/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_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 15:38:43,944 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 15:38:43,948 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 15:38:43,998 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 15:38:43,998 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 15:38:44,000 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 15:38:44,002 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 15:38:44,004 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 15:38:44,006 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 15:38:44,008 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 15:38:44,009 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 15:38:44,011 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 15:38:44,011 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 15:38:44,012 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 15:38:44,014 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 15:38:44,015 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 15:38:44,016 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 15:38:44,017 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 15:38:44,019 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 15:38:44,022 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 15:38:44,023 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 15:38:44,028 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 15:38:44,029 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 15:38:44,030 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 15:38:44,033 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 15:38:44,034 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 15:38:44,034 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 15:38:44,035 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 15:38:44,036 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 15:38:44,037 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 15:38:44,037 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 15:38:44,038 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 15:38:44,039 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 15:38:44,040 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 15:38:44,041 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 15:38:44,042 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 15:38:44,043 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 15:38:44,043 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 15:38:44,043 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 15:38:44,044 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 15:38:44,045 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 15:38:44,046 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 15:38:44,073 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 15:38:44,073 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 15:38:44,075 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 15:38:44,075 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 15:38:44,075 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 15:38:44,076 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 15:38:44,076 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 15:38:44,076 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 15:38:44,076 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 15:38:44,076 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 15:38:44,077 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 15:38:44,077 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 15:38:44,077 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 15:38:44,077 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 15:38:44,077 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 15:38:44,078 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 15:38:44,078 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 15:38:44,078 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 15:38:44,078 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 15:38:44,078 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 15:38:44,079 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 15:38:44,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 15:38:44,079 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 15:38:44,079 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 15:38:44,080 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 15:38:44,080 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 15:38:44,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 15:38:44,080 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 15:38:44,080 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 15:38:44,081 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 15:38:44,444 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 15:38:44,484 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 15:38:44,487 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 15:38:44,489 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 15:38:44,489 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 15:38:44,491 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product25.cil.c [2020-10-28 15:38:44,570 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/77c9401ef/e71fe22e62164a63a26ffe172fa70adf/FLAGf48310596 [2020-10-28 15:38:45,421 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 15:38:45,421 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec2_product25.cil.c [2020-10-28 15:38:45,459 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/77c9401ef/e71fe22e62164a63a26ffe172fa70adf/FLAGf48310596 [2020-10-28 15:38:45,567 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/77c9401ef/e71fe22e62164a63a26ffe172fa70adf [2020-10-28 15:38:45,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 15:38:45,583 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 15:38:45,587 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 15:38:45,587 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 15:38:45,592 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 15:38:45,593 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 03:38:45" (1/1) ... [2020-10-28 15:38:45,597 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45530abf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:38:45, skipping insertion in model container [2020-10-28 15:38:45,598 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 03:38:45" (1/1) ... [2020-10-28 15:38:45,606 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 15:38:45,685 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 15:38:46,389 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 15:38:46,414 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 15:38:46,576 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 15:38:46,654 INFO L208 MainTranslator]: Completed translation [2020-10-28 15:38:46,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:38:46 WrapperNode [2020-10-28 15:38:46,655 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 15:38:46,656 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 15:38:46,656 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 15:38:46,656 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 15:38:46,670 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:38:46" (1/1) ... [2020-10-28 15:38:46,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:38:46" (1/1) ... [2020-10-28 15:38:46,707 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:38:46" (1/1) ... [2020-10-28 15:38:46,708 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:38:46" (1/1) ... [2020-10-28 15:38:46,810 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:38:46" (1/1) ... [2020-10-28 15:38:46,848 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:38:46" (1/1) ... [2020-10-28 15:38:46,867 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:38:46" (1/1) ... [2020-10-28 15:38:46,894 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 15:38:46,895 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 15:38:46,895 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 15:38:46,896 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 15:38:46,897 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:38:46" (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 15:38:46,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 15:38:46,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 15:38:46,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 15:38:46,984 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 15:38:46,984 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 15:38:46,985 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 15:38:46,985 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 15:38:46,985 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 15:38:46,985 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 15:38:46,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-28 15:38:46,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-28 15:38:46,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2020-10-28 15:38:46,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2020-10-28 15:38:46,987 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-28 15:38:46,988 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-28 15:38:46,989 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-28 15:38:46,989 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-28 15:38:46,989 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-28 15:38:46,989 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-28 15:38:46,989 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2020-10-28 15:38:46,990 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-28 15:38:46,990 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-28 15:38:46,990 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-28 15:38:46,990 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-28 15:38:46,990 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-28 15:38:46,990 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-28 15:38:46,991 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-28 15:38:46,991 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-28 15:38:46,991 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-28 15:38:46,991 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-28 15:38:46,991 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-28 15:38:46,991 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-28 15:38:46,992 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-28 15:38:46,992 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-28 15:38:46,992 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-28 15:38:46,992 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-28 15:38:46,992 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 15:38:46,992 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-28 15:38:46,993 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-28 15:38:46,993 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-28 15:38:46,993 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-28 15:38:46,993 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-28 15:38:46,993 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-28 15:38:46,993 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-28 15:38:46,994 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-28 15:38:46,995 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-28 15:38:46,995 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-28 15:38:46,995 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-28 15:38:46,995 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-28 15:38:46,995 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-28 15:38:46,996 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-28 15:38:46,996 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-28 15:38:46,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 15:38:46,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 15:38:46,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 15:38:46,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 15:38:46,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 15:38:46,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 15:38:46,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 15:38:46,998 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-28 15:38:46,999 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-28 15:38:46,999 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-28 15:38:46,999 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-28 15:38:46,999 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-28 15:38:46,999 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-28 15:38:47,000 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-28 15:38:47,000 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-28 15:38:47,000 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 15:38:47,000 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-28 15:38:47,000 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-28 15:38:47,001 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-28 15:38:47,001 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 15:38:47,003 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-28 15:38:47,004 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 15:38:47,004 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 15:38:47,004 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 15:38:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 15:38:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 15:38:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 15:38:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 15:38:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 15:38:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 15:38:47,006 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 15:38:47,006 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 15:38:47,006 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 15:38:47,006 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-28 15:38:47,006 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 15:38:47,006 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 15:38:47,007 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 15:38:47,007 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-28 15:38:47,007 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-28 15:38:47,007 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-28 15:38:47,007 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-28 15:38:47,008 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2020-10-28 15:38:47,008 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2020-10-28 15:38:47,008 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 15:38:47,008 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-28 15:38:47,008 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-28 15:38:47,008 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-28 15:38:47,009 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-28 15:38:47,009 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-28 15:38:47,009 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-28 15:38:47,009 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-28 15:38:47,009 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-28 15:38:47,010 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-28 15:38:47,010 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 15:38:47,010 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-28 15:38:47,010 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-28 15:38:47,010 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-28 15:38:47,011 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-28 15:38:47,011 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-28 15:38:47,011 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-28 15:38:47,011 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-28 15:38:47,012 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-28 15:38:47,012 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-28 15:38:47,013 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-28 15:38:47,013 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2020-10-28 15:38:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-28 15:38:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-28 15:38:47,015 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-28 15:38:47,015 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-28 15:38:47,015 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-28 15:38:47,015 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-28 15:38:47,015 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-28 15:38:47,015 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-28 15:38:47,016 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-28 15:38:47,016 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-28 15:38:47,016 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-28 15:38:47,016 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-28 15:38:47,017 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-28 15:38:47,018 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-28 15:38:47,018 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-28 15:38:47,021 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-28 15:38:47,021 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 15:38:47,021 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 15:38:47,021 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 15:38:47,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 15:38:47,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 15:38:47,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 15:38:47,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 15:38:47,022 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 15:38:47,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 15:38:47,023 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 15:38:47,023 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 15:38:47,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 15:38:47,023 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 15:38:47,023 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 15:38:47,024 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 15:38:47,024 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 15:38:47,024 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-28 15:38:47,024 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-28 15:38:47,024 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-28 15:38:47,024 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-28 15:38:47,025 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-28 15:38:47,025 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-28 15:38:47,025 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-28 15:38:47,025 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-28 15:38:47,025 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-28 15:38:47,025 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-28 15:38:47,025 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 15:38:47,026 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-28 15:38:47,026 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 15:38:47,026 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 15:38:47,026 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 15:38:47,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 15:38:47,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 15:38:47,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 15:38:49,674 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 15:38:49,674 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-28 15:38:49,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 03:38:49 BoogieIcfgContainer [2020-10-28 15:38:49,678 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 15:38:49,680 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 15:38:49,680 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 15:38:49,684 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 15:38:49,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 03:38:45" (1/3) ... [2020-10-28 15:38:49,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16155a53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 03:38:49, skipping insertion in model container [2020-10-28 15:38:49,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:38:46" (2/3) ... [2020-10-28 15:38:49,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16155a53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 03:38:49, skipping insertion in model container [2020-10-28 15:38:49,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 03:38:49" (3/3) ... [2020-10-28 15:38:49,687 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product25.cil.c [2020-10-28 15:38:49,699 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 15:38:49,706 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 15:38:49,719 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 15:38:49,755 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 15:38:49,755 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 15:38:49,755 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 15:38:49,755 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 15:38:49,755 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 15:38:49,755 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 15:38:49,756 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 15:38:49,756 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 15:38:49,793 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states. [2020-10-28 15:38:49,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-10-28 15:38:49,831 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:38:49,836 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:38:49,838 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 15:38:49,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:38:49,851 INFO L82 PathProgramCache]: Analyzing trace with hash -1680089614, now seen corresponding path program 1 times [2020-10-28 15:38:49,864 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:38:49,865 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1785307850] [2020-10-28 15:38:49,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:38:50,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:50,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:50,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:50,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:51,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:51,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:52,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:55,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:55,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-10-28 15:38:55,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:38:55,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5036 [2020-10-28 15:38:55,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:55,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:55,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:38:55,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 142 [2020-10-28 15:38:55,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:38:55,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 15:38:56,508 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-28 15:38:56,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:38:56,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:56,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:56,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:56,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:38:56,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:38:56,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-28 15:38:56,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:56,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:56,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:38:56,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:38:56,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:38:56,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:56,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:38:56,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:56,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:56,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:56,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:38:56,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:38:56,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:38:56,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:56,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:56,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:38:56,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:38:56,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:38:56,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:56,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:38:56,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:56,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:56,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:56,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:38:56,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:38:56,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:38:56,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:56,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:56,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:38:56,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:38:56,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:38:56,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:56,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:38:56,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:56,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:56,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:56,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:38:56,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:38:56,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:38:56,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:56,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:56,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:38:56,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:38:56,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:38:56,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:56,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:38:56,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:56,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:56,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:56,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:38:56,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:38:56,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:38:56,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:56,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:56,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:38:56,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:38:56,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:38:56,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:56,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 15:38:56,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:56,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:56,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:56,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:38:56,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:38:56,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:38:56,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:56,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:56,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:38:56,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:38:56,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:38:56,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:56,930 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-28 15:38:56,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:38:56,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:57,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:57,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:57,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:57,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:57,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:57,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:59,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:02,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:02,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-28 15:39:02,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 15:39:02,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-28 15:39:02,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:02,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:02,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:39:02,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 15:39:02,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:39:02,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:02,190 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:39:02,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:39:02,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:02,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:02,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:02,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:02,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:02,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:02,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 15:39:02,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:39:02,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 654 [2020-10-28 15:39:02,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:02,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:02,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:39:02,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 15:39:02,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:39:02,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:02,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:39:02,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:02,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:02,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:02,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:02,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:39:02,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:39:02,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:39:02,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:02,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:02,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:39:02,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:39:02,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:39:02,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:02,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:39:02,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:02,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:02,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:02,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:39:02,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:39:02,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 15:39:02,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:02,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:02,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:39:02,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 15:39:02,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 15:39:02,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:39:02,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 15:39:02,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:02,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:02,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:02,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:39:02,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:39:02,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:39:02,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:02,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:02,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:39:02,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:39:02,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:39:02,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:03,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 15:39:03,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:03,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:03,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:03,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:03,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:03,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:03,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:03,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-28 15:39:03,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 15:39:03,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 863 [2020-10-28 15:39:03,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:03,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:03,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:39:03,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-10-28 15:39:03,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:39:03,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:03,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:39:03,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:03,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:03,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:03,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:03,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:04,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:04,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 15:39:04,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:39:04,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 676 [2020-10-28 15:39:04,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:04,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:04,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:39:04,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:39:04,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:39:04,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:39:04,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:39:04,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:04,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:04,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:04,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:39:04,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:39:04,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:39:04,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:04,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:04,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:39:04,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:39:04,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:39:04,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:39:04,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:39:04,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:04,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:04,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:04,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:39:04,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:39:04,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:39:04,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:04,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:04,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:39:04,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:39:04,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:39:04,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:39:04,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 15:39:04,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:04,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:04,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:04,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 15:39:04,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:39:04,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:39:04,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:04,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:04,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:39:04,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:39:04,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:39:04,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:39:04,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 15:39:04,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:04,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:04,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:04,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:04,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 15:39:04,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:39:04,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 15:39:04,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:04,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:04,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:39:04,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:39:04,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:39:04,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:39:04,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 15:39:04,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:04,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:04,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:04,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 15:39:04,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:39:04,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:39:04,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:04,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:04,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:39:04,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:39:04,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:39:04,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:39:04,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:39:04,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:04,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:04,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:04,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:39:04,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:39:04,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:39:04,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:04,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:04,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:39:04,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:39:04,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:39:04,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:39:04,820 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 15:39:04,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1785307850] [2020-10-28 15:39:04,823 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:39:04,823 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 15:39:04,824 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461555629] [2020-10-28 15:39:04,830 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 15:39:04,831 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:39:04,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 15:39:04,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-28 15:39:04,850 INFO L87 Difference]: Start difference. First operand 762 states. Second operand 10 states. [2020-10-28 15:39:05,892 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 15:39:07,747 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-28 15:39:09,597 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 15:39:10,866 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-28 15:39:34,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:39:34,227 INFO L93 Difference]: Finished difference Result 1694 states and 2992 transitions. [2020-10-28 15:39:34,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-28 15:39:34,230 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 108 [2020-10-28 15:39:34,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:39:34,275 INFO L225 Difference]: With dead ends: 1694 [2020-10-28 15:39:34,275 INFO L226 Difference]: Without dead ends: 1127 [2020-10-28 15:39:34,296 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2020-10-28 15:39:34,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1127 states. [2020-10-28 15:39:34,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1127 to 599. [2020-10-28 15:39:34,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 599 states. [2020-10-28 15:39:34,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 957 transitions. [2020-10-28 15:39:34,742 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 957 transitions. Word has length 108 [2020-10-28 15:39:34,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:39:34,743 INFO L481 AbstractCegarLoop]: Abstraction has 599 states and 957 transitions. [2020-10-28 15:39:34,743 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 15:39:34,743 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 957 transitions. [2020-10-28 15:39:34,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-28 15:39:34,756 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:39:34,756 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:39:34,756 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 15:39:34,757 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 15:39:34,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:39:34,757 INFO L82 PathProgramCache]: Analyzing trace with hash 119946782, now seen corresponding path program 1 times [2020-10-28 15:39:34,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:39:34,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [653340722] [2020-10-28 15:39:34,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:39:34,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:34,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:34,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:35,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:35,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:36,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:37,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:39,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:39,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-28 15:39:39,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:39:39,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-28 15:39:39,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:39,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:39,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:39:39,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-28 15:39:39,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:39:39,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:41,047 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-28 15:39:41,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:39:41,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:41,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:41,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:41,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:39:41,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:39:41,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-28 15:39:41,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:41,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:41,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:39:41,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:39:41,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:39:41,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:41,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:39:41,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:41,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:41,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:41,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:39:41,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:39:41,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:39:41,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:41,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:41,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:39:41,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:39:41,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:39:41,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:41,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:39:41,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:41,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:41,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:41,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:39:41,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:39:41,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:39:41,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:41,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:41,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:39:41,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:39:41,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:39:41,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:41,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:39:41,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:41,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:41,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:41,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:39:41,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:39:41,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:39:41,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:41,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:41,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:39:41,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:39:41,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:39:41,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:41,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:39:41,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:41,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:41,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:41,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:39:41,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:39:41,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:39:41,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:41,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:41,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:39:41,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:39:41,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:39:41,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:41,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 15:39:41,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:41,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:41,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:41,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:39:41,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:39:41,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:39:41,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:41,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:41,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:39:41,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:39:41,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:39:41,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:41,428 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-28 15:39:41,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:39:41,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:41,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:41,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:41,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:41,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:41,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:42,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:42,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:46,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:46,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-28 15:39:46,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 15:39:46,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-28 15:39:46,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:46,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:46,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:39:46,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 15:39:46,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:39:46,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:46,594 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:39:46,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:39:46,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:46,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:46,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:46,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:46,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:46,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:46,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 15:39:46,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:39:46,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 374 [2020-10-28 15:39:46,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:46,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:46,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:39:46,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 15:39:46,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:39:46,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:46,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:39:46,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:46,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:46,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:46,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:46,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:39:46,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:39:46,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:39:46,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:46,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:46,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:39:46,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:39:46,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:39:46,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:46,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:39:47,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:47,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:47,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:47,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 15:39:47,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:39:47,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 15:39:47,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:47,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:47,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:39:47,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 15:39:47,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 15:39:47,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:47,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-28 15:39:47,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:47,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:47,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:47,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:39:47,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:39:47,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:39:47,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:47,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:47,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:39:47,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:39:47,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:39:47,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:47,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 15:39:47,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:47,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:47,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:47,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:47,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:47,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:47,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-28 15:39:47,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:39:47,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 553 [2020-10-28 15:39:47,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:47,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:47,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:39:47,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-28 15:39:47,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:39:47,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:47,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:39:47,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:47,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:47,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:47,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:47,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:48,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:48,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 15:39:48,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:39:48,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 449 [2020-10-28 15:39:48,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:48,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:48,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:39:48,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:39:48,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:39:48,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:48,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:39:48,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:48,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:48,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:48,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:39:48,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:39:48,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:39:48,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:48,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:48,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:39:48,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:39:48,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:39:48,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:48,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:39:48,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:48,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:48,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:48,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:39:48,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:39:48,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:39:48,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:48,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:48,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:39:48,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:39:48,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:39:48,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:48,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 15:39:48,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:48,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:48,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:48,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 15:39:48,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:39:48,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:39:48,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:48,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:48,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:39:48,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:39:48,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:39:48,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:48,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 15:39:48,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:48,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:48,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:48,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:48,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 15:39:48,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:39:48,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 15:39:48,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:48,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:48,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:39:48,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:39:48,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:39:48,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:48,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 15:39:48,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:48,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:48,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:48,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 15:39:48,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:39:48,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:39:48,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:48,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:48,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:39:48,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:39:48,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:39:48,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:39:48,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:39:48,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:48,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:48,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:48,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:39:48,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:39:48,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:39:48,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:48,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:48,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:39:48,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:39:48,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:39:48,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:39:48,375 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 15:39:48,375 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [653340722] [2020-10-28 15:39:48,376 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:39:48,376 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 15:39:48,376 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689576722] [2020-10-28 15:39:48,378 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 15:39:48,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:39:48,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 15:39:48,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-28 15:39:48,380 INFO L87 Difference]: Start difference. First operand 599 states and 957 transitions. Second operand 10 states. [2020-10-28 15:39:49,447 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 15:39:51,328 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-28 15:39:53,036 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 15:39:54,362 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-28 15:40:18,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:40:18,227 INFO L93 Difference]: Finished difference Result 1643 states and 2883 transitions. [2020-10-28 15:40:18,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-28 15:40:18,228 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 111 [2020-10-28 15:40:18,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:40:18,242 INFO L225 Difference]: With dead ends: 1643 [2020-10-28 15:40:18,242 INFO L226 Difference]: Without dead ends: 1127 [2020-10-28 15:40:18,247 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2020-10-28 15:40:18,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1127 states. [2020-10-28 15:40:18,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1127 to 599. [2020-10-28 15:40:18,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 599 states. [2020-10-28 15:40:18,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 952 transitions. [2020-10-28 15:40:18,472 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 952 transitions. Word has length 111 [2020-10-28 15:40:18,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:40:18,472 INFO L481 AbstractCegarLoop]: Abstraction has 599 states and 952 transitions. [2020-10-28 15:40:18,472 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 15:40:18,472 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 952 transitions. [2020-10-28 15:40:18,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-10-28 15:40:18,476 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:40:18,477 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:40:18,477 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 15:40:18,477 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 15:40:18,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:40:18,478 INFO L82 PathProgramCache]: Analyzing trace with hash -1183561894, now seen corresponding path program 1 times [2020-10-28 15:40:18,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:40:18,478 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [111110196] [2020-10-28 15:40:18,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:40:18,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:18,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:18,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:18,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:18,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:19,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:20,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:20,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:23,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:23,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-28 15:40:23,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 15:40:23,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-28 15:40:23,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:23,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:23,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:40:23,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-28 15:40:23,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 15:40:23,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:24,745 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-28 15:40:24,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:40:24,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:24,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:24,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:24,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:40:24,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:24,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-28 15:40:24,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:24,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:24,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:24,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:24,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:24,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:24,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:40:24,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:24,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:24,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:24,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:40:24,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:24,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:40:24,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:24,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:24,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:24,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:24,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:24,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:24,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:40:24,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:24,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:24,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:24,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:40:24,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:24,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:40:24,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:24,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:24,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:24,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:24,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:24,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:24,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:40:24,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:24,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:24,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:24,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:40:24,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:24,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:40:24,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:24,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:24,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:24,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:24,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:24,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:24,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:40:24,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:24,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:24,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:24,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:40:24,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:24,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:40:24,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:24,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:24,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:24,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:24,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:24,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:24,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 15:40:24,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:24,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:24,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:24,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:40:24,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:24,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:40:24,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:24,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:24,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:24,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:24,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:24,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:25,119 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-28 15:40:25,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:40:25,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:25,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:25,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:25,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:25,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:25,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:26,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:26,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:30,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:30,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-28 15:40:30,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 15:40:30,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-28 15:40:30,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:30,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:30,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:40:30,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 15:40:30,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 15:40:30,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:30,287 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:40:30,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:40:30,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:30,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:30,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:30,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:30,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:30,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:30,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 15:40:30,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:40:30,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 594 [2020-10-28 15:40:30,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:30,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:30,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:40:30,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 15:40:30,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 15:40:30,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:30,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:40:30,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:30,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:30,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:30,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:30,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:40:30,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:40:30,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:40:30,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:30,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:30,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:30,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:30,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:30,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:30,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:40:30,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:30,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:30,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:30,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 15:40:30,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:30,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 15:40:30,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:30,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:30,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:40:30,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 15:40:30,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 15:40:30,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:31,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-28 15:40:31,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:31,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:31,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:31,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:40:31,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:31,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:40:31,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:31,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:31,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:40:31,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:31,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:40:31,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:31,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 15:40:31,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:31,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:31,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:31,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:31,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:31,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:31,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-28 15:40:31,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:40:31,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 622 [2020-10-28 15:40:31,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:31,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:31,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:31,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-28 15:40:31,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:31,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:31,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:40:31,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:31,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:31,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:31,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:31,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:32,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:32,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 15:40:32,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:40:32,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 611 [2020-10-28 15:40:32,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:32,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:32,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:32,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:32,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:32,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:40:32,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:40:32,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:32,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:32,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:32,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:40:32,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:32,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:40:32,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:32,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:32,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:32,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:32,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:32,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:40:32,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:40:32,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:32,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:32,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:32,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:40:32,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:32,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:40:32,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:32,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:32,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:32,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:32,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:32,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:32,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 15:40:32,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:32,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:32,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:32,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 15:40:32,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:32,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:40:32,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:32,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:32,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:32,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:32,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:32,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:40:32,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 15:40:32,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:32,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:32,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:32,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:32,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 15:40:32,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:40:32,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 15:40:32,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:32,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:32,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:32,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:32,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:32,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:32,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 15:40:32,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:32,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:32,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:32,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 15:40:32,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:32,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:40:32,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:32,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:32,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:32,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:32,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:32,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:32,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:40:32,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:32,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:32,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:32,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:40:32,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:32,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:40:32,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:32,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:32,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:32,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:32,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:32,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:40:32,544 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 15:40:32,544 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [111110196] [2020-10-28 15:40:32,545 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:40:32,545 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 15:40:32,545 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906313825] [2020-10-28 15:40:32,548 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 15:40:32,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:40:32,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 15:40:32,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-28 15:40:32,550 INFO L87 Difference]: Start difference. First operand 599 states and 952 transitions. Second operand 10 states. [2020-10-28 15:40:34,178 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 15:40:35,991 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-28 15:40:37,801 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 15:40:39,174 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-28 15:41:02,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:41:02,834 INFO L93 Difference]: Finished difference Result 1643 states and 2878 transitions. [2020-10-28 15:41:02,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-28 15:41:02,835 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 112 [2020-10-28 15:41:02,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:41:02,845 INFO L225 Difference]: With dead ends: 1643 [2020-10-28 15:41:02,846 INFO L226 Difference]: Without dead ends: 1127 [2020-10-28 15:41:02,850 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2020-10-28 15:41:02,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1127 states. [2020-10-28 15:41:03,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1127 to 599. [2020-10-28 15:41:03,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 599 states. [2020-10-28 15:41:03,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 947 transitions. [2020-10-28 15:41:03,048 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 947 transitions. Word has length 112 [2020-10-28 15:41:03,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:41:03,048 INFO L481 AbstractCegarLoop]: Abstraction has 599 states and 947 transitions. [2020-10-28 15:41:03,049 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 15:41:03,049 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 947 transitions. [2020-10-28 15:41:03,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-10-28 15:41:03,052 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:41:03,053 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:41:03,053 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 15:41:03,053 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 15:41:03,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:41:03,054 INFO L82 PathProgramCache]: Analyzing trace with hash -597889543, now seen corresponding path program 1 times [2020-10-28 15:41:03,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:41:03,054 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [658381184] [2020-10-28 15:41:03,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:41:03,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:03,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:03,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:03,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:03,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:03,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:04,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:05,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:08,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:08,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-28 15:41:08,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 15:41:08,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-28 15:41:08,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:08,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:08,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:41:08,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-28 15:41:08,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 15:41:08,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:09,300 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-28 15:41:09,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:41:09,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:09,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:09,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:09,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:41:09,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:09,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-28 15:41:09,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:09,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:09,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:09,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:09,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:09,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:09,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:41:09,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:09,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:09,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:09,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:41:09,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:09,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:41:09,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:09,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:09,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:09,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:09,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:09,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:09,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:41:09,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:09,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:09,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:09,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:41:09,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:09,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:41:09,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:09,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:09,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:09,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:09,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:09,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:09,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:41:09,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:09,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:09,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:09,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:41:09,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:09,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:41:09,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:09,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:09,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:09,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:09,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:09,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:09,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:41:09,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:09,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:09,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:09,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:41:09,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:09,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:41:09,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:09,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:09,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:09,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:09,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:09,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:09,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 15:41:09,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:09,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:09,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:09,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:41:09,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:09,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:41:09,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:09,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:09,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:09,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:09,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:09,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:09,723 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-28 15:41:09,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:41:09,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:09,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:09,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:09,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:09,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:09,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:11,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:11,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:14,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:14,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-28 15:41:14,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 15:41:14,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 15:41:14,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:14,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:14,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:41:14,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 15:41:14,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 15:41:14,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:14,907 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:41:14,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:41:14,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:14,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:14,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:14,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:14,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:15,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:15,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-28 15:41:15,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:41:15,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 314 [2020-10-28 15:41:15,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:15,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:15,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:41:15,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 15:41:15,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 15:41:15,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:15,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:41:15,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:15,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:15,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:15,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:15,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:41:15,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:41:15,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:41:15,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:15,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:15,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:15,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:15,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:15,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:15,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:41:15,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:15,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:15,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:15,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 15:41:15,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:15,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 15:41:15,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:15,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:15,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:41:15,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 15:41:15,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 15:41:15,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:15,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:41:15,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:15,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:15,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:15,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:41:15,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:15,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:41:15,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:15,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:15,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:41:15,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:15,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:41:15,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:15,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 15:41:15,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:15,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:15,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:15,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:15,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:15,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:15,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-28 15:41:15,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:41:15,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 452 [2020-10-28 15:41:15,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:15,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:15,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:15,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-28 15:41:15,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:15,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:15,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:41:15,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:15,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:15,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:15,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:15,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:16,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:16,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 15:41:16,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:41:16,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 324 [2020-10-28 15:41:16,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:16,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:16,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:16,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:16,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:16,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:16,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:41:16,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:16,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:16,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:16,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:41:16,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:16,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:41:16,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:16,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:16,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:16,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:16,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:16,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:16,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:41:16,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:16,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:16,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:16,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:41:16,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:16,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:41:16,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:16,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:16,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:16,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:16,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:16,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:16,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 15:41:16,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:16,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:16,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:16,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 15:41:16,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:16,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:41:16,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:16,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:16,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:16,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:16,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:16,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:16,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 15:41:16,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:16,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:16,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:16,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:16,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 15:41:16,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:41:16,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:41:16,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:16,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:16,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:16,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:16,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:16,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:16,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 15:41:16,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:16,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:16,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:16,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 15:41:16,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:16,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:41:16,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:16,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:16,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:16,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:16,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:16,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:16,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:41:16,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:16,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:16,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:16,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:41:16,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:16,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:41:16,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:16,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:16,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:16,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:16,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:16,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:16,276 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 15:41:16,276 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [658381184] [2020-10-28 15:41:16,276 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:41:16,277 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 15:41:16,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712736086] [2020-10-28 15:41:16,277 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 15:41:16,277 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:41:16,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 15:41:16,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-28 15:41:16,278 INFO L87 Difference]: Start difference. First operand 599 states and 947 transitions. Second operand 10 states. [2020-10-28 15:41:17,169 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 15:41:19,171 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-28 15:41:21,144 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 15:41:22,528 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-28 15:41:51,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:41:51,932 INFO L93 Difference]: Finished difference Result 1643 states and 2873 transitions. [2020-10-28 15:41:51,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-28 15:41:51,933 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 113 [2020-10-28 15:41:51,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:41:51,943 INFO L225 Difference]: With dead ends: 1643 [2020-10-28 15:41:51,943 INFO L226 Difference]: Without dead ends: 1127 [2020-10-28 15:41:51,947 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2020-10-28 15:41:51,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1127 states. [2020-10-28 15:41:52,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1127 to 599. [2020-10-28 15:41:52,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 599 states. [2020-10-28 15:41:52,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 942 transitions. [2020-10-28 15:41:52,181 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 942 transitions. Word has length 113 [2020-10-28 15:41:52,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:41:52,181 INFO L481 AbstractCegarLoop]: Abstraction has 599 states and 942 transitions. [2020-10-28 15:41:52,181 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 15:41:52,181 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 942 transitions. [2020-10-28 15:41:52,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-10-28 15:41:52,185 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:41:52,186 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:41:52,186 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 15:41:52,186 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 15:41:52,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:41:52,187 INFO L82 PathProgramCache]: Analyzing trace with hash 18019064, now seen corresponding path program 1 times [2020-10-28 15:41:52,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:41:52,187 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1812399059] [2020-10-28 15:41:52,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:41:52,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:52,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:52,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:52,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:52,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:52,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:53,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:53,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:57,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:57,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-28 15:41:57,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 15:41:57,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-28 15:41:57,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:57,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:57,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:41:57,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-28 15:41:57,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 15:41:57,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:58,582 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-28 15:41:58,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:41:58,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:58,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:58,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:58,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:41:58,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:58,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 15:41:58,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:58,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:58,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:58,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:58,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:58,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:58,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:41:58,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:58,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:58,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:58,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:41:58,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:58,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:41:58,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:58,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:58,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:58,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:58,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:58,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:58,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:41:58,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:58,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:58,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:58,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:41:58,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:58,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:41:58,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:58,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:58,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:58,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:58,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:58,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:58,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:41:58,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:58,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:58,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:58,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:41:58,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:58,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:41:58,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:58,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:58,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:58,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:58,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:58,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:58,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:41:58,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:58,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:58,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:58,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:41:58,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:58,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:41:58,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:58,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:58,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:58,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:58,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:58,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:58,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 15:41:58,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:58,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:58,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:58,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:41:58,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:58,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:41:58,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:58,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:58,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:58,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:58,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:58,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:58,972 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-28 15:41:58,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:41:58,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:58,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:59,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:59,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:59,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:59,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:59,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:00,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:03,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:03,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-28 15:42:03,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 15:42:03,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 15:42:03,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:03,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:03,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:42:03,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 15:42:03,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:42:03,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:04,151 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:42:04,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:42:04,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:04,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:04,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:04,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:04,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:04,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:04,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-28 15:42:04,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:42:04,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 672 [2020-10-28 15:42:04,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:04,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:04,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:42:04,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 15:42:04,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 15:42:04,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:04,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:42:04,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:04,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:04,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:04,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:04,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:42:04,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:42:04,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:42:04,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:04,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:04,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:42:04,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:42:04,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:42:04,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:04,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:42:04,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:04,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:04,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:04,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 15:42:04,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:42:04,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 15:42:04,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:04,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:04,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:42:04,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-28 15:42:04,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 15:42:04,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:04,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:42:04,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:04,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:04,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:04,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:42:04,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:42:04,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 15:42:04,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:04,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:04,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:42:04,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 15:42:04,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:42:04,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:05,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 15:42:05,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:05,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:05,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:05,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:05,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:05,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:05,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-28 15:42:05,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:42:05,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 676 [2020-10-28 15:42:05,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:05,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:05,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:42:05,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-28 15:42:05,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:42:05,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:05,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:42:05,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:05,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:05,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:05,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:05,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:06,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:06,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 15:42:06,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:42:06,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 413 [2020-10-28 15:42:06,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:06,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:06,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:42:06,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:42:06,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:42:06,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:06,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:42:06,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:06,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:06,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:06,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:42:06,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:42:06,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:42:06,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:06,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:06,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:42:06,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:42:06,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:42:06,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:06,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:42:06,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:06,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:06,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:06,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:42:06,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:42:06,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:42:06,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:06,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:06,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:42:06,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:42:06,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:42:06,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:06,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 15:42:06,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:06,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:06,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:06,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 15:42:06,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:42:06,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:42:06,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:06,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:06,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:42:06,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:42:06,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:42:06,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:06,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 15:42:06,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:06,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:06,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:06,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:06,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 15:42:06,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:42:06,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:42:06,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:06,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:06,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:42:06,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:42:06,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:42:06,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:06,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 15:42:06,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:06,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:06,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:06,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 15:42:06,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:42:06,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:42:06,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:06,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:06,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:42:06,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:42:06,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:42:06,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:06,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:42:06,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:06,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:06,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:06,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:42:06,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:42:06,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:42:06,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:06,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:06,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:42:06,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:42:06,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:42:06,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:06,312 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 15:42:06,312 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1812399059] [2020-10-28 15:42:06,312 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:42:06,312 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 15:42:06,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864024037] [2020-10-28 15:42:06,314 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 15:42:06,314 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:42:06,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 15:42:06,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-28 15:42:06,315 INFO L87 Difference]: Start difference. First operand 599 states and 942 transitions. Second operand 11 states. [2020-10-28 15:42:07,396 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 15:42:09,489 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 413 [2020-10-28 15:42:11,153 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-28 15:42:12,875 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 15:42:14,285 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 121