/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/elevator_spec3_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 15:46:19,806 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 15:46:19,810 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 15:46:19,851 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 15:46:19,851 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 15:46:19,853 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 15:46:19,854 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 15:46:19,857 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 15:46:19,859 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 15:46:19,860 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 15:46:19,861 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 15:46:19,863 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 15:46:19,863 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 15:46:19,864 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 15:46:19,865 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 15:46:19,867 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 15:46:19,868 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 15:46:19,869 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 15:46:19,871 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 15:46:19,873 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 15:46:19,875 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 15:46:19,877 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 15:46:19,878 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 15:46:19,879 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 15:46:19,909 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 15:46:19,909 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 15:46:19,910 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 15:46:19,911 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 15:46:19,911 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 15:46:19,922 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 15:46:19,922 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 15:46:19,923 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 15:46:19,924 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 15:46:19,927 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 15:46:19,929 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 15:46:19,929 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 15:46:19,933 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 15:46:19,933 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 15:46:19,933 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 15:46:19,934 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 15:46:19,935 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 15:46:19,938 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 [2020-10-28 15:46:19,973 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 15:46:19,973 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 15:46:19,974 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 15:46:19,974 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 15:46:19,975 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 15:46:19,977 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 15:46:19,977 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 15:46:19,977 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 15:46:19,977 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 15:46:19,978 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 15:46:19,978 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 15:46:19,978 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 15:46:19,978 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 15:46:19,978 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 15:46:19,979 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 15:46:19,979 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 15:46:19,980 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 15:46:19,980 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 15:46:19,980 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 15:46:19,981 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 15:46:19,981 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 15:46:19,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 15:46:19,982 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 15:46:19,982 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 15:46:19,982 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 15:46:19,982 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 15:46:19,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 15:46:19,982 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 15:46:19,983 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 15:46:19,983 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 15:46:20,412 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 15:46:20,441 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 15:46:20,444 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 15:46:20,445 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 15:46:20,446 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 15:46:20,447 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product32.cil.c [2020-10-28 15:46:20,533 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d275bb718/07923cd986664bdfa2ec4e46dc44c3a8/FLAG24a42fd47 [2020-10-28 15:46:21,365 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 15:46:21,366 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec3_product32.cil.c [2020-10-28 15:46:21,389 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d275bb718/07923cd986664bdfa2ec4e46dc44c3a8/FLAG24a42fd47 [2020-10-28 15:46:21,473 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d275bb718/07923cd986664bdfa2ec4e46dc44c3a8 [2020-10-28 15:46:21,478 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 15:46:21,488 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 15:46:21,492 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 15:46:21,492 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 15:46:21,497 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 15:46:21,499 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 03:46:21" (1/1) ... [2020-10-28 15:46:21,503 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19787aa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:46:21, skipping insertion in model container [2020-10-28 15:46:21,503 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 03:46:21" (1/1) ... [2020-10-28 15:46:21,513 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 15:46:21,612 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 15:46:22,440 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 15:46:22,460 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 15:46:22,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 15:46:22,693 INFO L208 MainTranslator]: Completed translation [2020-10-28 15:46:22,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:46:22 WrapperNode [2020-10-28 15:46:22,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 15:46:22,695 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 15:46:22,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 15:46:22,696 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 15:46:22,711 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:46:22" (1/1) ... [2020-10-28 15:46:22,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:46:22" (1/1) ... [2020-10-28 15:46:22,765 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:46:22" (1/1) ... [2020-10-28 15:46:22,765 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:46:22" (1/1) ... [2020-10-28 15:46:22,824 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:46:22" (1/1) ... [2020-10-28 15:46:22,871 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:46:22" (1/1) ... [2020-10-28 15:46:22,892 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:46:22" (1/1) ... [2020-10-28 15:46:22,920 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 15:46:22,921 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 15:46:22,921 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 15:46:22,921 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 15:46:22,922 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:46:22" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 15:46:23,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 15:46:23,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 15:46:23,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 15:46:23,018 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 15:46:23,018 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-28 15:46:23,019 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-28 15:46:23,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 15:46:23,019 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 15:46:23,019 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 15:46:23,019 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 15:46:23,020 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 15:46:23,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 15:46:23,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 15:46:23,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 15:46:23,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 15:46:23,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 15:46:23,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 15:46:23,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-28 15:46:23,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2020-10-28 15:46:23,023 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-28 15:46:23,023 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-28 15:46:23,023 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-28 15:46:23,023 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-28 15:46:23,023 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-28 15:46:23,023 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-28 15:46:23,024 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-28 15:46:23,024 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-28 15:46:23,024 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-28 15:46:23,024 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-28 15:46:23,024 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-28 15:46:23,024 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 15:46:23,025 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-28 15:46:23,025 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-28 15:46:23,025 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-28 15:46:23,025 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-28 15:46:23,025 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-28 15:46:23,025 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-28 15:46:23,025 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-28 15:46:23,026 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-28 15:46:23,026 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 15:46:23,026 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-28 15:46:23,026 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-28 15:46:23,026 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-28 15:46:23,026 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 15:46:23,027 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-28 15:46:23,027 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 15:46:23,027 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 15:46:23,027 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 15:46:23,027 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-28 15:46:23,027 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-28 15:46:23,028 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-28 15:46:23,028 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-28 15:46:23,028 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-28 15:46:23,029 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-28 15:46:23,029 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2020-10-28 15:46:23,029 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-28 15:46:23,029 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-28 15:46:23,029 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-28 15:46:23,030 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-28 15:46:23,030 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-28 15:46:23,030 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-28 15:46:23,030 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-28 15:46:23,031 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-28 15:46:23,031 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-28 15:46:23,031 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-28 15:46:23,031 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2020-10-28 15:46:23,031 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-28 15:46:23,031 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-28 15:46:23,032 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-28 15:46:23,032 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-28 15:46:23,032 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-28 15:46:23,032 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-28 15:46:23,033 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-28 15:46:23,033 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-28 15:46:23,033 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-28 15:46:23,034 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2020-10-28 15:46:23,034 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 15:46:23,034 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2020-10-28 15:46:23,034 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-28 15:46:23,034 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-28 15:46:23,034 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-28 15:46:23,035 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-28 15:46:23,035 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 15:46:23,035 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 15:46:23,035 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 15:46:23,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 15:46:23,035 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 15:46:23,036 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-28 15:46:23,036 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-28 15:46:23,036 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 15:46:23,036 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-28 15:46:23,036 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-28 15:46:23,036 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-28 15:46:23,037 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-28 15:46:23,037 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-28 15:46:23,037 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-28 15:46:23,037 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 15:46:23,037 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 15:46:23,037 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 15:46:23,038 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 15:46:23,038 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 15:46:23,038 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 15:46:23,038 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 15:46:23,038 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 15:46:23,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 15:46:23,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 15:46:23,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 15:46:23,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 15:46:23,039 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 15:46:23,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 15:46:23,039 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 15:46:23,039 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 15:46:23,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 15:46:23,040 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 15:46:23,040 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 15:46:23,040 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 15:46:23,040 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-28 15:46:23,041 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-28 15:46:23,041 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-28 15:46:23,041 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-28 15:46:23,041 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2020-10-28 15:46:23,041 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-28 15:46:23,041 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-28 15:46:23,042 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-28 15:46:23,042 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-28 15:46:23,042 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-28 15:46:23,042 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-28 15:46:23,042 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-28 15:46:23,042 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-28 15:46:23,043 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-28 15:46:23,043 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-28 15:46:23,043 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-28 15:46:23,043 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 15:46:23,043 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 15:46:23,044 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 15:46:23,044 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-28 15:46:23,044 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-28 15:46:23,044 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-28 15:46:23,044 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-28 15:46:23,044 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-28 15:46:23,045 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-28 15:46:23,045 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-28 15:46:23,045 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-28 15:46:23,045 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-28 15:46:23,045 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-28 15:46:23,045 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 15:46:23,046 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-28 15:46:23,046 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 15:46:23,046 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 15:46:23,046 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 15:46:23,046 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 15:46:23,046 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-28 15:46:23,047 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-28 15:46:23,047 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-28 15:46:23,047 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-28 15:46:23,047 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-28 15:46:23,047 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-28 15:46:23,047 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-28 15:46:23,048 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-28 15:46:23,048 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2020-10-28 15:46:23,048 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-28 15:46:23,048 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-28 15:46:23,048 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-28 15:46:23,048 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-28 15:46:23,048 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2020-10-28 15:46:23,049 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-28 15:46:23,049 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-28 15:46:23,049 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-28 15:46:23,049 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-28 15:46:23,049 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-28 15:46:23,049 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-28 15:46:23,050 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-28 15:46:23,050 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-28 15:46:23,050 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2020-10-28 15:46:23,050 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2020-10-28 15:46:23,050 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-28 15:46:23,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 15:46:23,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 15:46:23,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 15:46:25,796 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 15:46:25,796 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-28 15:46:25,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 03:46:25 BoogieIcfgContainer [2020-10-28 15:46:25,800 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 15:46:25,802 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 15:46:25,802 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 15:46:25,805 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 15:46:25,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 03:46:21" (1/3) ... [2020-10-28 15:46:25,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1407e3e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 03:46:25, skipping insertion in model container [2020-10-28 15:46:25,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:46:22" (2/3) ... [2020-10-28 15:46:25,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1407e3e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 03:46:25, skipping insertion in model container [2020-10-28 15:46:25,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 03:46:25" (3/3) ... [2020-10-28 15:46:25,809 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product32.cil.c [2020-10-28 15:46:25,821 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 15:46:25,828 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 15:46:25,842 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 15:46:25,881 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 15:46:25,881 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 15:46:25,882 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 15:46:25,882 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 15:46:25,882 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 15:46:25,882 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 15:46:25,882 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 15:46:25,882 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 15:46:25,919 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states. [2020-10-28 15:46:25,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-28 15:46:25,933 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:46:25,935 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 15:46:25,935 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]=== [2020-10-28 15:46:25,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:46:25,942 INFO L82 PathProgramCache]: Analyzing trace with hash 508654587, now seen corresponding path program 1 times [2020-10-28 15:46:25,951 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:46:25,952 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [263877694] [2020-10-28 15:46:25,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:46:26,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:46:26,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:26,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:27,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:29,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:29,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:30,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:31,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:46:31,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-28 15:46:31,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:46:31,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5075 [2020-10-28 15:46:31,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:46:31,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:46:31,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-28 15:46:31,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-28 15:46:31,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-28 15:46:31,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 15:46:32,761 WARN L193 SmtUtils]: Spent 925.00 ms on a formula simplification that was a NOOP. DAG size: 406 [2020-10-28 15:46:32,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:46:32,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:46:32,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:32,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:46:32,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:46:32,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:46:32,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-28 15:46:32,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:46:32,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:46:32,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:46:32,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:46:32,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:46:32,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:46:32,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:46:32,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:46:32,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:32,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:46:32,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:46:32,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:46:32,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:46:32,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:46:32,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:46:32,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:46:32,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:46:32,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:46:32,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:46:32,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:46:32,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:46:32,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:32,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:46:32,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:46:32,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:46:32,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 15:46:32,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:46:32,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:46:32,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:46:32,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:46:32,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:46:32,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:46:32,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:46:32,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:46:32,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:32,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:46:32,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:46:32,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:46:32,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:46:32,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:46:32,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:46:32,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:46:32,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:46:32,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:46:32,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:46:32,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:46:32,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:46:32,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:32,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:46:32,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:46:32,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:46:32,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:46:32,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:46:32,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:46:32,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:46:32,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:46:32,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:46:32,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:46:33,182 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-28 15:46:33,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 15:46:33,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:46:33,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:33,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:46:33,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 15:46:33,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:46:33,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-28 15:46:33,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:46:33,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:46:33,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:46:33,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:46:33,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 15:46:33,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:46:33,399 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:46:33,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:46:33,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:46:33,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:33,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:46:33,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:46:33,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:46:33,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 15:46:33,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:46:33,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:46:33,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:46:33,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:46:33,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:46:33,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:46:33,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 15:46:33,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:46:33,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:33,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:33,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:33,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:46:33,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 15:46:33,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 15:46:33,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 446 [2020-10-28 15:46:33,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:46:33,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:46:33,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:46:33,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:46:33,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-28 15:46:33,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:46:33,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:46:33,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:46:33,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:33,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:46:33,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:46:33,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:46:33,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:46:33,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:46:33,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:46:33,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:46:33,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:46:33,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:46:33,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:46:33,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:46:33,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:46:33,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:33,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:46:33,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:46:33,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:46:33,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 15:46:33,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:46:33,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:46:33,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:46:33,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:46:33,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:46:33,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:46:34,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 15:46:34,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:46:34,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:34,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:46:34,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:46:34,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:46:34,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:46:34,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:46:34,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:46:34,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:46:34,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:46:34,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:46:34,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:46:34,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 15:46:34,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:46:34,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:34,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:34,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:34,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:34,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:46:34,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 15:46:34,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:46:34,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 167 [2020-10-28 15:46:34,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:46:34,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:46:34,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 15:46:34,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 