/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_spec1_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 02:13:04,158 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 02:13:04,161 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 02:13:04,194 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 02:13:04,195 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 02:13:04,196 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 02:13:04,198 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 02:13:04,201 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 02:13:04,203 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 02:13:04,204 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 02:13:04,206 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 02:13:04,207 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 02:13:04,208 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 02:13:04,209 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 02:13:04,211 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 02:13:04,212 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 02:13:04,213 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 02:13:04,214 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 02:13:04,217 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 02:13:04,219 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 02:13:04,221 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 02:13:04,223 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 02:13:04,225 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 02:13:04,226 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 02:13:04,229 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 02:13:04,230 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 02:13:04,230 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 02:13:04,239 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 02:13:04,240 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 02:13:04,241 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 02:13:04,242 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 02:13:04,243 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 02:13:04,244 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 02:13:04,245 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 02:13:04,246 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 02:13:04,247 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 02:13:04,247 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 02:13:04,248 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 02:13:04,248 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 02:13:04,249 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 02:13:04,250 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 02:13:04,253 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 02:13:04,291 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 02:13:04,291 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 02:13:04,294 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 02:13:04,294 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 02:13:04,295 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 02:13:04,295 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 02:13:04,295 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 02:13:04,295 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 02:13:04,296 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 02:13:04,296 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 02:13:04,297 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 02:13:04,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 02:13:04,298 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 02:13:04,298 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 02:13:04,299 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 02:13:04,299 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 02:13:04,299 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 02:13:04,299 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 02:13:04,300 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 02:13:04,300 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 02:13:04,300 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 02:13:04,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:13:04,301 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 02:13:04,301 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 02:13:04,302 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 02:13:04,302 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 02:13:04,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 02:13:04,302 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 02:13:04,303 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 02:13:04,303 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 02:13:04,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 02:13:04,803 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 02:13:04,806 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 02:13:04,808 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 02:13:04,809 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 02:13:04,810 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec1_product24.cil.c [2020-10-27 02:13:04,890 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f9dae0c8d/8741c9a23199451fbd0f563b1eecf10b/FLAGdf964de06 [2020-10-27 02:13:05,852 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 02:13:05,855 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec1_product24.cil.c [2020-10-27 02:13:05,891 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f9dae0c8d/8741c9a23199451fbd0f563b1eecf10b/FLAGdf964de06 [2020-10-27 02:13:05,950 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f9dae0c8d/8741c9a23199451fbd0f563b1eecf10b [2020-10-27 02:13:05,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 02:13:05,961 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 02:13:05,963 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 02:13:05,964 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 02:13:05,968 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 02:13:05,969 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:13:05" (1/1) ... [2020-10-27 02:13:05,972 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8593962 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:13:05, skipping insertion in model container [2020-10-27 02:13:05,973 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:13:05" (1/1) ... [2020-10-27 02:13:05,982 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 02:13:06,052 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 02:13:06,899 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:13:06,912 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 02:13:07,062 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:13:07,160 INFO L208 MainTranslator]: Completed translation [2020-10-27 02:13:07,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:13:07 WrapperNode [2020-10-27 02:13:07,161 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 02:13:07,162 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 02:13:07,162 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 02:13:07,162 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 02:13:07,178 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:13:07" (1/1) ... [2020-10-27 02:13:07,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:13:07" (1/1) ... [2020-10-27 02:13:07,213 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:13:07" (1/1) ... [2020-10-27 02:13:07,214 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:13:07" (1/1) ... [2020-10-27 02:13:07,307 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:13:07" (1/1) ... [2020-10-27 02:13:07,345 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:13:07" (1/1) ... [2020-10-27 02:13:07,358 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:13:07" (1/1) ... [2020-10-27 02:13:07,372 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 02:13:07,373 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 02:13:07,373 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 02:13:07,373 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 02:13:07,374 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:13:07" (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 02:13:07,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 02:13:07,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 02:13:07,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 02:13:07,448 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 02:13:07,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 02:13:07,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 02:13:07,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 02:13:07,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 02:13:07,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 02:13:07,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 02:13:07,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 02:13:07,449 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-27 02:13:07,449 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-27 02:13:07,449 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-27 02:13:07,450 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-27 02:13:07,450 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-27 02:13:07,450 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-27 02:13:07,450 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-27 02:13:07,450 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-27 02:13:07,450 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 02:13:07,451 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-27 02:13:07,451 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-27 02:13:07,451 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-27 02:13:07,451 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 02:13:07,451 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-27 02:13:07,451 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 02:13:07,451 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 02:13:07,452 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 02:13:07,452 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-27 02:13:07,452 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-27 02:13:07,452 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-27 02:13:07,452 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-27 02:13:07,452 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-27 02:13:07,452 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-27 02:13:07,452 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-27 02:13:07,453 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-27 02:13:07,453 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-27 02:13:07,453 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-27 02:13:07,453 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-27 02:13:07,453 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-27 02:13:07,453 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-27 02:13:07,453 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-27 02:13:07,454 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-27 02:13:07,454 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-27 02:13:07,454 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-27 02:13:07,454 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-27 02:13:07,454 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-27 02:13:07,454 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-27 02:13:07,454 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-27 02:13:07,454 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-27 02:13:07,476 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-27 02:13:07,476 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-27 02:13:07,476 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2020-10-27 02:13:07,477 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-27 02:13:07,477 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-27 02:13:07,477 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-27 02:13:07,478 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-27 02:13:07,478 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-27 02:13:07,478 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-27 02:13:07,479 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-27 02:13:07,479 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-27 02:13:07,479 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-27 02:13:07,479 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2020-10-27 02:13:07,479 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 02:13:07,479 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2020-10-27 02:13:07,480 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-27 02:13:07,480 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-27 02:13:07,480 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-27 02:13:07,480 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-27 02:13:07,480 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-27 02:13:07,481 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-27 02:13:07,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-27 02:13:07,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__2 [2020-10-27 02:13:07,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__3 [2020-10-27 02:13:07,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__4 [2020-10-27 02:13:07,483 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 02:13:07,483 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-27 02:13:07,483 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-27 02:13:07,483 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-27 02:13:07,484 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 02:13:07,484 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 02:13:07,485 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 02:13:07,485 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 02:13:07,486 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 02:13:07,486 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 02:13:07,486 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 02:13:07,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 02:13:07,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 02:13:07,486 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 02:13:07,487 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 02:13:07,487 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 02:13:07,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 02:13:07,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 02:13:07,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 02:13:07,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 02:13:07,487 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 02:13:07,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 02:13:07,488 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 02:13:07,488 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 02:13:07,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 02:13:07,488 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 02:13:07,488 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 02:13:07,488 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 02:13:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 02:13:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 02:13:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-27 02:13:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-27 02:13:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-27 02:13:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-27 02:13:07,490 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-27 02:13:07,490 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-27 02:13:07,490 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-27 02:13:07,490 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-27 02:13:07,491 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-27 02:13:07,491 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 02:13:07,492 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-27 02:13:07,492 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-27 02:13:07,493 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-27 02:13:07,493 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 02:13:07,493 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-27 02:13:07,494 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-27 02:13:07,494 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-27 02:13:07,494 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-27 02:13:07,494 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-27 02:13:07,494 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 02:13:07,494 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-27 02:13:07,494 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 02:13:07,495 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-27 02:13:07,495 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__4 [2020-10-27 02:13:07,495 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 02:13:07,496 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 02:13:07,497 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 02:13:07,500 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 02:13:07,500 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 02:13:07,500 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 02:13:07,500 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-27 02:13:07,501 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-27 02:13:07,501 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-27 02:13:07,501 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-27 02:13:07,502 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-27 02:13:07,503 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-27 02:13:07,504 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-27 02:13:07,504 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__2 [2020-10-27 02:13:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 02:13:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-27 02:13:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-27 02:13:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-27 02:13:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-27 02:13:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-27 02:13:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-27 02:13:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-27 02:13:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-27 02:13:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-27 02:13:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-27 02:13:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-27 02:13:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-27 02:13:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-27 02:13:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-27 02:13:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-27 02:13:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-27 02:13:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-27 02:13:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-27 02:13:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2020-10-27 02:13:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-27 02:13:07,511 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-27 02:13:07,511 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-27 02:13:07,511 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-27 02:13:07,511 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-27 02:13:07,511 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-27 02:13:07,511 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-27 02:13:07,511 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-27 02:13:07,511 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2020-10-27 02:13:07,511 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__3 [2020-10-27 02:13:07,512 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2020-10-27 02:13:07,512 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-27 02:13:07,512 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-27 02:13:07,512 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-27 02:13:07,512 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 02:13:07,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 02:13:07,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 02:13:07,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 02:13:11,022 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 02:13:11,022 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-27 02:13:11,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:13:11 BoogieIcfgContainer [2020-10-27 02:13:11,027 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 02:13:11,031 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 02:13:11,031 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 02:13:11,036 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 02:13:11,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 02:13:05" (1/3) ... [2020-10-27 02:13:11,037 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@442b535 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:13:11, skipping insertion in model container [2020-10-27 02:13:11,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:13:07" (2/3) ... [2020-10-27 02:13:11,037 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@442b535 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:13:11, skipping insertion in model container [2020-10-27 02:13:11,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:13:11" (3/3) ... [2020-10-27 02:13:11,040 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product24.cil.c [2020-10-27 02:13:11,057 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 02:13:11,064 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 02:13:11,077 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 02:13:11,111 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 02:13:11,111 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 02:13:11,111 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 02:13:11,111 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 02:13:11,111 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 02:13:11,111 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 02:13:11,111 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 02:13:11,112 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 02:13:11,148 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states. [2020-10-27 02:13:11,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-27 02:13:11,165 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:13:11,166 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:13:11,167 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 02:13:11,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:13:11,173 INFO L82 PathProgramCache]: Analyzing trace with hash 1308346199, now seen corresponding path program 1 times [2020-10-27 02:13:11,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:13:11,183 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [63204185] [2020-10-27 02:13:11,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:13:11,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:11,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:12,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:12,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:12,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:13,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:13,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:15,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:16,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:16,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-27 02:13:16,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 02:13:16,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5040 [2020-10-27 02:13:16,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:16,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:13:16,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-27 02:13:16,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:13:16,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 02:13:19,287 WARN L193 SmtUtils]: Spent 2.37 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:13:19,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:13:19,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:19,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:19,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:19,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:13:19,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:19,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-10-27 02:13:19,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:19,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:19,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:19,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:19,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:19,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:13:19,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:19,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:19,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:19,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:13:19,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:19,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:13:19,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:19,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:19,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:19,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:19,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:19,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:13:19,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:19,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:19,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:19,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:13:19,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:19,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:13:19,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:19,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:19,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:19,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:19,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:19,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:13:19,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:19,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:19,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:19,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:13:19,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:19,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:13:19,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:19,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:19,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:19,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:19,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:19,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:13:19,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:19,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:19,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:19,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:13:19,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:19,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:13:19,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:19,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:19,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:19,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:19,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:19,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 02:13:19,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:19,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:19,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:19,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:13:19,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:19,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:13:19,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:19,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:19,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:19,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:19,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:13:20,076 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 02:13:20,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:13:20,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:20,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:20,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:20,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:20,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:20,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:20,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:20,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:25,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:25,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-27 02:13:25,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 02:13:25,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-27 02:13:25,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:25,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:13:25,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:13:25,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:13:25,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:25,467 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 02:13:25,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:13:25,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:25,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:25,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:25,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:25,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:25,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:26,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:26,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 02:13:26,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:13:26,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1360 [2020-10-27 02:13:26,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:26,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:13:26,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:13:26,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:13:26,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:26,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:13:26,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:26,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:26,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:26,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:13:26,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:26,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:13:26,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:26,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:13:26,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:13:26,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:13:26,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:26,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:13:26,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:26,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:26,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:26,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:26,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 02:13:26,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:13:27,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-27 02:13:27,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:27,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:13:27,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:13:27,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 02:13:27,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:27,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:13:27,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:27,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:27,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:27,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:13:27,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:27,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 02:13:27,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:27,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:13:27,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:27,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:13:27,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:27,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:13:27,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:27,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:27,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:27,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:13:27,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:27,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:13:27,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:27,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:27,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:27,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:27,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 02:13:27,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:13:27,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:27,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:27,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:27,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:27,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:27,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:28,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:28,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:28,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 02:13:28,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:13:28,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1343 [2020-10-27 02:13:28,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:28,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:13:28,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:13:28,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:13:28,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:28,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:13:28,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:28,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:28,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:28,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:13:28,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:28,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:13:28,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:28,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:13:28,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:13:28,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:13:28,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:28,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:13:28,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:28,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:28,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:28,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:28,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 02:13:28,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:13:28,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 02:13:28,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:28,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:13:28,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:13:28,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 02:13:28,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:28,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:13:28,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:28,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:28,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:28,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:13:28,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:28,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 02:13:28,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:28,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:13:28,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:28,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:13:28,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:28,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:13:28,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:28,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:28,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:28,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:13:28,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:28,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:13:28,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:28,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:28,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:28,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:28,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:28,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 