/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 04:22:34,790 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 04:22:34,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 04:22:34,818 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 04:22:34,818 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 04:22:34,819 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 04:22:34,820 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 04:22:34,821 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 04:22:34,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 04:22:34,823 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 04:22:34,824 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 04:22:34,825 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 04:22:34,825 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 04:22:34,826 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 04:22:34,827 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 04:22:34,828 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 04:22:34,828 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 04:22:34,829 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 04:22:34,830 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 04:22:34,832 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 04:22:34,833 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 04:22:34,834 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 04:22:34,835 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 04:22:34,836 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 04:22:34,839 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 04:22:34,839 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 04:22:34,839 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 04:22:34,840 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 04:22:34,840 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 04:22:34,841 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 04:22:34,841 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 04:22:34,842 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 04:22:34,843 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 04:22:34,843 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 04:22:34,844 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 04:22:34,844 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 04:22:34,845 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 04:22:34,845 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 04:22:34,846 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 04:22:34,846 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 04:22:34,847 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 04:22:34,848 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-04-02 04:22:34,866 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 04:22:34,867 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 04:22:34,867 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 04:22:34,867 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 04:22:34,868 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 04:22:34,868 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 04:22:34,868 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 04:22:34,869 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 04:22:34,869 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 04:22:34,869 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 04:22:34,869 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 04:22:34,869 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 04:22:34,869 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 04:22:34,869 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 04:22:34,870 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 04:22:34,870 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 04:22:34,870 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 04:22:34,870 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 04:22:34,870 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 04:22:34,870 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 04:22:34,870 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 04:22:34,870 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 04:22:34,871 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 04:22:34,871 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 04:22:34,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 04:22:34,871 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 04:22:34,871 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 04:22:34,871 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 04:22:34,871 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 04:22:34,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 04:22:34,872 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 04:22:34,872 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 04:22:34,872 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 04:22:34,872 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 04:22:34,872 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 04:22:34,872 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 04:22:35,045 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 04:22:35,063 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 04:22:35,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 04:22:35,066 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 04:22:35,067 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 04:22:35,067 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c [2023-04-02 04:22:36,241 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 04:22:36,478 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 04:22:36,478 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c [2023-04-02 04:22:36,501 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04f05ca4b/610facf7579a4dfeb0f794b20ce97956/FLAG12cef717a [2023-04-02 04:22:36,515 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04f05ca4b/610facf7579a4dfeb0f794b20ce97956 [2023-04-02 04:22:36,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 04:22:36,519 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 04:22:36,520 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 04:22:36,520 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 04:22:36,523 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 04:22:36,524 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 04:22:36" (1/1) ... [2023-04-02 04:22:36,525 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dc5af7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:36, skipping insertion in model container [2023-04-02 04:22:36,525 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 04:22:36" (1/1) ... [2023-04-02 04:22:36,532 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 04:22:36,575 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 04:22:36,787 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c[11718,11731] [2023-04-02 04:22:36,811 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 04:22:36,835 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 04:22:36,908 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c[11718,11731] [2023-04-02 04:22:36,919 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 04:22:36,936 INFO L208 MainTranslator]: Completed translation [2023-04-02 04:22:36,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:36 WrapperNode [2023-04-02 04:22:36,937 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 04:22:36,938 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 04:22:36,938 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 04:22:36,938 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 04:22:36,948 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:36" (1/1) ... [2023-04-02 04:22:36,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:36" (1/1) ... [2023-04-02 04:22:36,966 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:36" (1/1) ... [2023-04-02 04:22:36,966 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:36" (1/1) ... [2023-04-02 04:22:36,987 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:36" (1/1) ... [2023-04-02 04:22:37,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:36" (1/1) ... [2023-04-02 04:22:37,006 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:36" (1/1) ... [2023-04-02 04:22:37,007 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:36" (1/1) ... [2023-04-02 04:22:37,012 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 04:22:37,013 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 04:22:37,013 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 04:22:37,013 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 04:22:37,014 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:36" (1/1) ... [2023-04-02 04:22:37,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 04:22:37,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:22:37,051 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-02 04:22:37,058 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-02 04:22:37,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 04:22:37,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 04:22:37,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-02 04:22:37,081 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 04:22:37,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2023-04-02 04:22:37,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-02 04:22:37,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-02 04:22:37,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-02 04:22:37,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-02 04:22:37,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-02 04:22:37,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-02 04:22:37,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-02 04:22:37,083 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-02 04:22:37,083 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-02 04:22:37,083 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-02 04:22:37,083 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-02 04:22:37,083 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 04:22:37,083 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-02 04:22:37,083 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-02 04:22:37,084 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2023-04-02 04:22:37,084 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-02 04:22:37,084 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-02 04:22:37,084 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-02 04:22:37,084 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-02 04:22:37,084 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-02 04:22:37,084 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2023-04-02 04:22:37,084 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-02 04:22:37,085 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-02 04:22:37,085 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-02 04:22:37,085 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-02 04:22:37,085 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-02 04:22:37,085 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-02 04:22:37,085 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-02 04:22:37,085 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-02 04:22:37,085 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-02 04:22:37,085 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-02 04:22:37,085 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-02 04:22:37,086 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 04:22:37,086 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 04:22:37,086 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 04:22:37,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 04:22:37,086 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 04:22:37,086 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-02 04:22:37,086 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-02 04:22:37,086 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-02 04:22:37,086 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-02 04:22:37,086 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2023-04-02 04:22:37,087 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 04:22:37,087 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 04:22:37,087 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-02 04:22:37,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 04:22:37,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 04:22:37,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 04:22:37,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 04:22:37,087 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-02 04:22:37,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 04:22:37,088 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-02 04:22:37,088 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-02 04:22:37,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 04:22:37,088 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-02 04:22:37,088 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-02 04:22:37,088 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-02 04:22:37,088 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-02 04:22:37,089 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-02 04:22:37,089 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-02 04:22:37,089 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-02 04:22:37,089 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-02 04:22:37,089 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-02 04:22:37,089 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-02 04:22:37,089 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-02 04:22:37,089 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-02 04:22:37,089 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-02 04:22:37,089 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-02 04:22:37,089 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-02 04:22:37,089 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 04:22:37,089 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-02 04:22:37,090 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-02 04:22:37,090 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-02 04:22:37,090 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-02 04:22:37,090 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-02 04:22:37,090 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2023-04-02 04:22:37,090 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-02 04:22:37,090 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2023-04-02 04:22:37,090 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-02 04:22:37,090 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-02 04:22:37,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 04:22:37,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 04:22:37,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 04:22:37,268 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 04:22:37,270 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 04:22:37,792 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 04:22:37,800 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 04:22:37,809 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-02 04:22:37,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 04:22:37 BoogieIcfgContainer [2023-04-02 04:22:37,812 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 04:22:37,814 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 04:22:37,814 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 04:22:37,817 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 04:22:37,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 04:22:36" (1/3) ... [2023-04-02 04:22:37,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@699e140c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 04:22:37, skipping insertion in model container [2023-04-02 04:22:37,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:36" (2/3) ... [2023-04-02 04:22:37,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@699e140c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 04:22:37, skipping insertion in model container [2023-04-02 04:22:37,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 04:22:37" (3/3) ... [2023-04-02 04:22:37,820 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product10.cil.c [2023-04-02 04:22:37,842 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 04:22:37,842 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 04:22:37,905 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 04:22:37,913 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@8fa35f7, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 04:22:37,914 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 04:22:37,917 INFO L276 IsEmpty]: Start isEmpty. Operand has 128 states, 68 states have (on average 1.3235294117647058) internal successors, (90), 77 states have internal predecessors, (90), 36 states have call successors, (36), 21 states have call predecessors, (36), 21 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-04-02 04:22:37,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-04-02 04:22:37,925 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:22:37,926 INFO L195 NwaCegarLoop]: 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] [2023-04-02 04:22:37,926 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:22:37,932 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:22:37,932 INFO L85 PathProgramCache]: Analyzing trace with hash 625354286, now seen corresponding path program 1 times [2023-04-02 04:22:37,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:22:37,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697306919] [2023-04-02 04:22:37,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:22:37,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:22:38,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:38,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:22:38,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:38,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:22:38,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:38,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:22:38,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:38,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:22:38,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:38,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:22:38,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:38,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-04-02 04:22:38,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:38,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 04:22:38,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:38,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:22:38,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:22:38,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697306919] [2023-04-02 04:22:38,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697306919] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:22:38,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:22:38,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-02 04:22:38,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325526181] [2023-04-02 04:22:38,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:22:38,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 04:22:38,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:22:38,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 04:22:38,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-02 04:22:38,306 INFO L87 Difference]: Start difference. First operand has 128 states, 68 states have (on average 1.3235294117647058) internal successors, (90), 77 states have internal predecessors, (90), 36 states have call successors, (36), 21 states have call predecessors, (36), 21 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-02 04:22:38,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:22:38,719 INFO L93 Difference]: Finished difference Result 208 states and 280 transitions. [2023-04-02 04:22:38,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 04:22:38,722 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 46 [2023-04-02 04:22:38,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:22:38,732 INFO L225 Difference]: With dead ends: 208 [2023-04-02 04:22:38,732 INFO L226 Difference]: Without dead ends: 114 [2023-04-02 04:22:38,736 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-02 04:22:38,741 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 62 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-02 04:22:38,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 18 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-02 04:22:38,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2023-04-02 04:22:38,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 85. [2023-04-02 04:22:38,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 49 states have (on average 1.2448979591836735) internal successors, (61), 55 states have internal predecessors, (61), 21 states have call successors, (21), 19 states have call predecessors, (21), 14 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-04-02 04:22:38,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 98 transitions. [2023-04-02 04:22:38,802 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 98 transitions. Word has length 46 [2023-04-02 04:22:38,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:22:38,803 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 98 transitions. [2023-04-02 04:22:38,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-02 04:22:38,804 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 98 transitions. [2023-04-02 04:22:38,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-04-02 04:22:38,806 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:22:38,807 INFO L195 NwaCegarLoop]: 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] [2023-04-02 04:22:38,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 04:22:38,807 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:22:38,810 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:22:38,811 INFO L85 PathProgramCache]: Analyzing trace with hash -122571022, now seen corresponding path program 1 times [2023-04-02 04:22:38,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:22:38,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654076572] [2023-04-02 04:22:38,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:22:38,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:22:38,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:38,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:22:38,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:38,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:22:38,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:38,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:22:38,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:38,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:22:38,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:38,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:22:38,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:38,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-04-02 04:22:38,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:38,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 04:22:38,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:38,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:22:38,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:22:38,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654076572] [2023-04-02 04:22:38,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654076572] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:22:38,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:22:38,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-02 04:22:38,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468538742] [2023-04-02 04:22:38,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:22:38,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-02 04:22:38,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:22:38,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-02 04:22:38,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-02 04:22:38,979 INFO L87 Difference]: Start difference. First operand 85 states and 98 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-02 04:22:39,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:22:39,226 INFO L93 Difference]: Finished difference Result 137 states and 167 transitions. [2023-04-02 04:22:39,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-02 04:22:39,227 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 47 [2023-04-02 04:22:39,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:22:39,229 INFO L225 Difference]: With dead ends: 137 [2023-04-02 04:22:39,229 INFO L226 Difference]: Without dead ends: 98 [2023-04-02 04:22:39,229 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-04-02 04:22:39,230 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 72 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-02 04:22:39,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 24 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-02 04:22:39,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2023-04-02 04:22:39,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 76. [2023-04-02 04:22:39,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 43 states have (on average 1.255813953488372) internal successors, (54), 49 states have internal predecessors, (54), 18 states have call successors, (18), 18 states have call predecessors, (18), 14 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-04-02 04:22:39,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 86 transitions. [2023-04-02 04:22:39,248 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 86 transitions. Word has length 47 [2023-04-02 04:22:39,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:22:39,249 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 86 transitions. [2023-04-02 04:22:39,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-02 04:22:39,249 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 86 transitions. [2023-04-02 04:22:39,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-04-02 04:22:39,250 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:22:39,250 INFO L195 NwaCegarLoop]: 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] [2023-04-02 04:22:39,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 04:22:39,251 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:22:39,251 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:22:39,251 INFO L85 PathProgramCache]: Analyzing trace with hash -470481670, now seen corresponding path program 1 times [2023-04-02 04:22:39,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:22:39,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544598687] [2023-04-02 04:22:39,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:22:39,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:22:39,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:39,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:22:39,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:39,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:22:39,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:39,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:22:39,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:39,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:22:39,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:39,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:22:39,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:39,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 04:22:39,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:39,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-04-02 04:22:39,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:39,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:22:39,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:22:39,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544598687] [2023-04-02 04:22:39,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544598687] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:22:39,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:22:39,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 04:22:39,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731040503] [2023-04-02 04:22:39,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:22:39,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 04:22:39,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:22:39,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 04:22:39,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-04-02 04:22:39,529 INFO L87 Difference]: Start difference. First operand 76 states and 86 transitions. Second operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-02 04:22:39,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:22:39,924 INFO L93 Difference]: Finished difference Result 150 states and 185 transitions. [2023-04-02 04:22:39,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-02 04:22:39,925 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 52 [2023-04-02 04:22:39,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:22:39,927 INFO L225 Difference]: With dead ends: 150 [2023-04-02 04:22:39,927 INFO L226 Difference]: Without dead ends: 98 [2023-04-02 04:22:39,928 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2023-04-02 04:22:39,934 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 166 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-02 04:22:39,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 28 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-02 04:22:39,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2023-04-02 04:22:39,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 76. [2023-04-02 04:22:39,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 43 states have (on average 1.2325581395348837) internal successors, (53), 48 states have internal predecessors, (53), 18 states have call successors, (18), 18 states have call predecessors, (18), 14 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-04-02 04:22:39,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 85 transitions. [2023-04-02 04:22:39,968 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 85 transitions. Word has length 52 [2023-04-02 04:22:39,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:22:39,968 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 85 transitions. [2023-04-02 04:22:39,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-02 04:22:39,969 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2023-04-02 04:22:39,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-04-02 04:22:39,972 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:22:39,972 INFO L195 NwaCegarLoop]: 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] [2023-04-02 04:22:39,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 04:22:39,973 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:22:39,974 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:22:39,974 INFO L85 PathProgramCache]: Analyzing trace with hash -664331312, now seen corresponding path program 1 times [2023-04-02 04:22:39,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:22:39,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824355267] [2023-04-02 04:22:39,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:22:39,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:22:39,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:40,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:22:40,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:40,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:22:40,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:40,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:22:40,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:40,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:22:40,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:40,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:22:40,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:40,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 04:22:40,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:40,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 04:22:40,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:40,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-04-02 04:22:40,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:40,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:22:40,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:22:40,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824355267] [2023-04-02 04:22:40,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824355267] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:22:40,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:22:40,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-04-02 04:22:40,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381010638] [2023-04-02 04:22:40,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:22:40,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-02 04:22:40,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:22:40,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-02 04:22:40,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2023-04-02 04:22:40,225 INFO L87 Difference]: Start difference. First operand 76 states and 85 transitions. Second operand has 11 states, 11 states have (on average 3.0) internal successors, (33), 8 states have internal predecessors, (33), 4 states have call successors, (14), 5 states have call predecessors, (14), 4 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2023-04-02 04:22:41,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:22:41,045 INFO L93 Difference]: Finished difference Result 234 states and 296 transitions. [2023-04-02 04:22:41,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-02 04:22:41,046 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.0) internal successors, (33), 8 states have internal predecessors, (33), 4 states have call successors, (14), 5 states have call predecessors, (14), 4 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) Word has length 55 [2023-04-02 04:22:41,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:22:41,048 INFO L225 Difference]: With dead ends: 234 [2023-04-02 04:22:41,048 INFO L226 Difference]: Without dead ends: 182 [2023-04-02 04:22:41,049 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=111, Invalid=441, Unknown=0, NotChecked=0, Total=552 [2023-04-02 04:22:41,050 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 179 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 701 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 701 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-04-02 04:22:41,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 104 Invalid, 793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 701 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-04-02 04:22:41,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2023-04-02 04:22:41,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 165. [2023-04-02 04:22:41,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 98 states have (on average 1.2346938775510203) internal successors, (121), 111 states have internal predecessors, (121), 35 states have call successors, (35), 33 states have call predecessors, (35), 31 states have return successors, (37), 31 states have call predecessors, (37), 31 states have call successors, (37) [2023-04-02 04:22:41,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 193 transitions. [2023-04-02 04:22:41,083 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 193 transitions. Word has length 55 [2023-04-02 04:22:41,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:22:41,083 INFO L495 AbstractCegarLoop]: Abstraction has 165 states and 193 transitions. [2023-04-02 04:22:41,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.0) internal successors, (33), 8 states have internal predecessors, (33), 4 states have call successors, (14), 5 states have call predecessors, (14), 4 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2023-04-02 04:22:41,083 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 193 transitions. [2023-04-02 04:22:41,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-04-02 04:22:41,085 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:22:41,085 INFO L195 NwaCegarLoop]: 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] [2023-04-02 04:22:41,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-02 04:22:41,085 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:22:41,086 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:22:41,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1644410218, now seen corresponding path program 1 times [2023-04-02 04:22:41,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:22:41,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994796797] [2023-04-02 04:22:41,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:22:41,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:22:41,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:22:41,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:22:41,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:22:41,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:22:41,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:22:41,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 04:22:41,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-04-02 04:22:41,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-04-02 04:22:41,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 04:22:41,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:22:41,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:22:41,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994796797] [2023-04-02 04:22:41,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994796797] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:22:41,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:22:41,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-02 04:22:41,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15575216] [2023-04-02 04:22:41,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:22:41,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-02 04:22:41,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:22:41,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-02 04:22:41,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-02 04:22:41,162 INFO L87 Difference]: Start difference. First operand 165 states and 193 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2023-04-02 04:22:41,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:22:41,355 INFO L93 Difference]: Finished difference Result 263 states and 318 transitions. [2023-04-02 04:22:41,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-02 04:22:41,356 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) Word has length 59 [2023-04-02 04:22:41,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:22:41,360 INFO L225 Difference]: With dead ends: 263 [2023-04-02 04:22:41,360 INFO L226 Difference]: Without dead ends: 161 [2023-04-02 04:22:41,362 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-04-02 04:22:41,364 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 104 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-02 04:22:41,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 24 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-02 04:22:41,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2023-04-02 04:22:41,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 148. [2023-04-02 04:22:41,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 90 states have (on average 1.2) internal successors, (108), 100 states have internal predecessors, (108), 30 states have call successors, (30), 30 states have call predecessors, (30), 27 states have return successors, (27), 26 states have call predecessors, (27), 26 states have call successors, (27) [2023-04-02 04:22:41,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 165 transitions. [2023-04-02 04:22:41,398 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 165 transitions. Word has length 59 [2023-04-02 04:22:41,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:22:41,398 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 165 transitions. [2023-04-02 04:22:41,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2023-04-02 04:22:41,399 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 165 transitions. [2023-04-02 04:22:41,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-04-02 04:22:41,403 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:22:41,403 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:22:41,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-02 04:22:41,404 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:22:41,404 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:22:41,404 INFO L85 PathProgramCache]: Analyzing trace with hash 942211488, now seen corresponding path program 1 times [2023-04-02 04:22:41,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:22:41,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138480656] [2023-04-02 04:22:41,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:22:41,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:22:41,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:22:41,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:22:41,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:22:41,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:22:41,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:22:41,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 04:22:41,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 04:22:41,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:22:41,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 04:22:41,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:22:41,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-04-02 04:22:41,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-04-02 04:22:41,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-04-02 04:22:41,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-04-02 04:22:41,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,611 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-04-02 04:22:41,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:22:41,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138480656] [2023-04-02 04:22:41,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138480656] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 04:22:41,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1125272446] [2023-04-02 04:22:41,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:22:41,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:22:41,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:22:41,617 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 04:22:41,642 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-02 04:22:41,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 15 conjunts are in the unsatisfiable core [2023-04-02 04:22:41,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 04:22:41,978 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 24 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-02 04:22:41,978 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 04:22:42,239 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-04-02 04:22:42,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1125272446] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-02 04:22:42,240 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-02 04:22:42,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 16 [2023-04-02 04:22:42,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844596845] [2023-04-02 04:22:42,241 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-02 04:22:42,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-04-02 04:22:42,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:22:42,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-04-02 04:22:42,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2023-04-02 04:22:42,243 INFO L87 Difference]: Start difference. First operand 148 states and 165 transitions. Second operand has 16 states, 16 states have (on average 6.0625) internal successors, (97), 12 states have internal predecessors, (97), 7 states have call successors, (48), 9 states have call predecessors, (48), 10 states have return successors, (36), 8 states have call predecessors, (36), 7 states have call successors, (36) [2023-04-02 04:22:42,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:22:42,735 INFO L93 Difference]: Finished difference Result 200 states and 232 transitions. [2023-04-02 04:22:42,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-02 04:22:42,736 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 6.0625) internal successors, (97), 12 states have internal predecessors, (97), 7 states have call successors, (48), 9 states have call predecessors, (48), 10 states have return successors, (36), 8 states have call predecessors, (36), 7 states have call successors, (36) Word has length 90 [2023-04-02 04:22:42,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:22:42,737 INFO L225 Difference]: With dead ends: 200 [2023-04-02 04:22:42,737 INFO L226 Difference]: Without dead ends: 0 [2023-04-02 04:22:42,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 192 SyntacticMatches, 8 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2023-04-02 04:22:42,738 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 205 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 667 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-02 04:22:42,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 110 Invalid, 793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 667 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-02 04:22:42,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-02 04:22:42,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-02 04:22:42,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-04-02 04:22:42,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-02 04:22:42,740 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 90 [2023-04-02 04:22:42,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:22:42,740 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-02 04:22:42,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 6.0625) internal successors, (97), 12 states have internal predecessors, (97), 7 states have call successors, (48), 9 states have call predecessors, (48), 10 states have return successors, (36), 8 states have call predecessors, (36), 7 states have call successors, (36) [2023-04-02 04:22:42,740 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-02 04:22:42,741 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-02 04:22:42,743 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-02 04:22:42,754 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-02 04:22:42,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-04-02 04:22:42,954 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-02 04:22:44,371 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-02 04:22:44,372 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 11) no Hoare annotation was computed. [2023-04-02 04:22:44,372 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-02 04:22:44,372 INFO L899 garLoopResultBuilder]: For program point L162-1(lines 162 166) no Hoare annotation was computed. [2023-04-02 04:22:44,372 INFO L899 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2023-04-02 04:22:44,372 INFO L899 garLoopResultBuilder]: For program point L156-2(lines 156 177) no Hoare annotation was computed. [2023-04-02 04:22:44,372 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeFINAL(lines 131 186) no Hoare annotation was computed. [2023-04-02 04:22:44,372 INFO L899 garLoopResultBuilder]: For program point L178(lines 155 179) no Hoare annotation was computed. [2023-04-02 04:22:44,372 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 131 186) no Hoare annotation was computed. [2023-04-02 04:22:44,372 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 131 186) no Hoare annotation was computed. [2023-04-02 04:22:44,373 INFO L899 garLoopResultBuilder]: For program point L162(lines 162 166) no Hoare annotation was computed. [2023-04-02 04:22:44,373 INFO L899 garLoopResultBuilder]: For program point L219(lines 219 223) no Hoare annotation was computed. [2023-04-02 04:22:44,373 INFO L899 garLoopResultBuilder]: For program point L219-1(lines 219 223) no Hoare annotation was computed. [2023-04-02 04:22:44,373 INFO L899 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2023-04-02 04:22:44,373 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 187 246) no Hoare annotation was computed. [2023-04-02 04:22:44,373 INFO L899 garLoopResultBuilder]: For program point L213-2(lines 213 238) no Hoare annotation was computed. [2023-04-02 04:22:44,373 INFO L899 garLoopResultBuilder]: For program point L239(lines 212 240) no Hoare annotation was computed. [2023-04-02 04:22:44,373 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 187 246) no Hoare annotation was computed. [2023-04-02 04:22:44,373 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 187 246) no Hoare annotation was computed. [2023-04-02 04:22:44,373 INFO L899 garLoopResultBuilder]: For program point L232(line 232) no Hoare annotation was computed. [2023-04-02 04:22:44,374 INFO L899 garLoopResultBuilder]: For program point L232-1(line 232) no Hoare annotation was computed. [2023-04-02 04:22:44,374 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 869 877) no Hoare annotation was computed. [2023-04-02 04:22:44,374 INFO L899 garLoopResultBuilder]: For program point valid_productFINAL(lines 869 877) no Hoare annotation was computed. [2023-04-02 04:22:44,374 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 869 877) the Hoare annotation is: true [2023-04-02 04:22:44,374 INFO L899 garLoopResultBuilder]: For program point L65(lines 65 71) no Hoare annotation was computed. [2023-04-02 04:22:44,374 INFO L895 garLoopResultBuilder]: At program point L63(line 63) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0))) [2023-04-02 04:22:44,375 INFO L899 garLoopResultBuilder]: For program point L63-1(line 63) no Hoare annotation was computed. [2023-04-02 04:22:44,375 INFO L899 garLoopResultBuilder]: For program point L61(lines 61 74) no Hoare annotation was computed. [2023-04-02 04:22:44,375 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 53 77) no Hoare annotation was computed. [2023-04-02 04:22:44,375 INFO L902 garLoopResultBuilder]: At program point L59(line 59) the Hoare annotation is: true [2023-04-02 04:22:44,375 INFO L899 garLoopResultBuilder]: For program point L59-1(line 59) no Hoare annotation was computed. [2023-04-02 04:22:44,375 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification4_spec__1EXIT(lines 53 77) no Hoare annotation was computed. [2023-04-02 04:22:44,375 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 53 77) the Hoare annotation is: true [2023-04-02 04:22:44,375 INFO L895 garLoopResultBuilder]: At program point L67(line 67) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0))) [2023-04-02 04:22:44,375 INFO L895 garLoopResultBuilder]: At program point L546-1(line 546) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= main_~tmp~4 1) (= ~waterLevel~0 1))) [2023-04-02 04:22:44,376 INFO L899 garLoopResultBuilder]: For program point L544(lines 544 551) no Hoare annotation was computed. [2023-04-02 04:22:44,376 INFO L899 garLoopResultBuilder]: For program point L544-1(lines 544 551) no Hoare annotation was computed. [2023-04-02 04:22:44,376 INFO L899 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2023-04-02 04:22:44,376 INFO L895 garLoopResultBuilder]: At program point L541(line 541) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-02 04:22:44,376 INFO L895 garLoopResultBuilder]: At program point L540(line 540) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-02 04:22:44,376 INFO L895 garLoopResultBuilder]: At program point L540-1(line 540) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-02 04:22:44,377 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 534 556) no Hoare annotation was computed. [2023-04-02 04:22:44,377 INFO L899 garLoopResultBuilder]: For program point mainFINAL(lines 534 556) no Hoare annotation was computed. [2023-04-02 04:22:44,377 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 534 556) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-02 04:22:44,377 INFO L895 garLoopResultBuilder]: At program point L546(line 546) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= main_~tmp~4 1) (= ~waterLevel~0 1))) [2023-04-02 04:22:44,377 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 489 512) no Hoare annotation was computed. [2023-04-02 04:22:44,377 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 489 512) no Hoare annotation was computed. [2023-04-02 04:22:44,377 INFO L899 garLoopResultBuilder]: For program point L507(line 507) no Hoare annotation was computed. [2023-04-02 04:22:44,377 INFO L899 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed. [2023-04-02 04:22:44,377 INFO L899 garLoopResultBuilder]: For program point L505(line 505) no Hoare annotation was computed. [2023-04-02 04:22:44,378 INFO L899 garLoopResultBuilder]: For program point L504(line 504) no Hoare annotation was computed. [2023-04-02 04:22:44,378 INFO L899 garLoopResultBuilder]: For program point L503(line 503) no Hoare annotation was computed. [2023-04-02 04:22:44,378 INFO L899 garLoopResultBuilder]: For program point L502(line 502) no Hoare annotation was computed. [2023-04-02 04:22:44,378 INFO L899 garLoopResultBuilder]: For program point L501(line 501) no Hoare annotation was computed. [2023-04-02 04:22:44,378 INFO L899 garLoopResultBuilder]: For program point L500(line 500) no Hoare annotation was computed. [2023-04-02 04:22:44,378 INFO L899 garLoopResultBuilder]: For program point L499(line 499) no Hoare annotation was computed. [2023-04-02 04:22:44,378 INFO L899 garLoopResultBuilder]: For program point L498(line 498) no Hoare annotation was computed. [2023-04-02 04:22:44,378 INFO L899 garLoopResultBuilder]: For program point L497(line 497) no Hoare annotation was computed. [2023-04-02 04:22:44,378 INFO L899 garLoopResultBuilder]: For program point L496(line 496) no Hoare annotation was computed. [2023-04-02 04:22:44,378 INFO L899 garLoopResultBuilder]: For program point L495(line 495) no Hoare annotation was computed. [2023-04-02 04:22:44,379 INFO L899 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2023-04-02 04:22:44,379 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 489 512) no Hoare annotation was computed. [2023-04-02 04:22:44,379 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 855 861) no Hoare annotation was computed. [2023-04-02 04:22:44,379 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 855 861) the Hoare annotation is: true [2023-04-02 04:22:44,379 INFO L899 garLoopResultBuilder]: For program point L412(lines 412 432) no Hoare annotation was computed. [2023-04-02 04:22:44,379 INFO L899 garLoopResultBuilder]: For program point L412-1(lines 412 432) no Hoare annotation was computed. [2023-04-02 04:22:44,379 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeFINAL(lines 398 443) no Hoare annotation was computed. [2023-04-02 04:22:44,379 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 398 443) no Hoare annotation was computed. [2023-04-02 04:22:44,379 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 398 443) no Hoare annotation was computed. [2023-04-02 04:22:44,379 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 425) no Hoare annotation was computed. [2023-04-02 04:22:44,380 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 591 597) no Hoare annotation was computed. [2023-04-02 04:22:44,380 INFO L902 garLoopResultBuilder]: At program point processEnvironmentFINAL(lines 591 597) the Hoare annotation is: true [2023-04-02 04:22:44,380 INFO L899 garLoopResultBuilder]: For program point L737(lines 737 750) no Hoare annotation was computed. [2023-04-02 04:22:44,380 INFO L895 garLoopResultBuilder]: At program point L729(line 729) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (and .cse0 .cse1 (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)))) [2023-04-02 04:22:44,380 INFO L899 garLoopResultBuilder]: For program point L727(lines 727 733) no Hoare annotation was computed. [2023-04-02 04:22:44,380 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 697 762) no Hoare annotation was computed. [2023-04-02 04:22:44,380 INFO L899 garLoopResultBuilder]: For program point L727-1(lines 727 733) no Hoare annotation was computed. [2023-04-02 04:22:44,380 INFO L895 garLoopResultBuilder]: At program point L752(lines 707 754) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (and .cse0 .cse1 (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)))) [2023-04-02 04:22:44,381 INFO L895 garLoopResultBuilder]: At program point L719(line 719) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (and .cse0 .cse1 (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)))) [2023-04-02 04:22:44,381 INFO L899 garLoopResultBuilder]: For program point L717(lines 717 723) no Hoare annotation was computed. [2023-04-02 04:22:44,381 INFO L899 garLoopResultBuilder]: For program point L717-1(lines 717 723) no Hoare annotation was computed. [2023-04-02 04:22:44,381 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 697 762) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-02 04:22:44,381 INFO L899 garLoopResultBuilder]: For program point L709(lines 709 713) no Hoare annotation was computed. [2023-04-02 04:22:44,381 INFO L895 garLoopResultBuilder]: At program point L755(lines 706 756) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-02 04:22:44,381 INFO L899 garLoopResultBuilder]: For program point L745(lines 745 749) no Hoare annotation was computed. [2023-04-02 04:22:44,381 INFO L895 garLoopResultBuilder]: At program point L745-2(lines 737 750) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (and .cse0 .cse1 (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)))) [2023-04-02 04:22:44,381 INFO L899 garLoopResultBuilder]: For program point L708(lines 707 754) no Hoare annotation was computed. [2023-04-02 04:22:44,382 INFO L895 garLoopResultBuilder]: At program point L739(line 739) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (and .cse0 .cse1 (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)))) [2023-04-02 04:22:44,382 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 697 762) no Hoare annotation was computed. [2023-04-02 04:22:44,382 INFO L899 garLoopResultBuilder]: For program point L819-2(lines 819 827) no Hoare annotation was computed. [2023-04-02 04:22:44,382 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 811 833) no Hoare annotation was computed. [2023-04-02 04:22:44,382 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 811 833) no Hoare annotation was computed. [2023-04-02 04:22:44,382 INFO L899 garLoopResultBuilder]: For program point printEnvironmentFINAL(lines 811 833) no Hoare annotation was computed. [2023-04-02 04:22:44,382 INFO L899 garLoopResultBuilder]: For program point L819(lines 819 827) no Hoare annotation was computed. [2023-04-02 04:22:44,382 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 607 623) no Hoare annotation was computed. [2023-04-02 04:22:44,382 INFO L899 garLoopResultBuilder]: For program point L618(line 618) no Hoare annotation was computed. [2023-04-02 04:22:44,382 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 607 623) no Hoare annotation was computed. [2023-04-02 04:22:44,382 INFO L899 garLoopResultBuilder]: For program point L618-1(lines 607 623) no Hoare annotation was computed. [2023-04-02 04:22:44,383 INFO L899 garLoopResultBuilder]: For program point L614(lines 614 620) no Hoare annotation was computed. [2023-04-02 04:22:44,383 INFO L899 garLoopResultBuilder]: For program point L612(line 612) no Hoare annotation was computed. [2023-04-02 04:22:44,383 INFO L899 garLoopResultBuilder]: For program point L612-1(line 612) no Hoare annotation was computed. [2023-04-02 04:22:44,383 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 834 842) the Hoare annotation is: true [2023-04-02 04:22:44,383 INFO L899 garLoopResultBuilder]: For program point getWaterLevelFINAL(lines 834 842) no Hoare annotation was computed. [2023-04-02 04:22:44,383 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 834 842) no Hoare annotation was computed. [2023-04-02 04:22:44,383 INFO L895 garLoopResultBuilder]: At program point L573(line 573) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (< |old(~waterLevel~0)| 2)) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1))) [2023-04-02 04:22:44,383 INFO L899 garLoopResultBuilder]: For program point L571(lines 570 589) no Hoare annotation was computed. [2023-04-02 04:22:44,383 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 567 590) no Hoare annotation was computed. [2023-04-02 04:22:44,384 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 567 590) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (= ~waterLevel~0 1)) (or .cse0 .cse1 (< |old(~waterLevel~0)| 2) (= |old(~waterLevel~0)| ~waterLevel~0)))) [2023-04-02 04:22:44,384 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 567 590) no Hoare annotation was computed. [2023-04-02 04:22:44,384 INFO L895 garLoopResultBuilder]: At program point L580(line 580) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (= ~waterLevel~0 1)) (or .cse0 .cse1 (< |old(~waterLevel~0)| 2) (= |old(~waterLevel~0)| ~waterLevel~0)))) [2023-04-02 04:22:44,384 INFO L895 garLoopResultBuilder]: At program point L578(lines 578 584) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (= ~waterLevel~0 1)) (or .cse0 .cse1 (< |old(~waterLevel~0)| 2) (= |old(~waterLevel~0)| ~waterLevel~0)))) [2023-04-02 04:22:44,384 INFO L902 garLoopResultBuilder]: At program point L481(lines 456 485) the Hoare annotation is: true [2023-04-02 04:22:44,384 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 456 485) no Hoare annotation was computed. [2023-04-02 04:22:44,384 INFO L899 garLoopResultBuilder]: For program point L477(line 477) no Hoare annotation was computed. [2023-04-02 04:22:44,384 INFO L899 garLoopResultBuilder]: For program point L470(lines 470 474) no Hoare annotation was computed. [2023-04-02 04:22:44,384 INFO L902 garLoopResultBuilder]: At program point L470-1(lines 470 474) the Hoare annotation is: true [2023-04-02 04:22:44,385 INFO L899 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2023-04-02 04:22:44,385 INFO L902 garLoopResultBuilder]: At program point L466-2(lines 466 480) the Hoare annotation is: true [2023-04-02 04:22:44,385 INFO L902 garLoopResultBuilder]: At program point L462(line 462) the Hoare annotation is: true [2023-04-02 04:22:44,385 INFO L899 garLoopResultBuilder]: For program point L462-1(line 462) no Hoare annotation was computed. [2023-04-02 04:22:44,385 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 456 485) the Hoare annotation is: true [2023-04-02 04:22:44,385 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 802 810) no Hoare annotation was computed. [2023-04-02 04:22:44,385 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 802 810) no Hoare annotation was computed. [2023-04-02 04:22:44,385 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 802 810) no Hoare annotation was computed. [2023-04-02 04:22:44,385 INFO L899 garLoopResultBuilder]: For program point L770-1(lines 766 777) no Hoare annotation was computed. [2023-04-02 04:22:44,386 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 766 777) no Hoare annotation was computed. [2023-04-02 04:22:44,386 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 766 777) the Hoare annotation is: true [2023-04-02 04:22:44,386 INFO L899 garLoopResultBuilder]: For program point startSystemEXIT(lines 688 695) no Hoare annotation was computed. [2023-04-02 04:22:44,386 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 688 695) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (= 1 ~systemActive~0)) (.cse2 (not (= |old(~systemActive~0)| 1)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)))) [2023-04-02 04:22:44,386 INFO L899 garLoopResultBuilder]: For program point startSystemFINAL(lines 688 695) no Hoare annotation was computed. [2023-04-02 04:22:44,386 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 778 789) no Hoare annotation was computed. [2023-04-02 04:22:44,386 INFO L899 garLoopResultBuilder]: For program point L782-1(lines 778 789) no Hoare annotation was computed. [2023-04-02 04:22:44,386 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 778 789) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (= ~waterLevel~0 1)) (or .cse0 .cse1 (< |old(~waterLevel~0)| 2) (= |old(~waterLevel~0)| ~waterLevel~0)))) [2023-04-02 04:22:44,386 INFO L899 garLoopResultBuilder]: For program point __automaton_failFINAL(lines 445 452) no Hoare annotation was computed. [2023-04-02 04:22:44,386 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 445 452) the Hoare annotation is: true [2023-04-02 04:22:44,387 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 449) no Hoare annotation was computed. [2023-04-02 04:22:44,387 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 445 452) no Hoare annotation was computed. [2023-04-02 04:22:44,387 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 862 868) the Hoare annotation is: true [2023-04-02 04:22:44,387 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 862 868) no Hoare annotation was computed. [2023-04-02 04:22:44,387 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__baseEXIT(lines 598 605) no Hoare annotation was computed. [2023-04-02 04:22:44,387 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__baseFINAL(lines 598 605) no Hoare annotation was computed. [2023-04-02 04:22:44,387 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 598 605) no Hoare annotation was computed. [2023-04-02 04:22:44,387 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 643 651) no Hoare annotation was computed. [2023-04-02 04:22:44,387 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 643 651) no Hoare annotation was computed. [2023-04-02 04:22:44,387 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 643 651) the Hoare annotation is: true [2023-04-02 04:22:44,388 INFO L899 garLoopResultBuilder]: For program point L671(lines 671 679) no Hoare annotation was computed. [2023-04-02 04:22:44,388 INFO L899 garLoopResultBuilder]: For program point L671-2(lines 671 679) no Hoare annotation was computed. [2023-04-02 04:22:44,388 INFO L899 garLoopResultBuilder]: For program point L659(lines 659 667) no Hoare annotation was computed. [2023-04-02 04:22:44,388 INFO L899 garLoopResultBuilder]: For program point L659-2(lines 659 667) no Hoare annotation was computed. [2023-04-02 04:22:44,388 INFO L899 garLoopResultBuilder]: For program point printPumpFINAL(lines 652 687) no Hoare annotation was computed. [2023-04-02 04:22:44,388 INFO L899 garLoopResultBuilder]: For program point L682(line 682) no Hoare annotation was computed. [2023-04-02 04:22:44,388 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 652 687) no Hoare annotation was computed. [2023-04-02 04:22:44,388 INFO L899 garLoopResultBuilder]: For program point L682-1(line 682) no Hoare annotation was computed. [2023-04-02 04:22:44,388 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 652 687) no Hoare annotation was computed. [2023-04-02 04:22:44,388 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 85 130) no Hoare annotation was computed. [2023-04-02 04:22:44,388 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 85 130) no Hoare annotation was computed. [2023-04-02 04:22:44,389 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setFINAL(lines 85 130) no Hoare annotation was computed. [2023-04-02 04:22:44,389 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 521 530) no Hoare annotation was computed. [2023-04-02 04:22:44,389 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 521 530) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-02 04:22:44,389 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 521 530) no Hoare annotation was computed. [2023-04-02 04:22:44,389 INFO L899 garLoopResultBuilder]: For program point L637(line 637) no Hoare annotation was computed. [2023-04-02 04:22:44,389 INFO L899 garLoopResultBuilder]: For program point L637-1(line 637) no Hoare annotation was computed. [2023-04-02 04:22:44,389 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 632 642) no Hoare annotation was computed. [2023-04-02 04:22:44,389 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 632 642) no Hoare annotation was computed. [2023-04-02 04:22:44,389 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 632 642) no Hoare annotation was computed. [2023-04-02 04:22:44,389 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 624 631) no Hoare annotation was computed. [2023-04-02 04:22:44,390 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 624 631) no Hoare annotation was computed. [2023-04-02 04:22:44,390 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 624 631) no Hoare annotation was computed. [2023-04-02 04:22:44,390 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 352 397) no Hoare annotation was computed. [2023-04-02 04:22:44,390 INFO L899 garLoopResultBuilder]: For program point L372(lines 372 379) no Hoare annotation was computed. [2023-04-02 04:22:44,390 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argFINAL(lines 352 397) no Hoare annotation was computed. [2023-04-02 04:22:44,390 INFO L899 garLoopResultBuilder]: For program point L366(lines 366 386) no Hoare annotation was computed. [2023-04-02 04:22:44,390 INFO L899 garLoopResultBuilder]: For program point L366-1(lines 366 386) no Hoare annotation was computed. [2023-04-02 04:22:44,390 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 352 397) no Hoare annotation was computed. [2023-04-02 04:22:44,390 INFO L899 garLoopResultBuilder]: For program point L314(line 314) no Hoare annotation was computed. [2023-04-02 04:22:44,390 INFO L899 garLoopResultBuilder]: For program point L314-1(line 314) no Hoare annotation was computed. [2023-04-02 04:22:44,391 INFO L899 garLoopResultBuilder]: For program point L273(lines 273 277) no Hoare annotation was computed. [2023-04-02 04:22:44,391 INFO L899 garLoopResultBuilder]: For program point L337(lines 337 348) no Hoare annotation was computed. [2023-04-02 04:22:44,391 INFO L899 garLoopResultBuilder]: For program point L300(lines 300 304) no Hoare annotation was computed. [2023-04-02 04:22:44,391 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 249 351) no Hoare annotation was computed. [2023-04-02 04:22:44,391 INFO L899 garLoopResultBuilder]: For program point L298-2(lines 298 318) no Hoare annotation was computed. [2023-04-02 04:22:44,391 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 249 351) no Hoare annotation was computed. [2023-04-02 04:22:44,391 INFO L899 garLoopResultBuilder]: For program point L319(lines 297 320) no Hoare annotation was computed. [2023-04-02 04:22:44,391 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 294) no Hoare annotation was computed. [2023-04-02 04:22:44,391 INFO L899 garLoopResultBuilder]: For program point L338(lines 338 345) no Hoare annotation was computed. [2023-04-02 04:22:44,391 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 249 351) no Hoare annotation was computed. [2023-04-02 04:22:44,391 INFO L899 garLoopResultBuilder]: For program point L299(lines 298 318) no Hoare annotation was computed. [2023-04-02 04:22:44,392 INFO L899 garLoopResultBuilder]: For program point L330(line 330) no Hoare annotation was computed. [2023-04-02 04:22:44,392 INFO L899 garLoopResultBuilder]: For program point L330-1(line 330) no Hoare annotation was computed. [2023-04-02 04:22:44,392 INFO L899 garLoopResultBuilder]: For program point L295(lines 295 336) no Hoare annotation was computed. [2023-04-02 04:22:44,392 INFO L899 garLoopResultBuilder]: For program point select_oneFINAL(lines 845 854) no Hoare annotation was computed. [2023-04-02 04:22:44,392 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 845 854) no Hoare annotation was computed. [2023-04-02 04:22:44,392 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 845 854) no Hoare annotation was computed. [2023-04-02 04:22:44,392 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-04-02 04:22:44,392 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~head~0.base)| ~head~0.base) (= ~head~0.offset |old(~head~0.offset)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~systemActive~0)| ~systemActive~0) (= |old(#NULL.base)| |#NULL.base|)) [2023-04-02 04:22:44,392 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-02 04:22:44,392 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-02 04:22:44,392 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2023-04-02 04:22:44,393 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-02 04:22:44,393 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 790 801) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2023-04-02 04:22:44,393 INFO L899 garLoopResultBuilder]: For program point L794-1(lines 790 801) no Hoare annotation was computed. [2023-04-02 04:22:44,393 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 790 801) no Hoare annotation was computed. [2023-04-02 04:22:44,393 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 513 519) no Hoare annotation was computed. [2023-04-02 04:22:44,393 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 513 519) the Hoare annotation is: true [2023-04-02 04:22:44,393 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-02 04:22:44,393 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-04-02 04:22:44,393 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-02 04:22:44,393 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-02 04:22:44,396 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-04-02 04:22:44,398 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-02 04:22:44,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.04 04:22:44 BoogieIcfgContainer [2023-04-02 04:22:44,413 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-02 04:22:44,414 INFO L158 Benchmark]: Toolchain (without parser) took 7894.90ms. Allocated memory was 321.9MB in the beginning and 404.8MB in the end (delta: 82.8MB). Free memory was 285.8MB in the beginning and 194.1MB in the end (delta: 91.7MB). Peak memory consumption was 237.3MB. Max. memory is 8.0GB. [2023-04-02 04:22:44,414 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 189.8MB. Free memory is still 139.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-02 04:22:44,414 INFO L158 Benchmark]: CACSL2BoogieTranslator took 417.57ms. Allocated memory is still 321.9MB. Free memory was 285.8MB in the beginning and 267.8MB in the end (delta: 18.0MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-04-02 04:22:44,415 INFO L158 Benchmark]: Boogie Preprocessor took 73.68ms. Allocated memory is still 321.9MB. Free memory was 267.8MB in the beginning and 264.3MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-02 04:22:44,415 INFO L158 Benchmark]: RCFGBuilder took 799.83ms. Allocated memory is still 321.9MB. Free memory was 264.3MB in the beginning and 227.5MB in the end (delta: 36.8MB). Peak memory consumption was 36.7MB. Max. memory is 8.0GB. [2023-04-02 04:22:44,417 INFO L158 Benchmark]: TraceAbstraction took 6598.80ms. Allocated memory was 321.9MB in the beginning and 404.8MB in the end (delta: 82.8MB). Free memory was 226.6MB in the beginning and 194.1MB in the end (delta: 32.5MB). Peak memory consumption was 178.6MB. Max. memory is 8.0GB. [2023-04-02 04:22:44,418 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 189.8MB. Free memory is still 139.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 417.57ms. Allocated memory is still 321.9MB. Free memory was 285.8MB in the beginning and 267.8MB in the end (delta: 18.0MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 73.68ms. Allocated memory is still 321.9MB. Free memory was 267.8MB in the beginning and 264.3MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 799.83ms. Allocated memory is still 321.9MB. Free memory was 264.3MB in the beginning and 227.5MB in the end (delta: 36.8MB). Peak memory consumption was 36.7MB. Max. memory is 8.0GB. * TraceAbstraction took 6598.80ms. Allocated memory was 321.9MB in the beginning and 404.8MB in the end (delta: 82.8MB). Free memory was 226.6MB in the beginning and 194.1MB in the end (delta: 32.5MB). Peak memory consumption was 178.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 449]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 208 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.5s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 820 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 788 mSDsluCounter, 308 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 231 mSDsCounter, 434 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2171 IncrementalHoareTripleChecker+Invalid, 2605 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 434 mSolverCounterUnsat, 77 mSDtfsCounter, 2171 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 346 GetRequests, 277 SyntacticMatches, 8 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=165occurred in iteration=4, InterpolantAutomatonStates: 49, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 103 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 199 PreInvPairs, 222 NumberOfFragments, 665 HoareAnnotationTreeSize, 199 FomulaSimplifications, 5067 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 42 FomulaSimplificationsInter, 1731 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 439 NumberOfCodeBlocks, 439 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 521 ConstructedInterpolants, 0 QuantifiedInterpolants, 1237 SizeOfPredicates, 3 NumberOfNonLiveVariables, 350 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 75/81 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) || ((splverifierCounter == 0 && 1 == systemActive) && waterLevel == 1)) || !(pumpRunning == 0)) || !(\old(waterLevel) == 1)) || !(\old(systemActive) == 1) - InvariantResult [Line: 706]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || !(\old(waterLevel) == 1)) || !(\old(systemActive) == 1) - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-04-02 04:22:44,444 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...