15:46:34,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-28 15:46:34,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:46:34,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:46:34,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:46:34,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:34,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:46:34,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:46:34,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:46:34,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 15:46:34,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:46:34,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:46:34,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:46:34,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:46:34,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:46:34,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 15:46:34,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:46:34,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:46:34,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:34,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:46:34,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:46:34,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:46:34,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 15:46:34,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:46:34,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:46:34,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:46:34,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:46:34,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:46:34,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:46:34,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-28 15:46:34,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:46:34,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:34,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:46:34,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:46:34,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:46:34,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:46:34,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:46:34,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:46:34,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:46:34,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:46:34,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:46:34,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:46:34,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 15:46:34,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:46:34,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:34,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:46:34,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:46:34,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:46:34,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:46:34,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:46:34,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:46:34,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:46:34,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:46:34,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:46:34,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:46:34,422 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 15:46:34,424 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [263877694] [2020-10-28 15:46:34,426 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:46:34,426 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-28 15:46:34,427 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38939638] [2020-10-28 15:46:34,433 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 15:46:34,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:46:34,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 15:46:34,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-10-28 15:46:34,452 INFO L87 Difference]: Start difference. First operand 860 states. Second operand 12 states. [2020-10-28 15:46:36,789 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-28 15:46:37,450 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 15:46:38,674 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-28 15:46:40,707 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-28 15:46:41,989 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-28 15:46:42,281 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-10-28 15:46:42,536 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-10-28 15:46:44,358 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-28 15:46:51,238 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 15:46:51,672 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 15:46:53,264 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-28 15:46:53,521 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-28 15:46:53,746 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-28 15:46:54,746 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-10-28 15:46:55,507 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-28 15:46:56,396 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 15:46:57,999 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-28 15:46:58,327 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-10-28 15:47:01,630 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-28 15:47:02,639 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 15:47:05,170 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-28 15:47:59,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:47:59,936 INFO L93 Difference]: Finished difference Result 3568 states and 6377 transitions. [2020-10-28 15:47:59,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-10-28 15:47:59,938 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 94 [2020-10-28 15:47:59,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:48:00,011 INFO L225 Difference]: With dead ends: 3568 [2020-10-28 15:48:00,011 INFO L226 Difference]: Without dead ends: 2843 [2020-10-28 15:48:00,025 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 413 ImplicationChecksByTransitivity, 10.9s TimeCoverageRelationStatistics Valid=310, Invalid=1250, Unknown=0, NotChecked=0, Total=1560 [2020-10-28 15:48:00,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2843 states. [2020-10-28 15:48:00,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2843 to 2317. [2020-10-28 15:48:00,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2317 states. [2020-10-28 15:48:00,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2317 states to 2317 states and 3911 transitions. [2020-10-28 15:48:00,905 INFO L78 Accepts]: Start accepts. Automaton has 2317 states and 3911 transitions. Word has length 94 [2020-10-28 15:48:00,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:48:00,906 INFO L481 AbstractCegarLoop]: Abstraction has 2317 states and 3911 transitions. [2020-10-28 15:48:00,907 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 15:48:00,907 INFO L276 IsEmpty]: Start isEmpty. Operand 2317 states and 3911 transitions. [2020-10-28 15:48:00,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-28 15:48:00,912 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:48:00,912 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 15:48:00,913 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 15:48:00,913 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]=== [2020-10-28 15:48:00,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:48:00,914 INFO L82 PathProgramCache]: Analyzing trace with hash -1194332421, now seen corresponding path program 1 times [2020-10-28 15:48:00,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:48:00,914 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1559154369] [2020-10-28 15:48:00,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:48:01,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:01,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:01,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:02,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:02,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:05,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:06,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:06,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-28 15:48:06,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 15:48:06,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-10-28 15:48:06,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:06,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:06,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:48:06,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-28 15:48:06,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-28 15:48:06,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:48:07,230 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-28 15:48:07,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:48:07,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:07,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:07,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:07,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:48:07,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:48:07,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-28 15:48:07,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:07,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:07,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:48:07,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:48:07,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:48:07,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:48:07,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:48:07,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:07,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:07,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:07,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:48:07,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:48:07,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:48:07,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:07,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:07,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:48:07,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:48:07,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:48:07,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:48:07,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:48:07,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:07,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:07,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:07,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:48:07,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:48:07,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:48:07,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:07,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:07,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:48:07,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:48:07,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:48:07,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:48:07,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:48:07,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:07,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:07,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:07,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:48:07,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:48:07,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 15:48:07,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:07,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:07,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:48:07,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:48:07,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:48:07,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:48:07,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:48:07,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:07,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:07,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:07,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:48:07,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:48:07,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:48:07,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:07,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:07,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:48:07,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:48:07,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:48:07,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:48:07,621 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-28 15:48:07,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 15:48:07,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:07,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:07,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:07,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 15:48:07,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:48:07,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 15:48:07,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:07,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:07,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:48:07,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:48:07,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:48:07,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:48:07,776 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:48:07,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:48:07,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:07,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:07,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:07,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:48:07,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:48:07,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 15:48:07,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:07,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:07,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:48:07,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:48:07,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:48:07,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:48:07,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 15:48:07,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:07,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:07,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:07,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:08,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:08,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 15:48:08,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 15:48:08,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 285 [2020-10-28 15:48:08,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:08,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:08,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:48:08,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:48:08,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:48:08,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:48:08,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:48:08,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:08,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:08,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:08,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:48:08,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:48:08,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:48:08,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:08,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:08,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:48:08,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:48:08,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:48:08,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:48:08,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:48:08,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:08,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:08,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:08,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:48:08,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:48:08,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 15:48:08,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:08,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:08,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:48:08,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:48:08,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:48:08,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:48:08,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 15:48:08,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:08,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:08,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:08,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:48:08,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:48:08,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:48:08,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:08,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:08,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:48:08,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:48:08,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:48:08,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:48:08,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 15:48:08,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:08,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:08,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:08,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 15:48:08,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:48:08,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 15:48:08,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:08,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:08,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:48:08,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:48:08,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 15:48:08,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:48:08,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:48:08,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:08,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:08,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:08,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:48:08,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:48:08,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:48:08,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:08,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:08,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:48:08,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:48:08,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:48:08,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:48:08,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:48:08,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:08,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:08,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:08,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:48:08,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:48:08,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:48:08,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:08,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:08,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:48:08,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:48:08,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:48:08,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:48:08,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-28 15:48:08,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:08,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:08,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:08,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:48:08,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:48:08,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:48:08,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:08,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:08,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:48:08,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:48:08,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:48:08,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:48:08,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 15:48:08,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:08,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:08,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:08,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:48:08,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:48:08,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:48:08,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:08,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:08,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:48:08,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:48:08,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:48:08,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:48:08,288 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 15:48:08,289 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1559154369] [2020-10-28 15:48:08,289 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:48:08,289 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 15:48:08,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400325080] [2020-10-28 15:48:08,291 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 15:48:08,292 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:48:08,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 15:48:08,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-28 15:48:08,293 INFO L87 Difference]: Start difference. First operand 2317 states and 3911 transitions. Second operand 8 states. [2020-10-28 15:48:10,354 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-28 15:48:10,725 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-28 15:48:11,532 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-28 15:48:13,062 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-28 15:48:13,906 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 15:48:16,101 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-28 15:48:21,021 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 15:48:48,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:48:48,565 INFO L93 Difference]: Finished difference Result 7790 states and 14292 transitions. [2020-10-28 15:48:48,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-28 15:48:48,566 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 94 [2020-10-28 15:48:48,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:48:48,621 INFO L225 Difference]: With dead ends: 7790 [2020-10-28 15:48:48,621 INFO L226 Difference]: Without dead ends: 5507 [2020-10-28 15:48:48,643 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2020-10-28 15:48:48,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5507 states. [2020-10-28 15:48:49,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5507 to 4310. [2020-10-28 15:48:49,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4310 states. [2020-10-28 15:48:49,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4310 states to 4310 states and 7326 transitions. [2020-10-28 15:48:49,831 INFO L78 Accepts]: Start accepts. Automaton has 4310 states and 7326 transitions. Word has length 94 [2020-10-28 15:48:49,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:48:49,834 INFO L481 AbstractCegarLoop]: Abstraction has 4310 states and 7326 transitions. [2020-10-28 15:48:49,834 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 15:48:49,834 INFO L276 IsEmpty]: Start isEmpty. Operand 4310 states and 7326 transitions. [2020-10-28 15:48:49,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-28 15:48:49,841 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:48:49,842 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 15:48:49,842 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 15:48:49,842 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:48:49,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:48:49,843 INFO L82 PathProgramCache]: Analyzing trace with hash -2052301860, now seen corresponding path program 1 times [2020-10-28 15:48:49,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:48:49,843 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1791724907] [2020-10-28 15:48:49,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:48:49,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:49,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:50,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:51,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:52,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:53,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:54,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:54,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-28 15:48:54,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 15:48:54,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-10-28 15:48:54,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:54,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:54,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:48:54,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-28 15:48:54,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-28 15:48:54,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:48:56,284 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-28 15:48:56,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:48:56,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:56,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:56,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:56,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:48:56,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:48:56,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-28 15:48:56,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:56,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:56,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:48:56,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:48:56,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:48:56,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:48:56,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:48:56,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:56,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:56,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:56,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:48:56,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:48:56,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:48:56,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:56,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:56,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:48:56,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:48:56,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:48:56,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:48:56,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:48:56,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:56,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:56,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:56,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:48:56,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:48:56,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:48:56,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:56,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:56,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:48:56,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:48:56,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:48:56,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:48:56,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:48:56,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:56,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:56,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:56,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:48:56,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:48:56,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:48:56,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:56,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:56,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:48:56,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:48:56,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:48:56,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:48:56,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:48:56,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:56,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:56,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:56,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:48:56,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:48:56,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:48:56,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:56,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:56,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:48:56,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:48:56,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:48:56,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:48:56,588 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-28 15:48:56,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 15:48:56,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:56,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:56,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:56,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 15:48:56,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:48:56,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 15:48:56,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:56,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:56,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:48:56,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:48:56,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:48:56,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:48:56,755 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:48:56,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:48:56,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:56,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:56,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:56,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:48:56,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:48:56,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 15:48:56,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:56,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:56,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:48:56,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:48:56,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:48:56,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:48:56,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 15:48:56,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:56,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:56,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:56,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:56,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:56,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 15:48:56,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 15:48:56,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 168 [2020-10-28 15:48:56,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:56,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:56,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:48:56,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:48:56,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:48:56,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:48:56,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:48:56,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:56,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:56,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:56,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:48:56,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:48:56,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:48:56,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:56,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:56,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:48:56,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:48:56,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:48:56,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:48:56,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:48:56,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:56,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:56,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:56,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:48:56,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:48:56,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 15:48:56,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:56,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:56,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:48:56,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:48:56,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:48:56,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:48:57,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 15:48:57,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:57,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:57,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:57,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:48:57,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:48:57,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:48:57,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:57,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:57,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:48:57,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:48:57,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:48:57,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:48:57,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 