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:27:32,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:32,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:32,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:32,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:32,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:32,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:32,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:32,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:27:32,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:32,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:32,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:32,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:27:32,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:32,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:27:32,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:32,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:32,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:32,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:32,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:32,964 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:27:32,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:27:32,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:32,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:32,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:33,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:33,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:33,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:33,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:34,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:34,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:37,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:37,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-13 11:27:37,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:27:37,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-13 11:27:37,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:37,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:27:37,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-13 11:27:37,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:27:37,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:38,126 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:27:38,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:27:38,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:38,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:38,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:38,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:38,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:38,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:38,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:38,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-13 11:27:38,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:27:38,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 539 [2020-10-13 11:27:38,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:38,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:27:38,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:27:38,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:27:38,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:38,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:38,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:38,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:38,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:38,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 11:27:38,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:38,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:27:38,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:38,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:27:38,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:27:38,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 11:27:38,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:38,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:27:38,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:38,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:38,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:38,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:38,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:27:38,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:27:38,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 11:27:38,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:38,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:38,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-13 11:27:38,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:38,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:38,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:27:38,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:38,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:38,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:38,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:27:38,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:38,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:27:38,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:38,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:38,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:38,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:38,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:38,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:38,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:38,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:38,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:38,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:27:38,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:38,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:27:38,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:38,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:38,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:38,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:38,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:38,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 11:27:38,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:38,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:38,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:38,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:38,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:39,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:39,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 11:27:39,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:27:39,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 280 [2020-10-13 11:27:39,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:39,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:39,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-13 11:27:39,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:39,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:39,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:39,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:39,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:39,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:39,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:27:39,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:39,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:39,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:39,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:39,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:39,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:39,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:39,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:27:39,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:39,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:39,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:39,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:27:39,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:39,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:27:39,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:39,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:39,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:39,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:39,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:39,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:27:39,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:39,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:39,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:39,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:27:39,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:39,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:27:39,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:39,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:39,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:39,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:39,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:39,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:39,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:39,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:39,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:39,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:27:39,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:39,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:27:39,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:39,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:39,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:39,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:39,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:39,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-13 11:27:39,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:39,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:39,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:39,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 11:27:39,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:39,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 11:27:39,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:39,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:39,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 11:27:39,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:39,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:39,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:39,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:39,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:39,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:39,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:27:39,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:39,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:27:39,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:39,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:39,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:39,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:39,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:39,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:39,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:39,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:39,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:39,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:27:39,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:39,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:39,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:39,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:39,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:39,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:39,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:39,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:27:39,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:39,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:39,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:39,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:27:39,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:39,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:27:39,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:39,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:39,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:39,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:39,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:39,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:39,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:39,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:39,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:39,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:27:39,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:39,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:39,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:39,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:39,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:39,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:39,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:39,226 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-13 11:27:39,226 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2028602377] [2020-10-13 11:27:39,226 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 11:27:39,226 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 11:27:39,227 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047812307] [2020-10-13 11:27:39,227 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:27:39,228 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:27:39,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:27:39,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:27:39,228 INFO L87 Difference]: Start difference. First operand 623 states and 983 transitions. Second operand 9 states. [2020-10-13 11:27:40,719 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:27:41,531 WARN L193 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-13 11:27:43,176 WARN L193 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:27:55,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:27:55,580 INFO L93 Difference]: Finished difference Result 1479 states and 2449 transitions. [2020-10-13 11:27:55,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 11:27:55,581 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 127 [2020-10-13 11:27:55,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:27:55,589 INFO L225 Difference]: With dead ends: 1479 [2020-10-13 11:27:55,589 INFO L226 Difference]: Without dead ends: 893 [2020-10-13 11:27:55,592 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-10-13 11:27:55,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 893 states. [2020-10-13 11:27:55,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 893 to 623. [2020-10-13 11:27:55,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 623 states. [2020-10-13 11:27:55,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 982 transitions. [2020-10-13 11:27:55,751 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 982 transitions. Word has length 127 [2020-10-13 11:27:55,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:27:55,751 INFO L479 AbstractCegarLoop]: Abstraction has 623 states and 982 transitions. [2020-10-13 11:27:55,751 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:27:55,751 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 982 transitions. [2020-10-13 11:27:55,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-13 11:27:55,754 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:27:55,754 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:27:55,754 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 11:27:55,755 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:27:55,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:27:55,755 INFO L82 PathProgramCache]: Analyzing trace with hash -673619431, now seen corresponding path program 1 times [2020-10-13 11:27:55,755 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:27:55,755 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [979861801] [2020-10-13 11:27:55,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:27:55,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:55,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:55,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:55,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:56,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:56,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:57,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:00,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:00,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-10-13 11:28:00,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:28:00,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-13 11:28:00,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:00,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:28:00,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-10-13 11:28:00,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:28:00,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:01,573 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-13 11:28:01,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:28:01,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:01,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:01,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:01,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:28:01,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:01,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 11:28:01,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:01,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:01,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:01,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:01,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:01,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:28:01,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:01,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:01,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:01,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:28:01,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:01,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:28:01,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:01,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:01,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:01,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:01,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:01,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:28:01,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:01,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:01,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:01,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:28:01,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:01,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:28:01,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:01,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:01,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:01,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:01,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:01,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:28:01,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:01,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:01,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:01,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:28:01,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:01,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:28:01,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:01,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:01,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:01,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:01,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:01,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:28:01,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:01,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:01,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:01,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:28:01,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:01,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:28:01,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:01,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:01,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:01,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:01,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:01,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:28:01,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:01,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:01,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:01,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:28:01,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:01,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:28:01,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:01,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:01,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:01,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:01,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:01,831 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:28:01,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:28:01,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:01,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:01,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:01,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:01,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:01,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:06,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:06,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-13 11:28:06,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:28:06,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-13 11:28:06,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:06,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:28:06,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-13 11:28:06,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:28:06,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:06,995 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:28:06,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:28:07,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:07,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:07,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:07,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:07,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-13 11:28:07,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:28:07,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-13 11:28:07,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:07,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:28:07,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 11:28:07,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:28:07,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:07,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:28:07,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:07,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:07,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:07,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:07,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 11:28:07,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:28:07,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:28:07,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:07,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:07,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:07,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:07,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:07,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:28:07,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:07,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:07,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:07,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:28:07,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:07,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 11:28:07,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:07,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:28:07,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:28:07,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-13 11:28:07,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:07,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:28:07,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:07,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:07,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:07,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:28:07,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:07,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:28:07,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:07,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:28:07,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:07,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 11:28:07,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:07,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:28:07,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:07,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:07,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:07,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:28:07,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:07,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:28:07,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:07,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:07,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:07,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:07,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:07,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 11:28:07,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:07,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:07,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:07,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:07,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:07,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:07,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 11:28:07,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:28:07,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 307 [2020-10-13 11:28:07,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:07,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:07,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-13 11:28:07,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:07,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:07,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:28:07,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:07,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:07,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:07,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:28:07,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:07,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:28:07,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:07,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:07,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:07,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:07,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:07,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:28:07,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:07,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:07,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:07,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:28:07,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:07,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:28:07,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:07,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:07,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:07,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:07,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:07,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:28:07,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:07,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:07,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:07,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:28:07,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:07,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:28:07,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:07,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:07,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:07,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:07,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:07,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:28:07,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:07,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:07,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:07,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:28:07,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:07,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:28:07,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:07,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:07,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:07,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:07,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:07,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-13 11:28:07,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:07,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:07,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:07,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 11:28:07,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:07,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 11:28:07,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:07,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:07,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 11:28:07,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:07,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:07,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:28:07,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:07,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:07,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:07,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:28:07,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:07,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 11:28:07,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:07,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:07,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:07,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:07,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:07,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:28:07,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:07,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:07,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:07,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:28:07,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:07,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:28:07,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:07,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:07,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:07,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:07,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:07,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:28:07,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:07,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:07,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:07,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:28:07,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:07,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:28:07,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:07,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:07,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:07,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:07,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:07,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:28:07,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:07,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:07,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:07,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:28:07,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:07,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:28:07,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:07,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:07,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:07,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:07,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:07,687 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-13 11:28:07,688 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [979861801] [2020-10-13 11:28:07,688 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 11:28:07,688 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 11:28:07,689 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897847123] [2020-10-13 11:28:07,691 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:28:07,691 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:28:07,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:28:07,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:28:07,692 INFO L87 Difference]: Start difference. First operand 623 states and 982 transitions. Second operand 9 states. [2020-10-13 11:28:09,451 WARN L193 SmtUtils]: Spent 770.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:28:11,298 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:28:12,084 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-13 11:28:25,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:28:25,024 INFO L93 Difference]: Finished difference Result 1521 states and 2519 transitions. [2020-10-13 11:28:25,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 11:28:25,025 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 128 [2020-10-13 11:28:25,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:28:25,031 INFO L225 Difference]: With dead ends: 1521 [2020-10-13 11:28:25,031 INFO L226 Difference]: Without dead ends: 939 [2020-10-13 11:28:25,034 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2020-10-13 11:28:25,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 939 states. [2020-10-13 11:28:25,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 939 to 662. [2020-10-13 11:28:25,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 662 states. [2020-10-13 11:28:25,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 1046 transitions. [2020-10-13 11:28:25,199 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 1046 transitions. Word has length 128 [2020-10-13 11:28:25,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:28:25,199 INFO L479 AbstractCegarLoop]: Abstraction has 662 states and 1046 transitions. [2020-10-13 11:28:25,200 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:28:25,200 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1046 transitions. [2020-10-13 11:28:25,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-13 11:28:25,202 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:28:25,202 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:28:25,203 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 11:28:25,203 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:28:25,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:28:25,203 INFO L82 PathProgramCache]: Analyzing trace with hash -1481809467, now seen corresponding path program 1 times [2020-10-13 11:28:25,203 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:28:25,204 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [546401309] [2020-10-13 11:28:25,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:28:25,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:25,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:25,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:25,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:25,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:26,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:26,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:30,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:30,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-13 11:28:30,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:28:30,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5055 [2020-10-13 11:28:30,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:30,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:28:30,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:28:30,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 11:28:30,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:31,074 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-13 11:28:31,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:28:31,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:31,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:31,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:31,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:28:31,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:31,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 11:28:31,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:31,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:31,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:31,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:31,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:31,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:28:31,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:31,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:31,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:31,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:28:31,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:31,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:28:31,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:31,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:31,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:31,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:31,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:31,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:28:31,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:31,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:31,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:31,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:28:31,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:31,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:28:31,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:31,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:31,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:31,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:31,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:31,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:28:31,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:31,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:31,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:31,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:28:31,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:31,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:28:31,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:31,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:31,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:31,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:31,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:31,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:28:31,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:31,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:31,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:31,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:28:31,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:31,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:28:31,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:31,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:31,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:31,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:31,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:31,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:28:31,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:31,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:31,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:31,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:28:31,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:31,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:28:31,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:31,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:31,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:31,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:31,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:31,336 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:28:31,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:28:31,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:31,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:31,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:31,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:31,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:31,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking...