/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_spec3_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 02:22:56,160 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 02:22:56,164 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 02:22:56,223 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 02:22:56,224 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 02:22:56,232 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 02:22:56,234 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 02:22:56,239 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 02:22:56,257 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 02:22:56,263 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 02:22:56,265 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 02:22:56,267 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 02:22:56,267 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 02:22:56,271 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 02:22:56,274 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 02:22:56,276 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 02:22:56,277 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 02:22:56,281 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 02:22:56,288 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 02:22:56,296 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 02:22:56,298 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 02:22:56,300 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 02:22:56,301 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 02:22:56,303 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 02:22:56,312 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 02:22:56,312 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 02:22:56,313 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 02:22:56,315 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 02:22:56,315 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 02:22:56,316 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 02:22:56,316 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 02:22:56,317 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 02:22:56,319 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 02:22:56,320 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 02:22:56,321 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 02:22:56,321 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 02:22:56,322 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 02:22:56,323 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 02:22:56,323 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 02:22:56,324 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 02:22:56,325 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 02:22:56,333 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 02:22:56,380 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 02:22:56,380 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 02:22:56,385 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 02:22:56,386 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 02:22:56,386 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 02:22:56,386 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 02:22:56,387 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 02:22:56,387 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 02:22:56,387 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 02:22:56,387 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 02:22:56,389 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 02:22:56,389 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 02:22:56,389 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 02:22:56,390 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 02:22:56,390 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 02:22:56,390 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 02:22:56,391 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 02:22:56,391 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 02:22:56,391 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 02:22:56,391 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 02:22:56,392 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 02:22:56,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:22:56,392 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 02:22:56,392 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 02:22:56,393 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 02:22:56,393 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 02:22:56,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 02:22:56,393 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 02:22:56,394 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 02:22:56,394 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 02:22:56,862 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 02:22:56,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 02:22:56,898 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 02:22:56,900 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 02:22:56,900 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 02:22:56,901 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product18.cil.c [2020-10-27 02:22:56,976 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c9fca1be6/0dcea9bf52d74f0eb5c079f7b7e0f4f8/FLAG66ce18843 [2020-10-27 02:22:57,724 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 02:22:57,725 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec3_product18.cil.c [2020-10-27 02:22:57,748 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c9fca1be6/0dcea9bf52d74f0eb5c079f7b7e0f4f8/FLAG66ce18843 [2020-10-27 02:22:57,915 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c9fca1be6/0dcea9bf52d74f0eb5c079f7b7e0f4f8 [2020-10-27 02:22:57,918 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 02:22:57,924 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 02:22:57,925 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 02:22:57,925 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 02:22:57,929 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 02:22:57,930 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:22:57" (1/1) ... [2020-10-27 02:22:57,935 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fe2347d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:22:57, skipping insertion in model container [2020-10-27 02:22:57,935 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:22:57" (1/1) ... [2020-10-27 02:22:57,943 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 02:22:58,015 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 02:22:58,607 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:22:58,628 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 02:22:58,758 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:22:58,820 INFO L208 MainTranslator]: Completed translation [2020-10-27 02:22:58,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:22:58 WrapperNode [2020-10-27 02:22:58,821 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 02:22:58,822 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 02:22:58,822 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 02:22:58,823 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 02:22:58,836 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:22:58" (1/1) ... [2020-10-27 02:22:58,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:22:58" (1/1) ... [2020-10-27 02:22:58,867 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:22:58" (1/1) ... [2020-10-27 02:22:58,868 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:22:58" (1/1) ... [2020-10-27 02:22:58,940 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:22:58" (1/1) ... [2020-10-27 02:22:58,985 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:22:58" (1/1) ... [2020-10-27 02:22:59,000 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:22:58" (1/1) ... [2020-10-27 02:22:59,021 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 02:22:59,022 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 02:22:59,022 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 02:22:59,023 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 02:22:59,023 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:22:58" (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 02:22:59,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 02:22:59,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 02:22:59,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 02:22:59,116 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 02:22:59,116 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 02:22:59,117 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 02:22:59,118 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 02:22:59,118 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 02:22:59,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 02:22:59,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 02:22:59,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 02:22:59,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 02:22:59,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 02:22:59,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 02:22:59,119 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-27 02:22:59,120 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-27 02:22:59,121 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-27 02:22:59,121 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-27 02:22:59,121 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-27 02:22:59,121 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-27 02:22:59,121 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-27 02:22:59,121 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-27 02:22:59,121 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-27 02:22:59,122 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-27 02:22:59,122 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-27 02:22:59,122 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-27 02:22:59,122 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-27 02:22:59,122 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-27 02:22:59,122 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-27 02:22:59,122 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-27 02:22:59,122 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 02:22:59,123 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-27 02:22:59,123 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-27 02:22:59,123 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-27 02:22:59,123 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 02:22:59,123 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-27 02:22:59,123 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 02:22:59,123 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 02:22:59,123 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 02:22:59,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 02:22:59,124 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-27 02:22:59,124 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-27 02:22:59,124 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-27 02:22:59,124 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-27 02:22:59,124 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-27 02:22:59,124 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-27 02:22:59,124 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-27 02:22:59,125 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-27 02:22:59,125 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-27 02:22:59,125 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-27 02:22:59,125 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-27 02:22:59,125 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-27 02:22:59,126 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-27 02:22:59,126 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-27 02:22:59,126 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-27 02:22:59,126 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-27 02:22:59,127 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-27 02:22:59,127 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-27 02:22:59,127 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-27 02:22:59,127 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-27 02:22:59,127 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-27 02:22:59,128 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-27 02:22:59,128 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__weight [2020-10-27 02:22:59,128 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 02:22:59,128 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__weight [2020-10-27 02:22:59,128 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-27 02:22:59,128 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-27 02:22:59,128 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-27 02:22:59,128 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-27 02:22:59,129 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-27 02:22:59,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-27 02:22:59,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2020-10-27 02:22:59,131 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 02:22:59,131 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-27 02:22:59,131 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-27 02:22:59,132 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 02:22:59,132 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 02:22:59,132 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 02:22:59,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 02:22:59,132 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 02:22:59,132 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 02:22:59,132 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 02:22:59,133 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 02:22:59,134 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 02:22:59,134 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 02:22:59,134 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 02:22:59,134 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 02:22:59,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 02:22:59,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 02:22:59,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 02:22:59,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 02:22:59,135 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 02:22:59,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 02:22:59,135 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 02:22:59,135 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 02:22:59,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 02:22:59,135 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 02:22:59,136 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 02:22:59,136 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 02:22:59,136 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-27 02:22:59,136 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-27 02:22:59,136 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-27 02:22:59,136 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-27 02:22:59,136 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-27 02:22:59,136 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-27 02:22:59,137 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-27 02:22:59,137 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-27 02:22:59,137 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 02:22:59,137 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-27 02:22:59,138 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-27 02:22:59,138 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-27 02:22:59,138 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-27 02:22:59,139 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-27 02:22:59,139 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-27 02:22:59,139 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-27 02:22:59,139 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-27 02:22:59,140 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 02:22:59,140 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-27 02:22:59,141 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-27 02:22:59,141 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-27 02:22:59,141 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 02:22:59,141 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-27 02:22:59,141 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-27 02:22:59,142 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-27 02:22:59,142 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-27 02:22:59,142 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-27 02:22:59,143 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 02:22:59,143 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-27 02:22:59,143 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 02:22:59,143 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 02:22:59,144 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 02:22:59,145 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 02:22:59,148 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 02:22:59,148 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 02:22:59,148 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-27 02:22:59,148 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-27 02:22:59,148 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-27 02:22:59,149 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-27 02:22:59,150 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-27 02:22:59,151 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-27 02:22:59,151 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-27 02:22:59,151 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-27 02:22:59,151 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-27 02:22:59,157 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-27 02:22:59,158 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-27 02:22:59,158 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-27 02:22:59,158 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-27 02:22:59,158 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-27 02:22:59,158 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-27 02:22:59,158 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-27 02:22:59,158 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-27 02:22:59,159 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-27 02:22:59,159 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-27 02:22:59,159 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-27 02:22:59,159 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-27 02:22:59,159 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__weight [2020-10-27 02:22:59,159 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-27 02:22:59,159 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2020-10-27 02:22:59,159 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__weight [2020-10-27 02:22:59,159 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-27 02:22:59,159 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-27 02:22:59,160 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-27 02:22:59,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 02:22:59,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 02:22:59,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 02:23:02,299 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 02:23:02,301 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-27 02:23:02,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:23:02 BoogieIcfgContainer [2020-10-27 02:23:02,308 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 02:23:02,310 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 02:23:02,311 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 02:23:02,317 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 02:23:02,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 02:22:57" (1/3) ... [2020-10-27 02:23:02,318 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6935b68d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:23:02, skipping insertion in model container [2020-10-27 02:23:02,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:22:58" (2/3) ... [2020-10-27 02:23:02,319 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6935b68d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:23:02, skipping insertion in model container [2020-10-27 02:23:02,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:23:02" (3/3) ... [2020-10-27 02:23:02,321 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product18.cil.c [2020-10-27 02:23:02,335 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 02:23:02,342 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 02:23:02,358 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 02:23:02,406 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 02:23:02,406 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 02:23:02,406 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 02:23:02,407 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 02:23:02,407 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 02:23:02,407 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 02:23:02,407 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 02:23:02,407 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 02:23:02,462 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states. [2020-10-27 02:23:02,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-27 02:23:02,493 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:23:02,494 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, 1, 1, 1, 1, 1] [2020-10-27 02:23:02,495 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 02:23:02,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:23:02,504 INFO L82 PathProgramCache]: Analyzing trace with hash 178434987, now seen corresponding path program 1 times [2020-10-27 02:23:02,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:23:02,514 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1922494152] [2020-10-27 02:23:02,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:23:03,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:03,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:03,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:04,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:05,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:06,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:07,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:08,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:08,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-27 02:23:08,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:23:08,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 02:23:08,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:08,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 02:23:08,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:23:08,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-27 02:23:08,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 02:23:09,503 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-27 02:23:09,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:23:09,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:09,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:09,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:09,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:23:09,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:09,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 150 [2020-10-27 02:23:09,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:09,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:23:09,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:09,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:23:09,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:09,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:23:09,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:09,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:09,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:09,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:23:09,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:09,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:23:09,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:09,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:23:09,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:09,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:23:09,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:09,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:23:09,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:09,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:09,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:09,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:23:09,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:09,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:23:09,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:09,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:23:09,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:09,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:23:09,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:09,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:23:09,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:09,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:09,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:09,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:23:09,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:09,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:23:09,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:09,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:23:09,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:09,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:23:09,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:09,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:23:09,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:09,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:09,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:09,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:23:09,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:09,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:23:09,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:09,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:23:09,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:09,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:23:09,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:09,988 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-27 02:23:09,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 02:23:10,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:10,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:10,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:10,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 02:23:10,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:10,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-27 02:23:10,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:10,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:23:10,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:10,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 02:23:10,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:10,220 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 02:23:10,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:23:10,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:10,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:10,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:10,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:23:10,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:10,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:23:10,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:10,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:10,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:10,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:10,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:10,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 02:23:10,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:10,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:10,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:10,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:10,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:10,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:23:10,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:23:10,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 479 [2020-10-27 02:23:10,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:10,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:23:10,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:10,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 02:23:10,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:10,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:23:10,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:10,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:10,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:10,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:23:10,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:10,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:23:10,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:10,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:10,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:10,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:10,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:10,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:23:10,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:10,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:10,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:10,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:23:10,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:10,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 02:23:10,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:10,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:10,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:10,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:10,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:10,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:23:10,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:10,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:10,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:10,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:23:10,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:10,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:23:10,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:10,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:10,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:10,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:10,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:10,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 02:23:10,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:10,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:10,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:10,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:23:10,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:10,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 02:23:10,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:10,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:23:10,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:10,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 02:23:10,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:10,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:23:10,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:10,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:10,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:10,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:23:10,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:10,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:23:10,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:10,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:10,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:10,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:10,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:10,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:23:10,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:10,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:10,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:10,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:23:10,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:10,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:23:10,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:10,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:10,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:10,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:10,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:10,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 02:23:10,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:10,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:10,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:10,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:23:10,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:10,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:23:10,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:10,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:23:10,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:10,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:23:10,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:10,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 02:23:10,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:10,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:10,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:10,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:23:10,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:10,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:23:10,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:10,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:10,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:23:10,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:10,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:10,925 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 02:23:10,926 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1922494152] [2020-10-27 02:23:10,928 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:23:10,928 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 02:23:10,929 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686434696] [2020-10-27 02:23:10,934 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 02:23:10,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:23:10,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 02:23:10,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-27 02:23:10,952 INFO L87 Difference]: Start difference. First operand 785 states. Second operand 8 states. [2020-10-27 02:23:12,676 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 407 [2020-10-27 02:23:13,136 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 02:23:14,443 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-27 02:23:15,246 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-27 02:23:16,932 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 02:23:17,351 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:23:21,959 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-27 02:23:48,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:23:48,650 INFO L93 Difference]: Finished difference Result 2283 states and 4036 transitions. [2020-10-27 02:23:48,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-27 02:23:48,654 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 94 [2020-10-27 02:23:48,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:23:48,718 INFO L225 Difference]: With dead ends: 2283 [2020-10-27 02:23:48,719 INFO L226 Difference]: Without dead ends: 1652 [2020-10-27 02:23:48,730 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=107, Invalid=199, Unknown=0, NotChecked=0, Total=306 [2020-10-27 02:23:48,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1652 states. [2020-10-27 02:23:49,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1652 to 1138. [2020-10-27 02:23:49,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1138 states. [2020-10-27 02:23:49,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 1138 states and 1856 transitions. [2020-10-27 02:23:49,253 INFO L78 Accepts]: Start accepts. Automaton has 1138 states and 1856 transitions. Word has length 94 [2020-10-27 02:23:49,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:23:49,255 INFO L481 AbstractCegarLoop]: Abstraction has 1138 states and 1856 transitions. [2020-10-27 02:23:49,255 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 02:23:49,255 INFO L276 IsEmpty]: Start isEmpty. Operand 1138 states and 1856 transitions. [2020-10-27 02:23:49,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-27 02:23:49,266 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:23:49,267 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:23:49,267 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 02:23:49,268 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 02:23:49,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:23:49,269 INFO L82 PathProgramCache]: Analyzing trace with hash 1382684583, now seen corresponding path program 1 times [2020-10-27 02:23:49,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:23:49,271 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [650098989] [2020-10-27 02:23:49,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:23:49,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:49,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:49,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:49,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:50,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:51,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:52,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:53,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:54,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:54,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-27 02:23:54,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 02:23:54,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5053 [2020-10-27 02:23:54,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:54,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 02:23:54,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:23:54,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-27 02:23:54,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:23:55,716 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-27 02:23:55,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:23:55,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:55,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:55,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:55,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:23:55,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:55,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-27 02:23:55,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:55,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:23:55,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:55,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:23:55,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:55,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:23:55,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:55,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:55,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:55,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:23:55,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:55,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:23:55,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:55,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:23:55,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:55,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:23:55,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:55,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:23:55,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:55,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:55,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:55,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:23:55,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:55,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:23:55,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:55,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:23:55,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:55,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:23:55,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:55,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:23:55,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:55,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:55,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:55,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:23:55,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:55,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:23:55,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:55,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:23:55,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:55,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:23:55,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:55,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:23:55,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:55,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:55,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:55,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:23:55,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:55,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:23:55,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:55,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:23:55,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:55,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:23:55,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:56,204 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-27 02:23:56,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 02:23:56,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:56,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:56,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:56,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 02:23:56,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:56,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-27 02:23:56,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:56,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:23:56,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:56,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 02:23:56,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:23:56,427 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 02:23:56,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:23:56,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:56,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:56,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:56,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:23:56,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:56,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:23:56,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:56,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:56,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:56,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:56,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:56,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 02:23:56,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:56,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:56,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:56,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:56,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:56,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:23:56,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:23:56,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 418 [2020-10-27 02:23:56,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:56,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:23:56,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:56,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 02:23:56,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:56,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:23:56,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:56,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:56,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:56,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:23:56,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:56,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:23:56,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:56,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:56,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:56,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:56,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:56,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:23:56,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:56,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:56,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:56,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:23:56,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:56,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:23:56,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:56,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:56,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:56,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:56,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:56,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:23:56,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:56,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:56,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:56,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:23:56,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:56,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:23:56,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:56,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:56,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:56,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:56,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 02:23:56,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 02:23:56,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:56,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:56,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:56,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:23:56,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:56,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 02:23:56,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:56,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:23:56,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:56,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 02:23:56,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:57,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:23:57,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:57,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:57,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:57,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:23:57,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:57,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:23:57,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:57,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:57,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:57,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:57,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:57,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:23:57,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:57,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:57,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:57,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:23:57,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:57,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:23:57,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:57,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:57,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:57,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:57,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:57,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 02:23:57,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:57,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:57,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:57,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:23:57,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:57,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:23:57,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:57,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:23:57,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:57,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:23:57,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:57,270 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-27 02:23:57,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-27 02:23:57,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:57,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:57,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:57,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:57,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:57,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 02:23:57,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:23:57,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 222 [2020-10-27 02:23:57,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:57,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:23:57,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 02:23:57,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:23:57,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:23:57,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:23:57,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:57,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:57,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:57,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:23:57,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:57,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 02:23:57,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:57,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:23:57,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:57,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:23:57,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:23:57,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:23:57,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:57,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:57,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:57,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:23:57,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:57,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:23:57,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:57,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:57,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:57,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:57,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:23:57,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 02:23:57,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:57,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:57,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:57,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:23:57,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:57,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:23:57,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:57,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:57,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:23:57,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:57,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:57,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 02:23:57,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:57,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:57,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:57,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:23:57,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:57,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:23:57,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:57,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:57,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 02:23:57,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:57,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:23:57,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 02:23:57,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:57,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:57,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:57,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:23:57,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:57,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:23:57,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:57,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:57,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:23:57,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:57,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:23:57,785 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 02:23:57,785 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [650098989] [2020-10-27 02:23:57,786 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:23:57,786 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-27 02:23:57,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680406840] [2020-10-27 02:23:57,788 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 02:23:57,788 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:23:57,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 02:23:57,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2020-10-27 02:23:57,789 INFO L87 Difference]: Start difference. First operand 1138 states and 1856 transitions. Second operand 16 states. [2020-10-27 02:24:00,660 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-27 02:24:01,238 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 02:24:03,216 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-27 02:24:05,138 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 407 [2020-10-27 02:24:05,428 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-27 02:24:05,694 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-27 02:24:07,142 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 407 [2020-10-27 02:24:08,429 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 407 [2020-10-27 02:24:09,669 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 407 [2020-10-27 02:24:10,551 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 02:24:12,279 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 02:24:14,251 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-27 02:24:15,101 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:24:16,283 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:24:18,029 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-27 02:24:18,350 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-27 02:24:20,456 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-27 02:24:24,298 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 02:24:25,486 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 02:24:26,589 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 02:24:37,578 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 02:24:37,778 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 02:24:39,914 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-27 02:24:40,478 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-27 02:24:40,842 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:24:49,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:24:49,392 INFO L93 Difference]: Finished difference Result 3527 states and 6230 transitions. [2020-10-27 02:24:49,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-10-27 02:24:49,393 