15:48:57,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:57,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:57,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:57,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 15:48:57,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:48:57,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 15:48:57,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:57,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:57,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:48:57,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:48:57,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 15:48:57,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:48:57,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:48:57,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:57,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:57,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:57,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:48:57,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:48:57,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:48:57,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:57,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:57,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:48:57,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:48:57,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:48:57,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:48:57,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:48:57,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:57,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:57,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:57,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:48:57,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:48:57,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:48:57,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:57,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:57,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:48:57,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:48:57,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:48:57,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:48:57,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-28 15:48:57,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:57,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:57,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:57,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:48:57,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:48:57,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:48:57,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:57,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:57,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:48:57,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:48:57,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:48:57,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:48:57,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-28 15:48:57,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:57,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:57,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:57,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:48:57,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:48:57,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:48:57,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:57,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:57,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:48:57,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:48:57,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:48:57,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:48:57,119 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 15:48:57,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1791724907] [2020-10-28 15:48:57,120 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:48:57,120 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 15:48:57,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198547328] [2020-10-28 15:48:57,122 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 15:48:57,123 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:48:57,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 15:48:57,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-28 15:48:57,124 INFO L87 Difference]: Start difference. First operand 4310 states and 7326 transitions. Second operand 8 states. [2020-10-28 15:48:59,355 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-28 15:48:59,732 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-28 15:49:00,866 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-28 15:49:01,985 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-28 15:49:06,629 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 15:49:08,562 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-28 15:49:10,013 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 15:49:46,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:49:46,291 INFO L93 Difference]: Finished difference Result 10631 states and 19066 transitions. [2020-10-28 15:49:46,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-28 15:49:46,292 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 95 [2020-10-28 15:49:46,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:49:46,346 INFO L225 Difference]: With dead ends: 10631 [2020-10-28 15:49:46,346 INFO L226 Difference]: Without dead ends: 6355 [2020-10-28 15:49:46,380 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2020-10-28 15:49:46,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6355 states. [2020-10-28 15:49:47,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6355 to 4881. [2020-10-28 15:49:47,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4881 states. [2020-10-28 15:49:47,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4881 states to 4881 states and 8211 transitions. [2020-10-28 15:49:47,946 INFO L78 Accepts]: Start accepts. Automaton has 4881 states and 8211 transitions. Word has length 95 [2020-10-28 15:49:47,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:49:47,949 INFO L481 AbstractCegarLoop]: Abstraction has 4881 states and 8211 transitions. [2020-10-28 15:49:47,949 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 15:49:47,949 INFO L276 IsEmpty]: Start isEmpty. Operand 4881 states and 8211 transitions. [2020-10-28 15:49:47,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-28 15:49:47,955 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:49:47,955 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 15:49:47,955 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 15:49:47,955 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:49:47,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:49:47,956 INFO L82 PathProgramCache]: Analyzing trace with hash -431775262, now seen corresponding path program 1 times [2020-10-28 15:49:47,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:49:47,957 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [857647321] [2020-10-28 15:49:47,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:49:48,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:48,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:48,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:48,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:51,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:53,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:53,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-28 15:49:53,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:49:53,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-28 15:49:53,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:53,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:53,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-28 15:49:53,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-28 15:49:53,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 15:49:53,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:54,272 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-28 15:49:54,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:49:54,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:54,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:54,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:54,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:49:54,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:49:54,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-28 15:49:54,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:54,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:54,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:49:54,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:49:54,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:49:54,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:54,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:49:54,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:54,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:54,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:54,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:49:54,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:49:54,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:49:54,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:54,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:54,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:49:54,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:49:54,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:49:54,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:54,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:49:54,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:54,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:54,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:54,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:49:54,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:49:54,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:49:54,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:54,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:54,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:49:54,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:49:54,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:49:54,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:54,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:49:54,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:54,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:54,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:54,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:49:54,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:49:54,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:49:54,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:54,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:54,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:49:54,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:49:54,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:49:54,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:54,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:49:54,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:54,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:54,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:54,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:49:54,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:49:54,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:49:54,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:54,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:54,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:49:54,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:49:54,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:49:54,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:54,547 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-28 15:49:54,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 15:49:54,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:54,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:54,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:54,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 15:49:54,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:49:54,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 15:49:54,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:54,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:54,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:49:54,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:49:54,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 15:49:54,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:54,711 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:49:54,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:49:54,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:54,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:54,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:54,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:49:54,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:49:54,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 15:49:54,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:54,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:54,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:49:54,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:49:54,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:49:54,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:54,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 15:49:54,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:54,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:54,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:54,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:54,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:54,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 15:49:54,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 15:49:54,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 194 [2020-10-28 15:49:54,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:54,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:54,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:49:54,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:49:54,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-28 15:49:54,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:54,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:49:54,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:54,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:54,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:54,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:49:54,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:49:54,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:49:54,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:54,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:54,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:49:54,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:49:54,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:49:54,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:54,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:49:54,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:54,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:54,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:54,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:49:54,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:49:54,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 15:49:54,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:54,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:54,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:49:54,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:49:54,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:49:54,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:54,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 15:49:54,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:54,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:55,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:55,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:49:55,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:49:55,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:49:55,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:55,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:55,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:49:55,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:49:55,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:49:55,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:55,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 15:49:55,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:55,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:55,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:55,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 15:49:55,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:49:55,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 15:49:55,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:55,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:55,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 15:49:55,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-28 15:49:55,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 15:49:55,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:55,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:49:55,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:55,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:55,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:55,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:49:55,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:49:55,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:49:55,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:55,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:55,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:49:55,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:49:55,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:49:55,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:55,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:49:55,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:55,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:55,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:55,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:49:55,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:49:55,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:49:55,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:55,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:55,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:49:55,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:49:55,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:49:55,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:55,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 15:49:55,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:55,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:55,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:55,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:49:55,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:49:55,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:49:55,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:55,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:55,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:49:55,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:49:55,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:49:55,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:55,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-28 15:49:55,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:55,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:55,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:55,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:49:55,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:49:55,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:49:55,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:55,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:55,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:49:55,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:49:55,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:49:55,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:55,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-28 15:49:55,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:55,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:55,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:55,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:49:55,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:49:55,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:49:55,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:55,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:55,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:49:55,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:49:55,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:49:55,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:55,238 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 15:49:55,239 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [857647321] [2020-10-28 15:49:55,239 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:49:55,239 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-28 15:49:55,239 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703046851] [2020-10-28 15:49:55,240 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 15:49:55,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:49:55,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 15:49:55,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-10-28 15:49:55,241 INFO L87 Difference]: Start difference. First operand 4881 states and 8211 transitions. Second operand 12 states. [2020-10-28 15:49:57,732 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-28 15:49:58,204 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 15:50:00,115 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-28 15:50:01,494 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-28 15:50:01,810 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-10-28 15:50:02,327 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 150 [2020-10-28 15:50:03,676 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 150