02:13:28,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:28,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:28,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:28,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:28,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-27 02:13:28,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:13:28,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-27 02:13:28,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:28,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:28,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-27 02:13:28,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:28,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:28,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:13:28,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:28,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:28,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:28,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 02:13:28,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:28,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 02:13:28,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:28,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:28,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:28,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:28,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:28,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:13:28,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:28,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:28,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:28,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:13:28,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:28,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:13:28,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:28,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:28,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:28,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:28,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:28,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:13:28,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:28,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:28,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:28,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 02:13:28,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:28,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:13:28,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:28,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:28,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:28,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:28,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:28,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:13:28,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:28,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:28,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:28,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:13:28,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:28,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:13:28,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:28,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:28,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:28,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:28,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:28,995 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-27 02:13:28,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [63204185] [2020-10-27 02:13:28,998 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:13:28,998 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 02:13:28,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584741066] [2020-10-27 02:13:29,004 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 02:13:29,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:13:29,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 02:13:29,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-27 02:13:29,023 INFO L87 Difference]: Start difference. First operand 822 states. Second operand 11 states. [2020-10-27 02:13:33,342 WARN L193 SmtUtils]: Spent 2.35 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:13:35,819 WARN L193 SmtUtils]: Spent 2.43 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 02:13:38,497 WARN L193 SmtUtils]: Spent 2.39 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:14:07,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:14:07,476 INFO L93 Difference]: Finished difference Result 1591 states and 2647 transitions. [2020-10-27 02:14:07,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 02:14:07,484 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 117 [2020-10-27 02:14:07,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:14:07,518 INFO L225 Difference]: With dead ends: 1591 [2020-10-27 02:14:07,518 INFO L226 Difference]: Without dead ends: 928 [2020-10-27 02:14:07,530 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 10.8s TimeCoverageRelationStatistics Valid=88, Invalid=254, Unknown=0, NotChecked=0, Total=342 [2020-10-27 02:14:07,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 928 states. [2020-10-27 02:14:07,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 928 to 658. [2020-10-27 02:14:07,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 658 states. [2020-10-27 02:14:07,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 1034 transitions. [2020-10-27 02:14:07,874 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 1034 transitions. Word has length 117 [2020-10-27 02:14:07,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:14:07,875 INFO L481 AbstractCegarLoop]: Abstraction has 658 states and 1034 transitions. [2020-10-27 02:14:07,875 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 02:14:07,875 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 1034 transitions. [2020-10-27 02:14:07,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-27 02:14:07,890 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:14:07,891 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:14:07,892 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 02:14:07,892 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 02:14:07,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:14:07,892 INFO L82 PathProgramCache]: Analyzing trace with hash -946183964, now seen corresponding path program 1 times [2020-10-27 02:14:07,893 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:14:07,893 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [750668364] [2020-10-27 02:14:07,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:14:07,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:08,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:08,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:08,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:08,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:08,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:08,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:09,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:12,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:12,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-27 02:14:12,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 02:14:12,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 02:14:12,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:12,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:14:12,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-27 02:14:12,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:14:12,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:15,380 WARN L193 SmtUtils]: Spent 2.33 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:14:15,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:14:15,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:15,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:15,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:15,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:14:15,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:15,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-27 02:14:15,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:15,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:15,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:15,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:15,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:15,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:14:15,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:15,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:15,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:15,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:14:15,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:15,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:14:15,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:15,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:15,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:15,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:15,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:15,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:14:15,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:15,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:15,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:15,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:14:15,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:15,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:14:15,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:15,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:15,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:15,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:15,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:15,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:14:15,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:15,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:15,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:15,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:14:15,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:15,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:14:15,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:15,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:15,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:15,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:15,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:15,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:14:15,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:15,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:15,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:15,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:14:15,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:15,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:14:15,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:15,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:15,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:15,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:15,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:15,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 02:14:15,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:15,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:15,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:15,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:14:15,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:15,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:14:15,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:15,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:15,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:15,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:15,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:16,002 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 02:14:16,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:14:16,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:16,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:16,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:16,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:16,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:16,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:16,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:16,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:16,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:20,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:20,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:21,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:21,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-27 02:14:21,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 02:14:21,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 02:14:21,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:21,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:14:21,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:14:21,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:14:21,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:21,326 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 02:14:21,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:14:21,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:21,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:21,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:21,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:21,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:21,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:22,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:22,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 02:14:22,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:14:22,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 824 [2020-10-27 02:14:22,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:22,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:14:22,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:14:22,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:14:22,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:14:22,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:14:22,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:22,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:22,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:22,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:14:22,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:22,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:14:22,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:22,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:14:22,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:14:22,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:14:22,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:14:22,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:14:22,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:22,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:22,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:22,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:22,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 02:14:22,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:14:22,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-27 02:14:22,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:22,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:14:22,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:14:22,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 02:14:22,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:14:22,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 02:14:22,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:22,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:22,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:22,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:14:22,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:22,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 02:14:22,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:22,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:14:22,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:22,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:14:22,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:22,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:14:22,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:22,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:22,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:22,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:14:22,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:22,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:14:22,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:22,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:22,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:22,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:22,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:22,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 02:14:22,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:22,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:22,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:22,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:22,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:22,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:23,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:23,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:23,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 02:14:23,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:14:23,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 855 [2020-10-27 02:14:23,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:23,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:14:23,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:14:23,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:14:23,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:23,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:14:23,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:23,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:23,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:23,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:14:23,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:23,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:14:23,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:23,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:14:23,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:14:23,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:14:23,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:23,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:14:23,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:23,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:23,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:23,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:23,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 02:14:23,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:14:23,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 02:14:23,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:23,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:14:23,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:14:23,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 02:14:23,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:23,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 02:14:23,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:23,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:23,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:23,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:14:23,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:23,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:14:23,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:23,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:14:23,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:23,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:14:23,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:23,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:14:23,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:23,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:23,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:23,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:14:23,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:23,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:14:23,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:23,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:23,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:23,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:23,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:23,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 02:14:23,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:23,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:23,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:23,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 02:14:23,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:23,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 02:14:23,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:23,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:23,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 02:14:23,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:23,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:23,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:14:23,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:23,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:23,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:23,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 02:14:23,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:23,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 02:14:23,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:23,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:23,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:23,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:23,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:14:23,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:14:23,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:23,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:23,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:23,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:14:23,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:23,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:14:23,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:23,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:23,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:23,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:23,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:14:23,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:14:23,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:23,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:23,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:23,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 02:14:23,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:23,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:14:23,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:23,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:23,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:23,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:23,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:23,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:14:23,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:23,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:23,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:23,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:14:23,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:23,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:14:23,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:23,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:23,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:23,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:23,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:23,792 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-27 02:14:23,792 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [750668364] [2020-10-27 02:14:23,792 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:14:23,793 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 02:14:23,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484612460] [2020-10-27 02:14:23,794 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 02:14:23,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:14:23,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 02:14:23,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-27 02:14:23,796 INFO L87 Difference]: Start difference. First operand 658 states and 1034 transitions. Second operand 13 states. [2020-10-27 02:14:27,964 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:14:30,248 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 02:14:32,707 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:15:05,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:15:05,857 INFO L93 Difference]: Finished difference Result 1565 states and 2581 transitions. [2020-10-27 02:15:05,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 02:15:05,868 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 123 [2020-10-27 02:15:05,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:15:05,878 INFO L225 Difference]: With dead ends: 1565 [2020-10-27 02:15:05,878 INFO L226 Difference]: Without dead ends: 928 [2020-10-27 02:15:05,883 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 10.3s TimeCoverageRelationStatistics Valid=97, Invalid=323, Unknown=0, NotChecked=0, Total=420 [2020-10-27 02:15:05,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 928 states. [2020-10-27 02:15:06,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 928 to 658. [2020-10-27 02:15:06,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 658 states. [2020-10-27 02:15:06,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 1028 transitions. [2020-10-27 02:15:06,142 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 1028 transitions. Word has length 123 [2020-10-27 02:15:06,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:15:06,143 INFO L481 AbstractCegarLoop]: Abstraction has 658 states and 1028 transitions. [2020-10-27 02:15:06,143 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 02:15:06,143 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 1028 transitions. [2020-10-27 02:15:06,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-27 02:15:06,145 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:15:06,146 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:15:06,146 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 02:15:06,146 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 02:15:06,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:15:06,147 INFO L82 PathProgramCache]: Analyzing trace with hash 896053990, now seen corresponding path program 1 times [2020-10-27 02:15:06,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:15:06,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1092616290] [2020-10-27 02:15:06,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:15:06,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:06,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:06,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:06,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:06,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:06,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:07,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:11,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:11,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-27 02:15:11,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:15:11,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-10-27 02:15:11,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:11,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:15:11,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-27 02:15:11,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:15:11,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:13,463 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:15:13,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:15:13,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:13,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:13,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:13,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:15:13,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:13,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 02:15:13,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:13,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:13,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:13,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:13,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:13,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:15:13,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:13,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:13,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:13,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:15:13,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:13,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:15:13,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:13,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:13,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:13,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:13,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:13,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:15:13,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:13,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:13,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:13,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:15:13,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:13,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:15:13,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:13,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:13,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:13,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:13,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:13,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:15:13,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:13,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:13,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:13,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:15:13,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:13,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:15:13,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:13,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:13,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:13,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:13,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:13,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:15:13,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:13,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:13,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:13,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:15:13,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:13,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:15:13,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:13,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:13,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:13,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:13,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:13,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 02:15:13,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:13,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:13,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:13,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:15:13,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:13,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:15:13,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:13,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:13,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:13,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:13,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:14,025 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 02:15:14,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:15:14,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:14,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:14,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:14,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:14,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:14,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:15,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:16,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:16,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:19,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:19,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-27 02:15:19,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 02:15:19,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 02:15:19,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:19,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:15:19,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:15:19,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:15:19,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:19,397 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 02:15:19,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:15:19,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:19,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:19,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:19,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:19,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:19,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:20,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:20,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 02:15:20,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:15:20,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 856 [2020-10-27 02:15:20,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:20,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:15:20,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:15:20,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:15:20,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:20,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:15:20,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:20,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:20,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:20,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:15:20,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:20,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:15:20,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:20,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:15:20,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:15:20,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 02:15:20,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:20,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:15:20,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:20,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:20,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:20,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:20,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 02:15:20,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:15:20,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-27 02:15:20,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:20,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:15:20,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:15:20,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 02:15:20,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:20,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 02:15:20,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:20,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:20,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:20,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:15:20,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:20,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:15:20,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:20,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:15:20,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:20,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:15:20,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:20,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:15:20,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:20,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:20,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:20,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:15:20,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:20,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:15:20,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:20,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:20,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:20,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:20,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:20,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 02:15:20,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:20,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:20,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:20,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:20,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:20,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:20,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 02:15:20,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:15:20,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 251 [2020-10-27 02:15:20,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:20,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 02:15:20,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 02:15:20,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 02:15:20,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:20,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:15:20,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:20,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:20,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:20,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:15:20,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:20,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:15:20,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:20,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:15:20,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:20,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:15:20,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:20,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:15:20,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:20,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:20,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:20,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:21,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:21,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 02:15:21,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:15:21,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 215 [2020-10-27 02:15:21,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:21,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 02:15:21,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:15:21,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 02:15:21,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:21,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 02:15:21,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:21,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:21,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:21,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:21,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:15:21,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:15:21,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-27 02:15:21,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:21,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 02:15:21,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:21,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 02:15:21,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:21,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:15:21,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:21,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:21,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:21,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:15:21,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:21,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 02:15:21,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:21,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:15:21,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:21,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:15:21,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:21,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 02:15:21,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:21,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:21,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:21,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 02:15:21,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:21,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-27 02:15:21,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:21,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:21,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 02:15:21,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:21,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:21,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:15:21,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:21,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:21,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:21,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 02:15:21,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:21,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 02:15:21,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:21,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:21,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:21,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:21,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:21,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:15:21,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:21,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:21,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:21,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:15:21,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:21,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:15:21,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:21,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:21,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:21,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:21,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:21,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:15:21,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:21,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:21,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:21,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 02:15:21,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:21,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:15:21,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:21,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:21,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:21,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:21,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:21,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:15:21,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:21,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:21,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:21,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:15:21,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:21,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:15:21,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:21,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:21,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:21,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:21,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:21,710 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-27 02:15:21,711 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1092616290] [2020-10-27 02:15:21,711 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:15:21,711 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-27 02:15:21,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253854725] [2020-10-27 02:15:21,712 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-27 02:15:21,712 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:15:21,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-27 02:15:21,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2020-10-27 02:15:21,713 INFO L87 Difference]: Start difference. First operand 658 states and 1028 transitions. Second operand 20 states. [2020-10-27 02:15:27,498 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:15:29,937 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification that was a NOOP. DAG size: 425 [2020-10-27 02:15:32,533 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification that was a NOOP. DAG size: 424 [2020-10-27 02:15:34,875 WARN L193 SmtUtils]: Spent 2.28 s on a formula simplification that was a NOOP. DAG size: 426 [2020-10-27 02:15:37,513 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification that was a NOOP. DAG size: 422 [2020-10-27 02:15:40,214 WARN L193 SmtUtils]: Spent 2.29 s on a formula simplification that was a NOOP. DAG size: 424 [2020-10-27 02:15:42,757 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:15:45,086 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:15:47,531 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 02:15:50,056 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:15:54,233 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:15:56,738 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 02:15:59,518 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:16:01,867 WARN L193 SmtUtils]: Spent 2.28 s on a formula simplification that was a NOOP. DAG size: 426 [2020-10-27 02:16:04,248 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification that was a NOOP. DAG size: 428 [2020-10-27 02:16:07,738 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:16:10,020 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification that was a NOOP. DAG size: 422 [2020-10-27 02:16:47,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:16:47,661 INFO L93 Difference]: Finished difference Result 1644 states and 2715 transitions. [2020-10-27 02:16:47,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-10-27 02:16:47,663 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 127 [2020-10-27 02:16:47,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:16:47,673 INFO L225 Difference]: With dead ends: 1644 [2020-10-27 02:16:47,674 INFO L226 Difference]: Without dead ends: 1016 [2020-10-27 02:16:47,679 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 584 ImplicationChecksByTransitivity, 43.3s TimeCoverageRelationStatistics Valid=352, Invalid=2300, Unknown=0, NotChecked=0, Total=2652 [2020-10-27 02:16:47,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1016 states. [2020-10-27 02:16:47,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1016 to 727. [2020-10-27 02:16:47,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 727 states. [2020-10-27 02:16:47,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 727 states and 1135 transitions. [2020-10-27 02:16:47,868 INFO L78 Accepts]: Start accepts. Automaton has 727 states and 1135 transitions. Word has length 127 [2020-10-27 02:16:47,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:16:47,869 INFO L481 AbstractCegarLoop]: Abstraction has 727 states and 1135 transitions. [2020-10-27 02:16:47,869 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-27 02:16:47,869 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 1135 transitions. [2020-10-27 02:16:47,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-27 02:16:47,872 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:16:47,872 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:16:47,873 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 02:16:47,873 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:16:47,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:16:47,873 INFO L82 PathProgramCache]: Analyzing trace with hash -1510013589, now seen corresponding path program 1 times [2020-10-27 02:16:47,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:16:47,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1122292202] [2020-10-27 02:16:47,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:16:47,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:47,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:48,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:48,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:48,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:48,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:48,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:48,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:49,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking...