/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/elevator_spec2_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 02:17:08,477 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 02:17:08,480 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 02:17:08,515 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 02:17:08,515 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 02:17:08,517 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 02:17:08,519 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 02:17:08,521 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 02:17:08,530 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 02:17:08,531 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 02:17:08,532 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 02:17:08,533 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 02:17:08,534 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 02:17:08,535 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 02:17:08,536 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 02:17:08,538 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 02:17:08,539 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 02:17:08,540 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 02:17:08,542 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 02:17:08,544 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 02:17:08,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 02:17:08,548 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 02:17:08,549 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 02:17:08,550 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 02:17:08,554 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 02:17:08,554 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 02:17:08,555 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 02:17:08,556 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 02:17:08,556 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 02:17:08,557 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 02:17:08,558 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 02:17:08,558 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 02:17:08,559 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 02:17:08,560 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 02:17:08,561 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 02:17:08,562 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 02:17:08,562 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 02:17:08,563 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 02:17:08,563 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 02:17:08,564 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 02:17:08,565 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 02:17:08,568 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 02:17:08,613 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 02:17:08,613 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 02:17:08,615 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 02:17:08,615 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 02:17:08,615 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 02:17:08,615 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 02:17:08,616 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 02:17:08,616 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 02:17:08,616 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 02:17:08,616 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 02:17:08,616 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 02:17:08,617 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 02:17:08,617 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 02:17:08,617 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 02:17:08,617 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 02:17:08,617 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 02:17:08,618 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 02:17:08,618 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 02:17:08,618 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 02:17:08,618 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 02:17:08,618 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 02:17:08,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:17:08,619 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 02:17:08,619 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 02:17:08,619 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 02:17:08,620 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 02:17:08,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 02:17:08,620 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 02:17:08,620 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 02:17:08,620 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 02:17:08,993 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 02:17:09,027 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 02:17:09,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 02:17:09,035 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 02:17:09,036 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 02:17:09,037 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product20.cil.c [2020-10-27 02:17:09,134 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3102adcaf/b6a8637720e34610acf570ccd80faccc/FLAGb85f00d5b [2020-10-27 02:17:09,999 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 02:17:10,000 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec2_product20.cil.c [2020-10-27 02:17:10,023 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3102adcaf/b6a8637720e34610acf570ccd80faccc/FLAGb85f00d5b [2020-10-27 02:17:10,125 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3102adcaf/b6a8637720e34610acf570ccd80faccc [2020-10-27 02:17:10,128 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 02:17:10,135 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 02:17:10,137 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 02:17:10,137 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 02:17:10,141 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 02:17:10,142 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:17:10" (1/1) ... [2020-10-27 02:17:10,146 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d68c023 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:17:10, skipping insertion in model container [2020-10-27 02:17:10,146 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:17:10" (1/1) ... [2020-10-27 02:17:10,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 02:17:10,226 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 02:17:10,924 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:17:10,964 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 02:17:11,137 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:17:11,226 INFO L208 MainTranslator]: Completed translation [2020-10-27 02:17:11,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:17:11 WrapperNode [2020-10-27 02:17:11,227 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 02:17:11,228 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 02:17:11,229 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 02:17:11,229 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 02:17:11,244 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:17:11" (1/1) ... [2020-10-27 02:17:11,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:17:11" (1/1) ... [2020-10-27 02:17:11,279 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:17:11" (1/1) ... [2020-10-27 02:17:11,280 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:17:11" (1/1) ... [2020-10-27 02:17:11,343 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:17:11" (1/1) ... [2020-10-27 02:17:11,404 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:17:11" (1/1) ... [2020-10-27 02:17:11,422 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:17:11" (1/1) ... [2020-10-27 02:17:11,438 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 02:17:11,439 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 02:17:11,439 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 02:17:11,439 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 02:17:11,440 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:17:11" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:17:11,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 02:17:11,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 02:17:11,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 02:17:11,528 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 02:17:11,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-27 02:17:11,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-27 02:17:11,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2020-10-27 02:17:11,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2020-10-27 02:17:11,529 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-27 02:17:11,529 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-27 02:17:11,529 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-27 02:17:11,529 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-27 02:17:11,529 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-27 02:17:11,529 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-27 02:17:11,530 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-27 02:17:11,530 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-27 02:17:11,530 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-27 02:17:11,530 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-27 02:17:11,530 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-27 02:17:11,531 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-27 02:17:11,531 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-27 02:17:11,531 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-27 02:17:11,531 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-27 02:17:11,531 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-27 02:17:11,531 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2020-10-27 02:17:11,531 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-27 02:17:11,532 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-27 02:17:11,532 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-27 02:17:11,532 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-27 02:17:11,532 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-27 02:17:11,532 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-27 02:17:11,532 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-27 02:17:11,533 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2020-10-27 02:17:11,533 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 02:17:11,533 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2020-10-27 02:17:11,533 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-27 02:17:11,533 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-27 02:17:11,533 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-27 02:17:11,534 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-27 02:17:11,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 02:17:11,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 02:17:11,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 02:17:11,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 02:17:11,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 02:17:11,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 02:17:11,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 02:17:11,535 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-27 02:17:11,535 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-27 02:17:11,535 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-27 02:17:11,535 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-27 02:17:11,535 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-27 02:17:11,536 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-27 02:17:11,536 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-27 02:17:11,536 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-27 02:17:11,536 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 02:17:11,536 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 02:17:11,536 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 02:17:11,537 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 02:17:11,537 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 02:17:11,537 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-27 02:17:11,537 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-27 02:17:11,537 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-27 02:17:11,537 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-27 02:17:11,538 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-27 02:17:11,538 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-27 02:17:11,538 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-27 02:17:11,538 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-27 02:17:11,538 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-27 02:17:11,538 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-27 02:17:11,539 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 02:17:11,539 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-27 02:17:11,539 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-27 02:17:11,539 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-27 02:17:11,539 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 02:17:11,539 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-27 02:17:11,539 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 02:17:11,540 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 02:17:11,540 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 02:17:11,540 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-27 02:17:11,540 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-27 02:17:11,540 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-27 02:17:11,540 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 02:17:11,541 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 02:17:11,541 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 02:17:11,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 02:17:11,541 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 02:17:11,541 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 02:17:11,541 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-27 02:17:11,541 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-27 02:17:11,542 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-27 02:17:11,542 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-27 02:17:11,542 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2020-10-27 02:17:11,542 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2020-10-27 02:17:11,542 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 02:17:11,542 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-27 02:17:11,542 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-27 02:17:11,543 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-27 02:17:11,543 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-27 02:17:11,543 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-27 02:17:11,543 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-27 02:17:11,543 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-27 02:17:11,543 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-27 02:17:11,543 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-27 02:17:11,544 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 02:17:11,544 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-27 02:17:11,544 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-27 02:17:11,544 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-27 02:17:11,544 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-27 02:17:11,544 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-27 02:17:11,544 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-27 02:17:11,544 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-27 02:17:11,545 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-27 02:17:11,545 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-27 02:17:11,545 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-27 02:17:11,545 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-27 02:17:11,545 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-27 02:17:11,545 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-27 02:17:11,545 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-27 02:17:11,546 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-27 02:17:11,546 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-27 02:17:11,546 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-27 02:17:11,546 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2020-10-27 02:17:11,546 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-27 02:17:11,546 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-27 02:17:11,547 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-27 02:17:11,547 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-27 02:17:11,547 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-27 02:17:11,547 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-27 02:17:11,547 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2020-10-27 02:17:11,547 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2020-10-27 02:17:11,547 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-27 02:17:11,548 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 02:17:11,548 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 02:17:11,548 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 02:17:11,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 02:17:11,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 02:17:11,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 02:17:11,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 02:17:11,549 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 02:17:11,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 02:17:11,549 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 02:17:11,549 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 02:17:11,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 02:17:11,549 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 02:17:11,549 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 02:17:11,550 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 02:17:11,550 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-27 02:17:11,550 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-27 02:17:11,550 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-27 02:17:11,550 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 02:17:11,550 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 02:17:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 02:17:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 02:17:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 02:17:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 02:17:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-27 02:17:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-27 02:17:11,552 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-27 02:17:11,552 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 02:17:11,552 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-27 02:17:11,552 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-27 02:17:11,552 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-27 02:17:11,552 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-27 02:17:11,552 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-27 02:17:11,553 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-27 02:17:11,553 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-27 02:17:11,553 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-27 02:17:11,553 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-27 02:17:11,553 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-27 02:17:11,553 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 02:17:11,553 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-27 02:17:11,554 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 02:17:11,554 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 02:17:11,554 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 02:17:11,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 02:17:11,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 02:17:11,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 02:17:14,177 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 02:17:14,178 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-27 02:17:14,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:17:14 BoogieIcfgContainer [2020-10-27 02:17:14,182 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 02:17:14,184 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 02:17:14,184 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 02:17:14,188 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 02:17:14,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 02:17:10" (1/3) ... [2020-10-27 02:17:14,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18d1e9da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:17:14, skipping insertion in model container [2020-10-27 02:17:14,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:17:11" (2/3) ... [2020-10-27 02:17:14,190 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18d1e9da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:17:14, skipping insertion in model container [2020-10-27 02:17:14,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:17:14" (3/3) ... [2020-10-27 02:17:14,192 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product20.cil.c [2020-10-27 02:17:14,205 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 02:17:14,211 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 02:17:14,227 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 02:17:14,262 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 02:17:14,262 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 02:17:14,262 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 02:17:14,262 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 02:17:14,263 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 02:17:14,263 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 02:17:14,263 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 02:17:14,263 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 02:17:14,315 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states. [2020-10-27 02:17:14,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-27 02:17:14,345 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:17:14,346 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:17:14,347 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:17:14,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:17:14,361 INFO L82 PathProgramCache]: Analyzing trace with hash 1034006815, now seen corresponding path program 1 times [2020-10-27 02:17:14,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:17:14,371 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1837527865] [2020-10-27 02:17:14,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:17:14,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:15,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:15,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:15,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:15,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:17,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:19,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:19,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:19,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-27 02:17:19,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:17:19,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 02:17:19,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:19,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 02:17:19,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:17:19,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-27 02:17:19,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 02:17:21,085 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:17:21,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:17:21,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:21,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:21,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:21,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:17:21,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:21,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 213 [2020-10-27 02:17:21,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:21,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:17:21,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:21,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:17:21,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:21,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:17:21,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:21,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:21,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:21,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:17:21,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:21,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:17:21,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:21,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:17:21,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:21,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:17:21,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:21,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:17:21,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:21,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:21,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:21,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:17:21,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:21,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:17:21,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:21,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:17:21,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:21,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:17:21,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 02:17:21,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:17:21,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:21,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:21,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:21,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:17:21,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:21,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:17:21,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:21,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:17:21,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:21,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:17:21,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:21,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:17:21,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:21,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:21,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:21,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:17:21,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:21,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:17:21,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:21,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:17:21,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:21,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:17:21,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:21,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 02:17:21,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:21,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:21,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:21,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:17:21,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:21,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:17:21,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:21,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:17:21,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:21,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:17:21,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:21,790 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 02:17:21,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:17:21,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:21,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:21,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:21,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:21,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:22,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:23,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:26,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:26,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-27 02:17:26,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:17:26,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 02:17:26,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:26,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 02:17:26,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 02:17:26,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 02:17:26,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:17:27,086 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 02:17:27,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:17:27,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:27,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:27,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:27,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:27,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:27,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:27,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:27,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:17:27,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:17:27,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 759 [2020-10-27 02:17:27,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:27,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:17:27,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:27,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 02:17:27,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:27,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:17:27,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:27,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:27,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:27,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:27,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:17:27,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:17:27,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:17:27,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:27,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:27,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:27,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:27,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:27,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:17:27,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:27,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:27,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:27,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:27,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:17:27,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:17:27,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-27 02:17:27,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:27,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:27,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:27,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:27,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:27,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:17:27,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:27,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:27,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:27,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:17:27,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:27,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:17:27,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:27,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:27,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:27,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:27,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:27,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 02:17:27,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:28,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:28,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:28,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:28,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-27 02:17:28,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:17:28,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 170 [2020-10-27 02:17:28,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:28,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 02:17:28,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 02:17:28,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 02:17:28,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:28,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:17:28,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:28,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:28,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:28,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 02:17:28,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:28,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-27 02:17:28,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:28,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:17:28,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 02:17:28,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-27 02:17:28,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:28,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:17:28,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:28,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:28,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:28,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:17:28,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:28,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:17:28,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:28,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:17:28,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:28,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:17:28,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:28,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:17:28,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:28,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:28,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:28,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 02:17:28,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:28,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:17:28,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:28,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:17:28,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:28,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 02:17:28,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:17:28,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:17:28,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:28,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:28,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:28,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:17:28,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:28,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:17:28,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:28,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:28,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:28,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:28,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:28,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 02:17:28,455 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1837527865] [2020-10-27 02:17:28,458 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:17:28,458 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 02:17:28,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834280127] [2020-10-27 02:17:28,465 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 02:17:28,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:17:28,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 02:17:28,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2020-10-27 02:17:28,487 INFO L87 Difference]: Start difference. First operand 790 states. Second operand 11 states. [2020-10-27 02:17:30,561 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 422 [2020-10-27 02:17:31,192 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 02:17:32,888 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 02:17:34,932 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 02:17:36,457 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 02:17:40,406 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:17:59,283 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 02:18:00,491 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:18:01,046 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 02:18:21,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:18:21,951 INFO L93 Difference]: Finished difference Result 2491 states and 4392 transitions. [2020-10-27 02:18:21,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-27 02:18:21,953 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 86 [2020-10-27 02:18:21,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:18:22,015 INFO L225 Difference]: With dead ends: 2491 [2020-10-27 02:18:22,016 INFO L226 Difference]: Without dead ends: 1909 [2020-10-27 02:18:22,032 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=228, Invalid=528, Unknown=0, NotChecked=0, Total=756 [2020-10-27 02:18:22,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1909 states. [2020-10-27 02:18:22,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1909 to 1131. [2020-10-27 02:18:22,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1131 states. [2020-10-27 02:18:22,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 1131 states and 1827 transitions. [2020-10-27 02:18:22,609 INFO L78 Accepts]: Start accepts. Automaton has 1131 states and 1827 transitions. Word has length 86 [2020-10-27 02:18:22,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:18:22,610 INFO L481 AbstractCegarLoop]: Abstraction has 1131 states and 1827 transitions. [2020-10-27 02:18:22,610 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 02:18:22,610 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 1827 transitions. [2020-10-27 02:18:22,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-27 02:18:22,626 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:18:22,626 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:18:22,627 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 02:18:22,627 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:18:22,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:18:22,628 INFO L82 PathProgramCache]: Analyzing trace with hash 455533056, now seen corresponding path program 1 times [2020-10-27 02:18:22,628 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:18:22,630 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [345036049] [2020-10-27 02:18:22,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:18:22,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:22,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:22,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:23,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:23,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:23,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:26,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:27,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:27,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:27,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-10-27 02:18:27,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 02:18:27,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5051 [2020-10-27 02:18:27,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:27,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:18:27,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:18:27,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-27 02:18:27,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:29,082 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:18:29,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:18:29,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:29,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:29,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:29,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:18:29,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:29,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-10-27 02:18:29,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:29,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:18:29,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:18:29,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:18:29,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:18:29,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:18:29,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:29,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:29,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:29,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:18:29,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:29,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:18:29,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:29,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:18:29,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:18:29,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:18:29,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:29,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:18:29,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:29,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:29,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:29,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:18:29,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:29,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:18:29,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:29,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:18:29,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:18:29,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:18:29,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:29,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:18:29,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:29,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:29,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:29,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:18:29,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:29,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:18:29,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:29,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:18:29,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:18:29,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:18:29,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:29,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:18:29,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:29,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:29,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:29,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:18:29,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:29,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:18:29,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:29,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:18:29,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:18:29,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:18:29,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:29,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 02:18:29,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:29,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:29,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:29,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:18:29,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:29,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:18:29,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:29,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:18:29,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:18:29,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:18:29,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:29,636 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 02:18:29,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:18:29,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:29,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:29,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:29,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:29,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:29,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:33,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:33,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:34,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:34,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-10-27 02:18:34,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 02:18:34,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-27 02:18:34,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:34,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:18:34,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:18:34,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:18:34,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:34,819 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 02:18:34,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:18:34,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:34,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:34,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:34,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:34,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:35,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:35,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:18:35,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:18:35,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 436 [2020-10-27 02:18:35,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:35,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:18:35,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:18:35,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:18:35,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-27 02:18:35,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:18:35,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:35,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:35,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:35,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:18:35,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:35,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:18:35,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:35,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:18:35,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:18:35,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:18:35,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:35,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:18:35,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:35,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:35,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:35,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:35,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:18:35,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:18:35,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 02:18:35,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:35,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:18:35,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:18:35,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 02:18:35,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:35,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:18:35,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:35,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:35,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:35,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:18:35,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:35,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:18:35,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:35,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:18:35,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:18:35,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:18:35,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:35,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 02:18:35,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:35,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:35,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:35,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:35,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-27 02:18:35,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:18:35,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 139 [2020-10-27 02:18:35,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:35,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:18:35,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-10-27 02:18:35,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 02:18:35,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:35,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:18:35,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:35,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:35,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:35,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-27 02:18:35,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:35,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-27 02:18:35,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:35,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:18:35,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-27 02:18:35,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 02:18:35,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:35,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:18:35,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:35,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:35,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:35,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:18:35,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:35,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:18:35,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:35,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:18:35,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:18:35,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:18:35,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:36,001 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-27 02:18:36,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:18:36,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:36,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:36,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:36,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 02:18:36,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:36,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 02:18:36,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:36,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:18:36,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-27 02:18:36,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 02:18:36,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:36,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:18:36,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:36,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:36,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:36,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 02:18:36,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:36,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:18:36,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:36,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:18:36,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:18:36,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:18:36,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:36,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:18:36,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:36,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:36,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:36,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:18:36,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:36,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:18:36,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:36,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:18:36,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:18:36,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:18:36,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:36,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:18:36,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:36,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:36,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:36,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:18:36,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:36,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:18:36,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:36,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:18:36,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:18:36,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:18:36,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:36,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 02:18:36,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:36,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:36,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:36,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:18:36,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:36,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:18:36,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:36,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:18:36,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:18:36,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:18:36,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:36,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:18:36,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:36,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:36,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:36,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:18:36,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:36,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:18:36,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:36,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:18:36,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:18:36,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:18:36,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:36,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:18:36,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:36,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:36,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:36,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:18:36,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:36,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:18:36,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:36,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:18:36,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:18:36,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:18:36,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:36,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:18:36,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:36,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:36,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:36,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:18:36,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:36,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:18:36,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:36,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:18:36,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:18:36,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:18:36,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:36,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 02:18:36,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:36,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:36,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:36,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:18:36,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:36,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:18:36,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:36,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:18:36,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:18:36,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:18:36,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:36,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 02:18:36,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:36,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:36,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:36,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:18:36,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:36,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:18:36,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:36,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:18:36,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 02:18:36,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 02:18:36,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:36,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-27 02:18:36,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:36,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:36,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:36,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 02:18:36,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:36,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:18:36,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:36,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:18:36,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 02:18:36,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:18:36,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:36,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:18:36,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:36,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:36,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:36,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:18:36,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:36,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:18:36,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:36,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:18:36,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:18:36,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:18:36,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:36,340 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-27 02:18:36,341 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [345036049] [2020-10-27 02:18:36,341 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:18:36,341 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-27 02:18:36,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343691501] [2020-10-27 02:18:36,343 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 02:18:36,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:18:36,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 02:18:36,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2020-10-27 02:18:36,344 INFO L87 Difference]: Start difference. First operand 1131 states and 1827 transitions. Second operand 15 states. [2020-10-27 02:18:38,606 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 420 [2020-10-27 02:18:39,082 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 02:18:40,383 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 02:18:41,652 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 425 [2020-10-27 02:18:43,034 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 02:18:45,085 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 02:18:45,822 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 02:18:52,644 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 02:18:52,964 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 02:18:55,129 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 02:18:55,702 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 02:18:55,916 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 02:18:57,785 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:18:58,673 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-27 02:19:02,305 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-27 02:19:50,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:19:50,586 INFO L93 Difference]: Finished difference Result 4444 states and 8052 transitions. [2020-10-27 02:19:50,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-10-27 02:19:50,587 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 147 [2020-10-27 02:19:50,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:19:50,621 INFO L225 Difference]: With dead ends: 4444 [2020-10-27 02:19:50,621 INFO L226 Difference]: Without dead ends: 3345 [2020-10-27 02:19:50,631 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 653 ImplicationChecksByTransitivity, 11.0s TimeCoverageRelationStatistics Valid=527, Invalid=1825, Unknown=0, NotChecked=0, Total=2352 [2020-10-27 02:19:50,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3345 states. [2020-10-27 02:19:51,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3345 to 2150. [2020-10-27 02:19:51,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2150 states. [2020-10-27 02:19:51,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2150 states to 2150 states and 3497 transitions. [2020-10-27 02:19:51,325 INFO L78 Accepts]: Start accepts. Automaton has 2150 states and 3497 transitions. Word has length 147 [2020-10-27 02:19:51,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:19:51,325 INFO L481 AbstractCegarLoop]: Abstraction has 2150 states and 3497 transitions. [2020-10-27 02:19:51,325 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 02:19:51,325 INFO L276 IsEmpty]: Start isEmpty. Operand 2150 states and 3497 transitions. [2020-10-27 02:19:51,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-27 02:19:51,332 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:19:51,332 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:19:51,333 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 02:19:51,333 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:19:51,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:19:51,333 INFO L82 PathProgramCache]: Analyzing trace with hash -1848736081, now seen corresponding path program 1 times [2020-10-27 02:19:51,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:19:51,334 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [761016995] [2020-10-27 02:19:51,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:19:51,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:19:51,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:51,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:51,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:52,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:52,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:56,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:19:56,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 213 [2020-10-27 02:19:56,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:19:56,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-27 02:19:56,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:19:56,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:19:56,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:19:56,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 140 [2020-10-27 02:19:56,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:19:57,666 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:19:57,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:19:57,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:19:57,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:57,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:19:57,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:19:57,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:19:57,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-27 02:19:57,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:19:57,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:19:57,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:19:57,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:19:57,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:19:57,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:19:57,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:19:57,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:57,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:19:57,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:19:57,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:19:57,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:19:57,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:19:57,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:19:57,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:19:57,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:19:57,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:19:57,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:19:57,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:19:57,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:57,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:19:57,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:19:57,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:19:57,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:19:57,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:19:57,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:19:57,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:19:57,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:19:57,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:19:57,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:19:57,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:19:57,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:57,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:19:57,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:19:57,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:19:57,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:19:57,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:19:57,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:19:57,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:19:57,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:19:57,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:19:57,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:19:57,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:19:57,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:57,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:19:57,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:19:57,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:19:57,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:19:57,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:19:57,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:19:57,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:19:57,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:19:57,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:19:57,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 02:19:57,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:19:57,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:57,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:19:57,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:19:57,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:19:57,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:19:57,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:19:57,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:19:57,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:19:57,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:19:57,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:19:58,108 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 02:19:58,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:19:58,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:19:58,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:58,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:58,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:58,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:59,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:59,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:03,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:03,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-27 02:20:03,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:20:03,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 02:20:03,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:03,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:20:03,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:20:03,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:20:03,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:03,277 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 02:20:03,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:20:03,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:03,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:03,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:03,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:03,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:03,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:03,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 02:20:03,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:20:03,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 308 [2020-10-27 02:20:03,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:03,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:20:03,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:20:03,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:20:03,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:03,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:20:03,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:03,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:03,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:03,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:20:03,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:03,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:20:03,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:03,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:20:03,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:20:03,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:20:03,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:03,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:20:03,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:03,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:03,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:03,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:03,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 02:20:03,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:20:03,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 02:20:03,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:03,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:20:03,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:20:03,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 02:20:03,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:03,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 02:20:03,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:03,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:03,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:03,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:20:03,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:03,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:20:03,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:03,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:20:03,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:03,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:20:03,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:03,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 02:20:03,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:03,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:03,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:03,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-27 02:20:03,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:03,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-27 02:20:03,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:03,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:20:03,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-27 02:20:03,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:20:03,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:03,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:20:03,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:03,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:03,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:03,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-27 02:20:03,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:03,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 02:20:03,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:03,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:20:03,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:03,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:20:03,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:03,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:20:03,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:03,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:03,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:03,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:20:03,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:03,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:20:03,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:03,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:20:03,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:03,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:20:03,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:04,163 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-27 02:20:04,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:20:04,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:04,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:04,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:04,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 02:20:04,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:04,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 02:20:04,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:04,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:20:04,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:04,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:20:04,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:04,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:20:04,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:04,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:04,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:04,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 02:20:04,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:04,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:20:04,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:04,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:20:04,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:04,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:20:04,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:04,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:20:04,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:04,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:04,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:04,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:20:04,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:04,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:20:04,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:04,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:20:04,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:04,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:20:04,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:04,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:20:04,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:04,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:04,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:04,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:20:04,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:04,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:20:04,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:04,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:20:04,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:04,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:20:04,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:04,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 02:20:04,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:04,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:04,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:04,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:20:04,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:04,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:20:04,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:04,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:20:04,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:04,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:20:04,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:04,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:20:04,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:04,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:04,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:04,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:20:04,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:04,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:20:04,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:04,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:20:04,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:04,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:20:04,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:04,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:20:04,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:04,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:04,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:04,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:20:04,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:04,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:20:04,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:04,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:20:04,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:04,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:20:04,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:04,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:20:04,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:04,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:04,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:04,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:20:04,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:04,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:20:04,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:04,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:20:04,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:04,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:20:04,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:04,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 02:20:04,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:04,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:04,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:04,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:20:04,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:04,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:20:04,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:04,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:20:04,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:04,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:20:04,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:04,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 02:20:04,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:04,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:04,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:04,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:20:04,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:04,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:20:04,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:04,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:20:04,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:04,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:20:04,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:04,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-27 02:20:04,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:04,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:04,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:04,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 02:20:04,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:04,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:20:04,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:04,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:20:04,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:04,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:20:04,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:04,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:20:04,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:04,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:04,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:04,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:20:04,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:04,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:20:04,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:04,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:20:04,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:04,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:20:04,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:04,468 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-27 02:20:04,468 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [761016995] [2020-10-27 02:20:04,468 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:20:04,468 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-27 02:20:04,469 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734556999] [2020-10-27 02:20:04,469 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 02:20:04,470 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:20:04,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 02:20:04,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2020-10-27 02:20:04,470 INFO L87 Difference]: Start difference. First operand 2150 states and 3497 transitions. Second operand 14 states. [2020-10-27 02:20:06,620 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 420 [2020-10-27 02:20:07,140 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 02:20:08,469 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 02:20:09,751 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 425 [2020-10-27 02:20:11,081 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 02:20:12,723 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 02:20:13,407 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 02:20:19,252 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 02:20:20,737 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:20:41,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:20:41,094 INFO L93 Difference]: Finished difference Result 5405 states and 9552 transitions. [2020-10-27 02:20:41,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-27 02:20:41,095 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 149 [2020-10-27 02:20:41,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:20:41,122 INFO L225 Difference]: With dead ends: 5405 [2020-10-27 02:20:41,122 INFO L226 Difference]: Without dead ends: 3287 [2020-10-27 02:20:41,136 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 267 ImplicationChecksByTransitivity, 8.4s TimeCoverageRelationStatistics Valid=299, Invalid=823, Unknown=0, NotChecked=0, Total=1122 [2020-10-27 02:20:41,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3287 states. [2020-10-27 02:20:41,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3287 to 2150. [2020-10-27 02:20:41,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2150 states. [2020-10-27 02:20:41,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2150 states to 2150 states and 3491 transitions. [2020-10-27 02:20:41,908 INFO L78 Accepts]: Start accepts. Automaton has 2150 states and 3491 transitions. Word has length 149 [2020-10-27 02:20:41,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:20:41,909 INFO L481 AbstractCegarLoop]: Abstraction has 2150 states and 3491 transitions. [2020-10-27 02:20:41,909 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 02:20:41,909 INFO L276 IsEmpty]: Start isEmpty. Operand 2150 states and 3491 transitions. [2020-10-27 02:20:41,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-27 02:20:41,915 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:20:41,915 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:20:41,916 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 02:20:41,916 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:20:41,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:20:41,916 INFO L82 PathProgramCache]: Analyzing trace with hash -1716162014, now seen corresponding path program 1 times [2020-10-27 02:20:41,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:20:41,917 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [524043765] [2020-10-27 02:20:41,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:20:41,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:42,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:42,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:42,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:42,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:42,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:43,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:46,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:46,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 214 [2020-10-27 02:20:46,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:20:46,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-27 02:20:46,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:46,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 02:20:46,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:20:46,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-27 02:20:46,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:48,243 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:20:48,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:20:48,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:48,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking...