/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_product11.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 20:54:58,822 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 20:54:58,825 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 20:54:58,859 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 20:54:58,860 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 20:54:58,862 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 20:54:58,864 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 20:54:58,866 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 20:54:58,869 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 20:54:58,870 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 20:54:58,871 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 20:54:58,873 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 20:54:58,874 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 20:54:58,875 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 20:54:58,876 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 20:54:58,878 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 20:54:58,879 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 20:54:58,880 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 20:54:58,896 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 20:54:58,898 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 20:54:58,901 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 20:54:58,904 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 20:54:58,905 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 20:54:58,906 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 20:54:58,910 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 20:54:58,910 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 20:54:58,911 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 20:54:58,912 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 20:54:58,913 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 20:54:58,914 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 20:54:58,914 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 20:54:58,915 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 20:54:58,916 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 20:54:58,917 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 20:54:58,919 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 20:54:58,919 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 20:54:58,920 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 20:54:58,921 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 20:54:58,921 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 20:54:58,922 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 20:54:58,923 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 20:54:58,924 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 20:54:58,956 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 20:54:58,956 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 20:54:58,958 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 20:54:58,958 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 20:54:58,958 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 20:54:58,959 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 20:54:58,959 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 20:54:58,959 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 20:54:58,960 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 20:54:58,960 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 20:54:58,960 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 20:54:58,960 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 20:54:58,961 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 20:54:58,961 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 20:54:58,961 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 20:54:58,961 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 20:54:58,962 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 20:54:58,962 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 20:54:58,962 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 20:54:58,962 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 20:54:58,963 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 20:54:58,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 20:54:58,963 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 20:54:58,964 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 20:54:58,964 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 20:54:58,964 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 20:54:58,964 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 20:54:58,965 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 20:54:58,965 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 20:54:58,965 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 20:54:59,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 20:54:59,442 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 20:54:59,445 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 20:54:59,447 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 20:54:59,448 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 20:54:59,449 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product11.cil.c [2020-10-27 20:54:59,529 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/532fa4cb3/8c478aed217343d6bb0dca9553102b46/FLAG8bf860115 [2020-10-27 20:55:00,304 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 20:55:00,305 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec2_product11.cil.c [2020-10-27 20:55:00,343 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/532fa4cb3/8c478aed217343d6bb0dca9553102b46/FLAG8bf860115 [2020-10-27 20:55:00,515 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/532fa4cb3/8c478aed217343d6bb0dca9553102b46 [2020-10-27 20:55:00,519 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 20:55:00,528 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 20:55:00,532 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 20:55:00,532 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 20:55:00,536 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 20:55:00,537 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:55:00" (1/1) ... [2020-10-27 20:55:00,542 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b135f17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:55:00, skipping insertion in model container [2020-10-27 20:55:00,542 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:55:00" (1/1) ... [2020-10-27 20:55:00,551 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 20:55:00,646 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 20:55:01,353 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 20:55:01,364 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 20:55:01,492 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 20:55:01,555 INFO L208 MainTranslator]: Completed translation [2020-10-27 20:55:01,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:55:01 WrapperNode [2020-10-27 20:55:01,556 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 20:55:01,557 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 20:55:01,558 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 20:55:01,558 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 20:55:01,572 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:55:01" (1/1) ... [2020-10-27 20:55:01,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:55:01" (1/1) ... [2020-10-27 20:55:01,608 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:55:01" (1/1) ... [2020-10-27 20:55:01,609 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:55:01" (1/1) ... [2020-10-27 20:55:01,673 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:55:01" (1/1) ... [2020-10-27 20:55:01,730 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:55:01" (1/1) ... [2020-10-27 20:55:01,755 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:55:01" (1/1) ... [2020-10-27 20:55:01,778 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 20:55:01,780 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 20:55:01,780 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 20:55:01,780 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 20:55:01,782 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:55:01" (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 20:55:01,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 20:55:01,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 20:55:01,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 20:55:01,877 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 20:55:01,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 20:55:01,878 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-27 20:55:01,878 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-27 20:55:01,878 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-27 20:55:01,878 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-27 20:55:01,879 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-27 20:55:01,880 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-27 20:55:01,880 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-27 20:55:01,880 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-27 20:55:01,880 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 20:55:01,880 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-27 20:55:01,881 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-27 20:55:01,882 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-27 20:55:01,882 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 20:55:01,882 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-27 20:55:01,882 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 20:55:01,883 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 20:55:01,883 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 20:55:01,883 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-27 20:55:01,883 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-27 20:55:01,884 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-27 20:55:01,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 20:55:01,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 20:55:01,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 20:55:01,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 20:55:01,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 20:55:01,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 20:55:01,885 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-27 20:55:01,885 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-27 20:55:01,885 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-27 20:55:01,885 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-27 20:55:01,885 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-27 20:55:01,885 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-27 20:55:01,885 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-27 20:55:01,886 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-27 20:55:01,886 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-27 20:55:01,886 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-27 20:55:01,886 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-27 20:55:01,886 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-27 20:55:01,886 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-27 20:55:01,886 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-27 20:55:01,887 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-27 20:55:01,887 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2020-10-27 20:55:01,887 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-27 20:55:01,887 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-27 20:55:01,887 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-27 20:55:01,887 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-27 20:55:01,887 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-27 20:55:01,888 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-27 20:55:01,889 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-27 20:55:01,889 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 20:55:01,889 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-27 20:55:01,889 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-27 20:55:01,889 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-27 20:55:01,890 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-27 20:55:01,890 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-27 20:55:01,890 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-27 20:55:01,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-27 20:55:01,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-27 20:55:01,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2020-10-27 20:55:01,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2020-10-27 20:55:01,891 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-27 20:55:01,891 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-27 20:55:01,892 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-27 20:55:01,892 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-27 20:55:01,892 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-27 20:55:01,892 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-27 20:55:01,893 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-27 20:55:01,895 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-27 20:55:01,895 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 20:55:01,895 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 20:55:01,895 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 20:55:01,896 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 20:55:01,896 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 20:55:01,896 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 20:55:01,896 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 20:55:01,896 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 20:55:01,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 20:55:01,897 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 20:55:01,897 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 20:55:01,898 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 20:55:01,898 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-27 20:55:01,898 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-27 20:55:01,898 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-27 20:55:01,898 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-27 20:55:01,898 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-27 20:55:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-27 20:55:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-27 20:55:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-27 20:55:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-27 20:55:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 20:55:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-27 20:55:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-27 20:55:01,900 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-27 20:55:01,900 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 20:55:01,900 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-27 20:55:01,900 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-27 20:55:01,900 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-27 20:55:01,900 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-27 20:55:01,900 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-27 20:55:01,901 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 20:55:01,901 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-27 20:55:01,901 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 20:55:01,901 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-27 20:55:01,901 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2020-10-27 20:55:01,902 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 20:55:01,902 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 20:55:01,902 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 20:55:01,902 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 20:55:01,903 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 20:55:01,904 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 20:55:01,904 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-27 20:55:01,904 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-27 20:55:01,905 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 20:55:01,906 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 20:55:01,906 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 20:55:01,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 20:55:01,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 20:55:01,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 20:55:01,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 20:55:01,907 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 20:55:01,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 20:55:01,907 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 20:55:01,907 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 20:55:01,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 20:55:01,908 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 20:55:01,909 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 20:55:01,910 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 20:55:01,913 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 20:55:01,913 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-27 20:55:01,913 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-27 20:55:01,913 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-27 20:55:01,913 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-27 20:55:01,914 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-27 20:55:01,914 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-27 20:55:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-27 20:55:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-27 20:55:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-27 20:55:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-27 20:55:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-27 20:55:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-27 20:55:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-27 20:55:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-27 20:55:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-27 20:55:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-27 20:55:01,924 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-27 20:55:01,924 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-27 20:55:01,924 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-27 20:55:01,924 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-27 20:55:01,924 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-27 20:55:01,924 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-27 20:55:01,924 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2020-10-27 20:55:01,924 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-27 20:55:01,925 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-27 20:55:01,925 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-27 20:55:01,926 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-27 20:55:01,926 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-27 20:55:01,926 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-27 20:55:01,926 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2020-10-27 20:55:01,926 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-27 20:55:01,926 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-27 20:55:01,926 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-27 20:55:01,926 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-27 20:55:01,926 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 20:55:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 20:55:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 20:55:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 20:55:04,710 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 20:55:04,711 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-27 20:55:04,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:55:04 BoogieIcfgContainer [2020-10-27 20:55:04,714 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 20:55:04,716 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 20:55:04,717 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 20:55:04,720 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 20:55:04,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 08:55:00" (1/3) ... [2020-10-27 20:55:04,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7abaab60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:55:04, skipping insertion in model container [2020-10-27 20:55:04,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:55:01" (2/3) ... [2020-10-27 20:55:04,722 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7abaab60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:55:04, skipping insertion in model container [2020-10-27 20:55:04,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:55:04" (3/3) ... [2020-10-27 20:55:04,724 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product11.cil.c [2020-10-27 20:55:04,736 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 20:55:04,742 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 20:55:04,755 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 20:55:04,787 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 20:55:04,787 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 20:55:04,787 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 20:55:04,787 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 20:55:04,787 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 20:55:04,787 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 20:55:04,788 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 20:55:04,788 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 20:55:04,824 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states. [2020-10-27 20:55:04,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-27 20:55:04,851 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:55:04,853 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:55:04,853 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 20:55:04,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:55:04,860 INFO L82 PathProgramCache]: Analyzing trace with hash 1703207976, now seen corresponding path program 1 times [2020-10-27 20:55:04,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:55:04,870 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [496247844] [2020-10-27 20:55:04,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:55:05,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:05,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:05,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:05,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:06,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:07,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:09,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:10,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:10,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:10,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-10-27 20:55:10,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 20:55:10,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-10-27 20:55:10,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:10,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:55:10,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-27 20:55:10,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:55:10,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 20:55:11,878 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-27 20:55:11,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:55:11,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:11,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:11,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:11,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:55:11,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:11,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-27 20:55:11,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:11,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:55:11,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:55:11,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:55:11,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:11,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:55:11,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:12,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:12,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:12,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:55:12,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:12,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:55:12,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:12,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:55:12,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:55:12,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:55:12,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:12,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:55:12,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:12,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:12,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:12,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:55:12,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:12,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:55:12,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:12,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:55:12,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:55:12,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:55:12,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:12,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:55:12,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:12,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:12,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:12,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:55:12,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:12,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:55:12,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:12,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:55:12,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:55:12,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:55:12,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:12,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:55:12,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:12,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:12,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:12,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:55:12,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:12,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:55:12,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:12,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:55:12,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:55:12,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:55:12,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:12,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 20:55:12,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:12,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:12,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:12,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:55:12,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:12,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:55:12,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:12,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:55:12,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:55:12,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:55:12,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:12,305 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-27 20:55:12,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:55:12,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:12,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:12,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:12,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:12,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:12,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:13,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:17,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:17,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-27 20:55:17,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:55:17,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-27 20:55:17,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:17,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 20:55:17,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 20:55:17,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-27 20:55:17,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:17,579 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 20:55:17,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:55:17,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:17,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:17,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:17,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:17,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:17,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:18,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:18,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 20:55:18,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 20:55:18,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 717 [2020-10-27 20:55:18,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:18,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:55:18,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 20:55:18,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:55:18,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:18,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:55:18,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:18,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:18,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:18,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:18,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:55:18,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:55:18,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:55:18,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:18,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:55:18,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:55:18,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:55:18,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:18,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 20:55:18,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:18,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:18,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:18,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 20:55:18,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:18,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-27 20:55:18,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:18,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:55:18,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:55:18,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 20:55:18,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:18,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 20:55:18,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:18,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:18,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:18,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:55:18,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:18,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:55:18,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:18,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:55:18,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:55:18,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:55:18,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:18,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 20:55:18,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:18,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:18,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:18,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:19,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:23,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:23,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-27 20:55:23,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 20:55:23,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 20:55:23,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:23,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:55:23,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 101 [2020-10-27 20:55:23,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:55:23,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:23,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:55:23,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:23,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:23,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:23,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:24,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:27,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:27,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-27 20:55:27,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 20:55:27,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3959 [2020-10-27 20:55:27,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:27,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 20:55:27,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-27 20:55:27,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 20:55:27,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:55:27,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:55:27,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:27,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:27,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:27,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 20:55:27,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:27,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:55:27,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:27,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:55:27,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:55:27,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:55:27,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:27,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:55:27,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:27,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:27,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:27,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:55:27,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:27,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:55:27,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:27,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:55:27,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:55:27,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:55:27,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:27,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:55:27,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:27,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:27,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:27,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:55:27,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:27,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:55:27,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:27,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:55:27,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:55:27,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:55:27,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:27,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 20:55:27,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:27,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:27,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:27,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:55:27,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:27,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:55:27,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:27,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:55:27,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:55:27,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:55:27,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:27,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:55:27,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:27,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:27,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:27,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 20:55:27,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:27,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 20:55:27,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:27,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:55:27,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:55:27,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:55:27,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:55:27,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:55:27,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:27,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:27,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:27,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:55:27,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:27,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:55:27,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:27,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:55:27,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:55:27,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:55:27,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:27,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:55:27,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:27,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:27,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:27,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:55:27,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:27,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:55:27,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:27,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:55:27,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:55:27,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:55:27,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:27,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 20:55:27,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:27,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:27,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:27,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:55:27,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:27,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:55:27,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:27,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:55:27,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:55:27,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:55:27,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:27,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 20:55:27,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:27,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:27,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:27,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:55:27,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:27,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 20:55:27,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:27,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:55:27,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:55:27,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:55:27,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:27,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 20:55:27,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:27,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:27,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:27,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 20:55:27,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:27,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 20:55:27,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:27,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:55:27,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 20:55:27,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 20:55:27,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:27,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:55:27,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:27,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:27,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:27,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:55:27,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:27,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 20:55:27,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:27,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:55:27,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:55:27,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 20:55:27,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:28,148 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-27 20:55:28,148 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [496247844] [2020-10-27 20:55:28,151 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:55:28,151 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-27 20:55:28,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518578765] [2020-10-27 20:55:28,157 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 20:55:28,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:55:28,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 20:55:28,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2020-10-27 20:55:28,174 INFO L87 Difference]: Start difference. First operand 769 states. Second operand 18 states. [2020-10-27 20:55:30,519 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 20:55:31,305 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 20:55:32,706 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 20:55:34,007 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-27 20:55:35,594 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 20:55:39,149 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 20:55:39,600 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 20:55:46,249 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 20:55:46,625 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 20:55:46,839 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 20:55:48,414 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 20:55:49,593 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 20:55:50,960 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 20:55:52,169 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-27 20:55:54,605 WARN L193 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 410 DAG size of output: 408 [2020-10-27 20:55:55,828 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 413 [2020-10-27 20:55:58,193 WARN L193 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 413 DAG size of output: 408 [2020-10-27 20:55:59,219 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 20:55:59,565 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 117 [2020-10-27 20:55:59,858 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 20:56:00,037 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-27 20:56:04,787 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-27 20:56:07,099 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 20:56:14,331 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 20:56:17,472 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 20:56:18,931 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 20:56:20,151 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 20:56:21,361 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-27 20:56:21,685 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 20:56:27,431 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-27 20:56:28,122 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-27 20:56:34,018 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 20:56:38,402 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 20:57:35,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:57:35,270 INFO L93 Difference]: Finished difference Result 4453 states and 8515 transitions. [2020-10-27 20:57:35,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2020-10-27 20:57:35,272 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 134 [2020-10-27 20:57:35,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:57:35,361 INFO L225 Difference]: With dead ends: 4453 [2020-10-27 20:57:35,361 INFO L226 Difference]: Without dead ends: 3771 [2020-10-27 20:57:35,378 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2252 ImplicationChecksByTransitivity, 28.8s TimeCoverageRelationStatistics Valid=1155, Invalid=5165, Unknown=0, NotChecked=0, Total=6320 [2020-10-27 20:57:35,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3771 states. [2020-10-27 20:57:36,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3771 to 1948. [2020-10-27 20:57:36,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1948 states. [2020-10-27 20:57:36,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1948 states to 1948 states and 3124 transitions. [2020-10-27 20:57:36,357 INFO L78 Accepts]: Start accepts. Automaton has 1948 states and 3124 transitions. Word has length 134 [2020-10-27 20:57:36,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:57:36,358 INFO L481 AbstractCegarLoop]: Abstraction has 1948 states and 3124 transitions. [2020-10-27 20:57:36,358 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 20:57:36,358 INFO L276 IsEmpty]: Start isEmpty. Operand 1948 states and 3124 transitions. [2020-10-27 20:57:36,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-27 20:57:36,373 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:57:36,374 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:57:36,375 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 20:57:36,375 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 20:57:36,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:57:36,376 INFO L82 PathProgramCache]: Analyzing trace with hash 874757784, now seen corresponding path program 1 times [2020-10-27 20:57:36,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:57:36,377 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [23312679] [2020-10-27 20:57:36,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:57:36,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:36,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:36,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:36,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:36,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:38,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:38,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:39,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:40,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:41,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:41,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-27 20:57:41,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 20:57:41,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 20:57:41,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:41,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:57:41,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 155 [2020-10-27 20:57:41,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 20:57:41,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:42,774 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-27 20:57:42,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:57:42,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:42,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:42,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:42,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:57:42,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:42,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-27 20:57:42,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:42,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:57:42,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:57:42,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:57:42,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:42,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:57:42,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:42,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:42,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:42,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:57:42,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:42,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:57:42,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:42,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:57:42,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:57:42,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:57:42,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:42,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:57:42,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:42,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:42,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:42,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:57:42,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:42,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:57:42,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:42,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:57:42,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:57:42,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:57:42,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:42,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:57:42,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:42,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:42,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:42,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:57:42,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:42,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:57:42,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:42,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:57:42,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:57:42,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:57:42,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:42,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:57:42,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:42,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:42,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:42,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:57:42,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:42,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:57:42,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:42,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:57:42,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:57:42,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:57:42,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:42,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 20:57:42,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:42,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:42,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:42,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:57:42,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:42,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:57:42,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:42,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:57:42,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:57:42,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:57:42,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:43,145 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-27 20:57:43,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:57:43,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:43,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:43,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:43,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:43,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:43,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:47,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:47,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:48,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:48,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-27 20:57:48,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 20:57:48,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-27 20:57:48,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:48,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:57:48,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 110 [2020-10-27 20:57:48,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 20:57:48,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:48,333 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 20:57:48,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:57:48,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:48,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:48,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:48,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:48,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:48,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:48,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:48,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 20:57:48,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 20:57:48,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 407 [2020-10-27 20:57:48,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:48,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:57:48,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 20:57:48,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:57:48,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:48,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:57:48,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:48,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:48,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:48,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:48,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:57:48,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:57:48,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:57:48,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:48,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:57:48,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:57:48,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:57:48,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:48,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:57:48,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:48,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:48,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:48,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 20:57:48,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:48,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 20:57:48,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:48,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:57:48,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:57:48,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 20:57:48,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:48,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 20:57:48,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:48,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:48,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:48,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:57:48,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:48,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:57:48,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:48,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:57:48,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:57:48,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:57:48,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:48,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 20:57:48,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:48,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:48,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:48,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:49,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:49,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-27 20:57:49,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 20:57:49,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 835 [2020-10-27 20:57:49,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:49,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:57:49,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 76 [2020-10-27 20:57:49,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 20:57:49,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:49,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:57:49,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:49,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:49,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:49,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:50,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:50,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-27 20:57:50,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 20:57:50,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 706 [2020-10-27 20:57:50,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:50,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:57:50,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-27 20:57:50,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 20:57:50,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:57:50,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:57:50,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:50,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:50,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:50,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 20:57:50,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:50,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:57:50,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:50,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:57:50,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:57:50,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:57:50,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:50,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:57:50,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:50,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:50,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:50,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:57:50,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:50,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:57:50,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:50,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:57:50,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:57:50,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:57:50,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:50,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:57:50,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:50,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:50,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:50,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:57:50,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:50,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:57:50,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:50,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:57:50,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:57:50,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:57:50,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:57:50,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 20:57:50,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:50,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:50,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:50,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:57:50,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:50,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:57:50,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:50,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:57:50,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:57:50,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:57:50,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:50,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:57:50,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:50,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:50,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:50,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 20:57:50,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:50,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:57:50,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:50,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:57:50,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:57:50,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:57:50,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:50,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:57:50,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:50,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:50,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:50,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:57:50,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:50,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:57:50,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:50,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:57:50,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:57:50,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:57:50,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:50,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:57:50,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:50,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:50,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:50,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:57:50,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:50,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:57:50,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:50,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:57:50,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:57:50,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:57:50,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:50,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 20:57:50,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:50,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:50,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:50,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:57:50,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:50,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:57:50,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:50,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:57:50,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:57:50,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:57:50,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:57:50,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 20:57:50,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:50,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:50,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:50,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:57:50,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:50,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:57:50,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:50,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:57:50,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 20:57:50,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 20:57:50,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:50,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 20:57:50,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:50,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:50,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:50,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 20:57:50,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:50,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:57:50,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:50,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:57:50,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 20:57:50,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:57:50,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:50,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:57:50,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:50,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:50,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:50,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:57:50,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:50,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:57:50,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:50,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:57:50,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:57:50,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:57:50,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:50,740 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-27 20:57:50,740 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [23312679] [2020-10-27 20:57:50,740 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:57:50,741 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 20:57:50,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274271798] [2020-10-27 20:57:50,742 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 20:57:50,743 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:57:50,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 20:57:50,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2020-10-27 20:57:50,744 INFO L87 Difference]: Start difference. First operand 1948 states and 3124 transitions. Second operand 13 states. [2020-10-27 20:57:52,749 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-27 20:57:53,234 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 20:57:54,526 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 20:57:55,800 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 20:57:57,224 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 20:57:59,281 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 20:58:04,314 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 20:58:04,532 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 20:58:05,521 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 20:58:07,187 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 20:58:10,512 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 127