/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_spec14_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 02:09:24,373 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 02:09:24,376 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 02:09:24,422 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 02:09:24,423 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 02:09:24,425 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 02:09:24,426 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 02:09:24,429 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 02:09:24,431 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 02:09:24,432 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 02:09:24,434 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 02:09:24,435 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 02:09:24,436 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 02:09:24,437 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 02:09:24,438 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 02:09:24,440 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 02:09:24,441 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 02:09:24,442 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 02:09:24,472 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 02:09:24,482 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 02:09:24,485 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 02:09:24,491 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 02:09:24,493 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 02:09:24,496 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 02:09:24,508 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 02:09:24,509 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 02:09:24,509 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 02:09:24,512 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 02:09:24,512 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 02:09:24,514 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 02:09:24,514 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 02:09:24,515 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 02:09:24,517 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 02:09:24,518 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 02:09:24,519 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 02:09:24,520 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 02:09:24,520 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 02:09:24,521 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 02:09:24,521 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 02:09:24,522 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 02:09:24,523 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 02:09:24,524 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 02:09:24,588 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 02:09:24,589 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 02:09:24,593 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 02:09:24,593 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 02:09:24,593 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 02:09:24,594 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 02:09:24,594 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 02:09:24,594 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 02:09:24,594 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 02:09:24,595 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 02:09:24,596 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 02:09:24,596 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 02:09:24,596 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 02:09:24,596 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 02:09:24,597 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 02:09:24,597 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 02:09:24,597 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 02:09:24,597 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 02:09:24,598 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 02:09:24,598 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 02:09:24,598 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 02:09:24,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:09:24,599 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 02:09:24,599 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 02:09:24,599 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 02:09:24,599 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 02:09:24,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 02:09:24,600 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 02:09:24,600 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 02:09:24,600 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 02:09:25,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 02:09:25,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 02:09:25,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 02:09:25,103 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 02:09:25,103 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 02:09:25,104 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec14_product32.cil.c [2020-10-27 02:09:25,186 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/de57fc68e/75df830660c5458db1b34d9ba9161c5c/FLAG1720b9e26 [2020-10-27 02:09:25,931 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 02:09:25,933 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec14_product32.cil.c [2020-10-27 02:09:25,972 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/de57fc68e/75df830660c5458db1b34d9ba9161c5c/FLAG1720b9e26 [2020-10-27 02:09:26,104 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/de57fc68e/75df830660c5458db1b34d9ba9161c5c [2020-10-27 02:09:26,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 02:09:26,117 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 02:09:26,121 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 02:09:26,121 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 02:09:26,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 02:09:26,127 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:09:26" (1/1) ... [2020-10-27 02:09:26,136 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@414f7d56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:09:26, skipping insertion in model container [2020-10-27 02:09:26,136 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:09:26" (1/1) ... [2020-10-27 02:09:26,146 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 02:09:26,249 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 02:09:27,020 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:09:27,032 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 02:09:27,207 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:09:27,285 INFO L208 MainTranslator]: Completed translation [2020-10-27 02:09:27,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:09:27 WrapperNode [2020-10-27 02:09:27,286 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 02:09:27,287 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 02:09:27,287 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 02:09:27,288 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 02:09:27,302 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:09:27" (1/1) ... [2020-10-27 02:09:27,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:09:27" (1/1) ... [2020-10-27 02:09:27,335 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:09:27" (1/1) ... [2020-10-27 02:09:27,335 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:09:27" (1/1) ... [2020-10-27 02:09:27,403 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:09:27" (1/1) ... [2020-10-27 02:09:27,425 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:09:27" (1/1) ... [2020-10-27 02:09:27,435 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:09:27" (1/1) ... [2020-10-27 02:09:27,453 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 02:09:27,455 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 02:09:27,455 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 02:09:27,455 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 02:09:27,456 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:09:27" (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 02:09:27,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 02:09:27,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 02:09:27,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 02:09:27,550 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 02:09:27,550 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-27 02:09:27,550 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-27 02:09:27,550 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-27 02:09:27,550 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 02:09:27,551 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-27 02:09:27,551 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-27 02:09:27,551 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-27 02:09:27,551 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-27 02:09:27,551 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-27 02:09:27,552 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-27 02:09:27,552 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-27 02:09:27,552 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-27 02:09:27,552 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 02:09:27,552 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-27 02:09:27,552 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-27 02:09:27,553 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-27 02:09:27,553 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 02:09:27,553 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-27 02:09:27,553 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 02:09:27,553 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 02:09:27,553 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 02:09:27,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 02:09:27,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 02:09:27,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 02:09:27,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 02:09:27,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 02:09:27,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 02:09:27,555 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 02:09:27,555 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 02:09:27,555 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 02:09:27,555 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 02:09:27,555 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-27 02:09:27,556 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-27 02:09:27,556 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-27 02:09:27,556 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-27 02:09:27,556 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-27 02:09:27,556 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-27 02:09:27,557 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-27 02:09:27,557 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-27 02:09:27,557 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-27 02:09:27,557 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-27 02:09:27,557 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-27 02:09:27,557 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-27 02:09:27,558 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-27 02:09:27,558 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-27 02:09:27,558 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-27 02:09:27,558 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-27 02:09:27,558 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2020-10-27 02:09:27,559 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-27 02:09:27,559 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-27 02:09:27,559 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-27 02:09:27,559 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-27 02:09:27,559 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-27 02:09:27,560 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-27 02:09:27,560 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-27 02:09:27,560 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-27 02:09:27,560 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-27 02:09:27,560 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-27 02:09:27,561 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2020-10-27 02:09:27,561 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-27 02:09:27,561 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-27 02:09:27,561 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-27 02:09:27,562 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-27 02:09:27,562 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-27 02:09:27,562 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-27 02:09:27,562 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-27 02:09:27,562 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-27 02:09:27,563 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-27 02:09:27,563 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2020-10-27 02:09:27,563 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 02:09:27,563 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2020-10-27 02:09:27,563 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-27 02:09:27,563 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-27 02:09:27,564 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-27 02:09:27,564 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-27 02:09:27,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 02:09:27,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification14_spec__1 [2020-10-27 02:09:27,564 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 02:09:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 02:09:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 02:09:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 02:09:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 02:09:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-27 02:09:27,566 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-27 02:09:27,566 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-27 02:09:27,566 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-27 02:09:27,566 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-27 02:09:27,566 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-27 02:09:27,567 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 02:09:27,567 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 02:09:27,567 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 02:09:27,567 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-27 02:09:27,567 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-27 02:09:27,567 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-27 02:09:27,568 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-27 02:09:27,568 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-27 02:09:27,568 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-27 02:09:27,568 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 02:09:27,568 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-27 02:09:27,569 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-27 02:09:27,569 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-27 02:09:27,569 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-27 02:09:27,569 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-27 02:09:27,569 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-27 02:09:27,570 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-27 02:09:27,570 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 02:09:27,570 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-27 02:09:27,570 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 02:09:27,570 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 02:09:27,571 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 02:09:27,571 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 02:09:27,571 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 02:09:27,571 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 02:09:27,571 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 02:09:27,571 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 02:09:27,572 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 02:09:27,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 02:09:27,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 02:09:27,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 02:09:27,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 02:09:27,572 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 02:09:27,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 02:09:27,573 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 02:09:27,573 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 02:09:27,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 02:09:27,573 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 02:09:27,573 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 02:09:27,574 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 02:09:27,574 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 02:09:27,574 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-27 02:09:27,574 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-27 02:09:27,574 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-27 02:09:27,575 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-27 02:09:27,575 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-27 02:09:27,575 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-27 02:09:27,575 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-27 02:09:27,575 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-27 02:09:27,575 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-27 02:09:27,576 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-27 02:09:27,576 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 02:09:27,576 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-27 02:09:27,576 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-27 02:09:27,576 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-27 02:09:27,576 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-27 02:09:27,577 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-27 02:09:27,577 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-27 02:09:27,577 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-27 02:09:27,577 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-27 02:09:27,577 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-27 02:09:27,577 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-27 02:09:27,578 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2020-10-27 02:09:27,578 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-27 02:09:27,578 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-27 02:09:27,578 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-27 02:09:27,578 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-27 02:09:27,578 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-27 02:09:27,579 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2020-10-27 02:09:27,579 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-27 02:09:27,579 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-27 02:09:27,579 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-27 02:09:27,579 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-27 02:09:27,579 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-27 02:09:27,580 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-27 02:09:27,580 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-27 02:09:27,580 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-27 02:09:27,580 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2020-10-27 02:09:27,580 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification14_spec__1 [2020-10-27 02:09:27,581 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2020-10-27 02:09:27,581 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-27 02:09:27,581 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 02:09:27,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 02:09:27,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 02:09:27,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 02:09:30,216 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 02:09:30,216 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-27 02:09:30,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:09:30 BoogieIcfgContainer [2020-10-27 02:09:30,221 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 02:09:30,225 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 02:09:30,225 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 02:09:30,228 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 02:09:30,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 02:09:26" (1/3) ... [2020-10-27 02:09:30,230 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a8bf417 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:09:30, skipping insertion in model container [2020-10-27 02:09:30,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:09:27" (2/3) ... [2020-10-27 02:09:30,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a8bf417 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:09:30, skipping insertion in model container [2020-10-27 02:09:30,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:09:30" (3/3) ... [2020-10-27 02:09:30,232 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec14_product32.cil.c [2020-10-27 02:09:30,246 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 02:09:30,253 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 02:09:30,267 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 02:09:30,313 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 02:09:30,313 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 02:09:30,313 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 02:09:30,314 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 02:09:30,314 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 02:09:30,314 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 02:09:30,314 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 02:09:30,314 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 02:09:30,363 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states. [2020-10-27 02:09:30,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-27 02:09:30,390 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:09:30,391 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 02:09:30,392 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 02:09:30,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:09:30,401 INFO L82 PathProgramCache]: Analyzing trace with hash 1407061077, now seen corresponding path program 1 times [2020-10-27 02:09:30,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:09:30,414 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1554242565] [2020-10-27 02:09:30,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:09:30,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:30,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:31,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:31,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:32,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:35,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:35,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-27 02:09:35,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:09:35,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5046 [2020-10-27 02:09:35,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:35,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:09:35,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:09:35,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-10-27 02:09:35,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 02:09:37,085 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-27 02:09:37,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:09:37,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:37,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:37,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:37,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:09:37,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:37,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 180 [2020-10-27 02:09:37,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:37,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:09:37,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:09:37,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:09:37,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:37,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:09:37,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:37,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:37,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:37,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:09:37,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:37,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:09:37,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:37,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:09:37,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:09:37,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:09:37,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:37,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:09:37,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:37,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:37,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:37,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:09:37,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:37,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:09:37,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:37,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:09:37,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:09:37,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:09:37,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:37,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:09:37,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:37,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:37,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:37,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:09:37,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:37,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:09:37,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:37,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:09:37,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:09:37,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:09:37,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:37,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:09:37,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:37,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:37,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:37,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:09:37,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:37,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:09:37,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:37,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:09:37,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:09:37,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:09:37,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:37,514 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 02:09:37,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 02:09:37,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:37,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:37,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:37,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:37,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:38,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:38,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:38,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:09:38,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:09:38,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1173 [2020-10-27 02:09:38,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:38,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:09:38,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:09:38,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 02:09:38,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:09:38,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:09:38,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:38,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:38,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:38,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:38,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:09:38,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:09:38,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:09:38,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:38,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:09:38,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:09:38,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:09:38,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:38,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:09:38,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:38,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:38,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:38,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:38,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:09:38,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:09:38,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-27 02:09:38,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:38,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:09:38,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:09:38,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:09:38,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:09:38,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:09:38,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:38,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:38,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:38,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:09:38,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:38,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:09:38,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:38,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:09:38,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:09:38,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:09:38,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:38,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 02:09:38,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:38,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:38,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:38,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:09:38,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:38,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:09:38,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:38,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:09:38,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:09:38,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:09:38,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:38,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 02:09:38,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:38,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:38,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:38,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:09:38,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:38,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 02:09:38,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:38,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:09:38,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:09:38,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 02:09:38,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:09:38,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:09:38,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:38,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:38,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:38,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:09:38,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:38,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:09:38,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:38,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:09:38,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:09:38,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:09:38,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:38,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-27 02:09:38,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:38,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:38,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:38,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:09:38,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:38,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:09:38,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:38,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:09:38,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:09:38,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:09:38,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:09:38,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 02:09:38,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:38,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:38,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:38,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:09:38,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:38,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:09:38,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:38,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:09:38,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:09:38,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:09:38,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:09:38,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 02:09:38,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:38,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:38,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:38,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:09:38,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:38,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:09:38,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:38,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:09:38,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:09:38,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:09:38,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:38,977 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 02:09:38,978 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1554242565] [2020-10-27 02:09:38,981 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:09:38,981 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 02:09:38,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971034108] [2020-10-27 02:09:38,987 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 02:09:38,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:09:39,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 02:09:39,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-27 02:09:39,006 INFO L87 Difference]: Start difference. First operand 802 states. Second operand 9 states. [2020-10-27 02:09:41,096 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-27 02:09:43,168 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:09:44,596 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 02:09:45,874 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-27 02:09:53,069 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 02:10:05,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:10:05,340 INFO L93 Difference]: Finished difference Result 1539 states and 2583 transitions. [2020-10-27 02:10:05,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 02:10:05,342 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2020-10-27 02:10:05,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:10:05,384 INFO L225 Difference]: With dead ends: 1539 [2020-10-27 02:10:05,384 INFO L226 Difference]: Without dead ends: 883 [2020-10-27 02:10:05,394 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2020-10-27 02:10:05,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2020-10-27 02:10:05,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 648. [2020-10-27 02:10:05,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 648 states. [2020-10-27 02:10:05,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 648 states and 1018 transitions. [2020-10-27 02:10:05,742 INFO L78 Accepts]: Start accepts. Automaton has 648 states and 1018 transitions. Word has length 88 [2020-10-27 02:10:05,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:10:05,742 INFO L481 AbstractCegarLoop]: Abstraction has 648 states and 1018 transitions. [2020-10-27 02:10:05,743 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 02:10:05,743 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 1018 transitions. [2020-10-27 02:10:05,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-27 02:10:05,750 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:10:05,750 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:10:05,751 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 02:10:05,751 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 02:10:05,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:10:05,752 INFO L82 PathProgramCache]: Analyzing trace with hash -913662014, now seen corresponding path program 1 times [2020-10-27 02:10:05,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:10:05,753 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1504725200] [2020-10-27 02:10:05,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:10:05,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:05,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:06,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:06,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:06,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:07,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:10,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:10,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-27 02:10:10,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:10:10,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 02:10:10,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:10,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 02:10:10,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:10:10,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-27 02:10:10,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:12,129 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-27 02:10:12,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:10:12,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:12,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:12,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:12,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:10:12,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:12,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-10-27 02:10:12,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:12,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:10:12,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:12,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:10:12,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:12,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:10:12,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:12,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:12,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:12,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:10:12,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:12,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:10:12,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:12,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:10:12,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:12,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:10:12,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:12,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:10:12,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:12,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:12,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:12,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:10:12,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:12,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:10:12,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:12,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:10:12,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:12,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:10:12,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:12,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:10:12,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:12,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:12,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:12,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:10:12,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:12,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:10:12,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:12,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:10:12,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:12,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:10:12,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:12,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:10:12,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:12,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:12,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:12,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:10:12,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:12,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:10:12,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:12,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:10:12,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:12,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:10:12,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:12,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 02:10:12,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:12,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:12,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:12,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:12,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:12,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:13,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:13,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:10:13,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:10:13,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 708 [2020-10-27 02:10:13,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:13,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:10:13,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:13,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 02:10:13,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:13,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:10:13,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:13,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:13,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:13,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:13,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:10:13,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:10:13,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:10:13,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:13,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:13,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:13,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:13,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:13,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:10:13,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:13,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:13,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:13,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:13,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:10:13,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:10:13,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 02:10:13,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:13,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:13,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:13,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:13,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:13,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:10:13,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:13,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:13,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:13,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:10:13,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:13,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:10:13,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:13,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:13,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:13,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:13,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:13,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 02:10:13,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:13,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:13,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:13,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:10:13,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:13,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:10:13,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:13,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:10:13,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:13,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:10:13,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:13,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 02:10:13,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:13,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:13,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:13,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:10:13,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:13,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:10:13,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:13,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:13,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 02:10:13,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:13,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:13,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:10:13,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:13,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:13,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:13,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:10:13,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:13,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:10:13,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:13,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:13,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:13,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:13,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:13,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-27 02:10:13,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:13,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:13,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:13,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:10:13,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:13,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:10:13,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:13,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:13,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:10:13,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:13,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:13,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-27 02:10:13,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:13,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:13,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:13,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:10:13,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:13,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:10:13,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:13,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:13,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:10:13,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:13,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:13,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 02:10:13,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:13,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:13,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:13,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:10:13,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:13,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:10:13,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:13,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:13,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:10:13,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:13,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:13,353 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 02:10:13,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1504725200] [2020-10-27 02:10:13,354 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:10:13,354 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 02:10:13,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140561474] [2020-10-27 02:10:13,356 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 02:10:13,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:10:13,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 02:10:13,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-27 02:10:13,357 INFO L87 Difference]: Start difference. First operand 648 states and 1018 transitions. Second operand 7 states. [2020-10-27 02:10:15,066 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 407 [2020-10-27 02:10:16,187 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 02:10:43,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:10:43,999 INFO L93 Difference]: Finished difference Result 2222 states and 3707 transitions. [2020-10-27 02:10:44,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 02:10:44,001 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 89 [2020-10-27 02:10:44,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:10:44,020 INFO L225 Difference]: With dead ends: 2222 [2020-10-27 02:10:44,020 INFO L226 Difference]: Without dead ends: 1606 [2020-10-27 02:10:44,026 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-10-27 02:10:44,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1606 states. [2020-10-27 02:10:44,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 1193. [2020-10-27 02:10:44,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1193 states. [2020-10-27 02:10:44,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 1193 states and 1905 transitions. [2020-10-27 02:10:44,520 INFO L78 Accepts]: Start accepts. Automaton has 1193 states and 1905 transitions. Word has length 89 [2020-10-27 02:10:44,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:10:44,523 INFO L481 AbstractCegarLoop]: Abstraction has 1193 states and 1905 transitions. [2020-10-27 02:10:44,523 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 02:10:44,523 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1905 transitions. [2020-10-27 02:10:44,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-27 02:10:44,536 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:10:44,536 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-27 02:10:44,537 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 02:10:44,537 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 02:10:44,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:10:44,538 INFO L82 PathProgramCache]: Analyzing trace with hash -1438503851, now seen corresponding path program 1 times [2020-10-27 02:10:44,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:10:44,538 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [655899160] [2020-10-27 02:10:44,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:10:44,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:44,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:44,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:44,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:44,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:45,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:45,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:46,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:48,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:49,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:49,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-10-27 02:10:49,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 02:10:49,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5077 [2020-10-27 02:10:49,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:49,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 02:10:49,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:10:49,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-27 02:10:49,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:50,935 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-27 02:10:50,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:10:50,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:50,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:51,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:51,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:10:51,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:51,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 143 [2020-10-27 02:10:51,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:51,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:10:51,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:51,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:10:51,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:51,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:10:51,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:51,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:51,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:51,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:10:51,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:51,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:10:51,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:51,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:10:51,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:51,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:10:51,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:51,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:10:51,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:51,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:51,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:51,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:10:51,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:51,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:10:51,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:51,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:10:51,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:51,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:10:51,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:51,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:10:51,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:51,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:51,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:51,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:10:51,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:51,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:10:51,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:51,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:10:51,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:51,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:10:51,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:51,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:10:51,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:51,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:51,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:51,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:10:51,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:51,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:10:51,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:51,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:10:51,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:51,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:10:51,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:51,306 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 02:10:51,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 02:10:51,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:51,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:51,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:51,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:51,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:51,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:52,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:52,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:10:52,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:10:52,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1218 [2020-10-27 02:10:52,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:52,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 02:10:52,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 02:10:52,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 02:10:52,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:52,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:10:52,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:52,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:52,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:52,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:52,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:10:52,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:10:52,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:10:52,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:52,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:10:52,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:52,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:10:52,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:52,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:10:52,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:52,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:52,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:52,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:52,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:10:52,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:10:52,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-27 02:10:52,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:52,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 02:10:52,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 02:10:52,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 02:10:52,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:52,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:10:52,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:52,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:52,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:52,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:10:52,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:52,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:10:52,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:52,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:10:52,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 02:10:52,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 02:10:52,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:52,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 02:10:52,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:52,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:52,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:52,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:10:52,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:52,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:10:52,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:52,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:10:52,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:52,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:10:52,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:52,903 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-27 02:10:52,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 02:10:52,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:52,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:52,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:52,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:53,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:53,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:57,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:57,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-27 02:10:57,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:10:57,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 02:10:57,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:57,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 02:10:57,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 02:10:57,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-27 02:10:57,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:57,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:10:57,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:57,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:58,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:58,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 02:10:58,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:58,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 02:10:58,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:58,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 02:10:58,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:58,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 02:10:58,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:58,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:10:58,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:58,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:58,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:58,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:10:58,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:58,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 02:10:58,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:58,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:10:58,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:58,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:10:58,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:58,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:10:58,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:58,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:58,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:58,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:10:58,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:58,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:10:58,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:58,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:10:58,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:58,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:10:58,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:58,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 02:10:58,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:58,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:58,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:58,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:10:58,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:58,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:10:58,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:58,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:10:58,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:58,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:10:58,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:58,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 02:10:58,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:58,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:58,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:58,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 02:10:58,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:58,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 02:10:58,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:58,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:10:58,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:58,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 02:10:58,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:58,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:10:58,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:58,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:58,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:58,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:10:58,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:58,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:10:58,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:58,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:58,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:58,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:58,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:58,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:10:58,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:58,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:58,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:58,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:10:58,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:58,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:10:58,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:58,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:58,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:58,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:58,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:58,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 02:10:58,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:58,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:58,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:58,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:10:58,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:58,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:10:58,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:58,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:58,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:58,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:58,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:58,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 02:10:58,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:58,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:58,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:58,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:58,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:10:58,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:10:58,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 02:10:58,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:58,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:10:58,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:58,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 02:10:58,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:58,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-27 02:10:58,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:58,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:58,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:58,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:10:58,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:58,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:10:58,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:58,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:58,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 02:10:58,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:58,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:58,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:10:58,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:58,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:58,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:58,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:10:58,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:58,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:10:58,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:58,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:58,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:58,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:58,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:58,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 02:10:58,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:58,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:58,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:58,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:10:58,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:58,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:10:58,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:58,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:58,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:10:58,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:58,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:58,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-27 02:10:58,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:58,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:58,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:58,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:10:58,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:58,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:10:58,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:58,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:58,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:10:58,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:58,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:58,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-27 02:10:58,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:58,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:58,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:58,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:10:58,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:58,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:10:58,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:58,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:58,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:10:58,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:58,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:58,397 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-10-27 02:10:58,398 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [655899160] [2020-10-27 02:10:58,398 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:10:58,398 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-27 02:10:58,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318040552] [2020-10-27 02:10:58,399 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 02:10:58,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:10:58,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 02:10:58,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2020-10-27 02:10:58,400 INFO L87 Difference]: Start difference. First operand 1193 states and 1905 transitions. Second operand 16 states. [2020-10-27 02:11:00,544 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-27 02:11:04,729 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 413 DAG size of output: 409 [2020-10-27 02:11:05,257 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-27 02:11:05,785 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 157 [2020-10-27 02:11:07,213 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 407 [2020-10-27 02:11:09,561 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 415 DAG size of output: 411 [2020-10-27 02:11:10,775 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 407 [2020-10-27 02:11:11,986 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 407 [2020-10-27 02:11:14,373 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 415 DAG size of output: 411 [2020-10-27 02:11:16,739 WARN L193 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 415 DAG size of output: 411 [2020-10-27 02:11:18,015 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 02:11:20,329 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 414 DAG size of output: 408 [2020-10-27 02:11:22,743 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 416 DAG size of output: 412 [2020-10-27 02:11:25,154 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 421 DAG size of output: 417 [2020-10-27 02:11:26,026 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 02:11:26,361 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 118 [2020-10-27 02:11:38,268 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-27 02:11:41,052 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 112 [2020-10-27 02:12:11,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:12:11,794 INFO L93 Difference]: Finished difference Result 4518 states and 7875 transitions. [2020-10-27 02:12:11,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-27 02:12:11,795 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 149 [2020-10-27 02:12:11,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:12:11,830 INFO L225 Difference]: With dead ends: 4518 [2020-10-27 02:12:11,830 INFO L226 Difference]: Without dead ends: 3357 [2020-10-27 02:12:11,840 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 578 ImplicationChecksByTransitivity, 25.7s TimeCoverageRelationStatistics Valid=439, Invalid=1723, Unknown=0, NotChecked=0, Total=2162 [2020-10-27 02:12:11,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3357 states. [2020-10-27 02:12:12,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3357 to 2481. [2020-10-27 02:12:12,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2481 states. [2020-10-27 02:12:12,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2481 states to 2481 states and 4036 transitions. [2020-10-27 02:12:12,779 INFO L78 Accepts]: Start accepts. Automaton has 2481 states and 4036 transitions. Word has length 149 [2020-10-27 02:12:12,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:12:12,780 INFO L481 AbstractCegarLoop]: Abstraction has 2481 states and 4036 transitions. [2020-10-27 02:12:12,780 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-27 02:12:12,780 INFO L276 IsEmpty]: Start isEmpty. Operand 2481 states and 4036 transitions. [2020-10-27 02:12:12,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-10-27 02:12:12,796 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:12:12,797 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-27 02:12:12,797 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 02:12:12,797 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 02:12:12,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:12:12,798 INFO L82 PathProgramCache]: Analyzing trace with hash 456722756, now seen corresponding path program 1 times [2020-10-27 02:12:12,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:12:12,799 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [116589001] [2020-10-27 02:12:12,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:12:12,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:12,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:13,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:13,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:13,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:13,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:13,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:14,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:15,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:17,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:17,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 219 [2020-10-27 02:12:17,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 02:12:17,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 02:12:17,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:17,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 02:12:17,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:12:17,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-27 02:12:17,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:19,166 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-27 02:12:19,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:12:19,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:19,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:19,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:19,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:12:19,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:12:19,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-27 02:12:19,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:19,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:12:19,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:12:19,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:12:19,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:19,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:12:19,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:19,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:19,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:19,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:12:19,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:12:19,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:12:19,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:19,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:12:19,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:12:19,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:12:19,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:19,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:12:19,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:19,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:19,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:19,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:12:19,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:12:19,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:12:19,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:19,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:12:19,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:12:19,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:12:19,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:19,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:12:19,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:19,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:19,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:19,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:12:19,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:12:19,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:12:19,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:19,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:12:19,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:12:19,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:12:19,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:19,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:12:19,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:19,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:19,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:19,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:12:19,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:12:19,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:12:19,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:19,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:12:19,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:12:19,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:12:19,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:19,548 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 02:12:19,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 02:12:19,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:19,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:19,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:19,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:19,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:19,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:20,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:20,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:12:20,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:12:20,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1080 [2020-10-27 02:12:20,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:20,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 02:12:20,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 02:12:20,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 02:12:20,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:20,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:12:20,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:20,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:20,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:20,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:20,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:12:20,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:12:20,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:12:20,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:20,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:12:20,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:12:20,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:12:20,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:20,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:12:20,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:20,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:20,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:20,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:20,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:12:20,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:12:20,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-27 02:12:20,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:20,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 02:12:20,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 02:12:20,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 02:12:20,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:20,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:12:20,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:20,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:20,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:20,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:12:20,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:12:20,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:12:20,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:20,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:12:20,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 02:12:20,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 02:12:20,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:20,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 02:12:20,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:20,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:20,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:20,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:12:20,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:12:20,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:12:20,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:20,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:12:20,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:12:20,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:12:20,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:21,003 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-27 02:12:21,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 02:12:21,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:21,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:21,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:21,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:21,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:21,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:23,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:26,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:26,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-27 02:12:26,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:12:26,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 02:12:26,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:26,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 02:12:26,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 02:12:26,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-27 02:12:26,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:26,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:12:26,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:26,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:26,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:26,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-27 02:12:26,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:12:26,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 02:12:26,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:26,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 02:12:26,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:12:26,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 02:12:26,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:26,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:12:26,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:26,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:26,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:26,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 02:12:26,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:12:26,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 02:12:26,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:26,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:12:26,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:12:26,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 02:12:26,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:26,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:12:26,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:26,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:26,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:26,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:12:26,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:12:26,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:12:26,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:26,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:12:26,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:12:26,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:12:26,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:26,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 02:12:26,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:26,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:26,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:26,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:12:26,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:12:26,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:12:26,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:26,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:12:26,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:12:26,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:12:26,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:26,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 02:12:26,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:26,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:26,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:26,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 02:12:26,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:12:26,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 02:12:26,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:26,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:12:26,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:12:26,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 02:12:26,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:26,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:12:26,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:26,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:26,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:26,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:12:26,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:12:26,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:12:26,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:26,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:12:26,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:12:26,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:12:26,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:26,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:12:26,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:26,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:26,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:26,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:12:26,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:12:26,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:12:26,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:26,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:12:26,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:12:26,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:12:26,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:26,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 02:12:26,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:26,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:26,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:26,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:12:26,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:12:26,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:12:26,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:26,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:12:26,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:12:26,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:12:26,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:26,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 02:12:26,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:26,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:26,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:26,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:26,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:12:26,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:12:26,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:12:26,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:26,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:12:26,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:12:26,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 02:12:26,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:26,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-27 02:12:26,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:26,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:26,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:26,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:12:26,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:12:26,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:12:26,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:26,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:12:26,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 02:12:26,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:12:26,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:26,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:12:26,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:26,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:26,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:26,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:12:26,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:12:26,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:12:26,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:26,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:12:26,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:12:26,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:12:26,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 02:12:26,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-27 02:12:26,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:26,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:26,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:26,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:12:26,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:12:26,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:12:26,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:26,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:12:26,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:12:26,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:12:26,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:26,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-27 02:12:26,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:26,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:26,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:26,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:12:26,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:12:26,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:12:26,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:26,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:12:26,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:12:26,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:12:26,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:26,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-27 02:12:26,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:26,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:26,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:26,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:12:26,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:12:26,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:12:26,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:26,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:12:26,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:12:26,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:12:26,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:26,485 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-10-27 02:12:26,485 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [116589001] [2020-10-27 02:12:26,486 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:12:26,486 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-27 02:12:26,486 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379266563] [2020-10-27 02:12:26,487 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 02:12:26,487 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:12:26,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 02:12:26,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2020-10-27 02:12:26,488 INFO L87 Difference]: Start difference. First operand 2481 states and 4036 transitions. Second operand 16 states. [2020-10-27 02:12:29,202 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-27 02:12:33,646 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 411 DAG size of output: 406 [2020-10-27 02:12:34,114 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-27 02:12:34,694 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 154 [2020-10-27 02:12:36,165 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 407 [2020-10-27 02:12:37,524 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 02:12:39,848 WARN L193 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 413 DAG size of output: 408 [2020-10-27 02:12:41,048 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 02:12:43,585 WARN L193 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 414 DAG size of output: 409 [2020-10-27 02:12:44,858 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 02:12:47,226 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 414 DAG size of output: 409 [2020-10-27 02:12:49,578 WARN L193 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 414 DAG size of output: 410 [2020-10-27 02:12:52,196 WARN L193 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 414 DAG size of output: 409 [2020-10-27 02:12:54,847 WARN L193 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 419 DAG size of output: 415 [2020-10-27 02:12:55,831 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 02:12:56,349 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 115