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 126 [2020-10-27 02:24:49,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:24:49,417 INFO L225 Difference]: With dead ends: 3527 [2020-10-27 02:24:49,417 INFO L226 Difference]: Without dead ends: 2423 [2020-10-27 02:24:49,427 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 785 ImplicationChecksByTransitivity, 16.1s TimeCoverageRelationStatistics Valid=581, Invalid=2175, Unknown=0, NotChecked=0, Total=2756 [2020-10-27 02:24:49,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2423 states. [2020-10-27 02:24:49,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2423 to 1681. [2020-10-27 02:24:49,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1681 states. [2020-10-27 02:24:49,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1681 states to 1681 states and 2707 transitions. [2020-10-27 02:24:49,882 INFO L78 Accepts]: Start accepts. Automaton has 1681 states and 2707 transitions. Word has length 126 [2020-10-27 02:24:49,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:24:49,883 INFO L481 AbstractCegarLoop]: Abstraction has 1681 states and 2707 transitions. [2020-10-27 02:24:49,883 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-27 02:24:49,883 INFO L276 IsEmpty]: Start isEmpty. Operand 1681 states and 2707 transitions. [2020-10-27 02:24:49,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-27 02:24:49,887 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:24:49,888 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:24:49,888 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 02:24:49,888 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 02:24:49,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:24:49,889 INFO L82 PathProgramCache]: Analyzing trace with hash 1288457096, now seen corresponding path program 1 times [2020-10-27 02:24:49,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:24:49,889 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2038060166] [2020-10-27 02:24:49,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:24:49,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:50,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:50,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:50,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:50,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:54,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:54,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:54,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:55,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:55,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-10-27 02:24:55,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 02:24:55,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5079 [2020-10-27 02:24:55,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:55,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 02:24:55,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-27 02:24:55,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-27 02:24:55,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:56,231 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-27 02:24:56,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:24:56,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:56,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:56,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:56,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:24:56,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:56,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-27 02:24:56,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:56,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:24:56,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:56,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:24:56,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:56,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:24:56,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:56,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:56,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:56,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:24:56,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:56,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:24:56,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:56,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:24:56,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:56,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:24:56,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:56,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:24:56,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:56,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:56,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:56,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:24:56,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:56,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:24:56,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:56,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:24:56,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:56,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:24:56,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:56,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:24:56,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:56,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:56,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:56,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:24:56,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:56,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:24:56,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:56,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:24:56,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:56,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:24:56,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:56,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:24:56,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:56,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:56,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:56,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:24:56,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:56,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:24:56,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:56,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:24:56,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:56,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:24:56,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:56,524 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-27 02:24:56,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 02:24:56,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:56,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:56,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:56,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 02:24:56,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:56,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-27 02:24:56,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:56,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:24:56,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:56,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:24:56,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:56,797 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 02:24:56,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:24:56,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:56,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:56,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:56,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:24:56,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:56,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 02:24:56,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:56,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:24:56,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:56,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:24:56,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:56,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 02:24:56,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:56,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:56,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:56,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:57,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:57,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:24:57,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:24:57,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 421 [2020-10-27 02:24:57,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:57,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:24:57,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:57,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 02:24:57,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:57,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:24:57,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:57,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:57,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:57,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:24:57,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:57,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:24:57,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:57,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:24:57,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:57,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:24:57,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:57,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:24:57,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:57,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:57,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:57,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:24:57,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:57,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:24:57,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:57,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:24:57,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:57,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:24:57,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:57,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:24:57,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:57,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:57,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:57,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:24:57,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:57,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:24:57,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:57,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:24:57,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:57,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:24:57,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:57,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 02:24:57,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:57,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:57,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:57,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:57,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:57,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:57,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:57,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:24:57,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:24:57,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-27 02:24:57,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:57,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:24:57,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:57,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 02:24:57,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:57,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:24:57,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:57,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:57,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:57,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:24:57,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:57,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:24:57,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:57,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:24:57,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:57,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:24:57,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:57,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:24:57,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:57,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:57,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:57,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:24:57,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:57,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:24:57,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:57,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:24:57,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:57,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:24:57,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:57,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 02:24:57,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:57,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:57,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:57,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:24:57,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:57,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:24:57,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:57,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:24:57,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:57,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:24:57,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:57,707 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-27 02:24:57,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 02:24:57,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:57,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:57,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:57,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:57,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:57,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:59,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:59,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 02:24:59,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:24:59,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1588 [2020-10-27 02:24:59,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:59,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 02:24:59,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 02:24:59,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-27 02:24:59,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:24:59,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:24:59,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:59,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:59,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:59,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:59,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 02:24:59,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:24:59,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-27 02:24:59,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:59,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:24:59,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:59,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 02:24:59,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:24:59,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:24:59,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:59,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:59,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:59,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:24:59,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:59,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:24:59,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:59,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:24:59,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:59,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:24:59,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:59,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:24:59,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:59,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:59,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:59,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:24:59,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:59,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:24:59,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:59,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:24:59,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:59,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:24:59,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:24:59,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 02:24:59,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:59,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:59,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:59,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:24:59,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:59,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:24:59,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:59,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:24:59,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:59,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:24:59,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:59,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 02:24:59,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:59,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:59,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:59,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:24:59,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:59,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:24:59,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:59,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:24:59,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:59,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 02:24:59,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:59,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 02:24:59,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:59,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:59,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:59,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:24:59,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:59,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:24:59,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:59,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:24:59,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:24:59,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:24:59,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:24:59,733 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 02:24:59,733 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2038060166] [2020-10-27 02:24:59,733 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:24:59,734 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-27 02:24:59,734 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693344220] [2020-10-27 02:24:59,735 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 02:24:59,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:24:59,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 02:24:59,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2020-10-27 02:24:59,736 INFO L87 Difference]: Start difference. First operand 1681 states and 2707 transitions. Second operand 15 states. [2020-10-27 02:25:04,780 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 407 DAG size of output: 405 [2020-10-27 02:25:05,238 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 02:25:06,409 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-27 02:25:08,427 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-27 02:25:09,780 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 02:25:11,060 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 412 [2020-10-27 02:25:12,279 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 02:25:13,418 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-27 02:25:14,207 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 02:25:19,892 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 02:25:20,293 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 02:25:20,467 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:25:20,878 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:25:23,287 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 407 [2020-10-27 02:25:24,495 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-27 02:25:25,707 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 407 [2020-10-27 02:25:26,584 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-27 02:25:27,145 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 02:25:31,144 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 150 [2020-10-27 02:25:32,360 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2020-10-27 02:25:32,859 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2020-10-27 02:25:33,333 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 02:25:34,330 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:25:39,344 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 02:26:04,781 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 02:26:10,486 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 153 [2020-10-27 02:26:13,517 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-27 02:26:18,758 WARN L193 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 410 DAG size of output: 408 [2020-10-27 02:26:21,150 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 413 DAG size of output: 411 [2020-10-27 02:26:23,500 WARN L193 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 411 DAG size of output: 409 [2020-10-27 02:26:25,682 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 02:26:31,914 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2020-10-27 02:26:35,536 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 02:26:37,457 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 147 [2020-10-27 02:26:38,472 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-27 02:26:38,935 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 111