/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/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/product-lines/minepump_spec5_product63.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 01:10:44,677 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 01:10:44,678 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 01:10:44,707 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 01:10:44,707 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 01:10:44,708 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 01:10:44,709 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 01:10:44,710 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 01:10:44,712 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 01:10:44,712 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 01:10:44,713 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 01:10:44,714 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 01:10:44,714 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 01:10:44,715 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 01:10:44,716 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 01:10:44,717 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 01:10:44,717 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 01:10:44,718 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 01:10:44,719 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 01:10:44,721 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 01:10:44,722 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 01:10:44,723 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 01:10:44,724 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 01:10:44,724 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 01:10:44,727 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 01:10:44,727 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 01:10:44,728 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 01:10:44,728 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 01:10:44,729 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 01:10:44,730 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 01:10:44,730 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 01:10:44,730 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 01:10:44,731 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 01:10:44,732 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 01:10:44,732 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 01:10:44,733 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 01:10:44,733 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 01:10:44,734 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 01:10:44,734 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 01:10:44,735 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 01:10:44,735 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 01:10:44,743 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-03 01:10:44,771 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 01:10:44,771 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 01:10:44,772 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 01:10:44,772 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 01:10:44,773 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 01:10:44,773 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 01:10:44,773 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 01:10:44,773 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 01:10:44,773 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 01:10:44,773 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 01:10:44,774 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 01:10:44,774 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 01:10:44,774 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 01:10:44,774 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 01:10:44,774 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 01:10:44,775 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 01:10:44,775 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 01:10:44,775 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 01:10:44,775 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 01:10:44,775 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 01:10:44,775 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 01:10:44,775 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 01:10:44,776 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 01:10:44,776 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 01:10:44,776 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 01:10:44,776 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 01:10:44,776 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 01:10:44,776 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 01:10:44,776 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 01:10:44,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 01:10:44,777 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 01:10:44,777 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 01:10:44,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:10:44,777 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 01:10:44,777 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 01:10:44,777 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 01:10:44,778 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 01:10:44,778 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 01:10:44,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 01:10:44,778 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 01:10:44,778 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 01:10:44,778 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 01:10:44,979 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 01:10:45,000 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 01:10:45,002 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 01:10:45,003 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 01:10:45,004 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 01:10:45,005 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product63.cil.c [2023-04-03 01:10:46,135 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 01:10:46,453 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 01:10:46,453 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product63.cil.c [2023-04-03 01:10:46,462 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/451b9efc4/4f4057b1c13c4fc29810279eae3c9f6b/FLAG6c5de0c8b [2023-04-03 01:10:46,472 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/451b9efc4/4f4057b1c13c4fc29810279eae3c9f6b [2023-04-03 01:10:46,474 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 01:10:46,475 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 01:10:46,476 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 01:10:46,476 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 01:10:46,481 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 01:10:46,482 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:10:46" (1/1) ... [2023-04-03 01:10:46,482 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bd4ef94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:46, skipping insertion in model container [2023-04-03 01:10:46,483 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:10:46" (1/1) ... [2023-04-03 01:10:46,489 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 01:10:46,527 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 01:10:46,674 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_spec5_product63.cil.c[2897,2910] [2023-04-03 01:10:46,743 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:10:46,759 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 01:10:46,789 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_spec5_product63.cil.c[2897,2910] [2023-04-03 01:10:46,856 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:10:46,888 INFO L208 MainTranslator]: Completed translation [2023-04-03 01:10:46,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:46 WrapperNode [2023-04-03 01:10:46,889 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 01:10:46,890 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 01:10:46,890 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 01:10:46,890 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 01:10:46,900 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:46" (1/1) ... [2023-04-03 01:10:46,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:46" (1/1) ... [2023-04-03 01:10:46,921 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:46" (1/1) ... [2023-04-03 01:10:46,921 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:46" (1/1) ... [2023-04-03 01:10:46,959 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:46" (1/1) ... [2023-04-03 01:10:46,970 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:46" (1/1) ... [2023-04-03 01:10:46,976 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:46" (1/1) ... [2023-04-03 01:10:46,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:46" (1/1) ... [2023-04-03 01:10:46,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 01:10:46,982 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 01:10:46,987 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 01:10:46,987 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 01:10:46,988 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:46" (1/1) ... [2023-04-03 01:10:46,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:10:47,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:10:47,012 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) [2023-04-03 01:10:47,018 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 [2023-04-03 01:10:47,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 01:10:47,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 01:10:47,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 01:10:47,084 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 01:10:47,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2023-04-03 01:10:47,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2023-04-03 01:10:47,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2023-04-03 01:10:47,086 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 01:10:47,086 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 01:10:47,086 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 01:10:47,086 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 01:10:47,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 01:10:47,086 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 01:10:47,086 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-03 01:10:47,086 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-03 01:10:47,086 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 01:10:47,086 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-03 01:10:47,087 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 01:10:47,087 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-03 01:10:47,087 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-04-03 01:10:47,087 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-04-03 01:10:47,087 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-04-03 01:10:47,087 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-03 01:10:47,087 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2023-04-03 01:10:47,088 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-03 01:10:47,088 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-03 01:10:47,088 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-03 01:10:47,088 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-03 01:10:47,088 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-03 01:10:47,088 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-04-03 01:10:47,088 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2023-04-03 01:10:47,088 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2023-04-03 01:10:47,088 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-03 01:10:47,088 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-03 01:10:47,089 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-03 01:10:47,089 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-03 01:10:47,089 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-03 01:10:47,089 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-03 01:10:47,089 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-04-03 01:10:47,089 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2023-04-03 01:10:47,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 01:10:47,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 01:10:47,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 01:10:47,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 01:10:47,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 01:10:47,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 01:10:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 01:10:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 01:10:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 01:10:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 01:10:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 01:10:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 01:10:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 01:10:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-03 01:10:47,093 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-03 01:10:47,093 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2023-04-03 01:10:47,093 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2023-04-03 01:10:47,093 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2023-04-03 01:10:47,094 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 01:10:47,094 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 01:10:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 01:10:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 01:10:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-03 01:10:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-03 01:10:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2023-04-03 01:10:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-03 01:10:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-03 01:10:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 01:10:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-03 01:10:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-03 01:10:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 01:10:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-03 01:10:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 01:10:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-03 01:10:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-03 01:10:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-03 01:10:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-04-03 01:10:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2023-04-03 01:10:47,097 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-03 01:10:47,097 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-03 01:10:47,097 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-03 01:10:47,097 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-04-03 01:10:47,097 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-04-03 01:10:47,098 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-04-03 01:10:47,098 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2023-04-03 01:10:47,098 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-04-03 01:10:47,098 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-03 01:10:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2023-04-03 01:10:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 01:10:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 01:10:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 01:10:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 01:10:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 01:10:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 01:10:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 01:10:47,100 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 01:10:47,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 01:10:47,100 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 01:10:47,100 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 01:10:47,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 01:10:47,100 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 01:10:47,100 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 01:10:47,100 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 01:10:47,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 01:10:47,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 01:10:47,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 01:10:47,302 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 01:10:47,304 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 01:10:47,818 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 01:10:47,949 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 01:10:47,949 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-03 01:10:47,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:10:47 BoogieIcfgContainer [2023-04-03 01:10:47,952 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 01:10:47,954 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 01:10:47,954 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 01:10:47,956 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 01:10:47,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 01:10:46" (1/3) ... [2023-04-03 01:10:47,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40c7f007 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:10:47, skipping insertion in model container [2023-04-03 01:10:47,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:46" (2/3) ... [2023-04-03 01:10:47,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40c7f007 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:10:47, skipping insertion in model container [2023-04-03 01:10:47,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:10:47" (3/3) ... [2023-04-03 01:10:47,959 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product63.cil.c [2023-04-03 01:10:47,973 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 01:10:47,973 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 01:10:48,032 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 01:10:48,037 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=FINITE_AUTOMATA, 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;@1d84e81d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 01:10:48,037 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 01:10:48,041 INFO L276 IsEmpty]: Start isEmpty. Operand has 177 states, 82 states have (on average 1.2804878048780488) internal successors, (105), 99 states have internal predecessors, (105), 57 states have call successors, (57), 35 states have call predecessors, (57), 35 states have return successors, (57), 51 states have call predecessors, (57), 57 states have call successors, (57) [2023-04-03 01:10:48,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-04-03 01:10:48,049 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:48,050 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:10:48,051 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:48,055 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:48,055 INFO L85 PathProgramCache]: Analyzing trace with hash -1988992030, now seen corresponding path program 1 times [2023-04-03 01:10:48,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:48,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945324842] [2023-04-03 01:10:48,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:48,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:48,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:48,335 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 01:10:48,335 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:48,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945324842] [2023-04-03 01:10:48,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945324842] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:10:48,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:10:48,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 01:10:48,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760961158] [2023-04-03 01:10:48,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:10:48,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 01:10:48,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:48,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 01:10:48,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 01:10:48,391 INFO L87 Difference]: Start difference. First operand has 177 states, 82 states have (on average 1.2804878048780488) internal successors, (105), 99 states have internal predecessors, (105), 57 states have call successors, (57), 35 states have call predecessors, (57), 35 states have return successors, (57), 51 states have call predecessors, (57), 57 states have call successors, (57) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-03 01:10:48,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:48,493 INFO L93 Difference]: Finished difference Result 284 states and 349 transitions. [2023-04-03 01:10:48,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 01:10:48,496 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 52 [2023-04-03 01:10:48,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:48,506 INFO L225 Difference]: With dead ends: 284 [2023-04-03 01:10:48,506 INFO L226 Difference]: Without dead ends: 144 [2023-04-03 01:10:48,511 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 01:10:48,517 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:48,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 160 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:10:48,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2023-04-03 01:10:48,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2023-04-03 01:10:48,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 73 states have (on average 1.2465753424657535) internal successors, (91), 87 states have internal predecessors, (91), 42 states have call successors, (42), 33 states have call predecessors, (42), 28 states have return successors, (37), 31 states have call predecessors, (37), 37 states have call successors, (37) [2023-04-03 01:10:48,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 170 transitions. [2023-04-03 01:10:48,584 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 170 transitions. Word has length 52 [2023-04-03 01:10:48,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:48,585 INFO L495 AbstractCegarLoop]: Abstraction has 144 states and 170 transitions. [2023-04-03 01:10:48,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-03 01:10:48,585 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 170 transitions. [2023-04-03 01:10:48,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-04-03 01:10:48,587 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:48,587 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:10:48,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 01:10:48,588 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:48,588 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:48,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1519709121, now seen corresponding path program 1 times [2023-04-03 01:10:48,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:48,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782386135] [2023-04-03 01:10:48,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:48,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:48,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:48,715 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 01:10:48,716 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:48,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782386135] [2023-04-03 01:10:48,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782386135] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:10:48,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:10:48,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 01:10:48,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195448856] [2023-04-03 01:10:48,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:10:48,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 01:10:48,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:48,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 01:10:48,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:10:48,719 INFO L87 Difference]: Start difference. First operand 144 states and 170 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-03 01:10:48,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:48,765 INFO L93 Difference]: Finished difference Result 235 states and 277 transitions. [2023-04-03 01:10:48,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 01:10:48,766 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 53 [2023-04-03 01:10:48,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:48,768 INFO L225 Difference]: With dead ends: 235 [2023-04-03 01:10:48,768 INFO L226 Difference]: Without dead ends: 136 [2023-04-03 01:10:48,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:10:48,770 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 11 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:48,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 264 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:10:48,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2023-04-03 01:10:48,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2023-04-03 01:10:48,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 68 states have (on average 1.25) internal successors, (85), 82 states have internal predecessors, (85), 39 states have call successors, (39), 32 states have call predecessors, (39), 28 states have return successors, (35), 29 states have call predecessors, (35), 35 states have call successors, (35) [2023-04-03 01:10:48,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 159 transitions. [2023-04-03 01:10:48,785 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 159 transitions. Word has length 53 [2023-04-03 01:10:48,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:48,786 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 159 transitions. [2023-04-03 01:10:48,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-03 01:10:48,787 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 159 transitions. [2023-04-03 01:10:48,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-04-03 01:10:48,795 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:48,795 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:10:48,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 01:10:48,796 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:48,796 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:48,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1047232873, now seen corresponding path program 1 times [2023-04-03 01:10:48,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:48,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791175377] [2023-04-03 01:10:48,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:48,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:48,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:49,035 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 01:10:49,035 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:49,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791175377] [2023-04-03 01:10:49,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791175377] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:10:49,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:10:49,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-03 01:10:49,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991073195] [2023-04-03 01:10:49,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:10:49,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 01:10:49,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:49,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 01:10:49,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-04-03 01:10:49,038 INFO L87 Difference]: Start difference. First operand 136 states and 159 transitions. Second operand has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 4 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2023-04-03 01:10:49,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:49,454 INFO L93 Difference]: Finished difference Result 407 states and 491 transitions. [2023-04-03 01:10:49,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 01:10:49,455 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 4 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) Word has length 56 [2023-04-03 01:10:49,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:49,463 INFO L225 Difference]: With dead ends: 407 [2023-04-03 01:10:49,463 INFO L226 Difference]: Without dead ends: 296 [2023-04-03 01:10:49,469 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-03 01:10:49,473 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 267 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 627 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:49,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 627 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 338 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-03 01:10:49,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2023-04-03 01:10:49,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 288. [2023-04-03 01:10:49,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 150 states have (on average 1.28) internal successors, (192), 178 states have internal predecessors, (192), 79 states have call successors, (79), 64 states have call predecessors, (79), 58 states have return successors, (76), 59 states have call predecessors, (76), 75 states have call successors, (76) [2023-04-03 01:10:49,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 347 transitions. [2023-04-03 01:10:49,535 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 347 transitions. Word has length 56 [2023-04-03 01:10:49,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:49,535 INFO L495 AbstractCegarLoop]: Abstraction has 288 states and 347 transitions. [2023-04-03 01:10:49,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 4 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2023-04-03 01:10:49,536 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 347 transitions. [2023-04-03 01:10:49,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-04-03 01:10:49,538 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:49,538 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:10:49,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 01:10:49,538 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:49,539 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:49,539 INFO L85 PathProgramCache]: Analyzing trace with hash -423829425, now seen corresponding path program 1 times [2023-04-03 01:10:49,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:49,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375780992] [2023-04-03 01:10:49,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:49,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:49,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:49,717 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-03 01:10:49,717 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:49,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375780992] [2023-04-03 01:10:49,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375780992] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:10:49,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:10:49,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 01:10:49,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751290511] [2023-04-03 01:10:49,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:10:49,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 01:10:49,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:49,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 01:10:49,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-03 01:10:49,721 INFO L87 Difference]: Start difference. First operand 288 states and 347 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2023-04-03 01:10:49,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:49,960 INFO L93 Difference]: Finished difference Result 678 states and 852 transitions. [2023-04-03 01:10:49,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-03 01:10:49,961 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 61 [2023-04-03 01:10:49,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:49,966 INFO L225 Difference]: With dead ends: 678 [2023-04-03 01:10:49,966 INFO L226 Difference]: Without dead ends: 415 [2023-04-03 01:10:49,968 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-04-03 01:10:49,977 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 110 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:49,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 562 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 01:10:49,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2023-04-03 01:10:50,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 401. [2023-04-03 01:10:50,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 219 states have (on average 1.2191780821917808) internal successors, (267), 241 states have internal predecessors, (267), 97 states have call successors, (97), 88 states have call predecessors, (97), 84 states have return successors, (113), 84 states have call predecessors, (113), 93 states have call successors, (113) [2023-04-03 01:10:50,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 477 transitions. [2023-04-03 01:10:50,037 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 477 transitions. Word has length 61 [2023-04-03 01:10:50,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:50,038 INFO L495 AbstractCegarLoop]: Abstraction has 401 states and 477 transitions. [2023-04-03 01:10:50,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2023-04-03 01:10:50,038 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 477 transitions. [2023-04-03 01:10:50,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-04-03 01:10:50,041 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:50,041 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:10:50,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 01:10:50,042 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:50,043 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:50,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1443013067, now seen corresponding path program 1 times [2023-04-03 01:10:50,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:50,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546347541] [2023-04-03 01:10:50,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:50,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:50,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:50,492 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 01:10:50,492 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:50,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546347541] [2023-04-03 01:10:50,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546347541] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:10:50,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:10:50,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-03 01:10:50,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076824652] [2023-04-03 01:10:50,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:10:50,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-03 01:10:50,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:50,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-03 01:10:50,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2023-04-03 01:10:50,495 INFO L87 Difference]: Start difference. First operand 401 states and 477 transitions. Second operand has 12 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 4 states have call successors, (25), 3 states have call predecessors, (25), 6 states have return successors, (19), 7 states have call predecessors, (19), 4 states have call successors, (19) [2023-04-03 01:10:50,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:50,981 INFO L93 Difference]: Finished difference Result 1215 states and 1489 transitions. [2023-04-03 01:10:50,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-04-03 01:10:50,982 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 4 states have call successors, (25), 3 states have call predecessors, (25), 6 states have return successors, (19), 7 states have call predecessors, (19), 4 states have call successors, (19) Word has length 96 [2023-04-03 01:10:50,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:50,986 INFO L225 Difference]: With dead ends: 1215 [2023-04-03 01:10:50,986 INFO L226 Difference]: Without dead ends: 839 [2023-04-03 01:10:50,988 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2023-04-03 01:10:50,988 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 281 mSDsluCounter, 905 mSDsCounter, 0 mSdLazyCounter, 654 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 1111 SdHoareTripleChecker+Invalid, 742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:50,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 1111 Invalid, 742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 654 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-03 01:10:50,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2023-04-03 01:10:51,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 821. [2023-04-03 01:10:51,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 821 states, 464 states have (on average 1.2133620689655173) internal successors, (563), 500 states have internal predecessors, (563), 186 states have call successors, (186), 169 states have call predecessors, (186), 170 states have return successors, (244), 180 states have call predecessors, (244), 182 states have call successors, (244) [2023-04-03 01:10:51,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 993 transitions. [2023-04-03 01:10:51,076 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 993 transitions. Word has length 96 [2023-04-03 01:10:51,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:51,076 INFO L495 AbstractCegarLoop]: Abstraction has 821 states and 993 transitions. [2023-04-03 01:10:51,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 4 states have call successors, (25), 3 states have call predecessors, (25), 6 states have return successors, (19), 7 states have call predecessors, (19), 4 states have call successors, (19) [2023-04-03 01:10:51,077 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 993 transitions. [2023-04-03 01:10:51,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-04-03 01:10:51,078 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:51,078 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:10:51,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 01:10:51,079 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:51,079 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:51,079 INFO L85 PathProgramCache]: Analyzing trace with hash -2043476735, now seen corresponding path program 1 times [2023-04-03 01:10:51,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:51,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3173972] [2023-04-03 01:10:51,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:51,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:51,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:51,418 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 01:10:51,418 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:51,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3173972] [2023-04-03 01:10:51,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3173972] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:10:51,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:10:51,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-04-03 01:10:51,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961810202] [2023-04-03 01:10:51,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:10:51,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-03 01:10:51,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:51,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-03 01:10:51,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-04-03 01:10:51,420 INFO L87 Difference]: Start difference. First operand 821 states and 993 transitions. Second operand has 9 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 4 states have call successors, (26), 5 states have call predecessors, (26), 4 states have return successors, (20), 5 states have call predecessors, (20), 4 states have call successors, (20) [2023-04-03 01:10:52,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:52,359 INFO L93 Difference]: Finished difference Result 2663 states and 3322 transitions. [2023-04-03 01:10:52,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-03 01:10:52,360 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 4 states have call successors, (26), 5 states have call predecessors, (26), 4 states have return successors, (20), 5 states have call predecessors, (20), 4 states have call successors, (20) Word has length 99 [2023-04-03 01:10:52,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:52,369 INFO L225 Difference]: With dead ends: 2663 [2023-04-03 01:10:52,370 INFO L226 Difference]: Without dead ends: 2027 [2023-04-03 01:10:52,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2023-04-03 01:10:52,372 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 403 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 1082 mSolverCounterSat, 266 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 1348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 266 IncrementalHoareTripleChecker+Valid, 1082 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:52,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [432 Valid, 309 Invalid, 1348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [266 Valid, 1082 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-03 01:10:52,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2027 states. [2023-04-03 01:10:52,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2027 to 1739. [2023-04-03 01:10:52,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1739 states, 980 states have (on average 1.2142857142857142) internal successors, (1190), 1051 states have internal predecessors, (1190), 388 states have call successors, (388), 345 states have call predecessors, (388), 370 states have return successors, (549), 397 states have call predecessors, (549), 384 states have call successors, (549) [2023-04-03 01:10:52,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1739 states to 1739 states and 2127 transitions. [2023-04-03 01:10:52,552 INFO L78 Accepts]: Start accepts. Automaton has 1739 states and 2127 transitions. Word has length 99 [2023-04-03 01:10:52,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:52,552 INFO L495 AbstractCegarLoop]: Abstraction has 1739 states and 2127 transitions. [2023-04-03 01:10:52,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 4 states have call successors, (26), 5 states have call predecessors, (26), 4 states have return successors, (20), 5 states have call predecessors, (20), 4 states have call successors, (20) [2023-04-03 01:10:52,552 INFO L276 IsEmpty]: Start isEmpty. Operand 1739 states and 2127 transitions. [2023-04-03 01:10:52,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-04-03 01:10:52,556 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:52,556 INFO L195 NwaCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:10:52,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 01:10:52,556 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:52,557 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:52,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1472832575, now seen corresponding path program 1 times [2023-04-03 01:10:52,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:52,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920976433] [2023-04-03 01:10:52,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:52,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:52,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:52,792 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-04-03 01:10:52,793 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:52,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920976433] [2023-04-03 01:10:52,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920976433] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:10:52,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1343240014] [2023-04-03 01:10:52,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:52,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:10:52,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:10:52,796 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) [2023-04-03 01:10:52,798 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-03 01:10:52,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:52,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 599 conjuncts, 8 conjunts are in the unsatisfiable core [2023-04-03 01:10:52,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:10:53,223 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 31 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:10:53,224 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 01:10:53,739 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-04-03 01:10:53,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1343240014] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 01:10:53,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [628874547] [2023-04-03 01:10:53,767 INFO L159 IcfgInterpreter]: Started Sifa with 122 locations of interest [2023-04-03 01:10:53,767 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 01:10:53,771 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 01:10:53,776 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 01:10:53,776 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 01:10:54,021 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 31 for LOIs [2023-04-03 01:10:54,071 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 36 for LOIs [2023-04-03 01:10:54,379 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 36 for LOIs [2023-04-03 01:10:54,475 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 36 for LOIs [2023-04-03 01:10:58,995 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 86 for LOIs [2023-04-03 01:10:59,024 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 44 for LOIs [2023-04-03 01:10:59,391 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 33 for LOIs [2023-04-03 01:10:59,399 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 54 for LOIs [2023-04-03 01:10:59,864 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__methaneQuery with input of size 52 for LOIs [2023-04-03 01:11:00,149 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 52 for LOIs [2023-04-03 01:11:00,452 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 24 for LOIs [2023-04-03 01:11:00,552 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 24 for LOIs [2023-04-03 01:11:00,557 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 36 for LOIs [2023-04-03 01:11:00,637 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 45 for LOIs [2023-04-03 01:11:00,667 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 45 for LOIs [2023-04-03 01:11:00,673 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump__wrappee__lowWaterSensor with input of size 26 for LOIs [2023-04-03 01:11:00,675 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 47 for LOIs [2023-04-03 01:11:00,678 INFO L197 IcfgInterpreter]: Interpreting procedure isLowWaterLevel with input of size 35 for LOIs [2023-04-03 01:11:00,796 INFO L197 IcfgInterpreter]: Interpreting procedure isLowWaterSensorDry with input of size 35 for LOIs [2023-04-03 01:11:00,801 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 26 for LOIs [2023-04-03 01:11:00,803 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 26 for LOIs [2023-04-03 01:11:00,805 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 31 for LOIs [2023-04-03 01:11:00,943 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 39 for LOIs [2023-04-03 01:11:00,946 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 31 for LOIs [2023-04-03 01:11:00,948 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__2 with input of size 38 for LOIs [2023-04-03 01:11:00,982 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 20 for LOIs [2023-04-03 01:11:00,984 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__1 with input of size 28 for LOIs [2023-04-03 01:11:00,987 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 26 for LOIs [2023-04-03 01:11:00,989 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 26 for LOIs [2023-04-03 01:11:00,991 INFO L180 IcfgInterpreter]: Interpretation finished [2023-04-03 01:11:08,399 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '14137#(and (<= 1 |#StackHeapBarrier|) (not (= ~pumpRunning~0 0)) (<= ~pumpRunning~0 2147483647) (= ~methaneLevelCritical~0 0) (= ~head~0.offset 0) (= 1 ~systemActive~0) (<= 0 (+ ~waterLevel~0 2147483648)) (<= ~waterLevel~0 2147483647) (= ~head~0.base 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#NULL.offset| 0) (= ~switchedOnBeforeTS~0 0) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2023-04-03 01:11:08,400 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-04-03 01:11:08,400 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-03 01:11:08,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2023-04-03 01:11:08,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15994251] [2023-04-03 01:11:08,400 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-03 01:11:08,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-04-03 01:11:08,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:11:08,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-04-03 01:11:08,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=606, Invalid=6704, Unknown=0, NotChecked=0, Total=7310 [2023-04-03 01:11:08,407 INFO L87 Difference]: Start difference. First operand 1739 states and 2127 transitions. Second operand has 19 states, 12 states have (on average 11.583333333333334) internal successors, (139), 15 states have internal predecessors, (139), 7 states have call successors, (61), 6 states have call predecessors, (61), 11 states have return successors, (62), 10 states have call predecessors, (62), 6 states have call successors, (62) [2023-04-03 01:11:09,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:11:09,914 INFO L93 Difference]: Finished difference Result 3747 states and 4734 transitions. [2023-04-03 01:11:09,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-04-03 01:11:09,915 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 12 states have (on average 11.583333333333334) internal successors, (139), 15 states have internal predecessors, (139), 7 states have call successors, (61), 6 states have call predecessors, (61), 11 states have return successors, (62), 10 states have call predecessors, (62), 6 states have call successors, (62) Word has length 165 [2023-04-03 01:11:09,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:11:09,925 INFO L225 Difference]: With dead ends: 3747 [2023-04-03 01:11:09,925 INFO L226 Difference]: Without dead ends: 2193 [2023-04-03 01:11:09,932 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 535 GetRequests, 397 SyntacticMatches, 30 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6100 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=858, Invalid=11132, Unknown=0, NotChecked=0, Total=11990 [2023-04-03 01:11:09,933 INFO L413 NwaCegarLoop]: 287 mSDtfsCounter, 382 mSDsluCounter, 2034 mSDsCounter, 0 mSdLazyCounter, 1745 mSolverCounterSat, 204 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 391 SdHoareTripleChecker+Valid, 2321 SdHoareTripleChecker+Invalid, 1949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 204 IncrementalHoareTripleChecker+Valid, 1745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-04-03 01:11:09,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [391 Valid, 2321 Invalid, 1949 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [204 Valid, 1745 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-04-03 01:11:09,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2193 states. [2023-04-03 01:11:10,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2193 to 1988. [2023-04-03 01:11:10,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1988 states, 1120 states have (on average 1.19375) internal successors, (1337), 1217 states have internal predecessors, (1337), 446 states have call successors, (446), 411 states have call predecessors, (446), 421 states have return successors, (582), 421 states have call predecessors, (582), 442 states have call successors, (582) [2023-04-03 01:11:10,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1988 states to 1988 states and 2365 transitions. [2023-04-03 01:11:10,073 INFO L78 Accepts]: Start accepts. Automaton has 1988 states and 2365 transitions. Word has length 165 [2023-04-03 01:11:10,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:11:10,073 INFO L495 AbstractCegarLoop]: Abstraction has 1988 states and 2365 transitions. [2023-04-03 01:11:10,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 12 states have (on average 11.583333333333334) internal successors, (139), 15 states have internal predecessors, (139), 7 states have call successors, (61), 6 states have call predecessors, (61), 11 states have return successors, (62), 10 states have call predecessors, (62), 6 states have call successors, (62) [2023-04-03 01:11:10,074 INFO L276 IsEmpty]: Start isEmpty. Operand 1988 states and 2365 transitions. [2023-04-03 01:11:10,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-04-03 01:11:10,078 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:11:10,081 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:11:10,092 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-03 01:11:10,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:11:10,290 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:11:10,290 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:11:10,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1556891747, now seen corresponding path program 1 times [2023-04-03 01:11:10,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:11:10,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224437054] [2023-04-03 01:11:10,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:11:10,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:11:10,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:11:10,572 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 42 proven. 24 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-04-03 01:11:10,572 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:11:10,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224437054] [2023-04-03 01:11:10,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224437054] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:11:10,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1198884839] [2023-04-03 01:11:10,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:11:10,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:11:10,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:11:10,574 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 01:11:10,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-03 01:11:10,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:11:10,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 727 conjuncts, 23 conjunts are in the unsatisfiable core [2023-04-03 01:11:10,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:11:10,914 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 108 proven. 2 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-04-03 01:11:10,915 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 01:11:11,344 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 40 proven. 3 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2023-04-03 01:11:11,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1198884839] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 01:11:11,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1677799972] [2023-04-03 01:11:11,348 INFO L159 IcfgInterpreter]: Started Sifa with 111 locations of interest [2023-04-03 01:11:11,348 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 01:11:11,349 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 01:11:11,349 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 01:11:11,349 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 01:11:11,483 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 31 for LOIs [2023-04-03 01:11:11,513 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 36 for LOIs [2023-04-03 01:11:11,629 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 36 for LOIs [2023-04-03 01:11:11,665 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 36 for LOIs [2023-04-03 01:11:15,271 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 107 for LOIs [2023-04-03 01:11:15,301 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 51 for LOIs [2023-04-03 01:11:15,541 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 33 for LOIs [2023-04-03 01:11:15,546 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 37 for LOIs [2023-04-03 01:11:15,615 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__methaneQuery with input of size 26 for LOIs [2023-04-03 01:11:15,634 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 26 for LOIs [2023-04-03 01:11:15,743 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 24 for LOIs [2023-04-03 01:11:15,811 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 24 for LOIs [2023-04-03 01:11:15,816 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 36 for LOIs [2023-04-03 01:11:15,865 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 32 for LOIs [2023-04-03 01:11:15,942 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 32 for LOIs [2023-04-03 01:11:15,947 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump__wrappee__lowWaterSensor with input of size 26 for LOIs [2023-04-03 01:11:15,949 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 26 for LOIs [2023-04-03 01:11:15,950 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 26 for LOIs [2023-04-03 01:11:15,952 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 43 for LOIs [2023-04-03 01:11:16,151 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 50 for LOIs [2023-04-03 01:11:16,156 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 43 for LOIs [2023-04-03 01:11:16,159 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__2 with input of size 46 for LOIs [2023-04-03 01:11:16,189 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 24 for LOIs [2023-04-03 01:11:16,191 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__1 with input of size 28 for LOIs [2023-04-03 01:11:16,192 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 26 for LOIs [2023-04-03 01:11:16,194 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 26 for LOIs [2023-04-03 01:11:16,196 INFO L180 IcfgInterpreter]: Interpretation finished [2023-04-03 01:11:23,629 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '23627#(and (not (= ~pumpRunning~0 0)) (<= ~pumpRunning~0 1) (= ~methaneLevelCritical~0 0) (= ~head~0.offset 0) (= 1 ~systemActive~0) (<= ~waterLevel~0 2147483647) (<= 0 ~pumpRunning~0) (= ~head~0.base 0) (= |#NULL.offset| 0) (<= ~pumpRunning~0 (+ 2147483649 ~waterLevel~0)) (<= ~pumpRunning~0 |#StackHeapBarrier|) (= ~switchedOnBeforeTS~0 0) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2023-04-03 01:11:23,629 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-04-03 01:11:23,629 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-03 01:11:23,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9] total 22 [2023-04-03 01:11:23,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008619866] [2023-04-03 01:11:23,630 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-03 01:11:23,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-04-03 01:11:23,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:11:23,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-04-03 01:11:23,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=517, Invalid=6455, Unknown=0, NotChecked=0, Total=6972 [2023-04-03 01:11:23,635 INFO L87 Difference]: Start difference. First operand 1988 states and 2365 transitions. Second operand has 22 states, 16 states have (on average 8.75) internal successors, (140), 16 states have internal predecessors, (140), 5 states have call successors, (57), 3 states have call predecessors, (57), 11 states have return successors, (62), 11 states have call predecessors, (62), 5 states have call successors, (62) [2023-04-03 01:11:25,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:11:25,760 INFO L93 Difference]: Finished difference Result 8144 states and 10281 transitions. [2023-04-03 01:11:25,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-04-03 01:11:25,761 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 16 states have (on average 8.75) internal successors, (140), 16 states have internal predecessors, (140), 5 states have call successors, (57), 3 states have call predecessors, (57), 11 states have return successors, (62), 11 states have call predecessors, (62), 5 states have call successors, (62) Word has length 213 [2023-04-03 01:11:25,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:11:25,796 INFO L225 Difference]: With dead ends: 8144 [2023-04-03 01:11:25,796 INFO L226 Difference]: Without dead ends: 6206 [2023-04-03 01:11:25,810 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 701 GetRequests, 561 SyntacticMatches, 16 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6148 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=846, Invalid=14904, Unknown=0, NotChecked=0, Total=15750 [2023-04-03 01:11:25,811 INFO L413 NwaCegarLoop]: 337 mSDtfsCounter, 296 mSDsluCounter, 3476 mSDsCounter, 0 mSdLazyCounter, 3020 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 3813 SdHoareTripleChecker+Invalid, 3087 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 3020 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:11:25,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 3813 Invalid, 3087 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 3020 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-04-03 01:11:25,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6206 states. [2023-04-03 01:11:26,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6206 to 5342. [2023-04-03 01:11:26,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5342 states, 3065 states have (on average 1.1781402936378467) internal successors, (3611), 3275 states have internal predecessors, (3611), 1155 states have call successors, (1155), 1101 states have call predecessors, (1155), 1121 states have return successors, (1546), 1107 states have call predecessors, (1546), 1151 states have call successors, (1546) [2023-04-03 01:11:26,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5342 states to 5342 states and 6312 transitions. [2023-04-03 01:11:26,235 INFO L78 Accepts]: Start accepts. Automaton has 5342 states and 6312 transitions. Word has length 213 [2023-04-03 01:11:26,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:11:26,236 INFO L495 AbstractCegarLoop]: Abstraction has 5342 states and 6312 transitions. [2023-04-03 01:11:26,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 16 states have (on average 8.75) internal successors, (140), 16 states have internal predecessors, (140), 5 states have call successors, (57), 3 states have call predecessors, (57), 11 states have return successors, (62), 11 states have call predecessors, (62), 5 states have call successors, (62) [2023-04-03 01:11:26,237 INFO L276 IsEmpty]: Start isEmpty. Operand 5342 states and 6312 transitions. [2023-04-03 01:11:26,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2023-04-03 01:11:26,245 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:11:26,245 INFO L195 NwaCegarLoop]: trace histogram [5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:11:26,255 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-04-03 01:11:26,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-04-03 01:11:26,453 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:11:26,453 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:11:26,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1555308634, now seen corresponding path program 1 times [2023-04-03 01:11:26,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:11:26,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498983256] [2023-04-03 01:11:26,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:11:26,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:11:26,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:11:27,138 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 52 proven. 21 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-04-03 01:11:27,139 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:11:27,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498983256] [2023-04-03 01:11:27,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498983256] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:11:27,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [380640611] [2023-04-03 01:11:27,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:11:27,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:11:27,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:11:27,140 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 01:11:27,142 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-04-03 01:11:27,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:11:27,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 46 conjunts are in the unsatisfiable core [2023-04-03 01:11:27,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:11:27,571 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 111 proven. 22 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-04-03 01:11:27,571 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 01:11:29,450 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 65 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-04-03 01:11:29,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [380640611] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 01:11:29,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [539964398] [2023-04-03 01:11:29,454 INFO L159 IcfgInterpreter]: Started Sifa with 114 locations of interest [2023-04-03 01:11:29,454 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 01:11:29,454 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 01:11:29,454 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 01:11:29,455 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 01:11:29,590 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 31 for LOIs [2023-04-03 01:11:29,616 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 36 for LOIs [2023-04-03 01:11:29,713 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 36 for LOIs [2023-04-03 01:11:29,748 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 36 for LOIs [2023-04-03 01:11:33,022 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 41 for LOIs [2023-04-03 01:11:33,028 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 46 for LOIs [2023-04-03 01:11:33,428 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 37 for LOIs [2023-04-03 01:11:33,432 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 41 for LOIs [2023-04-03 01:11:33,597 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__methaneQuery with input of size 28 for LOIs [2023-04-03 01:11:33,619 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 28 for LOIs [2023-04-03 01:11:33,736 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 26 for LOIs [2023-04-03 01:11:33,789 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 26 for LOIs [2023-04-03 01:11:33,813 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 38 for LOIs [2023-04-03 01:11:33,856 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 36 for LOIs [2023-04-03 01:11:33,921 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 36 for LOIs [2023-04-03 01:11:33,926 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump__wrappee__lowWaterSensor with input of size 26 for LOIs [2023-04-03 01:11:33,928 INFO L197 IcfgInterpreter]: Interpreting procedure deactivatePump with input of size 37 for LOIs [2023-04-03 01:11:33,930 INFO L197 IcfgInterpreter]: Interpreting procedure changeMethaneLevel with input of size 40 for LOIs [2023-04-03 01:11:33,934 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 26 for LOIs [2023-04-03 01:11:33,936 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 26 for LOIs [2023-04-03 01:11:33,937 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 61 for LOIs [2023-04-03 01:11:34,165 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 70 for LOIs [2023-04-03 01:11:34,169 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 61 for LOIs [2023-04-03 01:11:34,173 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__2 with input of size 41 for LOIs [2023-04-03 01:11:34,196 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 28 for LOIs [2023-04-03 01:11:34,198 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__1 with input of size 28 for LOIs [2023-04-03 01:11:34,200 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 26 for LOIs [2023-04-03 01:11:34,201 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 26 for LOIs [2023-04-03 01:11:34,203 INFO L180 IcfgInterpreter]: Interpretation finished [2023-04-03 01:11:43,168 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '44134#(and (<= (+ ~pumpRunning~0 ~methaneLevelCritical~0) 2147483647) (not (= ~pumpRunning~0 0)) (<= ~pumpRunning~0 1) (= ~head~0.offset 0) (= 1 ~systemActive~0) (<= ~waterLevel~0 2147483647) (<= 0 ~pumpRunning~0) (= ~head~0.base 0) (= |#NULL.offset| 0) (<= ~pumpRunning~0 (+ 2147483649 ~waterLevel~0)) (<= ~pumpRunning~0 |#StackHeapBarrier|) (= ~switchedOnBeforeTS~0 0) (<= ~pumpRunning~0 (+ ~methaneLevelCritical~0 1)) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2023-04-03 01:11:43,168 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-04-03 01:11:43,168 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-03 01:11:43,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 15] total 36 [2023-04-03 01:11:43,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100377855] [2023-04-03 01:11:43,168 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-03 01:11:43,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2023-04-03 01:11:43,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:11:43,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2023-04-03 01:11:43,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=690, Invalid=10230, Unknown=0, NotChecked=0, Total=10920 [2023-04-03 01:11:43,173 INFO L87 Difference]: Start difference. First operand 5342 states and 6312 transitions. Second operand has 36 states, 27 states have (on average 5.814814814814815) internal successors, (157), 27 states have internal predecessors, (157), 12 states have call successors, (66), 7 states have call predecessors, (66), 19 states have return successors, (72), 21 states have call predecessors, (72), 12 states have call successors, (72) [2023-04-03 01:11:45,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:11:45,808 INFO L93 Difference]: Finished difference Result 9904 states and 12072 transitions. [2023-04-03 01:11:45,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-04-03 01:11:45,809 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 27 states have (on average 5.814814814814815) internal successors, (157), 27 states have internal predecessors, (157), 12 states have call successors, (66), 7 states have call predecessors, (66), 19 states have return successors, (72), 21 states have call predecessors, (72), 12 states have call successors, (72) Word has length 224 [2023-04-03 01:11:45,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:11:45,811 INFO L225 Difference]: With dead ends: 9904 [2023-04-03 01:11:45,811 INFO L226 Difference]: Without dead ends: 0 [2023-04-03 01:11:45,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 745 GetRequests, 580 SyntacticMatches, 25 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9435 ImplicationChecksByTransitivity, 10.0s TimeCoverageRelationStatistics Valid=1280, Invalid=18742, Unknown=0, NotChecked=0, Total=20022 [2023-04-03 01:11:45,837 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 905 mSDsluCounter, 931 mSDsCounter, 0 mSdLazyCounter, 3747 mSolverCounterSat, 783 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 909 SdHoareTripleChecker+Valid, 1012 SdHoareTripleChecker+Invalid, 4530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 783 IncrementalHoareTripleChecker+Valid, 3747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-04-03 01:11:45,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [909 Valid, 1012 Invalid, 4530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [783 Valid, 3747 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-04-03 01:11:45,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-03 01:11:45,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-03 01:11:45,838 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) [2023-04-03 01:11:45,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-03 01:11:45,840 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 224 [2023-04-03 01:11:45,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:11:45,841 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-03 01:11:45,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 27 states have (on average 5.814814814814815) internal successors, (157), 27 states have internal predecessors, (157), 12 states have call successors, (66), 7 states have call predecessors, (66), 19 states have return successors, (72), 21 states have call predecessors, (72), 12 states have call successors, (72) [2023-04-03 01:11:45,841 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-03 01:11:45,841 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-03 01:11:45,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-03 01:11:45,853 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-04-03 01:11:46,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:11:46,055 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-03 01:12:05,468 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-03 01:12:05,469 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-03 01:12:05,469 INFO L899 garLoopResultBuilder]: For program point L764-2(lines 764 785) no Hoare annotation was computed. [2023-04-03 01:12:05,469 INFO L899 garLoopResultBuilder]: For program point L786(lines 763 787) no Hoare annotation was computed. [2023-04-03 01:12:05,469 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 739 794) no Hoare annotation was computed. [2023-04-03 01:12:05,469 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 739 794) no Hoare annotation was computed. [2023-04-03 01:12:05,469 INFO L899 garLoopResultBuilder]: For program point L770(lines 770 774) no Hoare annotation was computed. [2023-04-03 01:12:05,469 INFO L899 garLoopResultBuilder]: For program point L827(lines 827 831) no Hoare annotation was computed. [2023-04-03 01:12:05,469 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 795 854) no Hoare annotation was computed. [2023-04-03 01:12:05,469 INFO L899 garLoopResultBuilder]: For program point L821-2(lines 821 846) no Hoare annotation was computed. [2023-04-03 01:12:05,469 INFO L899 garLoopResultBuilder]: For program point L847(lines 820 848) no Hoare annotation was computed. [2023-04-03 01:12:05,469 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 795 854) no Hoare annotation was computed. [2023-04-03 01:12:05,469 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 795 854) no Hoare annotation was computed. [2023-04-03 01:12:05,470 INFO L899 garLoopResultBuilder]: For program point L840(line 840) no Hoare annotation was computed. [2023-04-03 01:12:05,470 INFO L899 garLoopResultBuilder]: For program point L840-1(line 840) no Hoare annotation was computed. [2023-04-03 01:12:05,470 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 130 138) no Hoare annotation was computed. [2023-04-03 01:12:05,470 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 130 138) the Hoare annotation is: true [2023-04-03 01:12:05,470 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 295 317) no Hoare annotation was computed. [2023-04-03 01:12:05,470 INFO L895 garLoopResultBuilder]: At program point L307(line 307) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~2 1) (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:12:05,470 INFO L895 garLoopResultBuilder]: At program point L307-1(line 307) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~2 1) (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:12:05,470 INFO L899 garLoopResultBuilder]: For program point L305(lines 305 312) no Hoare annotation was computed. [2023-04-03 01:12:05,470 INFO L899 garLoopResultBuilder]: For program point L305-1(lines 305 312) no Hoare annotation was computed. [2023-04-03 01:12:05,470 INFO L899 garLoopResultBuilder]: For program point L303(line 303) no Hoare annotation was computed. [2023-04-03 01:12:05,471 INFO L895 garLoopResultBuilder]: At program point L302(line 302) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0))) [2023-04-03 01:12:05,471 INFO L895 garLoopResultBuilder]: At program point L301(line 301) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0))) [2023-04-03 01:12:05,471 INFO L895 garLoopResultBuilder]: At program point L301-1(line 301) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0))) [2023-04-03 01:12:05,471 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 295 317) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0))) [2023-04-03 01:12:05,471 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 253 276) no Hoare annotation was computed. [2023-04-03 01:12:05,471 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 253 276) no Hoare annotation was computed. [2023-04-03 01:12:05,471 INFO L899 garLoopResultBuilder]: For program point L271(line 271) no Hoare annotation was computed. [2023-04-03 01:12:05,471 INFO L899 garLoopResultBuilder]: For program point L270(line 270) no Hoare annotation was computed. [2023-04-03 01:12:05,471 INFO L899 garLoopResultBuilder]: For program point L269(line 269) no Hoare annotation was computed. [2023-04-03 01:12:05,471 INFO L899 garLoopResultBuilder]: For program point L268(line 268) no Hoare annotation was computed. [2023-04-03 01:12:05,471 INFO L899 garLoopResultBuilder]: For program point L267(line 267) no Hoare annotation was computed. [2023-04-03 01:12:05,471 INFO L899 garLoopResultBuilder]: For program point L266(line 266) no Hoare annotation was computed. [2023-04-03 01:12:05,471 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 253 276) no Hoare annotation was computed. [2023-04-03 01:12:05,471 INFO L899 garLoopResultBuilder]: For program point L265(line 265) no Hoare annotation was computed. [2023-04-03 01:12:05,472 INFO L899 garLoopResultBuilder]: For program point L264(line 264) no Hoare annotation was computed. [2023-04-03 01:12:05,472 INFO L899 garLoopResultBuilder]: For program point L263(line 263) no Hoare annotation was computed. [2023-04-03 01:12:05,472 INFO L899 garLoopResultBuilder]: For program point L262(line 262) no Hoare annotation was computed. [2023-04-03 01:12:05,472 INFO L899 garLoopResultBuilder]: For program point L261(line 261) no Hoare annotation was computed. [2023-04-03 01:12:05,472 INFO L899 garLoopResultBuilder]: For program point L260(line 260) no Hoare annotation was computed. [2023-04-03 01:12:05,472 INFO L899 garLoopResultBuilder]: For program point L259(line 259) no Hoare annotation was computed. [2023-04-03 01:12:05,472 INFO L899 garLoopResultBuilder]: For program point L258(line 258) no Hoare annotation was computed. [2023-04-03 01:12:05,472 INFO L899 garLoopResultBuilder]: For program point stopSystemEXIT(lines 568 582) no Hoare annotation was computed. [2023-04-03 01:12:05,472 INFO L895 garLoopResultBuilder]: At program point L574(line 574) the Hoare annotation is: (let ((.cse1 (< 1 ~waterLevel~0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (< 2 ~waterLevel~0)) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse5 (= |old(~systemActive~0)| 0)) (.cse4 (not (= |old(~pumpRunning~0)| 1))) (.cse6 (and (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 1)))) (and (or .cse0 (< ~waterLevel~0 1) .cse1) (or .cse2 .cse0 .cse3) (or .cse0 .cse1 (< ~switchedOnBeforeTS~0 1)) (or .cse2 (= 1 ~systemActive~0) .cse4 (not (= |old(~systemActive~0)| 1)) .cse3) (or .cse2 .cse0 (< ~waterLevel~0 2)) (or .cse2 .cse5 .cse4 .cse6 .cse3) (or .cse5 (not (= 2 ~waterLevel~0)) .cse4 .cse6))) [2023-04-03 01:12:05,472 INFO L899 garLoopResultBuilder]: For program point L572(lines 572 578) no Hoare annotation was computed. [2023-04-03 01:12:05,472 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 568 582) the Hoare annotation is: (let ((.cse0 (< 2 ~waterLevel~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (< 1 ~waterLevel~0)) (.cse6 (= |old(~systemActive~0)| 0)) (.cse1 (not (= |old(~pumpRunning~0)| 1))) (.cse7 (and (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 1)))) (and (or .cse0 (= 1 ~systemActive~0) .cse1 (not (= |old(~systemActive~0)| 1)) .cse2) (or .cse3 .cse4 .cse5 (< ~switchedOnBeforeTS~0 1)) (or .cse0 .cse6 .cse1 .cse7 .cse2) (or .cse0 .cse3 .cse4 (< ~waterLevel~0 2)) (or .cse0 .cse3 .cse4 .cse2) (or .cse3 .cse4 (< ~waterLevel~0 1) .cse5) (or .cse6 (not (= 2 ~waterLevel~0)) .cse1 .cse7))) [2023-04-03 01:12:05,473 INFO L902 garLoopResultBuilder]: At program point L556(line 556) the Hoare annotation is: true [2023-04-03 01:12:05,473 INFO L899 garLoopResultBuilder]: For program point L556-1(line 556) no Hoare annotation was computed. [2023-04-03 01:12:05,473 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 549 567) the Hoare annotation is: true [2023-04-03 01:12:05,473 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevelEXIT(lines 549 567) no Hoare annotation was computed. [2023-04-03 01:12:05,473 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 116 122) no Hoare annotation was computed. [2023-04-03 01:12:05,473 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 116 122) the Hoare annotation is: true [2023-04-03 01:12:05,473 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 1006 1051) no Hoare annotation was computed. [2023-04-03 01:12:05,473 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 1006 1051) no Hoare annotation was computed. [2023-04-03 01:12:05,473 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 663 676) the Hoare annotation is: true [2023-04-03 01:12:05,473 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryEXIT(lines 663 676) no Hoare annotation was computed. [2023-04-03 01:12:05,473 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 416 440) no Hoare annotation was computed. [2023-04-03 01:12:05,473 INFO L895 garLoopResultBuilder]: At program point L435(line 435) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 1 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) .cse0 .cse1) (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 .cse1))) [2023-04-03 01:12:05,473 INFO L899 garLoopResultBuilder]: For program point L435-1(lines 416 440) no Hoare annotation was computed. [2023-04-03 01:12:05,473 INFO L895 garLoopResultBuilder]: At program point L430(line 430) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse1 (not (= |old(~pumpRunning~0)| 1))) (.cse2 (= 0 ~systemActive~0)) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3) (or (and (= 0 processEnvironment_~tmp~5) (= ~pumpRunning~0 1)) .cse0 .cse1 .cse2 .cse3) (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) .cse2 .cse3))) [2023-04-03 01:12:05,474 INFO L895 garLoopResultBuilder]: At program point L426(line 426) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse1 (not (= |old(~pumpRunning~0)| 1))) (.cse2 (= 0 ~systemActive~0)) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1 .cse2 .cse3) (or (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~5) (= ~pumpRunning~0 1)) .cse0 .cse1 .cse2 .cse3) (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) .cse2 .cse3))) [2023-04-03 01:12:05,474 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 416 440) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 1 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) .cse0 .cse1 (= ~pumpRunning~0 1)) (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 .cse1))) [2023-04-03 01:12:05,474 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 432) no Hoare annotation was computed. [2023-04-03 01:12:05,474 INFO L895 garLoopResultBuilder]: At program point L422(line 422) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 1 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) .cse0 .cse1 (= ~pumpRunning~0 1)) (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2023-04-03 01:12:05,474 INFO L899 garLoopResultBuilder]: For program point L422-1(line 422) no Hoare annotation was computed. [2023-04-03 01:12:05,474 INFO L899 garLoopResultBuilder]: For program point L420(lines 420 437) no Hoare annotation was computed. [2023-04-03 01:12:05,474 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 356 362) no Hoare annotation was computed. [2023-04-03 01:12:05,474 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 356 362) the Hoare annotation is: true [2023-04-03 01:12:05,474 INFO L895 garLoopResultBuilder]: At program point L186(line 186) the Hoare annotation is: (let ((.cse3 (or (<= |old(~waterLevel~0)| 0) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|))) (.cse7 (<= 1 ~switchedOnBeforeTS~0)) (.cse2 (= ~switchedOnBeforeTS~0 1)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= ~pumpRunning~0 1)) (.cse8 (= 2 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse10 (= 1 ~systemActive~0)) (.cse9 (= ~waterLevel~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse3 .cse7 .cse4) (and .cse6 .cse0 (<= ~waterLevel~0 2) (= ~switchedOnBeforeTS~0 0)) (and .cse6 .cse8 .cse0 .cse7 .cse4) (and .cse6 .cse0 .cse9 .cse7 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 .cse9 .cse4 .cse5) (and .cse8 .cse0 .cse1 .cse4 .cse5) (and .cse6 .cse8 .cse0 .cse10) (and .cse6 .cse0 .cse1 .cse10 .cse9))) [2023-04-03 01:12:05,474 INFO L899 garLoopResultBuilder]: For program point L184(lines 184 190) no Hoare annotation was computed. [2023-04-03 01:12:05,474 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 184 190) no Hoare annotation was computed. [2023-04-03 01:12:05,474 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 154 219) no Hoare annotation was computed. [2023-04-03 01:12:05,474 INFO L895 garLoopResultBuilder]: At program point L209(lines 164 211) the Hoare annotation is: (let ((.cse3 (or (<= |old(~waterLevel~0)| 0) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|))) (.cse7 (<= 1 ~switchedOnBeforeTS~0)) (.cse2 (= ~switchedOnBeforeTS~0 1)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= ~pumpRunning~0 1)) (.cse8 (= 2 ~waterLevel~0)) (.cse10 (= ~switchedOnBeforeTS~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse9 (= ~waterLevel~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse3 .cse7 .cse4) (and .cse6 .cse8 .cse0 .cse7 .cse4) (and .cse6 .cse0 .cse9 .cse7 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse6 .cse0 (<= ~waterLevel~0 1) .cse10) (and .cse0 .cse1 .cse2 .cse9 .cse4 .cse5) (and .cse8 .cse0 .cse1 .cse4 .cse5) (and .cse6 .cse8 .cse0 .cse10) (and .cse6 .cse0 .cse1 (= 1 ~systemActive~0) .cse9))) [2023-04-03 01:12:05,474 INFO L895 garLoopResultBuilder]: At program point L176(line 176) the Hoare annotation is: (let ((.cse5 (or (<= |old(~waterLevel~0)| 0) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|))) (.cse7 (<= 1 ~switchedOnBeforeTS~0)) (.cse2 (= ~waterLevel~0 1)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= ~pumpRunning~0 1)) (.cse10 (= 1 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse8 (= 2 ~waterLevel~0)) (.cse0 (= test_~splverifierCounter~0 0)) (.cse9 (= ~switchedOnBeforeTS~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse5 .cse3 .cse4) (and .cse6 .cse0 .cse5 .cse7 .cse3) (and .cse6 .cse8 .cse0 .cse7 .cse3) (and .cse6 .cse0 .cse2 .cse7 .cse3) (not (= |old(~systemActive~0)| 1)) (and .cse6 .cse0 (<= ~waterLevel~0 1) .cse9) (and .cse6 .cse0 .cse10 .cse2) (and .cse8 .cse0 .cse1 .cse3 .cse4) (and .cse6 .cse8 .cse0 .cse10) (and .cse6 .cse8 .cse0 .cse9))) [2023-04-03 01:12:05,474 INFO L899 garLoopResultBuilder]: For program point L174(lines 174 180) no Hoare annotation was computed. [2023-04-03 01:12:05,475 INFO L899 garLoopResultBuilder]: For program point L174-1(lines 174 180) no Hoare annotation was computed. [2023-04-03 01:12:05,475 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 154 219) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:12:05,475 INFO L895 garLoopResultBuilder]: At program point L212(lines 163 213) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:12:05,475 INFO L895 garLoopResultBuilder]: At program point L202(line 202) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse6 (= ~switchedOnBeforeTS~0 1)) (.cse5 (or (<= |old(~waterLevel~0)| 0) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|))) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse7 (= ~waterLevel~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (and .cse4 .cse1 .cse5 (<= 1 ~switchedOnBeforeTS~0)) (and .cse4 .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse6 .cse7 .cse2 .cse3) (and .cse4 .cse1 (<= ~waterLevel~0 2) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (and .cse1 .cse6 .cse5 .cse2 .cse3) (and .cse4 .cse1 .cse7))) [2023-04-03 01:12:05,475 INFO L899 garLoopResultBuilder]: For program point L200(lines 200 206) no Hoare annotation was computed. [2023-04-03 01:12:05,475 INFO L895 garLoopResultBuilder]: At program point L200-1(lines 194 207) the Hoare annotation is: (let ((.cse2 (= 2 ~waterLevel~0)) (.cse5 (= ~switchedOnBeforeTS~0 1)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= ~pumpRunning~0 1)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse6 (= ~waterLevel~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 (<= ~waterLevel~0 1) (<= 1 ~switchedOnBeforeTS~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse2 .cse1 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (<= ~waterLevel~0 2) (= ~switchedOnBeforeTS~0 0)) (and .cse0 .cse2 .cse1) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse5 .cse6 .cse3 .cse4) (and .cse1 .cse5 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse3 .cse4) (and .cse0 .cse1 .cse6))) [2023-04-03 01:12:05,475 INFO L899 garLoopResultBuilder]: For program point L165(lines 164 211) no Hoare annotation was computed. [2023-04-03 01:12:05,475 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 154 219) no Hoare annotation was computed. [2023-04-03 01:12:05,475 INFO L899 garLoopResultBuilder]: For program point L194(lines 194 207) no Hoare annotation was computed. [2023-04-03 01:12:05,475 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 441 448) the Hoare annotation is: (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= ~methaneLevelCritical~0 0)) (< ~waterLevel~0 2) (= 0 ~systemActive~0) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) [2023-04-03 01:12:05,476 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 441 448) no Hoare annotation was computed. [2023-04-03 01:12:05,476 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 677 685) the Hoare annotation is: true [2023-04-03 01:12:05,476 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDryEXIT(lines 677 685) no Hoare annotation was computed. [2023-04-03 01:12:05,476 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 631 653) no Hoare annotation was computed. [2023-04-03 01:12:05,476 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 631 653) no Hoare annotation was computed. [2023-04-03 01:12:05,476 INFO L895 garLoopResultBuilder]: At program point L460(line 460) the Hoare annotation is: (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= activatePump_~tmp~6 0)) (< ~waterLevel~0 2) (= 0 ~systemActive~0) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) [2023-04-03 01:12:05,476 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 449 465) no Hoare annotation was computed. [2023-04-03 01:12:05,476 INFO L899 garLoopResultBuilder]: For program point L460-1(lines 449 465) no Hoare annotation was computed. [2023-04-03 01:12:05,476 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 449 465) the Hoare annotation is: (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (= 0 ~systemActive~0) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) [2023-04-03 01:12:05,476 INFO L899 garLoopResultBuilder]: For program point L456(lines 456 462) no Hoare annotation was computed. [2023-04-03 01:12:05,476 INFO L895 garLoopResultBuilder]: At program point L454(line 454) the Hoare annotation is: (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (= 0 ~systemActive~0) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) [2023-04-03 01:12:05,476 INFO L899 garLoopResultBuilder]: For program point L454-1(line 454) no Hoare annotation was computed. [2023-04-03 01:12:05,476 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 654 662) the Hoare annotation is: true [2023-04-03 01:12:05,476 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 654 662) no Hoare annotation was computed. [2023-04-03 01:12:05,477 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelEXIT(lines 530 548) no Hoare annotation was computed. [2023-04-03 01:12:05,477 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 530 548) the Hoare annotation is: true [2023-04-03 01:12:05,477 INFO L902 garLoopResultBuilder]: At program point L537(line 537) the Hoare annotation is: true [2023-04-03 01:12:05,477 INFO L899 garLoopResultBuilder]: For program point L537-1(line 537) no Hoare annotation was computed. [2023-04-03 01:12:05,477 INFO L895 garLoopResultBuilder]: At program point L345(line 345) the Hoare annotation is: (let ((.cse8 (= 0 ~systemActive~0))) (let ((.cse11 (= ~pumpRunning~0 0)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse12 (= ~switchedOnBeforeTS~0 0)) (.cse13 (not .cse8))) (let ((.cse5 (= ~switchedOnBeforeTS~0 1)) (.cse7 (= ~pumpRunning~0 1)) (.cse4 (not (= |old(~pumpRunning~0)| 1))) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse3 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse2 (and .cse11 (<= ~waterLevel~0 1) .cse6 .cse12 .cse13)) (.cse9 (= ~waterLevel~0 1)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse10 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (< |old(~switchedOnBeforeTS~0)| 1) .cse2) (or .cse0 .cse3 .cse4 (and .cse5 (or (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (< 0 |old(~waterLevel~0)|)) (and (<= |old(~waterLevel~0)| 0) .cse6)) .cse7) .cse8) (or (and .cse5 .cse9 .cse7) .cse4 .cse10 .cse8) (or .cse0 .cse3 .cse1 .cse2) (or .cse1 (and .cse11 .cse9 .cse12 .cse13) (not (= |old(~waterLevel~0)| 1))) (or .cse1 (and .cse11 (= 2 ~waterLevel~0) .cse12 .cse13) .cse10))))) [2023-04-03 01:12:05,477 INFO L895 garLoopResultBuilder]: At program point L343(lines 343 349) the Hoare annotation is: (let ((.cse18 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse17 (or (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (< 0 |old(~waterLevel~0)|)) (and (<= |old(~waterLevel~0)| 0) .cse18))) (.cse16 (<= 1 ~switchedOnBeforeTS~0)) (.cse9 (= ~pumpRunning~0 0)) (.cse11 (= ~switchedOnBeforeTS~0 0)) (.cse10 (= 2 ~waterLevel~0)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse2 (= 0 ~systemActive~0)) (.cse15 (= |old(~waterLevel~0)| 2)) (.cse14 (= ~pumpRunning~0 1))) (let ((.cse12 (= ~waterLevel~0 1)) (.cse6 (and .cse10 .cse0 (not .cse2) .cse15 .cse14)) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (and .cse9 .cse18 .cse11)) (.cse3 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| 1))) (.cse4 (and .cse9 .cse17 .cse16)) (.cse13 (= ~switchedOnBeforeTS~0 1)) (.cse5 (< 2 |old(~waterLevel~0)|))) (and (or (and (or .cse0 (< |old(~waterLevel~0)| 2) .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2)) .cse4 .cse5) (or .cse6 .cse7 (< |old(~switchedOnBeforeTS~0)| 1) .cse5 .cse8) (or .cse6 .cse7 (and .cse9 .cse10 .cse11) (<= |old(~waterLevel~0)| 1) .cse5) (or .cse7 (and .cse9 .cse12 .cse11) (not (= |old(~waterLevel~0)| 1))) (or (and .cse13 .cse12 .cse14) .cse1 (not .cse15) .cse2 (and .cse9 .cse12 .cse16)) (or .cse3 .cse6 .cse7 .cse5 .cse8) (or .cse3 .cse1 .cse4 (and .cse13 .cse17 .cse14) .cse2 .cse5))))) [2023-04-03 01:12:05,477 INFO L895 garLoopResultBuilder]: At program point L338(line 338) the Hoare annotation is: (let ((.cse1 (= ~switchedOnBeforeTS~0 1)) (.cse2 (= ~pumpRunning~0 1)) (.cse3 (not (= |old(~pumpRunning~0)| 1))) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse4 (= 0 ~systemActive~0)) (.cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) .cse3 .cse4 .cse5) (or .cse6 .cse7) (or (and (= 2 ~waterLevel~0) .cse1 .cse2) .cse3 .cse7 .cse4) (or .cse6 (< |old(~switchedOnBeforeTS~0)| 1) .cse5) (or .cse6 (not (= |old(~waterLevel~0)| 1))) (or .cse0 .cse6 .cse5))) [2023-04-03 01:12:05,477 INFO L899 garLoopResultBuilder]: For program point L336(lines 332 354) no Hoare annotation was computed. [2023-04-03 01:12:05,477 INFO L899 garLoopResultBuilder]: For program point L334(lines 332 354) no Hoare annotation was computed. [2023-04-03 01:12:05,477 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 329 355) no Hoare annotation was computed. [2023-04-03 01:12:05,478 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 329 355) the Hoare annotation is: (let ((.cse6 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse4 (< 1 |old(~waterLevel~0)|)) (.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse9 (= ~switchedOnBeforeTS~0 0)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse2 (= 2 ~waterLevel~0)) (.cse11 (= ~pumpRunning~0 1)) (.cse8 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse10 (= ~switchedOnBeforeTS~0 1)) (.cse12 (not (= |old(~pumpRunning~0)| 1))) (.cse13 (= 0 ~systemActive~0)) (.cse7 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 (and .cse1 .cse2) .cse3) (or .cse4 .cse0 (and .cse1 .cse5) .cse6) (or .cse0 .cse6 (<= 1 ~switchedOnBeforeTS~0) .cse7) (or .cse4 .cse8 .cse0 (and .cse1 .cse5 .cse9)) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 (= ~waterLevel~0 1))) (or .cse8 .cse0 .cse3 .cse9) (or .cse8 (and .cse5 (or (and .cse10 .cse11) (<= 2 ~waterLevel~0))) .cse12 .cse13 .cse7) (or .cse12 .cse3 .cse13 (and .cse2 .cse11)) (or .cse8 (not (= ~methaneLevelCritical~0 0)) .cse10 .cse12 .cse13 .cse7))) [2023-04-03 01:12:05,478 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 329 355) no Hoare annotation was computed. [2023-04-03 01:12:05,478 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 222 251) no Hoare annotation was computed. [2023-04-03 01:12:05,478 INFO L902 garLoopResultBuilder]: At program point L247(lines 222 251) the Hoare annotation is: true [2023-04-03 01:12:05,478 INFO L899 garLoopResultBuilder]: For program point L243(line 243) no Hoare annotation was computed. [2023-04-03 01:12:05,478 INFO L899 garLoopResultBuilder]: For program point L236(lines 236 240) no Hoare annotation was computed. [2023-04-03 01:12:05,478 INFO L902 garLoopResultBuilder]: At program point L236-1(lines 236 240) the Hoare annotation is: true [2023-04-03 01:12:05,478 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 222 251) the Hoare annotation is: true [2023-04-03 01:12:05,478 INFO L902 garLoopResultBuilder]: At program point L232-2(lines 232 246) the Hoare annotation is: true [2023-04-03 01:12:05,478 INFO L902 garLoopResultBuilder]: At program point L228(line 228) the Hoare annotation is: true [2023-04-03 01:12:05,478 INFO L899 garLoopResultBuilder]: For program point L228-1(line 228) no Hoare annotation was computed. [2023-04-03 01:12:05,478 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 622 630) the Hoare annotation is: true [2023-04-03 01:12:05,479 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 622 630) no Hoare annotation was computed. [2023-04-03 01:12:05,479 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 586 597) no Hoare annotation was computed. [2023-04-03 01:12:05,479 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 586 597) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0))) (let ((.cse0 (< 1 |old(~waterLevel~0)|)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not .cse1)) (.cse7 (= 2 ~waterLevel~0)) (.cse2 (not (= ~pumpRunning~0 1))) (.cse3 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse8 (not (= |old(~waterLevel~0)| 2))) (.cse5 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse6 .cse2 .cse3 .cse4 .cse5) (or .cse7 .cse6 .cse2 .cse3 .cse8 .cse5) (or .cse7 .cse1 .cse2 .cse3 .cse8 .cse5)))) [2023-04-03 01:12:05,479 INFO L895 garLoopResultBuilder]: At program point L383(line 383) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 1 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0)) (not (= |old(~pumpRunning~0)| 1)) .cse0 .cse1 (= ~pumpRunning~0 1)) (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2023-04-03 01:12:05,479 INFO L899 garLoopResultBuilder]: For program point L383-1(lines 364 388) no Hoare annotation was computed. [2023-04-03 01:12:05,479 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 364 388) no Hoare annotation was computed. [2023-04-03 01:12:05,479 INFO L895 garLoopResultBuilder]: At program point L378(line 378) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 1 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0)) (not (= |old(~pumpRunning~0)| 1)) .cse0 .cse1) (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (or (<= 2 ~waterLevel~0) (= processEnvironment__wrappee__highWaterSensor_~tmp~3 0))) .cse0 .cse1))) [2023-04-03 01:12:05,479 INFO L895 garLoopResultBuilder]: At program point L374(line 374) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (< 1 ~waterLevel~0)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= ~pumpRunning~0 0) (not (= 2 ~waterLevel~0)) .cse1 .cse2) (or .cse0 .cse3 .cse1 .cse2) (or .cse3 (not (= ~methaneLevelCritical~0 0)) (not (= |old(~pumpRunning~0)| 1)) .cse1 .cse2))) [2023-04-03 01:12:05,479 INFO L899 garLoopResultBuilder]: For program point L372(lines 372 380) no Hoare annotation was computed. [2023-04-03 01:12:05,479 INFO L895 garLoopResultBuilder]: At program point L370(line 370) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 1 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0)) (not (= |old(~pumpRunning~0)| 1)) .cse0 .cse1) (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 .cse1))) [2023-04-03 01:12:05,480 INFO L899 garLoopResultBuilder]: For program point L370-1(line 370) no Hoare annotation was computed. [2023-04-03 01:12:05,480 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 385) no Hoare annotation was computed. [2023-04-03 01:12:05,480 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 364 388) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 1 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0)) (not (= |old(~pumpRunning~0)| 1)) .cse0 .cse1 (= ~pumpRunning~0 1)) (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 .cse1))) [2023-04-03 01:12:05,480 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 598 609) no Hoare annotation was computed. [2023-04-03 01:12:05,480 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 598 609) the Hoare annotation is: (let ((.cse4 (< 1 |old(~waterLevel~0)|)) (.cse0 (not (= ~pumpRunning~0 0))) (.cse7 (= ~methaneLevelCritical~0 0))) (let ((.cse2 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse11 (not (= ~pumpRunning~0 1))) (.cse8 (= ~waterLevel~0 1)) (.cse13 (< ~switchedOnBeforeTS~0 1)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse12 (= 0 ~systemActive~0)) (.cse1 (= 2 ~waterLevel~0)) (.cse10 (not .cse7)) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse9 (let ((.cse14 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse14 (<= |old(~waterLevel~0)| 1) (< 2 |old(~waterLevel~0)|)) (or .cse4 (< |old(~waterLevel~0)| 1) .cse0 .cse14))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse2 .cse5) (or .cse6 .cse7 .cse8 .cse9) (or .cse1 .cse10 .cse11 .cse3 .cse12) (or .cse1 .cse7 .cse3 .cse9) (or .cse6 .cse10 .cse8 .cse9) (or .cse4 .cse10 .cse11 .cse2 .cse5 .cse12) (or .cse0 .cse1 .cse13 .cse3 .cse12) (or .cse6 .cse10 .cse11 .cse12 .cse8) (or .cse4 .cse0 .cse13 .cse5 .cse12) (or .cse1 .cse10 .cse3 .cse9)))) [2023-04-03 01:12:05,480 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 140 147) the Hoare annotation is: true [2023-04-03 01:12:05,480 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 144) no Hoare annotation was computed. [2023-04-03 01:12:05,480 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 140 147) no Hoare annotation was computed. [2023-04-03 01:12:05,480 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 123 129) the Hoare annotation is: true [2023-04-03 01:12:05,480 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 123 129) no Hoare annotation was computed. [2023-04-03 01:12:05,480 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__1EXIT(lines 54 61) no Hoare annotation was computed. [2023-04-03 01:12:05,480 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 54 61) the Hoare annotation is: (or (not (= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0)) (< 1 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0)) (= ~switchedOnBeforeTS~0 0)) [2023-04-03 01:12:05,480 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__2EXIT(lines 62 71) no Hoare annotation was computed. [2023-04-03 01:12:05,480 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 62 71) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse3 (<= 1 ~switchedOnBeforeTS~0)) (.cse2 (< 1 ~waterLevel~0)) (.cse4 (not (= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|))) (.cse5 (< 2 ~waterLevel~0)) (.cse6 (= ~switchedOnBeforeTS~0 1)) (.cse7 (not (= ~pumpRunning~0 1))) (.cse8 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 (= ~switchedOnBeforeTS~0 0)) (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse3) (or .cse4 .cse2 .cse6 .cse7 .cse8) (or .cse4 .cse5 (not (= ~methaneLevelCritical~0 0)) .cse6 .cse7 .cse8))) [2023-04-03 01:12:05,480 INFO L899 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2023-04-03 01:12:05,481 INFO L895 garLoopResultBuilder]: At program point L87(line 87) the Hoare annotation is: (let ((.cse3 (not (= ~pumpRunning~0 0))) (.cse5 (< 1 ~waterLevel~0)) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= ~pumpRunning~0 1))) (.cse4 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse2 (= 0 ~systemActive~0))) (and (or (< 2 ~waterLevel~0) .cse0 .cse1 (< ~waterLevel~0 2) .cse2) (or .cse3 (not (= 2 ~waterLevel~0)) .cse4) (or .cse3 .cse5 (< ~switchedOnBeforeTS~0 1) .cse2) (or .cse3 .cse5 .cse4) (or .cse5 .cse0 .cse1 .cse4 .cse2))) [2023-04-03 01:12:05,481 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2023-04-03 01:12:05,481 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 94) no Hoare annotation was computed. [2023-04-03 01:12:05,481 INFO L895 garLoopResultBuilder]: At program point L82(line 82) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= ~pumpRunning~0 1))) (.cse6 (< 2 ~waterLevel~0)) (.cse4 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse7 (not (= ~pumpRunning~0 0))) (.cse0 (< 1 ~waterLevel~0)) (.cse3 (= __utac_acc__Specification5_spec__3_~tmp~0 ~waterLevel~0)) (.cse5 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse1 .cse2 (< ~waterLevel~0 2) .cse5) (or .cse6 .cse7 (and (<= ~waterLevel~0 1) .cse3) .cse4) (or .cse7 .cse0 (< ~switchedOnBeforeTS~0 1) .cse3 .cse5))) [2023-04-03 01:12:05,481 INFO L899 garLoopResultBuilder]: For program point L82-1(line 82) no Hoare annotation was computed. [2023-04-03 01:12:05,481 INFO L899 garLoopResultBuilder]: For program point L80(lines 80 97) no Hoare annotation was computed. [2023-04-03 01:12:05,481 INFO L899 garLoopResultBuilder]: For program point L80-1(lines 72 100) no Hoare annotation was computed. [2023-04-03 01:12:05,481 INFO L902 garLoopResultBuilder]: At program point L78(line 78) the Hoare annotation is: true [2023-04-03 01:12:05,481 INFO L899 garLoopResultBuilder]: For program point L78-1(line 78) no Hoare annotation was computed. [2023-04-03 01:12:05,481 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__3EXIT(lines 72 100) no Hoare annotation was computed. [2023-04-03 01:12:05,481 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 72 100) the Hoare annotation is: true [2023-04-03 01:12:05,481 INFO L895 garLoopResultBuilder]: At program point L409(line 409) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 1 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0)) (not (= |old(~pumpRunning~0)| 1)) .cse0 .cse1) (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 .cse1))) [2023-04-03 01:12:05,481 INFO L899 garLoopResultBuilder]: For program point L409-1(lines 390 414) no Hoare annotation was computed. [2023-04-03 01:12:05,481 INFO L895 garLoopResultBuilder]: At program point L404(line 404) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 1 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0)) (not (= |old(~pumpRunning~0)| 1)) .cse0 .cse1 (= ~pumpRunning~0 1)) (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2023-04-03 01:12:05,481 INFO L895 garLoopResultBuilder]: At program point L400(line 400) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 1 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0)) (not (= |old(~pumpRunning~0)| 1)) .cse0 .cse1 (= ~pumpRunning~0 1)) (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2023-04-03 01:12:05,481 INFO L899 garLoopResultBuilder]: For program point L398(lines 398 406) no Hoare annotation was computed. [2023-04-03 01:12:05,482 INFO L895 garLoopResultBuilder]: At program point L396(line 396) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 1 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0)) (not (= |old(~pumpRunning~0)| 1)) .cse0 .cse1 (= ~pumpRunning~0 1)) (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2023-04-03 01:12:05,482 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 390 414) no Hoare annotation was computed. [2023-04-03 01:12:05,482 INFO L899 garLoopResultBuilder]: For program point L396-1(line 396) no Hoare annotation was computed. [2023-04-03 01:12:05,482 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 411) no Hoare annotation was computed. [2023-04-03 01:12:05,482 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 390 414) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 1 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0)) (not (= |old(~pumpRunning~0)| 1)) .cse0 .cse1 (= ~pumpRunning~0 1)) (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 .cse1))) [2023-04-03 01:12:05,482 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 485 493) no Hoare annotation was computed. [2023-04-03 01:12:05,482 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 485 493) the Hoare annotation is: true [2023-04-03 01:12:05,482 INFO L899 garLoopResultBuilder]: For program point L524(line 524) no Hoare annotation was computed. [2023-04-03 01:12:05,482 INFO L899 garLoopResultBuilder]: For program point L524-1(line 524) no Hoare annotation was computed. [2023-04-03 01:12:05,482 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 494 529) no Hoare annotation was computed. [2023-04-03 01:12:05,482 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 494 529) no Hoare annotation was computed. [2023-04-03 01:12:05,482 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 693 738) no Hoare annotation was computed. [2023-04-03 01:12:05,483 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 693 738) no Hoare annotation was computed. [2023-04-03 01:12:05,483 INFO L895 garLoopResultBuilder]: At program point L289(line 289) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:12:05,483 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 284 294) no Hoare annotation was computed. [2023-04-03 01:12:05,483 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 284 294) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0))) [2023-04-03 01:12:05,483 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 284 294) no Hoare annotation was computed. [2023-04-03 01:12:05,483 INFO L902 garLoopResultBuilder]: At program point L479(line 479) the Hoare annotation is: true [2023-04-03 01:12:05,484 INFO L899 garLoopResultBuilder]: For program point L479-1(line 479) no Hoare annotation was computed. [2023-04-03 01:12:05,484 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 474 484) no Hoare annotation was computed. [2023-04-03 01:12:05,484 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 474 484) the Hoare annotation is: true [2023-04-03 01:12:05,484 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 466 473) no Hoare annotation was computed. [2023-04-03 01:12:05,484 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 466 473) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 1))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 1))) (and (or (< 2 ~waterLevel~0) .cse0 (< ~waterLevel~0 2) .cse1 .cse2) (or (< 1 ~waterLevel~0) .cse0 .cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) .cse2))) [2023-04-03 01:12:05,484 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 960 1005) no Hoare annotation was computed. [2023-04-03 01:12:05,484 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 960 1005) no Hoare annotation was computed. [2023-04-03 01:12:05,484 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 106 115) no Hoare annotation was computed. [2023-04-03 01:12:05,484 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 106 115) no Hoare annotation was computed. [2023-04-03 01:12:05,484 INFO L899 garLoopResultBuilder]: For program point L927(lines 905 928) no Hoare annotation was computed. [2023-04-03 01:12:05,484 INFO L899 garLoopResultBuilder]: For program point L886(lines 886 902) no Hoare annotation was computed. [2023-04-03 01:12:05,484 INFO L899 garLoopResultBuilder]: For program point L907(lines 906 926) no Hoare annotation was computed. [2023-04-03 01:12:05,484 INFO L899 garLoopResultBuilder]: For program point L938(line 938) no Hoare annotation was computed. [2023-04-03 01:12:05,485 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 857 959) no Hoare annotation was computed. [2023-04-03 01:12:05,485 INFO L899 garLoopResultBuilder]: For program point L938-1(line 938) no Hoare annotation was computed. [2023-04-03 01:12:05,485 INFO L899 garLoopResultBuilder]: For program point L903(lines 903 944) no Hoare annotation was computed. [2023-04-03 01:12:05,485 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 857 959) no Hoare annotation was computed. [2023-04-03 01:12:05,485 INFO L899 garLoopResultBuilder]: For program point L922(line 922) no Hoare annotation was computed. [2023-04-03 01:12:05,485 INFO L899 garLoopResultBuilder]: For program point L922-1(line 922) no Hoare annotation was computed. [2023-04-03 01:12:05,485 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 857 959) no Hoare annotation was computed. [2023-04-03 01:12:05,485 INFO L899 garLoopResultBuilder]: For program point L881(lines 881 885) no Hoare annotation was computed. [2023-04-03 01:12:05,485 INFO L899 garLoopResultBuilder]: For program point L906-2(lines 906 926) no Hoare annotation was computed. [2023-04-03 01:12:05,485 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (= |old(~waterLevel~0)| ~waterLevel~0) [2023-04-03 01:12:05,485 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:12:05,485 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 610 621) the Hoare annotation is: (let ((.cse3 (= |old(~methaneLevelCritical~0)| 0)) (.cse7 (= ~methaneLevelCritical~0 0))) (let ((.cse2 (not (= 1 ~systemActive~0))) (.cse4 (<= ~waterLevel~0 1)) (.cse0 (< 2 ~waterLevel~0)) (.cse10 (not (= ~pumpRunning~0 1))) (.cse13 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse5 (not .cse7)) (.cse9 (not (= 2 ~waterLevel~0))) (.cse6 (not .cse3)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse8 (< 1 ~waterLevel~0)) (.cse12 (< ~switchedOnBeforeTS~0 1)) (.cse11 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse1 (< ~waterLevel~0 1) .cse7 .cse2 .cse8) (or .cse0 .cse6 .cse1 .cse7 .cse2 .cse4) (or .cse6 .cse7 .cse9 .cse10 .cse11) (or .cse1 .cse3 .cse8 .cse12 .cse5 .cse11) (or .cse1 .cse3 .cse8 .cse5 .cse13) (or .cse6 .cse1 .cse7 .cse8 .cse13) (or .cse0 .cse6 .cse7 .cse10 .cse13 .cse11) (or .cse1 .cse9 .cse3 .cse5 .cse13) (or .cse6 .cse1 .cse7 .cse9 .cse13) (or .cse1 .cse9 .cse3 .cse12 .cse5 .cse11) (or .cse6 .cse1 .cse7 .cse9 .cse12 .cse11) (or .cse6 .cse1 .cse7 .cse8 .cse12 .cse11)))) [2023-04-03 01:12:05,485 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 610 621) no Hoare annotation was computed. [2023-04-03 01:12:05,485 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:12:05,485 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-03 01:12:05,485 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 277 283) no Hoare annotation was computed. [2023-04-03 01:12:05,485 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 277 283) the Hoare annotation is: true [2023-04-03 01:12:05,485 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:12:05,485 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0)) [2023-04-03 01:12:05,486 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-03 01:12:05,486 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-03 01:12:05,488 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:12:05,490 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-03 01:12:05,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.04 01:12:05 BoogieIcfgContainer [2023-04-03 01:12:05,509 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-03 01:12:05,509 INFO L158 Benchmark]: Toolchain (without parser) took 79034.48ms. Allocated memory was 312.5MB in the beginning and 1.1GB in the end (delta: 739.2MB). Free memory was 274.4MB in the beginning and 716.7MB in the end (delta: -442.3MB). Peak memory consumption was 659.9MB. Max. memory is 8.0GB. [2023-04-03 01:12:05,510 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 189.8MB. Free memory was 136.6MB in the beginning and 136.5MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 8.0GB. [2023-04-03 01:12:05,510 INFO L158 Benchmark]: CACSL2BoogieTranslator took 413.20ms. Allocated memory is still 312.5MB. Free memory was 274.4MB in the beginning and 255.1MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-04-03 01:12:05,510 INFO L158 Benchmark]: Boogie Preprocessor took 91.92ms. Allocated memory is still 312.5MB. Free memory was 255.1MB in the beginning and 251.4MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-04-03 01:12:05,510 INFO L158 Benchmark]: RCFGBuilder took 969.71ms. Allocated memory is still 312.5MB. Free memory was 251.4MB in the beginning and 187.5MB in the end (delta: 64.0MB). Peak memory consumption was 64.0MB. Max. memory is 8.0GB. [2023-04-03 01:12:05,511 INFO L158 Benchmark]: TraceAbstraction took 77555.31ms. Allocated memory was 312.5MB in the beginning and 1.1GB in the end (delta: 739.2MB). Free memory was 186.4MB in the beginning and 716.7MB in the end (delta: -530.2MB). Peak memory consumption was 571.8MB. Max. memory is 8.0GB. [2023-04-03 01:12:05,512 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 189.8MB. Free memory was 136.6MB in the beginning and 136.5MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 413.20ms. Allocated memory is still 312.5MB. Free memory was 274.4MB in the beginning and 255.1MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 91.92ms. Allocated memory is still 312.5MB. Free memory was 255.1MB in the beginning and 251.4MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 969.71ms. Allocated memory is still 312.5MB. Free memory was 251.4MB in the beginning and 187.5MB in the end (delta: 64.0MB). Peak memory consumption was 64.0MB. Max. memory is 8.0GB. * TraceAbstraction took 77555.31ms. Allocated memory was 312.5MB in the beginning and 1.1GB in the end (delta: 739.2MB). Free memory was 186.4MB in the beginning and 716.7MB in the end (delta: -530.2MB). Peak memory consumption was 571.8MB. 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: 144]: 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 46 procedures, 216 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 77.5s, OverallIterations: 9, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 19.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2719 SdHoareTripleChecker+Valid, 5.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2655 mSDsluCounter, 10179 SdHoareTripleChecker+Invalid, 4.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8607 mSDsCounter, 1425 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10830 IncrementalHoareTripleChecker+Invalid, 12255 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1425 mSolverCounterUnsat, 1572 mSDtfsCounter, 10830 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2057 GetRequests, 1564 SyntacticMatches, 72 SemanticMatches, 421 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21770 ImplicationChecksByTransitivity, 26.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5342occurred in iteration=8, InterpolantAutomatonStates: 175, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 1397 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 75 LocationsWithAnnotation, 7256 PreInvPairs, 8037 NumberOfFragments, 3796 HoareAnnotationTreeSize, 7256 FomulaSimplifications, 67448 FormulaSimplificationTreeSizeReduction, 4.1s HoareSimplificationTime, 75 FomulaSimplificationsInter, 125474 FormulaSimplificationTreeSizeReductionInter, 15.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 6.0s InterpolantComputationTime, 1621 NumberOfCodeBlocks, 1621 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2208 ConstructedInterpolants, 0 QuantifiedInterpolants, 3869 SizeOfPredicates, 19 NumberOfNonLiveVariables, 2079 ConjunctsInSsa, 77 ConjunctsInUnsatCore, 15 InterpolantComputations, 6 PerfectInterpolantSequences, 927/1038 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: 163]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(\old(methaneLevelCritical) == 0)) || !(\old(waterLevel) == 1)) || !(\old(systemActive) == 1) - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: (((((((((((!(\old(pumpRunning) == 0) || !(\old(methaneLevelCritical) == 0)) || !(\old(waterLevel) == 1)) || (((((splverifierCounter == 0 && methaneLevelCritical == 0) && switchedOnBeforeTS == 1) && (\old(waterLevel) <= 0 || waterLevel + 1 <= \old(waterLevel))) && !(0 == systemActive)) && pumpRunning == 1)) || ((((pumpRunning == 0 && splverifierCounter == 0) && (\old(waterLevel) <= 0 || waterLevel + 1 <= \old(waterLevel))) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || ((((pumpRunning == 0 && 2 == waterLevel) && splverifierCounter == 0) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || ((((pumpRunning == 0 && splverifierCounter == 0) && waterLevel == 1) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || !(\old(systemActive) == 1)) || (((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 1) && switchedOnBeforeTS == 0)) || (((((splverifierCounter == 0 && methaneLevelCritical == 0) && switchedOnBeforeTS == 1) && waterLevel == 1) && !(0 == systemActive)) && pumpRunning == 1)) || ((((2 == waterLevel && splverifierCounter == 0) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 1)) || (((pumpRunning == 0 && 2 == waterLevel) && splverifierCounter == 0) && switchedOnBeforeTS == 0)) || ((((pumpRunning == 0 && splverifierCounter == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-04-03 01:12:05,536 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...