/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_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 04:23:17,966 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 04:23:17,968 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 04:23:18,005 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 04:23:18,005 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 04:23:18,008 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 04:23:18,009 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 04:23:18,010 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 04:23:18,011 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 04:23:18,011 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 04:23:18,012 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 04:23:18,013 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 04:23:18,013 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 04:23:18,016 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 04:23:18,018 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 04:23:18,019 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 04:23:18,019 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 04:23:18,021 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 04:23:18,023 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 04:23:18,028 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 04:23:18,030 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 04:23:18,031 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 04:23:18,032 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 04:23:18,033 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 04:23:18,040 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 04:23:18,041 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 04:23:18,041 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 04:23:18,042 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 04:23:18,043 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 04:23:18,043 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 04:23:18,043 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 04:23:18,044 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 04:23:18,046 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 04:23:18,046 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 04:23:18,047 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 04:23:18,047 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 04:23:18,047 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 04:23:18,048 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 04:23:18,048 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 04:23:18,048 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 04:23:18,049 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 04:23:18,050 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 04:23:18,078 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 04:23:18,079 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 04:23:18,079 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 04:23:18,079 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 04:23:18,081 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 04:23:18,081 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 04:23:18,082 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 04:23:18,082 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 04:23:18,082 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 04:23:18,083 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 04:23:18,083 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 04:23:18,083 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 04:23:18,084 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 04:23:18,084 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 04:23:18,084 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 04:23:18,084 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 04:23:18,084 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 04:23:18,084 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 04:23:18,084 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 04:23:18,084 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 04:23:18,084 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 04:23:18,085 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 04:23:18,085 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 04:23:18,085 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 04:23:18,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 04:23:18,085 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 04:23:18,085 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 04:23:18,086 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 04:23:18,086 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 04:23:18,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 04:23:18,086 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 04:23:18,086 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 04:23:18,086 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 04:23:18,087 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 04:23:18,087 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 04:23:18,087 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 04:23:18,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 04:23:18,320 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 04:23:18,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 04:23:18,323 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 04:23:18,324 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 04:23:18,325 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c [2023-04-02 04:23:19,454 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 04:23:19,787 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 04:23:19,787 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c [2023-04-02 04:23:19,806 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/124d960bb/c12bc57991ff470597112067019515ba/FLAGc0e9675e2 [2023-04-02 04:23:19,823 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/124d960bb/c12bc57991ff470597112067019515ba [2023-04-02 04:23:19,825 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 04:23:19,827 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 04:23:19,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 04:23:19,830 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 04:23:19,832 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 04:23:19,833 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 04:23:19" (1/1) ... [2023-04-02 04:23:19,834 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67aa41d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:19, skipping insertion in model container [2023-04-02 04:23:19,834 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 04:23:19" (1/1) ... [2023-04-02 04:23:19,840 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 04:23:19,891 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 04:23:20,029 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_product29.cil.c[2984,2997] [2023-04-02 04:23:20,135 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 04:23:20,153 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 04:23:20,186 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_product29.cil.c[2984,2997] [2023-04-02 04:23:20,249 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 04:23:20,264 INFO L208 MainTranslator]: Completed translation [2023-04-02 04:23:20,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:20 WrapperNode [2023-04-02 04:23:20,265 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 04:23:20,266 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 04:23:20,266 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 04:23:20,266 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 04:23:20,274 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:20" (1/1) ... [2023-04-02 04:23:20,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:20" (1/1) ... [2023-04-02 04:23:20,285 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:20" (1/1) ... [2023-04-02 04:23:20,285 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:20" (1/1) ... [2023-04-02 04:23:20,313 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:20" (1/1) ... [2023-04-02 04:23:20,319 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:20" (1/1) ... [2023-04-02 04:23:20,322 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:20" (1/1) ... [2023-04-02 04:23:20,324 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:20" (1/1) ... [2023-04-02 04:23:20,337 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 04:23:20,338 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 04:23:20,338 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 04:23:20,338 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 04:23:20,339 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:20" (1/1) ... [2023-04-02 04:23:20,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 04:23:20,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:23:20,369 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 04:23:20,371 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 04:23:20,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 04:23:20,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 04:23:20,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-02 04:23:20,398 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 04:23:20,399 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-02 04:23:20,399 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-02 04:23:20,399 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-02 04:23:20,399 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-02 04:23:20,399 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-02 04:23:20,399 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-02 04:23:20,399 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2023-04-02 04:23:20,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-02 04:23:20,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-02 04:23:20,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-02 04:23:20,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-02 04:23:20,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-02 04:23:20,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-02 04:23:20,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-02 04:23:20,401 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-02 04:23:20,401 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-02 04:23:20,402 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-02 04:23:20,402 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-02 04:23:20,402 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-02 04:23:20,402 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-02 04:23:20,402 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-04-02 04:23:20,403 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-04-02 04:23:20,403 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-02 04:23:20,403 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2023-04-02 04:23:20,404 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-02 04:23:20,404 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-02 04:23:20,404 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-02 04:23:20,404 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-02 04:23:20,404 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-02 04:23:20,404 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2023-04-02 04:23:20,404 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-02 04:23:20,404 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-02 04:23:20,404 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-02 04:23:20,404 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-02 04:23:20,404 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 04:23:20,405 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2023-04-02 04:23:20,405 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 04:23:20,405 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 04:23:20,405 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 04:23:20,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 04:23:20,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 04:23:20,405 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-02 04:23:20,405 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-02 04:23:20,406 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-02 04:23:20,406 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-02 04:23:20,406 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-02 04:23:20,406 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-02 04:23:20,406 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-02 04:23:20,406 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2023-04-02 04:23:20,406 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-02 04:23:20,406 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 04:23:20,407 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 04:23:20,407 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-02 04:23:20,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 04:23:20,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 04:23:20,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 04:23:20,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 04:23:20,407 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-02 04:23:20,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 04:23:20,407 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-02 04:23:20,408 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-02 04:23:20,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 04:23:20,408 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-02 04:23:20,408 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-02 04:23:20,408 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-02 04:23:20,408 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-02 04:23:20,408 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-02 04:23:20,408 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-02 04:23:20,408 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-02 04:23:20,409 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-02 04:23:20,409 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-02 04:23:20,409 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-02 04:23:20,409 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-02 04:23:20,409 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-02 04:23:20,409 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-02 04:23:20,409 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-02 04:23:20,409 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2023-04-02 04:23:20,409 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-02 04:23:20,410 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-04-02 04:23:20,410 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2023-04-02 04:23:20,410 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-04-02 04:23:20,410 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-02 04:23:20,410 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2023-04-02 04:23:20,410 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-02 04:23:20,410 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-02 04:23:20,410 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-02 04:23:20,410 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 04:23:20,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 04:23:20,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 04:23:20,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 04:23:20,544 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 04:23:20,546 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 04:23:21,091 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 04:23:21,099 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 04:23:21,099 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-02 04:23:21,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 04:23:21 BoogieIcfgContainer [2023-04-02 04:23:21,104 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 04:23:21,107 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 04:23:21,107 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 04:23:21,110 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 04:23:21,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 04:23:19" (1/3) ... [2023-04-02 04:23:21,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a0c273d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 04:23:21, skipping insertion in model container [2023-04-02 04:23:21,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:20" (2/3) ... [2023-04-02 04:23:21,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a0c273d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 04:23:21, skipping insertion in model container [2023-04-02 04:23:21,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 04:23:21" (3/3) ... [2023-04-02 04:23:21,113 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product29.cil.c [2023-04-02 04:23:21,128 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 04:23:21,129 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 04:23:21,189 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 04:23:21,196 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;@7ac78251, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 04:23:21,196 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 04:23:21,203 INFO L276 IsEmpty]: Start isEmpty. Operand has 173 states, 95 states have (on average 1.2947368421052632) internal successors, (123), 108 states have internal predecessors, (123), 46 states have call successors, (46), 28 states have call predecessors, (46), 28 states have return successors, (46), 42 states have call predecessors, (46), 46 states have call successors, (46) [2023-04-02 04:23:21,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-04-02 04:23:21,214 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:23:21,215 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 04:23:21,216 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:23:21,222 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:23:21,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1661538846, now seen corresponding path program 1 times [2023-04-02 04:23:21,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:23:21,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052560540] [2023-04-02 04:23:21,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:23:21,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:23:21,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:21,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:23:21,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:21,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:23:21,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:21,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:23:21,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:21,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:23:21,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:21,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:23:21,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:21,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-04-02 04:23:21,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:21,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 04:23:21,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:21,520 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 04:23:21,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:23:21,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052560540] [2023-04-02 04:23:21,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052560540] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:23:21,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:23:21,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-02 04:23:21,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535815475] [2023-04-02 04:23:21,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:23:21,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 04:23:21,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:23:21,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 04:23:21,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-02 04:23:21,573 INFO L87 Difference]: Start difference. First operand has 173 states, 95 states have (on average 1.2947368421052632) internal successors, (123), 108 states have internal predecessors, (123), 46 states have call successors, (46), 28 states have call predecessors, (46), 28 states have return successors, (46), 42 states have call predecessors, (46), 46 states have call successors, (46) 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 04:23:22,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:23:22,036 INFO L93 Difference]: Finished difference Result 285 states and 374 transitions. [2023-04-02 04:23:22,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 04:23:22,039 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 04:23:22,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:23:22,053 INFO L225 Difference]: With dead ends: 285 [2023-04-02 04:23:22,054 INFO L226 Difference]: Without dead ends: 154 [2023-04-02 04:23:22,057 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 04:23:22,060 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 91 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-02 04:23:22,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 20 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-02 04:23:22,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2023-04-02 04:23:22,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 122. [2023-04-02 04:23:22,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 71 states have (on average 1.2394366197183098) internal successors, (88), 80 states have internal predecessors, (88), 30 states have call successors, (30), 25 states have call predecessors, (30), 20 states have return successors, (25), 21 states have call predecessors, (25), 25 states have call successors, (25) [2023-04-02 04:23:22,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 143 transitions. [2023-04-02 04:23:22,212 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 143 transitions. Word has length 46 [2023-04-02 04:23:22,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:23:22,213 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 143 transitions. [2023-04-02 04:23:22,213 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 04:23:22,214 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 143 transitions. [2023-04-02 04:23:22,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-04-02 04:23:22,216 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:23:22,216 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 04:23:22,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 04:23:22,217 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:23:22,217 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:23:22,217 INFO L85 PathProgramCache]: Analyzing trace with hash -481106492, now seen corresponding path program 1 times [2023-04-02 04:23:22,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:23:22,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650821001] [2023-04-02 04:23:22,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:23:22,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:23:22,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:22,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:23:22,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:22,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:23:22,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:22,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:23:22,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:22,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:23:22,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:22,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:23:22,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:22,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-04-02 04:23:22,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:22,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 04:23:22,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:22,366 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 04:23:22,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:23:22,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650821001] [2023-04-02 04:23:22,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650821001] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:23:22,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:23:22,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-02 04:23:22,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823472721] [2023-04-02 04:23:22,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:23:22,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-02 04:23:22,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:23:22,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-02 04:23:22,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-02 04:23:22,370 INFO L87 Difference]: Start difference. First operand 122 states and 143 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 04:23:22,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:23:22,700 INFO L93 Difference]: Finished difference Result 218 states and 265 transitions. [2023-04-02 04:23:22,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-02 04:23:22,701 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 04:23:22,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:23:22,702 INFO L225 Difference]: With dead ends: 218 [2023-04-02 04:23:22,703 INFO L226 Difference]: Without dead ends: 138 [2023-04-02 04:23:22,703 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 04:23:22,705 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 101 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-02 04:23:22,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 25 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-02 04:23:22,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2023-04-02 04:23:22,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 113. [2023-04-02 04:23:22,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 65 states have (on average 1.2461538461538462) internal successors, (81), 74 states have internal predecessors, (81), 27 states have call successors, (27), 24 states have call predecessors, (27), 20 states have return successors, (23), 19 states have call predecessors, (23), 23 states have call successors, (23) [2023-04-02 04:23:22,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 131 transitions. [2023-04-02 04:23:22,741 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 131 transitions. Word has length 47 [2023-04-02 04:23:22,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:23:22,742 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 131 transitions. [2023-04-02 04:23:22,742 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 04:23:22,742 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 131 transitions. [2023-04-02 04:23:22,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-04-02 04:23:22,748 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:23:22,748 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] [2023-04-02 04:23:22,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 04:23:22,749 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:23:22,749 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:23:22,749 INFO L85 PathProgramCache]: Analyzing trace with hash 170767195, now seen corresponding path program 1 times [2023-04-02 04:23:22,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:23:22,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480230164] [2023-04-02 04:23:22,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:23:22,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:23:22,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:22,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:23:22,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:22,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:23:22,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:22,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:23:22,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:22,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:23:22,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:22,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:23:22,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:22,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 04:23:22,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:22,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-04-02 04:23:22,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:22,922 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 04:23:22,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:23:22,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480230164] [2023-04-02 04:23:22,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480230164] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:23:22,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:23:22,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 04:23:22,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129312524] [2023-04-02 04:23:22,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:23:22,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 04:23:22,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:23:22,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 04:23:22,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-04-02 04:23:22,925 INFO L87 Difference]: Start difference. First operand 113 states and 131 transitions. Second operand has 8 states, 8 states have (on average 3.875) internal successors, (31), 6 states have internal predecessors, (31), 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 04:23:23,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:23:23,481 INFO L93 Difference]: Finished difference Result 227 states and 279 transitions. [2023-04-02 04:23:23,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-02 04:23:23,482 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 6 states have internal predecessors, (31), 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 51 [2023-04-02 04:23:23,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:23:23,487 INFO L225 Difference]: With dead ends: 227 [2023-04-02 04:23:23,487 INFO L226 Difference]: Without dead ends: 138 [2023-04-02 04:23:23,493 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 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 04:23:23,495 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 259 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-02 04:23:23,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 32 Invalid, 688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-02 04:23:23,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2023-04-02 04:23:23,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 113. [2023-04-02 04:23:23,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 65 states have (on average 1.2307692307692308) internal successors, (80), 73 states have internal predecessors, (80), 27 states have call successors, (27), 24 states have call predecessors, (27), 20 states have return successors, (23), 19 states have call predecessors, (23), 23 states have call successors, (23) [2023-04-02 04:23:23,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 130 transitions. [2023-04-02 04:23:23,557 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 130 transitions. Word has length 51 [2023-04-02 04:23:23,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:23:23,557 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 130 transitions. [2023-04-02 04:23:23,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 6 states have internal predecessors, (31), 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 04:23:23,558 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 130 transitions. [2023-04-02 04:23:23,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-04-02 04:23:23,560 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:23:23,560 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, 1, 1, 1, 1, 1] [2023-04-02 04:23:23,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 04:23:23,561 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:23:23,561 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:23:23,561 INFO L85 PathProgramCache]: Analyzing trace with hash -1468853252, now seen corresponding path program 1 times [2023-04-02 04:23:23,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:23:23,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807573848] [2023-04-02 04:23:23,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:23:23,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:23:23,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:23,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:23:23,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:23,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:23:23,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:23,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:23:23,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:23,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:23:23,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:23,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:23:23,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:23,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 04:23:23,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:23,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:23:23,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:23,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:23:23,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:23,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-04-02 04:23:23,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:23,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-04-02 04:23:23,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:23,854 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 04:23:23,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:23:23,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807573848] [2023-04-02 04:23:23,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807573848] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:23:23,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:23:23,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 04:23:23,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885203089] [2023-04-02 04:23:23,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:23:23,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 04:23:23,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:23:23,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 04:23:23,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2023-04-02 04:23:23,857 INFO L87 Difference]: Start difference. First operand 113 states and 130 transitions. Second operand has 12 states, 12 states have (on average 3.1666666666666665) internal successors, (38), 8 states have internal predecessors, (38), 4 states have call successors, (16), 6 states have call predecessors, (16), 4 states have return successors, (10), 6 states have call predecessors, (10), 4 states have call successors, (10) [2023-04-02 04:23:25,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:23:25,053 INFO L93 Difference]: Finished difference Result 438 states and 579 transitions. [2023-04-02 04:23:25,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-04-02 04:23:25,053 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.1666666666666665) internal successors, (38), 8 states have internal predecessors, (38), 4 states have call successors, (16), 6 states have call predecessors, (16), 4 states have return successors, (10), 6 states have call predecessors, (10), 4 states have call successors, (10) Word has length 64 [2023-04-02 04:23:25,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:23:25,056 INFO L225 Difference]: With dead ends: 438 [2023-04-02 04:23:25,056 INFO L226 Difference]: Without dead ends: 349 [2023-04-02 04:23:25,057 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2023-04-02 04:23:25,058 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 582 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 1133 mSolverCounterSat, 342 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 600 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 1475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 342 IncrementalHoareTripleChecker+Valid, 1133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-04-02 04:23:25,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [600 Valid, 88 Invalid, 1475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [342 Valid, 1133 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-04-02 04:23:25,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2023-04-02 04:23:25,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 280. [2023-04-02 04:23:25,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 166 states have (on average 1.2289156626506024) internal successors, (204), 188 states have internal predecessors, (204), 62 states have call successors, (62), 51 states have call predecessors, (62), 51 states have return successors, (68), 48 states have call predecessors, (68), 58 states have call successors, (68) [2023-04-02 04:23:25,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 334 transitions. [2023-04-02 04:23:25,125 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 334 transitions. Word has length 64 [2023-04-02 04:23:25,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:23:25,126 INFO L495 AbstractCegarLoop]: Abstraction has 280 states and 334 transitions. [2023-04-02 04:23:25,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.1666666666666665) internal successors, (38), 8 states have internal predecessors, (38), 4 states have call successors, (16), 6 states have call predecessors, (16), 4 states have return successors, (10), 6 states have call predecessors, (10), 4 states have call successors, (10) [2023-04-02 04:23:25,127 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 334 transitions. [2023-04-02 04:23:25,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-04-02 04:23:25,129 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:23:25,129 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:23:25,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-02 04:23:25,129 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:23:25,130 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:23:25,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1814142326, now seen corresponding path program 1 times [2023-04-02 04:23:25,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:23:25,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098997159] [2023-04-02 04:23:25,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:23:25,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:23:25,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:25,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:23:25,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:25,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:23:25,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:25,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:23:25,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:25,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:23:25,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:25,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:23:25,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:25,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-04-02 04:23:25,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:25,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 04:23:25,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:25,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:23:25,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:25,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:23:25,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:25,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 04:23:25,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:25,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-04-02 04:23:25,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:25,258 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 04:23:25,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:23:25,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098997159] [2023-04-02 04:23:25,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098997159] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:23:25,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:23:25,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-02 04:23:25,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384565845] [2023-04-02 04:23:25,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:23:25,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-02 04:23:25,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:23:25,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-02 04:23:25,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-04-02 04:23:25,260 INFO L87 Difference]: Start difference. First operand 280 states and 334 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-04-02 04:23:25,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:23:25,486 INFO L93 Difference]: Finished difference Result 434 states and 537 transitions. [2023-04-02 04:23:25,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-02 04:23:25,486 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 68 [2023-04-02 04:23:25,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:23:25,488 INFO L225 Difference]: With dead ends: 434 [2023-04-02 04:23:25,488 INFO L226 Difference]: Without dead ends: 178 [2023-04-02 04:23:25,489 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-04-02 04:23:25,490 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 125 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-02 04:23:25,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 23 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-02 04:23:25,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2023-04-02 04:23:25,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 166. [2023-04-02 04:23:25,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 102 states have (on average 1.1764705882352942) internal successors, (120), 109 states have internal predecessors, (120), 33 states have call successors, (33), 33 states have call predecessors, (33), 30 states have return successors, (30), 29 states have call predecessors, (30), 29 states have call successors, (30) [2023-04-02 04:23:25,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 183 transitions. [2023-04-02 04:23:25,510 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 183 transitions. Word has length 68 [2023-04-02 04:23:25,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:23:25,510 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 183 transitions. [2023-04-02 04:23:25,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-04-02 04:23:25,510 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 183 transitions. [2023-04-02 04:23:25,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-04-02 04:23:25,512 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:23:25,512 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, 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 04:23:25,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-02 04:23:25,512 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:23:25,513 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:23:25,513 INFO L85 PathProgramCache]: Analyzing trace with hash 860805240, now seen corresponding path program 1 times [2023-04-02 04:23:25,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:23:25,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430571875] [2023-04-02 04:23:25,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:23:25,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:23:25,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:25,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:23:25,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:25,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:23:25,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:25,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:23:25,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:25,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:23:25,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:25,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:23:25,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:25,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 04:23:25,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:25,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 04:23:25,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:25,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:23:25,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:25,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:23:25,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:25,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:23:25,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:25,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 04:23:25,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:25,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:23:25,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:25,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-04-02 04:23:25,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:25,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-04-02 04:23:25,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:25,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:23:25,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:25,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:23:25,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:25,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-04-02 04:23:25,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:25,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-04-02 04:23:25,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:25,809 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-04-02 04:23:25,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:23:25,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430571875] [2023-04-02 04:23:25,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430571875] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 04:23:25,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [131476335] [2023-04-02 04:23:25,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:23:25,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:23:25,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:23:25,817 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 04:23:25,825 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 04:23:25,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:25,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 15 conjunts are in the unsatisfiable core [2023-04-02 04:23:25,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 04:23:26,155 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-02 04:23:26,156 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 04:23:26,524 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-04-02 04:23:26,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [131476335] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-02 04:23:26,525 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-02 04:23:26,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 8] total 18 [2023-04-02 04:23:26,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985676458] [2023-04-02 04:23:26,525 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-02 04:23:26,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-04-02 04:23:26,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:23:26,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-04-02 04:23:26,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2023-04-02 04:23:26,529 INFO L87 Difference]: Start difference. First operand 166 states and 183 transitions. Second operand has 18 states, 18 states have (on average 6.222222222222222) internal successors, (112), 12 states have internal predecessors, (112), 7 states have call successors, (55), 11 states have call predecessors, (55), 10 states have return successors, (43), 8 states have call predecessors, (43), 7 states have call successors, (43) [2023-04-02 04:23:27,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:23:27,040 INFO L93 Difference]: Finished difference Result 223 states and 254 transitions. [2023-04-02 04:23:27,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-02 04:23:27,041 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.222222222222222) internal successors, (112), 12 states have internal predecessors, (112), 7 states have call successors, (55), 11 states have call predecessors, (55), 10 states have return successors, (43), 8 states have call predecessors, (43), 7 states have call successors, (43) Word has length 108 [2023-04-02 04:23:27,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:23:27,041 INFO L225 Difference]: With dead ends: 223 [2023-04-02 04:23:27,041 INFO L226 Difference]: Without dead ends: 0 [2023-04-02 04:23:27,042 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 245 SyntacticMatches, 8 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=134, Invalid=418, Unknown=0, NotChecked=0, Total=552 [2023-04-02 04:23:27,043 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 365 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 659 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-02 04:23:27,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [365 Valid, 111 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [194 Valid, 659 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-02 04:23:27,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-02 04:23:27,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-02 04:23:27,044 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 04:23:27,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-02 04:23:27,044 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 108 [2023-04-02 04:23:27,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:23:27,045 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-02 04:23:27,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 6.222222222222222) internal successors, (112), 12 states have internal predecessors, (112), 7 states have call successors, (55), 11 states have call predecessors, (55), 10 states have return successors, (43), 8 states have call predecessors, (43), 7 states have call successors, (43) [2023-04-02 04:23:27,045 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-02 04:23:27,045 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-02 04:23:27,048 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-02 04:23:27,058 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 04:23:27,255 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 04:23:27,258 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-02 04:23:28,909 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-02 04:23:28,910 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 11) no Hoare annotation was computed. [2023-04-02 04:23:28,910 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-02 04:23:28,910 INFO L899 garLoopResultBuilder]: For program point L254(lines 231 255) no Hoare annotation was computed. [2023-04-02 04:23:28,910 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeFINAL(lines 207 262) no Hoare annotation was computed. [2023-04-02 04:23:28,910 INFO L899 garLoopResultBuilder]: For program point L238(lines 238 242) no Hoare annotation was computed. [2023-04-02 04:23:28,910 INFO L899 garLoopResultBuilder]: For program point L238-1(lines 238 242) no Hoare annotation was computed. [2023-04-02 04:23:28,910 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 207 262) no Hoare annotation was computed. [2023-04-02 04:23:28,910 INFO L899 garLoopResultBuilder]: For program point L233(line 233) no Hoare annotation was computed. [2023-04-02 04:23:28,910 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 207 262) no Hoare annotation was computed. [2023-04-02 04:23:28,910 INFO L899 garLoopResultBuilder]: For program point L232-2(lines 232 253) no Hoare annotation was computed. [2023-04-02 04:23:28,910 INFO L899 garLoopResultBuilder]: For program point L289-2(lines 289 314) no Hoare annotation was computed. [2023-04-02 04:23:28,911 INFO L899 garLoopResultBuilder]: For program point L315(lines 288 316) no Hoare annotation was computed. [2023-04-02 04:23:28,911 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 263 322) no Hoare annotation was computed. [2023-04-02 04:23:28,911 INFO L899 garLoopResultBuilder]: For program point L308(line 308) no Hoare annotation was computed. [2023-04-02 04:23:28,911 INFO L899 garLoopResultBuilder]: For program point L308-1(line 308) no Hoare annotation was computed. [2023-04-02 04:23:28,911 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 263 322) no Hoare annotation was computed. [2023-04-02 04:23:28,911 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 263 322) no Hoare annotation was computed. [2023-04-02 04:23:28,911 INFO L899 garLoopResultBuilder]: For program point L295(lines 295 299) no Hoare annotation was computed. [2023-04-02 04:23:28,911 INFO L899 garLoopResultBuilder]: For program point L295-1(lines 295 299) no Hoare annotation was computed. [2023-04-02 04:23:28,911 INFO L899 garLoopResultBuilder]: For program point L290(line 290) no Hoare annotation was computed. [2023-04-02 04:23:28,911 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 616 624) no Hoare annotation was computed. [2023-04-02 04:23:28,911 INFO L899 garLoopResultBuilder]: For program point valid_productFINAL(lines 616 624) no Hoare annotation was computed. [2023-04-02 04:23:28,912 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 616 624) the Hoare annotation is: true [2023-04-02 04:23:28,912 INFO L899 garLoopResultBuilder]: For program point L930-1(lines 922 946) no Hoare annotation was computed. [2023-04-02 04:23:28,912 INFO L902 garLoopResultBuilder]: At program point L928(line 928) the Hoare annotation is: true [2023-04-02 04:23:28,912 INFO L899 garLoopResultBuilder]: For program point L928-1(line 928) no Hoare annotation was computed. [2023-04-02 04:23:28,912 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification4_spec__1EXIT(lines 922 946) no Hoare annotation was computed. [2023-04-02 04:23:28,912 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 922 946) the Hoare annotation is: true [2023-04-02 04:23:28,912 INFO L895 garLoopResultBuilder]: At program point L936(line 936) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0))) [2023-04-02 04:23:28,912 INFO L899 garLoopResultBuilder]: For program point L934(lines 934 940) no Hoare annotation was computed. [2023-04-02 04:23:28,913 INFO L895 garLoopResultBuilder]: At program point L932(line 932) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0))) [2023-04-02 04:23:28,913 INFO L899 garLoopResultBuilder]: For program point L932-1(line 932) no Hoare annotation was computed. [2023-04-02 04:23:28,913 INFO L899 garLoopResultBuilder]: For program point L930(lines 930 943) no Hoare annotation was computed. [2023-04-02 04:23:28,913 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 898 920) no Hoare annotation was computed. [2023-04-02 04:23:28,913 INFO L895 garLoopResultBuilder]: At program point L910(line 910) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= ~waterLevel~0 1) (= main_~tmp~8 1))) [2023-04-02 04:23:28,913 INFO L895 garLoopResultBuilder]: At program point L910-1(line 910) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= ~waterLevel~0 1) (= main_~tmp~8 1))) [2023-04-02 04:23:28,913 INFO L899 garLoopResultBuilder]: For program point mainFINAL(lines 898 920) no Hoare annotation was computed. [2023-04-02 04:23:28,916 INFO L899 garLoopResultBuilder]: For program point L908(lines 908 915) no Hoare annotation was computed. [2023-04-02 04:23:28,916 INFO L899 garLoopResultBuilder]: For program point L908-1(lines 908 915) no Hoare annotation was computed. [2023-04-02 04:23:28,917 INFO L899 garLoopResultBuilder]: For program point L906(line 906) no Hoare annotation was computed. [2023-04-02 04:23:28,917 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 898 920) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= ~waterLevel~0 1))) [2023-04-02 04:23:28,917 INFO L895 garLoopResultBuilder]: At program point L905(line 905) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= ~waterLevel~0 1))) [2023-04-02 04:23:28,917 INFO L895 garLoopResultBuilder]: At program point L904(line 904) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= ~waterLevel~0 1))) [2023-04-02 04:23:28,917 INFO L895 garLoopResultBuilder]: At program point L904-1(line 904) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= ~waterLevel~0 1))) [2023-04-02 04:23:28,917 INFO L899 garLoopResultBuilder]: For program point L865(line 865) no Hoare annotation was computed. [2023-04-02 04:23:28,917 INFO L899 garLoopResultBuilder]: For program point L864(line 864) no Hoare annotation was computed. [2023-04-02 04:23:28,917 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 857 880) no Hoare annotation was computed. [2023-04-02 04:23:28,917 INFO L899 garLoopResultBuilder]: For program point L863(line 863) no Hoare annotation was computed. [2023-04-02 04:23:28,917 INFO L899 garLoopResultBuilder]: For program point L862(line 862) no Hoare annotation was computed. [2023-04-02 04:23:28,918 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 857 880) no Hoare annotation was computed. [2023-04-02 04:23:28,918 INFO L899 garLoopResultBuilder]: For program point L875(line 875) no Hoare annotation was computed. [2023-04-02 04:23:28,918 INFO L899 garLoopResultBuilder]: For program point L874(line 874) no Hoare annotation was computed. [2023-04-02 04:23:28,918 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 857 880) no Hoare annotation was computed. [2023-04-02 04:23:28,918 INFO L899 garLoopResultBuilder]: For program point L873(line 873) no Hoare annotation was computed. [2023-04-02 04:23:28,918 INFO L899 garLoopResultBuilder]: For program point L872(line 872) no Hoare annotation was computed. [2023-04-02 04:23:28,918 INFO L899 garLoopResultBuilder]: For program point L871(line 871) no Hoare annotation was computed. [2023-04-02 04:23:28,918 INFO L899 garLoopResultBuilder]: For program point L870(line 870) no Hoare annotation was computed. [2023-04-02 04:23:28,918 INFO L899 garLoopResultBuilder]: For program point L869(line 869) no Hoare annotation was computed. [2023-04-02 04:23:28,918 INFO L899 garLoopResultBuilder]: For program point L868(line 868) no Hoare annotation was computed. [2023-04-02 04:23:28,918 INFO L899 garLoopResultBuilder]: For program point L867(line 867) no Hoare annotation was computed. [2023-04-02 04:23:28,918 INFO L899 garLoopResultBuilder]: For program point L866(line 866) no Hoare annotation was computed. [2023-04-02 04:23:28,918 INFO L899 garLoopResultBuilder]: For program point L815(lines 815 819) no Hoare annotation was computed. [2023-04-02 04:23:28,918 INFO L902 garLoopResultBuilder]: At program point L813(line 813) the Hoare annotation is: true [2023-04-02 04:23:28,919 INFO L899 garLoopResultBuilder]: For program point L815-2(lines 815 819) no Hoare annotation was computed. [2023-04-02 04:23:28,919 INFO L899 garLoopResultBuilder]: For program point L813-1(line 813) no Hoare annotation was computed. [2023-04-02 04:23:28,919 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 806 824) the Hoare annotation is: true [2023-04-02 04:23:28,919 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevelEXIT(lines 806 824) no Hoare annotation was computed. [2023-04-02 04:23:28,919 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevelFINAL(lines 806 824) no Hoare annotation was computed. [2023-04-02 04:23:28,919 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 602 608) no Hoare annotation was computed. [2023-04-02 04:23:28,919 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 602 608) the Hoare annotation is: true [2023-04-02 04:23:28,919 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeFINAL(lines 474 519) no Hoare annotation was computed. [2023-04-02 04:23:28,919 INFO L899 garLoopResultBuilder]: For program point L494(lines 494 501) no Hoare annotation was computed. [2023-04-02 04:23:28,919 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 474 519) no Hoare annotation was computed. [2023-04-02 04:23:28,919 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 508) no Hoare annotation was computed. [2023-04-02 04:23:28,919 INFO L899 garLoopResultBuilder]: For program point L488-1(lines 488 508) no Hoare annotation was computed. [2023-04-02 04:23:28,919 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 474 519) no Hoare annotation was computed. [2023-04-02 04:23:28,920 INFO L895 garLoopResultBuilder]: At program point L702(line 702) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0))) [2023-04-02 04:23:28,920 INFO L899 garLoopResultBuilder]: For program point L700(lines 700 708) no Hoare annotation was computed. [2023-04-02 04:23:28,920 INFO L895 garLoopResultBuilder]: At program point L698(line 698) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0))) [2023-04-02 04:23:28,920 INFO L899 garLoopResultBuilder]: For program point L698-1(line 698) no Hoare annotation was computed. [2023-04-02 04:23:28,920 INFO L899 garLoopResultBuilder]: For program point L696(lines 696 713) no Hoare annotation was computed. [2023-04-02 04:23:28,920 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 692 716) no Hoare annotation was computed. [2023-04-02 04:23:28,920 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 692 716) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)))) [2023-04-02 04:23:28,920 INFO L895 garLoopResultBuilder]: At program point L711(line 711) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)))) [2023-04-02 04:23:28,920 INFO L899 garLoopResultBuilder]: For program point L711-1(lines 692 716) no Hoare annotation was computed. [2023-04-02 04:23:28,920 INFO L895 garLoopResultBuilder]: At program point L706(line 706) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0))) [2023-04-02 04:23:28,921 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 658 664) no Hoare annotation was computed. [2023-04-02 04:23:28,921 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 658 664) the Hoare annotation is: true [2023-04-02 04:23:28,921 INFO L895 garLoopResultBuilder]: At program point L545(line 545) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2) (not (= |old(~waterLevel~0)| 1)) (not .cse2) (and .cse0 .cse1 .cse2 (= |old(~waterLevel~0)| ~waterLevel~0)))) [2023-04-02 04:23:28,921 INFO L895 garLoopResultBuilder]: At program point L576(lines 533 578) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2) (not (= |old(~waterLevel~0)| 1)) (not .cse2) (and .cse0 .cse1 .cse2 (= |old(~waterLevel~0)| ~waterLevel~0)))) [2023-04-02 04:23:28,921 INFO L899 garLoopResultBuilder]: For program point L543(lines 543 549) no Hoare annotation was computed. [2023-04-02 04:23:28,921 INFO L899 garLoopResultBuilder]: For program point L543-1(lines 543 549) no Hoare annotation was computed. [2023-04-02 04:23:28,921 INFO L899 garLoopResultBuilder]: For program point L535(lines 535 539) no Hoare annotation was computed. [2023-04-02 04:23:28,921 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 523 586) no Hoare annotation was computed. [2023-04-02 04:23:28,921 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 523 586) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= ~waterLevel~0 1))) [2023-04-02 04:23:28,922 INFO L895 garLoopResultBuilder]: At program point L579(lines 532 580) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0))) [2023-04-02 04:23:28,922 INFO L899 garLoopResultBuilder]: For program point L569(lines 569 573) no Hoare annotation was computed. [2023-04-02 04:23:28,922 INFO L895 garLoopResultBuilder]: At program point L569-2(lines 563 574) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2) (not (= |old(~waterLevel~0)| 1)) (not .cse2) (and .cse0 .cse1 .cse2 (= |old(~waterLevel~0)| ~waterLevel~0)))) [2023-04-02 04:23:28,922 INFO L899 garLoopResultBuilder]: For program point L534(lines 533 578) no Hoare annotation was computed. [2023-04-02 04:23:28,922 INFO L899 garLoopResultBuilder]: For program point L563(lines 563 574) no Hoare annotation was computed. [2023-04-02 04:23:28,922 INFO L895 garLoopResultBuilder]: At program point L555(line 555) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2) (not (= |old(~waterLevel~0)| 1)) (not .cse2) (and .cse0 .cse1 .cse2 (= |old(~waterLevel~0)| ~waterLevel~0)))) [2023-04-02 04:23:28,922 INFO L899 garLoopResultBuilder]: For program point L553(lines 553 559) no Hoare annotation was computed. [2023-04-02 04:23:28,922 INFO L899 garLoopResultBuilder]: For program point L553-1(lines 553 559) no Hoare annotation was computed. [2023-04-02 04:23:28,922 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 523 586) no Hoare annotation was computed. [2023-04-02 04:23:28,923 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 717 724) no Hoare annotation was computed. [2023-04-02 04:23:28,923 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 717 724) no Hoare annotation was computed. [2023-04-02 04:23:28,923 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 717 724) no Hoare annotation was computed. [2023-04-02 04:23:28,923 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDryFINAL(lines 136 144) no Hoare annotation was computed. [2023-04-02 04:23:28,923 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 136 144) the Hoare annotation is: true [2023-04-02 04:23:28,923 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDryEXIT(lines 136 144) no Hoare annotation was computed. [2023-04-02 04:23:28,923 INFO L899 garLoopResultBuilder]: For program point L112(lines 112 120) no Hoare annotation was computed. [2023-04-02 04:23:28,923 INFO L899 garLoopResultBuilder]: For program point L112-2(lines 112 120) no Hoare annotation was computed. [2023-04-02 04:23:28,923 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 104 126) no Hoare annotation was computed. [2023-04-02 04:23:28,923 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 104 126) no Hoare annotation was computed. [2023-04-02 04:23:28,923 INFO L899 garLoopResultBuilder]: For program point printEnvironmentFINAL(lines 104 126) no Hoare annotation was computed. [2023-04-02 04:23:28,923 INFO L899 garLoopResultBuilder]: For program point L736(line 736) no Hoare annotation was computed. [2023-04-02 04:23:28,923 INFO L899 garLoopResultBuilder]: For program point L736-1(lines 725 741) no Hoare annotation was computed. [2023-04-02 04:23:28,924 INFO L899 garLoopResultBuilder]: For program point L732(lines 732 738) no Hoare annotation was computed. [2023-04-02 04:23:28,924 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 725 741) no Hoare annotation was computed. [2023-04-02 04:23:28,924 INFO L899 garLoopResultBuilder]: For program point L730(line 730) no Hoare annotation was computed. [2023-04-02 04:23:28,924 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 725 741) no Hoare annotation was computed. [2023-04-02 04:23:28,924 INFO L899 garLoopResultBuilder]: For program point L730-1(line 730) no Hoare annotation was computed. [2023-04-02 04:23:28,924 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 127 135) the Hoare annotation is: true [2023-04-02 04:23:28,924 INFO L899 garLoopResultBuilder]: For program point getWaterLevelFINAL(lines 127 135) no Hoare annotation was computed. [2023-04-02 04:23:28,924 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 127 135) no Hoare annotation was computed. [2023-04-02 04:23:28,924 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 95 103) the Hoare annotation is: true [2023-04-02 04:23:28,924 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 95 103) no Hoare annotation was computed. [2023-04-02 04:23:28,924 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 95 103) no Hoare annotation was computed. [2023-04-02 04:23:28,925 INFO L895 garLoopResultBuilder]: At program point L640(line 640) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1) (or .cse0 .cse1 (< |old(~waterLevel~0)| 2)))) [2023-04-02 04:23:28,925 INFO L899 garLoopResultBuilder]: For program point L638(lines 637 656) no Hoare annotation was computed. [2023-04-02 04:23:28,925 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 634 657) no Hoare annotation was computed. [2023-04-02 04:23:28,925 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 634 657) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (and .cse2 (= ~waterLevel~0 1))) (or .cse0 (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1 (< |old(~waterLevel~0)| 2)))) [2023-04-02 04:23:28,925 INFO L895 garLoopResultBuilder]: At program point L647(line 647) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (and .cse2 (= ~waterLevel~0 1))) (or .cse0 (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1 (< |old(~waterLevel~0)| 2)))) [2023-04-02 04:23:28,925 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 634 657) no Hoare annotation was computed. [2023-04-02 04:23:28,925 INFO L895 garLoopResultBuilder]: At program point L645(lines 645 651) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (and .cse2 (= ~waterLevel~0 1))) (or .cse0 (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1 (< |old(~waterLevel~0)| 2)))) [2023-04-02 04:23:28,925 INFO L902 garLoopResultBuilder]: At program point L833(line 833) the Hoare annotation is: true [2023-04-02 04:23:28,925 INFO L899 garLoopResultBuilder]: For program point L833-1(line 833) no Hoare annotation was computed. [2023-04-02 04:23:28,925 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 827 856) no Hoare annotation was computed. [2023-04-02 04:23:28,926 INFO L902 garLoopResultBuilder]: At program point L852(lines 827 856) the Hoare annotation is: true [2023-04-02 04:23:28,926 INFO L899 garLoopResultBuilder]: For program point L848(line 848) no Hoare annotation was computed. [2023-04-02 04:23:28,926 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 827 856) the Hoare annotation is: true [2023-04-02 04:23:28,926 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 845) no Hoare annotation was computed. [2023-04-02 04:23:28,926 INFO L902 garLoopResultBuilder]: At program point L841-1(lines 841 845) the Hoare annotation is: true [2023-04-02 04:23:28,926 INFO L899 garLoopResultBuilder]: For program point L838(line 838) no Hoare annotation was computed. [2023-04-02 04:23:28,926 INFO L902 garLoopResultBuilder]: At program point L837-2(lines 837 851) the Hoare annotation is: true [2023-04-02 04:23:28,926 INFO L899 garLoopResultBuilder]: For program point L63-1(lines 59 70) no Hoare annotation was computed. [2023-04-02 04:23:28,926 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 59 70) no Hoare annotation was computed. [2023-04-02 04:23:28,926 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 59 70) the Hoare annotation is: true [2023-04-02 04:23:28,926 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2023-04-02 04:23:28,926 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 71 82) no Hoare annotation was computed. [2023-04-02 04:23:28,927 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 71 82) 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 04:23:28,927 INFO L899 garLoopResultBuilder]: For program point __automaton_failFINAL(lines 146 153) no Hoare annotation was computed. [2023-04-02 04:23:28,927 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 146 153) the Hoare annotation is: true [2023-04-02 04:23:28,927 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 150) no Hoare annotation was computed. [2023-04-02 04:23:28,927 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 146 153) no Hoare annotation was computed. [2023-04-02 04:23:28,927 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 609 615) the Hoare annotation is: true [2023-04-02 04:23:28,927 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 609 615) no Hoare annotation was computed. [2023-04-02 04:23:28,927 INFO L895 garLoopResultBuilder]: At program point L672(line 672) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0))) [2023-04-02 04:23:28,927 INFO L899 garLoopResultBuilder]: For program point L672-1(line 672) no Hoare annotation was computed. [2023-04-02 04:23:28,927 INFO L899 garLoopResultBuilder]: For program point L670(lines 670 687) no Hoare annotation was computed. [2023-04-02 04:23:28,928 INFO L895 garLoopResultBuilder]: At program point L685(line 685) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)))) [2023-04-02 04:23:28,928 INFO L899 garLoopResultBuilder]: For program point L685-1(lines 666 690) no Hoare annotation was computed. [2023-04-02 04:23:28,928 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 666 690) no Hoare annotation was computed. [2023-04-02 04:23:28,928 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 666 690) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)))) [2023-04-02 04:23:28,928 INFO L895 garLoopResultBuilder]: At program point L680(line 680) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0))) [2023-04-02 04:23:28,928 INFO L895 garLoopResultBuilder]: At program point L676(line 676) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0))) [2023-04-02 04:23:28,928 INFO L899 garLoopResultBuilder]: For program point L674(lines 674 682) no Hoare annotation was computed. [2023-04-02 04:23:28,928 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 761 769) no Hoare annotation was computed. [2023-04-02 04:23:28,932 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 761 769) no Hoare annotation was computed. [2023-04-02 04:23:28,932 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 761 769) the Hoare annotation is: true [2023-04-02 04:23:28,932 INFO L899 garLoopResultBuilder]: For program point L800(line 800) no Hoare annotation was computed. [2023-04-02 04:23:28,932 INFO L899 garLoopResultBuilder]: For program point L800-1(line 800) no Hoare annotation was computed. [2023-04-02 04:23:28,932 INFO L899 garLoopResultBuilder]: For program point L789(lines 789 797) no Hoare annotation was computed. [2023-04-02 04:23:28,932 INFO L899 garLoopResultBuilder]: For program point L789-2(lines 789 797) no Hoare annotation was computed. [2023-04-02 04:23:28,933 INFO L899 garLoopResultBuilder]: For program point printPumpFINAL(lines 770 805) no Hoare annotation was computed. [2023-04-02 04:23:28,933 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 770 805) no Hoare annotation was computed. [2023-04-02 04:23:28,934 INFO L899 garLoopResultBuilder]: For program point L777(lines 777 785) no Hoare annotation was computed. [2023-04-02 04:23:28,934 INFO L899 garLoopResultBuilder]: For program point L777-2(lines 777 785) no Hoare annotation was computed. [2023-04-02 04:23:28,934 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 770 805) no Hoare annotation was computed. [2023-04-02 04:23:28,934 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 161 206) no Hoare annotation was computed. [2023-04-02 04:23:28,934 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 161 206) no Hoare annotation was computed. [2023-04-02 04:23:28,934 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setFINAL(lines 161 206) no Hoare annotation was computed. [2023-04-02 04:23:28,934 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 888 897) no Hoare annotation was computed. [2023-04-02 04:23:28,934 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 888 897) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= ~waterLevel~0 1))) [2023-04-02 04:23:28,934 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 888 897) no Hoare annotation was computed. [2023-04-02 04:23:28,934 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 750 760) no Hoare annotation was computed. [2023-04-02 04:23:28,934 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 750 760) the Hoare annotation is: true [2023-04-02 04:23:28,935 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 750 760) no Hoare annotation was computed. [2023-04-02 04:23:28,935 INFO L902 garLoopResultBuilder]: At program point L755(line 755) the Hoare annotation is: true [2023-04-02 04:23:28,935 INFO L899 garLoopResultBuilder]: For program point L755-1(line 755) no Hoare annotation was computed. [2023-04-02 04:23:28,935 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 742 749) no Hoare annotation was computed. [2023-04-02 04:23:28,935 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 742 749) the Hoare annotation is: true [2023-04-02 04:23:28,935 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 742 749) no Hoare annotation was computed. [2023-04-02 04:23:28,935 INFO L899 garLoopResultBuilder]: For program point L448(lines 448 455) no Hoare annotation was computed. [2023-04-02 04:23:28,935 INFO L899 garLoopResultBuilder]: For program point L442(lines 442 462) no Hoare annotation was computed. [2023-04-02 04:23:28,935 INFO L899 garLoopResultBuilder]: For program point L442-1(lines 442 462) no Hoare annotation was computed. [2023-04-02 04:23:28,935 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 428 473) no Hoare annotation was computed. [2023-04-02 04:23:28,936 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argFINAL(lines 428 473) no Hoare annotation was computed. [2023-04-02 04:23:28,936 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 428 473) no Hoare annotation was computed. [2023-04-02 04:23:28,936 INFO L899 garLoopResultBuilder]: For program point L349(lines 349 353) no Hoare annotation was computed. [2023-04-02 04:23:28,936 INFO L899 garLoopResultBuilder]: For program point L413(lines 413 424) no Hoare annotation was computed. [2023-04-02 04:23:28,936 INFO L899 garLoopResultBuilder]: For program point L376(lines 376 380) no Hoare annotation was computed. [2023-04-02 04:23:28,936 INFO L899 garLoopResultBuilder]: For program point L374-2(lines 374 394) no Hoare annotation was computed. [2023-04-02 04:23:28,937 INFO L899 garLoopResultBuilder]: For program point L395(lines 373 396) no Hoare annotation was computed. [2023-04-02 04:23:28,937 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 325 427) no Hoare annotation was computed. [2023-04-02 04:23:28,937 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 325 427) no Hoare annotation was computed. [2023-04-02 04:23:28,937 INFO L899 garLoopResultBuilder]: For program point L354(lines 354 370) no Hoare annotation was computed. [2023-04-02 04:23:28,937 INFO L899 garLoopResultBuilder]: For program point L414(lines 414 421) no Hoare annotation was computed. [2023-04-02 04:23:28,937 INFO L899 garLoopResultBuilder]: For program point L375(lines 374 394) no Hoare annotation was computed. [2023-04-02 04:23:28,937 INFO L899 garLoopResultBuilder]: For program point L406(line 406) no Hoare annotation was computed. [2023-04-02 04:23:28,937 INFO L899 garLoopResultBuilder]: For program point L406-1(line 406) no Hoare annotation was computed. [2023-04-02 04:23:28,937 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 412) no Hoare annotation was computed. [2023-04-02 04:23:28,937 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 325 427) no Hoare annotation was computed. [2023-04-02 04:23:28,937 INFO L899 garLoopResultBuilder]: For program point L390(line 390) no Hoare annotation was computed. [2023-04-02 04:23:28,938 INFO L899 garLoopResultBuilder]: For program point L390-1(line 390) no Hoare annotation was computed. [2023-04-02 04:23:28,938 INFO L899 garLoopResultBuilder]: For program point select_oneFINAL(lines 592 601) no Hoare annotation was computed. [2023-04-02 04:23:28,938 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 592 601) no Hoare annotation was computed. [2023-04-02 04:23:28,938 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 592 601) no Hoare annotation was computed. [2023-04-02 04:23:28,938 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-04-02 04:23:28,938 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 04:23:28,938 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-02 04:23:28,939 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 83 94) 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 04:23:28,939 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 83 94) no Hoare annotation was computed. [2023-04-02 04:23:28,939 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2023-04-02 04:23:28,939 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-02 04:23:28,939 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2023-04-02 04:23:28,941 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-02 04:23:28,941 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 881 887) no Hoare annotation was computed. [2023-04-02 04:23:28,941 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 881 887) the Hoare annotation is: true [2023-04-02 04:23:28,941 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-02 04:23:28,941 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 04:23:28,941 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-02 04:23:28,941 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-02 04:23:28,944 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-04-02 04:23:28,946 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-02 04:23:28,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.04 04:23:28 BoogieIcfgContainer [2023-04-02 04:23:28,966 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-02 04:23:28,966 INFO L158 Benchmark]: Toolchain (without parser) took 9139.20ms. Allocated memory was 270.5MB in the beginning and 355.5MB in the end (delta: 84.9MB). Free memory was 236.5MB in the beginning and 213.2MB in the end (delta: 23.3MB). Peak memory consumption was 206.0MB. Max. memory is 8.0GB. [2023-04-02 04:23:28,966 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 181.4MB. Free memory is still 133.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-02 04:23:28,966 INFO L158 Benchmark]: CACSL2BoogieTranslator took 435.44ms. Allocated memory is still 270.5MB. Free memory was 236.5MB in the beginning and 217.9MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-04-02 04:23:28,967 INFO L158 Benchmark]: Boogie Preprocessor took 71.37ms. Allocated memory is still 270.5MB. Free memory was 217.9MB in the beginning and 214.8MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-02 04:23:28,967 INFO L158 Benchmark]: RCFGBuilder took 766.57ms. Allocated memory is still 270.5MB. Free memory was 214.8MB in the beginning and 174.9MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 8.0GB. [2023-04-02 04:23:28,967 INFO L158 Benchmark]: TraceAbstraction took 7859.00ms. Allocated memory was 270.5MB in the beginning and 355.5MB in the end (delta: 84.9MB). Free memory was 174.4MB in the beginning and 213.2MB in the end (delta: -38.8MB). Peak memory consumption was 144.1MB. Max. memory is 8.0GB. [2023-04-02 04:23:28,968 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 181.4MB. Free memory is still 133.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 435.44ms. Allocated memory is still 270.5MB. Free memory was 236.5MB in the beginning and 217.9MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 71.37ms. Allocated memory is still 270.5MB. Free memory was 217.9MB in the beginning and 214.8MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 766.57ms. Allocated memory is still 270.5MB. Free memory was 214.8MB in the beginning and 174.9MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 8.0GB. * TraceAbstraction took 7859.00ms. Allocated memory was 270.5MB in the beginning and 355.5MB in the end (delta: 84.9MB). Free memory was 174.4MB in the beginning and 213.2MB in the end (delta: -38.8MB). Peak memory consumption was 144.1MB. 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: 150]: 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 40 procedures, 234 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.8s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1574 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1523 mSDsluCounter, 299 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 227 mSDsCounter, 828 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2936 IncrementalHoareTripleChecker+Invalid, 3764 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 828 mSolverCounterUnsat, 72 mSDtfsCounter, 2936 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 413 GetRequests, 337 SyntacticMatches, 8 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=280occurred in iteration=4, InterpolantAutomatonStates: 53, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 163 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 412 PreInvPairs, 432 NumberOfFragments, 855 HoareAnnotationTreeSize, 412 FomulaSimplifications, 6791 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 57 FomulaSimplificationsInter, 1450 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 492 NumberOfCodeBlocks, 492 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 592 ConstructedInterpolants, 0 QuantifiedInterpolants, 1328 SizeOfPredicates, 3 NumberOfNonLiveVariables, 390 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 102/108 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: 532]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive) - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (((pumpRunning == 0 && splverifierCounter == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel) RESULT: Ultimate proved your program to be correct! [2023-04-02 04:23:28,988 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...