/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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=SHALLOWEST --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 language data_model -i ../../../trunk/examples/svcomp/product-lines/elevator_spec3_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 02:23:03,094 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 02:23:03,098 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 02:23:03,136 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 02:23:03,136 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 02:23:03,138 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 02:23:03,139 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 02:23:03,142 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 02:23:03,144 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 02:23:03,145 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 02:23:03,146 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 02:23:03,147 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 02:23:03,148 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 02:23:03,149 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 02:23:03,150 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 02:23:03,151 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 02:23:03,152 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 02:23:03,153 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 02:23:03,155 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 02:23:03,157 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 02:23:03,166 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 02:23:03,167 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 02:23:03,168 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 02:23:03,172 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 02:23:03,175 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 02:23:03,176 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 02:23:03,176 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 02:23:03,177 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 02:23:03,177 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 02:23:03,178 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 02:23:03,179 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 02:23:03,180 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 02:23:03,180 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 02:23:03,181 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 02:23:03,182 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 02:23:03,183 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 02:23:03,183 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 02:23:03,184 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 02:23:03,184 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 02:23:03,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 02:23:03,186 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 02:23:03,187 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 [2020-10-27 02:23:03,213 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 02:23:03,213 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 02:23:03,214 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 02:23:03,215 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 02:23:03,215 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 02:23:03,215 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 02:23:03,216 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 02:23:03,216 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 02:23:03,216 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 02:23:03,216 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 02:23:03,217 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 02:23:03,217 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 02:23:03,217 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 02:23:03,217 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 02:23:03,218 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 02:23:03,218 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 02:23:03,218 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 02:23:03,218 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 02:23:03,218 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 02:23:03,219 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 02:23:03,219 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 02:23:03,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:23:03,219 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 02:23:03,219 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 02:23:03,220 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 02:23:03,220 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 02:23:03,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 02:23:03,220 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 02:23:03,220 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 02:23:03,220 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 02:23:03,615 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 02:23:03,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 02:23:03,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 02:23:03,655 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 02:23:03,662 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 02:23:03,664 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product19.cil.c [2020-10-27 02:23:03,731 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/15a4d2e31/ccf4c28b72ce44eea3163dba8b39c6f2/FLAGa108bb845 [2020-10-27 02:23:04,419 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 02:23:04,419 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec3_product19.cil.c [2020-10-27 02:23:04,439 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/15a4d2e31/ccf4c28b72ce44eea3163dba8b39c6f2/FLAGa108bb845 [2020-10-27 02:23:04,614 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/15a4d2e31/ccf4c28b72ce44eea3163dba8b39c6f2 [2020-10-27 02:23:04,617 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 02:23:04,624 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 02:23:04,629 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 02:23:04,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 02:23:04,633 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 02:23:04,633 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:23:04" (1/1) ... [2020-10-27 02:23:04,641 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a8f12fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:23:04, skipping insertion in model container [2020-10-27 02:23:04,642 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:23:04" (1/1) ... [2020-10-27 02:23:04,650 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 02:23:04,742 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 02:23:05,415 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:23:05,426 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 02:23:05,525 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:23:05,604 INFO L208 MainTranslator]: Completed translation [2020-10-27 02:23:05,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:23:05 WrapperNode [2020-10-27 02:23:05,605 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 02:23:05,606 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 02:23:05,606 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 02:23:05,607 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 02:23:05,619 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:23:05" (1/1) ... [2020-10-27 02:23:05,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:23:05" (1/1) ... [2020-10-27 02:23:05,652 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:23:05" (1/1) ... [2020-10-27 02:23:05,653 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:23:05" (1/1) ... [2020-10-27 02:23:05,715 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:23:05" (1/1) ... [2020-10-27 02:23:05,749 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:23:05" (1/1) ... [2020-10-27 02:23:05,761 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:23:05" (1/1) ... [2020-10-27 02:23:05,778 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 02:23:05,780 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 02:23:05,780 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 02:23:05,780 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 02:23:05,781 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:23:05" (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 [2020-10-27 02:23:05,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 02:23:05,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 02:23:05,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 02:23:05,879 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 02:23:05,880 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-27 02:23:05,880 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-27 02:23:05,881 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-27 02:23:05,881 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-27 02:23:05,882 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-27 02:23:05,882 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-27 02:23:05,883 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-27 02:23:05,883 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-27 02:23:05,883 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 02:23:05,883 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-27 02:23:05,883 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-27 02:23:05,884 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-27 02:23:05,884 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 02:23:05,884 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-27 02:23:05,885 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 02:23:05,885 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 02:23:05,885 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 02:23:05,885 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 02:23:05,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 02:23:05,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 02:23:05,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 02:23:05,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 02:23:05,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 02:23:05,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 02:23:05,886 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-27 02:23:05,886 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-27 02:23:05,886 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-27 02:23:05,886 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-27 02:23:05,887 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-27 02:23:05,887 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-27 02:23:05,887 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-27 02:23:05,887 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-27 02:23:05,887 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-27 02:23:05,887 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-27 02:23:05,887 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-27 02:23:05,888 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-27 02:23:05,888 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-27 02:23:05,888 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-27 02:23:05,888 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-27 02:23:05,888 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-27 02:23:05,888 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2020-10-27 02:23:05,888 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-27 02:23:05,889 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-27 02:23:05,889 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-27 02:23:05,889 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-27 02:23:05,889 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-27 02:23:05,889 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-27 02:23:05,889 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-27 02:23:05,890 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 02:23:05,890 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-27 02:23:05,890 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-27 02:23:05,890 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-27 02:23:05,891 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-27 02:23:05,891 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-27 02:23:05,891 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-27 02:23:05,891 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-27 02:23:05,891 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 02:23:05,892 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 02:23:05,892 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 02:23:05,892 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 02:23:05,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-27 02:23:05,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2020-10-27 02:23:05,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 02:23:05,893 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-27 02:23:05,893 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-27 02:23:05,893 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-27 02:23:05,893 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-27 02:23:05,893 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-27 02:23:05,895 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-27 02:23:05,896 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-27 02:23:05,896 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-27 02:23:05,896 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-27 02:23:05,896 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-27 02:23:05,896 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 02:23:05,896 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 02:23:05,897 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 02:23:05,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 02:23:05,897 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 02:23:05,897 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 02:23:05,897 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-27 02:23:05,897 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-27 02:23:05,898 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-27 02:23:05,898 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-27 02:23:05,899 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-27 02:23:05,899 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-27 02:23:05,899 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-27 02:23:05,899 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-27 02:23:05,899 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-27 02:23:05,899 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 02:23:05,899 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-27 02:23:05,899 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-27 02:23:05,900 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-27 02:23:05,900 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 02:23:05,900 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-27 02:23:05,900 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-27 02:23:05,900 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-27 02:23:05,900 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-27 02:23:05,900 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-27 02:23:05,900 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 02:23:05,901 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-27 02:23:05,901 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 02:23:05,901 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 02:23:05,901 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 02:23:05,901 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 02:23:05,901 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 02:23:05,902 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 02:23:05,902 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 02:23:05,902 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 02:23:05,902 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 02:23:05,903 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 02:23:05,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 02:23:05,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 02:23:05,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 02:23:05,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 02:23:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 02:23:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 02:23:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 02:23:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 02:23:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 02:23:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 02:23:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 02:23:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 02:23:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 02:23:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-27 02:23:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-27 02:23:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-27 02:23:05,908 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-27 02:23:05,908 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-27 02:23:05,911 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-27 02:23:05,912 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-27 02:23:05,912 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-27 02:23:05,912 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-27 02:23:05,912 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-27 02:23:05,913 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-27 02:23:05,913 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-27 02:23:05,914 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-27 02:23:05,915 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-27 02:23:05,915 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-27 02:23:05,915 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-27 02:23:05,921 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-27 02:23:05,921 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-27 02:23:05,921 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-27 02:23:05,921 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-27 02:23:05,921 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-27 02:23:05,921 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-27 02:23:05,922 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-27 02:23:05,922 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-27 02:23:05,922 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2020-10-27 02:23:05,923 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-27 02:23:05,923 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-27 02:23:05,923 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-27 02:23:05,923 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-27 02:23:05,923 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-27 02:23:05,923 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-27 02:23:05,923 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-27 02:23:05,923 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2020-10-27 02:23:05,924 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-27 02:23:05,924 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 02:23:05,924 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 02:23:05,924 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-27 02:23:05,924 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-27 02:23:05,924 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-27 02:23:05,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 02:23:05,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 02:23:05,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 02:23:08,506 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 02:23:08,507 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-27 02:23:08,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:23:08 BoogieIcfgContainer [2020-10-27 02:23:08,511 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 02:23:08,512 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 02:23:08,512 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 02:23:08,516 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 02:23:08,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 02:23:04" (1/3) ... [2020-10-27 02:23:08,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e42c21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:23:08, skipping insertion in model container [2020-10-27 02:23:08,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:23:05" (2/3) ... [2020-10-27 02:23:08,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e42c21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:23:08, skipping insertion in model container [2020-10-27 02:23:08,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:23:08" (3/3) ... [2020-10-27 02:23:08,519 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product19.cil.c [2020-10-27 02:23:08,531 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 02:23:08,537 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 02:23:08,553 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 02:23:08,589 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 02:23:08,589 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 02:23:08,589 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 02:23:08,589 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 02:23:08,590 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 02:23:08,590 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 02:23:08,590 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 02:23:08,590 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 02:23:08,671 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states. [2020-10-27 02:23:08,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-10-27 02:23:08,705 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:23:08,706 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:23:08,707 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:23:08,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:23:08,713 INFO L82 PathProgramCache]: Analyzing trace with hash 1594257969, now seen corresponding path program 1 times [2020-10-27 02:23:08,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:23:08,723 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1791679878] [2020-10-27 02:23:08,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:23:09,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:09,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:09,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:10,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:10,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:12,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:14,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:14,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-10-27 02:23:14,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:23:14,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5051 [2020-10-27 02:23:14,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:14,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:23:14,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:23:14,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-10-27 02:23:14,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 02:23:15,573 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 397 [2020-10-27 02:23:15,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:23:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:15,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:15,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:15,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:23:15,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:15,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 188 [2020-10-27 02:23:15,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:15,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:23:15,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:15,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:23:15,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:23:15,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:23:15,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:15,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:15,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:15,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:23:15,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:15,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:23:15,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:15,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:23:15,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:15,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:23:15,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:15,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:23:15,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:15,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:15,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:15,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:23:15,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:15,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:23:15,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:15,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:23:15,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:15,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:23:15,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:15,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:23:15,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:15,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:15,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:15,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:23:15,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:15,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:23:15,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:15,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:23:15,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:15,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:23:15,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:15,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:23:15,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:15,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:15,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:15,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:23:15,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:15,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:23:15,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:15,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:23:15,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:15,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:23:15,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:16,208 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-27 02:23:16,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 02:23:16,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:16,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:16,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:16,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 02:23:16,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:16,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-27 02:23:16,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:16,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:23:16,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:16,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 02:23:16,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:16,427 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 02:23:16,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:23:16,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:16,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:16,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:16,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:23:16,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:16,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:23:16,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:16,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:16,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:16,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:16,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:16,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 02:23:16,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:16,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:16,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:16,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:16,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:16,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:23:16,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:23:16,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 425 [2020-10-27 02:23:16,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:16,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:23:16,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:16,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 02:23:16,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:16,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:23:16,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:16,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:16,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:16,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:23:16,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:16,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:23:16,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:16,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:16,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:16,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:16,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:16,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:23:16,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:16,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:16,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:16,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:23:16,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:16,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:23:16,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:16,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:16,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:16,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:16,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:16,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:23:16,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:16,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:16,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:16,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:23:16,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:16,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:23:16,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:16,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:16,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:16,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:16,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:16,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 02:23:16,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:16,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:16,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:16,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:23:16,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:16,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 02:23:16,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:16,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:23:16,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:16,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 02:23:16,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:16,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:23:16,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:16,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:16,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:16,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:23:16,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:16,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:23:16,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:16,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:16,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:16,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:16,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:16,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:23:16,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:16,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:16,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:16,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:23:16,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:16,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:23:16,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:16,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:16,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:16,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:16,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:16,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 02:23:17,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:17,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:17,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:17,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 02:23:17,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:17,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 02:23:17,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:17,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:23:17,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 02:23:17,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 02:23:17,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:17,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:23:17,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:17,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:17,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:17,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:23:17,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:17,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 02:23:17,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:17,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:23:17,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:17,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:23:17,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:17,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:23:17,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:17,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:17,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:17,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:23:17,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:17,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:23:17,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:17,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:23:17,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:17,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:23:17,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:17,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 02:23:17,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:17,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:17,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:17,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:23:17,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:17,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:23:17,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:17,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:23:17,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:17,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:23:17,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:17,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 02:23:17,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:17,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:17,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:17,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:23:17,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:17,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 02:23:17,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:17,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:17,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-27 02:23:17,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:17,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:17,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:23:17,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:17,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:17,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:17,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:23:17,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:17,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:23:17,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:17,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:17,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:17,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:17,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:17,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:23:17,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:17,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:17,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:17,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:23:17,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:17,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:23:17,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:17,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:17,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:17,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:17,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:17,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 02:23:17,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:17,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:17,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:17,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:23:17,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:17,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:23:17,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:17,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:17,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:17,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:17,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:17,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-27 02:23:17,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:17,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:17,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:17,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:23:17,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:17,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:23:17,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:17,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:17,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 02:23:17,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:17,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:17,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 02:23:17,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:17,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:17,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:17,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:23:17,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:17,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:23:17,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:17,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:17,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:23:17,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:17,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:17,329 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-27 02:23:17,330 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1791679878] [2020-10-27 02:23:17,332 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:23:17,332 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 02:23:17,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104475984] [2020-10-27 02:23:17,337 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 02:23:17,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:23:17,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 02:23:17,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-10-27 02:23:17,354 INFO L87 Difference]: Start difference. First operand 794 states. Second operand 12 states. [2020-10-27 02:23:19,625 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 399 [2020-10-27 02:23:20,210 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 02:23:21,734 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-27 02:23:23,499 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 402 [2020-10-27 02:23:24,640 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 404 [2020-10-27 02:23:25,736 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 02:23:27,089 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 02:23:29,395 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-27 02:23:31,058 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 402 [2020-10-27 02:23:32,271 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:23:45,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:23:45,280 INFO L93 Difference]: Finished difference Result 1624 states and 2876 transitions. [2020-10-27 02:23:45,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-27 02:23:45,282 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 142 [2020-10-27 02:23:45,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:23:45,327 INFO L225 Difference]: With dead ends: 1624 [2020-10-27 02:23:45,327 INFO L226 Difference]: Without dead ends: 986 [2020-10-27 02:23:45,342 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=232, Invalid=524, Unknown=0, NotChecked=0, Total=756 [2020-10-27 02:23:45,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 986 states. [2020-10-27 02:23:45,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 986 to 638. [2020-10-27 02:23:45,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 638 states. [2020-10-27 02:23:45,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 1017 transitions. [2020-10-27 02:23:45,722 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 1017 transitions. Word has length 142 [2020-10-27 02:23:45,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:23:45,723 INFO L481 AbstractCegarLoop]: Abstraction has 638 states and 1017 transitions. [2020-10-27 02:23:45,723 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 02:23:45,723 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 1017 transitions. [2020-10-27 02:23:45,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-10-27 02:23:45,731 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:23:45,731 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:23:45,732 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 02:23:45,732 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:23:45,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:23:45,733 INFO L82 PathProgramCache]: Analyzing trace with hash -769906795, now seen corresponding path program 1 times [2020-10-27 02:23:45,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:23:45,733 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [416023077] [2020-10-27 02:23:45,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:23:45,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:45,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:46,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:46,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:46,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:46,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:50,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:50,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 210 [2020-10-27 02:23:50,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:23:50,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-27 02:23:50,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:50,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:23:50,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:23:50,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-27 02:23:50,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:52,031 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 397 [2020-10-27 02:23:52,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:23:52,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:52,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:52,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:52,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:23:52,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:52,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-27 02:23:52,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:52,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:23:52,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:52,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:23:52,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:52,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:23:52,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:52,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:52,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:52,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:23:52,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:52,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:23:52,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:52,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:23:52,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:52,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:23:52,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:52,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:23:52,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:52,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:52,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:52,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:23:52,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:52,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:23:52,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:52,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:23:52,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:52,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:23:52,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:52,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:23:52,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:52,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:52,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:52,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:23:52,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:52,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:23:52,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:52,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:23:52,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:52,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:23:52,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:52,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:23:52,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:52,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:52,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:52,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:23:52,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:52,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:23:52,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:52,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:23:52,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:52,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:23:52,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:52,475 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-27 02:23:52,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 02:23:52,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:52,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:52,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:52,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 02:23:52,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:52,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-27 02:23:52,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:52,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:23:52,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:52,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 02:23:52,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:52,664 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 02:23:52,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:23:52,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:52,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:52,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:52,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:23:52,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:52,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:23:52,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:52,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:52,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:52,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:52,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:52,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 02:23:52,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:52,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:52,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:52,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:53,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:53,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:23:53,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:23:53,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 324 [2020-10-27 02:23:53,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:53,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:23:53,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:53,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 02:23:53,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:53,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:23:53,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:53,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:53,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:53,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:23:53,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:53,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:23:53,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:53,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:53,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:53,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:53,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:53,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:23:53,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:53,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:53,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:53,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:23:53,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:53,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 02:23:53,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:53,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:53,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:53,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:53,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:53,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:23:53,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:53,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:53,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:53,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:23:53,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:53,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:23:53,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:53,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:53,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:53,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:53,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:23:53,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 02:23:53,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:53,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:53,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:53,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:23:53,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:53,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 02:23:53,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:53,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:23:53,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:53,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 02:23:53,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:53,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:23:53,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:53,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:53,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:53,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:23:53,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:53,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:23:53,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:53,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:53,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:53,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:53,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:53,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:23:53,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:53,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:53,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:53,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:23:53,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:53,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:23:53,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:53,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:53,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:53,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:53,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:53,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 02:23:53,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:53,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:53,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:53,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 02:23:53,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:53,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 02:23:53,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:53,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:23:53,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 02:23:53,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 02:23:53,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:53,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:23:53,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:53,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:53,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:53,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:23:53,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:53,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:23:53,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:53,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:23:53,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:53,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 02:23:53,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:53,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:23:53,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:53,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:53,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:53,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:23:53,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:53,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:23:53,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:53,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:23:53,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:53,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 02:23:53,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:53,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 02:23:53,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:53,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:53,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:53,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:23:53,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:53,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:23:53,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:53,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:23:53,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:53,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:23:53,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:53,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 02:23:53,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:53,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:53,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:53,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 02:23:53,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:53,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 02:23:53,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:53,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:53,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 02:23:53,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:53,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:53,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:23:53,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:53,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:53,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:53,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:23:53,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:53,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:23:53,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:53,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:53,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:53,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:53,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:53,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:23:53,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:53,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:53,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:53,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:23:53,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:53,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:23:53,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:53,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:53,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:53,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:53,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:53,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 02:23:53,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:53,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:53,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:53,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:23:53,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:53,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:23:53,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:53,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:53,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:53,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:53,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:53,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 02:23:53,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:53,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:53,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:53,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:23:53,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:53,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:23:53,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:53,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:53,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 02:23:53,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:53,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:53,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-27 02:23:53,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:53,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:53,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:53,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:23:53,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:53,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:23:53,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:53,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:53,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:23:53,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:53,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:53,436 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-27 02:23:53,437 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [416023077] [2020-10-27 02:23:53,437 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:23:53,437 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 02:23:53,438 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314566287] [2020-10-27 02:23:53,440 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 02:23:53,440 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:23:53,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 02:23:53,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-10-27 02:23:53,442 INFO L87 Difference]: Start difference. First operand 638 states and 1017 transitions. Second operand 12 states. [2020-10-27 02:23:55,591 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 399 [2020-10-27 02:23:56,035 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 02:23:57,798 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-27 02:23:59,618 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 402 [2020-10-27 02:24:00,772 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 404 [2020-10-27 02:24:01,956 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 02:24:03,310 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 02:24:06,357 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-27 02:24:08,044 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 402 [2020-10-27 02:24:09,270 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:24:28,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:24:28,063 INFO L93 Difference]: Finished difference Result 1598 states and 2806 transitions. [2020-10-27 02:24:28,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-27 02:24:28,064 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 144 [2020-10-27 02:24:28,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:24:28,077 INFO L225 Difference]: With dead ends: 1598 [2020-10-27 02:24:28,078 INFO L226 Difference]: Without dead ends: 994 [2020-10-27 02:24:28,084 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=232, Invalid=524, Unknown=0, NotChecked=0, Total=756 [2020-10-27 02:24:28,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 994 states. [2020-10-27 02:24:28,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 994 to 646. [2020-10-27 02:24:28,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 646 states. [2020-10-27 02:24:28,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 1030 transitions. [2020-10-27 02:24:28,331 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 1030 transitions. Word has length 144 [2020-10-27 02:24:28,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:24:28,331 INFO L481 AbstractCegarLoop]: Abstraction has 646 states and 1030 transitions. [2020-10-27 02:24:28,331 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 02:24:28,332 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 1030 transitions. [2020-10-27 02:24:28,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-27 02:24:28,336 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:24:28,336 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:24:28,337 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 02:24:28,337 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:24:28,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:24:28,338 INFO L82 PathProgramCache]: Analyzing trace with hash 1428128113, now seen corresponding path program 1 times [2020-10-27 02:24:28,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:24:28,338 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1841935894] [2020-10-27 02:24:28,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:24:28,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:28,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:28,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:28,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:28,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:32,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:32,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:33,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:33,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212 [2020-10-27 02:24:33,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:24:33,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-27 02:24:33,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:33,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:24:33,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:24:33,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-27 02:24:33,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:34,575 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 397 [2020-10-27 02:24:34,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:24:34,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:34,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:34,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:34,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:24:34,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:34,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-27 02:24:34,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:34,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:24:34,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:34,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:24:34,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:34,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:24:34,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:34,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:34,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:34,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:24:34,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:34,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:24:34,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:34,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:24:34,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:34,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:24:34,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:34,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:24:34,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:34,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:34,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:34,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:24:34,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:34,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:24:34,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:34,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:24:34,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:34,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:24:34,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:34,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:24:34,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:34,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:34,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:34,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:24:34,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:34,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:24:34,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:34,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:24:34,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:34,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:24:34,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:34,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:24:34,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:34,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:34,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:34,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:24:34,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:34,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:24:34,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:34,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:24:34,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:34,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:24:34,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:35,001 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-27 02:24:35,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 02:24:35,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:35,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:35,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:35,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 02:24:35,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:35,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-27 02:24:35,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:35,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:24:35,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:35,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 02:24:35,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:35,182 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 02:24:35,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:24:35,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:35,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:35,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:35,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:24:35,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:35,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:24:35,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:35,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:24:35,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:35,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:24:35,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:35,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 02:24:35,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:35,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:35,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:35,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:35,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:35,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:24:35,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:24:35,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 292 [2020-10-27 02:24:35,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:35,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:24:35,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:35,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 02:24:35,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:35,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:24:35,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:35,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:35,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:35,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:24:35,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:35,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:24:35,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:35,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:24:35,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:35,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:24:35,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:35,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:24:35,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:35,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:35,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:35,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:24:35,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:35,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:24:35,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:35,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:24:35,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:35,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:24:35,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:35,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:24:35,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:35,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:35,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:35,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:24:35,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:35,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:24:35,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:35,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:24:35,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:35,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:24:35,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:35,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 02:24:35,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:35,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:35,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:35,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:24:35,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:35,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:24:35,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:35,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:24:35,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:35,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 02:24:35,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:24:35,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:24:35,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:35,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:35,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:35,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:24:35,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:35,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:24:35,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:35,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:24:35,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:35,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:24:35,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:35,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:24:35,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:35,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:35,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:35,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:24:35,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:35,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:24:35,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:35,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:24:35,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:35,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:24:35,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:35,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 02:24:35,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:35,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:35,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:35,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:35,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-27 02:24:35,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:24:35,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 02:24:35,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:35,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:24:35,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:35,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 02:24:35,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:35,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:24:35,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:35,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:35,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:35,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 02:24:35,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:35,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:24:35,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:35,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:24:35,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:35,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:24:35,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:35,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:24:35,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:35,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:35,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:35,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:24:35,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:35,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:24:35,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:35,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:24:35,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:35,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:24:35,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:35,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 02:24:35,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:35,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:35,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:35,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:24:35,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:35,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:24:35,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:35,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:24:35,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:35,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:24:35,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:35,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-27 02:24:35,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:35,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:35,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:35,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 02:24:35,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:35,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-27 02:24:35,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:35,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:24:35,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 02:24:35,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 02:24:35,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:35,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:24:35,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:35,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:35,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:35,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 02:24:35,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:35,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:24:35,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:35,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:24:35,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:35,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 02:24:35,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:35,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:24:35,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:35,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:35,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:35,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:24:35,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:35,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:24:35,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:35,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:24:35,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:35,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 02:24:35,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:35,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 02:24:35,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:35,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:35,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:35,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:24:35,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:35,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:24:35,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:35,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:24:35,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:35,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:24:35,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:35,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-27 02:24:35,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:35,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:35,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:35,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:24:35,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:35,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:24:35,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:35,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:24:35,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 02:24:35,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:24:35,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:35,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 02:24:35,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:35,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:35,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:35,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:24:35,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:35,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:24:35,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:35,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:24:35,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:24:35,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:24:35,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:35,904 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-27 02:24:35,904 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1841935894] [2020-10-27 02:24:35,905 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:24:35,905 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-27 02:24:35,905 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811436852] [2020-10-27 02:24:35,905 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 02:24:35,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:24:35,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 02:24:35,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-10-27 02:24:35,908 INFO L87 Difference]: Start difference. First operand 646 states and 1030 transitions. Second operand 12 states. [2020-10-27 02:24:37,725 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 399 [2020-10-27 02:24:38,172 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 02:24:39,670 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-27 02:24:41,345 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 402 [2020-10-27 02:24:42,519 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 404 [2020-10-27 02:24:43,484 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 02:24:44,796 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 02:24:47,156 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-27 02:24:49,046 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 402 [2020-10-27 02:24:49,939 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:25:03,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:25:03,133 INFO L93 Difference]: Finished difference Result 1616 states and 2836 transitions. [2020-10-27 02:25:03,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-27 02:25:03,134 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 146 [2020-10-27 02:25:03,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:25:03,146 INFO L225 Difference]: With dead ends: 1616 [2020-10-27 02:25:03,147 INFO L226 Difference]: Without dead ends: 1000 [2020-10-27 02:25:03,152 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=232, Invalid=524, Unknown=0, NotChecked=0, Total=756 [2020-10-27 02:25:03,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1000 states. [2020-10-27 02:25:03,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1000 to 652. [2020-10-27 02:25:03,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 652 states. [2020-10-27 02:25:03,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 1034 transitions. [2020-10-27 02:25:03,367 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 1034 transitions. Word has length 146 [2020-10-27 02:25:03,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:25:03,367 INFO L481 AbstractCegarLoop]: Abstraction has 652 states and 1034 transitions. [2020-10-27 02:25:03,367 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 02:25:03,367 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 1034 transitions. [2020-10-27 02:25:03,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-27 02:25:03,371 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:25:03,371 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:25:03,372 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 02:25:03,372 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:25:03,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:25:03,372 INFO L82 PathProgramCache]: Analyzing trace with hash -304839859, now seen corresponding path program 1 times [2020-10-27 02:25:03,373 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:25:03,373 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [729608035] [2020-10-27 02:25:03,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:25:03,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:03,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:03,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:03,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:03,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:04,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:07,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:08,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:08,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:08,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:08,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 214 [2020-10-27 02:25:08,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 02:25:08,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-27 02:25:08,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:08,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:25:08,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:25:08,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 162 [2020-10-27 02:25:08,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:09,744 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 397 [2020-10-27 02:25:09,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:25:09,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:09,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:09,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:09,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:25:09,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:09,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 156 [2020-10-27 02:25:09,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:09,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:25:09,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:09,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:25:09,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:09,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:25:09,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:09,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:09,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:09,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:25:09,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:09,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:25:09,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:09,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:25:09,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:09,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:25:09,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:09,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:25:09,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:09,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:09,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:09,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:25:09,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:09,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:25:09,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:09,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:25:09,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:09,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:25:09,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:09,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:25:09,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:09,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:09,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:09,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:25:09,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:09,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:25:09,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:09,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:25:09,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:09,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:25:09,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:09,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:25:09,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:09,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:09,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:09,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:25:09,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:09,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:25:09,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:09,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:25:09,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:09,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:25:09,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:10,180 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-27 02:25:10,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 02:25:10,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:10,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:10,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:10,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 02:25:10,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:10,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-27 02:25:10,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:10,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:25:10,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:10,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 02:25:10,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:10,362 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 02:25:10,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:25:10,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:10,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:10,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:10,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:25:10,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:10,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:25:10,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:10,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:10,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:10,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:10,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:10,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 02:25:10,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:10,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:10,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:10,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:10,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:10,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:25:10,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:25:10,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 297 [2020-10-27 02:25:10,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:10,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:25:10,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:10,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 02:25:10,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:10,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:25:10,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:10,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:10,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:10,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:25:10,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:10,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:25:10,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:10,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:10,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:10,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:10,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:10,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:25:10,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:10,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:10,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:10,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:25:10,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:10,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:25:10,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:10,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:10,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:10,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:10,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:10,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:25:10,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:10,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:10,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:10,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:25:10,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:10,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:25:10,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:10,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:10,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:10,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:10,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:10,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 02:25:10,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:10,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:10,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:10,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:25:10,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:10,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:25:10,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:10,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:25:10,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:10,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 02:25:10,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:10,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:25:10,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:10,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:10,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:10,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:25:10,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:10,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:25:10,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:10,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:10,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:10,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:10,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:10,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:25:10,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:10,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:10,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:10,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:25:10,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:10,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:25:10,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:10,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:10,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:10,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:10,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:10,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 02:25:10,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:10,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:10,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:10,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:10,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 02:25:10,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:25:10,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 02:25:10,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:10,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:25:10,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:10,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-27 02:25:10,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:10,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:25:10,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:10,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:10,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:10,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 02:25:10,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:10,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:25:10,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:10,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:10,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:10,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:10,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:10,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:25:10,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:10,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:10,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:10,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 02:25:10,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:10,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:25:10,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:10,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:10,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:10,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:10,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:10,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 02:25:10,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:10,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:10,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:10,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:25:10,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:10,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:25:10,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:10,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:10,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:10,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:10,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:10,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-27 02:25:10,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:10,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:10,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:10,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-27 02:25:10,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:10,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 02:25:10,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:10,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:25:10,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 02:25:10,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 02:25:10,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:10,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:25:10,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:10,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:10,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:10,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 02:25:10,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:10,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 02:25:10,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:10,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:25:10,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:10,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 02:25:10,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:10,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:25:10,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:10,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:10,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:10,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 02:25:10,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:10,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 02:25:10,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:10,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:25:10,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:10,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 02:25:10,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:11,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 02:25:11,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:11,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:11,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:11,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:25:11,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:11,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:25:11,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:11,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:25:11,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:11,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:25:11,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:11,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 02:25:11,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:11,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:11,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:11,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:25:11,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:11,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:25:11,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:11,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:11,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 02:25:11,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:11,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:11,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-27 02:25:11,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:11,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:11,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:11,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:25:11,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:11,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:25:11,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:11,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:11,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:25:11,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:11,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:11,122 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-27 02:25:11,122 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [729608035] [2020-10-27 02:25:11,122 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:25:11,122 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 02:25:11,123 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720353581] [2020-10-27 02:25:11,123 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 02:25:11,123 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:25:11,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 02:25:11,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2020-10-27 02:25:11,124 INFO L87 Difference]: Start difference. First operand 652 states and 1034 transitions. Second operand 13 states. [2020-10-27 02:25:13,256 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 399 [2020-10-27 02:25:13,729 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 02:25:15,303 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-27 02:25:17,072 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-27 02:25:18,314 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 02:25:19,295 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 02:25:20,678 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 02:25:23,178 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-27 02:25:25,418 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-27 02:25:26,274 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:25:40,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:25:40,936 INFO L93 Difference]: Finished difference Result 1629 states and 2843 transitions. [2020-10-27 02:25:40,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-27 02:25:40,937 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 148 [2020-10-27 02:25:40,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:25:40,947 INFO L225 Difference]: With dead ends: 1629 [2020-10-27 02:25:40,948 INFO L226 Difference]: Without dead ends: 1007 [2020-10-27 02:25:40,953 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=251, Invalid=561, Unknown=0, NotChecked=0, Total=812 [2020-10-27 02:25:40,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1007 states. [2020-10-27 02:25:41,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1007 to 659. [2020-10-27 02:25:41,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2020-10-27 02:25:41,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 1039 transitions. [2020-10-27 02:25:41,174 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 1039 transitions. Word has length 148 [2020-10-27 02:25:41,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:25:41,175 INFO L481 AbstractCegarLoop]: Abstraction has 659 states and 1039 transitions. [2020-10-27 02:25:41,175 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 02:25:41,175 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 1039 transitions. [2020-10-27 02:25:41,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-27 02:25:41,179 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:25:41,179 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:25:41,179 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 02:25:41,180 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:25:41,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:25:41,180 INFO L82 PathProgramCache]: Analyzing trace with hash 292679345, now seen corresponding path program 1 times [2020-10-27 02:25:41,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:25:41,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [421887866] [2020-10-27 02:25:41,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:25:41,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:41,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:41,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:41,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:42,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:42,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:44,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:44,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:46,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:46,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-27 02:25:46,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 02:25:46,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-27 02:25:46,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:46,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 02:25:46,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:25:46,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-27 02:25:46,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:47,422 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 397 [2020-10-27 02:25:47,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:25:47,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:47,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:47,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:47,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:25:47,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:47,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-27 02:25:47,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:47,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:25:47,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:47,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:25:47,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:47,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:25:47,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:47,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:47,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:47,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:25:47,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:47,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:25:47,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:47,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:25:47,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:47,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:25:47,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:47,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:25:47,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:47,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:47,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:47,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:25:47,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:47,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:25:47,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:47,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:25:47,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:47,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:25:47,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:47,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:25:47,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:47,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:47,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:47,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:25:47,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:47,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:25:47,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:47,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:25:47,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:47,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:25:47,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:47,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:25:47,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:47,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:47,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:47,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:25:47,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:47,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:25:47,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:47,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:25:47,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:47,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:25:47,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:47,774 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-27 02:25:47,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 02:25:47,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:47,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:47,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:47,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 02:25:47,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:47,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-27 02:25:47,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:47,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:25:47,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:47,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 02:25:47,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:47,983 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 02:25:47,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:25:47,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:47,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:47,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:47,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:25:47,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:47,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:25:47,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:47,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:25:47,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:47,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:25:47,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:48,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 02:25:48,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:48,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:48,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:48,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:48,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:48,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:25:48,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:25:48,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 201 [2020-10-27 02:25:48,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:48,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:25:48,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:48,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 02:25:48,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:48,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:25:48,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:48,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:48,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:48,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:25:48,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:48,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:25:48,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:48,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:48,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:48,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:48,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:48,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:25:48,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:48,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:48,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:48,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:25:48,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:48,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:25:48,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:48,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:48,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:48,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:48,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:48,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:25:48,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:48,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:48,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:48,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:25:48,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:48,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:25:48,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:48,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:48,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:48,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:48,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:48,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 02:25:48,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:48,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:48,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:48,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:25:48,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:48,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:25:48,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:48,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:25:48,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:48,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 02:25:48,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:48,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:25:48,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:48,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:48,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:48,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:25:48,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:48,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:25:48,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:48,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:48,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:48,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:48,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:48,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:25:48,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:48,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:48,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:48,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:25:48,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:48,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:25:48,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:48,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:48,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:48,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:48,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:48,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 02:25:48,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:48,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:48,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:48,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 02:25:48,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:48,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 02:25:48,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:48,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:25:48,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-27 02:25:48,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 02:25:48,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:48,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:25:48,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:48,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:48,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:48,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 02:25:48,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:48,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 02:25:48,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:48,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:48,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:48,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:48,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:48,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:25:48,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:48,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:48,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:48,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 02:25:48,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:48,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:25:48,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:48,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:48,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:48,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:48,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:48,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 02:25:48,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:48,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:48,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:48,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:25:48,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:48,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:25:48,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:48,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:25:48,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:48,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:25:48,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:48,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 02:25:48,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:48,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:48,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:48,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 02:25:48,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:48,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:25:48,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:48,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:48,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-27 02:25:48,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:48,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:48,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:25:48,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:48,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:48,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:48,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 02:25:48,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:48,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:25:48,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:48,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:48,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:48,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:48,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:48,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:25:48,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:48,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:48,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:48,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 02:25:48,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:48,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:25:48,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:48,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:48,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:48,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:48,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:48,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 02:25:48,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:48,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:48,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:48,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:25:48,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:48,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:25:48,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:48,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:48,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:48,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:48,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:48,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-27 02:25:48,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:48,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:48,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:48,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:25:48,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:48,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:25:48,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:48,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:48,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 02:25:48,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:48,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:48,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-27 02:25:48,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:48,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:48,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:48,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:25:48,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:48,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:25:48,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:48,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:48,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:25:48,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:48,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:48,590 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-27 02:25:48,590 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [421887866] [2020-10-27 02:25:48,590 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:25:48,590 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-27 02:25:48,591 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799281819] [2020-10-27 02:25:48,591 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 02:25:48,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:25:48,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 02:25:48,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2020-10-27 02:25:48,592 INFO L87 Difference]: Start difference. First operand 659 states and 1039 transitions. Second operand 15 states. [2020-10-27 02:25:50,661 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 401 [2020-10-27 02:25:51,304 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2020-10-27 02:25:53,566 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 401 DAG size of output: 400 [2020-10-27 02:25:55,721 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 149 [2020-10-27 02:25:58,019 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 403 DAG size of output: 402 [2020-10-27 02:26:01,346 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 403 DAG size of output: 402 [2020-10-27 02:26:03,677 WARN L193 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 404 DAG size of output: 403 [2020-10-27 02:26:05,524 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 119 [2020-10-27 02:26:07,189 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 116 [2020-10-27 02:26:10,125 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 152 [2020-10-27 02:26:11,399 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 02:26:11,717 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 02:26:12,312 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-27 02:26:13,495 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-27 02:26:17,277 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-27 02:26:18,498 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 404 [2020-10-27 02:26:19,431 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 02:26:21,119 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 02:26:24,879 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-27 02:26:26,726 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 02:26:27,124 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:26:28,339 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 399 [2020-10-27 02:26:28,877 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-27 02:26:30,040 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 401 [2020-10-27 02:26:34,830 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 401 [2020-10-27 02:26:36,012 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 402 [2020-10-27 02:26:37,277 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 02:26:37,789 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 02:26:41,075 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 151