/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_spec14_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 20:47:45,481 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 20:47:45,484 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 20:47:45,539 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 20:47:45,540 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 20:47:45,548 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 20:47:45,550 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 20:47:45,555 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 20:47:45,559 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 20:47:45,565 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 20:47:45,566 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 20:47:45,568 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 20:47:45,568 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 20:47:45,572 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 20:47:45,576 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 20:47:45,579 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 20:47:45,580 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 20:47:45,585 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 20:47:45,592 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 20:47:45,600 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 20:47:45,602 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 20:47:45,604 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 20:47:45,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 20:47:45,609 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 20:47:45,625 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 20:47:45,625 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 20:47:45,626 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 20:47:45,628 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 20:47:45,629 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 20:47:45,630 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 20:47:45,630 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 20:47:45,631 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 20:47:45,633 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 20:47:45,634 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 20:47:45,635 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 20:47:45,635 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 20:47:45,636 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 20:47:45,636 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 20:47:45,636 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 20:47:45,637 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 20:47:45,638 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 20:47:45,646 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 20:47:45,700 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 20:47:45,700 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 20:47:45,705 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 20:47:45,705 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 20:47:45,705 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 20:47:45,706 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 20:47:45,706 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 20:47:45,706 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 20:47:45,706 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 20:47:45,706 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 20:47:45,708 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 20:47:45,708 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 20:47:45,708 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 20:47:45,708 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 20:47:45,708 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 20:47:45,709 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 20:47:45,709 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 20:47:45,709 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 20:47:45,709 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 20:47:45,709 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 20:47:45,710 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 20:47:45,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 20:47:45,710 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 20:47:45,710 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 20:47:45,710 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 20:47:45,711 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 20:47:45,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 20:47:45,711 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 20:47:45,711 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 20:47:45,711 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 20:47:46,111 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 20:47:46,146 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 20:47:46,150 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 20:47:46,151 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 20:47:46,154 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 20:47:46,156 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec14_productSimulator.cil.c [2020-10-27 20:47:46,236 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/157a24064/422c298356094341899a3c79c50cfeeb/FLAGa17abe41c [2020-10-27 20:47:47,048 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 20:47:47,048 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec14_productSimulator.cil.c [2020-10-27 20:47:47,079 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/157a24064/422c298356094341899a3c79c50cfeeb/FLAGa17abe41c [2020-10-27 20:47:47,164 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/157a24064/422c298356094341899a3c79c50cfeeb [2020-10-27 20:47:47,167 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 20:47:47,173 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 20:47:47,175 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 20:47:47,176 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 20:47:47,180 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 20:47:47,181 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:47:47" (1/1) ... [2020-10-27 20:47:47,184 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c20b3e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:47:47, skipping insertion in model container [2020-10-27 20:47:47,185 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:47:47" (1/1) ... [2020-10-27 20:47:47,193 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 20:47:47,264 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 20:47:48,094 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 20:47:48,114 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 20:47:48,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 20:47:48,405 INFO L208 MainTranslator]: Completed translation [2020-10-27 20:47:48,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:47:48 WrapperNode [2020-10-27 20:47:48,408 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 20:47:48,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 20:47:48,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 20:47:48,409 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 20:47:48,423 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:47:48" (1/1) ... [2020-10-27 20:47:48,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:47:48" (1/1) ... [2020-10-27 20:47:48,495 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:47:48" (1/1) ... [2020-10-27 20:47:48,495 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:47:48" (1/1) ... [2020-10-27 20:47:48,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:47:48" (1/1) ... [2020-10-27 20:47:48,601 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:47:48" (1/1) ... [2020-10-27 20:47:48,614 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:47:48" (1/1) ... [2020-10-27 20:47:48,633 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 20:47:48,634 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 20:47:48,635 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 20:47:48,635 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 20:47:48,636 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:47:48" (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 20:47:48,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 20:47:48,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 20:47:48,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 20:47:48,729 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 20:47:48,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification14_spec__1 [2020-10-27 20:47:48,730 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-27 20:47:48,730 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-27 20:47:48,730 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-27 20:47:48,731 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-27 20:47:48,731 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-27 20:47:48,732 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-27 20:47:48,732 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-27 20:47:48,732 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-27 20:47:48,732 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-27 20:47:48,732 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-27 20:47:48,734 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-27 20:47:48,734 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-27 20:47:48,734 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-27 20:47:48,734 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 20:47:48,734 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 20:47:48,734 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 20:47:48,734 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 20:47:48,735 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-27 20:47:48,735 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-27 20:47:48,735 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-27 20:47:48,735 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-27 20:47:48,735 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-27 20:47:48,735 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-27 20:47:48,735 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-27 20:47:48,735 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-27 20:47:48,736 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 20:47:48,736 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-27 20:47:48,736 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-27 20:47:48,736 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-27 20:47:48,736 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 20:47:48,736 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-27 20:47:48,736 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 20:47:48,736 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 20:47:48,737 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 20:47:48,737 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 20:47:48,737 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-27 20:47:48,737 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-27 20:47:48,737 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked__before__overloaded [2020-10-27 20:47:48,737 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked__role__overloaded [2020-10-27 20:47:48,737 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-27 20:47:48,738 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__before__weight [2020-10-27 20:47:48,738 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__role__weight [2020-10-27 20:47:48,738 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-27 20:47:48,738 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__before__weight [2020-10-27 20:47:48,738 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__role__weight [2020-10-27 20:47:48,738 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__before__empty [2020-10-27 20:47:48,738 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__role__empty [2020-10-27 20:47:48,739 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-27 20:47:48,739 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-27 20:47:48,739 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-27 20:47:48,740 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-27 20:47:48,740 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-27 20:47:48,740 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-27 20:47:48,740 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-27 20:47:48,740 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-27 20:47:48,741 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-27 20:47:48,741 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-27 20:47:48,741 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__before__twothirdsfull [2020-10-27 20:47:48,741 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__role__twothirdsfull [2020-10-27 20:47:48,741 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__before__executivefloor [2020-10-27 20:47:48,741 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__role__executivefloor [2020-10-27 20:47:48,741 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-27 20:47:48,741 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-27 20:47:48,742 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-27 20:47:48,742 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__before__twothirdsfull [2020-10-27 20:47:48,742 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__role__twothirdsfull [2020-10-27 20:47:48,742 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__before__executivefloor [2020-10-27 20:47:48,744 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__role__executivefloor [2020-10-27 20:47:48,744 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-27 20:47:48,745 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-27 20:47:48,745 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-27 20:47:48,745 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__before__overloaded [2020-10-27 20:47:48,745 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__role__overloaded [2020-10-27 20:47:48,745 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 20:47:48,745 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__before__overloaded [2020-10-27 20:47:48,746 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__role__overloaded [2020-10-27 20:47:48,746 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-27 20:47:48,747 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-27 20:47:48,747 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-27 20:47:48,747 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-27 20:47:48,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 20:47:48,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 20:47:48,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 20:47:48,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 20:47:48,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 20:47:48,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 20:47:48,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 20:47:48,748 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 20:47:48,748 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 20:47:48,748 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 20:47:48,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 20:47:48,749 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 20:47:48,749 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 20:47:48,749 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-27 20:47:48,749 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-27 20:47:48,749 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-27 20:47:48,750 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-27 20:47:48,750 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification14_spec__1 [2020-10-27 20:47:48,750 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-27 20:47:48,750 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-27 20:47:48,750 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-27 20:47:48,750 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-27 20:47:48,750 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-27 20:47:48,751 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-27 20:47:48,751 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-27 20:47:48,751 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-27 20:47:48,752 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-27 20:47:48,752 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-27 20:47:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-27 20:47:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 20:47:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-27 20:47:48,754 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-27 20:47:48,755 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-27 20:47:48,755 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-27 20:47:48,755 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-27 20:47:48,755 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-27 20:47:48,755 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 20:47:48,755 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 20:47:48,755 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 20:47:48,756 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 20:47:48,756 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 20:47:48,756 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-27 20:47:48,756 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-27 20:47:48,756 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-27 20:47:48,757 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-27 20:47:48,758 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-27 20:47:48,759 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-27 20:47:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-27 20:47:48,762 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-27 20:47:48,762 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-27 20:47:48,762 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 20:47:48,762 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-27 20:47:48,763 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-27 20:47:48,764 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-27 20:47:48,765 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 20:47:48,765 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-27 20:47:48,765 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 20:47:48,765 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 20:47:48,771 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 20:47:48,771 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 20:47:48,771 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 20:47:48,771 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-27 20:47:48,772 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-27 20:47:48,772 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-27 20:47:48,772 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-27 20:47:48,772 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked__before__overloaded [2020-10-27 20:47:48,772 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked__role__overloaded [2020-10-27 20:47:48,772 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__before__weight [2020-10-27 20:47:48,772 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__role__weight [2020-10-27 20:47:48,773 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__before__weight [2020-10-27 20:47:48,773 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__role__weight [2020-10-27 20:47:48,773 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__before__empty [2020-10-27 20:47:48,774 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__role__empty [2020-10-27 20:47:48,774 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-27 20:47:48,774 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-27 20:47:48,774 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-27 20:47:48,774 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-27 20:47:48,775 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-27 20:47:48,775 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__before__twothirdsfull [2020-10-27 20:47:48,775 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__role__twothirdsfull [2020-10-27 20:47:48,775 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__before__executivefloor [2020-10-27 20:47:48,775 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__role__executivefloor [2020-10-27 20:47:48,775 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-27 20:47:48,775 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-27 20:47:48,775 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__before__twothirdsfull [2020-10-27 20:47:48,776 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__role__twothirdsfull [2020-10-27 20:47:48,776 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__before__executivefloor [2020-10-27 20:47:48,776 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__role__executivefloor [2020-10-27 20:47:48,776 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-27 20:47:48,776 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-27 20:47:48,776 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-27 20:47:48,776 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__before__overloaded [2020-10-27 20:47:48,777 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__role__overloaded [2020-10-27 20:47:48,777 INFO L130 BoogieDeclarations]: Found specification of procedure printState__before__overloaded [2020-10-27 20:47:48,777 INFO L130 BoogieDeclarations]: Found specification of procedure printState__role__overloaded [2020-10-27 20:47:48,777 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-27 20:47:48,777 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 20:47:48,777 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 20:47:48,777 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 20:47:48,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 20:47:48,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 20:47:48,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 20:47:48,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 20:47:48,778 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 20:47:48,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 20:47:48,778 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 20:47:48,779 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 20:47:48,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 20:47:48,779 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 20:47:48,779 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 20:47:48,779 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 20:47:48,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 20:47:48,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 20:47:48,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 20:47:51,434 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 20:47:51,434 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-27 20:47:51,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:47:51 BoogieIcfgContainer [2020-10-27 20:47:51,438 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 20:47:51,440 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 20:47:51,440 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 20:47:51,443 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 20:47:51,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 08:47:47" (1/3) ... [2020-10-27 20:47:51,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d2f8ccf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:47:51, skipping insertion in model container [2020-10-27 20:47:51,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:47:48" (2/3) ... [2020-10-27 20:47:51,445 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d2f8ccf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:47:51, skipping insertion in model container [2020-10-27 20:47:51,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:47:51" (3/3) ... [2020-10-27 20:47:51,446 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec14_productSimulator.cil.c [2020-10-27 20:47:51,459 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 20:47:51,465 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 20:47:51,478 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 20:47:51,511 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 20:47:51,511 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 20:47:51,511 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 20:47:51,512 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 20:47:51,512 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 20:47:51,512 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 20:47:51,512 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 20:47:51,512 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 20:47:51,550 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states. [2020-10-27 20:47:51,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-27 20:47:51,572 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:47:51,573 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:47:51,573 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 20:47:51,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:47:51,580 INFO L82 PathProgramCache]: Analyzing trace with hash -787511263, now seen corresponding path program 1 times [2020-10-27 20:47:51,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:47:51,591 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [139880036] [2020-10-27 20:47:51,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:47:52,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:47:52,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:52,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:52,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:53,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:55,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:57,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:47:57,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-27 20:47:57,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 20:47:57,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-10-27 20:47:57,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:47:57,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:47:57,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-27 20:47:57,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:47:57,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 20:47:58,367 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 424 [2020-10-27 20:47:58,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:47:58,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:47:58,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:58,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:47:58,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:47:58,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:47:58,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-10-27 20:47:58,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:47:58,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:47:58,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:47:58,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:47:58,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:47:58,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:47:58,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:47:58,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:58,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:47:58,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:47:58,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:47:58,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:47:58,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:47:58,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:47:58,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:47:58,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:47:58,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:47:58,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 20:47:58,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:47:58,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:58,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:47:58,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 20:47:58,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:47:58,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 20:47:58,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:47:58,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:47:58,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:47:58,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:47:58,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:47:58,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:47:58,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:47:58,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:58,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:47:58,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:47:58,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:47:58,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:47:58,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:47:58,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:47:58,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:47:58,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:47:58,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:47:58,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 20:47:58,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:47:58,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:58,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:47:58,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:47:58,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:47:58,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:47:58,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:47:58,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:47:58,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:47:58,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:47:58,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:47:58,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 20:47:58,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:47:58,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:58,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:47:58,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:47:58,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:47:58,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:47:58,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:47:58,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:47:58,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:47:58,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:47:58,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:47:58,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 20:47:58,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:47:58,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:58,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:47:58,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:47:58,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:47:58,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:47:58,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:47:58,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:47:58,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:47:58,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:47:58,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:47:58,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 20:47:58,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:47:58,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:58,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:47:58,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:47:58,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:47:58,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:47:58,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:47:58,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:47:58,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:47:58,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:47:58,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 20:47:58,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 20:47:58,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:47:58,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:58,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:47:58,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:47:58,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:47:58,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:47:58,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:47:58,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:47:58,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:47:58,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:47:58,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:47:58,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 20:47:58,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:47:58,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:58,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:47:58,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:47:58,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:47:58,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:47:58,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:47:58,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:47:58,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:47:58,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:47:58,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 20:47:58,870 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 20:47:58,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 20:47:58,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:47:58,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:58,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:58,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:58,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:59,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:47:59,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 20:47:59,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 20:47:59,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 692 [2020-10-27 20:47:59,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:47:59,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:47:59,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 20:47:59,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:47:59,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:47:59,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:47:59,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:47:59,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:59,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:59,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:47:59,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:47:59,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:47:59,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:47:59,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:47:59,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:47:59,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:47:59,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:47:59,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 20:47:59,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 20:47:59,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:47:59,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:59,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:47:59,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 20:47:59,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:47:59,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 20:47:59,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:47:59,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:47:59,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:47:59,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 20:47:59,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:47:59,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 20:47:59,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:47:59,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:59,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:47:59,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:47:59,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:47:59,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 20:47:59,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:47:59,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:47:59,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:47:59,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:47:59,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:00,041 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-27 20:48:00,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-27 20:48:00,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:00,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:00,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:00,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 20:48:00,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:00,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 20:48:00,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:00,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:00,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 20:48:00,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:00,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:00,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:48:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:00,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:00,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:00,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:48:00,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:00,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:48:00,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:00,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:00,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:00,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:00,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:00,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 20:48:00,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:00,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:00,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:00,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:48:00,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:00,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:48:00,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:00,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:00,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 20:48:00,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:00,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:00,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:48:00,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:00,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:00,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:00,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:48:00,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:00,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:48:00,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:00,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:00,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:00,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:00,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:00,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 20:48:00,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:00,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:00,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:00,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:48:00,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:00,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:48:00,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:00,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:00,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:48:00,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:00,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:00,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 20:48:00,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:00,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:00,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:00,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:48:00,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:00,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:48:00,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:00,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:00,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:48:00,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:00,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:00,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-27 20:48:00,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:00,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:00,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:00,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:48:00,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:00,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:48:00,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:00,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:00,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:48:00,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:00,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:00,241 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-27 20:48:00,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [139880036] [2020-10-27 20:48:00,244 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:48:00,244 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-27 20:48:00,245 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155539258] [2020-10-27 20:48:00,252 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 20:48:00,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:48:00,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 20:48:00,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-27 20:48:00,270 INFO L87 Difference]: Start difference. First operand 894 states. Second operand 12 states. [2020-10-27 20:48:01,313 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-27 20:48:01,734 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-27 20:48:03,631 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 427 [2020-10-27 20:48:04,871 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 429 [2020-10-27 20:48:06,371 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 427 [2020-10-27 20:48:08,148 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 20:48:20,845 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 427 [2020-10-27 20:48:22,740 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 427 [2020-10-27 20:48:24,030 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 429 [2020-10-27 20:48:32,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:48:32,443 INFO L93 Difference]: Finished difference Result 1761 states and 2901 transitions. [2020-10-27 20:48:32,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-27 20:48:32,445 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 121 [2020-10-27 20:48:32,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:48:32,493 INFO L225 Difference]: With dead ends: 1761 [2020-10-27 20:48:32,494 INFO L226 Difference]: Without dead ends: 1032 [2020-10-27 20:48:32,504 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=195, Invalid=507, Unknown=0, NotChecked=0, Total=702 [2020-10-27 20:48:32,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1032 states. [2020-10-27 20:48:32,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1032 to 775. [2020-10-27 20:48:32,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 775 states. [2020-10-27 20:48:32,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 775 states and 1207 transitions. [2020-10-27 20:48:32,919 INFO L78 Accepts]: Start accepts. Automaton has 775 states and 1207 transitions. Word has length 121 [2020-10-27 20:48:32,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:48:32,920 INFO L481 AbstractCegarLoop]: Abstraction has 775 states and 1207 transitions. [2020-10-27 20:48:32,920 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 20:48:32,920 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 1207 transitions. [2020-10-27 20:48:32,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-27 20:48:32,929 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:48:32,930 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:48:32,930 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 20:48:32,930 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 20:48:32,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:48:32,931 INFO L82 PathProgramCache]: Analyzing trace with hash -1722902170, now seen corresponding path program 1 times [2020-10-27 20:48:32,931 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:48:32,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [574614429] [2020-10-27 20:48:32,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:48:33,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:33,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:33,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:33,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:33,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:36,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:36,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:38,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:38,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-27 20:48:38,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:48:38,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5049 [2020-10-27 20:48:38,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:38,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:48:38,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-10-27 20:48:38,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:48:38,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:39,409 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 424 [2020-10-27 20:48:39,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:48:39,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:39,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:39,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:39,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:48:39,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:39,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-27 20:48:39,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:39,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:39,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:39,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:39,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:39,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:48:39,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:39,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:39,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:39,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:48:39,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:39,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:48:39,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:39,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:39,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:39,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:39,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:39,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 20:48:39,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:39,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:39,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:39,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 20:48:39,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:39,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 20:48:39,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:39,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:39,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:39,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:39,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:39,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:48:39,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:39,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:39,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:39,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:48:39,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:39,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:48:39,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:39,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:39,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:39,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:39,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:39,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 20:48:39,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:39,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:39,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:39,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:48:39,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:39,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:48:39,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:39,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:39,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:39,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:39,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:39,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 20:48:39,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:39,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:39,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:39,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:48:39,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:39,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:48:39,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:39,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:39,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:39,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:39,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:39,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 20:48:39,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:39,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:39,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:39,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:48:39,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:39,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:48:39,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:39,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:39,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:39,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:39,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:48:39,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 20:48:39,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:39,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:39,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:39,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:48:39,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:39,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:48:39,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:39,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:39,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:39,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:39,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:39,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 20:48:39,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:39,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:39,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:39,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:48:39,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:39,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:48:39,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:39,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:39,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:39,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:39,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:39,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 20:48:39,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:39,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:39,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:39,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:48:39,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:39,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:48:39,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:39,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:39,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:39,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:39,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:39,767 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 20:48:39,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 20:48:39,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:39,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:39,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:39,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:39,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:40,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:40,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 20:48:40,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 20:48:40,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 402 [2020-10-27 20:48:40,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:40,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:48:40,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 20:48:40,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:48:40,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:40,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:48:40,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:40,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:40,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:40,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:40,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:48:40,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:48:40,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 20:48:40,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:40,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:48:40,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:48:40,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:48:40,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:40,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:48:40,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:40,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:40,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:40,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 20:48:40,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:40,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 20:48:40,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:40,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:48:40,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:48:40,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 20:48:40,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:40,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 20:48:40,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:40,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:40,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:40,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:48:40,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:40,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:48:40,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:40,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:48:40,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:40,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:48:40,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:40,578 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-27 20:48:40,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-27 20:48:40,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:40,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:40,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:40,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 20:48:40,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:40,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 20:48:40,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:40,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:40,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 20:48:40,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:40,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:40,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:48:40,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:40,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:40,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:40,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:48:40,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:40,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:48:40,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:40,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:40,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:40,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:40,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:40,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 20:48:40,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:40,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:40,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:40,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:48:40,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:40,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:48:40,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:40,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:40,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 20:48:40,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:40,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:40,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:48:40,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:40,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:40,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:40,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:48:40,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:40,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:48:40,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:40,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:40,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:40,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:40,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:40,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-27 20:48:40,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:40,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:40,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:40,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:48:40,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:40,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:48:40,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:40,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:40,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:48:40,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:40,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:40,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 20:48:40,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:40,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:40,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:40,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:48:40,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:40,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:48:40,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:40,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:40,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:48:40,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:40,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:40,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-27 20:48:40,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:40,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:40,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:40,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:48:40,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:40,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:48:40,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:40,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:40,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:48:40,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:40,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:40,705 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-27 20:48:40,706 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [574614429] [2020-10-27 20:48:40,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:48:40,706 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-27 20:48:40,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099909263] [2020-10-27 20:48:40,708 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 20:48:40,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:48:40,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 20:48:40,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-27 20:48:40,709 INFO L87 Difference]: Start difference. First operand 775 states and 1207 transitions. Second operand 12 states. [2020-10-27 20:48:41,746 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-27 20:48:42,113 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-27 20:48:43,951 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 427 [2020-10-27 20:48:45,229 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 429 [2020-10-27 20:48:46,623 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 427 [2020-10-27 20:48:48,220 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 20:49:07,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:49:07,476 INFO L93 Difference]: Finished difference Result 1766 states and 2893 transitions. [2020-10-27 20:49:07,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-27 20:49:07,477 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 123 [2020-10-27 20:49:07,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:49:07,489 INFO L225 Difference]: With dead ends: 1766 [2020-10-27 20:49:07,490 INFO L226 Difference]: Without dead ends: 1032 [2020-10-27 20:49:07,495 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2020-10-27 20:49:07,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1032 states. [2020-10-27 20:49:07,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1032 to 775. [2020-10-27 20:49:07,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 775 states. [2020-10-27 20:49:07,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 775 states and 1195 transitions. [2020-10-27 20:49:07,779 INFO L78 Accepts]: Start accepts. Automaton has 775 states and 1195 transitions. Word has length 123 [2020-10-27 20:49:07,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:49:07,780 INFO L481 AbstractCegarLoop]: Abstraction has 775 states and 1195 transitions. [2020-10-27 20:49:07,780 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 20:49:07,780 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 1195 transitions. [2020-10-27 20:49:07,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-27 20:49:07,783 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:49:07,784 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:49:07,784 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 20:49:07,784 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 20:49:07,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:49:07,785 INFO L82 PathProgramCache]: Analyzing trace with hash 1211110560, now seen corresponding path program 1 times [2020-10-27 20:49:07,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:49:07,785 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1559245544] [2020-10-27 20:49:07,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:49:07,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:07,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:08,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:08,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:08,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:08,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:09,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:12,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:12,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-27 20:49:12,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:49:12,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-10-27 20:49:12,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:12,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:49:12,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-10-27 20:49:12,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:49:12,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:14,203 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 424 [2020-10-27 20:49:14,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:49:14,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:14,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:14,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:14,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:49:14,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:14,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-27 20:49:14,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:14,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:14,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:49:14,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:14,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:14,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:49:14,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:14,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:14,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:14,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:49:14,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:14,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:49:14,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:14,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:14,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:49:14,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:14,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:14,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 20:49:14,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:14,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:14,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:14,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 20:49:14,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:14,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 20:49:14,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:14,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:14,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:49:14,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:14,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:14,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:49:14,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:14,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:14,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:14,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:49:14,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:14,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:49:14,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:14,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:14,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:49:14,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:14,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:14,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 20:49:14,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:14,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:14,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:14,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:49:14,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:14,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:49:14,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:14,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:14,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:49:14,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:14,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:14,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 20:49:14,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:14,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:14,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:14,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:49:14,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:14,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 20:49:14,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:14,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:14,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:49:14,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:14,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:14,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 20:49:14,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:14,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:14,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:14,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:49:14,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:14,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:49:14,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:14,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:14,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:49:14,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:14,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:14,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 20:49:14,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:14,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:14,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:14,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:49:14,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:14,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:49:14,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:14,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:14,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:49:14,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:14,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:14,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 20:49:14,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:14,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:14,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:14,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:49:14,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:14,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:49:14,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:14,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:14,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:49:14,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:14,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:14,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 20:49:14,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:14,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:14,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:14,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:49:14,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:14,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:49:14,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:14,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:14,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:49:14,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:14,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:14,541 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 20:49:14,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 20:49:14,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:14,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:14,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:14,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:14,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:14,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:14,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 20:49:14,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 20:49:14,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 364 [2020-10-27 20:49:14,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:14,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:49:14,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 20:49:14,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:49:14,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:14,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:49:14,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:14,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:14,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:14,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:14,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:49:14,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:49:14,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:49:14,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:14,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:49:14,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:49:14,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:49:14,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:14,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:49:14,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:14,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:14,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:14,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 20:49:14,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:14,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 20:49:14,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:14,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:49:14,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:49:14,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 20:49:14,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:15,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 20:49:15,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:15,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:15,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:15,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:49:15,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:15,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:49:15,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:15,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:49:15,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:49:15,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:49:15,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:15,324 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-27 20:49:15,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 20:49:15,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:15,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:15,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:15,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 20:49:15,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:15,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 20:49:15,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:15,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:15,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 20:49:15,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:15,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:15,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:49:15,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:15,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:15,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:15,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:49:15,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:15,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:49:15,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:15,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:15,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:49:15,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:15,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:15,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-27 20:49:15,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:15,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:15,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:15,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:49:15,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:15,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:49:15,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:15,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:15,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 20:49:15,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:15,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:15,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:49:15,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:15,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:15,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:15,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:49:15,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:15,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:49:15,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:15,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:15,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:49:15,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:15,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:15,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 20:49:15,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:15,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:15,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:15,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:49:15,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:15,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:49:15,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:15,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:15,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:49:15,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:15,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:15,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-27 20:49:15,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:15,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:15,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:15,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:49:15,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:15,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:49:15,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:15,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:15,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:49:15,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:15,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:15,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-27 20:49:15,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:15,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:15,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:15,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:49:15,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:15,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:49:15,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:15,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:15,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:49:15,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:15,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:15,432 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-27 20:49:15,433 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1559245544] [2020-10-27 20:49:15,433 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:49:15,433 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-27 20:49:15,434 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448781698] [2020-10-27 20:49:15,434 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 20:49:15,435 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:49:15,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 20:49:15,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-27 20:49:15,435 INFO L87 Difference]: Start difference. First operand 775 states and 1195 transitions. Second operand 12 states. [2020-10-27 20:49:16,489 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-27 20:49:16,890 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-27 20:49:18,652 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 427 [2020-10-27 20:49:19,946 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 429 [2020-10-27 20:49:21,326 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 427 [2020-10-27 20:49:22,913 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 20:49:35,845 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 427 [2020-10-27 20:49:37,103 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 429 [2020-10-27 20:49:45,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:49:45,158 INFO L93 Difference]: Finished difference Result 1761 states and 2863 transitions. [2020-10-27 20:49:45,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-27 20:49:45,160 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 125 [2020-10-27 20:49:45,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:49:45,171 INFO L225 Difference]: With dead ends: 1761 [2020-10-27 20:49:45,171 INFO L226 Difference]: Without dead ends: 1032 [2020-10-27 20:49:45,176 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 8.8s TimeCoverageRelationStatistics Valid=180, Invalid=470, Unknown=0, NotChecked=0, Total=650 [2020-10-27 20:49:45,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1032 states. [2020-10-27 20:49:45,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1032 to 775. [2020-10-27 20:49:45,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 775 states. [2020-10-27 20:49:45,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 775 states and 1188 transitions. [2020-10-27 20:49:45,454 INFO L78 Accepts]: Start accepts. Automaton has 775 states and 1188 transitions. Word has length 125 [2020-10-27 20:49:45,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:49:45,455 INFO L481 AbstractCegarLoop]: Abstraction has 775 states and 1188 transitions. [2020-10-27 20:49:45,455 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 20:49:45,455 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 1188 transitions. [2020-10-27 20:49:45,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-27 20:49:45,458 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:49:45,458 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:49:45,458 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 20:49:45,459 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 20:49:45,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:49:45,459 INFO L82 PathProgramCache]: Analyzing trace with hash -1275894275, now seen corresponding path program 1 times [2020-10-27 20:49:45,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:49:45,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1445084397] [2020-10-27 20:49:45,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:49:45,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:45,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:45,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:45,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:45,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:47,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:48,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:50,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:50,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-10-27 20:49:50,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:49:50,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-27 20:49:50,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:50,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:49:50,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-27 20:49:50,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:49:50,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:51,973 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 424 [2020-10-27 20:49:51,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:49:51,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:51,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:52,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:52,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:49:52,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:52,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 20:49:52,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:52,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:52,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:49:52,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:52,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:52,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:49:52,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:52,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:52,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:52,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:49:52,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:52,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:49:52,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:52,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:52,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:49:52,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:52,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:52,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 20:49:52,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:52,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:52,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:52,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 20:49:52,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:52,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 20:49:52,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:52,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:52,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:49:52,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:52,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:52,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:49:52,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:52,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:52,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:52,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:49:52,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:52,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:49:52,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:52,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:52,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:49:52,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:52,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:52,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 20:49:52,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:52,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:52,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:52,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:49:52,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:52,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:49:52,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:52,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:52,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:49:52,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:52,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:52,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 20:49:52,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:52,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:52,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:52,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:49:52,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:52,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:49:52,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:52,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:52,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:49:52,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:52,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:52,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 20:49:52,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:52,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:52,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:52,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:49:52,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:52,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:49:52,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:52,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:52,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:49:52,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:52,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:52,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 20:49:52,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:52,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:52,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:52,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:49:52,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:52,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:49:52,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:52,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:52,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:49:52,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:52,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:52,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 20:49:52,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:52,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:52,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:52,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:49:52,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:52,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:49:52,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:52,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:52,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:49:52,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:52,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:52,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 20:49:52,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:52,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:52,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:52,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:49:52,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:52,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:49:52,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:52,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:52,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:49:52,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:52,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:52,280 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 20:49:52,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 20:49:52,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:52,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:52,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:52,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:52,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:52,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:52,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-27 20:49:52,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 20:49:52,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 538 [2020-10-27 20:49:52,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:52,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:49:52,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 20:49:52,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:49:52,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:52,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:49:52,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:52,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:52,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:52,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:52,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 20:49:52,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:49:52,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:49:52,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:52,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:49:52,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:49:52,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:49:52,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:52,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 20:49:52,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:52,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:52,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:52,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 20:49:52,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:52,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 20:49:52,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:52,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:49:52,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:49:52,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 20:49:52,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:52,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:49:52,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:52,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:52,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:52,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:49:52,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:52,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:49:52,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:52,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:49:52,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:49:52,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:49:52,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:53,252 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-27 20:49:53,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 20:49:53,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:53,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:53,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:53,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 20:49:53,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:53,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 20:49:53,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:53,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:53,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 20:49:53,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:53,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:53,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:49:53,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:53,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:53,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:53,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:49:53,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:53,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:49:53,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:53,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:53,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:49:53,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:53,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:53,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-27 20:49:53,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:53,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:53,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:53,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:49:53,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:53,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:49:53,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:53,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:53,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 20:49:53,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:53,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:53,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:49:53,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:53,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:53,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:53,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:49:53,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:53,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:49:53,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:53,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:53,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:49:53,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:53,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:53,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 20:49:53,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:53,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:53,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:53,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:49:53,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:53,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:49:53,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:53,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:53,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:49:53,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:53,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:53,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-27 20:49:53,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:53,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:53,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:53,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:49:53,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:53,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 20:49:53,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:53,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:53,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:49:53,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:53,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:53,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-27 20:49:53,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:53,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:53,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:53,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:49:53,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:53,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:49:53,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:53,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:53,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:49:53,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:53,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:53,383 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-27 20:49:53,383 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1445084397] [2020-10-27 20:49:53,384 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:49:53,384 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-27 20:49:53,384 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152534421] [2020-10-27 20:49:53,384 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 20:49:53,385 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:49:53,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 20:49:53,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-27 20:49:53,386 INFO L87 Difference]: Start difference. First operand 775 states and 1188 transitions. Second operand 12 states. [2020-10-27 20:49:54,812 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-27 20:49:55,201 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-27 20:49:56,959 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 427 [2020-10-27 20:49:58,271 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 429 [2020-10-27 20:49:59,641 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 427 [2020-10-27 20:50:01,315 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 20:50:15,413 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 427 [2020-10-27 20:50:16,718 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 429 [2020-10-27 20:50:27,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:50:27,169 INFO L93 Difference]: Finished difference Result 1761 states and 2850 transitions. [2020-10-27 20:50:27,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-27 20:50:27,170 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 127 [2020-10-27 20:50:27,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:50:27,179 INFO L225 Difference]: With dead ends: 1761 [2020-10-27 20:50:27,179 INFO L226 Difference]: Without dead ends: 1032 [2020-10-27 20:50:27,184 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=180, Invalid=470, Unknown=0, NotChecked=0, Total=650 [2020-10-27 20:50:27,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1032 states. [2020-10-27 20:50:27,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1032 to 775. [2020-10-27 20:50:27,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 775 states. [2020-10-27 20:50:27,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 775 states and 1181 transitions. [2020-10-27 20:50:27,455 INFO L78 Accepts]: Start accepts. Automaton has 775 states and 1181 transitions. Word has length 127 [2020-10-27 20:50:27,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:50:27,455 INFO L481 AbstractCegarLoop]: Abstraction has 775 states and 1181 transitions. [2020-10-27 20:50:27,455 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 20:50:27,455 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 1181 transitions. [2020-10-27 20:50:27,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-27 20:50:27,458 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:50:27,458 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:50:27,459 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 20:50:27,459 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 20:50:27,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:50:27,459 INFO L82 PathProgramCache]: Analyzing trace with hash 1553406829, now seen corresponding path program 1 times [2020-10-27 20:50:27,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:50:27,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [912303348] [2020-10-27 20:50:27,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:50:27,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:27,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:27,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:27,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:27,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:28,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:32,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:32,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-10-27 20:50:32,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 20:50:32,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 20:50:32,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:32,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:50:32,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 100 [2020-10-27 20:50:32,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:50:32,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:33,797 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 424 [2020-10-27 20:50:33,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:50:33,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:33,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:33,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:33,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:50:33,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:33,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-27 20:50:33,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:33,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:33,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:33,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:33,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:33,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:50:33,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:33,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:33,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:33,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:50:33,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:33,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:50:33,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:33,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:33,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:33,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:33,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:33,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 20:50:33,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:33,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:33,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:33,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 20:50:33,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:33,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 20:50:33,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:33,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:33,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:33,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:33,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:50:33,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:50:33,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:33,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:33,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:33,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:50:33,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:33,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:50:33,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:33,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:33,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:33,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:33,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:33,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 20:50:33,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:33,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:33,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:33,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:50:33,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:33,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:50:33,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:33,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:33,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:33,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:33,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:33,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 20:50:33,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:33,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:33,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:33,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:50:33,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:33,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:50:33,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:33,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:33,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:33,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:33,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:33,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 20:50:33,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:33,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:33,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:33,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:50:33,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:33,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:50:33,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:33,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:33,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:33,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:33,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:33,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 20:50:33,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:33,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:33,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:33,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:50:33,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:33,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:50:33,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:33,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:33,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:33,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:33,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:33,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 20:50:33,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:33,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:33,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:33,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:50:33,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:33,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:50:33,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:33,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:33,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:33,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:33,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:33,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 20:50:33,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:33,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:33,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:33,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:50:33,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:33,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:50:33,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:33,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:33,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:33,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:33,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:34,114 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 20:50:34,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 20:50:34,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:34,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:34,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:34,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:34,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:34,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 20:50:34,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 20:50:34,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 497 [2020-10-27 20:50:34,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:34,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:50:34,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 20:50:34,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:50:34,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:34,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:50:34,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:34,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:34,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:34,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:34,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 20:50:34,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:50:34,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 20:50:34,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:34,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:50:34,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:50:34,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:50:34,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:34,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 20:50:34,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:34,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:34,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:34,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 20:50:34,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:34,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 20:50:34,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:34,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:50:34,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 20:50:34,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:50:34,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:34,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:50:34,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:34,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:34,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:34,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:50:34,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:34,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:50:34,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:34,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:50:34,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:50:34,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:50:34,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:35,080 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-27 20:50:35,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-27 20:50:35,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:35,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:35,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:35,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 20:50:35,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:35,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 20:50:35,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:35,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:35,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 20:50:35,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:35,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:35,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:50:35,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:35,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:35,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:35,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:50:35,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:35,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:50:35,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:35,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:35,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:35,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:35,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:50:35,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-27 20:50:35,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:35,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:35,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:35,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:50:35,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:35,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:50:35,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:35,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:35,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 20:50:35,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:35,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:35,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:50:35,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:35,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:35,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:35,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:50:35,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:35,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:50:35,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:35,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:35,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:35,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:35,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:35,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 20:50:35,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:35,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:35,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:35,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:50:35,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:35,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:50:35,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:35,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:35,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:50:35,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:35,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:35,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-27 20:50:35,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:35,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:35,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:35,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:50:35,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:35,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:50:35,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:35,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:35,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:50:35,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:35,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:35,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 20:50:35,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:35,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:35,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:35,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:50:35,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:35,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:50:35,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:35,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:35,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:50:35,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:35,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:35,212 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-27 20:50:35,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [912303348] [2020-10-27 20:50:35,213 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:50:35,213 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 20:50:35,214 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447491228] [2020-10-27 20:50:35,215 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 20:50:35,215 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:50:35,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 20:50:35,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-10-27 20:50:35,216 INFO L87 Difference]: Start difference. First operand 775 states and 1181 transitions. Second operand 13 states. [2020-10-27 20:50:35,996 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-27 20:50:36,406 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-27 20:50:38,364 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 427 [2020-10-27 20:50:39,676 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 429 [2020-10-27 20:50:41,188 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 428 [2020-10-27 20:50:42,645 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 428 [2020-10-27 20:50:43,953 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 20:50:57,987 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 427 [2020-10-27 20:51:08,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:51:08,776 INFO L93 Difference]: Finished difference Result 1772 states and 2863 transitions. [2020-10-27 20:51:08,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-27 20:51:08,778 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 128 [2020-10-27 20:51:08,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:51:08,787 INFO L225 Difference]: With dead ends: 1772 [2020-10-27 20:51:08,787 INFO L226 Difference]: Without dead ends: 1050 [2020-10-27 20:51:08,791 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 9.1s TimeCoverageRelationStatistics Valid=171, Invalid=531, Unknown=0, NotChecked=0, Total=702 [2020-10-27 20:51:08,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1050 states. [2020-10-27 20:51:09,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1050 to 779. [2020-10-27 20:51:09,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 779 states. [2020-10-27 20:51:09,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 779 states and 1187 transitions. [2020-10-27 20:51:09,038 INFO L78 Accepts]: Start accepts. Automaton has 779 states and 1187 transitions. Word has length 128 [2020-10-27 20:51:09,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:51:09,039 INFO L481 AbstractCegarLoop]: Abstraction has 779 states and 1187 transitions. [2020-10-27 20:51:09,039 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 20:51:09,039 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 1187 transitions. [2020-10-27 20:51:09,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-10-27 20:51:09,041 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:51:09,042 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:51:09,042 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 20:51:09,042 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:51:09,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:51:09,043 INFO L82 PathProgramCache]: Analyzing trace with hash 1298956052, now seen corresponding path program 1 times [2020-10-27 20:51:09,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:51:09,043 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1671640233] [2020-10-27 20:51:09,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:51:09,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:09,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:09,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:09,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:09,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:12,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:12,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:14,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:14,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-10-27 20:51:14,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:51:14,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 20:51:14,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:14,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:51:14,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 98 [2020-10-27 20:51:14,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:51:14,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:15,352 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 424 [2020-10-27 20:51:15,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:51:15,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:15,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:15,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:15,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:51:15,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:15,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 20:51:15,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:15,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:15,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:15,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:15,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:15,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:51:15,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:15,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:15,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:15,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:51:15,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:15,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:51:15,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:15,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:15,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:15,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:15,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:15,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 20:51:15,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:15,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:15,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:15,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 20:51:15,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:15,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 20:51:15,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:15,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:15,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:15,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:15,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:15,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:51:15,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:15,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:15,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:15,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:51:15,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:15,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:51:15,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:15,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:15,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:15,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:15,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:15,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 20:51:15,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:15,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:15,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:15,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:51:15,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:15,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:51:15,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:15,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:15,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:15,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:15,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:15,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 20:51:15,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:15,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:15,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:15,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:51:15,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:15,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:51:15,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:15,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:15,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:15,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:15,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:15,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 20:51:15,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:15,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:15,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:15,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:51:15,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:15,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:51:15,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:15,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:15,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:15,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:15,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:15,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 20:51:15,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:15,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:15,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:15,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:51:15,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:15,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:51:15,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:15,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:15,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:15,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:15,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:15,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 20:51:15,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:15,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:15,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:15,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:51:15,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:15,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:51:15,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:15,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:15,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:15,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:15,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:15,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 20:51:15,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:15,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:15,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:15,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:51:15,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:15,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:51:15,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:15,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:15,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:15,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:15,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:15,639 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 20:51:15,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 20:51:15,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:15,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:15,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:15,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:15,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:15,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 20:51:15,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 20:51:15,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-10-27 20:51:15,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:15,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:51:15,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 20:51:15,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:51:15,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:15,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:15,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:15,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:15,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:15,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 20:51:15,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:15,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:51:15,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:15,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:15,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:15,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:15,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:15,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:51:15,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:15,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:15,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:15,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-27 20:51:15,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:15,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 20:51:15,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:15,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:51:15,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:51:15,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 20:51:15,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:15,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 20:51:15,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:15,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:15,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:15,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:51:15,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:15,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:51:15,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:15,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:51:15,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:15,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:51:15,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:16,220 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-27 20:51:16,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 20:51:16,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:16,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:16,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:16,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 20:51:16,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:16,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 20:51:16,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:16,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:16,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 20:51:16,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:16,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:16,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:16,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:16,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:16,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:16,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:51:16,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:16,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:51:16,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:16,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:16,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:16,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:16,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:16,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-27 20:51:16,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:16,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:16,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:16,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:51:16,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:16,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:51:16,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:16,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:16,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 20:51:16,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:16,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:16,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:16,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:16,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:16,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:16,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:51:16,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:16,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:51:16,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:16,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:16,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:16,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:16,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:16,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-27 20:51:16,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:16,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:16,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:16,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:51:16,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:16,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:51:16,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:16,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:16,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:51:16,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:16,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:16,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 20:51:16,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:16,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:16,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:16,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:51:16,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:16,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:51:16,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:16,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:16,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:51:16,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:16,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:16,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-27 20:51:16,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:16,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:16,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:16,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:51:16,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:16,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:51:16,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:16,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:16,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:51:16,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:16,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:16,300 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-27 20:51:16,300 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1671640233] [2020-10-27 20:51:16,300 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:51:16,300 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 20:51:16,301 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670727123] [2020-10-27 20:51:16,301 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 20:51:16,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:51:16,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 20:51:16,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-27 20:51:16,302 INFO L87 Difference]: Start difference. First operand 779 states and 1187 transitions. Second operand 10 states. [2020-10-27 20:51:17,077 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-27 20:51:17,429 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-27 20:51:19,304 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 427 [2020-10-27 20:51:20,831 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 127