/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=DEEPEST --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_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 20:51:19,629 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 20:51:19,631 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 20:51:19,682 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 20:51:19,683 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 20:51:19,690 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 20:51:19,692 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 20:51:19,696 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 20:51:19,700 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 20:51:19,707 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 20:51:19,708 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 20:51:19,710 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 20:51:19,710 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 20:51:19,713 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 20:51:19,716 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 20:51:19,719 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 20:51:19,720 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 20:51:19,723 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 20:51:19,731 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 20:51:19,739 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 20:51:19,742 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 20:51:19,744 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 20:51:19,745 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 20:51:19,748 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 20:51:19,776 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 20:51:19,776 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 20:51:19,777 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 20:51:19,779 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 20:51:19,780 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 20:51:19,781 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 20:51:19,781 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 20:51:19,782 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 20:51:19,784 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 20:51:19,785 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 20:51:19,786 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 20:51:19,786 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 20:51:19,787 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 20:51:19,787 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 20:51:19,787 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 20:51:19,788 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 20:51:19,789 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 20:51:19,797 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 20:51:19,848 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 20:51:19,849 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 20:51:19,852 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 20:51:19,853 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 20:51:19,853 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 20:51:19,853 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 20:51:19,853 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 20:51:19,854 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 20:51:19,854 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 20:51:19,854 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 20:51:19,855 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 20:51:19,855 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 20:51:19,855 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 20:51:19,856 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 20:51:19,856 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 20:51:19,856 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 20:51:19,856 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 20:51:19,856 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 20:51:19,857 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 20:51:19,857 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 20:51:19,857 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 20:51:19,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 20:51:19,857 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 20:51:19,858 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 20:51:19,858 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 20:51:19,858 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 20:51:19,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 20:51:19,858 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 20:51:19,858 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 20:51:19,859 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 20:51:20,310 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 20:51:20,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 20:51:20,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 20:51:20,369 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 20:51:20,369 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 20:51:20,370 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec1_product22.cil.c [2020-10-27 20:51:20,446 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5dba88e39/b492bb422af34790b46e8b95f6e635da/FLAGb345f124a [2020-10-27 20:51:21,259 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 20:51:21,259 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec1_product22.cil.c [2020-10-27 20:51:21,288 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5dba88e39/b492bb422af34790b46e8b95f6e635da/FLAGb345f124a [2020-10-27 20:51:21,424 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5dba88e39/b492bb422af34790b46e8b95f6e635da [2020-10-27 20:51:21,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 20:51:21,435 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 20:51:21,439 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 20:51:21,439 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 20:51:21,444 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 20:51:21,445 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:51:21" (1/1) ... [2020-10-27 20:51:21,450 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@679357e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:51:21, skipping insertion in model container [2020-10-27 20:51:21,450 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:51:21" (1/1) ... [2020-10-27 20:51:21,459 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 20:51:21,557 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 20:51:22,251 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 20:51:22,264 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 20:51:22,394 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 20:51:22,462 INFO L208 MainTranslator]: Completed translation [2020-10-27 20:51:22,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:51:22 WrapperNode [2020-10-27 20:51:22,463 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 20:51:22,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 20:51:22,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 20:51:22,465 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 20:51:22,480 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:51:22" (1/1) ... [2020-10-27 20:51:22,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:51:22" (1/1) ... [2020-10-27 20:51:22,514 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:51:22" (1/1) ... [2020-10-27 20:51:22,515 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:51:22" (1/1) ... [2020-10-27 20:51:22,577 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:51:22" (1/1) ... [2020-10-27 20:51:22,608 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:51:22" (1/1) ... [2020-10-27 20:51:22,621 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:51:22" (1/1) ... [2020-10-27 20:51:22,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 20:51:22,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 20:51:22,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 20:51:22,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 20:51:22,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:51:22" (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 20:51:22,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 20:51:22,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 20:51:22,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 20:51:22,729 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 20:51:22,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 20:51:22,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 20:51:22,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 20:51:22,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 20:51:22,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 20:51:22,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 20:51:22,732 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-27 20:51:22,732 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-27 20:51:22,732 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-27 20:51:22,732 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-27 20:51:22,732 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-27 20:51:22,734 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-27 20:51:22,734 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-27 20:51:22,734 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-27 20:51:22,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 20:51:22,734 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-27 20:51:22,734 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-27 20:51:22,735 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-27 20:51:22,735 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-27 20:51:22,735 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-27 20:51:22,735 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-27 20:51:22,735 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-27 20:51:22,735 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-27 20:51:22,736 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-27 20:51:22,736 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-27 20:51:22,736 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 20:51:22,736 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-27 20:51:22,736 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-27 20:51:22,736 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-27 20:51:22,737 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 20:51:22,737 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-27 20:51:22,737 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 20:51:22,737 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 20:51:22,737 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 20:51:22,737 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 20:51:22,737 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-27 20:51:22,738 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-27 20:51:22,738 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-27 20:51:22,738 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 20:51:22,738 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 20:51:22,738 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 20:51:22,738 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 20:51:22,739 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-27 20:51:22,739 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-27 20:51:22,739 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-27 20:51:22,739 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-27 20:51:22,739 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-27 20:51:22,739 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-27 20:51:22,740 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-27 20:51:22,740 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-27 20:51:22,741 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-27 20:51:22,741 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-27 20:51:22,741 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-27 20:51:22,741 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-27 20:51:22,742 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-27 20:51:22,742 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-27 20:51:22,742 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-27 20:51:22,742 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-27 20:51:22,742 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2020-10-27 20:51:22,742 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-27 20:51:22,743 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-27 20:51:22,743 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-27 20:51:22,743 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-27 20:51:22,743 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-27 20:51:22,743 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-27 20:51:22,743 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-27 20:51:22,744 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__twothirdsfull [2020-10-27 20:51:22,744 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 20:51:22,746 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__twothirdsfull [2020-10-27 20:51:22,746 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-27 20:51:22,746 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-27 20:51:22,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-27 20:51:22,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__2 [2020-10-27 20:51:22,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__3 [2020-10-27 20:51:22,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__4 [2020-10-27 20:51:22,747 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 20:51:22,747 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 20:51:22,747 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 20:51:22,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 20:51:22,748 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 20:51:22,749 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 20:51:22,749 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 20:51:22,749 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 20:51:22,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 20:51:22,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 20:51:22,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 20:51:22,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 20:51:22,750 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 20:51:22,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 20:51:22,750 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 20:51:22,750 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 20:51:22,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 20:51:22,751 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 20:51:22,751 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 20:51:22,751 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 20:51:22,751 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-27 20:51:22,751 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-27 20:51:22,751 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-27 20:51:22,752 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-27 20:51:22,752 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-27 20:51:22,752 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-27 20:51:22,752 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-27 20:51:22,752 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-27 20:51:22,752 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__2 [2020-10-27 20:51:22,752 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 20:51:22,753 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-27 20:51:22,753 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 20:51:22,754 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-27 20:51:22,754 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-27 20:51:22,755 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-27 20:51:22,755 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-27 20:51:22,755 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-27 20:51:22,756 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-27 20:51:22,756 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 20:51:22,757 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-27 20:51:22,757 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-27 20:51:22,757 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-27 20:51:22,758 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-27 20:51:22,758 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-27 20:51:22,758 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-27 20:51:22,758 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-27 20:51:22,758 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-27 20:51:22,758 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-27 20:51:22,758 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 20:51:22,759 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-27 20:51:22,759 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-27 20:51:22,760 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-27 20:51:22,761 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 20:51:22,764 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-27 20:51:22,764 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 20:51:22,764 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-27 20:51:22,765 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__4 [2020-10-27 20:51:22,765 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 20:51:22,766 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 20:51:22,766 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 20:51:22,767 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 20:51:22,768 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 20:51:22,768 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 20:51:22,768 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-27 20:51:22,773 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-27 20:51:22,774 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 20:51:22,774 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 20:51:22,774 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-27 20:51:22,774 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-27 20:51:22,774 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-27 20:51:22,774 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-27 20:51:22,774 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-27 20:51:22,775 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-27 20:51:22,775 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-27 20:51:22,775 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-27 20:51:22,776 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-27 20:51:22,776 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-27 20:51:22,776 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-27 20:51:22,776 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-27 20:51:22,776 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-27 20:51:22,777 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2020-10-27 20:51:22,777 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-27 20:51:22,777 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-27 20:51:22,777 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-27 20:51:22,777 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-27 20:51:22,777 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-27 20:51:22,777 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-27 20:51:22,778 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__twothirdsfull [2020-10-27 20:51:22,778 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__3 [2020-10-27 20:51:22,778 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__twothirdsfull [2020-10-27 20:51:22,778 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-27 20:51:22,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 20:51:22,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 20:51:22,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 20:51:26,159 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 20:51:26,160 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-27 20:51:26,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:51:26 BoogieIcfgContainer [2020-10-27 20:51:26,168 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 20:51:26,174 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 20:51:26,174 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 20:51:26,178 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 20:51:26,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 08:51:21" (1/3) ... [2020-10-27 20:51:26,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cf55d3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:51:26, skipping insertion in model container [2020-10-27 20:51:26,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:51:22" (2/3) ... [2020-10-27 20:51:26,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cf55d3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:51:26, skipping insertion in model container [2020-10-27 20:51:26,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:51:26" (3/3) ... [2020-10-27 20:51:26,181 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product22.cil.c [2020-10-27 20:51:26,194 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 20:51:26,200 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 20:51:26,214 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 20:51:26,247 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 20:51:26,247 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 20:51:26,247 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 20:51:26,247 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 20:51:26,247 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 20:51:26,247 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 20:51:26,248 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 20:51:26,248 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 20:51:26,285 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states. [2020-10-27 20:51:26,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-27 20:51:26,311 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:51:26,314 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 20:51:26,315 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 20:51:26,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:51:26,331 INFO L82 PathProgramCache]: Analyzing trace with hash -1928824035, now seen corresponding path program 1 times [2020-10-27 20:51:26,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:51:26,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1050342646] [2020-10-27 20:51:26,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:51:26,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:27,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:27,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:27,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:27,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:28,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:29,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:30,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:31,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:31,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-27 20:51:31,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 20:51:31,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-27 20:51:31,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:31,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:51:31,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-27 20:51:31,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:51:31,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 20:51:34,202 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-27 20:51:34,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:51:34,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:34,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:34,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:34,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:51:34,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:34,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-27 20:51:34,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:34,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:34,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:34,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:34,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:34,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:51:34,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:34,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:34,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:34,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:51:34,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:34,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:51:34,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:34,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:34,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:34,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:34,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:34,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:51:34,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:34,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:34,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:34,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:51:34,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:34,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:51:34,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:34,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:34,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:34,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:34,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:34,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:51:34,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:34,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:34,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:34,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:51:34,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:34,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:51:34,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:34,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:34,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:34,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:34,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:34,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:51:34,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:34,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:34,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:34,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:51:34,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:34,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:51:34,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:34,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:34,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:34,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:34,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:34,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 20:51:34,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:34,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:34,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:34,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:51:34,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:34,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:51:34,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:34,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:34,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:34,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:34,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:34,892 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 20:51:34,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:51:34,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:34,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:34,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:35,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:35,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:35,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:35,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:35,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:35,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:39,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:39,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-27 20:51:39,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 20:51:39,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 20:51:39,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:39,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:51:39,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-27 20:51:39,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:51:39,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:40,278 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 20:51:40,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:51:40,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:40,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:40,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:40,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:40,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:40,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:40,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:41,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:41,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 20:51:41,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:51:41,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1466 [2020-10-27 20:51:41,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:41,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:51:41,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 20:51:41,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:51:41,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:41,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:41,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:41,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:41,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:41,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:41,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:51:41,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:51:41,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 20:51:41,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:41,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:51:41,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:51:41,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:51:41,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:41,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 20:51:41,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:41,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:41,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:41,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 20:51:41,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:41,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-27 20:51:41,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:41,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:51:41,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:51:41,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 20:51:41,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:42,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 20:51:42,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:42,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:42,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:42,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:51:42,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:42,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 20:51:42,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:42,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:51:42,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:42,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 20:51:42,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:42,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:42,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:42,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:42,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:42,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:51:42,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:42,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:51:42,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:42,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:42,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:42,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:42,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:42,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:51:42,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:42,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:42,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:42,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:42,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:42,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:43,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:43,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 20:51:43,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 20:51:43,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1137 [2020-10-27 20:51:43,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:43,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:51:43,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 20:51:43,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:51:43,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:51:43,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:43,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:43,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:43,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:43,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:43,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:51:43,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:51:43,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:51:43,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:43,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:51:43,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:51:43,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:51:43,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:43,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 20:51:43,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:43,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:43,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:43,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 20:51:43,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:43,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-27 20:51:43,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:43,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:51:43,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:51:43,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 20:51:43,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:51:43,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 20:51:43,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:43,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:43,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:43,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:51:43,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:43,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 20:51:43,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:43,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:51:43,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:43,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 20:51:43,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:51:43,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:43,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:43,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:43,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:43,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:51:43,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:43,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:51:43,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:43,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:43,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:43,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:43,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:51:43,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 20:51:43,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:43,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:43,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:43,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:43,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-27 20:51:43,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:51:43,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-27 20:51:43,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:43,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:43,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-27 20:51:43,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:43,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:51:43,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:43,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:43,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:43,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:43,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 20:51:43,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:43,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 20:51:43,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:43,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:43,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:43,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:43,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:43,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:43,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:43,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:43,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:43,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:51:43,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:43,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:51:43,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:43,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:43,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:43,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:43,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:43,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:51:43,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:43,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:43,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:43,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 20:51:43,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:43,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:51:43,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:43,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:43,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:43,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:43,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:43,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:43,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:43,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:43,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:43,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:51:43,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:43,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:51:43,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:43,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:43,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:43,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:43,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:43,809 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 20:51:43,811 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1050342646] [2020-10-27 20:51:43,813 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:51:43,814 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 20:51:43,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692596226] [2020-10-27 20:51:43,823 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 20:51:43,824 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:51:43,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 20:51:43,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-27 20:51:43,842 INFO L87 Difference]: Start difference. First operand 794 states. Second operand 13 states. [2020-10-27 20:51:47,534 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:51:49,815 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification that was a NOOP. DAG size: 420 [2020-10-27 20:51:52,351 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:52:32,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:52:32,187 INFO L93 Difference]: Finished difference Result 1535 states and 2575 transitions. [2020-10-27 20:52:32,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 20:52:32,190 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 117 [2020-10-27 20:52:32,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:52:32,230 INFO L225 Difference]: With dead ends: 1535 [2020-10-27 20:52:32,230 INFO L226 Difference]: Without dead ends: 900 [2020-10-27 20:52:32,245 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=103, Invalid=317, Unknown=0, NotChecked=0, Total=420 [2020-10-27 20:52:32,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2020-10-27 20:52:32,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 630. [2020-10-27 20:52:32,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 630 states. [2020-10-27 20:52:32,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 998 transitions. [2020-10-27 20:52:32,622 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 998 transitions. Word has length 117 [2020-10-27 20:52:32,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:52:32,623 INFO L481 AbstractCegarLoop]: Abstraction has 630 states and 998 transitions. [2020-10-27 20:52:32,623 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 20:52:32,623 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 998 transitions. [2020-10-27 20:52:32,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-27 20:52:32,631 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:52:32,632 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 20:52:32,632 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 20:52:32,632 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 20:52:32,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:52:32,633 INFO L82 PathProgramCache]: Analyzing trace with hash -837510686, now seen corresponding path program 1 times [2020-10-27 20:52:32,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:52:32,634 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1856895126] [2020-10-27 20:52:32,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:52:32,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:32,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:32,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:33,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:33,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:33,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:33,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:34,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:37,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:37,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-27 20:52:37,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 20:52:37,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-27 20:52:37,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:37,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:52:37,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 99 [2020-10-27 20:52:37,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:52:37,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:40,091 WARN L193 SmtUtils]: Spent 2.26 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-27 20:52:40,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:52:40,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:40,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:40,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:40,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:52:40,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:40,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-27 20:52:40,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:40,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:40,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:40,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:40,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:40,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:52:40,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:40,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:40,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:40,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:52:40,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:40,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:52:40,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:40,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:40,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:40,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:40,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:40,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:52:40,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:40,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:40,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:40,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:52:40,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:40,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:52:40,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:40,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:40,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:40,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:40,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:40,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:52:40,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:40,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:40,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:40,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:52:40,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:40,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:52:40,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:40,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:40,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:40,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:40,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:40,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:52:40,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:40,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:40,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:40,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:52:40,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:40,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:52:40,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:40,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:40,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:40,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:40,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:40,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 20:52:40,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:40,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:40,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:40,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:52:40,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:40,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:52:40,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:40,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:40,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:40,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:40,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:40,682 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 20:52:40,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:52:40,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:40,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:40,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:40,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:40,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:40,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:41,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:41,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:45,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:45,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:45,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:45,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:45,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-27 20:52:45,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 20:52:45,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-27 20:52:45,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:45,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:52:45,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-27 20:52:45,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:52:45,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:46,025 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 20:52:46,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:52:46,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:46,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:46,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:46,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:46,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:46,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:46,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:47,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:47,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 20:52:47,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:52:47,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 985 [2020-10-27 20:52:47,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:47,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:52:47,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 20:52:47,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:52:47,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:47,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:52:47,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:47,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:47,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:47,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:47,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:52:47,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:52:47,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:52:47,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:47,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:52:47,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:52:47,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:52:47,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:47,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:52:47,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:47,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:47,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:47,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 20:52:47,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:47,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 20:52:47,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:47,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:52:47,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:52:47,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 20:52:47,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:47,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 20:52:47,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:47,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:47,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:47,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:52:47,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:47,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 20:52:47,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:47,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:52:47,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:47,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 20:52:47,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:47,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:52:47,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:47,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:47,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:47,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:52:47,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:47,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:52:47,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:47,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:47,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:47,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:47,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:47,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 20:52:47,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:47,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:47,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:47,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:47,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:47,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:48,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:48,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 20:52:48,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 20:52:48,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 870 [2020-10-27 20:52:48,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:48,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:52:48,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 20:52:48,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:52:48,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:48,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:52:48,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:48,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:48,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:48,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:48,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:52:48,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:52:48,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:52:48,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:48,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:52:48,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:52:48,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:52:48,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:48,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:52:48,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:48,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:48,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:48,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 20:52:48,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:48,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 20:52:48,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:48,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:52:48,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:52:48,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 20:52:48,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:48,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 20:52:48,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:48,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:48,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:48,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:52:48,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:48,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 20:52:48,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:48,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:52:48,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:48,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 20:52:48,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:48,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:52:48,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:48,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:48,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:48,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:52:48,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:48,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:52:48,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:48,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:48,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:48,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:48,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:48,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 20:52:48,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:48,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:48,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:48,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 20:52:48,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:48,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 20:52:48,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:48,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:48,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 20:52:48,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:48,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:48,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:52:48,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:48,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:48,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:48,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 20:52:48,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:48,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 20:52:48,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:48,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:48,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:48,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:48,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:48,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:52:48,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:48,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:48,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:48,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:52:48,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:48,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:52:48,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:48,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:48,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:48,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:48,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:48,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:52:48,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:48,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:48,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:48,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 20:52:48,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:48,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:52:48,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:48,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:48,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:48,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:48,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:48,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:52:48,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:48,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:48,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:48,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:52:48,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:48,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:52:48,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:48,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:48,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:48,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:48,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:48,396 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-27 20:52:48,397 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1856895126] [2020-10-27 20:52:48,397 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:52:48,397 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 20:52:48,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987318508] [2020-10-27 20:52:48,399 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 20:52:48,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:52:48,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 20:52:48,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-27 20:52:48,399 INFO L87 Difference]: Start difference. First operand 630 states and 998 transitions. Second operand 11 states. [2020-10-27 20:52:51,840 WARN L193 SmtUtils]: Spent 2.28 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:52:54,261 WARN L193 SmtUtils]: Spent 2.37 s on a formula simplification that was a NOOP. DAG size: 420 [2020-10-27 20:52:56,738 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:53:23,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:53:23,968 INFO L93 Difference]: Finished difference Result 1509 states and 2509 transitions. [2020-10-27 20:53:23,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 20:53:23,969 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 123 [2020-10-27 20:53:23,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:53:23,984 INFO L225 Difference]: With dead ends: 1509 [2020-10-27 20:53:23,985 INFO L226 Difference]: Without dead ends: 900 [2020-10-27 20:53:23,989 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 10.3s TimeCoverageRelationStatistics Valid=88, Invalid=254, Unknown=0, NotChecked=0, Total=342 [2020-10-27 20:53:23,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2020-10-27 20:53:24,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 630. [2020-10-27 20:53:24,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 630 states. [2020-10-27 20:53:24,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 992 transitions. [2020-10-27 20:53:24,259 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 992 transitions. Word has length 123 [2020-10-27 20:53:24,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:53:24,259 INFO L481 AbstractCegarLoop]: Abstraction has 630 states and 992 transitions. [2020-10-27 20:53:24,260 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 20:53:24,260 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 992 transitions. [2020-10-27 20:53:24,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-27 20:53:24,264 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:53:24,264 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 20:53:24,264 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 20:53:24,265 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 20:53:24,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:53:24,265 INFO L82 PathProgramCache]: Analyzing trace with hash -1399718548, now seen corresponding path program 1 times [2020-10-27 20:53:24,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:53:24,266 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1497582892] [2020-10-27 20:53:24,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:53:24,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:24,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:24,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:24,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:24,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:24,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:25,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:29,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:29,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-27 20:53:29,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:53:29,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-10-27 20:53:29,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:29,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 20:53:29,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-27 20:53:29,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 20:53:29,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:31,620 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-27 20:53:31,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:53:31,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:31,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:31,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:31,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:53:31,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:31,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 20:53:31,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:31,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:31,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:31,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:31,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:31,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:53:31,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:31,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:31,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:31,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:53:31,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:31,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:53:31,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:31,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:31,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:31,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:31,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:31,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:53:31,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:31,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:31,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:31,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:53:31,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:31,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:53:31,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:31,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:31,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:31,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:31,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:31,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:53:31,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:31,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:31,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:31,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:53:31,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:31,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:53:31,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:31,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:31,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:31,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:31,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:31,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:53:31,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:31,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:31,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:31,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:53:31,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:31,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:53:31,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:31,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:31,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:31,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:31,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:31,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 20:53:31,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:31,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:31,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:31,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:53:31,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:31,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:53:31,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:31,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:31,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:31,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:31,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:32,184 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 20:53:32,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:53:32,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:32,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:32,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:32,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:32,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:32,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:32,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:33,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:33,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:37,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:37,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-27 20:53:37,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 20:53:37,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 20:53:37,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:37,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 20:53:37,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-27 20:53:37,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 20:53:37,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:37,511 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 20:53:37,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:53:37,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:37,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:37,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:37,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:37,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:37,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:37,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:38,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:38,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 20:53:38,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:53:38,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 695 [2020-10-27 20:53:38,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:38,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:53:38,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 20:53:38,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:53:38,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:38,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:53:38,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:38,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:38,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:38,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:38,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:53:38,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:53:38,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:53:38,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:38,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:53:38,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:53:38,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:53:38,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:53:38,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:53:38,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:38,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:38,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:38,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 20:53:38,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:38,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 20:53:38,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:38,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:53:38,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:53:38,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 20:53:38,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:38,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 20:53:38,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:38,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:38,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:38,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:53:38,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:38,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:53:38,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:38,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:53:38,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:38,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 20:53:38,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:38,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:53:38,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:38,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:38,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:38,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:53:38,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:38,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:53:38,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:38,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:38,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:38,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:38,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:38,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 20:53:38,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:38,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:38,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:38,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:38,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:38,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 20:53:38,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 20:53:38,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 223 [2020-10-27 20:53:38,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:38,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 20:53:38,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 20:53:38,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:53:38,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:38,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:53:38,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:38,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:38,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:38,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:53:38,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:38,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:53:38,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:38,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:53:38,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:38,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:53:38,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:38,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:53:38,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:38,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:38,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:38,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:38,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:38,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 20:53:38,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 20:53:38,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 138 [2020-10-27 20:53:38,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:38,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 20:53:38,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:53:38,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 20:53:38,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:38,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 20:53:38,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:38,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:39,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:39,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:39,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:53:39,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:53:39,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-27 20:53:39,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:39,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:53:39,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:39,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 20:53:39,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:39,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:53:39,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:39,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:39,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:39,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:53:39,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:39,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 20:53:39,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:39,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:53:39,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:39,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:53:39,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:39,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 20:53:39,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:39,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:39,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:39,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 20:53:39,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:39,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-27 20:53:39,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:39,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:39,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 20:53:39,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:39,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:39,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:53:39,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:39,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:39,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:39,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 20:53:39,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:39,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 20:53:39,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:39,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:39,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:39,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:39,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:39,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:53:39,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:39,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:39,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:39,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:53:39,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:39,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:53:39,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:39,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:39,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:39,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:39,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:39,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:53:39,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:39,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:39,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:39,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 20:53:39,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:39,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 20:53:39,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:39,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:39,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:39,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:39,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:53:39,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:53:39,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:39,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:39,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:39,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:53:39,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:39,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:53:39,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:39,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:39,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:39,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:39,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:53:39,413 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-27 20:53:39,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1497582892] [2020-10-27 20:53:39,414 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:53:39,414 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-27 20:53:39,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362125826] [2020-10-27 20:53:39,416 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 20:53:39,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:53:39,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 20:53:39,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2020-10-27 20:53:39,417 INFO L87 Difference]: Start difference. First operand 630 states and 992 transitions. Second operand 18 states. [2020-10-27 20:53:44,860 WARN L193 SmtUtils]: Spent 2.26 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:53:47,237 WARN L193 SmtUtils]: Spent 2.29 s on a formula simplification that was a NOOP. DAG size: 422 [2020-10-27 20:53:49,875 WARN L193 SmtUtils]: Spent 2.27 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 20:53:52,222 WARN L193 SmtUtils]: Spent 2.29 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 20:53:54,952 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification that was a NOOP. DAG size: 419 [2020-10-27 20:53:57,531 WARN L193 SmtUtils]: Spent 2.27 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 20:54:00,057 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:54:03,959 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:54:06,273 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification that was a NOOP. DAG size: 420 [2020-10-27 20:54:08,862 WARN L193 SmtUtils]: Spent 2.35 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:54:11,332 WARN L193 SmtUtils]: Spent 2.39 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:54:13,739 WARN L193 SmtUtils]: Spent 2.35 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:54:16,207 WARN L193 SmtUtils]: Spent 2.41 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 20:54:18,745 WARN L193 SmtUtils]: Spent 2.46 s on a formula simplification that was a NOOP. DAG size: 425 [2020-10-27 20:54:55,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:54:55,364 INFO L93 Difference]: Finished difference Result 1572 states and 2611 transitions. [2020-10-27 20:54:55,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-10-27 20:54:55,366 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 127 [2020-10-27 20:54:55,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:54:55,375 INFO L225 Difference]: With dead ends: 1572 [2020-10-27 20:54:55,375 INFO L226 Difference]: Without dead ends: 960 [2020-10-27 20:54:55,380 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 544 ImplicationChecksByTransitivity, 37.2s TimeCoverageRelationStatistics Valid=353, Invalid=1999, Unknown=0, NotChecked=0, Total=2352 [2020-10-27 20:54:55,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2020-10-27 20:54:55,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 675. [2020-10-27 20:54:55,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 675 states. [2020-10-27 20:54:55,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 1057 transitions. [2020-10-27 20:54:55,576 INFO L78 Accepts]: Start accepts. Automaton has 675 states and 1057 transitions. Word has length 127 [2020-10-27 20:54:55,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:54:55,576 INFO L481 AbstractCegarLoop]: Abstraction has 675 states and 1057 transitions. [2020-10-27 20:54:55,576 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 20:54:55,576 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 1057 transitions. [2020-10-27 20:54:55,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-27 20:54:55,579 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:54:55,580 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1] [2020-10-27 20:54:55,580 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 20:54:55,580 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 20:54:55,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:54:55,581 INFO L82 PathProgramCache]: Analyzing trace with hash -1214612347, now seen corresponding path program 1 times [2020-10-27 20:54:55,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:54:55,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1613189069] [2020-10-27 20:54:55,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:54:55,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:55,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:55,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:55,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:55,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:56,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:56,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:56,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:59,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:00,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:00,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-10-27 20:55:00,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 20:55:00,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-10-27 20:55:00,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:00,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:55:00,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 115 [2020-10-27 20:55:00,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:55:00,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:02,894 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-27 20:55:02,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:55:02,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:02,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:02,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:02,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:55:02,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:02,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-27 20:55:02,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:02,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:55:02,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:55:02,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:55:02,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:02,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:55:02,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:02,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:02,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:02,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:55:02,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:02,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:55:02,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:02,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:55:02,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:55:02,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:55:02,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:02,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:55:02,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:02,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:02,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:02,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:55:02,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:02,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:55:02,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:02,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:55:02,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:55:02,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:55:02,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:02,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:55:02,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:02,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:02,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:02,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:55:02,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:02,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:55:02,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:02,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:55:02,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:55:02,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:55:02,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:03,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:55:03,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:03,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:03,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:03,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:55:03,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:03,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:55:03,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:03,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:55:03,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:55:03,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:55:03,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:03,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 20:55:03,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:03,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:03,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:03,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:55:03,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:03,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:55:03,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:03,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:55:03,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:55:03,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:55:03,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:03,557 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 20:55:03,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:55:03,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:03,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:03,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:03,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:03,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:03,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:03,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:03,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:03,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:04,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:04,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:08,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:08,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:08,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:08,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-27 20:55:08,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-27 20:55:08,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 20:55:08,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:08,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:55:08,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-27 20:55:08,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:55:08,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:55:08,896 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 20:55:08,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:55:08,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:08,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:08,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:08,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:08,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:08,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:09,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:09,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:09,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 20:55:09,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:55:09,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 602 [2020-10-27 20:55:09,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:09,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:55:09,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 20:55:09,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:55:09,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:09,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:55:09,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:09,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:09,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:09,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:09,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 20:55:09,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:55:09,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:55:09,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:09,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:55:09,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:55:09,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:55:09,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:09,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 20:55:09,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:09,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:09,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:09,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 20:55:09,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:09,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 20:55:09,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:09,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:55:09,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:55:09,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 20:55:09,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0