/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=SHALLOWEST --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_product09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 02:10:19,453 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 02:10:19,457 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 02:10:19,515 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 02:10:19,516 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 02:10:19,524 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 02:10:19,526 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 02:10:19,530 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 02:10:19,533 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 02:10:19,550 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 02:10:19,552 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 02:10:19,554 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 02:10:19,555 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 02:10:19,558 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 02:10:19,560 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 02:10:19,561 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 02:10:19,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 02:10:19,566 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 02:10:19,573 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 02:10:19,578 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 02:10:19,582 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 02:10:19,583 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 02:10:19,584 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 02:10:19,585 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 02:10:19,591 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 02:10:19,592 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 02:10:19,592 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 02:10:19,594 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 02:10:19,595 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 02:10:19,596 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 02:10:19,596 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 02:10:19,597 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 02:10:19,599 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 02:10:19,599 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 02:10:19,600 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 02:10:19,600 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 02:10:19,601 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 02:10:19,601 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 02:10:19,602 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 02:10:19,603 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 02:10:19,603 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 02:10:19,605 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 02:10:19,656 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 02:10:19,656 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 02:10:19,658 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 02:10:19,658 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 02:10:19,658 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 02:10:19,659 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 02:10:19,659 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 02:10:19,659 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 02:10:19,659 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 02:10:19,659 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 02:10:19,660 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 02:10:19,660 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 02:10:19,660 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 02:10:19,660 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 02:10:19,660 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 02:10:19,661 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 02:10:19,661 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 02:10:19,661 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 02:10:19,661 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 02:10:19,661 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 02:10:19,662 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 02:10:19,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:10:19,662 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 02:10:19,662 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 02:10:19,663 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 02:10:19,663 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 02:10:19,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 02:10:19,663 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 02:10:19,663 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 02:10:19,663 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 02:10:20,069 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 02:10:20,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 02:10:20,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 02:10:20,123 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 02:10:20,123 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 02:10:20,124 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec1_product09.cil.c [2020-10-27 02:10:20,212 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7adf72a46/3deeba4a13bd417186740b5e1f6a3816/FLAG9fda71083 [2020-10-27 02:10:21,027 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 02:10:21,031 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec1_product09.cil.c [2020-10-27 02:10:21,068 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7adf72a46/3deeba4a13bd417186740b5e1f6a3816/FLAG9fda71083 [2020-10-27 02:10:21,170 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7adf72a46/3deeba4a13bd417186740b5e1f6a3816 [2020-10-27 02:10:21,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 02:10:21,181 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 02:10:21,185 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 02:10:21,185 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 02:10:21,189 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 02:10:21,191 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:10:21" (1/1) ... [2020-10-27 02:10:21,199 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35c7933 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:10:21, skipping insertion in model container [2020-10-27 02:10:21,200 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:10:21" (1/1) ... [2020-10-27 02:10:21,208 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 02:10:21,297 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 02:10:21,870 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:10:21,890 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 02:10:22,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:10:22,100 INFO L208 MainTranslator]: Completed translation [2020-10-27 02:10:22,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:10:22 WrapperNode [2020-10-27 02:10:22,102 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 02:10:22,103 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 02:10:22,104 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 02:10:22,104 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 02:10:22,117 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:10:22" (1/1) ... [2020-10-27 02:10:22,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:10:22" (1/1) ... [2020-10-27 02:10:22,173 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:10:22" (1/1) ... [2020-10-27 02:10:22,174 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:10:22" (1/1) ... [2020-10-27 02:10:22,246 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:10:22" (1/1) ... [2020-10-27 02:10:22,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:10:22" (1/1) ... [2020-10-27 02:10:22,295 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:10:22" (1/1) ... [2020-10-27 02:10:22,323 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 02:10:22,324 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 02:10:22,324 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 02:10:22,329 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 02:10:22,330 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:10:22" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:10:22,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 02:10:22,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 02:10:22,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 02:10:22,413 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 02:10:22,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 02:10:22,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 02:10:22,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 02:10:22,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 02:10:22,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 02:10:22,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 02:10:22,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 02:10:22,416 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 02:10:22,416 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 02:10:22,417 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 02:10:22,417 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 02:10:22,418 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-27 02:10:22,418 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-27 02:10:22,418 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-27 02:10:22,418 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-27 02:10:22,418 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-27 02:10:22,419 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-27 02:10:22,419 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-27 02:10:22,419 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-27 02:10:22,419 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 02:10:22,419 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-27 02:10:22,419 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-27 02:10:22,420 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-27 02:10:22,420 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 02:10:22,420 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-27 02:10:22,420 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 02:10:22,420 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 02:10:22,420 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 02:10:22,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-27 02:10:22,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__2 [2020-10-27 02:10:22,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__3 [2020-10-27 02:10:22,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__4 [2020-10-27 02:10:22,421 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-27 02:10:22,421 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-27 02:10:22,422 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-27 02:10:22,422 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-27 02:10:22,422 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-27 02:10:22,422 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-27 02:10:22,422 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-27 02:10:22,422 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-27 02:10:22,422 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-27 02:10:22,423 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-27 02:10:22,423 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-27 02:10:22,423 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-27 02:10:22,423 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-27 02:10:22,423 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-27 02:10:22,423 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-27 02:10:22,423 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-27 02:10:22,424 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-27 02:10:22,425 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-27 02:10:22,425 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-27 02:10:22,425 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-27 02:10:22,425 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-27 02:10:22,425 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-27 02:10:22,425 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-27 02:10:22,426 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-27 02:10:22,426 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-27 02:10:22,426 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-27 02:10:22,426 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-27 02:10:22,427 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-27 02:10:22,427 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-27 02:10:22,427 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-27 02:10:22,427 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-27 02:10:22,427 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 02:10:22,427 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-27 02:10:22,427 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-27 02:10:22,428 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 02:10:22,428 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-27 02:10:22,430 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-27 02:10:22,430 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-27 02:10:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 02:10:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 02:10:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 02:10:22,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 02:10:22,431 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 02:10:22,431 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 02:10:22,431 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 02:10:22,431 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 02:10:22,431 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 02:10:22,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 02:10:22,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 02:10:22,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 02:10:22,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 02:10:22,433 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 02:10:22,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 02:10:22,433 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 02:10:22,433 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 02:10:22,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 02:10:22,433 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 02:10:22,434 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 02:10:22,434 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 02:10:22,434 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 02:10:22,434 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 02:10:22,434 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 02:10:22,434 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 02:10:22,434 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 02:10:22,434 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-27 02:10:22,435 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-27 02:10:22,435 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-27 02:10:22,435 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-27 02:10:22,435 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-27 02:10:22,435 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-27 02:10:22,435 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-27 02:10:22,435 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-27 02:10:22,436 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-27 02:10:22,436 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 02:10:22,436 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-27 02:10:22,436 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-27 02:10:22,437 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-27 02:10:22,437 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 02:10:22,438 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-27 02:10:22,438 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-27 02:10:22,439 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-27 02:10:22,439 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-27 02:10:22,439 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-27 02:10:22,439 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 02:10:22,440 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-27 02:10:22,440 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 02:10:22,440 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-27 02:10:22,440 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__4 [2020-10-27 02:10:22,440 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 02:10:22,440 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 02:10:22,440 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 02:10:22,440 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-27 02:10:22,441 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-27 02:10:22,441 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__2 [2020-10-27 02:10:22,442 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__3 [2020-10-27 02:10:22,443 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-27 02:10:22,445 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-27 02:10:22,446 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-27 02:10:22,446 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-27 02:10:22,446 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-27 02:10:22,446 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-27 02:10:22,447 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-27 02:10:22,447 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-27 02:10:22,449 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-27 02:10:22,449 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-27 02:10:22,449 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 02:10:22,449 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-27 02:10:22,455 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-27 02:10:22,455 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-27 02:10:22,455 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-27 02:10:22,455 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-27 02:10:22,455 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-27 02:10:22,455 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-27 02:10:22,455 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-27 02:10:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-27 02:10:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-27 02:10:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-27 02:10:22,457 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-27 02:10:22,457 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-27 02:10:22,457 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-27 02:10:22,457 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-27 02:10:22,457 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-27 02:10:22,457 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-27 02:10:22,458 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-27 02:10:22,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 02:10:22,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 02:10:22,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 02:10:25,262 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 02:10:25,263 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-27 02:10:25,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:10:25 BoogieIcfgContainer [2020-10-27 02:10:25,268 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 02:10:25,272 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 02:10:25,272 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 02:10:25,277 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 02:10:25,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 02:10:21" (1/3) ... [2020-10-27 02:10:25,279 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32814106 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:10:25, skipping insertion in model container [2020-10-27 02:10:25,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:10:22" (2/3) ... [2020-10-27 02:10:25,279 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32814106 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:10:25, skipping insertion in model container [2020-10-27 02:10:25,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:10:25" (3/3) ... [2020-10-27 02:10:25,281 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product09.cil.c [2020-10-27 02:10:25,294 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 02:10:25,300 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 02:10:25,313 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 02:10:25,347 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 02:10:25,348 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 02:10:25,348 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 02:10:25,348 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 02:10:25,348 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 02:10:25,348 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 02:10:25,348 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 02:10:25,348 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 02:10:25,386 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states. [2020-10-27 02:10:25,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-27 02:10:25,433 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:10:25,434 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, 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 02:10:25,435 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 02:10:25,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:10:25,440 INFO L82 PathProgramCache]: Analyzing trace with hash 988640430, now seen corresponding path program 1 times [2020-10-27 02:10:25,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:10:25,449 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1313917047] [2020-10-27 02:10:25,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:10:25,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:26,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:26,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:26,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:26,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:27,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:27,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:28,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:30,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:31,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:31,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-27 02:10:31,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 02:10:31,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5072 [2020-10-27 02:10:31,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:31,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:10:31,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-27 02:10:31,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:10:31,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 02:10:32,405 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 400 [2020-10-27 02:10:32,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:10:32,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:32,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:32,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:32,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:10:32,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:32,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-27 02:10:32,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:32,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:32,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:32,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:32,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:32,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:10:32,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:32,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:32,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:32,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:10:32,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:32,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:10:32,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:32,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:32,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:32,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:32,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:32,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:10:32,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:32,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:32,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:32,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:10:32,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:32,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:10:32,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:32,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:32,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:32,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:32,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:32,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:10:32,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:32,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:32,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:32,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:10:32,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:32,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:10:32,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:32,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:32,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:32,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:32,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:32,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:10:32,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:32,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:32,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:32,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:10:32,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:32,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:10:32,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:32,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:32,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:32,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:32,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:32,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 02:10:32,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:32,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:32,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:32,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:10:32,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:32,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:10:32,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:32,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:32,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:32,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:32,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:32,867 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-27 02:10:32,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:10:32,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:32,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:32,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:33,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:33,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:33,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:33,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:33,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:33,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:34,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:34,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:37,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:37,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-27 02:10:37,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 02:10:37,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-27 02:10:37,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:37,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:10:37,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:10:37,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:10:37,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:38,132 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 02:10:38,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:10:38,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:38,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:38,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:38,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:38,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:38,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:39,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:39,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 02:10:39,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:10:39,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1004 [2020-10-27 02:10:39,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:39,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:10:39,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:10:39,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:10:39,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:39,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:10:39,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:39,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:39,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:39,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:10:39,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:39,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:10:39,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:39,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:10:39,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:10:39,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:10:39,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:39,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:10:39,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:39,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:39,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:39,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:39,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 02:10:39,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:10:39,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 02:10:39,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:39,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:10:39,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:10:39,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 02:10:39,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:39,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:10:39,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:39,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:39,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:39,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:10:39,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:39,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 02:10:39,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:39,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:10:39,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:39,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:10:39,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:39,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:10:39,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:39,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:39,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:39,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:10:39,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:39,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:10:39,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:39,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:39,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:39,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:39,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:10:39,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:10:39,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:39,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:39,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:39,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:39,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:39,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:40,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:40,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:40,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 02:10:40,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:10:40,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1078 [2020-10-27 02:10:40,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:40,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:10:40,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:10:40,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:10:40,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:40,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:10:40,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:40,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:40,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:40,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:10:40,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:40,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:10:40,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:40,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:10:40,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:10:40,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:10:40,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:40,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:10:40,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:40,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:40,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:40,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:40,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 02:10:40,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:10:40,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-27 02:10:40,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:40,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:10:40,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:10:40,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 02:10:40,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:40,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:10:40,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:40,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:40,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:40,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:10:40,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:40,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 02:10:40,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:40,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:10:40,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:40,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:10:40,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:40,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:10:40,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:40,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:40,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:40,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:10:40,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:40,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:10:40,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:40,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:40,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:40,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:40,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:40,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 02:10:40,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:40,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:40,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:40,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:40,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:40,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:40,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:45,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:45,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:45,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-27 02:10:45,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 02:10:45,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 02:10:45,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:45,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 02:10:45,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 02:10:45,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-27 02:10:45,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:45,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:10:45,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:45,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:45,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:45,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:45,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:45,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:48,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:48,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 02:10:48,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:10:48,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2831 [2020-10-27 02:10:48,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:48,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 02:10:48,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 02:10:48,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-27 02:10:48,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:48,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:10:48,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:48,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:48,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:48,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:10:48,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:48,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 02:10:48,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:48,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:10:48,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:48,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:10:48,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:48,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:10:48,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:48,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:48,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:48,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:10:48,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:48,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:10:48,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:48,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:10:48,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:48,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:10:48,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 02:10:48,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 02:10:48,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:48,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:48,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:48,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:48,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:10:48,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:10:48,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:10:48,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:48,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:10:48,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:48,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:10:48,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:48,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 02:10:48,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:48,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:48,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:48,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:48,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:10:48,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:10:48,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 02:10:48,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:48,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:10:48,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 02:10:48,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 02:10:48,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:48,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 02:10:48,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:48,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:48,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:48,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 02:10:48,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:48,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 02:10:48,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:48,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:10:48,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:10:48,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 02:10:48,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-10-27 02:10:48,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:10:48,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:48,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:48,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:48,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:10:48,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:48,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 02:10:48,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:48,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:10:48,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:48,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:10:48,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:49,235 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-27 02:10:49,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1313917047] [2020-10-27 02:10:49,238 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:10:49,239 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2020-10-27 02:10:49,239 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768081705] [2020-10-27 02:10:49,244 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-27 02:10:49,245 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:10:49,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-27 02:10:49,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2020-10-27 02:10:49,265 INFO L87 Difference]: Start difference. First operand 742 states. Second operand 22 states. [2020-10-27 02:10:52,113 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 402 [2020-10-27 02:10:53,966 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-27 02:10:55,229 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 02:10:56,796 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-27 02:11:01,794 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 404 [2020-10-27 02:11:02,411 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 02:11:03,946 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 02:11:04,617 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 02:11:04,860 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 02:11:07,001 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 02:11:08,450 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-27 02:11:09,703 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-27 02:11:11,757 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 02:11:13,049 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 02:11:14,872 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 02:11:16,076 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 02:11:18,696 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 411 DAG size of output: 406 [2020-10-27 02:11:19,923 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 413 [2020-10-27 02:11:24,961 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 407 [2020-10-27 02:11:26,152 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 02:11:28,188 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-27 02:11:29,372 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-27 02:11:33,985 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-27 02:11:36,015 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 02:11:36,793 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 02:11:39,005 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-27 02:11:40,472 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-27 02:11:41,708 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 02:11:43,606 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-27 02:11:44,877 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 407 [2020-10-27 02:11:45,554 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 02:11:48,002 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 02:11:49,051 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-27 02:11:49,255 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 02:11:52,385 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-27 02:11:54,063 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-27 02:11:56,523 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 410 DAG size of output: 406 [2020-10-27 02:12:05,016 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 02:12:05,798 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 02:12:08,169 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 02:13:13,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:13:13,471 INFO L93 Difference]: Finished difference Result 3656 states and 6882 transitions. [2020-10-27 02:13:13,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2020-10-27 02:13:13,474 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 139 [2020-10-27 02:13:13,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:13:13,568 INFO L225 Difference]: With dead ends: 3656 [2020-10-27 02:13:13,568 INFO L226 Difference]: Without dead ends: 3034 [2020-10-27 02:13:13,595 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3195 ImplicationChecksByTransitivity, 39.9s TimeCoverageRelationStatistics Valid=1330, Invalid=7790, Unknown=0, NotChecked=0, Total=9120 [2020-10-27 02:13:13,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3034 states. [2020-10-27 02:13:14,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3034 to 1844. [2020-10-27 02:13:14,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1844 states. [2020-10-27 02:13:14,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1844 states to 1844 states and 2990 transitions. [2020-10-27 02:13:14,517 INFO L78 Accepts]: Start accepts. Automaton has 1844 states and 2990 transitions. Word has length 139 [2020-10-27 02:13:14,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:13:14,518 INFO L481 AbstractCegarLoop]: Abstraction has 1844 states and 2990 transitions. [2020-10-27 02:13:14,518 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-27 02:13:14,518 INFO L276 IsEmpty]: Start isEmpty. Operand 1844 states and 2990 transitions. [2020-10-27 02:13:14,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-27 02:13:14,525 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:13:14,525 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, 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 02:13:14,526 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 02:13:14,526 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 02:13:14,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:13:14,527 INFO L82 PathProgramCache]: Analyzing trace with hash 1776417357, now seen corresponding path program 1 times [2020-10-27 02:13:14,527 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:13:14,527 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [406630406] [2020-10-27 02:13:14,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:13:14,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:14,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:14,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:14,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:15,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:15,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:15,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:15,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:18,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:19,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:19,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-27 02:13:19,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 02:13:19,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5059 [2020-10-27 02:13:19,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:19,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:13:19,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-27 02:13:19,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:13:19,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:20,934 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 400 [2020-10-27 02:13:20,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:13:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:20,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:21,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:21,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:13:21,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:21,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-27 02:13:21,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:21,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:21,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:21,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:21,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:21,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:13:21,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:21,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:21,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:21,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:13:21,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:21,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:13:21,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:21,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:21,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:21,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:21,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:21,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:13:21,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:21,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:21,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:21,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:13:21,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:21,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:13:21,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:21,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:21,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:21,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:21,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:21,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:13:21,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:21,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:21,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:21,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:13:21,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:21,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:13:21,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:21,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:21,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:21,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:21,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:21,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:13:21,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:21,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:21,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:21,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:13:21,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:21,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:13:21,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:21,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:21,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:21,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:21,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:21,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 02:13:21,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:21,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:21,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:21,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:13:21,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:21,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:13:21,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:21,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:21,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:21,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:21,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:21,405 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-27 02:13:21,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:13:21,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:21,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:21,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:21,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:21,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:21,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:21,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:21,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:21,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:22,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:26,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:26,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-27 02:13:26,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 02:13:26,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-27 02:13:26,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:26,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:13:26,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:13:26,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:13:26,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:26,639 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 02:13:26,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:13:26,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:26,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:26,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:26,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:26,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:26,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:27,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:27,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 02:13:27,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:13:27,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 771 [2020-10-27 02:13:27,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:27,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:13:27,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:13:27,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:13:27,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:27,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:13:27,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:27,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:27,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:27,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:13:27,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:27,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:13:27,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:27,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:13:27,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:13:27,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:13:27,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:27,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:13:27,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:27,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:27,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:27,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:27,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 02:13:27,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:13:27,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-27 02:13:27,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:27,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:13:27,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:13:27,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 02:13:27,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:27,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 02:13:27,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:27,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:27,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:27,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:13:27,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:27,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 02:13:27,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:27,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:13:27,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:27,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:13:27,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:27,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:13:27,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:27,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:27,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:27,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:13:27,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:27,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:13:27,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:27,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:27,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:27,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:27,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:27,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 02:13:27,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:27,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:27,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:27,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:27,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:27,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:28,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:28,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:28,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 02:13:28,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:13:28,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 684 [2020-10-27 02:13:28,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:28,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:13:28,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:13:28,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:13:28,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:28,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:13:28,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:28,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:28,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:28,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:13:28,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:28,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:13:28,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:28,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:13:28,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:13:28,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:13:28,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:28,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:13:28,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:28,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:28,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:28,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:28,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 02:13:28,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:13:28,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-27 02:13:28,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:28,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:13:28,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:13:28,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 02:13:28,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:28,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 02:13:28,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:28,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:28,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:28,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:13:28,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:28,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:13:28,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:28,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:13:28,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:28,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:13:28,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:28,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:13:28,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:28,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:28,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:28,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:13:28,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:28,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 02:13:28,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:28,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:28,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:28,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:28,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:13:28,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 02:13:28,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:28,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:28,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:28,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:28,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:28,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:28,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 02:13:28,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:13:28,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 474 [2020-10-27 02:13:28,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:28,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:13:28,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 02:13:28,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:13:28,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:28,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:13:28,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:28,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:28,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:28,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:29,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:29,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 02:13:29,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:13:29,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 396 [2020-10-27 02:13:29,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:29,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:13:29,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 02:13:29,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:13:29,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:29,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:13:29,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:29,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:29,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:29,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:13:29,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:29,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 02:13:29,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:29,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:13:29,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:29,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:13:29,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:29,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:13:29,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:29,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:29,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:29,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:13:29,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:29,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:13:29,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:29,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:29,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:29,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:29,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:29,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 02:13:29,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:29,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:29,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:29,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:13:29,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:29,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:13:29,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:29,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:29,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:13:29,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:29,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:29,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 02:13:29,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:29,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:29,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:29,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:29,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:13:29,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:13:29,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:13:29,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:29,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:13:29,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:13:29,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:13:29,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:29,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 02:13:29,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:29,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:29,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:29,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 02:13:29,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:29,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:13:29,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:29,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:29,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 02:13:29,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:29,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:29,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:13:29,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:29,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:29,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:29,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:13:29,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:29,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:13:29,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:29,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:29,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:29,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:29,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:29,735 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-27 02:13:29,735 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [406630406] [2020-10-27 02:13:29,735 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:13:29,736 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-27 02:13:29,736 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604432662] [2020-10-27 02:13:29,737 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 02:13:29,738 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:13:29,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 02:13:29,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2020-10-27 02:13:29,739 INFO L87 Difference]: Start difference. First operand 1844 states and 2990 transitions. Second operand 16 states. [2020-10-27 02:13:31,889 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 402 [2020-10-27 02:13:33,599 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-27 02:13:34,866 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 02:13:36,323 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-27 02:13:40,779 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 404 [2020-10-27 02:13:42,010 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 404 [2020-10-27 02:13:43,159 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 404 [2020-10-27 02:13:43,416 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-27 02:13:44,160 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 02:13:46,038 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 02:13:56,186 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-27 02:13:57,351 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-27 02:13:58,467 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-27 02:13:58,682 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 02:13:59,198 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 127