/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/elevator_spec1_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 20:50:02,254 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 20:50:02,257 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 20:50:02,294 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 20:50:02,295 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 20:50:02,296 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 20:50:02,298 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 20:50:02,300 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 20:50:02,302 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 20:50:02,303 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 20:50:02,304 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 20:50:02,306 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 20:50:02,306 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 20:50:02,308 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 20:50:02,309 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 20:50:02,310 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 20:50:02,311 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 20:50:02,312 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 20:50:02,315 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 20:50:02,317 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 20:50:02,319 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 20:50:02,320 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 20:50:02,322 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 20:50:02,323 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 20:50:02,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 20:50:02,327 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 20:50:02,327 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 20:50:02,328 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 20:50:02,329 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 20:50:02,330 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 20:50:02,331 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 20:50:02,332 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 20:50:02,332 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 20:50:02,333 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 20:50:02,335 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 20:50:02,335 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 20:50:02,336 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 20:50:02,337 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 20:50:02,337 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 20:50:02,338 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 20:50:02,339 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 20:50:02,343 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 20:50:02,399 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 20:50:02,400 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 20:50:02,401 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 20:50:02,402 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 20:50:02,404 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 20:50:02,404 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 20:50:02,404 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 20:50:02,405 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 20:50:02,405 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 20:50:02,405 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 20:50:02,406 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 20:50:02,406 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 20:50:02,406 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 20:50:02,406 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 20:50:02,407 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 20:50:02,408 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 20:50:02,408 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 20:50:02,409 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 20:50:02,409 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 20:50:02,409 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 20:50:02,409 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 20:50:02,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 20:50:02,410 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 20:50:02,424 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 20:50:02,424 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 20:50:02,424 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 20:50:02,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 20:50:02,425 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 20:50:02,425 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 20:50:02,431 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 20:50:02,859 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 20:50:02,891 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 20:50:02,896 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 20:50:02,897 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 20:50:02,898 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 20:50:02,899 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec1_product20.cil.c [2020-10-27 20:50:02,980 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/550aad0e9/035d125c94764063afbd65b792a12523/FLAG08c2e8448 [2020-10-27 20:50:03,687 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 20:50:03,688 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec1_product20.cil.c [2020-10-27 20:50:03,708 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/550aad0e9/035d125c94764063afbd65b792a12523/FLAG08c2e8448 [2020-10-27 20:50:03,849 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/550aad0e9/035d125c94764063afbd65b792a12523 [2020-10-27 20:50:03,852 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 20:50:03,858 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 20:50:03,860 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 20:50:03,860 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 20:50:03,864 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 20:50:03,864 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:50:03" (1/1) ... [2020-10-27 20:50:03,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a8d684c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:50:03, skipping insertion in model container [2020-10-27 20:50:03,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:50:03" (1/1) ... [2020-10-27 20:50:03,876 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 20:50:03,960 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 20:50:04,506 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 20:50:04,553 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 20:50:04,727 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 20:50:04,807 INFO L208 MainTranslator]: Completed translation [2020-10-27 20:50:04,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:50:04 WrapperNode [2020-10-27 20:50:04,808 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 20:50:04,809 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 20:50:04,809 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 20:50:04,810 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 20:50:04,822 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:50:04" (1/1) ... [2020-10-27 20:50:04,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:50:04" (1/1) ... [2020-10-27 20:50:04,864 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:50:04" (1/1) ... [2020-10-27 20:50:04,865 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:50:04" (1/1) ... [2020-10-27 20:50:04,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:50:04" (1/1) ... [2020-10-27 20:50:05,016 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:50:04" (1/1) ... [2020-10-27 20:50:05,035 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:50:04" (1/1) ... [2020-10-27 20:50:05,067 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 20:50:05,068 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 20:50:05,069 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 20:50:05,069 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 20:50:05,070 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:50:04" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 20:50:05,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 20:50:05,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 20:50:05,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 20:50:05,157 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 20:50:05,157 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-27 20:50:05,158 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-27 20:50:05,158 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-27 20:50:05,158 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-27 20:50:05,158 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-27 20:50:05,159 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-27 20:50:05,160 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-27 20:50:05,160 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-27 20:50:05,160 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-27 20:50:05,160 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-27 20:50:05,160 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-27 20:50:05,161 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-27 20:50:05,161 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-27 20:50:05,162 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-27 20:50:05,162 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-27 20:50:05,162 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-27 20:50:05,162 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2020-10-27 20:50:05,162 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-27 20:50:05,162 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-27 20:50:05,162 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-27 20:50:05,162 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-27 20:50:05,163 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-27 20:50:05,163 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-27 20:50:05,163 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-27 20:50:05,163 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2020-10-27 20:50:05,163 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 20:50:05,163 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2020-10-27 20:50:05,163 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-27 20:50:05,164 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-27 20:50:05,164 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-27 20:50:05,164 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-27 20:50:05,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 20:50:05,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 20:50:05,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 20:50:05,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 20:50:05,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 20:50:05,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 20:50:05,165 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 20:50:05,165 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 20:50:05,165 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 20:50:05,166 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 20:50:05,166 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 20:50:05,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 20:50:05,166 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-27 20:50:05,166 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-27 20:50:05,166 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-27 20:50:05,166 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-27 20:50:05,167 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-27 20:50:05,167 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-27 20:50:05,168 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-27 20:50:05,168 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-27 20:50:05,168 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-27 20:50:05,168 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-27 20:50:05,168 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-27 20:50:05,168 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-27 20:50:05,169 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-27 20:50:05,169 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-27 20:50:05,169 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-27 20:50:05,169 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-27 20:50:05,169 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-27 20:50:05,169 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-27 20:50:05,170 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 20:50:05,170 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-27 20:50:05,170 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-27 20:50:05,170 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-27 20:50:05,170 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 20:50:05,171 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-27 20:50:05,171 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 20:50:05,172 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 20:50:05,173 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 20:50:05,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-27 20:50:05,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__2 [2020-10-27 20:50:05,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__3 [2020-10-27 20:50:05,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__4 [2020-10-27 20:50:05,174 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-27 20:50:05,174 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-27 20:50:05,174 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-27 20:50:05,174 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 20:50:05,174 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 20:50:05,175 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 20:50:05,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 20:50:05,176 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 20:50:05,176 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 20:50:05,176 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-27 20:50:05,176 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-27 20:50:05,176 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-27 20:50:05,176 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-27 20:50:05,176 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-27 20:50:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-27 20:50:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-27 20:50:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-27 20:50:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-27 20:50:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 20:50:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-27 20:50:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-27 20:50:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-27 20:50:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-27 20:50:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-27 20:50:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-27 20:50:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-27 20:50:05,179 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-27 20:50:05,179 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-27 20:50:05,179 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-27 20:50:05,179 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-27 20:50:05,179 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-27 20:50:05,180 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-27 20:50:05,180 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-27 20:50:05,180 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-27 20:50:05,180 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-27 20:50:05,181 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-27 20:50:05,181 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-27 20:50:05,181 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-27 20:50:05,182 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2020-10-27 20:50:05,182 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-27 20:50:05,183 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-27 20:50:05,183 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-27 20:50:05,183 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-27 20:50:05,183 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-27 20:50:05,183 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-27 20:50:05,184 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2020-10-27 20:50:05,184 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__3 [2020-10-27 20:50:05,184 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2020-10-27 20:50:05,184 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-27 20:50:05,184 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 20:50:05,184 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 20:50:05,185 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 20:50:05,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 20:50:05,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 20:50:05,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 20:50:05,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 20:50:05,190 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 20:50:05,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 20:50:05,190 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 20:50:05,191 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 20:50:05,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 20:50:05,193 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 20:50:05,193 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 20:50:05,193 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 20:50:05,193 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-27 20:50:05,198 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-27 20:50:05,199 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 20:50:05,199 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 20:50:05,199 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 20:50:05,199 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 20:50:05,199 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 20:50:05,199 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 20:50:05,199 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 20:50:05,200 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-27 20:50:05,200 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-27 20:50:05,200 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-27 20:50:05,200 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-27 20:50:05,200 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-27 20:50:05,200 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__2 [2020-10-27 20:50:05,200 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 20:50:05,200 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-27 20:50:05,200 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-27 20:50:05,201 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-27 20:50:05,201 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-27 20:50:05,201 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-27 20:50:05,201 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-27 20:50:05,202 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-27 20:50:05,202 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-27 20:50:05,202 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-27 20:50:05,202 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 20:50:05,202 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-27 20:50:05,202 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 20:50:05,202 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-27 20:50:05,202 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__4 [2020-10-27 20:50:05,202 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 20:50:05,203 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 20:50:05,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 20:50:05,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 20:50:05,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 20:50:07,884 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 20:50:07,885 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-27 20:50:07,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:50:07 BoogieIcfgContainer [2020-10-27 20:50:07,891 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 20:50:07,893 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 20:50:07,893 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 20:50:07,897 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 20:50:07,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 08:50:03" (1/3) ... [2020-10-27 20:50:07,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61d2085f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:50:07, skipping insertion in model container [2020-10-27 20:50:07,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:50:04" (2/3) ... [2020-10-27 20:50:07,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61d2085f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:50:07, skipping insertion in model container [2020-10-27 20:50:07,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:50:07" (3/3) ... [2020-10-27 20:50:07,900 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product20.cil.c [2020-10-27 20:50:07,911 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 20:50:07,917 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 20:50:07,930 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 20:50:07,961 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 20:50:07,962 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 20:50:07,962 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 20:50:07,962 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 20:50:07,962 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 20:50:07,962 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 20:50:07,962 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 20:50:07,963 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 20:50:08,005 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states. [2020-10-27 20:50:08,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-27 20:50:08,021 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:50:08,022 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:50:08,023 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:50:08,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:50:08,029 INFO L82 PathProgramCache]: Analyzing trace with hash 51883874, now seen corresponding path program 1 times [2020-10-27 20:50:08,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:50:08,039 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1082640188] [2020-10-27 20:50:08,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:50:08,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:08,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:08,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:09,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:09,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:10,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:10,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:11,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:13,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:13,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-27 20:50:13,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 20:50:13,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5062 [2020-10-27 20:50:13,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:13,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:50:13,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-27 20:50:13,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:50:13,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 20:50:15,029 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:50:15,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:50:15,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:15,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:15,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:15,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:50:15,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:15,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-27 20:50:15,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:15,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:15,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:15,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:15,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:15,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:50:15,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:15,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:15,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:15,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:50:15,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:15,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:50:15,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:15,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:15,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:15,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:15,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:15,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:50:15,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:15,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:15,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:15,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:50:15,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:15,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:50:15,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:15,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:15,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:15,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:15,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:15,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:50:15,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:15,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:15,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:15,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:50:15,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:15,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:50:15,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:15,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:15,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:15,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:15,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:15,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:50:15,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:15,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:15,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:15,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:50:15,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:15,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:50:15,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:15,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:15,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:15,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:15,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:15,329 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2020-10-27 20:50:15,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 20:50:15,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:15,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:15,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:15,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:50:15,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:15,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:50:15,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:15,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:15,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:15,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:15,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:15,621 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 20:50:15,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:50:15,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:15,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:15,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:15,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:15,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:15,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:15,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:16,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:16,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:16,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:16,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:20,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:20,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-27 20:50:20,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 20:50:20,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-27 20:50:20,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:20,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:50:20,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-27 20:50:20,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:50:20,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:20,881 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 20:50:20,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:50:20,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:20,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:20,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:20,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:20,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:20,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:21,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:21,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:21,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 20:50:21,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:50:21,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 831 [2020-10-27 20:50:21,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:21,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:50:21,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 20:50:21,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:50:21,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:21,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:50:21,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:21,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:21,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:21,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:21,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:50:21,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:50:21,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:50:21,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:21,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:50:21,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:50:21,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:50:21,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:21,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 20:50:21,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:21,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:21,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:21,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 20:50:21,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:21,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-27 20:50:21,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:21,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:50:21,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:50:21,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 20:50:21,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:21,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 20:50:21,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:21,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:21,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:21,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:50:21,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:21,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 20:50:21,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:21,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:50:21,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:21,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 20:50:21,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:21,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:50:21,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:21,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:21,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:21,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:50:21,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:21,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:50:21,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:21,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:21,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:21,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:21,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:21,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:50:21,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:21,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:21,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:21,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:22,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:22,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:22,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:22,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 20:50:22,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 20:50:22,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 954 [2020-10-27 20:50:22,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:22,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:50:22,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 20:50:22,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:50:22,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:22,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:50:22,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:22,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:22,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:22,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:22,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:50:22,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:50:22,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:50:22,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:22,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:50:22,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:50:22,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:50:22,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:22,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 20:50:22,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:22,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:23,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:23,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 20:50:23,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:23,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-27 20:50:23,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:23,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:50:23,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:50:23,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 20:50:23,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:23,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 20:50:23,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:23,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:23,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:23,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:50:23,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:23,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 20:50:23,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:23,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:50:23,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:23,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 20:50:23,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:23,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:50:23,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:23,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:23,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:23,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:50:23,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:23,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:50:23,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:23,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:23,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:23,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:23,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:23,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 20:50:23,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:23,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:23,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:23,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:23,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-27 20:50:23,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:50:23,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-27 20:50:23,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:23,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:23,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-27 20:50:23,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:23,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:50:23,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:50:23,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:23,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:23,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:23,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 20:50:23,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:23,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 20:50:23,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:23,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:23,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:23,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:23,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:23,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:50:23,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:23,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:23,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:23,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:50:23,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:23,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:50:23,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:23,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:23,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:23,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:23,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:23,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:50:23,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:23,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:23,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:23,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 20:50:23,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:23,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:50:23,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:23,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:23,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:23,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:23,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:23,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:50:23,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:23,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:23,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:23,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:50:23,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:23,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:50:23,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:23,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:23,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:23,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:23,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:23,335 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-27 20:50:23,336 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1082640188] [2020-10-27 20:50:23,338 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:50:23,338 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 20:50:23,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811315380] [2020-10-27 20:50:23,344 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 20:50:23,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:50:23,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 20:50:23,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-27 20:50:23,360 INFO L87 Difference]: Start difference. First operand 791 states. Second operand 13 states. [2020-10-27 20:50:25,680 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 20:50:26,879 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 20:50:28,300 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 20:50:52,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:50:52,133 INFO L93 Difference]: Finished difference Result 1529 states and 2561 transitions. [2020-10-27 20:50:52,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 20:50:52,136 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 117 [2020-10-27 20:50:52,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:50:52,167 INFO L225 Difference]: With dead ends: 1529 [2020-10-27 20:50:52,167 INFO L226 Difference]: Without dead ends: 897 [2020-10-27 20:50:52,185 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=103, Invalid=317, Unknown=0, NotChecked=0, Total=420 [2020-10-27 20:50:52,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 897 states. [2020-10-27 20:50:52,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 897 to 627. [2020-10-27 20:50:52,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 627 states. [2020-10-27 20:50:52,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 991 transitions. [2020-10-27 20:50:52,500 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 991 transitions. Word has length 117 [2020-10-27 20:50:52,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:50:52,501 INFO L481 AbstractCegarLoop]: Abstraction has 627 states and 991 transitions. [2020-10-27 20:50:52,501 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 20:50:52,501 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 991 transitions. [2020-10-27 20:50:52,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-27 20:50:52,510 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:50:52,511 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:50:52,511 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 20:50:52,511 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:50:52,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:50:52,512 INFO L82 PathProgramCache]: Analyzing trace with hash -611102945, now seen corresponding path program 1 times [2020-10-27 20:50:52,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:50:52,512 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [78609575] [2020-10-27 20:50:52,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:50:52,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:52,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:52,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:52,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:53,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:53,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:53,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:54,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:57,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:57,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-27 20:50:57,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 20:50:57,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-27 20:50:57,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:57,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:50:57,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 99 [2020-10-27 20:50:57,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:50:57,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:58,871 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:50:58,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:50:58,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:58,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:58,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:58,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:50:58,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:58,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-27 20:50:58,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:58,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:58,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:58,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:58,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:58,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:50:58,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:58,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:58,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:58,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:50:58,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:58,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:50:58,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:58,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:58,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:58,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:58,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:58,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:50:58,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:58,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:58,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:58,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:50:58,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:58,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:50:58,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:58,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:58,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:58,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:58,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:58,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:50:58,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:58,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:58,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:58,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:50:58,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:58,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:50:58,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:58,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:58,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:58,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:58,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:58,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:50:58,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:58,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:58,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:58,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:50:58,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:58,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:50:58,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:58,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:58,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:58,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:58,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:58,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 20:50:58,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:58,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:58,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:58,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:50:58,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:58,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:50:58,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:58,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:58,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:58,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:58,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:59,208 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 20:50:59,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:50:59,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:59,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:59,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:59,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:59,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:59,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:59,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:59,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:01,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:01,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:01,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:04,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:04,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-27 20:51:04,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 20:51:04,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 20:51:04,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:04,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:51:04,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-27 20:51:04,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:51:04,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:04,422 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 20:51:04,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:51:04,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:04,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:04,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:04,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:04,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:04,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:04,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:05,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:05,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 20:51:05,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:51:05,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 821 [2020-10-27 20:51:05,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:05,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:51:05,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 20:51:05,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:51:05,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:05,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:05,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:05,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:05,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:05,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:05,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:51:05,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:51:05,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:51:05,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:05,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:51:05,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:51:05,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:51:05,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:05,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:51:05,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:05,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:05,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:05,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 20:51:05,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:05,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 20:51:05,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:05,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:51:05,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:51:05,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 20:51:05,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:51:05,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 20:51:05,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:05,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:05,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:05,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:51:05,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:05,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 20:51:05,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:05,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:51:05,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:05,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 20:51:05,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:05,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:05,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:05,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:05,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:05,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:51:05,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:05,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:51:05,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:05,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:05,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:05,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:05,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:05,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 20:51:05,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:05,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:05,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:05,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:05,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:05,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:06,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:06,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 20:51:06,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 20:51:06,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 678 [2020-10-27 20:51:06,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:06,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:51:06,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 20:51:06,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:51:06,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:06,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:06,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:06,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:06,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:06,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:06,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:51:06,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:51:06,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:51:06,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:06,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:51:06,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:51:06,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:51:06,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:06,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:51:06,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:06,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:06,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:06,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 20:51:06,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:06,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 20:51:06,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:06,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:51:06,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:51:06,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 20:51:06,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:06,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 20:51:06,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:06,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:06,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:06,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:51:06,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:06,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 20:51:06,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:06,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:51:06,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:06,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 20:51:06,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:06,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:06,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:06,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:06,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:06,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:51:06,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:06,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:51:06,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:06,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:06,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:06,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:06,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:06,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 20:51:06,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:06,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:06,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:06,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 20:51:06,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:06,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 20:51:06,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:06,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:06,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 20:51:06,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:06,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:06,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:06,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:06,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:06,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:06,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 20:51:06,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:06,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 20:51:06,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:06,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:06,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:06,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:06,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:06,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:06,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:06,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:06,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:06,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:51:06,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:06,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:51:06,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:06,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:06,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:06,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:06,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:06,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:51:06,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:06,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:06,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:06,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 20:51:06,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:06,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:51:06,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:06,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:06,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:06,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:06,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:06,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:06,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:06,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:06,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:06,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:51:06,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:06,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:51:06,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:06,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:06,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:06,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:06,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:06,445 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-27 20:51:06,445 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [78609575] [2020-10-27 20:51:06,445 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:51:06,446 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 20:51:06,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49392926] [2020-10-27 20:51:06,447 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 20:51:06,448 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:51:06,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 20:51:06,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-27 20:51:06,449 INFO L87 Difference]: Start difference. First operand 627 states and 991 transitions. Second operand 13 states. [2020-10-27 20:51:08,508 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 20:51:09,713 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 20:51:11,072 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 20:51:29,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:51:29,231 INFO L93 Difference]: Finished difference Result 1503 states and 2495 transitions. [2020-10-27 20:51:29,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 20:51:29,232 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 123 [2020-10-27 20:51:29,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:51:29,245 INFO L225 Difference]: With dead ends: 1503 [2020-10-27 20:51:29,245 INFO L226 Difference]: Without dead ends: 897 [2020-10-27 20:51:29,252 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=103, Invalid=317, Unknown=0, NotChecked=0, Total=420 [2020-10-27 20:51:29,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 897 states. [2020-10-27 20:51:29,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 897 to 627. [2020-10-27 20:51:29,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 627 states. [2020-10-27 20:51:29,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 985 transitions. [2020-10-27 20:51:29,456 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 985 transitions. Word has length 123 [2020-10-27 20:51:29,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:51:29,457 INFO L481 AbstractCegarLoop]: Abstraction has 627 states and 985 transitions. [2020-10-27 20:51:29,457 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 20:51:29,457 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 985 transitions. [2020-10-27 20:51:29,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-27 20:51:29,460 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:51:29,460 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:51:29,461 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 20:51:29,461 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:51:29,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:51:29,461 INFO L82 PathProgramCache]: Analyzing trace with hash -261213711, now seen corresponding path program 1 times [2020-10-27 20:51:29,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:51:29,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [180108577] [2020-10-27 20:51:29,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:51:29,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:29,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:29,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:29,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:29,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:30,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:30,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:34,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:34,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-27 20:51:34,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:51:34,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5040 [2020-10-27 20:51:34,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:34,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 20:51:34,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-27 20:51:34,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 20:51:34,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:35,788 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:51:35,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:51:35,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:35,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:35,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:35,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:51:35,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:35,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-27 20:51:35,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:35,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:35,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:35,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:35,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:35,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:51:35,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:35,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:35,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:35,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:51:35,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:35,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:51:35,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:35,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:35,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:35,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:35,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:35,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:51:35,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:35,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:35,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:35,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:51:35,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:35,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:51:35,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:35,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:35,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:35,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:35,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:35,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:51:35,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:35,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:35,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:35,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:51:35,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:35,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:51:35,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:35,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:35,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:35,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:35,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:35,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:51:35,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:35,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:35,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:35,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:51:35,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:35,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:51:35,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:35,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:35,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:35,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:35,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:35,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 20:51:35,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:35,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:35,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:35,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:51:35,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:35,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:51:35,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:35,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:35,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:35,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:35,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:36,132 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 20:51:36,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:51:36,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:36,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:36,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:36,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:36,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:36,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:36,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:36,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:36,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:41,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:41,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-27 20:51:41,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 20:51:41,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 20:51:41,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:41,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 20:51:41,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-27 20:51:41,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:51:41,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:41,402 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 20:51:41,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:51:41,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:41,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:41,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:41,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:41,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:41,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:41,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:42,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:42,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 20:51:42,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:51:42,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 615 [2020-10-27 20:51:42,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:42,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:51:42,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 20:51:42,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:51:42,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:42,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:42,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:42,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:42,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:42,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:42,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:51:42,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:51:42,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:51:42,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:42,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:51:42,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:51:42,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:51:42,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:42,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:51:42,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:42,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:42,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:42,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 20:51:42,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:42,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-27 20:51:42,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:42,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:51:42,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:51:42,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 20:51:42,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:51:42,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 20:51:42,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:42,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:42,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:42,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:51:42,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:42,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:51:42,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:42,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:51:42,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:42,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 20:51:42,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:42,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:42,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:42,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:42,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:42,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:51:42,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:42,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:51:42,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:42,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:42,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:42,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:42,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:42,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 20:51:42,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:42,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:42,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:42,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:42,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:42,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 20:51:42,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 20:51:42,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 337 [2020-10-27 20:51:42,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:42,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 20:51:42,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 20:51:42,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 20:51:42,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:42,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:42,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:42,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:42,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:42,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:51:42,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:42,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:51:42,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:42,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:51:42,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:42,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:51:42,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:42,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:51:42,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:42,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:42,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:42,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:42,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:42,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 20:51:42,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 20:51:42,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-10-27 20:51:42,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:42,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 20:51:42,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:51:42,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 20:51:42,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:42,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 20:51:42,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:42,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:42,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:43,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:43,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:51:43,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:51:43,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-27 20:51:43,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:43,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 20:51:43,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:43,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 20:51:43,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:43,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:43,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:43,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:43,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:43,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:51:43,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:43,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 20:51:43,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:43,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:51:43,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:43,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:51:43,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:43,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 20:51:43,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:43,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:43,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:43,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 20:51:43,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:43,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 20:51:43,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:43,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:43,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 20:51:43,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:43,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:43,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:43,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:43,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:43,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:43,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 20:51:43,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:43,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 20:51:43,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:43,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:43,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:43,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:43,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:43,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:43,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:43,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:43,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:43,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:51:43,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:43,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:51:43,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:43,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:43,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:43,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:43,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:43,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:51:43,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:43,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:43,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:43,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 20:51:43,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:43,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:51:43,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:43,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:43,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:43,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:43,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:43,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:43,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:43,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:43,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:43,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:51:43,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:43,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:51:43,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:43,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:43,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:43,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:43,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:43,366 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-27 20:51:43,367 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [180108577] [2020-10-27 20:51:43,367 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:51:43,367 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-27 20:51:43,367 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773035441] [2020-10-27 20:51:43,369 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-27 20:51:43,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:51:43,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-27 20:51:43,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2020-10-27 20:51:43,370 INFO L87 Difference]: Start difference. First operand 627 states and 985 transitions. Second operand 20 states. [2020-10-27 20:51:45,808 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 424 [2020-10-27 20:51:47,075 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 20:51:48,508 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 424 [2020-10-27 20:51:49,753 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 426 [2020-10-27 20:51:51,206 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 422 [2020-10-27 20:51:52,662 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 424 [2020-10-27 20:51:54,057 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 20:51:55,291 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 20:51:56,624 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 20:51:58,008 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 20:52:00,333 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 20:52:01,972 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 20:52:03,235 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 426 [2020-10-27 20:52:04,499 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 428 [2020-10-27 20:52:06,494 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 20:52:07,695 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 20:52:29,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:52:29,583 INFO L93 Difference]: Finished difference Result 1582 states and 2629 transitions. [2020-10-27 20:52:29,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-10-27 20:52:29,584 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 127 [2020-10-27 20:52:29,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:52:29,594 INFO L225 Difference]: With dead ends: 1582 [2020-10-27 20:52:29,594 INFO L226 Difference]: Without dead ends: 985 [2020-10-27 20:52:29,598 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 594 ImplicationChecksByTransitivity, 21.9s TimeCoverageRelationStatistics Valid=343, Invalid=2207, Unknown=0, NotChecked=0, Total=2550 [2020-10-27 20:52:29,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 985 states. [2020-10-27 20:52:29,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 985 to 696. [2020-10-27 20:52:29,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 696 states. [2020-10-27 20:52:29,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 1092 transitions. [2020-10-27 20:52:29,810 INFO L78 Accepts]: Start accepts. Automaton has 696 states and 1092 transitions. Word has length 127 [2020-10-27 20:52:29,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:52:29,810 INFO L481 AbstractCegarLoop]: Abstraction has 696 states and 1092 transitions. [2020-10-27 20:52:29,810 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-27 20:52:29,810 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 1092 transitions. [2020-10-27 20:52:29,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-27 20:52:29,813 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:52:29,814 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:52:29,814 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 20:52:29,814 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:52:29,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:52:29,815 INFO L82 PathProgramCache]: Analyzing trace with hash -389614339, now seen corresponding path program 1 times [2020-10-27 20:52:29,815 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:52:29,815 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1763260483] [2020-10-27 20:52:29,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:52:29,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:29,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:29,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:30,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:30,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:30,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:30,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:30,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:31,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:34,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:34,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-10-27 20:52:34,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 20:52:34,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-27 20:52:34,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:34,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:52:34,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 115 [2020-10-27 20:52:34,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:52:34,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:36,271 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:52:36,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:52:36,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:36,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:36,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:36,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:52:36,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:36,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 20:52:36,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:36,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:36,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:36,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:36,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:36,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:52:36,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:36,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:36,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:36,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:52:36,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:36,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:52:36,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:36,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:36,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:36,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:36,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:36,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:52:36,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:36,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:36,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:36,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:52:36,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:36,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:52:36,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:36,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:36,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:36,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:36,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:36,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:52:36,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:36,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:36,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:36,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:52:36,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:36,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:52:36,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:36,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:36,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:36,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:36,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:36,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:52:36,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:36,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:36,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:36,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:52:36,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:36,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:52:36,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:36,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:36,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:36,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:36,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:36,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 20:52:36,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:36,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:36,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:36,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:52:36,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:36,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:52:36,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:36,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:36,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:36,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:36,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:36,619 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 20:52:36,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:52:36,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:36,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:36,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:36,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:36,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:36,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:36,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:36,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:37,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:39,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:39,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:39,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:39,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:41,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:41,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-27 20:52:41,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-27 20:52:41,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-27 20:52:41,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:41,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:52:41,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-27 20:52:41,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:52:41,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:41,828 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 20:52:41,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:52:41,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:41,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:41,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:41,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:41,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:41,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:41,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:42,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:42,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 20:52:42,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:52:42,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 883 [2020-10-27 20:52:42,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:42,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:52:42,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 20:52:42,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:52:42,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:42,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:52:42,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:42,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:42,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:42,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:42,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 20:52:42,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:52:42,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:52:42,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:42,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:52:42,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:52:42,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:52:42,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:42,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 20:52:42,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:42,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:42,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:42,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 20:52:42,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:42,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 20:52:42,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:42,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:52:42,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:52:42,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 20:52:42,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:42,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:52:42,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:42,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:42,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:42,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:52:42,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:42,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:52:42,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:42,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:52:42,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:42,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 20:52:42,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:42,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:52:42,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:42,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:42,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:42,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:52:42,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:42,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:52:42,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:42,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:42,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:42,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:42,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:42,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 20:52:42,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:42,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:42,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:42,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:42,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:42,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:43,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:43,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:43,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:43,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 20:52:43,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 20:52:43,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 846 [2020-10-27 20:52:43,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:43,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:52:43,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 20:52:43,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:52:43,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:43,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:52:43,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:43,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:43,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:43,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:52:43,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:43,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:52:43,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:43,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:43,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:43,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:43,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:43,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:52:43,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:43,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:43,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:43,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:43,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:43,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:43,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 20:52:43,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 20:52:43,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-10-27 20:52:43,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:43,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:52:43,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:52:43,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:52:43,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:43,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:52:43,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:43,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:43,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:43,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:43,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 20:52:43,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:52:43,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 20:52:43,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:43,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:52:43,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:52:43,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:52:43,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:43,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:52:43,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:43,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:43,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:43,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:52:43,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:43,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 20:52:43,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:43,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:52:43,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:43,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:52:43,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:43,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 20:52:44,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:44,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:44,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:44,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 20:52:44,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:44,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 20:52:44,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:44,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:44,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 20:52:44,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:44,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:44,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:52:44,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:44,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:44,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:44,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 20:52:44,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:44,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 20:52:44,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:44,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:44,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:44,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:44,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:44,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:52:44,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:44,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:44,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:44,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:52:44,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:44,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:52:44,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:44,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:44,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:44,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:44,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:44,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:52:44,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:44,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:44,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:44,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 20:52:44,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:44,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:52:44,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:44,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:44,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:44,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:44,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:44,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:52:44,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:44,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:44,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:44,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:52:44,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:44,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:52:44,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:44,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:44,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:44,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:44,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:44,164 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-27 20:52:44,164 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1763260483] [2020-10-27 20:52:44,164 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:52:44,164 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-27 20:52:44,165 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102884681] [2020-10-27 20:52:44,165 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 20:52:44,165 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:52:44,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 20:52:44,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2020-10-27 20:52:44,166 INFO L87 Difference]: Start difference. First operand 696 states and 1092 transitions. Second operand 15 states. [2020-10-27 20:52:46,581 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 20:52:47,806 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 20:52:49,173 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 20:52:50,646 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 424 [2020-10-27 20:52:52,125 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 425 [2020-10-27 20:52:54,752 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 20:52:56,192 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 20:52:57,422 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 20:53:18,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:53:18,858 INFO L93 Difference]: Finished difference Result 1652 states and 2739 transitions. [2020-10-27 20:53:18,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-27 20:53:18,859 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 131 [2020-10-27 20:53:18,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:53:18,867 INFO L225 Difference]: With dead ends: 1652 [2020-10-27 20:53:18,867 INFO L226 Difference]: Without dead ends: 985 [2020-10-27 20:53:18,871 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 11.7s TimeCoverageRelationStatistics Valid=158, Invalid=712, Unknown=0, NotChecked=0, Total=870 [2020-10-27 20:53:18,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 985 states. [2020-10-27 20:53:19,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 985 to 700. [2020-10-27 20:53:19,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 700 states. [2020-10-27 20:53:19,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 1090 transitions. [2020-10-27 20:53:19,074 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 1090 transitions. Word has length 131 [2020-10-27 20:53:19,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:53:19,075 INFO L481 AbstractCegarLoop]: Abstraction has 700 states and 1090 transitions. [2020-10-27 20:53:19,075 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 20:53:19,075 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 1090 transitions. [2020-10-27 20:53:19,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-27 20:53:19,077 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:53:19,078 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:53:19,078 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 20:53:19,078 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:53:19,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:53:19,079 INFO L82 PathProgramCache]: Analyzing trace with hash 394660262, now seen corresponding path program 1 times [2020-10-27 20:53:19,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:53:19,079 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [210407417] [2020-10-27 20:53:19,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:53:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:19,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:19,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:19,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:19,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:19,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:20,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:24,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:24,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-10-27 20:53:24,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:53:24,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-10-27 20:53:24,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:24,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 20:53:24,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 101 [2020-10-27 20:53:24,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 20:53:24,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:25,343 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:53:25,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:53:25,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:25,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:25,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:25,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:53:25,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:25,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-27 20:53:25,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:25,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:25,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:25,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:25,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:25,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:53:25,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:25,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:25,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:25,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:53:25,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:25,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:53:25,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:25,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:25,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:25,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:25,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:25,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:53:25,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:25,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:25,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:25,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:53:25,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:25,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:53:25,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:25,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:25,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:25,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:25,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:25,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:53:25,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:25,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:25,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:25,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:53:25,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:25,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:53:25,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:25,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:25,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:25,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:25,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:25,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:53:25,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:25,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:25,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:25,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:53:25,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:25,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:53:25,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:25,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:25,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:25,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:25,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:25,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 20:53:25,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:25,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:25,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:25,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:53:25,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:25,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:53:25,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:25,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:25,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:25,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:25,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:25,694 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 20:53:25,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:53:25,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:25,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:25,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:25,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:25,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:25,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:30,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:30,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-27 20:53:30,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 20:53:30,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 20:53:30,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:30,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 20:53:30,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-27 20:53:30,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:53:30,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:30,897 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 20:53:30,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:53:30,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:30,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:30,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:30,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:31,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:31,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 20:53:31,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 20:53:31,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-27 20:53:31,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:31,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:53:31,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 20:53:31,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:53:31,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:31,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:53:31,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:31,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:31,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:31,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:31,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 20:53:31,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:53:31,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:53:31,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:31,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:53:31,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:53:31,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:53:31,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:31,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 20:53:31,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:31,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:31,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:31,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 20:53:31,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:31,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 20:53:31,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:31,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:53:31,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:53:31,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 20:53:31,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:31,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 20:53:31,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:31,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:31,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:31,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:53:31,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:31,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:53:31,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:31,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:53:31,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:31,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 20:53:31,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:31,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:53:31,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:31,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:31,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:31,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:53:31,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:31,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:53:31,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:31,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:31,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:31,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:31,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:31,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 20:53:31,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:31,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:31,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:31,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:31,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:31,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 20:53:31,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 20:53:31,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 186 [2020-10-27 20:53:31,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:31,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 20:53:31,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 20:53:31,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:53:31,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:31,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:53:31,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:31,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:31,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:31,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:53:31,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:31,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:53:31,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:31,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:53:31,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:31,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:53:31,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:31,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:53:31,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:31,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:31,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:31,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:31,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:31,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 20:53:31,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 20:53:31,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-10-27 20:53:31,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:31,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:53:31,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:53:31,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 20:53:31,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:31,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:53:31,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:31,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:31,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:31,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 20:53:31,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:31,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:53:31,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:31,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:53:31,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:31,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 20:53:31,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:31,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:53:31,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:31,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:31,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:31,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:53:31,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:31,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:53:31,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:31,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:31,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:31,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:31,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:31,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-27 20:53:31,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:31,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:31,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:31,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 20:53:31,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:31,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 20:53:31,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:31,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:31,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 20:53:31,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:31,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:31,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:53:31,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:31,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:31,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:31,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 20:53:31,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:31,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 20:53:31,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:31,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:31,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:31,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:31,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:31,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:53:31,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:31,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:31,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:31,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:53:31,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:31,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:53:31,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:31,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:31,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:31,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:31,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:31,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:53:31,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:31,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:31,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:31,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 20:53:31,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:31,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:53:31,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:31,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:31,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:31,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:31,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:31,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:53:31,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:31,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:31,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:31,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:53:31,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:31,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:53:31,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:31,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:31,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:31,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:31,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:31,771 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-27 20:53:31,772 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [210407417] [2020-10-27 20:53:31,772 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:53:31,772 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-27 20:53:31,772 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133611432] [2020-10-27 20:53:31,773 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 20:53:31,773 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:53:31,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 20:53:31,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2020-10-27 20:53:31,774 INFO L87 Difference]: Start difference. First operand 700 states and 1090 transitions. Second operand 16 states. [2020-10-27 20:53:34,635 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 20:53:35,916 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 426 [2020-10-27 20:53:37,177 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 20:53:38,545 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 424 [2020-10-27 20:53:39,784 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 426 [2020-10-27 20:53:42,939 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 421