/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_spec1_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 02:11:46,863 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 02:11:46,867 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 02:11:46,928 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 02:11:46,928 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 02:11:46,937 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 02:11:46,939 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 02:11:46,944 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 02:11:46,947 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 02:11:46,955 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 02:11:46,956 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 02:11:46,958 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 02:11:46,958 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 02:11:46,961 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 02:11:46,964 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 02:11:46,965 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 02:11:46,967 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 02:11:46,971 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 02:11:46,973 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 02:11:46,995 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 02:11:47,012 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 02:11:47,015 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 02:11:47,016 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 02:11:47,021 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 02:11:47,031 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 02:11:47,032 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 02:11:47,032 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 02:11:47,036 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 02:11:47,036 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 02:11:47,037 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 02:11:47,038 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 02:11:47,038 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 02:11:47,040 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 02:11:47,041 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 02:11:47,042 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 02:11:47,043 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 02:11:47,043 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 02:11:47,043 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 02:11:47,044 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 02:11:47,045 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 02:11:47,045 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 02:11:47,047 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 02:11:47,095 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 02:11:47,096 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 02:11:47,100 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 02:11:47,101 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 02:11:47,101 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 02:11:47,101 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 02:11:47,102 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 02:11:47,102 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 02:11:47,102 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 02:11:47,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 02:11:47,103 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 02:11:47,104 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 02:11:47,104 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 02:11:47,104 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 02:11:47,104 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 02:11:47,104 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 02:11:47,105 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 02:11:47,105 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 02:11:47,105 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 02:11:47,105 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 02:11:47,105 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 02:11:47,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:11:47,106 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 02:11:47,106 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 02:11:47,106 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 02:11:47,106 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 02:11:47,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 02:11:47,107 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 02:11:47,107 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 02:11:47,107 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 02:11:47,480 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 02:11:47,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 02:11:47,511 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 02:11:47,512 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 02:11:47,513 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 02:11:47,514 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec1_product20.cil.c [2020-10-27 02:11:47,594 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5dc93181e/9c1f1243facd44f4a8b7382866eaf5d8/FLAGf3621a16b [2020-10-27 02:11:48,354 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 02:11:48,355 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec1_product20.cil.c [2020-10-27 02:11:48,386 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5dc93181e/9c1f1243facd44f4a8b7382866eaf5d8/FLAGf3621a16b [2020-10-27 02:11:48,494 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5dc93181e/9c1f1243facd44f4a8b7382866eaf5d8 [2020-10-27 02:11:48,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 02:11:48,506 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 02:11:48,511 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 02:11:48,511 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 02:11:48,515 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 02:11:48,516 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:11:48" (1/1) ... [2020-10-27 02:11:48,527 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fb1bec4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:11:48, skipping insertion in model container [2020-10-27 02:11:48,527 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:11:48" (1/1) ... [2020-10-27 02:11:48,535 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 02:11:48,636 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 02:11:49,284 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:11:49,297 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 02:11:49,411 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:11:49,491 INFO L208 MainTranslator]: Completed translation [2020-10-27 02:11:49,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:11:49 WrapperNode [2020-10-27 02:11:49,493 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 02:11:49,494 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 02:11:49,494 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 02:11:49,494 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 02:11:49,506 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:11:49" (1/1) ... [2020-10-27 02:11:49,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:11:49" (1/1) ... [2020-10-27 02:11:49,541 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:11:49" (1/1) ... [2020-10-27 02:11:49,542 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:11:49" (1/1) ... [2020-10-27 02:11:49,606 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:11:49" (1/1) ... [2020-10-27 02:11:49,664 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:11:49" (1/1) ... [2020-10-27 02:11:49,687 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:11:49" (1/1) ... [2020-10-27 02:11:49,711 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 02:11:49,712 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 02:11:49,712 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 02:11:49,712 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 02:11:49,713 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:11:49" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:11:49,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 02:11:49,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 02:11:49,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 02:11:49,802 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 02:11:49,802 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-27 02:11:49,803 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-27 02:11:49,803 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-27 02:11:49,803 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-27 02:11:49,804 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-27 02:11:49,804 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-27 02:11:49,804 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-27 02:11:49,805 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-27 02:11:49,805 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-27 02:11:49,805 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-27 02:11:49,805 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-27 02:11:49,806 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-27 02:11:49,806 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-27 02:11:49,806 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-27 02:11:49,806 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-27 02:11:49,807 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-27 02:11:49,807 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2020-10-27 02:11:49,807 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-27 02:11:49,807 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-27 02:11:49,807 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-27 02:11:49,807 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-27 02:11:49,807 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-27 02:11:49,808 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-27 02:11:49,808 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-27 02:11:49,808 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2020-10-27 02:11:49,808 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 02:11:49,808 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2020-10-27 02:11:49,808 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-27 02:11:49,808 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-27 02:11:49,809 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-27 02:11:49,809 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-27 02:11:49,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 02:11:49,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 02:11:49,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 02:11:49,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 02:11:49,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 02:11:49,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 02:11:49,810 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 02:11:49,810 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 02:11:49,810 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 02:11:49,810 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 02:11:49,810 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 02:11:49,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 02:11:49,811 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-27 02:11:49,811 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-27 02:11:49,811 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-27 02:11:49,811 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-27 02:11:49,811 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-27 02:11:49,812 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-27 02:11:49,812 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-27 02:11:49,813 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-27 02:11:49,813 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-27 02:11:49,813 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-27 02:11:49,813 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-27 02:11:49,813 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-27 02:11:49,813 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-27 02:11:49,814 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-27 02:11:49,814 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-27 02:11:49,814 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-27 02:11:49,814 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-27 02:11:49,814 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-27 02:11:49,814 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 02:11:49,815 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-27 02:11:49,815 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-27 02:11:49,815 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-27 02:11:49,815 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 02:11:49,815 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-27 02:11:49,816 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 02:11:49,817 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 02:11:49,818 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 02:11:49,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-27 02:11:49,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__2 [2020-10-27 02:11:49,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__3 [2020-10-27 02:11:49,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__4 [2020-10-27 02:11:49,818 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-27 02:11:49,819 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-27 02:11:49,819 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-27 02:11:49,819 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 02:11:49,820 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 02:11:49,820 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 02:11:49,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 02:11:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 02:11:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 02:11:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-27 02:11:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-27 02:11:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-27 02:11:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-27 02:11:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-27 02:11:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-27 02:11:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-27 02:11:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-27 02:11:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-27 02:11:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 02:11:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-27 02:11:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-27 02:11:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-27 02:11:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-27 02:11:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-27 02:11:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-27 02:11:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-27 02:11:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-27 02:11:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-27 02:11:49,824 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-27 02:11:49,824 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-27 02:11:49,824 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-27 02:11:49,824 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-27 02:11:49,825 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-27 02:11:49,825 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-27 02:11:49,825 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-27 02:11:49,826 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-27 02:11:49,826 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-27 02:11:49,826 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-27 02:11:49,827 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2020-10-27 02:11:49,827 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-27 02:11:49,828 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-27 02:11:49,828 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-27 02:11:49,828 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-27 02:11:49,828 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-27 02:11:49,828 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-27 02:11:49,829 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2020-10-27 02:11:49,829 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__3 [2020-10-27 02:11:49,829 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2020-10-27 02:11:49,829 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-27 02:11:49,829 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 02:11:49,829 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 02:11:49,830 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 02:11:49,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 02:11:49,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 02:11:49,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 02:11:49,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 02:11:49,835 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 02:11:49,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 02:11:49,835 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 02:11:49,836 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 02:11:49,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 02:11:49,838 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 02:11:49,838 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 02:11:49,838 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 02:11:49,838 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-27 02:11:49,844 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-27 02:11:49,844 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 02:11:49,844 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 02:11:49,844 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 02:11:49,844 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 02:11:49,845 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 02:11:49,845 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 02:11:49,845 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 02:11:49,845 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-27 02:11:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-27 02:11:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-27 02:11:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-27 02:11:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-27 02:11:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__2 [2020-10-27 02:11:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 02:11:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-27 02:11:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-27 02:11:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-27 02:11:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-27 02:11:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-27 02:11:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-27 02:11:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-27 02:11:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-27 02:11:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-27 02:11:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 02:11:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-27 02:11:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 02:11:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-27 02:11:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__4 [2020-10-27 02:11:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 02:11:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 02:11:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 02:11:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 02:11:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 02:11:52,484 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 02:11:52,484 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-27 02:11:52,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:11:52 BoogieIcfgContainer [2020-10-27 02:11:52,488 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 02:11:52,490 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 02:11:52,490 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 02:11:52,493 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 02:11:52,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 02:11:48" (1/3) ... [2020-10-27 02:11:52,494 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16e3774b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:11:52, skipping insertion in model container [2020-10-27 02:11:52,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:11:49" (2/3) ... [2020-10-27 02:11:52,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16e3774b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:11:52, skipping insertion in model container [2020-10-27 02:11:52,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:11:52" (3/3) ... [2020-10-27 02:11:52,497 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product20.cil.c [2020-10-27 02:11:52,508 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 02:11:52,514 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 02:11:52,528 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 02:11:52,565 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 02:11:52,566 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 02:11:52,566 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 02:11:52,566 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 02:11:52,566 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 02:11:52,566 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 02:11:52,566 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 02:11:52,567 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 02:11:52,602 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states. [2020-10-27 02:11:52,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-27 02:11:52,617 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:11:52,618 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:11:52,618 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 02:11:52,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:11:52,625 INFO L82 PathProgramCache]: Analyzing trace with hash 51883874, now seen corresponding path program 1 times [2020-10-27 02:11:52,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:11:52,634 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [520196188] [2020-10-27 02:11:52,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:11:53,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:11:53,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:53,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:53,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:54,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:55,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:55,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:56,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:58,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:11:58,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-27 02:11:58,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 02:11:58,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5043 [2020-10-27 02:11:58,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:11:58,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:11:58,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-27 02:11:58,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:11:58,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-27 02:11:59,277 WARN L193 SmtUtils]: Spent 959.00 ms on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:11:59,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:11:59,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:11:59,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:59,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:11:59,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:11:59,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:11:59,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-27 02:11:59,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:11:59,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:11:59,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:11:59,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:11:59,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:11:59,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:11:59,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:11:59,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:59,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:11:59,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:11:59,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:11:59,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:11:59,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:11:59,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:11:59,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:11:59,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:11:59,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:11:59,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:11:59,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:11:59,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:59,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:11:59,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:11:59,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:11:59,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:11:59,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:11:59,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:11:59,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:11:59,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:11:59,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:11:59,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:11:59,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:11:59,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:59,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:11:59,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:11:59,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:11:59,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:11:59,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:11:59,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:11:59,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:11:59,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:11:59,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:11:59,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:11:59,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:11:59,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:59,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:11:59,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:11:59,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:11:59,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:11:59,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:11:59,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:11:59,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:11:59,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:11:59,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:11:59,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 02:11:59,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:11:59,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:59,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:11:59,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:11:59,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:11:59,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:11:59,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:11:59,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:11:59,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:11:59,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:11:59,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:11:59,756 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 02:11:59,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:11:59,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:11:59,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:59,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:59,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:59,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:00,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:00,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:00,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:02,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:02,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:02,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:04,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:04,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-27 02:12:04,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 02:12:04,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-27 02:12:04,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:04,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:12:04,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:12:04,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:12:04,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:12:04,990 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 02:12:04,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:12:05,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:05,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:05,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:05,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:05,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:05,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:06,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:06,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 02:12:06,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:12:06,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1285 [2020-10-27 02:12:06,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:06,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:12:06,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:12:06,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:12:06,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:06,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:12:06,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:06,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:06,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:06,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:12:06,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:12:06,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:12:06,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:06,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:12:06,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:12:06,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:12:06,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:06,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:12:06,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:06,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:06,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:06,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:06,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 02:12:06,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:12:06,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-27 02:12:06,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:06,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:12:06,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:12:06,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 02:12:06,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:06,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:12:06,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:06,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:06,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:06,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:12:06,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:12:06,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 02:12:06,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:06,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:12:06,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:12:06,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:12:06,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:06,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:12:06,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:06,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:06,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:06,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:12:06,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:12:06,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:12:06,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:06,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:12:06,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:12:06,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:12:06,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:12:06,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:12:06,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:06,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:06,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:06,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:06,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:06,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:07,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:07,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:07,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 02:12:07,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:12:07,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1170 [2020-10-27 02:12:07,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:07,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:12:07,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:12:07,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:12:07,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:07,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:12:07,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:07,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:07,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:07,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:12:07,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:12:07,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:12:07,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:07,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:12:07,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:12:07,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:12:07,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:07,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:12:07,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:07,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:07,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:07,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:07,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 02:12:07,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:12:07,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-27 02:12:07,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:07,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:12:07,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:12:07,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 02:12:07,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:07,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:12:07,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:07,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:07,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:07,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:12:07,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:12:07,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 02:12:07,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:07,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:12:07,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:12:07,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:12:07,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:07,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:12:07,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:07,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:07,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:07,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:12:07,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:12:07,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:12:07,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:07,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:12:07,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:12:07,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:12:07,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:07,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 02:12:07,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:07,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:07,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:07,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:07,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-27 02:12:07,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:12:07,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 02:12:07,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:07,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:12:07,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-27 02:12:07,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:12:07,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:12:07,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:12:07,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:07,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:07,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:07,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 02:12:07,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:12:07,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 02:12:07,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:07,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:12:07,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:12:07,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:12:07,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:07,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:12:07,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:07,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:07,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:07,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:12:07,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:12:07,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:12:07,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:07,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:12:07,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:12:07,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:12:07,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:07,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:12:07,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:07,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:07,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:07,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 02:12:07,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:12:07,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:12:07,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:07,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:12:07,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:12:07,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:12:07,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:07,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:12:07,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:07,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:07,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:07,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:12:07,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:12:07,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:12:07,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:07,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:12:07,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:12:07,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:12:07,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 02:12:08,247 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-27 02:12:08,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [520196188] [2020-10-27 02:12:08,250 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:12:08,251 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 02:12:08,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656147392] [2020-10-27 02:12:08,257 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 02:12:08,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:12:08,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 02:12:08,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-27 02:12:08,276 INFO L87 Difference]: Start difference. First operand 791 states. Second operand 13 states. [2020-10-27 02:12:10,259 WARN L193 SmtUtils]: Spent 945.00 ms on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:12:11,200 WARN L193 SmtUtils]: Spent 898.00 ms on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 02:12:12,372 WARN L193 SmtUtils]: Spent 930.00 ms on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:12:33,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:12:33,177 INFO L93 Difference]: Finished difference Result 1529 states and 2561 transitions. [2020-10-27 02:12:33,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 02:12:33,179 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 117 [2020-10-27 02:12:33,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:12:33,215 INFO L225 Difference]: With dead ends: 1529 [2020-10-27 02:12:33,216 INFO L226 Difference]: Without dead ends: 897 [2020-10-27 02:12:33,230 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=103, Invalid=317, Unknown=0, NotChecked=0, Total=420 [2020-10-27 02:12:33,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 897 states. [2020-10-27 02:12:33,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 897 to 627. [2020-10-27 02:12:33,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 627 states. [2020-10-27 02:12:33,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 991 transitions. [2020-10-27 02:12:33,553 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 991 transitions. Word has length 117 [2020-10-27 02:12:33,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:12:33,554 INFO L481 AbstractCegarLoop]: Abstraction has 627 states and 991 transitions. [2020-10-27 02:12:33,554 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 02:12:33,554 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 991 transitions. [2020-10-27 02:12:33,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-27 02:12:33,560 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:12:33,561 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:12:33,561 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 02:12:33,561 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 02:12:33,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:12:33,562 INFO L82 PathProgramCache]: Analyzing trace with hash -611102945, now seen corresponding path program 1 times [2020-10-27 02:12:33,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:12:33,562 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [998342626] [2020-10-27 02:12:33,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:12:33,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:33,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:33,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:33,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:34,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:34,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:34,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:35,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:38,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:38,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-27 02:12:38,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 02:12:38,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5070 [2020-10-27 02:12:38,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:38,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:12:38,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-27 02:12:38,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:12:38,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:39,741 WARN L193 SmtUtils]: Spent 908.00 ms on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:12:39,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:12:39,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:39,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:39,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:39,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:12:39,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:12:39,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-27 02:12:39,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:39,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:12:39,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:12:39,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:12:39,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:39,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:12:39,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:39,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:39,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:39,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:12:39,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:12:39,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:12:39,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:39,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:12:39,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:12:39,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:12:39,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:39,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:12:39,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:39,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:39,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:39,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:12:39,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:12:39,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:12:39,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:39,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:12:39,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:12:39,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:12:39,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:39,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:12:39,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:39,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:39,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:39,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:12:39,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:12:39,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:12:39,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:39,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:12:39,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:12:39,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:12:39,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:39,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:12:39,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:39,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:39,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:39,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:12:39,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:12:39,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:12:39,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:39,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:12:39,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:12:39,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:12:39,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:39,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 02:12:39,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:39,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:39,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:39,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:12:39,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:12:39,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:12:39,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:39,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:12:39,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:12:39,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:12:39,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:40,117 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 02:12:40,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:12:40,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:40,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:40,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:40,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:40,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:40,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:40,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:40,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:40,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:40,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:41,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:45,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:45,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-27 02:12:45,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 02:12:45,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 02:12:45,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:45,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:12:45,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:12:45,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:12:45,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:45,301 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 02:12:45,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:12:45,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:45,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:45,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:45,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:45,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:45,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:46,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:46,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 02:12:46,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:12:46,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 961 [2020-10-27 02:12:46,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:46,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:12:46,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:12:46,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:12:46,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:46,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:12:46,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:46,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:46,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:46,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:12:46,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:12:46,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:12:46,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:46,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:12:46,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:12:46,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:12:46,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:46,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:12:46,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:46,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:46,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:46,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:46,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 02:12:46,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:12:46,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-27 02:12:46,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:46,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:12:46,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:12:46,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 02:12:46,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:46,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 02:12:46,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:46,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:46,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:46,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:12:46,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:12:46,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 02:12:46,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:46,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:12:46,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:12:46,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:12:46,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:46,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:12:46,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:46,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:46,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:46,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:12:46,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:12:46,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:12:46,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:46,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:12:46,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:12:46,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:12:46,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:46,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 02:12:46,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:46,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:46,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:46,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:46,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:46,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:47,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:47,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:47,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 02:12:47,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:12:47,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 967 [2020-10-27 02:12:47,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:47,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:12:47,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:12:47,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:12:47,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:47,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:12:47,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:47,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:47,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:47,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:12:47,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:12:47,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:12:47,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:47,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:12:47,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:12:47,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:12:47,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:47,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:12:47,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:47,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:47,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:47,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:47,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 02:12:47,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:12:47,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 02:12:47,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:47,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:12:47,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:12:47,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 02:12:47,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:47,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 02:12:47,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:47,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:47,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:47,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:12:47,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:12:47,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:12:47,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:47,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:12:47,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:12:47,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:12:47,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:47,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:12:47,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:47,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:47,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:47,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:12:47,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:12:47,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:12:47,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:47,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:12:47,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:12:47,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:12:47,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:47,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 02:12:47,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:47,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:47,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:47,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 02:12:47,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:12:47,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 02:12:47,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:47,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:12:47,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 02:12:47,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:12:47,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:47,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:12:47,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:47,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:47,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:47,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 02:12:47,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:12:47,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 02:12:47,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:47,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:12:47,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:12:47,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:12:47,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:47,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:12:47,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:47,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:47,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:47,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:12:47,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:12:47,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:12:47,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:47,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:12:47,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:12:47,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:12:47,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:47,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:12:47,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:47,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:47,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:47,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 02:12:47,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:12:47,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:12:47,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:47,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:12:47,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:12:47,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:12:47,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:47,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:12:47,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:47,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:47,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:47,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:12:47,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:12:47,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:12:47,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:47,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:12:47,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:12:47,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:12:47,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:47,805 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-27 02:12:47,805 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [998342626] [2020-10-27 02:12:47,806 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:12:47,806 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 02:12:47,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890460392] [2020-10-27 02:12:47,807 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 02:12:47,807 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:12:47,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 02:12:47,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-27 02:12:47,808 INFO L87 Difference]: Start difference. First operand 627 states and 991 transitions. Second operand 13 states. [2020-10-27 02:12:49,609 WARN L193 SmtUtils]: Spent 890.00 ms on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:12:50,627 WARN L193 SmtUtils]: Spent 980.00 ms on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 02:12:51,755 WARN L193 SmtUtils]: Spent 952.00 ms on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:13:07,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:13:07,678 INFO L93 Difference]: Finished difference Result 1503 states and 2495 transitions. [2020-10-27 02:13:07,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 02:13:07,679 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 123 [2020-10-27 02:13:07,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:13:07,690 INFO L225 Difference]: With dead ends: 1503 [2020-10-27 02:13:07,690 INFO L226 Difference]: Without dead ends: 897 [2020-10-27 02:13:07,695 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=97, Invalid=323, Unknown=0, NotChecked=0, Total=420 [2020-10-27 02:13:07,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 897 states. [2020-10-27 02:13:07,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 897 to 627. [2020-10-27 02:13:07,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 627 states. [2020-10-27 02:13:07,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 985 transitions. [2020-10-27 02:13:07,893 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 985 transitions. Word has length 123 [2020-10-27 02:13:07,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:13:07,893 INFO L481 AbstractCegarLoop]: Abstraction has 627 states and 985 transitions. [2020-10-27 02:13:07,893 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 02:13:07,893 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 985 transitions. [2020-10-27 02:13:07,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-27 02:13:07,896 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:13:07,897 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:13:07,897 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 02:13:07,897 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 02:13:07,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:13:07,898 INFO L82 PathProgramCache]: Analyzing trace with hash -261213711, now seen corresponding path program 1 times [2020-10-27 02:13:07,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:13:07,898 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1815623458] [2020-10-27 02:13:07,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:13:07,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:07,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:08,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:08,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:08,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:08,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:09,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:12,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:12,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-27 02:13:12,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:13:12,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-27 02:13:12,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:12,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:13:12,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-27 02:13:12,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:13:12,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:13,912 WARN L193 SmtUtils]: Spent 858.00 ms on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:13:13,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:13:13,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:13,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:13,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:13,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:13:13,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:13,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-27 02:13:13,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:13,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:13,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:13,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:13,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:13,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:13:13,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:13,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:13,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:13,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:13:13,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:13,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:13:13,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:13,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:13,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:13,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:13,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:14,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:13:14,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:14,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:14,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:14,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:13:14,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:14,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:13:14,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:14,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:14,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:14,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:14,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:14,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:13:14,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:14,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:14,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:14,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:13:14,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:14,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:13:14,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:14,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:14,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:14,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:14,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:14,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:13:14,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:14,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:14,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:14,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:13:14,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:14,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:13:14,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:14,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:14,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:14,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:14,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:14,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 02:13:14,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:14,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:14,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:14,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:13:14,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:14,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:13:14,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:14,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:14,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:14,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:14,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:14,292 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 02:13:14,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:13:14,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:14,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:14,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:14,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:14,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:14,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:14,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:16,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:16,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:19,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:19,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-27 02:13:19,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 02:13:19,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 02:13:19,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:19,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:13:19,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:13:19,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:13:19,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:19,499 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 02:13:19,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:13:19,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:19,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:19,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:19,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:19,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:19,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:20,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:20,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 02:13:20,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:13:20,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 893 [2020-10-27 02:13:20,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:20,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:13:20,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:13:20,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:13:20,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:20,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:13:20,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:20,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:20,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:20,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:13:20,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:20,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:13:20,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:20,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:13:20,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:13:20,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 02:13:20,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:20,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:13:20,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:20,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:20,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:20,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:20,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 02:13:20,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:13:20,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-27 02:13:20,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:20,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:13:20,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:13:20,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 02:13:20,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:20,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 02:13:20,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:20,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:20,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:20,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:13:20,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:20,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 02:13:20,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:20,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:13:20,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:20,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:13:20,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:20,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:13:20,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:20,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:20,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:20,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:13:20,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:20,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:13:20,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:20,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:20,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:20,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:20,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:20,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 02:13:20,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:20,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:20,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:20,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:20,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:21,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:21,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 02:13:21,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:13:21,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 437 [2020-10-27 02:13:21,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:21,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 02:13:21,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 02:13:21,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 02:13:21,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:21,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:13:21,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:21,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:21,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:21,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:13:21,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:21,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:13:21,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:21,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:13:21,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:21,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:13:21,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:21,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:13:21,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:21,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:21,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:21,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:21,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:21,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 02:13:21,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:13:21,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 189 [2020-10-27 02:13:21,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:21,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:13:21,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:13:21,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 02:13:21,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:21,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 02:13:21,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:21,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:21,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:21,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:13:21,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:21,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 02:13:21,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:21,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:13:21,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:21,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:13:21,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:21,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:13:21,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:21,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:21,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:21,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:13:21,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:21,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:13:21,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:21,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:21,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:21,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:21,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:21,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 02:13:21,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:21,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:21,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:21,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 02:13:21,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:21,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 02:13:21,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:21,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:21,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 02:13:21,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:21,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:21,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:13:21,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:21,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:21,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:21,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 02:13:21,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:21,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 02:13:21,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:21,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:21,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:21,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:21,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:21,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:13:21,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:21,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:21,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:21,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:13:21,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:21,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:13:21,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:21,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:21,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:21,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:21,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:21,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:13:21,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:21,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:21,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:21,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 02:13:21,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:21,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:13:21,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:21,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:21,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:21,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:21,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:21,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:13:21,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:21,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:21,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:21,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:13:21,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:21,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:13:21,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:21,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:21,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:21,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:21,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:21,679 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-27 02:13:21,679 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1815623458] [2020-10-27 02:13:21,680 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:13:21,680 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-27 02:13:21,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929697096] [2020-10-27 02:13:21,681 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 02:13:21,681 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:13:21,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 02:13:21,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2020-10-27 02:13:21,682 INFO L87 Difference]: Start difference. First operand 627 states and 985 transitions. Second operand 16 states. [2020-10-27 02:13:25,076 WARN L193 SmtUtils]: Spent 986.00 ms on a formula simplification that was a NOOP. DAG size: 424 [2020-10-27 02:13:26,117 WARN L193 SmtUtils]: Spent 972.00 ms on a formula simplification that was a NOOP. DAG size: 424 [2020-10-27 02:13:27,280 WARN L193 SmtUtils]: Spent 972.00 ms on a formula simplification that was a NOOP. DAG size: 424 [2020-10-27 02:13:28,315 WARN L193 SmtUtils]: Spent 993.00 ms on a formula simplification that was a NOOP. DAG size: 426 [2020-10-27 02:13:30,970 WARN L193 SmtUtils]: Spent 972.00 ms on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:13:32,127 WARN L193 SmtUtils]: Spent 948.00 ms on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:13:33,146 WARN L193 SmtUtils]: Spent 973.00 ms on a formula simplification that was a NOOP. DAG size: 426 [2020-10-27 02:13:34,132 WARN L193 SmtUtils]: Spent 936.00 ms on a formula simplification that was a NOOP. DAG size: 428 [2020-10-27 02:13:37,262 WARN L193 SmtUtils]: Spent 880.00 ms on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:13:38,251 WARN L193 SmtUtils]: Spent 945.00 ms on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:13:54,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:13:54,227 INFO L93 Difference]: Finished difference Result 1581 states and 2623 transitions. [2020-10-27 02:13:54,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-27 02:13:54,228 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 127 [2020-10-27 02:13:54,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:13:54,237 INFO L225 Difference]: With dead ends: 1581 [2020-10-27 02:13:54,238 INFO L226 Difference]: Without dead ends: 984 [2020-10-27 02:13:54,242 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 367 ImplicationChecksByTransitivity, 11.9s TimeCoverageRelationStatistics Valid=294, Invalid=1266, Unknown=0, NotChecked=0, Total=1560 [2020-10-27 02:13:54,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 984 states. [2020-10-27 02:13:54,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 984 to 682. [2020-10-27 02:13:54,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 682 states. [2020-10-27 02:13:54,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 1070 transitions. [2020-10-27 02:13:54,449 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 1070 transitions. Word has length 127 [2020-10-27 02:13:54,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:13:54,449 INFO L481 AbstractCegarLoop]: Abstraction has 682 states and 1070 transitions. [2020-10-27 02:13:54,449 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-27 02:13:54,449 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 1070 transitions. [2020-10-27 02:13:54,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-10-27 02:13:54,452 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:13:54,452 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:13:54,452 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 02:13:54,453 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 02:13:54,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:13:54,453 INFO L82 PathProgramCache]: Analyzing trace with hash -1727673032, now seen corresponding path program 1 times [2020-10-27 02:13:54,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:13:54,454 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1990557344] [2020-10-27 02:13:54,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:13:54,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:54,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:54,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:54,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:54,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:54,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:55,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:55,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:56,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:57,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:57,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:59,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:59,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-27 02:13:59,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 02:13:59,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-27 02:13:59,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:59,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:13:59,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-27 02:13:59,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:13:59,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:00,563 WARN L193 SmtUtils]: Spent 983.00 ms on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:14:00,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:14:00,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:00,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:00,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:00,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:14:00,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:00,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 02:14:00,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:00,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:00,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:00,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:00,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:00,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:14:00,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:00,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:00,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:00,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:14:00,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:00,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:14:00,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:00,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:00,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:00,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:00,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:00,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:14:00,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:00,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:00,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:00,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:14:00,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:00,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:14:00,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:00,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:00,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:00,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:00,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:00,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:14:00,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:00,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:00,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:00,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:14:00,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:00,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:14:00,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:00,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:00,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:00,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:00,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:00,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:14:00,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:00,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:00,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:00,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:14:00,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:00,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:14:00,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:00,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:00,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:00,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:00,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:00,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 02:14:00,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:00,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:00,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:00,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:14:00,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:00,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:14:00,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:00,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:00,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:00,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:00,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:00,875 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 02:14:00,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:14:00,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:00,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:00,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:00,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:00,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:01,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:01,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:01,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:01,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:02,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:04,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:04,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:04,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:05,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:05,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 02:14:05,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-27 02:14:05,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-27 02:14:05,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:05,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:14:05,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:14:05,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:14:05,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:06,042 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 02:14:06,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:14:06,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:06,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:06,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:06,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:06,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:06,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:06,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:06,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 02:14:06,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:14:06,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 737 [2020-10-27 02:14:06,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:06,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:14:06,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:14:06,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:14:06,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:06,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:14:06,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:06,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:06,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:06,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 02:14:06,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:06,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:14:06,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:06,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:14:06,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:14:06,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 02:14:06,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:06,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:14:06,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:06,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:06,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:06,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:06,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 02:14:06,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:14:06,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 02:14:06,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:06,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:14:06,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:14:06,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 02:14:06,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:06,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:14:06,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:06,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:06,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:06,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:14:06,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:06,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:14:06,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:06,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:14:06,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:06,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:14:06,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:06,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:14:06,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:06,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:06,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:06,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:14:06,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:06,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:14:06,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:06,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:06,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:06,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:06,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:06,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 02:14:06,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:06,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:06,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:07,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:07,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:07,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:07,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:07,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:07,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:07,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:07,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-27 02:14:07,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 02:14:07,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 605 [2020-10-27 02:14:07,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:07,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 02:14:07,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 02:14:07,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 02:14:07,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:07,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:14:07,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:07,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:07,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:07,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:14:07,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:07,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:14:07,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:07,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:14:07,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:07,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:14:07,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:07,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:14:07,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:07,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:07,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:07,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:07,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:07,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:07,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:07,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:08,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:08,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 02:14:08,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 02:14:08,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 413 [2020-10-27 02:14:08,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:08,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:14:08,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:14:08,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 02:14:08,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:08,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:14:08,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:08,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:08,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:08,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:14:08,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:08,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:14:08,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:08,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:14:08,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:08,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:14:08,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:08,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:14:08,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:08,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:08,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:08,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:14:08,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:08,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:14:08,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:08,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:08,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:08,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:08,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:08,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-27 02:14:08,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:08,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:08,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:08,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 02:14:08,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:08,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 02:14:08,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:08,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:08,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 02:14:08,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:08,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:08,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:14:08,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:08,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:08,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:08,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 02:14:08,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:08,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 02:14:08,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:08,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:08,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:08,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:08,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:08,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:14:08,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:08,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:08,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:08,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:14:08,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:08,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:14:08,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:08,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:08,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:08,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:08,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:08,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:14:08,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:08,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:08,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:08,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 02:14:08,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:08,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:14:08,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:08,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:08,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:08,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:08,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:08,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:14:08,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:08,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:08,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:08,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:14:08,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:08,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:14:08,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:08,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:08,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:08,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:08,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:08,354 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-27 02:14:08,355 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1990557344] [2020-10-27 02:14:08,355 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:14:08,355 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-27 02:14:08,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897665111] [2020-10-27 02:14:08,356 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 02:14:08,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:14:08,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 02:14:08,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2020-10-27 02:14:08,357 INFO L87 Difference]: Start difference. First operand 682 states and 1070 transitions. Second operand 16 states. [2020-10-27 02:14:10,827 WARN L193 SmtUtils]: Spent 979.00 ms on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:14:11,875 WARN L193 SmtUtils]: Spent 981.00 ms on a formula simplification that was a NOOP. DAG size: 426 [2020-10-27 02:14:12,912 WARN L193 SmtUtils]: Spent 956.00 ms on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 02:14:13,949 WARN L193 SmtUtils]: Spent 895.00 ms on a formula simplification that was a NOOP. DAG size: 424 [2020-10-27 02:14:14,938 WARN L193 SmtUtils]: Spent 922.00 ms on a formula simplification that was a NOOP. DAG size: 426 [2020-10-27 02:14:17,742 WARN L193 SmtUtils]: Spent 908.00 ms on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:14:20,512 WARN L193 SmtUtils]: Spent 925.00 ms on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:14:21,459 WARN L193 SmtUtils]: Spent 905.00 ms on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:14:41,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:14:41,110 INFO L93 Difference]: Finished difference Result 1674 states and 2763 transitions. [2020-10-27 02:14:41,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-27 02:14:41,111 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 130 [2020-10-27 02:14:41,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:14:41,120 INFO L225 Difference]: With dead ends: 1674 [2020-10-27 02:14:41,120 INFO L226 Difference]: Without dead ends: 994 [2020-10-27 02:14:41,125 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 291 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=250, Invalid=1156, Unknown=0, NotChecked=0, Total=1406 [2020-10-27 02:14:41,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 994 states. [2020-10-27 02:14:41,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 994 to 682. [2020-10-27 02:14:41,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 682 states. [2020-10-27 02:14:41,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 1059 transitions. [2020-10-27 02:14:41,406 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 1059 transitions. Word has length 130 [2020-10-27 02:14:41,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:14:41,406 INFO L481 AbstractCegarLoop]: Abstraction has 682 states and 1059 transitions. [2020-10-27 02:14:41,406 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-27 02:14:41,406 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 1059 transitions. [2020-10-27 02:14:41,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-27 02:14:41,412 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:14:41,412 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:14:41,412 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 02:14:41,413 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 02:14:41,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:14:41,413 INFO L82 PathProgramCache]: Analyzing trace with hash 694768327, now seen corresponding path program 1 times [2020-10-27 02:14:41,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:14:41,413 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [892209647] [2020-10-27 02:14:41,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:14:41,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:41,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:41,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:41,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:41,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:41,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:42,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:42,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:44,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:46,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:46,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-10-27 02:14:46,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 02:14:46,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 02:14:46,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:46,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:14:46,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-27 02:14:46,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 02:14:46,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:47,513 WARN L193 SmtUtils]: Spent 969.00 ms on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:14:47,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:14:47,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:47,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:47,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:47,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:14:47,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:47,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 02:14:47,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:47,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:47,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:47,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:47,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:47,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:14:47,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:47,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:47,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:47,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:14:47,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:47,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:14:47,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:47,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:47,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:47,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:47,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:47,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:14:47,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:47,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:47,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:47,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:14:47,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:47,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:14:47,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:47,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:47,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:47,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:47,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:47,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:14:47,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:47,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:47,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:47,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:14:47,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:47,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:14:47,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:47,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:47,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:47,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:47,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:47,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:14:47,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:47,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:47,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:47,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:14:47,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:47,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:14:47,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:47,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:47,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:47,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:47,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:47,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 02:14:47,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:47,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:47,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:47,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:14:47,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:47,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:14:47,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:47,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:47,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:47,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:47,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:47,835 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 02:14:47,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:14:47,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:47,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:47,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:47,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:47,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:47,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:47,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:48,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:48,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:48,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:52,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:52,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-27 02:14:52,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 02:14:52,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 02:14:52,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:52,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:14:52,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:14:52,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 02:14:52,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:52,993 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 02:14:52,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:14:53,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:53,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:53,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:53,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:53,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:53,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:53,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 02:14:53,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:14:53,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 820 [2020-10-27 02:14:53,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:53,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:14:53,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:14:53,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 02:14:53,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:53,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:14:53,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:53,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:53,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:53,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 02:14:53,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:53,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:14:53,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:53,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:14:53,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:14:53,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 02:14:53,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:53,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 02:14:53,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:53,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:53,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:53,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:53,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:53,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 02:14:53,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:14:53,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-27 02:14:53,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:53,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:14:53,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 02:14:53,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 02:14:53,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:54,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:14:54,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:54,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:54,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:54,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:54,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:14:54,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:14:54,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 02:14:54,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:54,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:14:54,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:14:54,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:14:54,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:54,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:14:54,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:54,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:54,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:54,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:14:54,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:54,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:14:54,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:54,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:14:54,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:54,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:14:54,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:54,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 02:14:54,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:54,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:54,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:54,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:54,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:54,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:54,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:54,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:54,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-27 02:14:54,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:14:54,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 540 [2020-10-27 02:14:54,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:54,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 02:14:54,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 02:14:54,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 02:14:54,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:54,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:14:54,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:54,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:54,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:54,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:14:54,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:54,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:14:54,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:54,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:14:54,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:54,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:14:54,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:54,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:14:54,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:54,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:54,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:54,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:54,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:54,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:54,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 02:14:54,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:14:54,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-27 02:14:54,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:54,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 02:14:54,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:14:54,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 02:14:54,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:54,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:14:54,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:54,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:54,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:54,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:54,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:14:54,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:14:54,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 02:14:54,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:54,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 02:14:54,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:54,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 02:14:54,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:54,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:14:54,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:54,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:54,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:54,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:14:54,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:54,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:14:54,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:54,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:14:54,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:54,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:14:54,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:54,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 02:14:54,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:54,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:55,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:55,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 02:14:55,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:55,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-27 02:14:55,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:55,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:55,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 02:14:55,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:55,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:55,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:14:55,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:55,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:55,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:55,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 02:14:55,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:55,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 02:14:55,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:55,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:55,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:55,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:55,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:55,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:14:55,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:55,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:55,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:55,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:14:55,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:55,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:14:55,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:55,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:55,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:55,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:55,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:55,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:14:55,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:55,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:55,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:55,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 02:14:55,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:55,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:14:55,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:55,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:55,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:55,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:55,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:55,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:14:55,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:55,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:55,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:55,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:14:55,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:55,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:14:55,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:55,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:55,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:55,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:55,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:55,169 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-27 02:14:55,169 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [892209647] [2020-10-27 02:14:55,169 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:14:55,169 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-27 02:14:55,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050882829] [2020-10-27 02:14:55,170 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-27 02:14:55,170 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:14:55,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-27 02:14:55,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2020-10-27 02:14:55,171 INFO L87 Difference]: Start difference. First operand 682 states and 1059 transitions. Second operand 20 states. [2020-10-27 02:14:57,499 WARN L193 SmtUtils]: Spent 900.00 ms on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:14:58,542 WARN L193 SmtUtils]: Spent 960.00 ms on a formula simplification that was a NOOP. DAG size: 427 [2020-10-27 02:14:59,555 WARN L193 SmtUtils]: Spent 914.00 ms on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 02:15:00,652 WARN L193 SmtUtils]: Spent 928.00 ms on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:15:01,616 WARN L193 SmtUtils]: Spent 908.00 ms on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 02:15:02,637 WARN L193 SmtUtils]: Spent 964.00 ms on a formula simplification that was a NOOP. DAG size: 427 [2020-10-27 02:15:03,971 WARN L193 SmtUtils]: Spent 915.00 ms on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 02:15:05,170 WARN L193 SmtUtils]: Spent 910.00 ms on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:15:07,361 WARN L193 SmtUtils]: Spent 905.00 ms on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:15:10,642 WARN L193 SmtUtils]: Spent 927.00 ms on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:15:11,627 WARN L193 SmtUtils]: Spent 928.00 ms on a formula simplification that was a NOOP. DAG size: 421