/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_spec2_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 20:58:58,980 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 20:58:58,984 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 20:58:59,022 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 20:58:59,023 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 20:58:59,025 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 20:58:59,027 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 20:58:59,029 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 20:58:59,031 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 20:58:59,033 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 20:58:59,034 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 20:58:59,036 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 20:58:59,036 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 20:58:59,038 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 20:58:59,039 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 20:58:59,041 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 20:58:59,042 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 20:58:59,043 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 20:58:59,057 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 20:58:59,064 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 20:58:59,068 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 20:58:59,070 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 20:58:59,073 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 20:58:59,074 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 20:58:59,085 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 20:58:59,085 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 20:58:59,086 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 20:58:59,089 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 20:58:59,090 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 20:58:59,091 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 20:58:59,091 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 20:58:59,095 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 20:58:59,096 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 20:58:59,098 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 20:58:59,100 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 20:58:59,101 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 20:58:59,102 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 20:58:59,102 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 20:58:59,102 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 20:58:59,103 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 20:58:59,105 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 20:58:59,107 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 20:58:59,163 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 20:58:59,164 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 20:58:59,169 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 20:58:59,169 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 20:58:59,169 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 20:58:59,169 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 20:58:59,170 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 20:58:59,170 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 20:58:59,170 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 20:58:59,170 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 20:58:59,172 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 20:58:59,172 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 20:58:59,172 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 20:58:59,172 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 20:58:59,172 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 20:58:59,173 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 20:58:59,173 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 20:58:59,173 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 20:58:59,174 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 20:58:59,174 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 20:58:59,174 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 20:58:59,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 20:58:59,175 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 20:58:59,175 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 20:58:59,175 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 20:58:59,175 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 20:58:59,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 20:58:59,176 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 20:58:59,176 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 20:58:59,176 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 20:58:59,632 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 20:58:59,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 20:58:59,686 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 20:58:59,687 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 20:58:59,688 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 20:58:59,689 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product32.cil.c [2020-10-27 20:58:59,785 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/77c6af3dd/262156973ebf49cf8fba0b7142110249/FLAG097b0ff25 [2020-10-27 20:59:00,537 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 20:59:00,538 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec2_product32.cil.c [2020-10-27 20:59:00,563 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/77c6af3dd/262156973ebf49cf8fba0b7142110249/FLAG097b0ff25 [2020-10-27 20:59:00,700 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/77c6af3dd/262156973ebf49cf8fba0b7142110249 [2020-10-27 20:59:00,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 20:59:00,710 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 20:59:00,712 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 20:59:00,712 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 20:59:00,717 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 20:59:00,718 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:59:00" (1/1) ... [2020-10-27 20:59:00,724 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a8d684c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:59:00, skipping insertion in model container [2020-10-27 20:59:00,725 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:59:00" (1/1) ... [2020-10-27 20:59:00,735 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 20:59:00,820 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 20:59:01,462 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 20:59:01,474 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 20:59:01,618 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 20:59:01,715 INFO L208 MainTranslator]: Completed translation [2020-10-27 20:59:01,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:59:01 WrapperNode [2020-10-27 20:59:01,717 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 20:59:01,719 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 20:59:01,719 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 20:59:01,720 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 20:59:01,733 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:59:01" (1/1) ... [2020-10-27 20:59:01,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:59:01" (1/1) ... [2020-10-27 20:59:01,771 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:59:01" (1/1) ... [2020-10-27 20:59:01,771 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:59:01" (1/1) ... [2020-10-27 20:59:01,835 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:59:01" (1/1) ... [2020-10-27 20:59:01,875 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:59:01" (1/1) ... [2020-10-27 20:59:01,896 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:59:01" (1/1) ... [2020-10-27 20:59:01,929 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 20:59:01,930 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 20:59:01,930 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 20:59:01,931 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 20:59:01,935 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:59:01" (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 20:59:02,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 20:59:02,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 20:59:02,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 20:59:02,003 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 20:59:02,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-27 20:59:02,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-27 20:59:02,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2020-10-27 20:59:02,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2020-10-27 20:59:02,004 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-27 20:59:02,004 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-27 20:59:02,004 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-27 20:59:02,004 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-27 20:59:02,005 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-27 20:59:02,005 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-27 20:59:02,005 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-27 20:59:02,005 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-27 20:59:02,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 20:59:02,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 20:59:02,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 20:59:02,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 20:59:02,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 20:59:02,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 20:59:02,006 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 20:59:02,006 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 20:59:02,006 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 20:59:02,007 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 20:59:02,007 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-27 20:59:02,007 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-27 20:59:02,007 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 20:59:02,007 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-27 20:59:02,007 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-27 20:59:02,008 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-27 20:59:02,008 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-27 20:59:02,008 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-27 20:59:02,008 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-27 20:59:02,008 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-27 20:59:02,008 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-27 20:59:02,008 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-27 20:59:02,009 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-27 20:59:02,009 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-27 20:59:02,009 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 20:59:02,009 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-27 20:59:02,009 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-27 20:59:02,009 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-27 20:59:02,009 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 20:59:02,010 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-27 20:59:02,010 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 20:59:02,010 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 20:59:02,010 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 20:59:02,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 20:59:02,010 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-27 20:59:02,010 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-27 20:59:02,011 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-27 20:59:02,011 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-27 20:59:02,011 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-27 20:59:02,011 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-27 20:59:02,011 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2020-10-27 20:59:02,012 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-27 20:59:02,012 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-27 20:59:02,012 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-27 20:59:02,012 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-27 20:59:02,012 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-27 20:59:02,012 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-27 20:59:02,013 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-27 20:59:02,013 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-27 20:59:02,013 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-27 20:59:02,013 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-27 20:59:02,013 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2020-10-27 20:59:02,013 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-27 20:59:02,013 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-27 20:59:02,014 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-27 20:59:02,014 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-27 20:59:02,014 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-27 20:59:02,014 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-27 20:59:02,014 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-27 20:59:02,014 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-27 20:59:02,015 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-27 20:59:02,015 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2020-10-27 20:59:02,015 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 20:59:02,015 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2020-10-27 20:59:02,015 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-27 20:59:02,015 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-27 20:59:02,015 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-27 20:59:02,016 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-27 20:59:02,016 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 20:59:02,016 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 20:59:02,016 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 20:59:02,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 20:59:02,017 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 20:59:02,017 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 20:59:02,017 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-27 20:59:02,017 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-27 20:59:02,017 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-27 20:59:02,017 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-27 20:59:02,017 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2020-10-27 20:59:02,018 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2020-10-27 20:59:02,018 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-27 20:59:02,018 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-27 20:59:02,018 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-27 20:59:02,018 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-27 20:59:02,018 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-27 20:59:02,018 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-27 20:59:02,019 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-27 20:59:02,019 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-27 20:59:02,019 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 20:59:02,019 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 20:59:02,019 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 20:59:02,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 20:59:02,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 20:59:02,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 20:59:02,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 20:59:02,020 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 20:59:02,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 20:59:02,020 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 20:59:02,020 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 20:59:02,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 20:59:02,021 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 20:59:02,021 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 20:59:02,021 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 20:59:02,021 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 20:59:02,021 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 20:59:02,021 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 20:59:02,022 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 20:59:02,022 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-27 20:59:02,022 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 20:59:02,022 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-27 20:59:02,022 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-27 20:59:02,022 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-27 20:59:02,022 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-27 20:59:02,023 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-27 20:59:02,023 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-27 20:59:02,023 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-27 20:59:02,023 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 20:59:02,023 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 20:59:02,023 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-27 20:59:02,023 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-27 20:59:02,024 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 20:59:02,024 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-27 20:59:02,024 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-27 20:59:02,024 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-27 20:59:02,024 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-27 20:59:02,024 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-27 20:59:02,025 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-27 20:59:02,025 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-27 20:59:02,025 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-27 20:59:02,025 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-27 20:59:02,025 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-27 20:59:02,025 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-27 20:59:02,025 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 20:59:02,026 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-27 20:59:02,026 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 20:59:02,026 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 20:59:02,026 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 20:59:02,026 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 20:59:02,026 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-27 20:59:02,027 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-27 20:59:02,027 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-27 20:59:02,027 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-27 20:59:02,027 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-27 20:59:02,027 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-27 20:59:02,027 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-27 20:59:02,027 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-27 20:59:02,027 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2020-10-27 20:59:02,028 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-27 20:59:02,028 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-27 20:59:02,028 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-27 20:59:02,028 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-27 20:59:02,028 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-27 20:59:02,028 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2020-10-27 20:59:02,028 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-27 20:59:02,029 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-27 20:59:02,029 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-27 20:59:02,029 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-27 20:59:02,029 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-27 20:59:02,029 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-27 20:59:02,029 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-27 20:59:02,029 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-27 20:59:02,030 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2020-10-27 20:59:02,030 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2020-10-27 20:59:02,030 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-27 20:59:02,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 20:59:02,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 20:59:02,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 20:59:04,479 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 20:59:04,480 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-27 20:59:04,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:59:04 BoogieIcfgContainer [2020-10-27 20:59:04,483 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 20:59:04,485 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 20:59:04,485 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 20:59:04,489 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 20:59:04,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 08:59:00" (1/3) ... [2020-10-27 20:59:04,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5509358c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:59:04, skipping insertion in model container [2020-10-27 20:59:04,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:59:01" (2/3) ... [2020-10-27 20:59:04,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5509358c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:59:04, skipping insertion in model container [2020-10-27 20:59:04,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:59:04" (3/3) ... [2020-10-27 20:59:04,492 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product32.cil.c [2020-10-27 20:59:04,505 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 20:59:04,511 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 20:59:04,527 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 20:59:04,562 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 20:59:04,562 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 20:59:04,562 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 20:59:04,562 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 20:59:04,562 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 20:59:04,563 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 20:59:04,563 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 20:59:04,563 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 20:59:04,601 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states. [2020-10-27 20:59:04,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-27 20:59:04,630 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:59:04,631 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:59:04,632 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 20:59:04,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:59:04,649 INFO L82 PathProgramCache]: Analyzing trace with hash 1311818253, now seen corresponding path program 1 times [2020-10-27 20:59:04,659 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:59:04,659 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [151655114] [2020-10-27 20:59:04,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:59:05,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:59:05,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:05,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:05,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:05,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:07,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:09,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:10,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:59:10,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-27 20:59:10,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:59:10,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 20:59:10,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:59:10,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:59:10,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 114 [2020-10-27 20:59:10,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:59:10,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 20:59:11,302 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:59:11,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:59:11,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:59:11,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:11,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:59:11,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:59:11,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:59:11,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-10-27 20:59:11,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:59:11,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:59:11,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:59:11,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:59:11,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:59:11,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:59:11,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:59:11,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:11,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:59:11,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:59:11,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:59:11,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:59:11,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:59:11,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:59:11,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:59:11,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:59:11,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:59:11,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:59:11,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:59:11,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:11,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:59:11,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:59:11,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:59:11,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:59:11,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:59:11,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:59:11,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:59:11,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:59:11,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:59:11,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:59:11,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:59:11,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:11,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:59:11,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:59:11,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:59:11,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:59:11,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:59:11,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:59:11,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:59:11,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:59:11,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:59:11,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:59:11,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:59:11,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:11,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:59:11,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:59:11,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:59:11,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:59:11,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:59:11,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:59:11,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:59:11,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:59:11,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:59:11,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 20:59:11,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:59:11,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:11,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:59:11,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:59:11,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:59:11,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:59:11,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:59:11,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:59:11,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:59:11,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:59:11,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:59:11,810 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 20:59:11,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:59:11,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:59:11,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:11,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:11,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:11,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:12,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:13,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:59:13,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-27 20:59:13,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 20:59:13,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2025 [2020-10-27 20:59:13,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:59:13,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:59:13,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-10-27 20:59:13,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:59:13,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:59:14,022 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 20:59:14,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:59:14,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:59:14,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:14,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:14,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:14,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:14,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:14,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:59:14,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 20:59:14,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 20:59:14,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 643 [2020-10-27 20:59:14,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:59:14,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:59:14,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 20:59:14,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:59:14,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:59:14,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:59:14,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:59:14,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:14,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:14,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:59:14,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:59:14,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:59:14,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 20:59:14,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:59:14,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:59:14,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:59:14,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:59:14,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:59:14,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 20:59:14,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:59:14,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:14,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:59:14,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 20:59:14,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:59:14,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-27 20:59:14,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:59:14,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:59:14,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:59:14,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 20:59:14,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:59:14,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 20:59:14,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:59:14,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:14,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:59:14,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:59:14,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:59:14,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:59:14,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:59:14,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:59:14,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:59:14,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:59:14,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:59:14,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 20:59:14,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:59:14,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:14,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:59:14,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-27 20:59:14,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:59:14,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-27 20:59:14,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:59:14,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:59:14,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-27 20:59:14,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:59:14,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 20:59:14,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:59:14,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:59:14,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:14,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:59:14,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 20:59:14,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:59:14,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 20:59:14,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:59:14,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:59:14,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:59:14,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:59:14,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:59:14,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:59:14,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:59:14,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:14,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:59:14,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:59:14,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:59:14,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:59:14,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:59:14,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:59:14,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:59:14,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:59:14,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:59:14,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:59:15,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:59:15,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:15,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:59:15,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 20:59:15,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:59:15,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:59:15,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:59:15,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:59:15,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:59:15,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:59:15,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:59:15,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:59:15,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:59:15,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:15,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:59:15,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:59:15,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:59:15,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:59:15,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:59:15,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:59:15,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:59:15,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:59:15,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:59:15,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:59:15,142 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [151655114] [2020-10-27 20:59:15,145 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:59:15,145 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 20:59:15,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237716547] [2020-10-27 20:59:15,152 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 20:59:15,152 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:59:15,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 20:59:15,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-27 20:59:15,172 INFO L87 Difference]: Start difference. First operand 837 states. Second operand 11 states. [2020-10-27 20:59:18,464 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 20:59:19,729 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 20:59:21,219 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 20:59:22,971 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 20:59:44,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:59:44,782 INFO L93 Difference]: Finished difference Result 1776 states and 3045 transitions. [2020-10-27 20:59:44,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 20:59:44,784 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 86 [2020-10-27 20:59:44,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:59:44,842 INFO L225 Difference]: With dead ends: 1776 [2020-10-27 20:59:44,842 INFO L226 Difference]: Without dead ends: 1105 [2020-10-27 20:59:44,859 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2020-10-27 20:59:44,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1105 states. [2020-10-27 20:59:45,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1105 to 667. [2020-10-27 20:59:45,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 667 states. [2020-10-27 20:59:45,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 1048 transitions. [2020-10-27 20:59:45,268 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 1048 transitions. Word has length 86 [2020-10-27 20:59:45,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:59:45,269 INFO L481 AbstractCegarLoop]: Abstraction has 667 states and 1048 transitions. [2020-10-27 20:59:45,269 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 20:59:45,269 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 1048 transitions. [2020-10-27 20:59:45,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-27 20:59:45,275 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:59:45,275 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:59:45,276 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 20:59:45,276 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 20:59:45,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:59:45,277 INFO L82 PathProgramCache]: Analyzing trace with hash 1505701439, now seen corresponding path program 1 times [2020-10-27 20:59:45,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:59:45,277 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1011399566] [2020-10-27 20:59:45,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:59:45,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:59:45,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:45,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:45,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:45,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:48,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:50,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:59:50,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-27 20:59:50,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 20:59:50,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-10-27 20:59:50,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:59:50,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:59:50,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-27 20:59:50,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:59:50,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:59:51,723 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:59:51,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:59:51,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:59:51,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:51,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:59:51,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:59:51,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:59:51,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-27 20:59:51,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:59:51,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:59:51,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:59:51,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:59:51,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:59:51,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:59:51,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:59:51,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:51,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:59:51,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:59:51,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:59:51,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:59:51,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:59:51,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:59:51,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:59:51,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:59:51,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:59:51,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:59:51,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:59:51,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:51,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:59:51,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:59:51,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:59:51,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:59:51,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:59:51,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:59:51,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:59:51,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:59:51,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:59:51,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:59:51,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:59:51,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:51,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:59:51,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:59:51,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:59:51,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:59:51,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:59:51,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:59:51,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:59:51,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:59:51,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:59:51,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:59:51,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:59:51,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:51,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:59:51,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:59:51,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:59:51,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:59:51,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:59:51,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:59:51,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:59:51,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:59:51,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:59:51,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 20:59:51,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:59:51,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:51,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:59:51,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:59:51,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:59:51,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:59:51,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:59:51,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:59:51,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:59:51,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:59:51,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:59:52,135 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 20:59:52,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:59:52,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:59:52,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:52,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:52,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:52,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:53,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:59:53,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 20:59:53,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 20:59:53,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1267 [2020-10-27 20:59:53,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:59:53,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:59:53,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 20:59:53,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:59:53,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:59:53,554 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 20:59:53,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:59:53,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:59:53,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:53,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:53,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:53,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:54,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:59:54,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 20:59:54,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 20:59:54,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 496 [2020-10-27 20:59:54,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:59:54,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:59:54,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 20:59:54,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:59:54,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:59:54,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:59:54,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:59:54,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:54,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:54,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:59:54,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:59:54,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:59:54,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 20:59:54,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:59:54,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:59:54,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:59:54,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:59:54,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:59:54,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:59:54,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:59:54,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:54,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:59:54,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 20:59:54,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:59:54,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 20:59:54,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:59:54,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:59:54,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:59:54,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 20:59:54,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:59:54,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 20:59:54,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:59:54,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:54,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:59:54,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:59:54,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:59:54,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:59:54,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:59:54,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:59:54,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:59:54,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:59:54,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:59:54,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 20:59:54,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:59:54,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:54,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:59:54,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 20:59:54,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:59:54,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 20:59:54,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:59:54,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:59:54,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 20:59:54,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:59:54,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:59:54,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:59:54,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:59:54,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:54,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:59:54,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 20:59:54,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:59:54,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 20:59:54,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:59:54,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:59:54,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:59:54,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:59:54,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:59:54,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:59:54,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:59:54,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:54,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:59:54,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:59:54,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:59:54,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:59:54,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:59:54,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:59:54,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:59:54,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:59:54,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:59:54,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:59:54,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:59:54,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:54,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:59:54,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 20:59:54,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:59:54,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:59:54,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:59:54,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:59:54,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:59:54,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:59:54,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:59:54,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:59:54,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:59:54,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:54,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:59:54,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:59:54,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:59:54,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:59:54,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:59:54,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:59:54,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:59:54,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:59:54,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:59:54,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:59:54,375 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1011399566] [2020-10-27 20:59:54,376 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:59:54,376 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 20:59:54,376 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386252537] [2020-10-27 20:59:54,378 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 20:59:54,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:59:54,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 20:59:54,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-27 20:59:54,379 INFO L87 Difference]: Start difference. First operand 667 states and 1048 transitions. Second operand 11 states. [2020-10-27 20:59:57,274 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 20:59:58,523 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 20:59:59,884 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 21:00:01,207 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 21:00:22,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:00:22,602 INFO L93 Difference]: Finished difference Result 1740 states and 2963 transitions. [2020-10-27 21:00:22,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 21:00:22,603 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 90 [2020-10-27 21:00:22,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:00:22,615 INFO L225 Difference]: With dead ends: 1740 [2020-10-27 21:00:22,615 INFO L226 Difference]: Without dead ends: 1105 [2020-10-27 21:00:22,620 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2020-10-27 21:00:22,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1105 states. [2020-10-27 21:00:22,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1105 to 667. [2020-10-27 21:00:22,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 667 states. [2020-10-27 21:00:22,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 1042 transitions. [2020-10-27 21:00:22,822 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 1042 transitions. Word has length 90 [2020-10-27 21:00:22,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:00:22,822 INFO L481 AbstractCegarLoop]: Abstraction has 667 states and 1042 transitions. [2020-10-27 21:00:22,822 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 21:00:22,822 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 1042 transitions. [2020-10-27 21:00:22,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-27 21:00:22,826 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:00:22,826 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:00:22,827 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 21:00:22,827 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 21:00:22,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:00:22,827 INFO L82 PathProgramCache]: Analyzing trace with hash 1326500893, now seen corresponding path program 1 times [2020-10-27 21:00:22,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:00:22,828 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1477672788] [2020-10-27 21:00:22,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:00:22,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:00:22,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:00:22,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:00:23,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:00:23,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:00:26,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:00:27,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:00:27,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:00:27,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-27 21:00:27,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 21:00:27,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-27 21:00:27,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:00:27,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:00:27,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 21:00:27,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:00:27,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:00:29,152 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 21:00:29,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:00:29,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:00:29,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:00:29,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:00:29,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:00:29,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:00:29,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-27 21:00:29,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:00:29,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:00:29,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:00:29,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:00:29,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:00:29,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:00:29,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:00:29,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:00:29,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:00:29,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:00:29,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:00:29,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:00:29,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:00:29,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:00:29,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:00:29,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:00:29,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:00:29,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:00:29,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:00:29,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:00:29,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:00:29,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:00:29,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:00:29,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:00:29,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:00:29,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:00:29,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:00:29,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:00:29,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:00:29,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:00:29,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:00:29,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:00:29,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:00:29,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:00:29,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:00:29,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:00:29,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:00:29,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:00:29,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:00:29,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:00:29,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:00:29,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:00:29,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:00:29,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:00:29,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:00:29,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:00:29,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:00:29,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:00:29,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:00:29,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:00:29,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:00:29,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:00:29,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:00:29,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 21:00:29,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:00:29,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:00:29,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:00:29,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:00:29,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:00:29,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:00:29,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:00:29,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:00:29,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:00:29,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:00:29,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:00:29,520 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 21:00:29,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 21:00:29,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:00:29,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:00:29,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:00:29,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:00:29,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:00:30,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:00:30,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-27 21:00:30,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 21:00:30,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1235 [2020-10-27 21:00:30,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:00:30,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:00:30,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 21:00:30,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:00:30,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:00:30,911 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 21:00:30,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:00:30,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:00:30,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:00:30,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:00:30,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:00:30,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:00:31,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:00:31,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 21:00:31,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 21:00:31,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 435 [2020-10-27 21:00:31,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:00:31,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:00:31,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 21:00:31,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:00:31,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:00:31,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:00:31,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:00:31,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:00:31,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:00:31,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:00:31,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 21:00:31,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:00:31,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:00:31,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:00:31,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:00:31,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:00:31,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:00:31,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:00:31,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:00:31,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:00:31,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:00:31,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:00:31,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 21:00:31,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:00:31,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 21:00:31,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:00:31,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:00:31,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:00:31,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 21:00:31,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:00:31,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 21:00:31,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:00:31,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:00:31,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:00:31,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:00:31,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:00:31,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:00:31,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:00:31,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:00:31,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:00:31,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 21:00:31,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:00:31,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 21:00:31,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:00:31,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:00:31,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:00:31,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 21:00:31,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:00:31,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 21:00:31,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:00:31,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:00:31,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 21:00:31,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:00:31,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:00:31,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:00:31,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:00:31,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:00:31,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:00:31,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 21:00:31,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:00:31,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 21:00:31,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:00:31,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:00:31,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:00:31,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:00:31,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:00:31,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:00:31,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:00:31,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:00:31,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:00:31,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:00:31,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:00:31,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:00:31,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:00:31,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:00:31,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:00:31,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:00:31,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:00:31,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 21:00:31,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:00:31,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:00:31,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:00:31,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 21:00:31,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:00:31,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:00:31,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:00:31,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:00:31,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:00:31,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:00:31,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:00:31,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:00:31,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:00:31,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:00:31,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:00:31,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:00:31,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:00:31,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:00:31,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:00:31,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:00:31,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:00:31,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:00:31,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:00:31,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 21:00:31,691 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1477672788] [2020-10-27 21:00:31,691 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:00:31,691 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 21:00:31,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135725481] [2020-10-27 21:00:31,693 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 21:00:31,693 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:00:31,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 21:00:31,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-27 21:00:31,695 INFO L87 Difference]: Start difference. First operand 667 states and 1042 transitions. Second operand 11 states. [2020-10-27 21:00:34,103 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 21:00:35,414 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 21:00:36,777 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 21:00:38,203 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 21:00:57,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:00:57,862 INFO L93 Difference]: Finished difference Result 1740 states and 2952 transitions. [2020-10-27 21:00:57,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 21:00:57,863 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 92 [2020-10-27 21:00:57,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:00:57,874 INFO L225 Difference]: With dead ends: 1740 [2020-10-27 21:00:57,874 INFO L226 Difference]: Without dead ends: 1105 [2020-10-27 21:00:57,879 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2020-10-27 21:00:57,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1105 states. [2020-10-27 21:00:58,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1105 to 667. [2020-10-27 21:00:58,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 667 states. [2020-10-27 21:00:58,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 1036 transitions. [2020-10-27 21:00:58,062 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 1036 transitions. Word has length 92 [2020-10-27 21:00:58,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:00:58,062 INFO L481 AbstractCegarLoop]: Abstraction has 667 states and 1036 transitions. [2020-10-27 21:00:58,062 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 21:00:58,062 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 1036 transitions. [2020-10-27 21:00:58,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-27 21:00:58,064 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:00:58,065 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:00:58,065 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 21:00:58,065 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 21:00:58,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:00:58,066 INFO L82 PathProgramCache]: Analyzing trace with hash 624118294, now seen corresponding path program 1 times [2020-10-27 21:00:58,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:00:58,066 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1078470856] [2020-10-27 21:00:58,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:00:58,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:00:58,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:00:58,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:00:58,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:00:59,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:00:59,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:00,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:03,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:01:03,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-27 21:01:03,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 21:01:03,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 21:01:03,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:01:03,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:01:03,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-27 21:01:03,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:01:03,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:01:04,391 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 21:01:04,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:01:04,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:01:04,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:04,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:01:04,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:01:04,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:01:04,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-27 21:01:04,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:01:04,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:01:04,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:01:04,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:01:04,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:01:04,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:01:04,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:01:04,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:04,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:01:04,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:01:04,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:01:04,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:01:04,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:01:04,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:01:04,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:01:04,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:01:04,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:01:04,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:01:04,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:01:04,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:04,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:01:04,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:01:04,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:01:04,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:01:04,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:01:04,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:01:04,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:01:04,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:01:04,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:01:04,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:01:04,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:01:04,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:04,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:01:04,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:01:04,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:01:04,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:01:04,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:01:04,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:01:04,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:01:04,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:01:04,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:01:04,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:01:04,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:01:04,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:04,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:01:04,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:01:04,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:01:04,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:01:04,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:01:04,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:01:04,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:01:04,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:01:04,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:01:04,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 21:01:04,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:01:04,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:04,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:01:04,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:01:04,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:01:04,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:01:04,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:01:04,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:01:04,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:01:04,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:01:04,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:01:04,749 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 21:01:04,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 21:01:04,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:01:04,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:04,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:04,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:04,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:05,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:01:05,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-27 21:01:05,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 21:01:05,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1017 [2020-10-27 21:01:05,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:01:05,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:01:05,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-27 21:01:05,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:01:05,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:01:05,928 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 21:01:05,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:01:05,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:01:05,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:05,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:05,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:05,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:06,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:01:06,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-27 21:01:06,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 21:01:06,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 304 [2020-10-27 21:01:06,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:01:06,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:01:06,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 21:01:06,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:01:06,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:01:06,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:01:06,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:01:06,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:06,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:06,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:01:06,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 21:01:06,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:01:06,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:01:06,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:01:06,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:01:06,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:01:06,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 21:01:06,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:01:06,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:01:06,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:01:06,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:06,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:01:06,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 21:01:06,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:01:06,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 21:01:06,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:01:06,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:01:06,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:01:06,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 21:01:06,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:01:06,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:01:06,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:01:06,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:06,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:01:06,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:01:06,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:01:06,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:01:06,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:01:06,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:01:06,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:01:06,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 21:01:06,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:01:06,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 21:01:06,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:01:06,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:06,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:01:06,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 21:01:06,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:01:06,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 21:01:06,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:01:06,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:01:06,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 21:01:06,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:01:06,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:01:06,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:01:06,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:01:06,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:06,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:01:06,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 21:01:06,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:01:06,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 21:01:06,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:01:06,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:01:06,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:01:06,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:01:06,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:01:06,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:01:06,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:01:06,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:06,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:01:06,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:01:06,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:01:06,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:01:06,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:01:06,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:01:06,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:01:06,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:01:06,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:01:06,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 21:01:06,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:01:06,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:06,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:01:06,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 21:01:06,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:01:06,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:01:06,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:01:06,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:01:06,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:01:06,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:01:06,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:01:06,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:01:06,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:01:06,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:06,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:01:06,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:01:06,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:01:06,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:01:06,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:01:06,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:01:06,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:01:06,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:01:06,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:01:06,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 21:01:06,498 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1078470856] [2020-10-27 21:01:06,498 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:01:06,498 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 21:01:06,498 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136026458] [2020-10-27 21:01:06,498 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 21:01:06,499 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:01:06,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 21:01:06,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-27 21:01:06,499 INFO L87 Difference]: Start difference. First operand 667 states and 1036 transitions. Second operand 11 states. [2020-10-27 21:01:09,241 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 21:01:10,503 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 21:01:11,867 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 21:01:13,188 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 21:01:33,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:01:33,268 INFO L93 Difference]: Finished difference Result 1740 states and 2941 transitions. [2020-10-27 21:01:33,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 21:01:33,269 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 94 [2020-10-27 21:01:33,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:01:33,279 INFO L225 Difference]: With dead ends: 1740 [2020-10-27 21:01:33,279 INFO L226 Difference]: Without dead ends: 1105 [2020-10-27 21:01:33,284 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2020-10-27 21:01:33,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1105 states. [2020-10-27 21:01:33,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1105 to 667. [2020-10-27 21:01:33,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 667 states. [2020-10-27 21:01:33,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 1030 transitions. [2020-10-27 21:01:33,503 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 1030 transitions. Word has length 94 [2020-10-27 21:01:33,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:01:33,503 INFO L481 AbstractCegarLoop]: Abstraction has 667 states and 1030 transitions. [2020-10-27 21:01:33,503 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 21:01:33,503 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 1030 transitions. [2020-10-27 21:01:33,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-27 21:01:33,507 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:01:33,507 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:01:33,507 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 21:01:33,508 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:01:33,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:01:33,508 INFO L82 PathProgramCache]: Analyzing trace with hash 625003173, now seen corresponding path program 1 times [2020-10-27 21:01:33,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:01:33,509 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [902390227] [2020-10-27 21:01:33,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:01:33,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:01:33,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:33,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:33,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:34,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:36,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:36,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:38,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:01:38,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-27 21:01:38,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 21:01:38,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 21:01:38,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:01:38,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:01:38,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-10-27 21:01:38,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 21:01:38,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:01:39,774 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 21:01:39,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:01:39,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:01:39,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:39,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:01:39,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:01:39,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:01:39,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-27 21:01:39,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:01:39,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:01:39,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:01:39,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:01:39,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:01:39,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:01:39,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:01:39,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:39,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:01:39,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:01:39,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:01:39,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:01:39,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:01:39,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:01:39,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:01:39,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:01:39,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:01:39,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:01:39,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:01:39,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:39,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:01:39,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:01:39,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:01:39,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:01:39,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:01:39,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:01:39,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:01:39,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:01:39,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:01:39,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:01:39,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:01:39,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:39,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:01:39,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:01:39,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:01:39,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:01:39,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:01:39,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:01:39,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:01:39,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:01:39,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:01:39,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:01:39,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:01:39,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:39,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:01:39,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:01:39,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:01:39,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:01:39,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:01:39,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:01:39,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:01:39,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:01:39,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:01:39,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 21:01:39,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:01:39,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:39,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:01:39,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:01:39,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:01:39,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 21:01:39,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:01:39,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:01:39,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:01:39,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:01:39,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:01:40,191 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 21:01:40,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 21:01:40,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:01:40,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:40,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:40,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:41,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:01:41,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-27 21:01:41,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 21:01:41,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1138 [2020-10-27 21:01:41,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:01:41,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:01:41,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-27 21:01:41,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 21:01:41,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:01:41,496 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 21:01:41,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:01:41,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:01:41,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:41,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:41,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:41,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:01:41,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 21:01:41,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 21:01:41,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 352 [2020-10-27 21:01:41,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:01:41,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:01:41,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 21:01:41,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 21:01:41,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:01:41,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:01:41,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:01:41,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:41,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:41,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:01:41,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 21:01:41,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:01:41,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:01:41,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:01:41,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:01:41,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:01:41,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 21:01:41,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:01:41,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 21:01:41,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:01:41,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:41,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:01:41,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 21:01:41,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:01:41,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 21:01:41,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:01:41,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:01:41,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 21:01:41,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 21:01:41,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:01:41,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:01:41,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:01:41,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:41,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:01:41,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:01:41,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:01:41,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:01:41,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:01:41,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:01:41,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:01:41,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 21:01:41,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:01:42,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 21:01:42,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:01:42,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:42,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:01:42,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 21:01:42,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:01:42,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 21:01:42,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:01:42,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:01:42,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 21:01:42,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:01:42,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:01:42,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:01:42,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:01:42,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:42,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:01:42,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 21:01:42,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:01:42,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 21:01:42,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:01:42,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:01:42,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:01:42,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:01:42,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:01:42,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:01:42,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:01:42,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:42,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:01:42,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:01:42,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:01:42,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:01:42,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:01:42,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:01:42,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:01:42,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:01:42,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:01:42,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 21:01:42,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:01:42,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:42,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:01:42,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 21:01:42,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:01:42,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:01:42,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:01:42,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:01:42,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:01:42,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:01:42,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:01:42,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:01:42,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:01:42,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:42,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:01:42,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:01:42,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:01:42,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:01:42,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:01:42,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:01:42,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:01:42,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:01:42,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:01:42,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 21:01:42,234 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [902390227] [2020-10-27 21:01:42,234 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:01:42,234 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-27 21:01:42,235 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207766174] [2020-10-27 21:01:42,235 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 21:01:42,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:01:42,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 21:01:42,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-27 21:01:42,239 INFO L87 Difference]: Start difference. First operand 667 states and 1030 transitions. Second operand 12 states. [2020-10-27 21:01:45,285 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 21:01:46,565 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 21:01:47,958 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 425 [2020-10-27 21:01:49,593 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 21:01:50,673 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 21:02:12,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:02:12,770 INFO L93 Difference]: Finished difference Result 1745 states and 2941 transitions. [2020-10-27 21:02:12,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-27 21:02:12,772 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 95 [2020-10-27 21:02:12,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:02:12,780 INFO L225 Difference]: With dead ends: 1745 [2020-10-27 21:02:12,781 INFO L226 Difference]: Without dead ends: 1115 [2020-10-27 21:02:12,784 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=109, Invalid=353, Unknown=0, NotChecked=0, Total=462 [2020-10-27 21:02:12,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1115 states. [2020-10-27 21:02:12,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1115 to 670. [2020-10-27 21:02:12,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 670 states. [2020-10-27 21:02:12,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 1033 transitions. [2020-10-27 21:02:12,983 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 1033 transitions. Word has length 95 [2020-10-27 21:02:12,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:02:12,983 INFO L481 AbstractCegarLoop]: Abstraction has 670 states and 1033 transitions. [2020-10-27 21:02:12,983 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 21:02:12,983 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 1033 transitions. [2020-10-27 21:02:12,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-27 21:02:12,985 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:02:12,985 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:02:12,985 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 21:02:12,986 INFO L429 AbstractCegarLoop]: === Iteration 6 === [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 21:02:12,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:02:12,986 INFO L82 PathProgramCache]: Analyzing trace with hash 2109124912, now seen corresponding path program 1 times [2020-10-27 21:02:12,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:02:12,986 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [330098390] [2020-10-27 21:02:12,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:02:13,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:13,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:13,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:13,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:15,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:15,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:16,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:18,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:18,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-27 21:02:18,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 21:02:18,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-27 21:02:18,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:18,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:02:18,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-10-27 21:02:18,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 21:02:18,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:02:19,299 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 21:02:19,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:02:19,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:19,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:19,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:19,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:02:19,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:02:19,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-27 21:02:19,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:19,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:02:19,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:02:19,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:02:19,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:02:19,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:02:19,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:19,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:19,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:19,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:02:19,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:02:19,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:02:19,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:19,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:02:19,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:02:19,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:02:19,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:02:19,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:02:19,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:19,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:19,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:19,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:02:19,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:02:19,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:02:19,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:19,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:02:19,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:02:19,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:02:19,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:02:19,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:02:19,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:19,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:19,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:19,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:02:19,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:02:19,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:02:19,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:19,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:02:19,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:02:19,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:02:19,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:02:19,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:02:19,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:19,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:19,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:19,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:02:19,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:02:19,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:02:19,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:19,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:02:19,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:02:19,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:02:19,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:02:19,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 21:02:19,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:19,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:19,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:19,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:02:19,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:02:19,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:02:19,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:19,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:02:19,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:02:19,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:02:19,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:02:19,691 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 21:02:19,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 21:02:19,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:19,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:19,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:19,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:20,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:20,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-27 21:02:20,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 21:02:20,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 536 [2020-10-27 21:02:20,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:20,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:02:20,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:02:20,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 21:02:20,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:02:20,392 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 21:02:20,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:02:20,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:20,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:20,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:20,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:20,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:20,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 21:02:20,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 21:02:20,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-10-27 21:02:20,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:20,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:02:20,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 21:02:20,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 21:02:20,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:02:20,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:02:20,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:20,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:20,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:20,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 21:02:20,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:02:20,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:02:20,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:20,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:02:20,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:02:20,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:02:20,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:02:20,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:02:20,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:20,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:20,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:20,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-27 21:02:20,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:02:20,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 21:02:20,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:20,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:02:20,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:02:20,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 21:02:20,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:02:20,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 21:02:20,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:20,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:20,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:20,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:02:20,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:02:20,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:02:20,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:20,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:02:20,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:02:20,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 21:02:20,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:02:20,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 21:02:20,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:20,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:20,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:20,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 21:02:20,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:02:20,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 21:02:20,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:20,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:02:20,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 21:02:20,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:02:20,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:02:20,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:02:20,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:20,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:20,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:20,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 21:02:20,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:02:20,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 21:02:20,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:20,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:02:20,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:02:20,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:02:20,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:02:20,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:02:20,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:20,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:20,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:20,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:02:20,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:02:20,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:02:20,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:20,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:02:20,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:02:20,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:02:20,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:02:20,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 21:02:20,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:20,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:20,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:20,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 21:02:20,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:02:20,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:02:20,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:20,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:02:20,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:02:20,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:02:20,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:02:20,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:02:20,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:20,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:20,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:20,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:02:20,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:02:20,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:02:20,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:20,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:02:20,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:02:20,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:02:20,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:02:20,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 21:02:20,762 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [330098390] [2020-10-27 21:02:20,762 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:02:20,762 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 21:02:20,762 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695248220] [2020-10-27 21:02:20,763 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 21:02:20,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:02:20,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 21:02:20,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-27 21:02:20,764 INFO L87 Difference]: Start difference. First operand 670 states and 1033 transitions. Second operand 9 states. [2020-10-27 21:02:23,161 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 21:02:24,340 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 121