/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/elevator_spec2_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 15:40:11,531 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 15:40:11,535 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 15:40:11,595 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 15:40:11,596 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 15:40:11,603 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 15:40:11,606 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 15:40:11,612 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 15:40:11,615 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 15:40:11,622 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 15:40:11,624 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 15:40:11,627 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 15:40:11,627 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 15:40:11,631 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 15:40:11,635 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 15:40:11,638 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 15:40:11,640 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 15:40:11,643 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 15:40:11,652 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 15:40:11,661 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 15:40:11,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 15:40:11,666 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 15:40:11,668 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 15:40:11,671 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 15:40:11,682 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 15:40:11,683 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 15:40:11,683 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 15:40:11,686 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 15:40:11,686 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 15:40:11,688 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 15:40:11,688 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 15:40:11,689 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 15:40:11,692 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 15:40:11,693 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 15:40:11,694 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 15:40:11,694 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 15:40:11,695 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 15:40:11,695 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 15:40:11,696 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 15:40:11,697 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 15:40:11,698 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 15:40:11,706 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 15:40:11,774 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 15:40:11,775 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 15:40:11,780 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 15:40:11,781 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 15:40:11,781 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 15:40:11,781 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 15:40:11,782 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 15:40:11,782 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 15:40:11,782 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 15:40:11,783 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 15:40:11,784 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 15:40:11,784 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 15:40:11,785 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 15:40:11,785 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 15:40:11,785 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 15:40:11,785 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 15:40:11,786 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 15:40:11,786 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 15:40:11,786 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 15:40:11,787 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 15:40:11,787 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 15:40:11,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 15:40:11,787 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 15:40:11,788 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 15:40:11,788 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 15:40:11,788 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 15:40:11,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 15:40:11,789 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 15:40:11,789 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 15:40:11,789 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 15:40:12,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 15:40:12,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 15:40:12,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 15:40:12,319 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 15:40:12,320 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 15:40:12,321 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product30.cil.c [2020-10-28 15:40:12,406 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b30b43cd5/e3dc7f7f9a7c401cb7273cc3d7f8834a/FLAG1e1ebac86 [2020-10-28 15:40:13,247 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 15:40:13,248 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec2_product30.cil.c [2020-10-28 15:40:13,280 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b30b43cd5/e3dc7f7f9a7c401cb7273cc3d7f8834a/FLAG1e1ebac86 [2020-10-28 15:40:13,337 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b30b43cd5/e3dc7f7f9a7c401cb7273cc3d7f8834a [2020-10-28 15:40:13,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 15:40:13,353 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 15:40:13,358 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 15:40:13,358 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 15:40:13,362 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 15:40:13,363 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 03:40:13" (1/1) ... [2020-10-28 15:40:13,367 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2537a20b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:40:13, skipping insertion in model container [2020-10-28 15:40:13,368 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 03:40:13" (1/1) ... [2020-10-28 15:40:13,378 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 15:40:13,476 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 15:40:14,193 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 15:40:14,215 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 15:40:14,437 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 15:40:14,522 INFO L208 MainTranslator]: Completed translation [2020-10-28 15:40:14,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:40:14 WrapperNode [2020-10-28 15:40:14,524 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 15:40:14,525 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 15:40:14,526 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 15:40:14,526 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 15:40:14,538 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:40:14" (1/1) ... [2020-10-28 15:40:14,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:40:14" (1/1) ... [2020-10-28 15:40:14,574 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:40:14" (1/1) ... [2020-10-28 15:40:14,574 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:40:14" (1/1) ... [2020-10-28 15:40:14,660 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:40:14" (1/1) ... [2020-10-28 15:40:14,696 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:40:14" (1/1) ... [2020-10-28 15:40:14,714 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:40:14" (1/1) ... [2020-10-28 15:40:14,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 15:40:14,740 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 15:40:14,740 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 15:40:14,740 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 15:40:14,743 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:40:14" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 15:40:14,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 15:40:14,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 15:40:14,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 15:40:14,816 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 15:40:14,816 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-28 15:40:14,816 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-28 15:40:14,817 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-28 15:40:14,817 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-28 15:40:14,817 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-28 15:40:14,817 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-28 15:40:14,817 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-28 15:40:14,817 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-28 15:40:14,818 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-28 15:40:14,818 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-28 15:40:14,818 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-28 15:40:14,818 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 15:40:14,818 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-28 15:40:14,818 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-28 15:40:14,819 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-28 15:40:14,819 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 15:40:14,819 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-28 15:40:14,819 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 15:40:14,819 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 15:40:14,819 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 15:40:14,819 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-28 15:40:14,820 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-28 15:40:14,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 15:40:14,820 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-28 15:40:14,820 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-28 15:40:14,820 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-28 15:40:14,820 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-28 15:40:14,821 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-28 15:40:14,821 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-28 15:40:14,821 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-28 15:40:14,821 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-28 15:40:14,821 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 15:40:14,821 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 15:40:14,822 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 15:40:14,822 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 15:40:14,822 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 15:40:14,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-28 15:40:14,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-28 15:40:14,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2020-10-28 15:40:14,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2020-10-28 15:40:14,823 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-28 15:40:14,823 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-28 15:40:14,823 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-28 15:40:14,823 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-28 15:40:14,823 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-28 15:40:14,823 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-28 15:40:14,823 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2020-10-28 15:40:14,824 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-28 15:40:14,824 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-28 15:40:14,824 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-28 15:40:14,824 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-28 15:40:14,824 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-28 15:40:14,825 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-28 15:40:14,825 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-28 15:40:14,825 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-28 15:40:14,825 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-28 15:40:14,825 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-28 15:40:14,825 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2020-10-28 15:40:14,825 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-28 15:40:14,826 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-28 15:40:14,826 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-28 15:40:14,826 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-28 15:40:14,826 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-28 15:40:14,826 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-28 15:40:14,826 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-28 15:40:14,826 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__twothirdsfull [2020-10-28 15:40:14,827 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 15:40:14,827 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__twothirdsfull [2020-10-28 15:40:14,827 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-28 15:40:14,827 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-28 15:40:14,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 15:40:14,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 15:40:14,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 15:40:14,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 15:40:14,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 15:40:14,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 15:40:14,828 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 15:40:14,828 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 15:40:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 15:40:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 15:40:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 15:40:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-28 15:40:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-28 15:40:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-28 15:40:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 15:40:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-28 15:40:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-28 15:40:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-28 15:40:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-28 15:40:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-28 15:40:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-28 15:40:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-28 15:40:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-28 15:40:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 15:40:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-28 15:40:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-28 15:40:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-28 15:40:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 15:40:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-28 15:40:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-28 15:40:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-28 15:40:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-28 15:40:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-28 15:40:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 15:40:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-28 15:40:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 15:40:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-28 15:40:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2020-10-28 15:40:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 15:40:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 15:40:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 15:40:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 15:40:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 15:40:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 15:40:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-28 15:40:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-28 15:40:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-28 15:40:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 15:40:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-28 15:40:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-28 15:40:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-28 15:40:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-28 15:40:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-28 15:40:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-28 15:40:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-28 15:40:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 15:40:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-28 15:40:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-28 15:40:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-28 15:40:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2020-10-28 15:40:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 15:40:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-28 15:40:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-28 15:40:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-28 15:40:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-28 15:40:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-28 15:40:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-28 15:40:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2020-10-28 15:40:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-28 15:40:14,838 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-28 15:40:14,838 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-28 15:40:14,838 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-28 15:40:14,838 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-28 15:40:14,838 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2020-10-28 15:40:14,838 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-28 15:40:14,838 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-28 15:40:14,838 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-28 15:40:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-28 15:40:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-28 15:40:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-28 15:40:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__twothirdsfull [2020-10-28 15:40:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__twothirdsfull [2020-10-28 15:40:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-28 15:40:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 15:40:14,840 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 15:40:14,840 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 15:40:14,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 15:40:14,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 15:40:14,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 15:40:14,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 15:40:14,840 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 15:40:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 15:40:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 15:40:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 15:40:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 15:40:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 15:40:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 15:40:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 15:40:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 15:40:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 15:40:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 15:40:17,450 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 15:40:17,451 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-28 15:40:17,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 03:40:17 BoogieIcfgContainer [2020-10-28 15:40:17,455 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 15:40:17,456 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 15:40:17,457 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 15:40:17,461 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 15:40:17,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 03:40:13" (1/3) ... [2020-10-28 15:40:17,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@755e6ef4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 03:40:17, skipping insertion in model container [2020-10-28 15:40:17,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:40:14" (2/3) ... [2020-10-28 15:40:17,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@755e6ef4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 03:40:17, skipping insertion in model container [2020-10-28 15:40:17,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 03:40:17" (3/3) ... [2020-10-28 15:40:17,464 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product30.cil.c [2020-10-28 15:40:17,478 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 15:40:17,484 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 15:40:17,499 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 15:40:17,534 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 15:40:17,535 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 15:40:17,535 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 15:40:17,535 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 15:40:17,535 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 15:40:17,535 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 15:40:17,535 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 15:40:17,536 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 15:40:17,586 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states. [2020-10-28 15:40:17,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-28 15:40:17,619 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:40:17,620 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:40:17,621 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:40:17,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:40:17,634 INFO L82 PathProgramCache]: Analyzing trace with hash -1526982820, now seen corresponding path program 1 times [2020-10-28 15:40:17,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:40:17,646 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1427344709] [2020-10-28 15:40:17,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:40:18,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:18,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:18,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:18,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:18,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:20,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:22,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:23,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:23,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-28 15:40:23,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:40:23,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-10-28 15:40:23,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:23,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:23,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:23,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 114 [2020-10-28 15:40:23,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:23,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 15:40:24,355 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-28 15:40:24,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:40:24,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:24,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:24,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:24,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:40:24,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:24,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-28 15:40:24,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:24,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:24,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:24,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:24,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:24,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:24,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:40:24,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:24,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:24,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:24,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:40:24,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:24,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:40:24,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:24,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:24,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:24,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:24,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:24,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:24,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:40:24,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:24,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:24,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:24,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:40:24,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:24,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:40:24,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:24,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:24,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:24,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:24,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:24,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:40:24,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:40:24,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:24,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:24,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:24,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:40:24,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:24,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:40:24,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:24,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:24,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:24,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:24,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:24,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:24,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:40:24,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:24,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:24,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:24,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:40:24,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:24,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 15:40:24,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:24,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:24,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:24,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:24,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:24,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:24,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 15:40:24,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:24,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:24,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:24,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:40:24,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:24,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:40:24,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:24,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:24,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:24,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:24,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:24,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:24,815 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-28 15:40:24,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:40:24,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:24,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:24,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:24,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:24,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:25,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:26,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:26,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-28 15:40:26,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 15:40:26,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1990 [2020-10-28 15:40:26,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:26,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:26,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:26,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-10-28 15:40:26,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:26,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:26,990 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:40:26,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:40:26,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:27,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:27,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:27,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:27,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:27,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:27,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:27,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 15:40:27,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 15:40:27,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 740 [2020-10-28 15:40:27,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:27,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:27,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:27,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:27,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:27,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 15:40:27,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:40:27,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:27,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:27,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:27,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:27,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:40:27,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:40:27,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 15:40:27,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:27,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:27,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:27,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:27,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:27,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:27,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:40:27,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:27,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:27,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:27,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:27,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:40:27,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:40:27,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 15:40:27,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:27,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:27,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:27,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:27,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:27,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:27,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 15:40:27,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:27,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:27,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:27,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:40:27,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:27,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:40:27,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:27,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:27,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:27,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:27,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:27,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:40:27,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 15:40:27,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:27,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:27,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:27,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-28 15:40:27,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:27,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-28 15:40:27,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:27,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:27,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:27,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-28 15:40:27,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:27,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:27,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:40:27,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:27,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:27,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:27,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-28 15:40:27,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:27,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 15:40:27,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:27,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:27,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:27,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:27,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:27,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:27,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:40:27,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:27,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:27,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:27,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:40:27,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:27,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:40:27,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:27,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:27,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:27,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:27,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:27,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:27,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 15:40:27,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:27,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:27,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:27,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 15:40:27,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:27,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:40:27,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:27,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:27,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:27,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:27,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:27,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:27,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:40:27,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:27,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:27,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:27,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:40:27,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:27,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:40:27,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:27,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:27,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:27,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:27,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:27,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:40:28,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:40:28,072 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1427344709] [2020-10-28 15:40:28,075 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:40:28,075 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 15:40:28,076 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674001478] [2020-10-28 15:40:28,081 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 15:40:28,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:40:28,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 15:40:28,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2020-10-28 15:40:28,100 INFO L87 Difference]: Start difference. First operand 809 states. Second operand 7 states. [2020-10-28 15:40:30,463 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-28 15:40:54,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:40:54,211 INFO L93 Difference]: Finished difference Result 1131 states and 2009 transitions. [2020-10-28 15:40:54,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 15:40:54,215 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 86 [2020-10-28 15:40:54,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:40:54,276 INFO L225 Difference]: With dead ends: 1131 [2020-10-28 15:40:54,277 INFO L226 Difference]: Without dead ends: 1077 [2020-10-28 15:40:54,284 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2020-10-28 15:40:54,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1077 states. [2020-10-28 15:40:54,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1077 to 639. [2020-10-28 15:40:54,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 639 states. [2020-10-28 15:40:54,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 1018 transitions. [2020-10-28 15:40:54,598 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 1018 transitions. Word has length 86 [2020-10-28 15:40:54,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:40:54,599 INFO L481 AbstractCegarLoop]: Abstraction has 639 states and 1018 transitions. [2020-10-28 15:40:54,599 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 15:40:54,599 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 1018 transitions. [2020-10-28 15:40:54,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-28 15:40:54,610 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:40:54,610 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:40:54,610 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 15:40:54,611 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:40:54,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:40:54,611 INFO L82 PathProgramCache]: Analyzing trace with hash -1755073395, now seen corresponding path program 1 times [2020-10-28 15:40:54,612 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:40:54,612 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [34002779] [2020-10-28 15:40:54,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:40:54,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:54,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:54,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:54,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:56,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:59,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:59,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-28 15:40:59,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:40:59,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5036 [2020-10-28 15:40:59,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:59,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:59,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:40:59,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-28 15:40:59,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:40:59,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:00,903 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-28 15:41:00,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:41:00,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:00,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:00,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:00,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:41:00,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:00,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-28 15:41:00,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:00,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:00,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:00,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:00,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:00,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:00,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:41:00,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:00,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:00,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:00,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:41:00,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:00,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:41:00,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:00,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:00,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:00,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:00,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:00,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:00,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:41:00,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:00,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:00,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:00,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:41:00,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:00,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:41:00,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:00,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:00,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:00,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:00,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:00,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:00,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:41:00,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:00,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:00,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:00,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:41:00,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:00,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:41:00,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:00,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:00,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:00,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:00,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:00,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:00,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:41:00,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:00,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:00,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:00,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:41:00,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:00,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:41:00,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:00,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:01,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:01,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:01,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:01,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:01,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 15:41:01,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:01,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:01,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:01,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:41:01,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:01,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 15:41:01,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:01,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:01,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:01,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:01,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:01,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:01,287 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-28 15:41:01,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:41:01,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:01,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:01,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:01,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:01,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:02,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:02,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-28 15:41:02,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:41:02,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1377 [2020-10-28 15:41:02,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:02,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:02,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:41:02,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 15:41:02,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:41:02,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:02,835 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:41:02,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:41:02,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:02,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:02,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:02,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:02,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:03,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:03,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 15:41:03,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:41:03,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 575 [2020-10-28 15:41:03,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:03,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:03,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:41:03,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 15:41:03,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:41:03,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:41:03,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:41:03,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:03,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:03,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:03,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:03,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:41:03,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:41:03,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:41:03,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:03,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:03,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:03,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:03,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:03,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:41:03,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:41:03,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:03,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:03,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:03,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:41:03,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:03,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 15:41:03,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:03,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:03,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:41:03,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 15:41:03,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 15:41:03,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:41:03,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 15:41:03,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:03,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:03,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:03,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:41:03,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:03,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:41:03,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:03,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:03,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:41:03,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:03,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:41:03,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:41:03,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 15:41:03,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:03,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:03,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:03,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 15:41:03,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:03,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-28 15:41:03,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:03,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:03,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:03,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-28 15:41:03,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:03,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:03,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:41:03,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:03,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:03,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:03,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-28 15:41:03,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:03,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 15:41:03,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:03,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:03,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:03,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:03,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:03,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:03,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:41:03,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:03,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:03,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:03,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:41:03,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:03,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:41:03,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:03,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:03,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:03,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:03,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:03,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:41:03,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 15:41:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:03,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:03,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:03,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 15:41:03,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:03,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:41:03,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:03,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:03,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:03,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:03,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:03,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:03,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:41:03,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:03,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:03,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:03,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:41:03,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:03,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:41:03,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:03,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:03,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:03,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:03,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:03,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:03,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:41:03,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [34002779] [2020-10-28 15:41:03,786 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:41:03,786 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 15:41:03,788 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921351688] [2020-10-28 15:41:03,789 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 15:41:03,790 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:41:03,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 15:41:03,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-28 15:41:03,791 INFO L87 Difference]: Start difference. First operand 639 states and 1018 transitions. Second operand 9 states. [2020-10-28 15:41:06,294 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-28 15:41:07,653 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-28 15:41:29,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:41:29,738 INFO L93 Difference]: Finished difference Result 1633 states and 2811 transitions. [2020-10-28 15:41:29,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 15:41:29,738 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2020-10-28 15:41:29,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:41:29,751 INFO L225 Difference]: With dead ends: 1633 [2020-10-28 15:41:29,751 INFO L226 Difference]: Without dead ends: 1077 [2020-10-28 15:41:29,760 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2020-10-28 15:41:29,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1077 states. [2020-10-28 15:41:29,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1077 to 639. [2020-10-28 15:41:29,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 639 states. [2020-10-28 15:41:29,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 1013 transitions. [2020-10-28 15:41:29,980 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 1013 transitions. Word has length 88 [2020-10-28 15:41:29,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:41:29,980 INFO L481 AbstractCegarLoop]: Abstraction has 639 states and 1013 transitions. [2020-10-28 15:41:29,980 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 15:41:29,981 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 1013 transitions. [2020-10-28 15:41:29,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-28 15:41:29,983 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:41:29,983 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:41:29,983 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 15:41:29,983 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:41:29,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:41:29,984 INFO L82 PathProgramCache]: Analyzing trace with hash -1401910757, now seen corresponding path program 1 times [2020-10-28 15:41:29,984 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:41:29,984 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [191356722] [2020-10-28 15:41:29,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:41:30,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:30,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:30,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:30,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:30,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:33,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:34,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:35,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:35,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-28 15:41:35,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:41:35,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5183 [2020-10-28 15:41:35,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:35,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:35,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:41:35,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-28 15:41:35,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:41:35,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:36,540 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-28 15:41:36,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:41:36,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:36,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:36,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:36,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:41:36,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:36,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-28 15:41:36,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:36,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:36,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:36,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:36,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:36,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:36,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:41:36,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:36,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:36,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:36,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:41:36,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:36,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:41:36,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:36,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:36,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:36,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:36,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:36,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:36,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:41:36,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:36,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:36,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:36,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:41:36,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:36,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:41:36,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:36,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:36,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:36,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:36,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:36,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:36,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:41:36,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:36,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:36,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:36,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:41:36,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:36,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:41:36,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:36,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:36,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:36,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:36,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:36,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:36,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:41:36,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:36,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:36,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:36,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:41:36,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:36,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:41:36,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:36,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:36,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:36,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:36,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:36,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:36,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 15:41:36,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:36,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:36,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:36,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:41:36,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:36,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:41:36,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:36,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:36,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:36,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:36,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:36,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:36,897 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-28 15:41:36,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:41:36,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:36,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:36,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:36,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:36,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:38,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:38,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 15:41:38,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:41:38,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1236 [2020-10-28 15:41:38,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:38,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:38,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:41:38,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 15:41:38,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:41:38,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:38,311 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:41:38,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:41:38,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:38,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:38,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:38,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:38,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:38,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:38,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 15:41:38,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:41:38,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 378 [2020-10-28 15:41:38,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:38,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:38,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:41:38,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 15:41:38,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:41:38,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:38,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:41:38,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:38,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:38,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:38,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:38,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:41:38,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:41:38,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:41:38,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:38,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:38,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:38,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:38,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:38,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:38,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:41:38,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:38,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:38,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:38,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 15:41:38,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:38,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 15:41:38,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:38,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:38,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:41:38,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 15:41:38,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 15:41:38,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:38,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-28 15:41:38,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:38,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:38,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:38,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:41:38,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:38,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:41:38,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:38,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:38,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:41:38,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:38,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:41:38,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:38,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 15:41:38,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:38,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:38,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:38,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 15:41:38,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:38,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 15:41:38,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:38,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:38,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:38,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-28 15:41:38,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:38,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:38,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:41:38,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:38,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:38,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:38,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-28 15:41:38,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:38,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 15:41:38,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:38,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:38,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:38,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:38,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:38,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:38,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:41:38,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:38,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:38,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:38,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:41:38,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:38,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:41:38,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:38,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:38,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:38,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:38,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:38,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:38,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 15:41:38,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:38,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:38,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:38,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 15:41:38,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:38,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:41:38,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:38,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:38,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:38,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:38,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:38,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:38,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:41:38,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:38,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:38,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:38,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:41:38,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:38,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:41:38,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:38,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:38,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:38,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:38,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:38,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:38,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:41:38,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [191356722] [2020-10-28 15:41:38,981 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:41:38,981 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 15:41:38,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329336185] [2020-10-28 15:41:38,984 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 15:41:38,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:41:38,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 15:41:38,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-28 15:41:38,985 INFO L87 Difference]: Start difference. First operand 639 states and 1013 transitions. Second operand 9 states. [2020-10-28 15:41:41,694 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-28 15:41:43,174 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-28 15:42:01,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:42:01,956 INFO L93 Difference]: Finished difference Result 1633 states and 2806 transitions. [2020-10-28 15:42:01,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 15:42:01,957 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2020-10-28 15:42:01,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:42:01,968 INFO L225 Difference]: With dead ends: 1633 [2020-10-28 15:42:01,968 INFO L226 Difference]: Without dead ends: 1077 [2020-10-28 15:42:01,972 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2020-10-28 15:42:01,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1077 states. [2020-10-28 15:42:02,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1077 to 639. [2020-10-28 15:42:02,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 639 states. [2020-10-28 15:42:02,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 1008 transitions. [2020-10-28 15:42:02,133 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 1008 transitions. Word has length 89 [2020-10-28 15:42:02,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:42:02,134 INFO L481 AbstractCegarLoop]: Abstraction has 639 states and 1008 transitions. [2020-10-28 15:42:02,134 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 15:42:02,134 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 1008 transitions. [2020-10-28 15:42:02,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-28 15:42:02,136 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:42:02,136 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:42:02,136 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 15:42:02,136 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:42:02,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:42:02,137 INFO L82 PathProgramCache]: Analyzing trace with hash -246504216, now seen corresponding path program 1 times [2020-10-28 15:42:02,137 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:42:02,137 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [512978201] [2020-10-28 15:42:02,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:42:02,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:02,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:02,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:02,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:02,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:04,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:05,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:07,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:07,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-28 15:42:07,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:42:07,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-28 15:42:07,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:07,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:07,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:42:07,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-28 15:42:07,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 15:42:07,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:08,465 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-28 15:42:08,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:42:08,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:08,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:08,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:08,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:42:08,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:42:08,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-28 15:42:08,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:08,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:08,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:42:08,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:42:08,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:42:08,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:08,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:42:08,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:08,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:08,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:08,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:42:08,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:42:08,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:42:08,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:08,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:08,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:42:08,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:42:08,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:42:08,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:08,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:42:08,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:08,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:08,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:08,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:42:08,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:42:08,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:42:08,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:08,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:08,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:42:08,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:42:08,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:42:08,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:08,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:42:08,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:08,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:08,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:08,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:42:08,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:42:08,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:42:08,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:08,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:08,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:42:08,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:42:08,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:42:08,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:08,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:42:08,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:08,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:08,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:08,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:42:08,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:42:08,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:42:08,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:08,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:08,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:42:08,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:42:08,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:42:08,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:08,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 15:42:08,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:08,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:08,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:08,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:42:08,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:42:08,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:42:08,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:08,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:08,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:42:08,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:42:08,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:42:08,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:08,826 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-28 15:42:08,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:42:08,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:08,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:08,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:08,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:08,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:09,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:09,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-28 15:42:09,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:42:09,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 928 [2020-10-28 15:42:09,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:09,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:09,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:42:09,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 15:42:09,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 15:42:09,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:09,907 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:42:09,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:42:09,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:09,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:09,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:09,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:09,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:10,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:10,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 15:42:10,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:42:10,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 693 [2020-10-28 15:42:10,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:10,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:10,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:42:10,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 15:42:10,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 15:42:10,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:10,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:42:10,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:10,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:10,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:10,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:10,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:42:10,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:42:10,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:42:10,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:10,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:10,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:42:10,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:42:10,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:42:10,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:42:10,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:42:10,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:10,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:10,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:10,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 15:42:10,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:42:10,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 15:42:10,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:10,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:10,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:42:10,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 15:42:10,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 15:42:10,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:10,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-28 15:42:10,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:10,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:10,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:10,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:42:10,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:42:10,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 15:42:10,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:10,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:10,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:42:10,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:42:10,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:42:10,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:10,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 15:42:10,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:10,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:10,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:10,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 15:42:10,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:42:10,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 15:42:10,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:10,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:10,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:42:10,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-28 15:42:10,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:42:10,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:10,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:42:10,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:10,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:10,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:10,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-28 15:42:10,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:42:10,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 15:42:10,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:10,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:10,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:42:10,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:42:10,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:42:10,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:10,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:42:10,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:10,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:10,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:10,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:42:10,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:42:10,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:42:10,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:10,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:10,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:42:10,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:42:10,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:42:10,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:10,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 15:42:10,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:10,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:10,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:10,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 15:42:10,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:42:10,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:42:10,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:10,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:10,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:42:10,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:42:10,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:42:10,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:10,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:42:10,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:10,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:10,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:10,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:42:10,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:42:10,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:42:10,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:10,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:10,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:42:10,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:42:10,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:42:10,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:10,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:42:10,926 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [512978201] [2020-10-28 15:42:10,927 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:42:10,927 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 15:42:10,927 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841867418] [2020-10-28 15:42:10,928 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 15:42:10,928 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:42:10,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 15:42:10,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-28 15:42:10,929 INFO L87 Difference]: Start difference. First operand 639 states and 1008 transitions. Second operand 9 states. [2020-10-28 15:42:13,020 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-28 15:42:14,163 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-28 15:42:33,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:42:33,068 INFO L93 Difference]: Finished difference Result 1633 states and 2801 transitions. [2020-10-28 15:42:33,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 15:42:33,069 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 90 [2020-10-28 15:42:33,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:42:33,078 INFO L225 Difference]: With dead ends: 1633 [2020-10-28 15:42:33,078 INFO L226 Difference]: Without dead ends: 1077 [2020-10-28 15:42:33,082 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2020-10-28 15:42:33,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1077 states. [2020-10-28 15:42:33,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1077 to 639. [2020-10-28 15:42:33,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 639 states. [2020-10-28 15:42:33,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 1003 transitions. [2020-10-28 15:42:33,250 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 1003 transitions. Word has length 90 [2020-10-28 15:42:33,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:42:33,250 INFO L481 AbstractCegarLoop]: Abstraction has 639 states and 1003 transitions. [2020-10-28 15:42:33,251 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 15:42:33,251 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 1003 transitions. [2020-10-28 15:42:33,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-28 15:42:33,252 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:42:33,253 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:42:33,253 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 15:42:33,253 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]=== [2020-10-28 15:42:33,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:42:33,254 INFO L82 PathProgramCache]: Analyzing trace with hash 8659542, now seen corresponding path program 1 times [2020-10-28 15:42:33,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:42:33,254 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2072463520] [2020-10-28 15:42:33,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:42:33,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:33,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:33,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:33,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:34,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:35,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:36,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:36,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:38,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:38,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-28 15:42:38,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 15:42:38,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-28 15:42:38,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:38,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:38,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:42:38,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:42:38,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-28 15:42:38,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:39,500 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-28 15:42:39,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:42:39,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:39,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:39,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:39,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:42:39,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:42:39,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-28 15:42:39,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:39,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:39,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:42:39,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:42:39,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 15:42:39,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:39,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:42:39,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:39,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:39,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:39,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:42:39,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:42:39,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:42:39,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:39,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:39,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:42:39,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:42:39,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:42:39,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:39,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:42:39,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:39,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:39,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:39,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:42:39,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:42:39,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:42:39,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:39,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:39,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:42:39,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:42:39,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:42:39,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:39,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:42:39,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:39,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:39,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:39,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:42:39,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:42:39,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:42:39,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:39,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:39,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:42:39,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:42:39,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:42:39,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:39,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:42:39,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:39,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:39,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:39,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:42:39,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:42:39,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:42:39,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:39,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:39,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:42:39,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:42:39,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:42:39,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:39,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 15:42:39,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:39,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:39,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:39,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:42:39,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:42:39,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:42:39,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:39,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:39,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:42:39,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:42:39,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:42:39,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:39,971 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-28 15:42:39,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:42:39,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:39,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:39,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:40,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:40,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:40,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:41,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:41,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-28 15:42:41,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 15:42:41,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1951 [2020-10-28 15:42:41,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:41,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:41,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:42:41,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-28 15:42:41,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 15:42:41,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:42,098 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:42:42,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:42:42,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:42,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:42,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:42,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:42,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:42,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:42,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:42,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-28 15:42:42,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 15:42:42,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 404 [2020-10-28 15:42:42,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:42,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:42,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:42:42,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:42:42,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:42:42,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:42,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:42:42,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:42,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:42,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:42,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:42,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:42:42,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:42:42,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:42:42,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:42,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:42,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:42:42,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:42:42,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:42:42,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:42,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:42:42,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:42,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:42,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:42,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:42,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 15:42:42,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:42:42,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 15:42:42,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:42,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:42,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:42:42,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:42:42,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:42:42,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:42,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:42:42,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:42,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:42,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:42,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:42:42,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:42:42,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:42:42,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:42,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:42,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:42:42,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:42:42,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:42:42,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:42,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 15:42:42,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:42,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:42,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:42,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 15:42:42,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:42:42,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-28 15:42:42,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:42,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:42,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:42:42,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:42:42,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-28 15:42:42,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:42,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:42:42,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:42,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:42,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:42,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-28 15:42:42,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:42:42,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 15:42:42,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:42,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:42,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:42:42,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:42:42,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:42:42,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:42,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:42:42,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:42,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:42,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:42,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:42:42,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:42:42,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:42:42,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:42,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:42,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:42:42,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:42:42,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:42:42,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:42,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 15:42:42,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:42,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:42,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:42,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 15:42:42,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:42:42,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:42:42,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:42,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:42,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:42:42,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:42:42,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:42:42,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:42,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:42:42,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:42,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:42,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:42,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:42:42,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:42:42,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:42:42,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:42,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:42,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:42:42,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:42:42,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:42:42,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:42,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:42:42,771 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2072463520] [2020-10-28 15:42:42,771 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:42:42,771 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 15:42:42,771 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548723137] [2020-10-28 15:42:42,772 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 15:42:42,772 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:42:42,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 15:42:42,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-28 15:42:42,773 INFO L87 Difference]: Start difference. First operand 639 states and 1003 transitions. Second operand 11 states. [2020-10-28 15:42:44,917 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 417 [2020-10-28 15:42:45,389 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 15:42:46,907 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-28 15:42:48,002 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 15:42:48,348 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-28 15:42:53,762 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 15:42:53,923 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-28 15:43:09,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:43:09,864 INFO L93 Difference]: Finished difference Result 1173 states and 2084 transitions. [2020-10-28 15:43:09,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-28 15:43:09,865 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 91 [2020-10-28 15:43:09,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:43:09,876 INFO L225 Difference]: With dead ends: 1173 [2020-10-28 15:43:09,876 INFO L226 Difference]: Without dead ends: 1155 [2020-10-28 15:43:09,877 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=209, Invalid=603, Unknown=0, NotChecked=0, Total=812 [2020-10-28 15:43:09,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1155 states. [2020-10-28 15:43:10,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1155 to 642. [2020-10-28 15:43:10,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 642 states. [2020-10-28 15:43:10,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 1006 transitions. [2020-10-28 15:43:10,049 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 1006 transitions. Word has length 91 [2020-10-28 15:43:10,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:43:10,049 INFO L481 AbstractCegarLoop]: Abstraction has 642 states and 1006 transitions. [2020-10-28 15:43:10,050 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 15:43:10,050 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 1006 transitions. [2020-10-28 15:43:10,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-28 15:43:10,052 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:43:10,052 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:43:10,052 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 15:43:10,052 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]=== [2020-10-28 15:43:10,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:43:10,053 INFO L82 PathProgramCache]: Analyzing trace with hash -1666687493, now seen corresponding path program 1 times [2020-10-28 15:43:10,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:43:10,053 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [403318168] [2020-10-28 15:43:10,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:43:10,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:43:10,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:10,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:10,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:10,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:11,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:12,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:15,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:43:15,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-28 15:43:15,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:43:15,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-28 15:43:15,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:43:15,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:43:15,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:43:15,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-28 15:43:15,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 15:43:15,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:43:16,342 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-28 15:43:16,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:43:16,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:43:16,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:16,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:43:16,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:43:16,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:43:16,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-28 15:43:16,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:43:16,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:43:16,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:43:16,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:43:16,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:43:16,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:43:16,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:43:16,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:43:16,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:16,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:43:16,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:43:16,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:43:16,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:43:16,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:43:16,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:43:16,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:43:16,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:43:16,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:43:16,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:43:16,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:43:16,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:43:16,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:16,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:43:16,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:43:16,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:43:16,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:43:16,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:43:16,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:43:16,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:43:16,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:43:16,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:43:16,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:43:16,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:43:16,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:43:16,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:16,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:43:16,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:43:16,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:43:16,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:43:16,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:43:16,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:43:16,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:43:16,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:43:16,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:43:16,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:43:16,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:43:16,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:43:16,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:16,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:43:16,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:43:16,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:43:16,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:43:16,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:43:16,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:43:16,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:43:16,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:43:16,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:43:16,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:43:16,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 15:43:16,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:43:16,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:16,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:43:16,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:43:16,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:43:16,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:43:16,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:43:16,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:43:16,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:43:16,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:43:16,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:43:16,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:43:16,750 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-28 15:43:16,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:43:16,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:43:16,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:16,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:16,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:16,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:17,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:43:17,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-28 15:43:17,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:43:17,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 906 [2020-10-28 15:43:17,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:43:17,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:43:17,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:43:17,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 15:43:17,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 15:43:17,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:43:17,819 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:43:17,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:43:17,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:43:17,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:17,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:17,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:17,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:18,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:43:18,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-28 15:43:18,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:43:18,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 290 [2020-10-28 15:43:18,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:43:18,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:43:18,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:43:18,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 15:43:18,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 15:43:18,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:43:18,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:43:18,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:43:18,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:18,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:18,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:43:18,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:43:18,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:43:18,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:43:18,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:43:18,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:43:18,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:43:18,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:43:18,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:43:18,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:43:18,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:43:18,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:43:18,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:18,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:43:18,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 15:43:18,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:43:18,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 15:43:18,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:43:18,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:43:18,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:43:18,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 15:43:18,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 15:43:18,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:43:18,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:43:18,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:43:18,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:18,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:43:18,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:43:18,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:43:18,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:43:18,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:43:18,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:43:18,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:43:18,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:43:18,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:43:18,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:43:18,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 15:43:18,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:43:18,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:18,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:43:18,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-28 15:43:18,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:43:18,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 15:43:18,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:43:18,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:43:18,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:43:18,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-28 15:43:18,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:43:18,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:43:18,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:43:18,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:43:18,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:18,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:43:18,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-28 15:43:18,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:43:18,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 15:43:18,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:43:18,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:43:18,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:43:18,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:43:18,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:43:18,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:43:18,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:43:18,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:43:18,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:18,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:43:18,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:43:18,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:43:18,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:43:18,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:43:18,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:43:18,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:43:18,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:43:18,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:43:18,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:43:18,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 15:43:18,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:43:18,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:18,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:43:18,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 15:43:18,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:43:18,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:43:18,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:43:18,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:43:18,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:43:18,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:43:18,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:43:18,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:43:18,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:43:18,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:43:18,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:18,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:43:18,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:43:18,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:43:18,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:43:18,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:43:18,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:43:18,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:43:18,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:43:18,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:43:18,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:43:18,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 15:43:18,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:43:18,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:18,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:43:18,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:43:18,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:43:18,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:43:18,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:43:18,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:43:18,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:43:18,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:43:18,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:43:18,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:43:18,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:43:18,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [403318168] [2020-10-28 15:43:18,356 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:43:18,356 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 15:43:18,356 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357131293] [2020-10-28 15:43:18,357 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 15:43:18,357 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:43:18,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 15:43:18,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-28 15:43:18,358 INFO L87 Difference]: Start difference. First operand 642 states and 1006 transitions. Second operand 9 states. [2020-10-28 15:43:21,095 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-28 15:43:22,490 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-28 15:43:49,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:43:49,530 INFO L93 Difference]: Finished difference Result 1654 states and 2817 transitions. [2020-10-28 15:43:49,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 15:43:49,532 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 97 [2020-10-28 15:43:49,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:43:49,542 INFO L225 Difference]: With dead ends: 1654 [2020-10-28 15:43:49,542 INFO L226 Difference]: Without dead ends: 1095 [2020-10-28 15:43:49,546 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2020-10-28 15:43:49,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1095 states. [2020-10-28 15:43:49,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1095 to 642. [2020-10-28 15:43:49,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 642 states. [2020-10-28 15:43:49,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 1001 transitions. [2020-10-28 15:43:49,833 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 1001 transitions. Word has length 97 [2020-10-28 15:43:49,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:43:49,834 INFO L481 AbstractCegarLoop]: Abstraction has 642 states and 1001 transitions. [2020-10-28 15:43:49,834 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 15:43:49,834 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 1001 transitions. [2020-10-28 15:43:49,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-28 15:43:49,840 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:43:49,840 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:43:49,840 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 15:43:49,841 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:43:49,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:43:49,841 INFO L82 PathProgramCache]: Analyzing trace with hash 472793338, now seen corresponding path program 1 times [2020-10-28 15:43:49,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:43:49,847 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [722614302] [2020-10-28 15:43:49,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:43:49,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:43:49,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:50,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:50,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:50,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:52,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:52,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:54,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:43:54,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-28 15:43:54,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:43:54,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-28 15:43:54,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:43:54,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:43:54,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:43:54,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-28 15:43:54,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 15:43:54,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:43:56,179 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-28 15:43:56,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:43:56,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:43:56,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:56,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:43:56,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:43:56,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:43:56,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-28 15:43:56,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:43:56,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:43:56,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:43:56,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:43:56,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:43:56,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:43:56,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:43:56,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:43:56,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:56,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:43:56,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:43:56,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:43:56,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:43:56,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:43:56,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:43:56,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:43:56,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:43:56,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:43:56,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:43:56,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:43:56,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:43:56,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:56,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:43:56,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:43:56,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:43:56,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:43:56,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:43:56,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:43:56,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:43:56,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:43:56,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:43:56,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:43:56,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:43:56,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:43:56,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:56,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:43:56,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:43:56,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:43:56,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:43:56,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:43:56,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:43:56,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:43:56,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:43:56,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:43:56,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:43:56,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:43:56,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:43:56,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:56,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:43:56,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:43:56,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:43:56,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:43:56,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:43:56,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:43:56,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:43:56,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:43:56,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:43:56,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:43:56,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 15:43:56,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:43:56,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:56,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:43:56,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:43:56,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:43:56,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:43:56,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:43:56,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:43:56,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:43:56,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:43:56,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:43:56,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:43:56,589 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-28 15:43:56,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:43:56,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:43:56,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:56,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:56,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:56,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking...