/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=DEEPEST --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/minepump_spec3_product38.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 22:11:41,342 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 22:11:41,345 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 22:11:41,381 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 22:11:41,382 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 22:11:41,383 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 22:11:41,385 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 22:11:41,388 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 22:11:41,397 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 22:11:41,399 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 22:11:41,400 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 22:11:41,402 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 22:11:41,402 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 22:11:41,404 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 22:11:41,405 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 22:11:41,407 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 22:11:41,408 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 22:11:41,409 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 22:11:41,411 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 22:11:41,414 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 22:11:41,416 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 22:11:41,422 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 22:11:41,423 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 22:11:41,425 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 22:11:41,428 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 22:11:41,429 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 22:11:41,429 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 22:11:41,430 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 22:11:41,431 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 22:11:41,432 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 22:11:41,433 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 22:11:41,434 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 22:11:41,435 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 22:11:41,436 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 22:11:41,437 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 22:11:41,438 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 22:11:41,439 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 22:11:41,439 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 22:11:41,439 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 22:11:41,440 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 22:11:41,441 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 22:11:41,446 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 22:11:41,500 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 22:11:41,501 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 22:11:41,504 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 22:11:41,504 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 22:11:41,504 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 22:11:41,505 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 22:11:41,507 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 22:11:41,507 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 22:11:41,508 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 22:11:41,508 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 22:11:41,508 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 22:11:41,508 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 22:11:41,509 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 22:11:41,509 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 22:11:41,509 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 22:11:41,509 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 22:11:41,509 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 22:11:41,510 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 22:11:41,511 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 22:11:41,511 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 22:11:41,512 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 22:11:41,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 22:11:41,513 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 22:11:41,513 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 22:11:41,513 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 22:11:41,513 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 22:11:41,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 22:11:41,514 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 22:11:41,514 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 22:11:41,514 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 22:11:41,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 22:11:41,957 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 22:11:41,961 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 22:11:41,962 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 22:11:41,963 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 22:11:41,964 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product38.cil.c [2020-10-27 22:11:42,052 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/97a032ac5/7f543cd5234e4841b8a269ccb0c41d63/FLAG24c51ec89 [2020-10-27 22:11:42,788 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 22:11:42,789 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product38.cil.c [2020-10-27 22:11:42,805 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/97a032ac5/7f543cd5234e4841b8a269ccb0c41d63/FLAG24c51ec89 [2020-10-27 22:11:43,080 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/97a032ac5/7f543cd5234e4841b8a269ccb0c41d63 [2020-10-27 22:11:43,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 22:11:43,091 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 22:11:43,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 22:11:43,097 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 22:11:43,102 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 22:11:43,103 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:11:43" (1/1) ... [2020-10-27 22:11:43,108 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41ea4a01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:11:43, skipping insertion in model container [2020-10-27 22:11:43,108 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:11:43" (1/1) ... [2020-10-27 22:11:43,117 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 22:11:43,195 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 22:11:43,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 22:11:43,593 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 22:11:43,779 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 22:11:43,831 INFO L208 MainTranslator]: Completed translation [2020-10-27 22:11:43,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:11:43 WrapperNode [2020-10-27 22:11:43,832 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 22:11:43,834 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 22:11:43,834 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 22:11:43,834 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 22:11:43,849 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:11:43" (1/1) ... [2020-10-27 22:11:43,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:11:43" (1/1) ... [2020-10-27 22:11:43,868 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:11:43" (1/1) ... [2020-10-27 22:11:43,869 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:11:43" (1/1) ... [2020-10-27 22:11:43,925 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:11:43" (1/1) ... [2020-10-27 22:11:43,938 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:11:43" (1/1) ... [2020-10-27 22:11:43,950 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:11:43" (1/1) ... [2020-10-27 22:11:43,965 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 22:11:43,966 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 22:11:43,967 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 22:11:43,967 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 22:11:43,970 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:11:43" (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 22:11:44,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 22:11:44,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 22:11:44,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 22:11:44,076 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 22:11:44,076 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 22:11:44,077 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 22:11:44,077 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 22:11:44,078 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 22:11:44,078 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 22:11:44,078 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 22:11:44,079 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-27 22:11:44,079 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-10-27 22:11:44,080 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-27 22:11:44,080 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-27 22:11:44,080 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-27 22:11:44,081 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-27 22:11:44,081 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-27 22:11:44,081 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-27 22:11:44,082 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-27 22:11:44,082 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-27 22:11:44,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 22:11:44,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 22:11:44,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 22:11:44,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 22:11:44,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 22:11:44,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 22:11:44,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 22:11:44,084 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 22:11:44,084 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 22:11:44,084 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 22:11:44,085 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 22:11:44,085 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 22:11:44,085 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-27 22:11:44,085 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-27 22:11:44,085 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-27 22:11:44,085 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-27 22:11:44,086 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-27 22:11:44,086 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-27 22:11:44,086 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-27 22:11:44,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-27 22:11:44,086 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 22:11:44,087 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 22:11:44,087 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 22:11:44,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 22:11:44,087 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 22:11:44,087 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 22:11:44,087 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 22:11:44,088 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 22:11:44,088 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 22:11:44,088 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 22:11:44,088 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-27 22:11:44,088 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-27 22:11:44,089 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-27 22:11:44,090 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 22:11:44,090 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 22:11:44,090 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 22:11:44,090 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-27 22:11:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-27 22:11:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-27 22:11:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-27 22:11:44,092 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-27 22:11:44,092 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-27 22:11:44,092 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-27 22:11:44,092 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-27 22:11:44,092 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-27 22:11:44,093 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-27 22:11:44,093 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-27 22:11:44,093 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-27 22:11:44,093 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-10-27 22:11:44,093 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-27 22:11:44,094 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 22:11:44,094 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 22:11:44,096 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 22:11:44,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 22:11:44,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 22:11:44,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 22:11:44,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 22:11:44,097 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 22:11:44,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 22:11:44,098 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 22:11:44,098 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 22:11:44,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 22:11:44,098 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 22:11:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 22:11:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 22:11:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 22:11:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 22:11:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 22:11:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 22:11:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 22:11:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-27 22:11:44,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 22:11:44,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 22:11:44,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 22:11:45,467 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 22:11:45,467 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-27 22:11:45,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:11:45 BoogieIcfgContainer [2020-10-27 22:11:45,472 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 22:11:45,476 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 22:11:45,476 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 22:11:45,480 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 22:11:45,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 10:11:43" (1/3) ... [2020-10-27 22:11:45,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b7589dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:11:45, skipping insertion in model container [2020-10-27 22:11:45,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:11:43" (2/3) ... [2020-10-27 22:11:45,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b7589dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:11:45, skipping insertion in model container [2020-10-27 22:11:45,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:11:45" (3/3) ... [2020-10-27 22:11:45,484 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product38.cil.c [2020-10-27 22:11:45,498 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 22:11:45,505 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 22:11:45,519 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 22:11:45,553 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 22:11:45,554 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 22:11:45,555 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 22:11:45,555 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 22:11:45,555 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 22:11:45,555 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 22:11:45,555 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 22:11:45,556 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 22:11:45,584 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states. [2020-10-27 22:11:45,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-27 22:11:45,618 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:11:45,619 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:11:45,620 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 22:11:45,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:11:45,627 INFO L82 PathProgramCache]: Analyzing trace with hash -1244871602, now seen corresponding path program 1 times [2020-10-27 22:11:45,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:11:45,638 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [516032752] [2020-10-27 22:11:45,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:11:45,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:46,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:46,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:47,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:49,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:49,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-27 22:11:49,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:11:49,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3160 [2020-10-27 22:11:49,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:49,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:49,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 22:11:49,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:49,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-27 22:11:49,600 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:11:49,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:11:49,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:49,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:49,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:49,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:49,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:49,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-27 22:11:49,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:49,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:49,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:49,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:49,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:49,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:11:49,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:49,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:49,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:49,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:11:49,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:49,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:49,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:49,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:49,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:49,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:49,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:49,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:11:49,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:49,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:49,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:49,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:11:49,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:49,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:49,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:49,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:49,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:49,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:49,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:49,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:11:49,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:49,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:49,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:49,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:49,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:49,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:49,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:49,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:49,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:49,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:49,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:49,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:11:49,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:49,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:49,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:49,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:11:49,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:49,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:49,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:49,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:49,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:49,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:49,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:49,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 22:11:49,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:49,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:49,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:49,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:49,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:49,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:49,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:49,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:49,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:11:49,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:49,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:49,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 22:11:49,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:49,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:49,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:49,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:49,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:49,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:49,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:49,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:49,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:11:49,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:49,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:49,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 22:11:49,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:49,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:49,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:49,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:49,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:49,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:49,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:49,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:49,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:11:49,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:49,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:49,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 22:11:49,796 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [516032752] [2020-10-27 22:11:49,798 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:11:49,798 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-27 22:11:49,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263619546] [2020-10-27 22:11:49,804 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-27 22:11:49,805 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:11:49,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-27 22:11:49,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-27 22:11:49,823 INFO L87 Difference]: Start difference. First operand 180 states. Second operand 3 states. [2020-10-27 22:11:51,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:11:51,445 INFO L93 Difference]: Finished difference Result 313 states and 408 transitions. [2020-10-27 22:11:51,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-27 22:11:51,448 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-10-27 22:11:51,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:11:51,462 INFO L225 Difference]: With dead ends: 313 [2020-10-27 22:11:51,463 INFO L226 Difference]: Without dead ends: 167 [2020-10-27 22:11:51,468 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-27 22:11:51,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2020-10-27 22:11:51,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 134. [2020-10-27 22:11:51,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-10-27 22:11:51,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 157 transitions. [2020-10-27 22:11:51,592 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 157 transitions. Word has length 53 [2020-10-27 22:11:51,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:11:51,593 INFO L481 AbstractCegarLoop]: Abstraction has 134 states and 157 transitions. [2020-10-27 22:11:51,593 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-27 22:11:51,594 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 157 transitions. [2020-10-27 22:11:51,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-27 22:11:51,598 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:11:51,598 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:11:51,599 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 22:11:51,599 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 22:11:51,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:11:51,600 INFO L82 PathProgramCache]: Analyzing trace with hash -1922357808, now seen corresponding path program 1 times [2020-10-27 22:11:51,600 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:11:51,601 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1695077632] [2020-10-27 22:11:51,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:11:51,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:51,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:51,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:51,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:54,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:54,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-27 22:11:54,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:11:54,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3301 [2020-10-27 22:11:54,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:54,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:11:54,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-27 22:11:54,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 22:11:54,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:55,320 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:11:55,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:11:55,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:55,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:55,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:55,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:55,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:55,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-27 22:11:55,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:55,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:55,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:55,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:55,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:55,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:11:55,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:55,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:55,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:55,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:11:55,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:55,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:11:55,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:55,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:55,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:55,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:55,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:55,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:11:55,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:55,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:55,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:55,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:11:55,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:55,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:11:55,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:55,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:55,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:55,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:55,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:55,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:11:55,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:55,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:55,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:55,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:55,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:55,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:55,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:55,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:55,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:55,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:55,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:55,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:11:55,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:55,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:55,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:55,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:11:55,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:55,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:55,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:55,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:55,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:55,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:55,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:55,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 22:11:55,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:55,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:55,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:55,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:55,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:55,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:55,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:55,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:55,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:11:55,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:55,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:55,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 22:11:55,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:55,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:55,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:55,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:55,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:55,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:55,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:55,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:55,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:11:55,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:55,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 22:11:55,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-27 22:11:55,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:55,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:55,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:55,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:55,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:55,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:55,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:55,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:55,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:11:55,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:55,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:55,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 22:11:55,470 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1695077632] [2020-10-27 22:11:55,470 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:11:55,473 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-27 22:11:55,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446109162] [2020-10-27 22:11:55,476 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 22:11:55,477 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:11:55,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 22:11:55,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 22:11:55,478 INFO L87 Difference]: Start difference. First operand 134 states and 157 transitions. Second operand 4 states. [2020-10-27 22:11:56,186 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:11:57,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:11:57,310 INFO L93 Difference]: Finished difference Result 239 states and 291 transitions. [2020-10-27 22:11:57,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 22:11:57,310 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2020-10-27 22:11:57,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:11:57,313 INFO L225 Difference]: With dead ends: 239 [2020-10-27 22:11:57,313 INFO L226 Difference]: Without dead ends: 151 [2020-10-27 22:11:57,315 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-27 22:11:57,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-10-27 22:11:57,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 125. [2020-10-27 22:11:57,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-10-27 22:11:57,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 145 transitions. [2020-10-27 22:11:57,371 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 145 transitions. Word has length 54 [2020-10-27 22:11:57,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:11:57,372 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 145 transitions. [2020-10-27 22:11:57,372 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 22:11:57,372 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 145 transitions. [2020-10-27 22:11:57,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-27 22:11:57,374 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:11:57,375 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:11:57,375 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 22:11:57,375 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 22:11:57,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:11:57,376 INFO L82 PathProgramCache]: Analyzing trace with hash -767664310, now seen corresponding path program 1 times [2020-10-27 22:11:57,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:11:57,376 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [960113692] [2020-10-27 22:11:57,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:11:57,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:57,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:57,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:58,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:58,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 22:11:58,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:11:58,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1382 [2020-10-27 22:11:58,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:58,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:11:58,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:11:58,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-27 22:11:58,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:59,230 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:11:59,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:11:59,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:59,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:59,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:59,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:59,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:59,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-27 22:11:59,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:59,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:11:59,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:59,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 22:11:59,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:59,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:11:59,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:59,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:59,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:59,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:11:59,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:59,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:59,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:59,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:11:59,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:59,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:11:59,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:59,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:11:59,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:59,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:59,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:59,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:11:59,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:59,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:11:59,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:59,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:11:59,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:59,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:11:59,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:59,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:11:59,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:59,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:59,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:59,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:59,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:59,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:11:59,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:59,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:11:59,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:59,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:11:59,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:59,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:11:59,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:59,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:59,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:59,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:11:59,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:59,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:59,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:59,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:11:59,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:59,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:11:59,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:11:59,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 22:11:59,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:59,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:59,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:59,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:59,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:59,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:59,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:59,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:59,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:11:59,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:59,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:59,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 22:11:59,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:59,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:59,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:59,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:59,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:59,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:11:59,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:59,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:59,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:11:59,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:59,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:59,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-27 22:11:59,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:59,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:59,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:59,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:59,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:59,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:59,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:59,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:59,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:11:59,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:59,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:11:59,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 22:11:59,439 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [960113692] [2020-10-27 22:11:59,439 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:11:59,439 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 22:11:59,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726880723] [2020-10-27 22:11:59,440 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 22:11:59,440 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:11:59,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 22:11:59,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 22:11:59,441 INFO L87 Difference]: Start difference. First operand 125 states and 145 transitions. Second operand 5 states. [2020-10-27 22:11:59,939 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:12:01,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:12:01,145 INFO L93 Difference]: Finished difference Result 252 states and 309 transitions. [2020-10-27 22:12:01,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 22:12:01,146 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2020-10-27 22:12:01,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:12:01,149 INFO L225 Difference]: With dead ends: 252 [2020-10-27 22:12:01,149 INFO L226 Difference]: Without dead ends: 151 [2020-10-27 22:12:01,155 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 22:12:01,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-10-27 22:12:01,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 125. [2020-10-27 22:12:01,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-10-27 22:12:01,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 144 transitions. [2020-10-27 22:12:01,232 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 144 transitions. Word has length 59 [2020-10-27 22:12:01,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:12:01,232 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 144 transitions. [2020-10-27 22:12:01,233 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 22:12:01,233 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 144 transitions. [2020-10-27 22:12:01,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-10-27 22:12:01,240 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:12:01,241 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:12:01,241 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 22:12:01,241 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 22:12:01,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:12:01,242 INFO L82 PathProgramCache]: Analyzing trace with hash 1593522174, now seen corresponding path program 1 times [2020-10-27 22:12:01,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:12:01,242 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [977585169] [2020-10-27 22:12:01,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:12:01,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:01,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:01,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:02,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:02,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:05,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:06,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:06,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-27 22:12:06,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:12:06,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-27 22:12:06,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:06,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:12:06,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-10-27 22:12:06,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-27 22:12:06,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:06,823 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:12:06,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:12:06,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:06,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:06,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:06,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:06,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:06,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-27 22:12:06,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:06,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:06,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:06,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:06,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:06,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:12:06,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:06,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:06,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:06,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:06,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:06,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:06,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:06,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:06,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:06,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:06,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:06,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:12:06,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:06,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:06,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:06,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:06,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:06,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:06,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:06,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:06,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:06,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:06,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:06,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:12:06,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:06,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:06,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:06,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:06,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:06,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:06,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:06,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:06,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:06,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:06,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:06,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:12:06,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:06,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:06,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:06,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:06,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:06,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:06,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:06,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:06,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:06,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:06,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:06,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 22:12:06,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:06,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:06,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:06,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:06,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-27 22:12:06,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:12:06,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 22:12:06,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:06,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:12:06,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 22:12:06,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:12:06,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:06,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:12:06,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:06,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:06,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:06,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 22:12:06,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:06,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 22:12:06,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:06,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:12:06,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 22:12:06,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 22:12:06,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:07,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:12:07,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:07,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:07,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:07,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:07,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:07,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:07,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:07,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:07,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:07,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:12:07,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:07,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 22:12:07,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:07,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:07,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:07,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:07,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:07,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:07,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:07,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:07,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:07,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:07,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:07,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-27 22:12:07,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:07,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:07,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:07,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:07,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:07,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:12:07,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:07,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:07,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:07,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:07,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:07,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-27 22:12:07,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:07,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:07,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:07,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:07,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:07,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:12:07,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:07,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:12:07,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:07,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:07,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:07,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 22:12:07,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [977585169] [2020-10-27 22:12:07,080 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:12:07,080 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 22:12:07,080 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533597210] [2020-10-27 22:12:07,081 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 22:12:07,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:12:07,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 22:12:07,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-10-27 22:12:07,082 INFO L87 Difference]: Start difference. First operand 125 states and 144 transitions. Second operand 10 states. [2020-10-27 22:12:07,867 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:12:09,653 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 205 [2020-10-27 22:12:10,452 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:12:11,267 WARN L193 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 207 [2020-10-27 22:12:12,198 WARN L193 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-10-27 22:12:12,621 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-27 22:12:13,436 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-10-27 22:12:14,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:12:14,734 INFO L93 Difference]: Finished difference Result 338 states and 423 transitions. [2020-10-27 22:12:14,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 22:12:14,742 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 72 [2020-10-27 22:12:14,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:12:14,745 INFO L225 Difference]: With dead ends: 338 [2020-10-27 22:12:14,745 INFO L226 Difference]: Without dead ends: 237 [2020-10-27 22:12:14,747 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380 [2020-10-27 22:12:14,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2020-10-27 22:12:14,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 196. [2020-10-27 22:12:14,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2020-10-27 22:12:14,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 220 transitions. [2020-10-27 22:12:14,813 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 220 transitions. Word has length 72 [2020-10-27 22:12:14,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:12:14,814 INFO L481 AbstractCegarLoop]: Abstraction has 196 states and 220 transitions. [2020-10-27 22:12:14,814 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 22:12:14,814 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 220 transitions. [2020-10-27 22:12:14,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-27 22:12:14,815 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:12:14,816 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:12:14,816 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 22:12:14,816 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:12:14,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:12:14,817 INFO L82 PathProgramCache]: Analyzing trace with hash 2124313263, now seen corresponding path program 1 times [2020-10-27 22:12:14,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:12:14,817 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [792473264] [2020-10-27 22:12:14,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:12:14,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:14,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:15,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:16,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:16,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-27 22:12:16,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:12:16,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1356 [2020-10-27 22:12:16,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:16,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:12:16,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-27 22:12:16,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-27 22:12:16,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:16,624 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:12:16,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:12:16,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:16,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:16,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:16,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:16,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:16,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 22:12:16,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:16,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:16,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:16,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:16,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:16,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:12:16,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:16,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:16,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:16,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:16,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:16,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:16,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:16,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:16,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:16,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:16,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:16,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:12:16,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:16,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:16,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:16,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:16,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:16,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:12:16,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:16,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:16,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:16,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:16,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:16,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:12:16,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:16,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:16,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:16,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:16,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:16,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:12:16,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:16,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:16,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:16,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:16,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:16,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:12:16,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:16,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:16,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:16,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:16,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:16,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:16,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:16,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:16,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:16,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:16,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:16,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 22:12:16,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:16,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:16,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:16,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-27 22:12:16,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:16,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 22:12:16,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:16,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:16,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:16,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 22:12:16,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:16,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:12:16,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:16,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:16,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:16,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 22:12:16,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:16,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:12:16,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:16,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:16,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:16,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 22:12:16,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:16,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:12:16,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:16,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:16,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:16,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:12:16,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:16,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:12:16,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:16,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:16,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:16,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:12:16,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:16,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:12:16,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:16,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:16,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:16,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:12:16,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:16,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:16,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:16,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:16,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:16,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 22:12:16,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:16,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:12:16,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:16,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:16,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:16,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:16,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:16,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:16,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:16,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:16,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:16,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:12:16,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:16,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-27 22:12:16,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:16,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:16,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:16,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:16,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:16,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:16,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:16,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:16,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:16,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:16,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:16,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-27 22:12:16,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:16,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:16,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:16,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:16,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:16,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:12:16,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:16,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:12:16,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:16,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:16,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:16,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 22:12:16,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:16,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:16,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:16,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:16,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:16,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:16,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:16,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:16,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:16,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:16,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:16,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 22:12:16,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [792473264] [2020-10-27 22:12:16,867 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:12:16,867 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 22:12:16,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102143778] [2020-10-27 22:12:16,868 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 22:12:16,868 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:12:16,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 22:12:16,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-27 22:12:16,869 INFO L87 Difference]: Start difference. First operand 196 states and 220 transitions. Second operand 9 states. [2020-10-27 22:12:17,485 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:12:19,670 WARN L193 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 206 [2020-10-27 22:12:20,170 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:12:20,574 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:12:21,006 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 22:12:21,545 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:12:22,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:12:22,964 INFO L93 Difference]: Finished difference Result 578 states and 730 transitions. [2020-10-27 22:12:22,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 22:12:22,965 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 86 [2020-10-27 22:12:22,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:12:22,971 INFO L225 Difference]: With dead ends: 578 [2020-10-27 22:12:22,971 INFO L226 Difference]: Without dead ends: 406 [2020-10-27 22:12:22,973 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-10-27 22:12:22,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2020-10-27 22:12:23,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 359. [2020-10-27 22:12:23,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2020-10-27 22:12:23,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 418 transitions. [2020-10-27 22:12:23,105 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 418 transitions. Word has length 86 [2020-10-27 22:12:23,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:12:23,105 INFO L481 AbstractCegarLoop]: Abstraction has 359 states and 418 transitions. [2020-10-27 22:12:23,106 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 22:12:23,106 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 418 transitions. [2020-10-27 22:12:23,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-27 22:12:23,108 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:12:23,108 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:12:23,108 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 22:12:23,108 INFO L429 AbstractCegarLoop]: === Iteration 6 === [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 22:12:23,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:12:23,109 INFO L82 PathProgramCache]: Analyzing trace with hash 524024200, now seen corresponding path program 1 times [2020-10-27 22:12:23,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:12:23,109 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [923700965] [2020-10-27 22:12:23,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:12:23,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:23,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:23,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:23,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-27 22:12:23,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:23,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 389 [2020-10-27 22:12:23,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:23,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:12:23,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-27 22:12:23,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:23,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:23,893 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:12:23,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:12:23,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:23,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:23,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:23,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:23,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:23,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-27 22:12:23,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:23,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:23,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:23,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:23,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:23,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:12:23,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:23,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:23,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:23,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:23,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:23,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:23,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:23,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:23,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:23,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:23,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:23,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:12:23,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:23,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:23,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:23,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:23,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:23,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:23,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:23,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:23,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:23,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:23,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:23,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:12:23,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:23,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:23,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:23,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:23,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:23,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:23,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:23,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:23,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:23,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:23,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:23,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:12:23,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:23,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:23,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:23,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:23,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:23,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:23,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:23,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:23,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:23,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:23,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:23,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 22:12:23,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:23,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:23,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:23,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:23,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:23,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:23,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:23,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:23,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:23,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:23,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:23,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 22:12:23,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:23,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:24,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:24,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-27 22:12:24,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:24,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 22:12:24,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:24,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:12:24,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 22:12:24,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:24,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:24,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:12:24,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:24,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:24,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:24,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 22:12:24,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:24,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 22:12:24,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:24,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:12:24,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 22:12:24,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:24,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:24,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:12:24,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:24,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:24,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:24,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:12:24,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:24,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 22:12:24,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:24,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:12:24,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 22:12:24,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:24,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:24,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:12:24,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:24,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:24,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:24,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:12:24,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:24,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:12:24,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:24,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:12:24,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:24,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:24,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:24,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:12:24,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:24,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:24,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:24,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:24,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:24,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:24,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:24,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:24,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 22:12:24,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:24,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:24,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-27 22:12:24,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:24,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:24,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:24,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:24,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:24,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:24,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:24,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:24,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:24,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:24,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:24,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 22:12:24,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:24,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:24,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:24,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:24,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:24,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:24,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:24,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:24,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:24,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:24,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:24,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-27 22:12:24,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:24,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:24,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:24,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:24,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:24,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:24,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:24,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:24,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:24,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:24,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:24,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 22:12:24,180 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [923700965] [2020-10-27 22:12:24,181 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:12:24,182 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 22:12:24,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169908399] [2020-10-27 22:12:24,182 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 22:12:24,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:12:24,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 22:12:24,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-27 22:12:24,184 INFO L87 Difference]: Start difference. First operand 359 states and 418 transitions. Second operand 8 states. [2020-10-27 22:12:25,364 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:12:25,752 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:12:26,135 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:12:27,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:12:27,528 INFO L93 Difference]: Finished difference Result 778 states and 966 transitions. [2020-10-27 22:12:27,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 22:12:27,529 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 90 [2020-10-27 22:12:27,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:12:27,538 INFO L225 Difference]: With dead ends: 778 [2020-10-27 22:12:27,538 INFO L226 Difference]: Without dead ends: 443 [2020-10-27 22:12:27,540 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-10-27 22:12:27,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2020-10-27 22:12:27,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 362. [2020-10-27 22:12:27,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 362 states. [2020-10-27 22:12:27,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 421 transitions. [2020-10-27 22:12:27,653 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 421 transitions. Word has length 90 [2020-10-27 22:12:27,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:12:27,654 INFO L481 AbstractCegarLoop]: Abstraction has 362 states and 421 transitions. [2020-10-27 22:12:27,654 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 22:12:27,654 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 421 transitions. [2020-10-27 22:12:27,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-27 22:12:27,656 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:12:27,656 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:12:27,656 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 22:12:27,656 INFO L429 AbstractCegarLoop]: === Iteration 7 === [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 22:12:27,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:12:27,657 INFO L82 PathProgramCache]: Analyzing trace with hash 129657414, now seen corresponding path program 1 times [2020-10-27 22:12:27,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:12:27,657 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1913316277] [2020-10-27 22:12:27,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:12:27,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:27,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:28,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:28,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-27 22:12:28,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:28,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 338 [2020-10-27 22:12:28,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:28,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:12:28,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-27 22:12:28,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:12:28,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:28,417 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:12:28,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:12:28,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:28,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:28,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:28,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:28,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:28,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 22:12:28,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:28,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:28,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:28,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:28,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:28,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:12:28,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:28,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:28,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:28,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:28,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:28,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:28,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:28,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:28,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:28,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:28,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:28,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:12:28,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:28,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:28,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:28,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:28,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:28,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:28,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:28,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:28,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:28,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:28,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:28,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:12:28,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:28,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:28,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:28,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:28,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:28,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:28,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:28,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:28,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:28,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:28,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:28,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:12:28,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:28,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:28,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:28,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:28,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:28,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:28,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:28,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:28,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:28,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:28,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:28,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 22:12:28,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:28,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:28,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:28,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:28,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:28,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:28,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:28,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:28,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:28,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:28,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:28,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 22:12:28,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:28,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:28,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:28,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-27 22:12:28,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:28,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 22:12:28,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:28,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:12:28,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 22:12:28,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:12:28,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:28,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:12:28,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:28,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:28,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:28,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 22:12:28,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:28,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 22:12:28,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:28,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:12:28,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 22:12:28,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:12:28,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:28,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:12:28,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:28,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:28,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:28,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:12:28,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:28,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:12:28,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:28,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:12:28,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:28,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 22:12:28,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:28,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:12:28,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:28,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:28,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:28,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:12:28,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:28,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:28,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:28,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:28,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:28,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:28,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:28,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:12:28,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:28,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:28,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:28,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:28,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:28,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:28,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:28,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:28,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 22:12:28,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:28,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:28,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-27 22:12:28,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:28,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:28,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:28,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:28,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:28,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:28,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:28,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:28,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:28,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:28,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:28,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 22:12:28,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:28,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:28,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:28,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:28,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:28,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:28,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:28,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:28,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:28,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:28,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:28,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-27 22:12:28,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:28,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:28,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:28,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:28,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:28,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:28,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:28,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:28,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:28,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:28,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:28,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 22:12:28,684 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1913316277] [2020-10-27 22:12:28,684 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:12:28,684 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 22:12:28,685 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329399087] [2020-10-27 22:12:28,685 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 22:12:28,685 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:12:28,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 22:12:28,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-27 22:12:28,686 INFO L87 Difference]: Start difference. First operand 362 states and 421 transitions. Second operand 9 states. [2020-10-27 22:12:29,984 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:12:30,392 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 22:12:30,828 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:12:31,228 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:12:32,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:12:32,671 INFO L93 Difference]: Finished difference Result 768 states and 957 transitions. [2020-10-27 22:12:32,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 22:12:32,672 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 90 [2020-10-27 22:12:32,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:12:32,676 INFO L225 Difference]: With dead ends: 768 [2020-10-27 22:12:32,676 INFO L226 Difference]: Without dead ends: 430 [2020-10-27 22:12:32,678 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2020-10-27 22:12:32,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2020-10-27 22:12:32,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 357. [2020-10-27 22:12:32,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2020-10-27 22:12:32,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 415 transitions. [2020-10-27 22:12:32,794 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 415 transitions. Word has length 90 [2020-10-27 22:12:32,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:12:32,794 INFO L481 AbstractCegarLoop]: Abstraction has 357 states and 415 transitions. [2020-10-27 22:12:32,794 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 22:12:32,794 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 415 transitions. [2020-10-27 22:12:32,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-27 22:12:32,797 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:12:32,798 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:12:32,798 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 22:12:32,798 INFO L429 AbstractCegarLoop]: === Iteration 8 === [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 22:12:32,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:12:32,799 INFO L82 PathProgramCache]: Analyzing trace with hash 1458150270, now seen corresponding path program 1 times [2020-10-27 22:12:32,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:12:32,799 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1627584558] [2020-10-27 22:12:32,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:12:32,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:32,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:33,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:33,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:33,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:37,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:37,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-10-27 22:12:37,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 22:12:37,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-27 22:12:37,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:37,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:12:37,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-10-27 22:12:37,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 22:12:37,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:38,252 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:12:38,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:12:38,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:38,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:38,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:38,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:38,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:38,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 22:12:38,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:38,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:38,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:38,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:38,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:38,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:12:38,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:38,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:38,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:38,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:38,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:38,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:38,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:38,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:38,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:38,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:38,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:38,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:12:38,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:38,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:38,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:38,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:38,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:38,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:38,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:38,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:38,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:38,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:38,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:38,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:12:38,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:38,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:38,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:38,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:38,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:38,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:38,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:38,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:38,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:38,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:38,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:38,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:12:38,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:38,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:38,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:38,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:38,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:38,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:38,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:38,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:38,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:38,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:38,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:38,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 22:12:38,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:38,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:38,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:38,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:38,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:38,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:38,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:38,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:38,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:38,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:38,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:38,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:12:38,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:38,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:38,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:38,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-27 22:12:38,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:38,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:12:38,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:38,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:38,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:38,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:38,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:12:38,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:12:38,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:38,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:38,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:38,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 22:12:38,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:38,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 22:12:38,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:38,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:38,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:38,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:38,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:12:38,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:12:38,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:38,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:38,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:38,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:12:38,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:38,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:12:38,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:38,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:38,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:38,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:38,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:38,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:12:38,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:38,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:38,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:38,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:12:38,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:38,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:12:38,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:38,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:38,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:38,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:38,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:12:38,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:12:38,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:38,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:38,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:38,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:12:38,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:38,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:38,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:38,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:38,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:38,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:38,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:12:38,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:12:38,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:38,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:38,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:38,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:38,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:38,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:38,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:38,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:38,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:38,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:38,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:12:38,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 22:12:38,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:38,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:38,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:38,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 22:12:38,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:38,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:38,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:38,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:38,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:38,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:38,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:38,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:12:38,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:38,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:38,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:38,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:38,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:38,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:38,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:38,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:38,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:38,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:38,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:12:38,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 22:12:38,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:38,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:38,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:38,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:38,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:38,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:38,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:38,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:38,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:38,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:38,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:12:38,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-27 22:12:38,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:38,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:38,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:38,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 22:12:38,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:38,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 22:12:38,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:38,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:12:38,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:38,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 22:12:38,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:12:38,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:12:38,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:38,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:38,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:38,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 22:12:38,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:38,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 22:12:38,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:38,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:12:38,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:38,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 22:12:38,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:12:38,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:12:38,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:38,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:38,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:38,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:38,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:38,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 22:12:38,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:38,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:12:38,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:38,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:12:38,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:12:38,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 22:12:38,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:38,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:38,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:38,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:38,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:38,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:38,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:38,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:38,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:38,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:38,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:12:38,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-27 22:12:38,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:38,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:38,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:38,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:38,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:38,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:12:38,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:38,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:12:38,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:38,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:38,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:12:38,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-27 22:12:38,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:38,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:38,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:38,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:38,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:38,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:38,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:38,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:38,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:38,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:38,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:12:38,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-27 22:12:38,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:38,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:38,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:38,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:38,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:38,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 22:12:38,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:38,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:38,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:38,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:38,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:12:38,956 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-27 22:12:38,956 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1627584558] [2020-10-27 22:12:38,957 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:12:38,957 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-27 22:12:38,960 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979096561] [2020-10-27 22:12:38,962 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 22:12:38,963 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:12:38,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 22:12:38,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2020-10-27 22:12:38,965 INFO L87 Difference]: Start difference. First operand 357 states and 415 transitions. Second operand 15 states. [2020-10-27 22:12:40,545 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:12:42,236 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:12:42,768 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:12:43,186 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 22:12:43,663 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:12:44,141 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-27 22:12:45,930 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:12:46,349 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:12:46,787 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 22:12:47,210 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-27 22:12:48,007 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:12:48,441 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:12:48,901 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 22:12:49,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:12:49,589 INFO L93 Difference]: Finished difference Result 1068 states and 1402 transitions. [2020-10-27 22:12:49,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-27 22:12:49,593 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 139 [2020-10-27 22:12:49,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:12:49,594 INFO L225 Difference]: With dead ends: 1068 [2020-10-27 22:12:49,594 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 22:12:49,598 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=206, Invalid=786, Unknown=0, NotChecked=0, Total=992 [2020-10-27 22:12:49,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 22:12:49,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 22:12:49,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 22:12:49,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 22:12:49,600 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 139 [2020-10-27 22:12:49,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:12:49,600 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 22:12:49,600 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 22:12:49,600 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 22:12:49,600 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 22:12:49,600 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 22:12:49,603 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 22:12:51,581 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 254 [2020-10-27 22:12:56,017 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 254 [2020-10-27 22:12:57,142 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 251 [2020-10-27 22:12:57,444 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 251 [2020-10-27 22:12:57,754 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 254 [2020-10-27 22:12:58,069 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-27 22:12:58,923 WARN L193 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 8 [2020-10-27 22:12:59,276 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-10-27 22:12:59,587 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-27 22:12:59,897 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-27 22:13:00,827 WARN L193 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 13 [2020-10-27 22:13:01,788 WARN L193 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 17 [2020-10-27 22:13:02,093 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-10-27 22:13:02,366 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-10-27 22:13:03,328 WARN L193 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2020-10-27 22:13:03,557 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 1 [2020-10-27 22:13:04,148 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 12 [2020-10-27 22:13:04,783 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 20 [2020-10-27 22:13:05,590 WARN L193 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 7 [2020-10-27 22:13:07,103 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 157 DAG size of output: 17 [2020-10-27 22:13:07,467 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:13:07,800 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 8 [2020-10-27 22:13:08,068 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-10-27 22:13:08,882 WARN L193 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 12 [2020-10-27 22:13:09,046 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 1 [2020-10-27 22:13:09,841 WARN L193 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 8 [2020-10-27 22:13:10,076 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 1 [2020-10-27 22:13:10,378 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-27 22:13:11,361 WARN L193 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 23 [2020-10-27 22:13:11,976 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 11 [2020-10-27 22:13:12,188 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 13 [2020-10-27 22:13:12,497 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-27 22:13:13,867 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 163 DAG size of output: 18 [2020-10-27 22:13:14,229 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-10-27 22:13:15,010 WARN L193 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 8 [2020-10-27 22:13:15,976 WARN L193 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 11 [2020-10-27 22:13:16,340 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-10-27 22:13:16,902 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 16 [2020-10-27 22:13:17,811 WARN L193 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2020-10-27 22:13:18,113 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-27 22:13:19,006 WARN L193 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 13 [2020-10-27 22:13:19,880 WARN L193 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 15 [2020-10-27 22:13:20,923 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 174 DAG size of output: 31 [2020-10-27 22:13:21,230 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-27 22:13:21,536 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-10-27 22:13:21,842 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-27 22:13:22,079 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 1 [2020-10-27 22:13:22,699 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 12 [2020-10-27 22:13:23,603 WARN L193 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 31 [2020-10-27 22:13:24,463 WARN L193 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 12 [2020-10-27 22:13:25,365 WARN L193 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 31 [2020-10-27 22:13:26,231 WARN L193 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2020-10-27 22:13:26,236 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-27 22:13:26,236 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-27 22:13:26,236 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-27 22:13:26,236 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-27 22:13:26,237 INFO L274 CegarLoopResult]: For program point L446(lines 423 447) no Hoare annotation was computed. [2020-10-27 22:13:26,237 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 399 454) no Hoare annotation was computed. [2020-10-27 22:13:26,237 INFO L274 CegarLoopResult]: For program point L430(lines 430 434) no Hoare annotation was computed. [2020-10-27 22:13:26,237 INFO L274 CegarLoopResult]: For program point L430-1(lines 430 434) no Hoare annotation was computed. [2020-10-27 22:13:26,237 INFO L274 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-10-27 22:13:26,237 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 399 454) no Hoare annotation was computed. [2020-10-27 22:13:26,238 INFO L274 CegarLoopResult]: For program point L424-2(lines 424 445) no Hoare annotation was computed. [2020-10-27 22:13:26,238 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 399 454) no Hoare annotation was computed. [2020-10-27 22:13:26,238 INFO L274 CegarLoopResult]: For program point L481-2(lines 481 506) no Hoare annotation was computed. [2020-10-27 22:13:26,238 INFO L274 CegarLoopResult]: For program point L507(lines 480 508) no Hoare annotation was computed. [2020-10-27 22:13:26,238 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 455 514) no Hoare annotation was computed. [2020-10-27 22:13:26,238 INFO L274 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-10-27 22:13:26,239 INFO L274 CegarLoopResult]: For program point L500-1(line 500) no Hoare annotation was computed. [2020-10-27 22:13:26,239 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 455 514) no Hoare annotation was computed. [2020-10-27 22:13:26,239 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 455 514) no Hoare annotation was computed. [2020-10-27 22:13:26,239 INFO L274 CegarLoopResult]: For program point L487(lines 487 491) no Hoare annotation was computed. [2020-10-27 22:13:26,239 INFO L274 CegarLoopResult]: For program point L487-1(lines 487 491) no Hoare annotation was computed. [2020-10-27 22:13:26,239 INFO L274 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-10-27 22:13:26,239 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 63 69) the Hoare annotation is: true [2020-10-27 22:13:26,239 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 63 69) no Hoare annotation was computed. [2020-10-27 22:13:26,240 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 70 78) no Hoare annotation was computed. [2020-10-27 22:13:26,240 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 70 78) the Hoare annotation is: true [2020-10-27 22:13:26,240 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 70 78) no Hoare annotation was computed. [2020-10-27 22:13:26,240 INFO L270 CegarLoopResult]: At program point L801(line 801) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 22:13:26,240 INFO L270 CegarLoopResult]: At program point L800(line 800) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 22:13:26,240 INFO L270 CegarLoopResult]: At program point L800-1(line 800) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 22:13:26,241 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 794 816) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 22:13:26,241 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 794 816) no Hoare annotation was computed. [2020-10-27 22:13:26,241 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 794 816) no Hoare annotation was computed. [2020-10-27 22:13:26,241 INFO L270 CegarLoopResult]: At program point L806(line 806) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 22:13:26,241 INFO L270 CegarLoopResult]: At program point L806-1(line 806) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 22:13:26,241 INFO L274 CegarLoopResult]: For program point L804(lines 804 811) no Hoare annotation was computed. [2020-10-27 22:13:26,241 INFO L274 CegarLoopResult]: For program point L804-1(lines 804 811) no Hoare annotation was computed. [2020-10-27 22:13:26,241 INFO L274 CegarLoopResult]: For program point L802(line 802) no Hoare annotation was computed. [2020-10-27 22:13:26,242 INFO L274 CegarLoopResult]: For program point L769(line 769) no Hoare annotation was computed. [2020-10-27 22:13:26,242 INFO L274 CegarLoopResult]: For program point L768(line 768) no Hoare annotation was computed. [2020-10-27 22:13:26,242 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 753 776) no Hoare annotation was computed. [2020-10-27 22:13:26,242 INFO L274 CegarLoopResult]: For program point L767(line 767) no Hoare annotation was computed. [2020-10-27 22:13:26,242 INFO L274 CegarLoopResult]: For program point L766(line 766) no Hoare annotation was computed. [2020-10-27 22:13:26,242 INFO L274 CegarLoopResult]: For program point L765(line 765) no Hoare annotation was computed. [2020-10-27 22:13:26,242 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 753 776) no Hoare annotation was computed. [2020-10-27 22:13:26,242 INFO L274 CegarLoopResult]: For program point L764(line 764) no Hoare annotation was computed. [2020-10-27 22:13:26,242 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 753 776) no Hoare annotation was computed. [2020-10-27 22:13:26,242 INFO L274 CegarLoopResult]: For program point L763(line 763) no Hoare annotation was computed. [2020-10-27 22:13:26,242 INFO L274 CegarLoopResult]: For program point L762(line 762) no Hoare annotation was computed. [2020-10-27 22:13:26,242 INFO L274 CegarLoopResult]: For program point L761(line 761) no Hoare annotation was computed. [2020-10-27 22:13:26,243 INFO L274 CegarLoopResult]: For program point L760(line 760) no Hoare annotation was computed. [2020-10-27 22:13:26,243 INFO L274 CegarLoopResult]: For program point L759(line 759) no Hoare annotation was computed. [2020-10-27 22:13:26,243 INFO L274 CegarLoopResult]: For program point L758(line 758) no Hoare annotation was computed. [2020-10-27 22:13:26,243 INFO L274 CegarLoopResult]: For program point L771(line 771) no Hoare annotation was computed. [2020-10-27 22:13:26,243 INFO L274 CegarLoopResult]: For program point L770(line 770) no Hoare annotation was computed. [2020-10-27 22:13:26,243 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 274 282) no Hoare annotation was computed. [2020-10-27 22:13:26,243 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 274 282) the Hoare annotation is: true [2020-10-27 22:13:26,243 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 274 282) no Hoare annotation was computed. [2020-10-27 22:13:26,243 INFO L274 CegarLoopResult]: For program point L290-2(lines 290 298) no Hoare annotation was computed. [2020-10-27 22:13:26,243 INFO L274 CegarLoopResult]: For program point L313(line 313) no Hoare annotation was computed. [2020-10-27 22:13:26,244 INFO L274 CegarLoopResult]: For program point L313-1(line 313) no Hoare annotation was computed. [2020-10-27 22:13:26,245 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 283 318) no Hoare annotation was computed. [2020-10-27 22:13:26,246 INFO L274 CegarLoopResult]: For program point L302(lines 302 310) no Hoare annotation was computed. [2020-10-27 22:13:26,246 INFO L274 CegarLoopResult]: For program point L302-2(lines 302 310) no Hoare annotation was computed. [2020-10-27 22:13:26,246 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 283 318) no Hoare annotation was computed. [2020-10-27 22:13:26,246 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 283 318) no Hoare annotation was computed. [2020-10-27 22:13:26,246 INFO L274 CegarLoopResult]: For program point L290(lines 290 298) no Hoare annotation was computed. [2020-10-27 22:13:26,246 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 56 62) no Hoare annotation was computed. [2020-10-27 22:13:26,246 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 56 62) the Hoare annotation is: true [2020-10-27 22:13:26,246 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 353 398) no Hoare annotation was computed. [2020-10-27 22:13:26,246 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 353 398) no Hoare annotation was computed. [2020-10-27 22:13:26,246 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 353 398) no Hoare annotation was computed. [2020-10-27 22:13:26,246 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 666 711) no Hoare annotation was computed. [2020-10-27 22:13:26,246 INFO L274 CegarLoopResult]: For program point L697(lines 697 698) no Hoare annotation was computed. [2020-10-27 22:13:26,247 INFO L274 CegarLoopResult]: For program point L690(lines 690 691) no Hoare annotation was computed. [2020-10-27 22:13:26,247 INFO L274 CegarLoopResult]: For program point L686(lines 686 693) no Hoare annotation was computed. [2020-10-27 22:13:26,247 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 690 691) no Hoare annotation was computed. [2020-10-27 22:13:26,247 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 697 698) no Hoare annotation was computed. [2020-10-27 22:13:26,247 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 666 711) no Hoare annotation was computed. [2020-10-27 22:13:26,247 INFO L274 CegarLoopResult]: For program point L680(lines 680 700) no Hoare annotation was computed. [2020-10-27 22:13:26,247 INFO L274 CegarLoopResult]: For program point L680-1(lines 680 700) no Hoare annotation was computed. [2020-10-27 22:13:26,247 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 666 711) no Hoare annotation was computed. [2020-10-27 22:13:26,247 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 784 793) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 22:13:26,247 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 784 793) no Hoare annotation was computed. [2020-10-27 22:13:26,248 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 784 793) no Hoare annotation was computed. [2020-10-27 22:13:26,248 INFO L277 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 263 273) the Hoare annotation is: true [2020-10-27 22:13:26,248 INFO L277 CegarLoopResult]: At program point L268(line 268) the Hoare annotation is: true [2020-10-27 22:13:26,248 INFO L274 CegarLoopResult]: For program point L268-1(line 268) no Hoare annotation was computed. [2020-10-27 22:13:26,248 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 263 273) no Hoare annotation was computed. [2020-10-27 22:13:26,249 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 263 273) no Hoare annotation was computed. [2020-10-27 22:13:26,249 INFO L270 CegarLoopResult]: At program point deactivatePumpENTRY(lines 255 262) the Hoare annotation is: (or (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (= |old(~pumpRunning~0)| 0)) [2020-10-27 22:13:26,249 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 255 262) no Hoare annotation was computed. [2020-10-27 22:13:26,249 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 255 262) no Hoare annotation was computed. [2020-10-27 22:13:26,249 INFO L274 CegarLoopResult]: For program point L902(lines 902 908) no Hoare annotation was computed. [2020-10-27 22:13:26,249 INFO L274 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 898 911) no Hoare annotation was computed. [2020-10-27 22:13:26,249 INFO L277 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 898 911) the Hoare annotation is: true [2020-10-27 22:13:26,249 INFO L274 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 898 911) no Hoare annotation was computed. [2020-10-27 22:13:26,249 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 222 246) no Hoare annotation was computed. [2020-10-27 22:13:26,250 INFO L270 CegarLoopResult]: At program point processEnvironmentENTRY(lines 222 246) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2020-10-27 22:13:26,250 INFO L270 CegarLoopResult]: At program point L241(line 241) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (= |old(~pumpRunning~0)| 0)) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0))) [2020-10-27 22:13:26,250 INFO L274 CegarLoopResult]: For program point L241-1(lines 222 246) no Hoare annotation was computed. [2020-10-27 22:13:26,250 INFO L270 CegarLoopResult]: At program point L236(line 236) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (not (= ~methaneLevelCritical~0 0)) (and (<= processEnvironment_~tmp~2 0) (< 0 (+ processEnvironment_~tmp~2 1))))) .cse0) (or .cse0 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-27 22:13:26,250 INFO L270 CegarLoopResult]: At program point L232(line 232) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 0))) (or (and (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse0))) [2020-10-27 22:13:26,250 INFO L274 CegarLoopResult]: For program point L230(lines 230 238) no Hoare annotation was computed. [2020-10-27 22:13:26,250 INFO L270 CegarLoopResult]: At program point L228(line 228) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (or .cse0 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-27 22:13:26,250 INFO L274 CegarLoopResult]: For program point L228-1(line 228) no Hoare annotation was computed. [2020-10-27 22:13:26,250 INFO L274 CegarLoopResult]: For program point L226(lines 226 243) no Hoare annotation was computed. [2020-10-27 22:13:26,251 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 188 194) no Hoare annotation was computed. [2020-10-27 22:13:26,251 INFO L277 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 188 194) the Hoare annotation is: true [2020-10-27 22:13:26,251 INFO L274 CegarLoopResult]: For program point L97(lines 97 101) no Hoare annotation was computed. [2020-10-27 22:13:26,251 INFO L270 CegarLoopResult]: At program point testENTRY(lines 85 150) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 22:13:26,251 INFO L274 CegarLoopResult]: For program point testFINAL(lines 85 150) no Hoare annotation was computed. [2020-10-27 22:13:26,251 INFO L270 CegarLoopResult]: At program point L143(lines 94 144) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-27 22:13:26,251 INFO L274 CegarLoopResult]: For program point L133(lines 133 137) no Hoare annotation was computed. [2020-10-27 22:13:26,251 INFO L270 CegarLoopResult]: At program point L133-2(lines 125 138) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0)) (not (<= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-27 22:13:26,251 INFO L274 CegarLoopResult]: For program point L96(lines 95 142) no Hoare annotation was computed. [2020-10-27 22:13:26,252 INFO L270 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0)) (not (<= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-27 22:13:26,252 INFO L274 CegarLoopResult]: For program point L125(lines 125 138) no Hoare annotation was computed. [2020-10-27 22:13:26,252 INFO L270 CegarLoopResult]: At program point L117(line 117) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0)) (not (<= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-27 22:13:26,252 INFO L274 CegarLoopResult]: For program point L115(lines 115 121) no Hoare annotation was computed. [2020-10-27 22:13:26,252 INFO L274 CegarLoopResult]: For program point L115-1(lines 115 121) no Hoare annotation was computed. [2020-10-27 22:13:26,252 INFO L270 CegarLoopResult]: At program point L140(lines 95 142) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (and .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1 .cse2) (and (or (<= (+ ~pumpRunning~0 1) 0) (< 0 ~pumpRunning~0)) .cse0 .cse1))) [2020-10-27 22:13:26,252 INFO L270 CegarLoopResult]: At program point L107(line 107) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (and .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1 .cse2) (and (or (<= (+ ~pumpRunning~0 1) 0) (< 0 ~pumpRunning~0)) .cse0 .cse1))) [2020-10-27 22:13:26,252 INFO L274 CegarLoopResult]: For program point L105(lines 105 111) no Hoare annotation was computed. [2020-10-27 22:13:26,253 INFO L274 CegarLoopResult]: For program point L105-1(lines 105 111) no Hoare annotation was computed. [2020-10-27 22:13:26,253 INFO L274 CegarLoopResult]: For program point testEXIT(lines 85 150) no Hoare annotation was computed. [2020-10-27 22:13:26,253 INFO L274 CegarLoopResult]: For program point L640(lines 640 647) no Hoare annotation was computed. [2020-10-27 22:13:26,253 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 644 645) no Hoare annotation was computed. [2020-10-27 22:13:26,253 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 651 652) no Hoare annotation was computed. [2020-10-27 22:13:26,253 INFO L274 CegarLoopResult]: For program point L634(lines 634 654) no Hoare annotation was computed. [2020-10-27 22:13:26,253 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 620 665) no Hoare annotation was computed. [2020-10-27 22:13:26,253 INFO L274 CegarLoopResult]: For program point L634-1(lines 634 654) no Hoare annotation was computed. [2020-10-27 22:13:26,253 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 620 665) no Hoare annotation was computed. [2020-10-27 22:13:26,254 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 620 665) no Hoare annotation was computed. [2020-10-27 22:13:26,257 INFO L274 CegarLoopResult]: For program point L651(lines 651 652) no Hoare annotation was computed. [2020-10-27 22:13:26,257 INFO L274 CegarLoopResult]: For program point L644(lines 644 645) no Hoare annotation was computed. [2020-10-27 22:13:26,257 INFO L274 CegarLoopResult]: For program point L874(lines 874 882) no Hoare annotation was computed. [2020-10-27 22:13:26,257 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 866 888) no Hoare annotation was computed. [2020-10-27 22:13:26,257 INFO L274 CegarLoopResult]: For program point L874-2(lines 874 882) no Hoare annotation was computed. [2020-10-27 22:13:26,257 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 866 888) no Hoare annotation was computed. [2020-10-27 22:13:26,259 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 866 888) no Hoare annotation was computed. [2020-10-27 22:13:26,259 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 46 55) no Hoare annotation was computed. [2020-10-27 22:13:26,259 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 46 55) no Hoare annotation was computed. [2020-10-27 22:13:26,260 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 46 55) no Hoare annotation was computed. [2020-10-27 22:13:26,260 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 517 619) no Hoare annotation was computed. [2020-10-27 22:13:26,260 INFO L274 CegarLoopResult]: For program point L541(lines 541 545) no Hoare annotation was computed. [2020-10-27 22:13:26,260 INFO L274 CegarLoopResult]: For program point L605(lines 605 616) no Hoare annotation was computed. [2020-10-27 22:13:26,260 INFO L274 CegarLoopResult]: For program point L568(lines 568 572) no Hoare annotation was computed. [2020-10-27 22:13:26,260 INFO L274 CegarLoopResult]: For program point L566-2(lines 566 586) no Hoare annotation was computed. [2020-10-27 22:13:26,260 INFO L274 CegarLoopResult]: For program point L587(lines 565 588) no Hoare annotation was computed. [2020-10-27 22:13:26,260 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 517 619) no Hoare annotation was computed. [2020-10-27 22:13:26,261 INFO L274 CegarLoopResult]: For program point L546(lines 546 562) no Hoare annotation was computed. [2020-10-27 22:13:26,261 INFO L274 CegarLoopResult]: For program point L606(lines 606 613) no Hoare annotation was computed. [2020-10-27 22:13:26,261 INFO L274 CegarLoopResult]: For program point L567(lines 566 586) no Hoare annotation was computed. [2020-10-27 22:13:26,261 INFO L274 CegarLoopResult]: For program point L598(line 598) no Hoare annotation was computed. [2020-10-27 22:13:26,261 INFO L274 CegarLoopResult]: For program point L598-1(line 598) no Hoare annotation was computed. [2020-10-27 22:13:26,261 INFO L274 CegarLoopResult]: For program point L563(lines 563 604) no Hoare annotation was computed. [2020-10-27 22:13:26,261 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 517 619) no Hoare annotation was computed. [2020-10-27 22:13:26,261 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-27 22:13:26,261 INFO L274 CegarLoopResult]: For program point L582-1(line 582) no Hoare annotation was computed. [2020-10-27 22:13:26,261 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 22:13:26,261 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string75.offset| |old(#t~string75.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string77.offset| |old(#t~string77.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string75.base| |old(#t~string75.base)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string77.base| |old(#t~string77.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-27 22:13:26,261 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 22:13:26,262 INFO L274 CegarLoopResult]: For program point activatePumpFINAL(lines 247 254) no Hoare annotation was computed. [2020-10-27 22:13:26,262 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 247 254) no Hoare annotation was computed. [2020-10-27 22:13:26,262 INFO L270 CegarLoopResult]: At program point activatePumpENTRY(lines 247 254) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-27 22:13:26,262 INFO L274 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 319 337) no Hoare annotation was computed. [2020-10-27 22:13:26,262 INFO L274 CegarLoopResult]: For program point L328(lines 328 332) no Hoare annotation was computed. [2020-10-27 22:13:26,262 INFO L277 CegarLoopResult]: At program point L326(line 326) the Hoare annotation is: true [2020-10-27 22:13:26,262 INFO L274 CegarLoopResult]: For program point L328-2(lines 328 332) no Hoare annotation was computed. [2020-10-27 22:13:26,262 INFO L277 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 319 337) the Hoare annotation is: true [2020-10-27 22:13:26,262 INFO L274 CegarLoopResult]: For program point L326-1(line 326) no Hoare annotation was computed. [2020-10-27 22:13:26,262 INFO L274 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 319 337) no Hoare annotation was computed. [2020-10-27 22:13:26,262 INFO L277 CegarLoopResult]: At program point getWaterLevelENTRY(lines 889 897) the Hoare annotation is: true [2020-10-27 22:13:26,262 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 889 897) no Hoare annotation was computed. [2020-10-27 22:13:26,262 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 889 897) no Hoare annotation was computed. [2020-10-27 22:13:26,262 INFO L274 CegarLoopResult]: For program point L849-1(lines 845 856) no Hoare annotation was computed. [2020-10-27 22:13:26,263 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 845 856) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-27 22:13:26,263 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 845 856) no Hoare annotation was computed. [2020-10-27 22:13:26,263 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-27 22:13:26,263 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-27 22:13:26,263 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-27 22:13:26,263 INFO L270 CegarLoopResult]: At program point L177(line 177) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (or (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 (not (= |old(~pumpRunning~0)| 0))) (or (<= ~waterLevel~0 1) (not (<= |old(~waterLevel~0)| 1)) .cse0))) [2020-10-27 22:13:26,263 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 164 187) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-10-27 22:13:26,263 INFO L270 CegarLoopResult]: At program point L175(lines 175 181) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| 0)) (.cse1 (<= ~waterLevel~0 1)) (.cse2 (not (= 1 ~systemActive~0)))) (and (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse0 (or (<= (+ ~pumpRunning~0 1) 0) (< 0 ~pumpRunning~0))) (and .cse1 .cse0) .cse2 (not .cse3))) (or (and (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 .cse3) (or .cse1 (not (<= |old(~waterLevel~0)| 1)) .cse2))) [2020-10-27 22:13:26,263 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 164 187) no Hoare annotation was computed. [2020-10-27 22:13:26,263 INFO L270 CegarLoopResult]: At program point L170(line 170) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse0) (or .cse0 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-27 22:13:26,264 INFO L274 CegarLoopResult]: For program point L168(lines 167 186) no Hoare annotation was computed. [2020-10-27 22:13:26,264 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 164 187) no Hoare annotation was computed. [2020-10-27 22:13:26,264 INFO L274 CegarLoopResult]: For program point L737(lines 737 741) no Hoare annotation was computed. [2020-10-27 22:13:26,264 INFO L277 CegarLoopResult]: At program point L737-1(lines 737 741) the Hoare annotation is: true [2020-10-27 22:13:26,264 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 723 752) no Hoare annotation was computed. [2020-10-27 22:13:26,264 INFO L274 CegarLoopResult]: For program point L734(line 734) no Hoare annotation was computed. [2020-10-27 22:13:26,264 INFO L277 CegarLoopResult]: At program point cleanupENTRY(lines 723 752) the Hoare annotation is: true [2020-10-27 22:13:26,264 INFO L277 CegarLoopResult]: At program point L733-2(lines 733 747) the Hoare annotation is: true [2020-10-27 22:13:26,264 INFO L277 CegarLoopResult]: At program point L729(line 729) the Hoare annotation is: true [2020-10-27 22:13:26,264 INFO L274 CegarLoopResult]: For program point L729-1(line 729) no Hoare annotation was computed. [2020-10-27 22:13:26,264 INFO L277 CegarLoopResult]: At program point L748(lines 723 752) the Hoare annotation is: true [2020-10-27 22:13:26,264 INFO L274 CegarLoopResult]: For program point L744(line 744) no Hoare annotation was computed. [2020-10-27 22:13:26,264 INFO L277 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 857 865) the Hoare annotation is: true [2020-10-27 22:13:26,265 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 857 865) no Hoare annotation was computed. [2020-10-27 22:13:26,265 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 857 865) no Hoare annotation was computed. [2020-10-27 22:13:26,265 INFO L274 CegarLoopResult]: For program point L930-1(line 930) no Hoare annotation was computed. [2020-10-27 22:13:26,265 INFO L274 CegarLoopResult]: For program point L928(lines 928 941) no Hoare annotation was computed. [2020-10-27 22:13:26,265 INFO L274 CegarLoopResult]: For program point L928-1(lines 913 945) no Hoare annotation was computed. [2020-10-27 22:13:26,265 INFO L270 CegarLoopResult]: At program point L926(line 926) the Hoare annotation is: (or (= ~methaneLevelCritical~0 0) (not (= 1 ~systemActive~0))) [2020-10-27 22:13:26,265 INFO L274 CegarLoopResult]: For program point L926-1(line 926) no Hoare annotation was computed. [2020-10-27 22:13:26,265 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification3_spec__1EXIT(lines 913 945) no Hoare annotation was computed. [2020-10-27 22:13:26,265 INFO L274 CegarLoopResult]: For program point L922(lines 922 942) no Hoare annotation was computed. [2020-10-27 22:13:26,265 INFO L277 CegarLoopResult]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 913 945) the Hoare annotation is: true [2020-10-27 22:13:26,265 INFO L277 CegarLoopResult]: At program point L920(line 920) the Hoare annotation is: true [2020-10-27 22:13:26,265 INFO L274 CegarLoopResult]: For program point L920-1(line 920) no Hoare annotation was computed. [2020-10-27 22:13:26,266 INFO L270 CegarLoopResult]: At program point L936(line 936) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 0)) (or (= ~methaneLevelCritical~0 0) .cse0) (or .cse0 (not (<= ~waterLevel~0 1))))) [2020-10-27 22:13:26,266 INFO L274 CegarLoopResult]: For program point L932(lines 932 938) no Hoare annotation was computed. [2020-10-27 22:13:26,266 INFO L270 CegarLoopResult]: At program point L930(line 930) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~methaneLevelCritical~0 0) .cse0) (or .cse0 (not (<= ~waterLevel~0 1))))) [2020-10-27 22:13:26,266 INFO L270 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 821 832) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 1 ~systemActive~0)) (= ~pumpRunning~0 0)) [2020-10-27 22:13:26,266 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 821 832) no Hoare annotation was computed. [2020-10-27 22:13:26,266 INFO L274 CegarLoopResult]: For program point L825-1(lines 821 832) no Hoare annotation was computed. [2020-10-27 22:13:26,266 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 777 783) no Hoare annotation was computed. [2020-10-27 22:13:26,266 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 777 783) the Hoare annotation is: true [2020-10-27 22:13:26,266 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 22:13:26,266 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-27 22:13:26,266 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 22:13:26,266 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 22:13:26,266 INFO L274 CegarLoopResult]: For program point startSystemEXIT(lines 338 345) no Hoare annotation was computed. [2020-10-27 22:13:26,267 INFO L270 CegarLoopResult]: At program point startSystemENTRY(lines 338 345) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (= |old(~systemActive~0)| ~systemActive~0)) [2020-10-27 22:13:26,267 INFO L274 CegarLoopResult]: For program point startSystemFINAL(lines 338 345) no Hoare annotation was computed. [2020-10-27 22:13:26,267 INFO L270 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 196 220) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2020-10-27 22:13:26,267 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 196 220) no Hoare annotation was computed. [2020-10-27 22:13:26,267 INFO L270 CegarLoopResult]: At program point L215(line 215) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (or .cse0 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-27 22:13:26,267 INFO L274 CegarLoopResult]: For program point L215-1(lines 196 220) no Hoare annotation was computed. [2020-10-27 22:13:26,267 INFO L270 CegarLoopResult]: At program point L210(line 210) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (and (<= ~waterLevel~0 1) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or .cse0 (= |old(~pumpRunning~0)| 0)))) [2020-10-27 22:13:26,267 INFO L270 CegarLoopResult]: At program point L206(line 206) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= processEnvironment__wrappee__highWaterSensor_~tmp~1 0)))) (or .cse0 (= |old(~pumpRunning~0)| 0)))) [2020-10-27 22:13:26,267 INFO L274 CegarLoopResult]: For program point L204(lines 204 212) no Hoare annotation was computed. [2020-10-27 22:13:26,267 INFO L270 CegarLoopResult]: At program point L202(line 202) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (= |old(~pumpRunning~0)| 0)) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0))) [2020-10-27 22:13:26,267 INFO L274 CegarLoopResult]: For program point L202-1(line 202) no Hoare annotation was computed. [2020-10-27 22:13:26,267 INFO L274 CegarLoopResult]: For program point L200(lines 200 217) no Hoare annotation was computed. [2020-10-27 22:13:26,267 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 833 844) no Hoare annotation was computed. [2020-10-27 22:13:26,268 INFO L274 CegarLoopResult]: For program point L837-1(lines 833 844) no Hoare annotation was computed. [2020-10-27 22:13:26,268 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 833 844) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= |old(~waterLevel~0)| 1)) .cse1) (or .cse0 .cse1 (= ~pumpRunning~0 0)) (or .cse0 (= ~methaneLevelCritical~0 0) .cse1))) [2020-10-27 22:13:26,268 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 713 720) no Hoare annotation was computed. [2020-10-27 22:13:26,268 INFO L274 CegarLoopResult]: For program point L717(line 717) no Hoare annotation was computed. [2020-10-27 22:13:26,268 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 713 720) the Hoare annotation is: true [2020-10-27 22:13:26,268 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 713 720) no Hoare annotation was computed. [2020-10-27 22:13:26,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 10:13:26 BoogieIcfgContainer [2020-10-27 22:13:26,292 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 22:13:26,294 INFO L168 Benchmark]: Toolchain (without parser) took 103208.36 ms. Allocated memory was 162.5 MB in the beginning and 704.6 MB in the end (delta: 542.1 MB). Free memory was 136.1 MB in the beginning and 329.9 MB in the end (delta: -193.7 MB). Peak memory consumption was 434.2 MB. Max. memory is 8.0 GB. [2020-10-27 22:13:26,295 INFO L168 Benchmark]: CDTParser took 0.69 ms. Allocated memory is still 162.5 MB. Free memory was 133.5 MB in the beginning and 133.4 MB in the end (delta: 102.4 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 22:13:26,297 INFO L168 Benchmark]: CACSL2BoogieTranslator took 736.11 ms. Allocated memory is still 162.5 MB. Free memory was 135.5 MB in the beginning and 114.3 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-10-27 22:13:26,302 INFO L168 Benchmark]: Boogie Preprocessor took 132.18 ms. Allocated memory is still 162.5 MB. Free memory was 114.3 MB in the beginning and 110.6 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-27 22:13:26,303 INFO L168 Benchmark]: RCFGBuilder took 1505.66 ms. Allocated memory is still 162.5 MB. Free memory was 110.4 MB in the beginning and 58.0 MB in the end (delta: 52.4 MB). Peak memory consumption was 52.8 MB. Max. memory is 8.0 GB. [2020-10-27 22:13:26,309 INFO L168 Benchmark]: TraceAbstraction took 100816.31 ms. Allocated memory was 162.5 MB in the beginning and 704.6 MB in the end (delta: 542.1 MB). Free memory was 57.4 MB in the beginning and 329.9 MB in the end (delta: -272.4 MB). Peak memory consumption was 354.1 MB. Max. memory is 8.0 GB. [2020-10-27 22:13:26,312 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69 ms. Allocated memory is still 162.5 MB. Free memory was 133.5 MB in the beginning and 133.4 MB in the end (delta: 102.4 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 736.11 ms. Allocated memory is still 162.5 MB. Free memory was 135.5 MB in the beginning and 114.3 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 132.18 ms. Allocated memory is still 162.5 MB. Free memory was 114.3 MB in the beginning and 110.6 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1505.66 ms. Allocated memory is still 162.5 MB. Free memory was 110.4 MB in the beginning and 58.0 MB in the end (delta: 52.4 MB). Peak memory consumption was 52.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 100816.31 ms. Allocated memory was 162.5 MB in the beginning and 704.6 MB in the end (delta: 542.1 MB). Free memory was 57.4 MB in the beginning and 329.9 MB in the end (delta: -272.4 MB). Peak memory consumption was 354.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 651]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 644]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 690]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 697]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 723]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: ((((!(\old(systemActive) == 1) || !(\old(waterLevel) <= 1)) || !(\old(pumpRunning) == 0)) || (((waterLevel <= 1 && splverifierCounter <= 0) && 1 == systemActive) && pumpRunning == 0)) || (((splverifierCounter <= 0 && !(methaneLevelCritical == 0)) && 1 == systemActive) && pumpRunning == 0)) || (((pumpRunning + 1 <= 0 || 0 < pumpRunning) && splverifierCounter <= 0) && 1 == systemActive) - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(waterLevel) <= 1)) || !(\old(pumpRunning) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 244 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 64.0s, OverallIterations: 8, TraceHistogramMax: 3, AutomataDifference: 36.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 36.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1032 SDtfs, 1650 SDslu, 1188 SDs, 0 SdLazy, 6147 SolverSat, 1101 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 309 GetRequests, 215 SyntacticMatches, 1 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 246 ImplicationChecksByTransitivity, 19.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=362occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 8 MinimizatonAttempts, 327 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 1091 PreInvPairs, 1271 NumberOfFragments, 1081 HoareAnnotationTreeSize, 1091 FomulaSimplifications, 6718225 FormulaSimplificationTreeSizeReduction, 8.1s HoareSimplificationTime, 62 FomulaSimplificationsInter, 1028507 FormulaSimplificationTreeSizeReductionInter, 28.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 25.5s InterpolantComputationTime, 643 NumberOfCodeBlocks, 643 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 635 ConstructedInterpolants, 0 QuantifiedInterpolants, 220201 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 28/31 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...