/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/elevator_spec1_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 20:52:11,625 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 20:52:11,628 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 20:52:11,665 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 20:52:11,666 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 20:52:11,668 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 20:52:11,669 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 20:52:11,672 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 20:52:11,674 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 20:52:11,675 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 20:52:11,676 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 20:52:11,678 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 20:52:11,678 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 20:52:11,680 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 20:52:11,681 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 20:52:11,683 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 20:52:11,684 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 20:52:11,685 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 20:52:11,687 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 20:52:11,689 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 20:52:11,691 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 20:52:11,693 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 20:52:11,694 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 20:52:11,695 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 20:52:11,698 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 20:52:11,718 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 20:52:11,719 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 20:52:11,725 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 20:52:11,726 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 20:52:11,734 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 20:52:11,735 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 20:52:11,736 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 20:52:11,737 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 20:52:11,738 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 20:52:11,742 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 20:52:11,743 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 20:52:11,744 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 20:52:11,749 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 20:52:11,750 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 20:52:11,751 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 20:52:11,752 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 20:52:11,754 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 20:52:11,784 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 20:52:11,784 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 20:52:11,786 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 20:52:11,786 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 20:52:11,786 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 20:52:11,787 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 20:52:11,787 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 20:52:11,787 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 20:52:11,787 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 20:52:11,788 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 20:52:11,788 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 20:52:11,788 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 20:52:11,788 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 20:52:11,789 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 20:52:11,789 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 20:52:11,789 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 20:52:11,789 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 20:52:11,790 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 20:52:11,790 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 20:52:11,790 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 20:52:11,790 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 20:52:11,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 20:52:11,791 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 20:52:11,791 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 20:52:11,792 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 20:52:11,792 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 20:52:11,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 20:52:11,792 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 20:52:11,792 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 20:52:11,793 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 20:52:12,149 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 20:52:12,185 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 20:52:12,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 20:52:12,191 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 20:52:12,192 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 20:52:12,194 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec1_product30.cil.c [2020-10-27 20:52:12,277 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/44c4eb0f6/0aab99621b4f48eca12bff42108eac08/FLAG71923c5bc [2020-10-27 20:52:13,024 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 20:52:13,024 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec1_product30.cil.c [2020-10-27 20:52:13,062 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/44c4eb0f6/0aab99621b4f48eca12bff42108eac08/FLAG71923c5bc [2020-10-27 20:52:13,239 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/44c4eb0f6/0aab99621b4f48eca12bff42108eac08 [2020-10-27 20:52:13,242 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 20:52:13,249 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 20:52:13,251 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 20:52:13,251 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 20:52:13,255 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 20:52:13,256 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:52:13" (1/1) ... [2020-10-27 20:52:13,259 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72477d0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:52:13, skipping insertion in model container [2020-10-27 20:52:13,260 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:52:13" (1/1) ... [2020-10-27 20:52:13,271 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 20:52:13,358 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 20:52:14,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 20:52:14,113 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 20:52:14,250 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 20:52:14,320 INFO L208 MainTranslator]: Completed translation [2020-10-27 20:52:14,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:52:14 WrapperNode [2020-10-27 20:52:14,321 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 20:52:14,322 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 20:52:14,322 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 20:52:14,322 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 20:52:14,336 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:52:14" (1/1) ... [2020-10-27 20:52:14,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:52:14" (1/1) ... [2020-10-27 20:52:14,371 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:52:14" (1/1) ... [2020-10-27 20:52:14,372 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:52:14" (1/1) ... [2020-10-27 20:52:14,439 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:52:14" (1/1) ... [2020-10-27 20:52:14,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:52:14" (1/1) ... [2020-10-27 20:52:14,506 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:52:14" (1/1) ... [2020-10-27 20:52:14,531 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 20:52:14,532 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 20:52:14,532 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 20:52:14,536 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 20:52:14,537 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:52:14" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 20:52:14,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 20:52:14,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 20:52:14,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 20:52:14,622 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 20:52:14,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 20:52:14,623 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-27 20:52:14,624 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-27 20:52:14,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 20:52:14,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 20:52:14,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 20:52:14,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 20:52:14,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 20:52:14,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 20:52:14,626 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 20:52:14,626 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 20:52:14,627 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 20:52:14,627 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 20:52:14,627 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 20:52:14,628 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-27 20:52:14,628 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-27 20:52:14,628 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-27 20:52:14,628 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-27 20:52:14,628 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-27 20:52:14,628 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-27 20:52:14,629 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-27 20:52:14,629 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-27 20:52:14,629 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 20:52:14,629 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-27 20:52:14,629 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-27 20:52:14,629 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-27 20:52:14,629 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 20:52:14,630 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-27 20:52:14,630 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 20:52:14,630 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 20:52:14,630 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 20:52:14,630 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-27 20:52:14,631 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-27 20:52:14,631 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-27 20:52:14,631 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-27 20:52:14,631 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-27 20:52:14,631 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-27 20:52:14,631 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-27 20:52:14,632 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-27 20:52:14,632 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-27 20:52:14,632 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-27 20:52:14,632 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-27 20:52:14,632 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-27 20:52:14,632 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-27 20:52:14,632 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-27 20:52:14,633 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-27 20:52:14,633 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-27 20:52:14,633 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-27 20:52:14,633 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2020-10-27 20:52:14,634 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-27 20:52:14,634 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-27 20:52:14,634 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-27 20:52:14,635 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-27 20:52:14,635 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-27 20:52:14,635 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-27 20:52:14,635 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-27 20:52:14,636 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-27 20:52:14,636 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-27 20:52:14,636 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-27 20:52:14,636 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2020-10-27 20:52:14,636 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-27 20:52:14,636 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-27 20:52:14,637 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-27 20:52:14,637 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-27 20:52:14,637 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-27 20:52:14,637 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-27 20:52:14,637 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-27 20:52:14,638 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__twothirdsfull [2020-10-27 20:52:14,639 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 20:52:14,640 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__twothirdsfull [2020-10-27 20:52:14,640 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-27 20:52:14,640 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-27 20:52:14,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-27 20:52:14,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__2 [2020-10-27 20:52:14,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__3 [2020-10-27 20:52:14,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__4 [2020-10-27 20:52:14,641 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 20:52:14,641 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 20:52:14,642 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 20:52:14,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 20:52:14,642 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 20:52:14,642 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 20:52:14,642 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-27 20:52:14,643 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-27 20:52:14,643 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 20:52:14,643 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-27 20:52:14,643 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-27 20:52:14,643 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-27 20:52:14,643 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-27 20:52:14,643 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-27 20:52:14,644 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-27 20:52:14,644 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 20:52:14,644 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 20:52:14,644 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 20:52:14,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 20:52:14,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 20:52:14,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 20:52:14,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 20:52:14,645 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 20:52:14,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 20:52:14,645 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 20:52:14,645 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 20:52:14,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 20:52:14,646 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 20:52:14,646 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 20:52:14,646 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 20:52:14,646 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-27 20:52:14,647 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-27 20:52:14,647 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 20:52:14,648 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 20:52:14,648 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 20:52:14,648 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 20:52:14,648 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 20:52:14,649 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 20:52:14,650 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 20:52:14,650 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-27 20:52:14,650 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-27 20:52:14,650 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-27 20:52:14,650 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-27 20:52:14,651 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-27 20:52:14,651 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-27 20:52:14,651 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-27 20:52:14,651 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-27 20:52:14,652 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-27 20:52:14,652 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-27 20:52:14,652 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 20:52:14,653 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-27 20:52:14,654 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 20:52:14,657 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-27 20:52:14,657 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__4 [2020-10-27 20:52:14,657 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 20:52:14,657 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 20:52:14,657 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-27 20:52:14,658 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-27 20:52:14,659 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-27 20:52:14,660 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-27 20:52:14,660 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-27 20:52:14,660 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-27 20:52:14,660 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-27 20:52:14,666 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__2 [2020-10-27 20:52:14,687 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-27 20:52:14,687 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-27 20:52:14,687 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 20:52:14,688 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-27 20:52:14,688 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-27 20:52:14,688 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-27 20:52:14,688 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-27 20:52:14,688 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-27 20:52:14,688 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-27 20:52:14,689 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-27 20:52:14,689 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-27 20:52:14,689 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2020-10-27 20:52:14,689 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-27 20:52:14,689 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-27 20:52:14,689 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-27 20:52:14,689 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-27 20:52:14,689 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-27 20:52:14,690 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2020-10-27 20:52:14,690 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-27 20:52:14,690 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-27 20:52:14,690 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-27 20:52:14,690 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-27 20:52:14,690 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-27 20:52:14,690 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-27 20:52:14,690 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__twothirdsfull [2020-10-27 20:52:14,691 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__3 [2020-10-27 20:52:14,691 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__twothirdsfull [2020-10-27 20:52:14,691 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-27 20:52:14,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 20:52:14,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 20:52:14,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 20:52:17,365 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 20:52:17,366 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-27 20:52:17,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:52:17 BoogieIcfgContainer [2020-10-27 20:52:17,371 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 20:52:17,374 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 20:52:17,375 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 20:52:17,378 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 20:52:17,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 08:52:13" (1/3) ... [2020-10-27 20:52:17,379 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2be797c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:52:17, skipping insertion in model container [2020-10-27 20:52:17,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:52:14" (2/3) ... [2020-10-27 20:52:17,379 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2be797c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:52:17, skipping insertion in model container [2020-10-27 20:52:17,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:52:17" (3/3) ... [2020-10-27 20:52:17,381 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product30.cil.c [2020-10-27 20:52:17,393 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 20:52:17,399 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 20:52:17,412 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 20:52:17,456 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 20:52:17,456 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 20:52:17,456 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 20:52:17,456 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 20:52:17,456 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 20:52:17,456 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 20:52:17,456 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 20:52:17,457 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 20:52:17,505 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states. [2020-10-27 20:52:17,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-27 20:52:17,530 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:52:17,531 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:52:17,532 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:52:17,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:52:17,537 INFO L82 PathProgramCache]: Analyzing trace with hash -1794528285, now seen corresponding path program 1 times [2020-10-27 20:52:17,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:52:17,547 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1343347493] [2020-10-27 20:52:17,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:52:18,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:18,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:18,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:18,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:18,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:19,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:20,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:21,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:23,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:23,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-27 20:52:23,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 20:52:23,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-27 20:52:23,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:23,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:52:23,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-27 20:52:23,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:52:23,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 20:52:24,406 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-27 20:52:24,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:52:24,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:24,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:24,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:24,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:52:24,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:24,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-27 20:52:24,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:24,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:24,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:24,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:24,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:24,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:52:24,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:24,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:24,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:24,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:52:24,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:24,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:52:24,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:24,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:24,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:24,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:24,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:24,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:52:24,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:24,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:24,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:24,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:52:24,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:24,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:52:24,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:24,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:24,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:24,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:24,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:24,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:52:24,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:24,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:24,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:24,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:52:24,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:24,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:52:24,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:24,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:24,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:24,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:24,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:24,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:52:24,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:24,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:24,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:24,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:52:24,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:24,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:52:24,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:24,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:24,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:24,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:24,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:24,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 20:52:24,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:24,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:24,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:24,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:52:24,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:24,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:52:24,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:24,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:24,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:24,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:24,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:24,840 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 20:52:24,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:52:24,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:24,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:24,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:24,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:25,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:25,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:25,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:25,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:29,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:29,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-27 20:52:29,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 20:52:29,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 20:52:29,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:29,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:52:29,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-27 20:52:29,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:52:29,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:30,093 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 20:52:30,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:52:30,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:30,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:30,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:30,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:30,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:30,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:30,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:31,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:31,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 20:52:31,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:52:31,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1001 [2020-10-27 20:52:31,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:31,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:52:31,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 20:52:31,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:52:31,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:31,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:52:31,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:31,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:31,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:31,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:31,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:52:31,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:52:31,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 20:52:31,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:31,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:52:31,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:52:31,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:52:31,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:31,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 20:52:31,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:31,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:31,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:31,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 20:52:31,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:31,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-27 20:52:31,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:31,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:52:31,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:52:31,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 20:52:31,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:31,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 20:52:31,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:31,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:31,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:31,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:52:31,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:31,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 20:52:31,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:31,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:52:31,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:31,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 20:52:31,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:31,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:52:31,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:31,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:31,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:31,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:52:31,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:31,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:52:31,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:31,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:31,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:31,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:31,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:31,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:52:31,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:31,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:31,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:31,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:31,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:31,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:32,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:32,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 20:52:32,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 20:52:32,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 892 [2020-10-27 20:52:32,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:32,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:52:32,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 20:52:32,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:52:32,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:32,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:52:32,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:32,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:32,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:32,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:32,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:52:32,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:52:32,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:52:32,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:32,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:52:32,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:52:32,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:52:32,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:32,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 20:52:32,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:32,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:32,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:32,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 20:52:32,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:32,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 20:52:32,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:32,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:52:32,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:52:32,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 20:52:32,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:32,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 20:52:32,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:32,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:32,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:32,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:52:32,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:32,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 20:52:32,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:32,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:52:32,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:32,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 20:52:32,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:32,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:52:32,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:32,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:32,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:32,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:52:32,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:32,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:52:32,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:32,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:32,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:32,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:32,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:32,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 20:52:32,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:32,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:32,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:32,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:32,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-27 20:52:32,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:52:32,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-27 20:52:32,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:32,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:32,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-27 20:52:32,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:32,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:52:32,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:52:32,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:32,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:32,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:32,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 20:52:32,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:32,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 20:52:32,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:32,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:32,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:32,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:32,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:32,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:52:32,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:32,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:32,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:32,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:52:32,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:32,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:52:32,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:32,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:32,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:32,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:32,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:32,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:52:32,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:32,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:32,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:32,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 20:52:32,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:32,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:52:32,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:32,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:32,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:32,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:32,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:32,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:52:32,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:32,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:32,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:32,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:52:32,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:32,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:52:32,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:32,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:32,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:32,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:32,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:32,689 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-27 20:52:32,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1343347493] [2020-10-27 20:52:32,692 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:52:32,692 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 20:52:32,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819103976] [2020-10-27 20:52:32,699 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 20:52:32,699 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:52:32,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 20:52:32,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-27 20:52:32,717 INFO L87 Difference]: Start difference. First operand 810 states. Second operand 13 states. [2020-10-27 20:52:35,163 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:52:36,445 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 420 [2020-10-27 20:52:37,874 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:53:01,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:53:01,568 INFO L93 Difference]: Finished difference Result 1567 states and 2621 transitions. [2020-10-27 20:53:01,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 20:53:01,573 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 117 [2020-10-27 20:53:01,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:53:01,610 INFO L225 Difference]: With dead ends: 1567 [2020-10-27 20:53:01,610 INFO L226 Difference]: Without dead ends: 916 [2020-10-27 20:53:01,625 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=97, Invalid=323, Unknown=0, NotChecked=0, Total=420 [2020-10-27 20:53:01,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 916 states. [2020-10-27 20:53:01,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 916 to 646. [2020-10-27 20:53:01,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 646 states. [2020-10-27 20:53:01,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 1021 transitions. [2020-10-27 20:53:01,928 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 1021 transitions. Word has length 117 [2020-10-27 20:53:01,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:53:01,928 INFO L481 AbstractCegarLoop]: Abstraction has 646 states and 1021 transitions. [2020-10-27 20:53:01,928 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 20:53:01,929 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 1021 transitions. [2020-10-27 20:53:01,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-27 20:53:01,935 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:53:01,935 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:53:01,936 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 20:53:01,936 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:53:01,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:53:01,936 INFO L82 PathProgramCache]: Analyzing trace with hash 1918982538, now seen corresponding path program 1 times [2020-10-27 20:53:01,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:53:01,937 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [467510820] [2020-10-27 20:53:01,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:53:01,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:02,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:02,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:02,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:02,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:02,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:02,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:03,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:07,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:07,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-27 20:53:07,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 20:53:07,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5055 [2020-10-27 20:53:07,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:07,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:53:07,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 99 [2020-10-27 20:53:07,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:53:07,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:08,217 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-27 20:53:08,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:53:08,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:08,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:08,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:08,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:53:08,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:08,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-27 20:53:08,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:08,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:08,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:08,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:08,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:08,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:53:08,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:08,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:08,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:08,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:53:08,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:08,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:53:08,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:08,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:08,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:08,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:08,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:08,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:53:08,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:08,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:08,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:08,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:53:08,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:08,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:53:08,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:08,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:08,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:08,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:08,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:08,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:53:08,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:08,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:08,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:08,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:53:08,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:08,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:53:08,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:08,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:08,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:08,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:08,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:08,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:53:08,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:08,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:08,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:08,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:53:08,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:08,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:53:08,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:08,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:08,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:08,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:08,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:08,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 20:53:08,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:08,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:08,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:08,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:53:08,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:08,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:53:08,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:08,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:08,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:08,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:08,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:08,646 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 20:53:08,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:53:08,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:08,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:08,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:08,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:08,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:08,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:08,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:09,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:13,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:13,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:13,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:13,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:13,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-27 20:53:13,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 20:53:13,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 20:53:13,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:13,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:53:13,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-27 20:53:13,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:53:13,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 20:53:13,847 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 20:53:13,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:53:13,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:13,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:13,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:13,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:13,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:13,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:14,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:14,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:14,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 20:53:14,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:53:14,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 651 [2020-10-27 20:53:14,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:14,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:53:14,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 20:53:14,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:53:14,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:14,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:53:14,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:14,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:14,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:14,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:14,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:53:14,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:53:14,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:53:14,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:14,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:53:14,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:53:14,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:53:14,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:14,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:53:14,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:14,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:14,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:14,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 20:53:14,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:14,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 20:53:14,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:14,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:53:14,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:53:14,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 20:53:14,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:14,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 20:53:14,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:14,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:14,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:14,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:53:14,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:14,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 20:53:14,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:14,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:53:14,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:14,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 20:53:14,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:14,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:53:14,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:14,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:14,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:14,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:53:14,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:14,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:53:14,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:14,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:14,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:14,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:14,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:14,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 20:53:14,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:14,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:14,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:14,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:14,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:14,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:15,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:15,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 20:53:15,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 20:53:15,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 862 [2020-10-27 20:53:15,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:15,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:53:15,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 20:53:15,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:53:15,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:15,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:53:15,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:15,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:15,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:15,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:15,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:53:15,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:53:15,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:53:15,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:15,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:53:15,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:53:15,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:53:15,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:15,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:53:15,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:15,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:15,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:15,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 20:53:15,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:15,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 20:53:15,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:15,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:53:15,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:53:15,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 20:53:15,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:15,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 20:53:15,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:15,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:15,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:15,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:53:15,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:15,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 20:53:15,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:15,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:53:15,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:15,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 20:53:15,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:15,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:53:15,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:15,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:15,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:15,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:53:15,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:15,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:53:15,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:15,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:15,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:15,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:15,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:15,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 20:53:15,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:15,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:15,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:15,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 20:53:15,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:15,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-27 20:53:15,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:15,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:15,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 20:53:15,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:15,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:15,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:53:15,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:15,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:15,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:15,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 20:53:15,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:15,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 20:53:15,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:15,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:15,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:15,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:15,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:15,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:53:15,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:15,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:15,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:15,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:53:15,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:15,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:53:15,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:15,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:15,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:15,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:15,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:15,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:53:15,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:15,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:15,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:15,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 20:53:15,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:15,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:53:15,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:15,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:15,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:15,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:15,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:15,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:53:15,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:15,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:15,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:15,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:53:15,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:15,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:53:15,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:15,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:15,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:15,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:15,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:15,906 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-27 20:53:15,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [467510820] [2020-10-27 20:53:15,907 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:53:15,907 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 20:53:15,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792566549] [2020-10-27 20:53:15,909 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 20:53:15,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:53:15,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 20:53:15,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-27 20:53:15,910 INFO L87 Difference]: Start difference. First operand 646 states and 1021 transitions. Second operand 13 states. [2020-10-27 20:53:17,971 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:53:19,195 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 420 [2020-10-27 20:53:20,579 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:53:42,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:53:42,881 INFO L93 Difference]: Finished difference Result 1541 states and 2555 transitions. [2020-10-27 20:53:42,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 20:53:42,882 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 123 [2020-10-27 20:53:42,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:53:42,893 INFO L225 Difference]: With dead ends: 1541 [2020-10-27 20:53:42,894 INFO L226 Difference]: Without dead ends: 916 [2020-10-27 20:53:42,898 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=97, Invalid=323, Unknown=0, NotChecked=0, Total=420 [2020-10-27 20:53:42,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 916 states. [2020-10-27 20:53:43,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 916 to 646. [2020-10-27 20:53:43,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 646 states. [2020-10-27 20:53:43,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 1015 transitions. [2020-10-27 20:53:43,089 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 1015 transitions. Word has length 123 [2020-10-27 20:53:43,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:53:43,089 INFO L481 AbstractCegarLoop]: Abstraction has 646 states and 1015 transitions. [2020-10-27 20:53:43,089 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 20:53:43,089 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 1015 transitions. [2020-10-27 20:53:43,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-27 20:53:43,093 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:53:43,093 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:53:43,093 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 20:53:43,094 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:53:43,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:53:43,094 INFO L82 PathProgramCache]: Analyzing trace with hash -1123001134, now seen corresponding path program 1 times [2020-10-27 20:53:43,094 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:53:43,095 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1444924170] [2020-10-27 20:53:43,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:53:43,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:43,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:43,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:43,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:43,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:43,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:44,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:48,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:48,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-27 20:53:48,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:53:48,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-27 20:53:48,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:48,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 20:53:48,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-27 20:53:48,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 20:53:48,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:49,367 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-27 20:53:49,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:53:49,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:49,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:49,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:49,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:53:49,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:49,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-27 20:53:49,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:49,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:49,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:49,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:49,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:49,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:53:49,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:49,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:49,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:49,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:53:49,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:49,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:53:49,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:49,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:49,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:49,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:49,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:49,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:53:49,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:49,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:49,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:49,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:53:49,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:49,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:53:49,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:49,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:49,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:49,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:49,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:49,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:53:49,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:49,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:49,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:49,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:53:49,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:49,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:53:49,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:49,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:49,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:49,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:49,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:49,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:53:49,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:49,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:49,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:49,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:53:49,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:49,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:53:49,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:49,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:49,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:49,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:49,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:49,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 20:53:49,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:49,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:49,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:49,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:53:49,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:49,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:53:49,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:49,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:49,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:49,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:49,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:49,779 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 20:53:49,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:53:49,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:49,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:49,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:49,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:49,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:50,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:50,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:50,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:50,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:54,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:54,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-27 20:53:54,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 20:53:54,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 20:53:54,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:54,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 20:53:54,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-27 20:53:54,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 20:53:54,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:55,015 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 20:53:55,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:53:55,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:55,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:55,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:55,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:55,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:55,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:55,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:55,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:55,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 20:53:55,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:53:55,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 838 [2020-10-27 20:53:55,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:55,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:53:55,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 20:53:55,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:53:55,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:55,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:53:55,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:55,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:55,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:55,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:55,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:53:55,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:53:55,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:53:55,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:55,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:53:55,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:53:55,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:53:55,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:55,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:53:55,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:55,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:55,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:55,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 20:53:55,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:55,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 20:53:55,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:55,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:53:55,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:53:55,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 20:53:55,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:56,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 20:53:56,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:56,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:56,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:56,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:53:56,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:56,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:53:56,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:56,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:53:56,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:56,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 20:53:56,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:56,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:53:56,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:56,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:56,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:56,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:53:56,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:56,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:53:56,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:56,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:56,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:56,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:56,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:56,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 20:53:56,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:56,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:56,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:56,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:56,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:56,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 20:53:56,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 20:53:56,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 230 [2020-10-27 20:53:56,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:56,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 20:53:56,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 20:53:56,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:53:56,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:56,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:53:56,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:56,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:56,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:56,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:53:56,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:56,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:53:56,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:56,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:53:56,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:56,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:53:56,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:56,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:53:56,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:56,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:56,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:56,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:56,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:56,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 20:53:56,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 20:53:56,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-27 20:53:56,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:56,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 20:53:56,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:53:56,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 20:53:56,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:56,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 20:53:56,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:56,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:56,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:56,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:56,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:53:56,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:53:56,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 20:53:56,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:56,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:53:56,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:56,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 20:53:56,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:56,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:53:56,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:56,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:56,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:56,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:53:56,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:56,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:53:56,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:56,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:53:56,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:56,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:53:56,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:56,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 20:53:56,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:56,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:56,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:56,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 20:53:56,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:56,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 20:53:56,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:56,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:56,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 20:53:56,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:56,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:56,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:53:56,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:56,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:56,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:56,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 20:53:56,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:56,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 20:53:56,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:56,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:56,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:56,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:56,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:56,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:53:56,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:56,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:56,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:56,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:53:56,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:56,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:53:56,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:56,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:56,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:56,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:56,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:56,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:53:56,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:56,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:56,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:56,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 20:53:56,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:56,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:53:56,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:56,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:56,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:56,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:56,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:56,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:53:56,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:56,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:56,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:56,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:53:56,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:56,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:53:56,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:56,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:56,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:56,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:56,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:56,874 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-27 20:53:56,875 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1444924170] [2020-10-27 20:53:56,875 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:53:56,875 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-27 20:53:56,875 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638846777] [2020-10-27 20:53:56,877 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 20:53:56,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:53:56,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 20:53:56,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2020-10-27 20:53:56,878 INFO L87 Difference]: Start difference. First operand 646 states and 1015 transitions. Second operand 18 states. [2020-10-27 20:54:00,808 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:54:02,108 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 422 [2020-10-27 20:54:03,619 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 20:54:04,859 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 20:54:06,546 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:54:09,260 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:54:10,514 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 420 [2020-10-27 20:54:11,961 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:54:13,179 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:54:14,404 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:54:15,654 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 20:54:16,945 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 425 [2020-10-27 20:54:39,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:54:39,320 INFO L93 Difference]: Finished difference Result 1590 states and 2627 transitions. [2020-10-27 20:54:39,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-10-27 20:54:39,321 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 127 [2020-10-27 20:54:39,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:54:39,331 INFO L225 Difference]: With dead ends: 1590 [2020-10-27 20:54:39,331 INFO L226 Difference]: Without dead ends: 964 [2020-10-27 20:54:39,336 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 487 ImplicationChecksByTransitivity, 17.3s TimeCoverageRelationStatistics Valid=331, Invalid=1831, Unknown=0, NotChecked=0, Total=2162 [2020-10-27 20:54:39,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2020-10-27 20:54:39,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 675. [2020-10-27 20:54:39,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 675 states. [2020-10-27 20:54:39,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 1046 transitions. [2020-10-27 20:54:39,520 INFO L78 Accepts]: Start accepts. Automaton has 675 states and 1046 transitions. Word has length 127 [2020-10-27 20:54:39,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:54:39,520 INFO L481 AbstractCegarLoop]: Abstraction has 675 states and 1046 transitions. [2020-10-27 20:54:39,520 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 20:54:39,521 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 1046 transitions. [2020-10-27 20:54:39,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-27 20:54:39,524 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:54:39,524 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:54:39,524 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 20:54:39,524 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:54:39,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:54:39,525 INFO L82 PathProgramCache]: Analyzing trace with hash -66759255, now seen corresponding path program 1 times [2020-10-27 20:54:39,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:54:39,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1609926234] [2020-10-27 20:54:39,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:54:39,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:39,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:39,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:39,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:39,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:40,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:40,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:40,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:42,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:43,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:44,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:44,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:44,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-10-27 20:54:44,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 20:54:44,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5171 [2020-10-27 20:54:44,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:44,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:54:44,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 115 [2020-10-27 20:54:44,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:54:44,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:45,955 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-27 20:54:45,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:54:45,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:45,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:46,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:46,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:54:46,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:54:46,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-27 20:54:46,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:46,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:54:46,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:54:46,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:54:46,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:46,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:54:46,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:46,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:46,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:46,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:54:46,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:54:46,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:54:46,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:46,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:54:46,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:54:46,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:54:46,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:46,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:54:46,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:46,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:46,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:46,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:54:46,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:54:46,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:54:46,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:46,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:54:46,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:54:46,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:54:46,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:46,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:54:46,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:46,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:46,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:46,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:54:46,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:54:46,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:54:46,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:46,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:54:46,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:54:46,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:54:46,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:46,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:54:46,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:46,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:46,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:46,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:54:46,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:54:46,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:54:46,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:46,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:54:46,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:54:46,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:54:46,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:46,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 20:54:46,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:46,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:46,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:46,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:54:46,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:54:46,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:54:46,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:46,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:54:46,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:54:46,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:54:46,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:46,314 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 20:54:46,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:54:46,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:46,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:46,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:46,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:46,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:46,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:46,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:46,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:46,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:47,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:51,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:51,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-27 20:54:51,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 20:54:51,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-27 20:54:51,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:51,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:54:51,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-27 20:54:51,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:54:51,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:51,527 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 20:54:51,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:54:51,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:51,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:51,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:51,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:51,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:51,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:51,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:52,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:52,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 20:54:52,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:54:52,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 578 [2020-10-27 20:54:52,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:52,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:54:52,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 20:54:52,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:54:52,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:52,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:54:52,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:52,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:52,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:52,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:52,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 20:54:52,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:54:52,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:54:52,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:52,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:54:52,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:54:52,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:54:52,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:52,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 20:54:52,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:52,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:52,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:52,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 20:54:52,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:54:52,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 20:54:52,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:52,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:54:52,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:54:52,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 20:54:52,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:52,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:54:52,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:52,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:52,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:52,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:54:52,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:54:52,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:54:52,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:52,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:54:52,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:54:52,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 20:54:52,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:52,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:54:52,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:52,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:52,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:52,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:54:52,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:54:52,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:54:52,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:52,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:54:52,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:54:52,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:54:52,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:52,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 20:54:52,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:52,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:52,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:52,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:52,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:52,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:52,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:52,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:53,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:53,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 20:54:53,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 20:54:53,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 747 [2020-10-27 20:54:53,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:53,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:54:53,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 20:54:53,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:54:53,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:53,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:54:53,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:53,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:53,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:53,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:54:53,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:54:53,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:54:53,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:53,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:54:53,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:54:53,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:54:53,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:53,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:54:53,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:53,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:53,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:53,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:53,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:53,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:53,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 20:54:53,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 20:54:53,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 172 [2020-10-27 20:54:53,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:53,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:54:53,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:54:53,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:54:53,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:53,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:54:53,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:53,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:53,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:53,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:53,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 20:54:53,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:54:53,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 20:54:53,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:53,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:54:53,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:54:53,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:54:53,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:53,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:54:53,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:53,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:53,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:53,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:54:53,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:54:53,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:54:53,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:53,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:54:53,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:54:53,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:54:53,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:53,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 20:54:53,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:53,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:53,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:53,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 20:54:53,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:54:53,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 20:54:53,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:53,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:54:53,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 20:54:53,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:54:53,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:53,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:54:53,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:53,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:53,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:53,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 20:54:53,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:54:53,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 20:54:53,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:53,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:54:53,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:54:53,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:54:53,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:53,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:54:53,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:53,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:53,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:53,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:54:53,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:54:53,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:54:53,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:53,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:54:53,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:54:53,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:54:53,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:53,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:54:53,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:53,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:53,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:53,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 20:54:53,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:54:53,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:54:53,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:53,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:54:53,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:54:53,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:54:53,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:53,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:54:53,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:53,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:53,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:53,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:54:53,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:54:53,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:54:53,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:53,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:54:53,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:54:53,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:54:53,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:53,621 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-27 20:54:53,622 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1609926234] [2020-10-27 20:54:53,622 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:54:53,622 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-27 20:54:53,622 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96726694] [2020-10-27 20:54:53,623 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 20:54:53,623 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:54:53,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 20:54:53,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2020-10-27 20:54:53,624 INFO L87 Difference]: Start difference. First operand 675 states and 1046 transitions. Second operand 15 states. [2020-10-27 20:54:56,697 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:54:57,990 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 420 [2020-10-27 20:54:59,337 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:55:00,988 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:55:02,420 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:55:04,506 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 20:55:27,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:55:27,921 INFO L93 Difference]: Finished difference Result 1607 states and 2629 transitions. [2020-10-27 20:55:27,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-27 20:55:27,922 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 131 [2020-10-27 20:55:27,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:55:27,932 INFO L225 Difference]: With dead ends: 1607 [2020-10-27 20:55:27,932 INFO L226 Difference]: Without dead ends: 962 [2020-10-27 20:55:27,936 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=145, Invalid=725, Unknown=0, NotChecked=0, Total=870 [2020-10-27 20:55:27,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2020-10-27 20:55:28,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 679. [2020-10-27 20:55:28,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 679 states. [2020-10-27 20:55:28,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 1045 transitions. [2020-10-27 20:55:28,173 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 1045 transitions. Word has length 131 [2020-10-27 20:55:28,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:55:28,175 INFO L481 AbstractCegarLoop]: Abstraction has 679 states and 1045 transitions. [2020-10-27 20:55:28,175 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 20:55:28,175 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 1045 transitions. [2020-10-27 20:55:28,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-27 20:55:28,179 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:55:28,180 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 20:55:28,180 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 20:55:28,180 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:55:28,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:55:28,181 INFO L82 PathProgramCache]: Analyzing trace with hash -1749746909, now seen corresponding path program 1 times [2020-10-27 20:55:28,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:55:28,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [676373011] [2020-10-27 20:55:28,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:55:28,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:28,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:28,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:28,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:28,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:28,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:28,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:28,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:31,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:32,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:33,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:33,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-27 20:55:33,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 20:55:33,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 20:55:33,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:33,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:55:33,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 116 [2020-10-27 20:55:33,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:55:33,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:34,439 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-27 20:55:34,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:55:34,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:34,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:34,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:34,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:55:34,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:34,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-27 20:55:34,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:34,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:55:34,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:55:34,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:55:34,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:34,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:55:34,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:34,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:34,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:34,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:55:34,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:34,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:55:34,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:34,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:55:34,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:55:34,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:55:34,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:34,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:55:34,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:34,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:34,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:34,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:55:34,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:34,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:55:34,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:34,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:55:34,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:55:34,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:55:34,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:34,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:55:34,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:34,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:34,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:34,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:55:34,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:34,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:55:34,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:34,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:55:34,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:55:34,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:55:34,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:34,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:55:34,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:34,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:34,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:34,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:55:34,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:34,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:55:34,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:34,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:55:34,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:55:34,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:55:34,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:34,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 20:55:34,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:34,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:34,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:34,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:55:34,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:34,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:55:34,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:34,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:55:34,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:55:34,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:55:34,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:34,847 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 20:55:34,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:55:34,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:34,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:34,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:34,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:34,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:34,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:35,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:35,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:35,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:35,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:36,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:39,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:39,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-27 20:55:39,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 20:55:39,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-27 20:55:39,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:39,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:55:39,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-27 20:55:39,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:55:39,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:40,055 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 20:55:40,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:55:40,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:40,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:40,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:40,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:40,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:40,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:41,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:41,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 20:55:41,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 20:55:41,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 971 [2020-10-27 20:55:41,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:41,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:55:41,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 20:55:41,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 20:55:41,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:41,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:55:41,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:41,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:41,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:41,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:41,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 20:55:41,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:55:41,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:55:41,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:41,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:55:41,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:55:41,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:55:41,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:41,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 20:55:41,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:41,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:41,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:41,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:41,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 20:55:41,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:55:41,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-27 20:55:41,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:41,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:55:41,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 20:55:41,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 20:55:41,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:41,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:55:41,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:41,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:41,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:41,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:41,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:55:41,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:55:41,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 20:55:41,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:41,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:55:41,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:55:41,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 20:55:41,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:41,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:55:41,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:41,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:41,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:41,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:55:41,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:41,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:55:41,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:41,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:55:41,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:55:41,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:55:41,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:41,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 20:55:41,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:41,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:41,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:41,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:41,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:41,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:41,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:41,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:41,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:42,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:42,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 20:55:42,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 20:55:42,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 815 [2020-10-27 20:55:42,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:42,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:55:42,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 20:55:42,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:55:42,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:42,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:55:42,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:42,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:42,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:42,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:55:42,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:42,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:55:42,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:42,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:55:42,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:55:42,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:55:42,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:42,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:55:42,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:42,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:42,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:42,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:42,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:42,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:42,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:42,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:42,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 20:55:42,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:55:42,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 177 [2020-10-27 20:55:42,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:42,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:55:42,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:55:42,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:55:42,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:42,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:55:42,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:42,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:42,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:42,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:42,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 20:55:42,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:55:42,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 20:55:42,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:42,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:55:42,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:55:42,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:55:42,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:42,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:55:42,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:42,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:42,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:42,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:55:42,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:42,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:55:42,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:42,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:55:42,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:55:42,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:55:42,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:42,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 20:55:42,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:42,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:42,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:42,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 20:55:42,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:42,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 20:55:42,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:42,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:55:42,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 20:55:42,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:55:42,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:42,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:55:42,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:42,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:42,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:42,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 20:55:42,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:42,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 20:55:42,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:42,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:55:42,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:55:42,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:55:42,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:42,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:55:42,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:42,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:42,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:42,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:55:42,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:42,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:55:42,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:42,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:55:42,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:55:42,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:55:42,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:42,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:55:42,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:42,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:42,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:42,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 20:55:42,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:42,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:55:42,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:42,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:55:42,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:55:42,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:55:42,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:42,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:55:42,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:42,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:42,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:42,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:55:42,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:42,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:55:42,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:42,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:55:42,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:55:42,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:55:42,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:42,567 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-27 20:55:42,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [676373011] [2020-10-27 20:55:42,568 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:55:42,568 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-27 20:55:42,568 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656609799] [2020-10-27 20:55:42,568 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 20:55:42,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:55:42,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 20:55:42,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2020-10-27 20:55:42,569 INFO L87 Difference]: Start difference. First operand 679 states and 1045 transitions. Second operand 16 states. [2020-10-27 20:55:44,967 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:55:46,234 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 420 [2020-10-27 20:55:47,685 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 422 [2020-10-27 20:55:49,351 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 20:55:50,739 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 418